@inproceedings{4739, author = {{Jasperneite, Jürgen and Feld, Joachim}}, booktitle = {{10th IEEE Internnational Conference on Emerging Technologies and Factoy Automation (ETFA2005)}}, title = {{{PROFINET: An Integration Platform for heterogeneous Industrial Communication Systems}}}, year = {{2005}}, } @inproceedings{4740, author = {{Jasperneite, Jürgen}}, booktitle = {{16th IFAC World Congress}}, title = {{{Fieldbus Integration to the Realtime Ethernet Standard PROFINET}}}, year = {{2005}}, } @article{4741, author = {{Jasperneite, Jürgen and Lessmann, Gunnar}}, journal = {{ComputerAutomation}}, pages = {{S. 44--47}}, title = {{{Integrationsplattform PROFINET}}}, volume = {{6}}, year = {{2005}}, } @inproceedings{4742, author = {{Jasperneite, Jürgen}}, location = {{Frankfurt/Main}}, title = {{{Mit IT-Sicherheit zur kontrollierten Offenheit}}}, year = {{2005}}, } @inbook{4743, author = {{Jasperneite, Jürgen}}, booktitle = {{The Industrial Communication Technology Handbook, ISBN 0-8493-3077-7}}, editor = {{Zurawksi (Ed.), R.}}, pages = {{10--20}}, publisher = {{CRC-Press}}, title = {{{INTERBUS means Speed - Connectivity - Safety}}}, year = {{2005}}, } @article{4744, author = {{Jasperneite, Jürgen}}, journal = {{atp - Automatisierungstechnische Praxis}}, title = {{{Echtzeit-Ethernet im Überblick -}}}, volume = {{3}}, year = {{2005}}, } @inproceedings{4818, abstract = {{In this paper we present a system that provides personalized privacy support for large public displays based on the current social situation and individual privacy profiles. We first present the results of a user study that was conducted to derive the requirements for the design of the system. In the second part of the paper, we describe the developed system consisting of a program for privacy-enhancing information management and a small personal artefact for an easy adaptation of the privacy settings to the local context. }}, author = {{Röcker, Carsten}}, booktitle = {{Privacy, Security, Trust 2005 : proceedings of Third Annual Conference on Privacy, Security and Trust}}, editor = {{Ghorbani, Ali A. and Marsh, Stephen }}, keywords = {{Large Public Displays, Active User Support, Privacy Enhancing information Managemen}}, location = {{St. Andrews, New Brunswick, Canada}}, pages = {{217--220}}, publisher = {{Privacy, Security and Trust}}, title = {{{Providing Personalized Privacy Support in Public Places}}}, year = {{2005}}, } @inproceedings{4819, abstract = {{This paper presents the results of an empirical cross-cultural study conducted at six different sites in five European countries in the context of the EU IST-IP project AMIGO, Ambient Intelligence for the Networked Home Environment [1]. The study employed a scenario-driven approach and used quantitative and qualitative methods to elicit feedback from the target user population on concepts for intelligent home environments. The results are clustered and transformed in prioritized design guidelines.}}, author = {{Röcker, Carsten and Janse, Maddy D. and Portolan, Nathalie and Streitz, Norbert}}, booktitle = {{sOc-EUSAI '05: Proceedings of the 2005 joint conference on Smart objects and ambient intelligence: innovative context-aware services: usages and technologies}}, isbn = {{978-1-59593-304-1}}, keywords = {{Human-centered computing, Human computer interaction (HCI)}}, location = {{Grenoble, France}}, pages = {{111--116}}, publisher = {{ACM}}, title = {{{User Requirements for Intelligent Home Environments: A Scenario-Driven Approach and Empirical Cross-Cultural Study}}}, doi = {{10.1145/1107548.1107581}}, volume = {{121}}, year = {{2005}}, } @inproceedings{4820, abstract = {{Wir berichten in diesem Beitrag über die Entwicklung von „smarten“ Arbeitsumgebungen, die soziale Prozesse der informellen Kommunikation, der Awareness und der Koordination von Teamarbeit in verteilten Umgebungen unterstützen. Der Realisierungsansatz wurde so gewählt, dass die Implementation mit den speziellen Charakteristika und Qualitäten der zu unterstützenden Prozesse kompatibel ist und eine „Calm Technology“ im Sinne von Mark Weiser darstellt. Die Realisierung erfolgte im Rahmen des Ambient-Agoras Projektes. Es handelt sich um eine verteilte Umgebung mit einer Kombination von Ambient Displays und mobilen Geräten, die anschließend in einem „Living Lab“ Experiment demonstriert und evaluiert wurde.}}, author = {{Streitz, Norbert and Prante, Thorsten and Röcker, Carsten and van Alphen, Daniel and Stenzel, Richard and Magerkurth, Carsten}}, booktitle = {{Mensch & Computer 2005 : Kunst und Wissenschaft - Grenzüberschreitung der interaktiven ART }}, editor = {{Stary, Christian}}, isbn = {{3-486-57805-7}}, keywords = {{Ambient Display, Smarte Arbeitsumgebung}}, location = {{Linz, Austria}}, pages = {{111--120}}, publisher = {{Oldenbourg}}, title = {{{Smarte Arbeitsumgebungen zur Unterstützung verteilter sozialer Prozesse}}}, year = {{2005}}, } @inproceedings{4821, abstract = {{In the last decade, a variety of systems that use !arge public displays to mediate awareness between members of distributed teams have been designed and evaluated. But due the diversity of applications and different evaluation methods the derived design recommendations are mostly inconsistent or even contradicting. The goal of this paper is to give a general recommendation regarding the type of information representation for group awareness systems independent from specific devices or applications. In this paper, we will describe an experimental study comparing an abstract and a concrete form of information representation regarding two factors: their suitability to provide awareness information and their disruptive effects on other activities. }}, author = {{Röcker, Carsten and Memisoglu, Maral and Streitz, Norbert}}, booktitle = {{Proceedings of the 11th International Conference on Human-Computer Interaction (HCI International 2005), Volume 3 - Human-Computer Interfaces: Concepts, New Ideas, Better Usability, and Applications}}, editor = {{Salvendy, Gavriel}}, isbn = {{0-8058-5807-5}}, location = {{Las Vegas, Nevada, USA}}, publisher = {{Erlbaum }}, title = {{{How to Present Awareness Information on Large Public Displays?}}}, year = {{2005}}, } @misc{4822, author = {{Streitz, Norbert and Magerkurth, Carsten and Prante, Thorsten and Röcker, Carsten}}, booktitle = {{Interactions : IX / Association of Computing Machinery }}, issn = {{1558-3449}}, keywords = {{Applied computing, Computers in other domains, Human-centered computing}}, number = {{4}}, pages = {{ 21 – 25}}, publisher = {{ACM Press}}, title = {{{From Information Design to Experience Design: Smart Artefacts and the Disappearing Computer}}}, doi = {{10.1145/1070960.1070979}}, volume = {{12}}, year = {{2005}}, } @inproceedings{4823, abstract = {{The purpose of this paper is to explore alternative approaches and strategies for email filtering and notification with the rationale of developing an unobtrusive notification interface that can adapt to the user's context.}}, author = {{Röcker, Carsten and Bayon, Victor and Memisoglu, Maral and Streitz, Norbert}}, booktitle = {{ Proceedings of the 2005 International Conference on Active Media Technology}}, editor = {{Tarumi, H. and Li, Y. and Yoshida, T.