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Polynomial Approach to Stable Predictive control

IFAC Proceedings Volumes 2000年第14期33卷 687-692页

作者： M. Fikar H. Unbehauen J. Mikleš Control Engineering Laboratory Faculty of Electrical Engineering Ruhr-University Bochum D44780 Universitätsstr. 150 Germany Tel: ++49/234 32 28071 Fax: ++49/234 32 14101 Department of Process Control CHTF STU Radlinského 9 SK-812 37 Bratislava Slovakia

In this article a general framework for stable predictive controllers is derived. The basis for the unification are closed-loop poles. It is shown that many existing stabilising predictive controllers can be obtained for particular settings. Several kinds of the quadratic cost function can be minimised. It is shown that for a special cost function it is possible to construct a predictive controller with the following features: (i) it produces the same control actions as a given known controller in the unconstrained case, (ii) it introduces a new degrees of freedom that can be used for constraints handling.

关键词： Predictive control stability algebraic theory

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Using of One-Chip processor for control of Artificial Limb

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IFAC Proceedings Volumes 2000年第1期33卷 141-144页

作者： J. Novotný H. Soušková P. Tiefenbach L. Václavík Vysoká škola báňská - Technical University of Ostrava Faculty of Electrical Engineering and Informatics Department of Measurement and Control 17. listopadu 15 708 33 Ostrava - Poruba Czech Republic tel: +420-69-6994290

At the movement of a man with the usual prothesis it is not possible to change the speed of walking too much. Concerning construction, the artificial limbs are solved in the following way: Their swing is adjusted to any induvidual. Our project concerns developing of the artificial limb which is capable to react on possible rate of movement changes, that will make the pace more fluent and natural. The work can be divided into two parts - mechanical and control (electronic) one. The mechanical part consists of pneumatic cylinder in which the flow valve is controlled. This enables two-sided regulation. The electronic part consists of pressure sensor and control unit created by one-chip processor which reacts on pressure change in dependence on time.

关键词： computer control system sensor microprocessor

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Subsystem of Position Measurement of Autonomous Pilotless Flight Means DAW I

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IFAC Proceedings Volumes 2000年第27期33卷 535-537页

作者： Horák Bohumil VŠB-Technical University of Ostrava Faculty of Electrical Engineering and Informatics Department of measurement and control 17.listopadu 708 00 Ostrava- Poruba Czech republic Tel.: 00420-69-699-3138 Fax.: 00420-69-699-3138

This contribution contains informations about course and gradualy realization of students project DAW I and with this project connected implementation of wireless measurement information system for positon measurement... 详细信息

关键词： positioning system transmission system information system

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Measurement and Simulation of Hydraulic Pressure Impact

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IFAC Proceedings Volumes 2000年第17期33卷 571-574页

作者： Demcáková Blanka Nevriva Pavel VŠB - Technical University of Ostrava Faculty of Electrical Engineering and Informatics Department of Measurement and Control 17. listopadu 15 708 00 Ostrava - Poruba Czech Republic Phone: (420-69)6994221 Fax:(420-69)6993138 Phone: (420-69)6993135 Fax:(420-69)6993138

In this paper, the simulation and measurement of the pressure impact propagation along the long pipeline is presented. The congruence of the mathematical model with the measurement data is studied. The mathematical description of the model id discussed. The partial differential equations are solved by MATLAB 5.3/WINDOWS. The model was verified on the pipeline in MCHZ - Ostrava. The results of measurement are presented.

关键词： simulation hydraulic pressure impact pipeline

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Healthcare informatics Society of Ireland

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Irish Journal of Medical Science 1999年第4期168卷 276-282页

