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Discrete sliding mode control for nonlinear systems using feedback linearization

IFAC Proceedings Volumes 2004年第13期37卷 615-620页

作者： M.S. Chakravarthini B. Baodyopadhyay Interdisciplinary Programme in Systems and Control Engineering Indian Institute of Technology Bombay Mumbai-400076 India Tel: +91-22-25767889 Fax: +91-22-25723480

The aim of this paper is to develop a new method for sliding mode control of a class of discrete-time nonlinear systems that are feedback linearizable. One advantage of this method is that it allows the use of the recently developed output feedback sliding mode control strategy for linear systems to a class of nonlinear systems. The second advantage of this approach is that it can be used in situations where complete state information is not available or the use of dynamic compensator becomes essential.

关键词： Nonlinear systems Discrete-time system Sliding mode control Output feedback Feedback linearization Co-Ordinate transformations

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Discrete sliding mode control using fast output sampling feedback

Discrete sliding mode control using fast output sampling fee...

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2003 European control Conference, ECC 2003

作者： Saaj, C.M. Bandyopadhyay, B. Interdisciplinary Programme in Systems and Control Engineering Indian Institute of Technology Mumbai400076 India

ISBN: (纸本)9783952417379

In this paper a new algorithm for discrete-time sliding mode control using only output samples is proposed. It is shown that the output feedback gain can be directly obtained using the reaching law of discrete-time sliding mode control. The main contribution of this work is that instead of using the system states, the output samples are used for designing the controller. © 2003 EUCA.

关键词： Sliding mode control

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Discrete sliding mode control of permanent magnet stepper motor using flatness property

Discrete sliding mode control of permanent magnet stepper mo...

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2003 European control Conference, ECC 2003

作者： Thakar, V. Bandyopadhyay, B. Interdisciplinary Programme in Systems and Control Engineering IIT Bombay Mumbai400 076 India

ISBN: (纸本)9783952417379

The paper presents discrete time sliding mode control (DSMC) for permanent magnet (PM) stepper motor which is known to be differentially flat system. Discretization of continuous time model of the stepper motor has been carried out and linearizing outputs are selected. Discrete state variables and control inputs are obtained in terms of linearizing outputs and their higher order differences. Linearized equations for the system are thus obtained and auxilary control is designed using reaching law approach. Then the actual control is obtained in terms of flat output and state variables. It is shown that system states reach to zero from given initial conditions. © 2003 EUCA.

关键词： Continuous time systems

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Discrete sliding mode control of permanent magnet stepper motor using flatness property

Discrete sliding mode control of permanent magnet stepper mo...

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European control Conference (ECC)

作者： V. Thakar B. Bandyopadhyay Interdisciplinary Programme In Systems and Control Engineering IIT Bombay Mumbai India

关键词： Mathematical model Switches Sliding mode control Windings Permanent magnet motors DC motors

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Discrete sliding mode control using fast output sampling feedback

Discrete sliding mode control using fast output sampling fee...

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European control Conference (ECC)

作者： C.M. Saaj B. Bandyopadhyay Interdisciplinary Programme in Systems and Control Engineering Indian Institute of Technology Mumbai India

关键词： Sliding mode control Output feedback Switches State feedback Discrete-time systems Steady-state

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Output feedback sliding mode control for MIMO discrete time systems 15th

Output feedback sliding mode control for MIMO discrete time ...

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15th World Congress of the International Federation of Automatic control, 2002

作者： Saaj, Chakravarthini M. Bandyopadhyay, B. Interdisciplinary Programme in Systems and Control Engineering Indian Institute of Technology Bombay Mumbai400076 India

ISBN: (纸本)9783902661746

In this paper we present a new algorithm for discrete sliding mode control of linear multivariable systems using fast output sampling feedback. Here we make use of a single switching surface regardless of the number of inputs. The main contribution of this work is that instead of using the system states, the output samples are used for designing the controller. Numerical example demonstrates the design technique. Copyright © 2002 IFAC.

关键词： Discrete time control systems

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Multivariable control of a smart structure using periodic output feedback

Multivariable control of a smart structure using periodic ou...

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International Conference on control, Automation, Robotics and Vision (ICARCV)

作者： T.C. Manjunath B. Bandyopadhyay R. Gupta M. Umapathy Incorisciplinary Programme in Systems and Control Engineering Indian Institute of Technology Bombay Mumbai India Department REC Instrumentation and Control Engineering Tiruchirappalli India

The paper presents the design of periodic output feedback control for a multivariable smart structure system. The method is illustrated by an example.