}}, isbn = {{0-7803-9035-0}}, keywords = {{Displays, Calendars, Resumes, Filtering, Electronic mail, Personal digital assistants, Filters, Books, Data mining}}, location = {{Takamatsu, Kagawa, Japan}}, pages = {{137--138}}, publisher = {{IEEE}}, title = {{{Context-Dependent Email Notification Using Ambient Displays and Mobile Devices}}}, doi = {{10.1109/AMT.2005.1505288}}, year = {{2005}}, } @article{4824, abstract = {{The integration of information, communication, and sensing technologies into our everyday objects has created smart environments. Creating the smart artifacts that constitute these environments requires augmenting their standard functionality to support a new quality of interaction and behavior.A system-oriented, importunate smartness approach creates an environment that gives individual smart artifacts or the environment itself certain self-directed actions based on previously collected information. For example, a space can be smart by having and exploiting knowledge about the persons and artifacts currently situated within its borders.In contrast, a people-oriented, empowering smartness approach places the empowering function in the foreground by assuming that smart spaces make people smarter. This approach empowers users to make decisions and take actions as mature and responsible people.Although in some cases it might be more efficient if the system doesnýt ask for a userýs feedback and confirmation at every step in an action chain, the overall design rationale should aim to keep the user in the loop and in control whenever possible.}}, author = {{Streitz, Norbert and Röcker, Carsten and Prante, Thorsten and van Alphen, Daniel and Stenzel, Richard and Magerkurth, Carsten}}, issn = {{1558-0814 }}, journal = {{Computer : innovative technology for computer professionals }}, keywords = {{Personal digital assistants, Refrigeration, Portable computers, Control systems, Roads, Availability, Cellular phones, Communications technology, Humans, Smart homes}}, number = {{3}}, pages = {{41 – 49}}, publisher = {{IEEE}}, title = {{{Designing Smart Artifacts for Smart Environments}}}, doi = {{10.1109/MC.2005.92}}, volume = {{38}}, year = {{2005}}, } @article{4825, abstract = {{A set of designer guidelines from the European Union offers the first step in building privacy-aware systems.}}, author = {{Lahlou, Saadi and Langheinrich, Marc and Röcker, Carsten}}, issn = {{1557-7317}}, journal = {{Communications of the ACM}}, keywords = {{Communication hardware, interfaces and storage, Computing / technology policy}}, number = {{3}}, pages = {{59 – 60}}, publisher = {{ACM}}, title = {{{Privacy and Trust Issues with Invisible Computers}}}, doi = {{10.1145/1047671.1047705}}, volume = {{48}}, year = {{2005}}, } @proceedings{5170, editor = {{Pottgiesser, Uta and Knaack, Ulrich and Bilow, Marcel}}, publisher = {{Hochschule Ostwestfalen-Lippe}}, title = {{{Fassade2005 : Material, Konstruktion, Energie: Tagungsband}}}, year = {{2005}}, } @article{5171, author = {{Knaack, Ulrich and Pottgiesser, Uta and Bilow, Marcel}}, journal = {{DBZ : Deutsche Bauzeitschrift}}, title = {{{Technologietransfer in Richtung Architektur}}}, year = {{2005}}, } @misc{10150, author = {{Witte, Stefan and Schnückel, Markus }}, booktitle = {{Elektronik : Organ der GMM}}, number = {{1}}, pages = {{38--44}}, publisher = {{WEKA Fachmedien GmbH}}, title = {{{Keine neuen Drähte-Drahtlose Kommunikation von Automatisierungskomponenten}}}, year = {{2005}}, } @misc{10151, author = {{Witte, Stefan and Pape, S.}}, booktitle = {{Elektronik : Organ der GMM}}, issn = {{0013-5658 }}, number = {{7}}, pages = {{56--60}}, publisher = {{WEKA Fachmedien GmbH}}, title = {{{Bluetooth-Kommunikation unter JAVA- Ein System zur Konfiguration funkbasierter Automatisierungssysteme}}}, year = {{2005}}, } @book{5495, author = {{Fehlhaber, K. and Kleer, N. and Kley, F.}}, publisher = {{Behrs-Verlag}}, title = {{{Haltbarmachungsverfahren - physikalische Verfahren}}}, volume = {{Kap. V2}}, year = {{2005}}, } @inproceedings{2055, abstract = {{Nonlinear spatial transforms and fuzzy pattern classification with unimodal potential functions are already established in signal processing. They have proved to be excellent tools in feature extraction and classification. We propose an inspection method for pattern recognition and classification of two dimensional translation variant security elements such as stripes, kinegrams and others, which are widely used as applications in bank note printing. The system is based on discrete non linear translation invariant circular transforms and fuzzy pattern classification. Nonlinear discrete circular transforms are adaptable transforms, which can be optimized for different application tasks, such as translation variant object analysis and position location. They are mainly used as generators for feature vectors. Even though, the feature vector is theoretically translation invariant, the object movement creates a translation tolerant feature vector, because in real systems and applications many problems can occur, such as signal and optical distortions. Therefore, the features should be further analysed by a fuzzy pattern classifier. Implementation of the transforms and fuzzy pattern classifier in radix-2-structures is possible, allowing fast calculations with a computational complexity of O(N) up to O(Nld(N)). Furthermore, the algorithms can be implemented in one Field Programmable Gate Array (FPGA), which operates with 40 MHz clock rate.}}, author = {{Türke, Thomas and Lohweg, Volker}}, booktitle = {{IST/SPIE 16th Annual Symposium on Electronic Imaging - Real-Time Imaging VIII - Vol 5297}}, editor = {{Nasser Kehtarnavaz, Phillip A. Laplante}}, pages = {{204--211}}, publisher = {{SPIE}}, title = {{{Real-time image-processing-system-on-chip for security feature detection and classification}}}, doi = {{dx.doi.org/10.1117/12.527452}}, year = {{2004}}, } @article{2056, abstract = {{Nonlinear spatial transforms and fuzzy pattern classification with unimodal potential functions are established in signal processing. They have proved to be excellent tools in feature extraction and classification. In this paper, we will present a hardware-accelerated image processing and classification system which is implemented on one field-programmable gate array (FPGA). Nonlinear discrete circular transforms generate a feature vector. The features are analyzed by a fuzzy classifier. This principle can be used for feature extraction, pattern recognition, and classification tasks. Implementation in radix-2 structures is possible, allowing fast calculations with a computational complexity of up to. Furthermore, the pattern separability properties of these transforms are better than those achieved with the well-known method based on the power spectrum of the Fourier Transform, or on several other transforms. Using different signal flow structures, the transforms can be adapted to different image and signal processing applications.}}, author = {{Lohweg, Volker and Diederichs, Carsten and Müller, Dietmar}}, issn = {{1110-8657 }}, journal = {{EURASIP journal on applied signal processing : a publication of the European Association for Speech, Signal, and Image Processing }}, keywords = {{image processing, nonlinear circular transforms, feature extraction, fuzzy pattern recognition}}, number = {{1}}, pages = {{1912--1920}}, publisher = {{Hindawi Publ.