作者： Rigby, M. Sheridan, A. Draper, R. Stephens, G. Gaffney, P. Grimson, J. Avalos, G. Comerford, F. R. Kanagaratnam, B. Dineen, B. Hamilton, I. Jung, B. Felton, E. Berry, D. Grimson, W. Rice, D. H. Healy, M. Bruce, A. Kelly, J. Carroll, T. Grogan, A. Hurl, G. A. Hyland, D. Roberts, J. Brazil, J. Callanan, I. Devitt, A. O’Brien, T. O’Sullivan, U. M. Peyton, K. Wilson, M. J. Collins, R. Crawley, L. Foley, D. Strachan, H. McBrearty, P. Murnane, R. Murphy, E. Keane, V. Mulvany, F. Sweeney, P. D. Kenny, D. O’Connell, P. R. Balfe, P. Minogue, G. Centre for Health Planning & Management Keele University Keele Staffordshire Britain St. John of God Hospital Stillorgan Hospitaller Order of St. John of God Stillorgan Dept. of Computer Science Trinity College Dublin Clinical Chemistry Laboratory Tallaght Hospital Tallaght Dublin 24 Department of Experimental Medicine Faculty of Medicine National University of Ireland Galway Department of Health Promotion Faculty of Medicine National University of Ireland Galway School of Control Systems & Electrical Engineering Dublin Institute of Technology Ireland Shared Medical Systems Malvern USA Healy Services Dublin Universal Learning Systems Ltd. Dublin The Rotunda Hospital Dublin Mater Misericordiae Hospital Dublin Institute for Healthcare Informatics Dublin First Consulting Group Macclesfield Britain Virus Reference Laboratory UCD Belfield Dublin 4 Cappagh Orthopaedic Hospital Dublin Ireland Southern Health Board Cork Mater Misericordiae Hospital Dublin 7 DSS Dublin Ltd. Ireland University College Dublin Ireland Mary Aikenhead School of Nursing St. Vincent’s Hospital Dublin Blackrock Clinic Dublin Borders Community Health Services NHS Trust Britain James Connolly Memorial Hospital Blanchardstown Dublin 15 Kildare and West Wicklow Mental Health Service for People with A Learning Disability Eastern Health Board Dublin Health Research Board Dublin General Practice Research Unit The Medical Centre Dungloe Dept. of Clinical Biochemistry Our Lady’s Hospital for Sick Children Crumlin Dublin 12

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Royal Academy of Medicine in Ireland - Section of Bioengineering - Proceedings of meeting held in Dundalk, Co. Louth, in February 1998.

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IRISH JOURNAL OF MEDICAL SCIENCE 1998年第4期167卷 256-276页

作者： [Anonymous] Orthopaedic Research Unit The Queen’s University of Belfast School of Biomedical Sciences The Queen’s University of Belfast Howmedica International Ltd. Raheen Industrial Estate Limerick Department of Mechanical Engineering Trinity College Dublin 2 Mater Hospital Dublin 7 Orthopaedic Research Laboratory Århus University Hospital Denmark University of Limerick Limerick Limerick Regional Hospital Raheen Limerick Boston Scientific Ireland Ltd. Galway Department of Mechanical Engineering University College Dublin Dublin Department of Electrical and Electronic Engineering University College Dublin Dublin Bioengineering Research Centre Department of Mechanical Engineering University College Dublin Dublin Northern Ireland Bio-Engineering Centre (NIBEC) School of Electrical and Mechanical Engineering University of Ulster Newtownabbey Department of Mechanical & Manufacturing Engineering The Ashby Building The Queen’s University of Belfast Johnson and Johnson Professional Orthopaedic Division Queensway England Department of Cardiology and Department of Medical Physics & Bioengineering St. James’s Hospital Dublin 8 Burke House Ellison Street Castlebar Royal College of Surgeons in Ireland Department of Surgery Beaumont Hospital Dublin Department of Electronic and Electrical Engineering Trinity College Dublin 2 Department of Aeronautical Engineering The Queen’s University of Belfast Vascular Unit Belfast City Hospital Department of Medical Physics and Bioengineering St. James’s Hospital Dublin 8 Centre for Biomedical Electronics Department of Electronic and Computer Engineering University of Limerick Limerick Department of Mechanical and Aeronautical Engineering University of Limerick Limerick School of Health Sciences University of Ulster Ireland School of Physiotherapy University of Ulster Newtownabbey Clinical Engineering NI Medical Physics Agency Belfast and Radiology Royal Victoria Hospital Musgrave Park Hospital University of Limerick Biomedical Institute (ULBMI) Uni

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Global asymptotic stabilization of MIMO bilinear systems with undamped natural response

Global asymptotic stabilization of MIMO bilinear systems wit...