关键词： Intelligent structures Output feedback Intelligent sensors control systems Erbium Shape Iron Bonding Ambient intelligence Damping

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OUTPUT FEEDBACK SLIDING MODE control FOR MIMO DISCRETE TIME systems

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IFAC Proceedings Volumes 2002年第1期35卷 31-35页

作者： Chakravarthini M. Saaj B. Bandyopadhyay Interdisciplinary Programme in Systems and Control Engineering Indian Institute of Technology Bombay Mumbai 400076 India. Tel:(91)-(22) 5767889 Fax:(91)-(22) 5723480

关键词： Discrete systems Output feedback Sliding mode control Multirate sampling Multivariable systems

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Beyond electric ship

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NAVAL ENGINEERS JOURNAL 2001年第4期113卷 79-92页

作者： Young, S Newell, J Little, G CDR. STUART YOUNG RN joined the Royal Navy in 1977 and completed undergraduate and post-graduate training at the Royal Naval Engineering College in Plymouth. He has undertaken a number of appointments at sea including Marine Engineer Officer of HMS Norfolk the Royal Navy's first CODLAG frigate. Shore appointments have included Project Officer for the procurement of Warship Machinery Operator and Maintainer Trainers lecturer at the Royal Naval Engineering College and Marine Engineering Liaison Officer with the United States Navy based in Washington D.C. He is currently the Electric Ship Programme Manager within the U.K.'s Defence Procurement Agency. CDR. JOHN NEWELL RN joined the Royal Navy as an Artificer Apprentice in 1976 and joined BRNC Dartmouth on promotion in 1978. On completion of his degree at RNEC Manadon and initial training as a marine engineer he served as the Deputy Marine Engineer Officer in HMS Sirius. He subsequently took a MSc in electrical marine engineering and served in the MoD as the Project Officer for Pollution Control equipment. He then served as the Marine Engineer Officer in HMS Boxer before undertaking the French Staff Course in Paris. On return to the U.K. he spent 15 months with the Joint Planning Staff precursor to the Permanent Joint Headquarters (PJHQ) before becoming one of the appointers. He was promoted to commander in 1997 and was appointed as the head of the Electrical Power Distribution and Propulsion Systems specialist group within the Ship Support Agency in March 1998. Commander Newell joined HMS Albion as Senior Naval Officer and Marine Engineer Officer in January 2001 CDR. GRAEME LITTLE RN joined the Royal Navy in 1984 as a Marine Engineer Officer. On completion of his basic training in 1985 he joined RNEC Manadon to study for a first degree in marine engi-neering. Following successful professional training he joined HMS Birmingham in 1990 as the Deputy Marine Engineer Officer. He subsequently read for an MSc in electrical marine engineering at RNEC Manadon follow

The marine engineering development strategy for the Royal Navy was endorsed in 1996 and formulated a road-map to achieve life-cycle cost savings in future warships whilst maintaining operational capability. Since then development work has focused on de-risking the 'Electric Ship' concept so that the technologies are available for use in future warships. This paper reviews progress to date and then discusses bow the strategy is likely to change in the future. Potential future technologies are also assessed.

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HYBRID SATELLITE AND TERRESTRIAL NETWORKS

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INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS 1994年第3期12卷 313-327页

作者： CHITRE, DM SHYY, DJ EPHREMIDES, A GUPTA, S COMSAT Laboratories 22300 Comsat Drive Clarksburg MD 20871–9475 USA. Received his B.Sc. from the University of Bombay India an M.A. in mathematics from the University of Cambridge U.K. and a Ph.D. in physics from the University of Maryland. He is currently an Associate Executive Director of the Network Technology Division at COMSAT Laboratories. He has been involved in research and development activities in ISDN VSAT networks data communications and network systems and architectures. Prior to his current positions Dr. Chitre was a Principal Scientist in the Network Technology Division at COMSAT Laboratories. Dr. Chitre joined COMSAT Laboratories in 1980. He has made major contributions to the analysis and architecture of data communication ISDN and BISDN via satellite. Dr. Chitre directs and participates in the international and national standards activities in ISDN BISDN and data communication as they apply to satellite communication. He was Chairman of the Working Group on Protocols and Network Timing Function of the CCIR/CCITT Joint Ad Hoc Group on ISDN/Satellite Matters during 1990–1992. Currently he is the Chairman of the Working Group on New Technologies in the ITU Intersector Coordinating Group (ICG) on Satellite Matters. Dr. Chitre was a programme manager during 1990 and 1991 on a contract from INTELSAT on systems studies on satellite communications systems architectures for ISDN and broadband ISDN systems. Currently he is the technical manager of the DoD Contract on ATM via satellite demonstration and the programme manager for the INTELSAT contract on analysis and top-level specification of INTELSAT ISDN subnetworks and SDH compatible transport network. Received the B.S. degree in electrical engineering from national Chiao-Tung University Hsin-Chu Taiwan in 1983 and the M.S. and Ph.D. degrees in electrical engineering from Georgia Institute of Technology Atlanta GA in 1986 and 1990 respectively. From June 1987 to October 1987 he worked for the Department of Neurology Emory Univers

The role of satellite communications in networks that provide new services, such as frame relay and multimedia, is investigated. Both passive and active (on-board switching/processing) satellite systems are considered. Novel techniques are developed for each system to demonstrate, via detailed analysis and simulation, how the communications bandwidth agility of multipoint/broadcast satellite channels, and the on-board switching/processing, makes it feasible to provide these new services via hybrid satellite and terrestrial networks in a resource-efficient manner.

关键词： HYBRID NETWORKS ON-BOARD PROCESSING FRAME RELAY

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