}}, title = {{{Algorithms for Hardware-Based Pattern Recognition}}}, doi = {{https://doi.org/10.1155/S1110865704404247}}, volume = {{12}}, year = {{2004}}, } @inproceedings{4061, abstract = {{Varios desings of piezoelectric transformers are know, but due to the limitation of a finite miechanical structure only standing wave excitation in used up to now. This paper outlines a novel concept based on a travelling wave instead of standing wave exicitation, which allows a theoretical increase of power density by a factor √2. Theo theoretical basics as well as prototype of a travelling wave type piezoelectric transformer are presented.}}, author = {{Schulte, Thomas and Kauczor, Christopher and Grotstollen, Horst}}, booktitle = {{ACTUATOR 2004}}, location = {{Bremen}}, pages = {{395 -- 398}}, title = {{{Piezoelectric Transformer of Travelling Wave Type.}}}, year = {{2004}}, } @book{4063, abstract = {{Der Ultraschall-Wanderwellenmotor ist ein typischer Vertreter der Piezomotoren. Wanderwellenmotoren erzeugen relativ hohe Drehmomente bei niedrigen Drehzahlen, weshalb sie vor allem als getriebelose Direktantriebe interessant sind. Es existieren jedoch eine Reihe von prinzipbedingten Nachteilen, zu denen neben technologischen Aspekten insbesondere das nichtlineare und zeitvariante Systemverhalten und die relativ aufwendige Speisung mit Wechselspannung im Ultraschallbereich zählen. In dieser Arbeit werden Stromrichter und Antriebsregelungen für Wanderwellenmotoren entwickelt bzw. weiterentwickelt und bezüglich Leistungsfähigkeit und Aufwand gegenübergestellt. Die Untersuchungen erfolgten unter besonderer Berücksichtigung der konzeptionellen Wechselwirkung zwischen Stromrichter und Regelung sowie anwendungsseitigen Anforderungen. Bei den Stromrichtern wird in erster Linie das übertragungsverhalten betrachtet, welches maßgeblich durch die Auslegung der Ausgangsfilter beeinflußt wird. Für die Leistungsfähigkeit der Antriebsregelung ist die Struktur der Regelkreise einschließlich der Meß- und Regelgrößenauswahl von entscheidender Bedeutung. Die wesentlichen Eigenschaften unterschiedlicher Konzepte werden vorgestellt und bewertet. Die Arbeit bietet einen überblick über geeignete Stromrichter- und Regelungskonzepte für Wanderwellenmotoren und kann potentiellen Anwendern als Grundlage für die Realisierung von Antrieben mit Wanderwellenmotor dienen. Aufgrund ähnlicher Wirkungsprinzipien lassen sich häufig an diesen Motoren gefundene Ergebnisse auch auf andere Typen von Piezomotoren sowie resonant-betriebene Piezoaktoren übertragen.}}, author = {{Schulte, Thomas}}, isbn = {{3-18-336321-6}}, pages = {{186}}, publisher = {{Beck}}, title = {{{Stromrichter- und Regelungskonzepte für Ultraschall- Wanderwellenmotoren}}}, volume = {{363}}, year = {{2004}}, } @inproceedings{4413, author = {{Jasperneite, Jürgen and Neumann, Peter}}, location = {{Salvador-Bahia, Brazil}}, title = {{{How to guarantee realtime behavior using Ehernet}}}, year = {{2004}}, } @inbook{4414, author = {{Jasperneite, Jürgen and Theis, Michael and Watson, Kym}}, booktitle = {{A&D Kompendium Automation and Drives}}, publisher = {{publish-industry verlag }}, title = {{{Echtzeitkommunikation mit Switched Ethernet}}}, year = {{2004}}, } @inproceedings{4415, author = {{Jasperneite, Jürgen and Weczerek, Jürgen}}, location = {{Düsseldorf}}, title = {{{Einsatz von Wireless-IO´s in der Automatisierungstechnik -Anforderungen und Realisierung}}}, year = {{2004}}, } @inproceedings{4416, author = {{Jasperneite, Jürgen}}, location = {{Frankfurt/Main}}, title = {{{Verfahren zur Echtzeitkommunikation mit Ethernet}}}, year = {{2004}}, } @inproceedings{4417, author = {{Jasperneite, Jürgen and Shehab, K. and Weber, Karl}}, location = {{Vienna, Austria}}, title = {{{Enhancements to the Time Synchronization Standard IEEE-1588 for a System of Cascaded Bridges}}}, year = {{2004}}, } @inproceedings{4418, author = {{Jasperneite, Jürgen and Elsayed, Ehab}}, location = {{Catania, Sicily, Italy }}, title = {{{Investigations on a Distributed Time-triggered Ethernet Realtime Protocol used by PROFINET}}}, year = {{2004}}, } @inproceedings{4419, author = {{Jasperneite, Jürgen and Weber, Karl}}, location = {{Maryland, USA}}, title = {{{Bridging Networks with PTP}}}, year = {{2004}}, } @inproceedings{4420, author = {{Jasperneite, Jürgen}}, title = {{{Echtzeit-Ethernet im Vergleich}}}, year = {{2004}}, } @inproceedings{4826, abstract = {{In this paper we point out the current changes and future trends of organizational concepts and explain their influence on workplace awareness and communication. We then elaborate the changing requirements for awareness and informal communication in distributed teams. Finally, we present two artefacts that support informal awareness and community interaction and describe their evaluation in a living-lab situation.}}, author = {{Röcker, Carsten and Prante, Thorsten and Streitz, Norbert and van Alphen, Daniel}}, booktitle = {{Proceedings of the 16th Annual Conference of the Australian Computer-Human Interaction Special Interest Group (OZCHI’04)}}, location = {{Wollongong, Australia.}}, title = {{{Using Ambient Displays and Smart Artefacts to Support Community Interaction in Distributed Teams}}}, year = {{2004}}, } @inproceedings{4827, abstract = {{This video presents the Hello.Wall artefact in a mixedmedia set-up to support spontaneous, informal encounters in two remote lounge spaces of a distributed team. The Hello.Walls are used as awareness tools to know more about the remote team’s state and at the same time as a tool to smoothen transitions to place-based video communication among the remote teams ’ members. This connecting-remote-teams scenario was tested in a livinglab evaluation for several weeks and proved to foster remote informal encounters and thereby contributed to smooth and fluent project work in our Ambient-Agoras project. Keywords Ambient display, informative art, social architecture, awareness, cross-media integration, place-based video conferencing, distributed teams, interaction zones}}, author = {{Prante, Thorsten and Stenzel, Richard and Röcker, Carsten and van Alphen, Daniel and Streitz, Norbert and Magerkurth, Carsten and Plewe, D. A.}}, booktitle = {{Video Track and Adjunct Proceedings of the Sixth International Conference on Ubiquitous Computing (UBICOMP’04)}}, keywords = {{support remote informal encounter, remote team cross-media integration, informative art, informal encounter}}, location = {{Nottingham, England}}, pages = {{7--10}}, title = {{{Connecting Remote Teams: Cross-Media Integration to Support Remote Informal Encounters}}}, year = {{2004}}, } @inproceedings{4828, abstract = {{This demonstration reports results from the EU-funded project Ambient Agoras, investigating future applications of ubiquitous and ambient computing in workspaces. Instead of presenting underlying system technologies or evaluation findings, this demonstration will focus on three running prototypes that emerged from the project: InfoRiver, SIAM, and Hello.Wall. The systems are meant to support work-related processes in office buildings while at the same time fostering informal communication. The InfoRiver implements the information river metaphor for information flow through a building or an organization. SIAM is a task-management system enriched with collaboration support to foster group communication and awareness. Hello.Wall is a new ambient display that can "borrow" mobile artefacts. All prototypes are multi-user and multi-device systems enabling coherent and engaging interaction experiences with a variety of sensor-enhanced smart artefacts.