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IEEE Conference on Decision and control

作者： Guoping Lu Yufan Zheng C. Zhang Xinghuo Yu Department of .Automatic Control Yantong Institute of Technology Nantong Jiangsu China Institute of Systems Science East China Jiao Tong University Shanghai China Department of Electrical and Electronic Engineering University of Melbourne Parkville VIC Australia Faculty of Informatics and Communication Central Queensland University Rockhampton QLD Australia

ISBN: (纸本)0780343948

This paper considers the problem of globally asymptotic stabilization of multi-input multi-output bilinear systems with undamped natural response. It firstly presents a simple sufficient condition for construction of a static state feedback controller. Then under an additional condition on system detectability, two output dynamic feedback controllers with saturation bounded control are constructed. The globally asymptotic stability of the closed loop systems using these controllers are established by using Lyapunov stability approach.

关键词： MIMO Nonlinear systems control systems Transient response Sufficient conditions State feedback Adaptive control Asymptotic stability Closed loop systems Lyapunov method

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On the numerical speed control of electrical drive systems using stepping motors

On the numerical speed control of electrical drive systems u...

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IEEE International Conference on Intelligent engineering Systems (INES)

作者： G. Baluta S. Resmerita Faculty of Electrical Engineering Department of Electric Drivcs and Power Electronics E2809CGh. Asachi E2809DTechnical University of Iasi Lasi Romania Faculty of Automatic Control and Computer Engineering Department of Automatic Control and Industrial Informatics E2809CGh. Asachi E2809DTechnical University of Iasi Lasi Romania

The paper focuses on the speed control of stepping motors in a closed-loop configuration. An incremental optical encoder is used as the position transducer, allowing the achievement of a minor loop. The numerical control algorithm is implemented using an IBM PC together with a specialized interface for stepper motors. The solution was obtained in two steps: the first was a nonlinear control law and the second was the improvement of the first one by using a PI part.

关键词： Velocity control Samarium Automatic control Pulse circuits Optical feedback Nonlinear optics Transducers Computer numerical control Digital control Pulse generation

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Considerations Concerning the Speed control of electrical Drive Systems with Stepper Motors

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IFAC Proceedings Volumes 1997年第27期30卷 455-460页

作者： Gheorghe Bãluṭă Ştefan Resmeriṭă Gheorghe Bäluṭă “Gh. Asachi” Technical University of Iasi Faculty of Electrical Engineering Electric Drives and Power Electronics Department Str. Horia No. 7-9 6600 Iasi Romania tel.032/112770 Ştefan Resmeriṭà “Gh. Asachi” Technical University of Iasi Faculty of Automatic Control and Computer Engineering Department of Automatic Control and Industrial Informatics Str. Horia No. 7-9 6600 Iasi Romania tel. 032/116502 tuiasi.ro

This paper presents a method for Stepper Motor (SM) speed control by means of a minor loop. The compatibility of the SM with the digital electronics allowed a PC to be used for implementing the control algorithm, the SM control being achieved by two hardware interface levels. The SM command is realized with two specialized circuits: L297 (SM controller) and L298N (driver). The control signals for this level are generated through a parallel port 18255 and a programmable timer 18253. Some other circuits complete the microprocessor interface. The software has the following tasks: speed measurement and control algorithm achievement of a PI type. To tune this controller the system characteristics are measured, when the system is unstable, having a relay instead of the PI part. There are treated aspects on choosing the sample period, the position transducer, and the type of speed measurement.

关键词： control applications control closed-loop Stepping motors Numerical algorithms Computer controlled systems

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ADAM: adaptive autonomous machine

ADAM: adaptive autonomous machine

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Euromicro Workshop on Advanced Mobile Robot

作者： D.C. van Oosten L.F.J. Nijenhuis A.W.P. Bakkers W.A. Vervoort Dutch Open University Heerlen Netherlands Electrical Engineering Faculty Control Laboratory University of Twente Enschede Netherlands Informatics Department Systems Programming and Architecture University of Twente Enschede Netherlands

This paper describes a part of the development of an adaptive autonomous machine that is able to move in an unknown world extract knowledge out of the perceived data, has the possibility to reason, and finally has the capability to exchange experiences and knowledge with other agents. The agent is not pre-programmed by its designer but was given simple rules of life, i.e. what is good and what is bad. By evaluating its sensor inputs these rules of life were transformed into a rule based reactive system. Simulations of the system showed that the agent is able to learn by its own experience. By representing the learned knowledge in an appropriate way, the acquired knowledge could be judged on its effectiveness and also this knowledge could be shared with other, less experienced agents.

关键词： Sensor systems Laboratories Electronic mail informatics Data mining Artificial intelligence Humans Robot sensing systems Filters Actuators

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