}}, author = {{Prante, Thorsten and Stenzel, Richard and Röcker, Carsten and Streitz, Norbert and Magerkurth, Carsten}}, booktitle = {{HI EA '04: CHI '04 Extended Abstracts on Human Factors in Computing Systems}}, editor = {{Dykstra-Erickson, Elizabeth and Tscheligi, Manfred }}, isbn = {{978-1-58113-703-3}}, keywords = {{Hardware, Human-centered computing}}, location = {{Vienna, Austria}}, pages = {{763--764}}, publisher = {{ACM}}, title = {{{Ambient Agoras – InfoRiver, SIAM, Hello.Wall}}}, doi = {{10.1145/985921.985924}}, year = {{2004}}, } @book{5172, author = {{Pottgiesser, Uta}}, isbn = {{ 3-89932-036-0 }}, keywords = {{Doppelte Fassade, Glasbau}}, pages = {{208}}, publisher = {{Bauwerk }}, title = {{{Fassadenschichtungen - Glas. mehrschalige Glaskonstruktionen ; Typologie, Energie, Konstruktionen, Projektbeispiele ; mit Auswahlkriterien und Entscheidungshilfen }}}, year = {{2004}}, } @article{5174, author = {{Pottgiesser, Uta and Weller, Bernhard}}, journal = {{Wissenschaftliche Zeitschrift der Technischen Universität Dresden}}, title = {{{Gebäudeintegrierte Photovoltaik auf der Basis von Dünnschichttechnologie}}}, year = {{2004}}, } @article{5175, author = {{Pottgiesser, Uta and Weller, Bernhard and Tasche, Silke}}, journal = {{Detail : Zeitschrift für Architektur, Baudetail, Einrichtung}}, title = {{{Kleben im Bauwesen : Glasbau: Teil 1}}}, year = {{2004}}, } @article{5176, author = {{Pottgiesser, Uta and Weller, Bernhard and Tasche, Silke}}, journal = {{Detail : Zeitschrift für Architektur, Baudetail, Einrichtung}}, title = {{{Kleben im Bauwesen : Glasbau: Teil 2}}}, year = {{2004}}, } @misc{10181, author = {{Witte, Stefan and Stanimirov, M.}}, title = {{{Wireless in Automation}}}, year = {{2004}}, } @phdthesis{2053, abstract = {{In vielen Bereichen der ein- und zweidimensionalen Signalverarbeitung besteht die Aufgabe Signale oder Objekte unabhängig von ihren aktuellen Positionen mittels geeigneter Merkmale zu klassifizieren. Mit Hilfe schneller nichtlinearer Spektraltransformationen ist eine positionsinvariante Merkmalgewinnung möglich. In dieser Arbeit werden reelle Transformationen vorgestellt, deren Eigenschaften in Bezug auf verschiedene Parameter angepasst werden können. Zu nennen ist das gruppeninvariante Verhalten, der rechentechnische Aufwand und die Implementierbarkeit in applikationsspezifische Schaltungen. Durch unterschiedliche Berechnungsstrukturen kann beispielsweise die Separationseigenschaft aufgabengemäß adaptiert werden. Basierend auf dem Konzept charakteristischer Matrizen wird ein generalisiertes Verfahren zur Berechnung der Transformationen abgeleitet. Bezüglich ihrer Charakteristika können die vorzustellenden Transformationen gegenüber anderen als ebenbürtig oder sogar überlegen bezeichnet werden. In Kombination mit einem Fuzzy-Klassifikationsverfahren (Fuzzy-Pattern-Classification, FPC) wird ein System-On-Programmable-Chip Mustererkennungssystem entwickelt, das auf einem programmierbaren applikationsspezifischen Schaltkreis (FPGA) implementiert wird. Das System ist in der Lage pixel-basierende Bilder zu klassifizieren. In der Anwendung der Druckbildinspektion erweist sich das Mustererkennungssystem als praxisgerecht einsetzbar.}}, author = {{Lohweg, Volker}}, keywords = {{ASIC, Abbildungseigenschaft, Druckbildkontrolle, Prozessorelement, Systolisches Array, Fuzzy-Maß, Invarianz, Klassifikation, Mehrdimensionale Bildverarbeitung, Mustererkennung, Nichtlineare Transformation}}, pages = {{207}}, publisher = {{Technische Universität Chemnitz}}, title = {{{Ein Beitrag zur effektiven Implementierung adaptiver Spektraltransformationen in applikationsspezifische integrierte Schaltkreise}}}, year = {{2003}}, } @inproceedings{2054, author = {{Diederichs, Carsten and Lohweg, Volker}}, booktitle = {{IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing}}, editor = {{Sicuranza, Giovanni}}, publisher = {{EURASIP}}, title = {{{An Image-Processing-System-On-Chip Based on Nonlinear Generalized Circular Transforms and Fuzzy Pattern Classification}}}, year = {{2003}}, } @article{2121, author = {{Lohweg, Volker}}, journal = {{Technische Universität Chemnitz}}, publisher = {{Technische Universität Chemnitz}}, title = {{{Ein auf Zirkular-Transformationen und Fuzzy Pattern Classifier basierendes System-on-Chip Mustererkennungssystem - mit Beispielen aus der Druckindustrie}}}, year = {{2003}}, } @misc{4231, author = {{Borcherding, Holger}}, title = {{{Verfahren zur Temperaturüberwachung eines Elektromotors}}}, year = {{2003}}, } @article{4745, author = {{Jasperneite, Jürgen and Watson, Kym}}, journal = {{atp - Automatisierungstechnische Praxis }}, pages = {{33--36}}, title = {{{Bestimmung oberer Zeitschranken in Ethernet-Netzwerken}}}, volume = {{12}}, year = {{2003}}, } @article{4746, author = {{Jasperneite, Jürgen}}, journal = {{at - Automatisierungstechnik,}}, pages = {{97}}, title = {{{Leistungsbewertung eines lokalen Netzwerkes mit Class-of-Service Unterstützung für die prozessnahe Echtzeitkommunikation}}}, volume = {{51}}, year = {{2003}}, } @inproceedings{4747, author = {{Jasperneite, Jürgen}}, booktitle = {{ZVEI Technisches Forum "Ethernet in der Automation" (Vortrag)}}, title = {{{Echtzeit-Kommunikation mit Switched Ethernet in der industriellen Automation}}}, year = {{2003}}, } @inproceedings{4748, author = {{Jasperneite, Jürgen}}, booktitle = {{ZVEI/FGCA Workshop "Modularisierung im Maschinen- und Anlagenbau -der komponentenorientierte Profinet-Ansatz (Vortrag)}}, title = {{{Modularisierung im Maschinen- und Anlagenbau}}}, year = {{2003}}, } @inproceedings{4749, author = {{Watson, Kym and Jasperneite, Jürgen}}, booktitle = {{5th IFAC International Conference on Fieldbus Systems and their Applications (FeT´2003)}}, pages = {{255--260}}, title = {{{Determining End-to-End Delays using Network Calculus}}}, year = {{2003}}, } @inproceedings{4750, author = {{Jasperneite, Jürgen}}, booktitle = {{Vortrag High Technology Forum Hannover Messe}}, title = {{{Echtzeit-Kommunikation mit Switched Ethernet in der industriellen Automation}}}, year = {{2003}}, } @inbook{4829, abstract = {{In this paper, we address three major issues, look at their interaction and combination and present our results on how to arrive at solutions for these issues. The issues are: 1) supporting informal communication and atmosphere in organisations, 2) the role and potential of ambient displays in future work environments, and 3) the combination of mostly static artefacts that are integrated in the architectural environment with mobile devices carried by people. Our results can be considered as steps towards the design and realization of what we call “social architectural spaces” in the context of future work environments. These environments will be populated with a range of different smart artefacts that are designed to facilitate awareness and notification as well as informal communication. We address a range of spaces in office buildings including public spaces, e.g., in the hallway, the foyer, and the cafeteria that have not been the focus of research so far. In particular, we present two artefacts: the Hello.Wall, a wall-size large ambient display, and the ViewPort, a mobile handheld device. They are interacting with each other via wireless networks and different types of sensing technology. The artefacts and the software were developed in the EU-funded “Disappearing Computer”- project “Ambient Agoras: Dynamic Information Clouds in a Hybrid Worlds”.}}, author = {{Streitz, Norbert and Prante, Thorsten and Röcker, Carsten and van Alphen, Daniel and Magerkurth, Carsten and Stenzel, Richard and Plewe, D. A.}}, booktitle = {{Public and Situated Displays Social and Interactional Aspects of Shared Display Technologies}}, editor = {{O'Hara, K. and Perry, Mark and Churchill, E. and Russell, D.}}, isbn = {{978-90-481-6449-3 }}, keywords = {{ambient displays, mobile devices, informal communication, atmosphere, social architectural space, ubiquitous computing}}, pages = {{387 – 409}}, publisher = {{Springer }}, title = {{{Ambient Displays and Mobile Devices for the Creation of Social Architectural Spaces: Supporting Informal Communication and Social Awareness in Organizations}}}, doi = {{10.1007/978-94-017-2813-3_16}}, volume = {{2}}, year = {{2003}}, } @inproceedings{4830, abstract = {{We present a ubiquitous computing environment that consists of the Hello.Wall in combination with ViewPorts. Hello.Wall is a new wall-sized ambient display [4,2] that emits information via light patterns and is considered informative art. As an integral part of the physical environment, Hello.Wall constitutes a seeding element of a social architectural space conveying awareness information and atmospheres in organizations or at specific places. The display is context-dependent by reflecting identity and distance of people passing by. Hello.Wall can "borrow" other artefacts in order to communicate more detailed information. These mobile devices are called ViewPorts. People can also further interact with the Hello.Wall using ViewPorts via integrated WaveLAN and RFID technology.}}, author = {{Prante, Thorsten and Röcker, Carsten and Streitz, Norbert and Stenzel, Richard and Magerkurth, Carsten and van Alphen, Daniel and Plewe, D. A.}}, booktitle = {{Video Track and Adjunct Proceedings of the Fifth International Conference on Ubiquitous Computing (UBICOMP’03)}}, editor = {{Ljungstrand, P. and Brotherton, J.}}, keywords = {{Ambient display, informative art, social architectural space, context-dependent, sensor-based interaction, interactive wall, interaction design, mobile devices, smart artefacts, ubiquitous computing environment, calm technology}}, location = {{Seattle, Washington, USA,}}, pages = {{277--278}}, title = {{{Hello.Wall – Beyond Ambient Displays}}}, year = {{2003}}, } @inbook{4831, abstract = {{In this paper, we introduce our approach as well as examples of realizations for situated interaction in the context of future work environments. These environments will be populated with a range of smart artefacts. The artefacts and their mutual interaction are designed to facilitate awareness and notification as well as informal communication. They constitute examples of our approach to develop future work environments going not only beyond traditional PC-based work places but also beyond electronic meeting rooms and roomware components previously developed by us. We address a range of spaces in office buildings including semi-public spaces, e.g., in the hallway, the foyer, and the cafeteria. The approach is not restricted to office buildings but can be extended to other types of buildings and spaces. It is part of our vision that we call “Cooperative Buildings”. The artefacts and the software were developed in the EU-funded “Disappearing Computer”-project “Ambient Agoras: Dynamic Information Clouds in a Hybrid Worlds”. }}, author = {{Streitz, Norbert and Röcker, Carsten and Prante, Thorsten and Stenzel, Richard and van Alphen, Daniel}}, booktitle = {{Proceedings of HCI International 2003, 10th International Conference on Human-Computer Interaction : [held jointly with] Symposium on Human Interface (Japan) 2003, 5th International Conference on Engineering Psychology and Cognitive Ergonomics, 2nd International Conference on Universal Access in Human-Computer Interaction; 22 - 27 June 2003, Crete, Greece ; Vol. 3: Human-centred computing : cognitive, social and ergonomic aspects }}, editor = {{Harris, Don}}, isbn = {{0-8058-4932-7}}, location = {{Crete, Greece}}, pages = {{133----137}}, publisher = {{Lawrence Erlbaum}}, title = {{{Situated Interaction with Ambient Information: Facilitating Awareness and Communication in Ubiquitous Work Environments}}}, year = {{2003}}, } @book{5177, author = {{Menzel, Karsten and Pottgiesser, Uta}}, title = {{{Projektbasierte, teamorientierte Lehr-Lern-Strategien zum e-Learning im Bauwesen}}}, year = {{2003}}, } @inproceedings{2051, author = {{Lohweg, Volker and Müller, Dietmar}}, booktitle = {{Digital Image Computing Techniques and Applications }}, publisher = {{APRS}}, title = {{{A Complete Set of Translation Invariants Based on the Cyclic Correlation Property of the Generalized Circular Transforms}}}, year = {{2002}}, } @inproceedings{4064, abstract = {{For feeding piezoelectric ultrasonic motors different kinds of resonant converter concepts are well proven, but a common problem are their bulky and expensive resonant inductors. Therefore, power converters which do not require heavy inductors are of great interest. In this contrbution power converters with non-resonant output filters are investigated fpr reducing weight and volume ofe the magnetic components. The design of such a power converter for a travelling wave type ultrasonic type motor is presented. Implementation highlights like the design of the filters and the concept of an universal digital modulator are outlined and measured results are presented. Finally the concept is compared to resonant converters under consideration of weight, volume and efficiency.}}, author = {{Schulte, Thomas and Fröhleke, Norbert}}, booktitle = {{ACTUATOR 2002}}, location = {{Bremen}}, pages = {{442 -- 445}}, title = {{{PWM-Converter for Travelling Wave Type Ultrasonic Motors.}}}, year = {{2002}}, } @inproceedings{4066, abstract = {{Ultrasonic piezoelectric converters (UPC) require adequate power supplies providing high frequency output voltage of several hundred volts and a total output power up to several kilowatts. Several concepts are conceivable but the potential of optimisation adopting a certain concept depends on the electrical terminal behaviour of the UPC. In this contribution the operating behaviour ofUPC is discussed with respect to their transfer function, the necessary excitation and their terminal behaviour. The latter definies the demands for the power supply, while considering different parameter combinations for bandwidth, quality and piezoelectric capacitance. The main part of this contribution is concerned with the development and realisation of a laboratory power supply for UPC, which is of resonant type.}}, author = {{Schulte, Thomas and Fröhleke, Norbert and Kauczor, Christopher}}, booktitle = {{ACTUATOR 2002}}, location = {{Bremen}}, pages = {{485 -- 488}}, title = {{{Resonant Power Converter for Ultrasonic Piezoelectric Converter.}}}, year = {{2002}}, } @misc{4237, author = {{Borcherding, Holger}}, title = {{{Kühlkörper für einen Frequenzumrichter}}}, year = {{2002}}, } @inproceedings{4407, author = {{Jasperneite, Jürgen}}, location = {{Magdeburg}}, title = {{{IP-Tunneling in der Praxis}}}, year = {{2002}}, } @article{4408, author = {{Jasperneite, Jürgen and Vonnahme, Erik}}, journal = {{Elektronik}}, number = {{9}}, pages = {{68--71}}, title = {{{Extrovertierte Automatisierungslösung - Integrierter Dualport-Ethernet-Switch für die Automatisierungstechnik}}}, year = {{2002}}, } @phdthesis{4409, abstract = {{Zugleich: Dissertation an der Universität Magdeburg}}, author = {{Jasperneite, Jürgen}}, isbn = {{978-3-8322-0832-5}}, pages = {{XV, 207}}, publisher = {{Shaker }}, title = {{{Leistungsbewertung eines lokalen Netzwerkes mit Class-of-Service Unterstützung für die prozessnahe Echtzeitkommunikation}}}, year = {{2002}}, } @inproceedings{4410, author = {{Jasperneite, Jürgen and Neumann, Peter and Theis, Michael and Watson, Kym}}, booktitle = {{4th IEEE International Workshop on Factory Communication Systems (WFCS2002)}}, location = {{Västerås, Sweden }}, pages = {{11--18}}, title = {{{Deterministic Real-Time Communication with Switched Ethernet}}}, year = {{2002}}, } @inproceedings{4411, author = {{Jasperneite, Jürgen}}, booktitle = {{VDE-Kongress: NetWorlds - Leben und Arbeiten in vernetzten Welten}}, location = {{Dresden}}, pages = {{251--256}}, title = {{{Switched Ethernet in der Industrieautomation - wie wird Echtzeitsicherheit gewährleistet ? }}}, year = {{2002}}, } @article{4412, author = {{Watson, Kym and Theis, Michael and Jasperneite, Jürgen}}, journal = {{Fraunhofer IITB Hauszeitschrift visIT}}, title = {{{Industrial Ethernet - Switched Ethernet in der industriellen Automation}}}, year = {{2002}}, } @article{5178, author = {{Weller, Bernhard and Pottgiesser, Uta and Wiesner, Silke}}, journal = {{Glas}}, title = {{{Glas-Report : Verkaufsstand als lastabtragend geklebte Ganzglaskonstruktion}}}, year = {{2002}}, } @phdthesis{5179, author = {{Pottgiesser, Uta}}, isbn = {{ 3-86005-317-5 }}, keywords = {{Doppelte Fassade, Glasbau, Energiebewusstes Bauen}}, pages = {{389}}, publisher = {{Techn. Univ., Lehrstuhl für Baukonstruktionslehre }}, title = {{{ Mehrschalige Glaskonstruktionen. energetische und konstruktive Aspekte }}}, year = {{2002}}, } @inproceedings{2049, author = {{Lohweg, Volker and Müller, Dietmar}}, booktitle = {{4. Workshop Bildverarbeitung für die Medizin}}, editor = {{Handels, Heinz}}, pages = {{325--329}}, publisher = {{Springer-Verlag}}, title = {{{Unscharfe Histogramm Klassifikation mit nichtlinearen Zirkulartransformationen und Potentialfunktionen für die Bildfindung und -analyse}}}, year = {{2001}}, } @inproceedings{2050, author = {{Lohweg, Volker and Müller, Dietmar}}, booktitle = {{IEEE-Eurasip Workshop on Nonlinear Signal and Image Processing}}, editor = {{Arce, Gonzalo}}, publisher = {{Eurasip}}, title = {{{Nonlinear Generalized Circular Transforms for Signal Processing and Pattern Recognition}}}, year = {{2001}}, } @inproceedings{4070, abstract = {{Speed control strategies for piezoelectric drives have been presented by several authors. Beside various control strategies based on adaptive structures like MIAS, MRAS, neural nets or fuzzy control, a completely model based control system using an inner bending wave control and an outer speed control including a torque calculator for linearization has been presented. The paper deals with investigations and improvements of this torque calculator. The setpoint adjustment is focused to utilize the degrees of freedom for the bending wave values, which represents an additional potential for optimization of the performance of the drive system. Theoretical and experimental results confirm the advances.}}, author = {{Schulte, Thomas and Fröhleke, Norbert}}, booktitle = {{Proceedings of International Conference on Advanced Intelligent Mechatronics}}, pages = {{504 -- 509}}, publisher = {{IEEE}}, title = {{{Improved setpoint adjustment for ultrasonic motors}}}, year = {{2001}}, } @inproceedings{4071, abstract = {{Several types of piezoelectric motors are known to deliver few watts of mechanical output power.This paper deals with the design and development of a LLCC-resonant converter for a novel type ofhigh power piezoelectric motor of up to 4kW mechanical power being used in avionics. The devel-opment of a laboratory power supply became necessary, since suitable power supplies for testingthe novel piezoelectric motor during its breadboard stage are not available on the market. The gen-eral function of the LLCC-resonant converter which also provides a DC-offset voltage for avoidingdepolarisation problems is described, implementation highlights are outlined and the weight distri-bution is discussed with respect to future development of power converters for avionics.}}, author = {{Schulte, Thomas and Fröhleke, Norbert and Njiende, H. D.}}, booktitle = {{MAGELEC 2001}}, location = {{Toulouse, France}}, title = {{{Development of Power Converter for High Power Piezoelectric Motors.}}}, year = {{2001}}, } @inproceedings{4073, abstract = {{Several types of piezoelectric motors are known to deliver few watts of mechanical output power.This paper deals with the design and development of a LLCC-resonant converter for a novel type ofhigh power piezoelectric motor of up to 4kW mechanical power being used in avionics. The devel-opment of a laboratory power supply became necessary, since suitable power supplies for testingthe novel piezoelectric motor during its breadboard stage are not available on the market. The gen-eral function of the LLCC-resonant converter which also provides a DC-offset voltage for avoidingdepolarisation problems is described, implementation highlights are outlined and the weight distri-bution is discussed with respect to future development of power converters for avionics.}}, author = {{Schulte, Thomas and Fröhleke, Norbert}}, location = {{Perth, Australia}}, pages = {{507 -- 512}}, title = {{{Development of Power Converter for High Power Piezoelectric Motors.}}}, year = {{2001}}, } @inproceedings{4075, abstract = {{Speed control strategies for piezoelectric driveshave been presented by several authors. Beside various con-trol strategies based on adaptive structures like MIAS,MRAS, neural nets or Fuzzy control, a completely modelbased control system using an inner bending wave controland an outer speed control including a torque calculator for linearization has been presented. This paper deals with investigations and improvements of this torque calculator. The setpoint adjustment is focused toutilize the degrees of freedom for the bending wave values, which represents an additional potential for optimization of the performance of the drive system. Theoretical and experi-mental results confirm the advances.}}, author = {{Schulte, Thomas and Fröhleke, Norbert}}, location = {{Como, Italy}}, pages = {{504 -- 509}}, publisher = {{IEEE}}, title = {{{Improved Setpoint Adjustment for Ultrasonic Motors.}}}, year = {{2001}}, } @inproceedings{4751, author = {{Jasperneite, Jürgen and Neumann, Peter and Watson, Kym}}, booktitle = {{Echtzeitkommunikation und Ethernet, Internet: Fachtagung der GI-Fachgruppe 4.4.2 Echtzeitprogrammierung (Pearl 2001)}}, pages = {{40--49}}, title = {{{Real-Time Communication in Industrial Automation with Switched Ethernet Networks}}}, year = {{2001}}, } @inproceedings{4752, author = {{Jasperneite, Jürgen and Neumann, Peter}}, booktitle = {{ 4th IFAC International Conference on Fieldbus Systems and their Applications (FeT´2001)}}, pages = {{144 -- 151}}, title = {{{Performance Evaluation of Switched Ethernet in Realtime Applications}}}, year = {{2001}}, } @inproceedings{4753, author = {{Jasperneite, Jürgen and Neumann, Peter}}, booktitle = {{8th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA´01)}}, pages = {{205 -- 212 }}, title = {{{Switched Ethernet for Factory Communication}}}, year = {{2001}}, } @inproceedings{4754, author = {{Jasperneite, Jürgen}}, booktitle = {{Ifak Workshop: Ethernet-TCP/IP in der Automation - Ein Vergleich der Lösungen}}, publisher = {{ifak}}, title = {{{Modulare Maschinen/Anlagenkonzepte mit IDA}}}, year = {{2001}}, } @article{4755, author = {{Jasperneite, Jürgen}}, journal = {{at - Automatisierungstechnik, R. Oldenbourg Verlag}}, pages = {{206 -- 213}}, title = {{{Analyse und Modellierung von Kommunikationslasten in der Fertigungstechnik}}}, volume = {{49}}, year = {{2001}}, } @misc{10148, author = {{Minde, Frank and Witte, Stefan}}, booktitle = {{Eisenbahntechnische Rundschau}}, number = {{5}}, pages = {{256 -- 263}}, publisher = {{DVV Media Group, Eurailpress}}, title = {{{FEBIS: Kommunikationsbasierte elektronisch gesteuerte Bremse}}}, volume = {{50}}, year = {{2001}}, } @misc{10178, author = {{Kleinsorge, Ralf and Witte, Stefan and Meier, Uwe}}, booktitle = {{Signal + Draht : SD = Rail signalling + telecommunication }}, issn = {{0037-4997}}, number = {{3}}, pages = {{46 -- 50}}, publisher = {{DVV Media Group, Eurailpress}}, title = {{{Radio Communication within Freight Trains}}}, year = {{2001}}, } @misc{10182, author = {{Grasso, Angelo and Witte, Stefan}}, booktitle = {{World Congress on Railway Research : markets, products, technology ; proceedings of the sessions, special poster presentations, posters of the WCRR 2001 ; 25. - 29. November 2001, KölnMesse}}, location = {{Köln}}, publisher = {{WCRR}}, title = {{{Description of the FEBIS wire protocol}}}, year = {{2001}}, } @misc{10183, author = {{Witte, Stefan and Tione, R. and Launay, A. and Coulange, C.}}, booktitle = {{World Congress on Railway Research : markets, products, technology ; proceedings of the sessions, special poster presentations, posters of the WCRR 2001 ; 25. - 29. November 2001, KölnMesse}}, location = {{Köln}}, publisher = {{WCRR}}, title = {{{FEBIS System Aspects}}}, year = {{2001}}, } @misc{10184, author = {{Guigon, Guigon and Witte, Stefan}}, booktitle = {{World Congress on Railway Research : markets, products, technology ; proceedings of the sessions, special poster presentations, posters of the WCRR 2001 ; 25. - 29. November 2001, KölnMesse}}, location = {{Köln}}, publisher = {{WCRR}}, title = {{{Development of the FEBIS-System}}}, year = {{2001}}, } @inproceedings{2047, abstract = {{Basierend auf der Klasse der Zirkulartransformationen wird ein generalisiertes Positionsspektrum vorgestellt. Die Berechnung des Positionsspektrums kann für alle Transformationen auf ein einheitliches Gerüst aufgebaut werden. Im Unterschied zu anderen in der Literatur bekannten Berechnungsstrategien kann die algorithmische Struktur unabhängig von einer Transformation der o.g. Klasse beibehalten werden. Mit Hilfe von schwach kommutativen Abbildungen kann ein datenreduziertes Positionsspektrum bestimmt werden, das eine Positionsunterscheidung in jedem Fall zulässt. Dieser Ansatz beruht letztendlich auf einer Interpretation des Positionsvektors im Sinne einer Klassentrennbarkeit von Positionen als Merkmal.}}, author = {{Lohweg, Volker and Müller, Dietmar}}, booktitle = {{3. Workshop Bildverarbeitung für die Medizin}}, editor = {{Horsch, Alexander}}, isbn = {{978-3-540-67123-7}}, keywords = {{Positionsspektrum, Zirkulartransformationen, schwach kommutative Abbildungen}}, pages = {{371--375}}, publisher = {{Springer-Verlag}}, title = {{{Das generalisierte Positionsspektrum der Zirkulartransformationen}}}, doi = {{https://doi.org/10.1007/978-3-642-59757-2_70}}, year = {{2000}}, } @inproceedings{2048, abstract = {{Mit Hilfe schneller nichtlinearer Spektraltransformationen ist eine translationsinvariante Merkmalgewinnung möglich. Basierend auf dem Konzept der charakteristischen Matrizen wird ein generalisiertes Verfahren zur Berechnung von Zirkulartransformationen vorgestellt. Durch unterschiedliche Berechnungsstrukturen können die Trenneigenschaften aufgabenspezifisch verändert werden. Die in dieser Arbeit vorgestellten Zirkulartransformationen sind in den praktisch erprobten Trenneigenschaften denen der bekannten CT-Transformation und dem Betragsspektrum der Fourier-Transformation überlegen. Dabei werden keine schwach kommutativen Abbildungen im Eingang benötigt. Anhand von Beispielen wird das Verhalten der Zirkulartransformation demonstriert.}}, author = {{Lohweg, Volker and Müller, Dietmar}}, booktitle = {{Mustererkennung 2000 - 22. DAGM-Symposium}}, editor = {{Sommer, Gerald}}, isbn = {{978-3-540-67886-1}}, keywords = {{Translationsinvariante Transformation, Mustererkennung, Betragsspektrum, Zirkulartransformation}}, pages = {{213--220}}, publisher = {{Springer-Verlag}}, title = {{{Ein generalisiertes Verfahren zur Berechnung von translationsinvarianten Zirkulartransformationen für die Anwendung in der Signal- und Bildverarbeitung}}}, doi = {{https://doi.org/10.1007/978-3-642-59802-9_27}}, year = {{2000}}, } @inproceedings{4077, abstract = {{A complete model-based control for traveling-wave-type ultrasonic motors is presented. The control scheme consists of inner control loops with respect to the oscillation systems, offering all meaningful degrees of freedom for adjusting the traveling bending wave, and outer control loops for torque and speed. After a brief review on modeling the actuator and presentation of a parameter identification method, the control scheme is developed and verified by measurements on a prototype drive system, several measures for the compensation of nonlinearities and temperature effects are developed, and achieved improvements are discussed with respect to the special properties of this novel actuator. Finally, the developed drive is applied to an "active control stick"}}, author = {{Maas, Jürgen and Schulte, Thomas and Fröhleke, Norbert}}, booktitle = {{IEEE/ASME Transactions on Mechatronics}}, pages = {{165 -- 180}}, publisher = {{IEEE}}, title = {{{Model-based control for ultrasonic motors}}}, year = {{2000}}, } @inproceedings{4078, author = {{Schulte, Thomas and Grotstollen, Horst and Fröhleke, Norbert}}, booktitle = {{Conference Proceedings - ACTUATOR 2000}}, location = {{Bremen}}, pages = {{367 -- 370}}, title = {{{Control for Ultrasonic Motors with LLCC-Resonant Converter.}}}, year = {{2000}}, } @misc{10188, author = {{Minde, Frank and Engelmann, Jens and Witte, Stefan}}, booktitle = {{Eisenbahntechnische Rundschau : ETR ; Zeitschrift für die gesamte Eisenbahntechnik}}, issn = {{0013-2845 }}, number = {{11}}, pages = {{745 -- 750}}, publisher = {{DVV Media Group, Eurailpress}}, title = {{{Zentrale Komponenten eines intelligenten Güterzugs}}}, volume = {{49}}, year = {{2000}}, } @inproceedings{4080, abstract = {{A novel speed control for traveling wave type ultrasonic motors is presented and verified by measurements on a prototype drive, Based on an underlying bending wave control the nonlinear torque generation of the USM is compensated by an inverse contact model calculating the reference values of bending wave control under consideration of an optimized set point adjustment. For this task a basis function neural network is applied. By compensation of the nonlinearity the command behavior of the USM approaches that of conventional drives and proven speed control schemes can be implemented as further control loop, The novel speed control investigated offers excellent dynamic responses and is thus attractive for applications in the field of high performance servo systems.}}, author = {{Maas, Jürgen and Schulte, Thomas}}, pages = {{91 -- 96}}, publisher = {{IEEE}}, title = {{{High performance speed control for ultrasonic motors}}}, year = {{1999}}, } @inproceedings{4081, abstract = {{This paper gives a review of research activities at the Institute for Power Electronics and ElectricalDrives in Paderborn to the control of rotary travelling wave type ultrasonic motors. Based on a special designedhardware environment an advanced control scheme for inverter-fed travelling wave type ultrasonic motors is pre-sented. After several modelling steps, including an averaged model for the controller design, a speed control schemeis implemented on a prototype drive. It is realized as an outer control loop of an underlaid voltage and travellingbending wave vector controller. The novel speed control is using an inverse contact model by a neural network, inorder to compensate the nonlinear torque generation of the motor. The so equipped ultrasonic motor-drive meetsrequirements for applications in the field of servo-drives e.g. robotics. Since the reference values of the bendingwave control are calculated from the desired torque value by the neural network, open loop control of the drive´s torque is feasible, too. }}, author = {{Maas, Jürgen and Schulte, Thomas and Grotstollen, H. and Fröhleke, Norbert}}, location = {{Paderborn}}, pages = {{129 -- 143}}, title = {{{Model-Based Control of Travelling Wave Type Ultrasonic Motors.}}}, year = {{1999}}, } @inproceedings{4083, abstract = {{An Active Control Stick (ACS) realized by a travelling wave type ultrasonic motor(USM) is presented. In contrast to the conventional side stick in modern aircrafts, which is onlyoperated by a passive mechanic feedback, forces can be reproduced artificially by an active con-trol stick. Ultrasonic motors are more compact as conventional electrical geared motors andcombine features such as high driving torque at low rotational speed and low noise in operationand low electromagnetic emission. In this paper a control schemes for an active control stickusing a rotary travelling wave type USM is presented which is already implemented and suc-cessfully tested for an one axis prototype version of an ACS within a cooperative project of theDepartment Research and Technology of the DaimlerChrysler AG in Frankfurt, SFIM Indus-tries and the Institute of Power Electronics and Electrical Drive of the University of Paderborn.}}, author = {{Schulte, Thomas and Grotstollen, H. and Schöner, H.-P. and Audren, J.-T.}}, booktitle = {{Proc. of 3rd Int. Symposium on advanced Electromechanical Motion Systems (EM'99) ; 1}}, location = {{Patras, Greece}}, pages = {{583 -- 588}}, title = {{{Active Control Stick Driven by a Piezo Electric Motor}}}, volume = {{1}}, year = {{1999}}, } @book{4210, author = {{Borcherding, Holger}}, isbn = {{3-89720-376-6}}, pages = {{117}}, publisher = {{Papierflieger Verl.}}, title = {{{Eigenschaften von Netzpulsstromrichtern mit eingeprägter Gleichspannung}}}, year = {{1999}}, } @book{5181, author = {{Weller, Bernhard and Pottgiesser, Uta}}, title = {{{Transparente Architektur : Konstruktiver Glasbau}}}, year = {{1999}}, } @inproceedings{4085, abstract = {{This paper deals with an advanced speed control scheme for inverter-fed travelling waveultrasonic motors. It is implemented as an additional outer control loop of an underlaid voltage andtravelling bending wave vector controller and verified by measurements on a prototype drive. Thenovel speed control is using an inverse contact model by a neural network, trained by measured valuesof speed and torque, in order to compensate the nonlinear torque generation of the motor. Since thereference values of the bending wave control are calculated from the desired torque value by the neu-ral network, first an open loop control of the drive ́s torque is feasible and second common speed con-trol schemes, well performing in common electrical drives, can be applied. Thus, the so equippedultrasonic motor-drive meets requirements for applications in the field of servo-drives e.g. robotics. }}, author = {{Maas, Jürgen and Schulte, Thomas and Grotstollen, H.}}, location = {{Harrogate (UK)}}, pages = {{701 -- 708}}, title = {{{Controlled Ultrasonic Motor for Servo-Drive Applications}}}, year = {{1998}}, } @inproceedings{4087, author = {{Schulte, Thomas and Maas, Jürgen and Grotstollen, Horst}}, booktitle = {{ACTUATOR 98}}, location = {{Bremen}}, pages = {{262-- 265}}, title = {{{High Performance Speed Control for Inverter-Fed Ultrasonic Motors Optimized by a Neural Network}}}, year = {{1998}}, } @inproceedings{3999, abstract = {{An optimized control scheme for the most advanced traveling wave type ultrasonic motor powered by a resonant power converter is presented and verified by measurements on a prototype drive. Basing on an averaged drive model, which reflects the slow dynamic behavior of the drive's ultrasonic oscillations by time varying fundamental Fourier coefficients, a cascaded two-phase vector control scheme is designed. The novel drive control divides into an inner voltage and outer bending wave control compensating couplings and suppressing the beat characteristics. Since an amplitude modulation is applied instead of frequency modulation, the well known pull out phenomenon is eliminated in general. By means of an online frequency adaptation to the stator's resonance, the drive's performance is optimized remarkably.}}, author = {{Maas, Jürgen and Schulte, Thomas and Grotstollen, H.}}, booktitle = {{IAS '97. Conference Record of the 1997 IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting}}, isbn = {{0-7803-4067-1}}, location = {{New Orleans, LA, USA}}, pages = {{690 -- 698}}, publisher = {{IEEE}}, title = {{{Optimized drive control for inverter-fed ultrasonic motors}}}, volume = {{1}}, year = {{1997}}, }