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  • Journal article
    Chisci L, Falugi P, Zappa G, 2003,

    Gain-scheduling MPC of nonlinear systems

    , INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL, Vol: 13, Pages: 295-308, ISSN: 1049-8923
    • Cite
    • Citations: 53
  • Journal article
    Tse KK, Ng RWM, Chung HSH, Hui SYRet al., 2003,

    An evaluation of the spectral characteristics of switching converters with chaotic carrier-frequency modulation

    , IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, Vol: 50, Pages: 171-182, ISSN: 0278-0046
    • Cite
    • Citations: 72
  • Journal article
    Hui RSY, 2003,

    Recent developments of planar printed circuit board (pcb) transformer technology

    , Hkie Transactions Hong Kong Institution of Engineers, Vol: 10, Pages: 35-41, ISSN: 1023-697X

    Rapid developments of planar magnetics in recent years have prompted new applications of planar transformers in electronic industry. The low-profi’e features of planar magentics make them attractive in many electronic systems that have stringent thickness requirements. In this article, some recent progress of planar PCB transformers and their applications are described. Comparisons of canventional and pianar transformers are reviewed. New trend of integrated electronic packaging in power electronic systems is briefly discussed. © 2003 Taylor & Francis Group, LLC.
  • Journal article
    Lee STS, Chung HSH, Chen G, Hui SYet al., 2003,

    Use of Chaotic Switching in Electronic Ballasts

    , IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, Vol: E86-A, Pages: 2203-2208, ISSN: 0916-8508

    This paper investigates the use of chaotic pulsewidth modulation (CPWM) scheme for electronic ballasts to eliminate visible striations (appearance of black and white bands along the lamp tube) in fluorescent lamps. As striations can be eliminated by superimposing a small amount of dc current or low frequency ac current to the electrodes to produce composite current waveform through the lamp, the underlying principle of this work is based on the fact that the power spectral density of the lamp current will be rich of low-frequency harmonics at the output of inverters switching with CPWM. Most importantly, the lamp life will not be affected with chaotic switchings, because the lamp current crest factor is found to be similar to the one with standard pulsewidth modulation (PWM) and the lamp current does not have dc component. The effectiveness of eliminating striations is confirmed experimentally with a T8 36W prototype.
  • Conference paper
    Chisci L, Falugi P, Zappa G, 2003,

    Tracking of piecewise constant references for constrained nonlinear systems

    , Pages: 886-891

    © 2003 EUCA. The paper addresses tracking of a piecewise constant reference for a nonlinear system subject to control and/or state constraints. The proposed controller, called dual-mode, extends to the nonlinear case an approach formerly introduced for linear systems. The dual-mode controller is based on the knowledge of the set of feasible state-setpoint pairs and operates in two different modes: as a regulator if the current state is feasible for the desired set-point, or attempts to recover feasibility as quickly as possible whenever feasibility is lost due to a set-point change. The difficulty of constructing the feasibility set in the state-setpoint space for a nonlinear system is overcome by embedding the original system into a family of uncertain (polytopic) linear systems.
  • Journal article
    Prodanovic M, Green TC, 2003,

    Control and filter design of three-phase inverters for high power quality grid connection

    , IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol: 18, Pages: 373-380, ISSN: 0885-8993
    • Cite
    • Citations: 187
  • Conference paper
    Papakos V, Jaimoukha IM, 2003,

    A deflated implicitly restarted Lanczos algorithm for model reduction

    , New York, 42nd IEEE conference on decision and control, Maui, HI, 9 - 12 December 2003, Publisher: IEEE, Pages: 2902-2907
  • Journal article
    Lee SST, Chung HSH, Hui SYR, 2003,

    A comparative study of random switching schemes for eliminating visible striations in fluorescent lamps

    , PESC'03: 2003 IEEE 34TH ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-4, CONFERENCE PROCEEDINGS, Pages: 1006-1011, ISSN: 0275-9306
  • Journal article
    Lee SST, Chan S, Chung HSH, Hui SYRet al., 2003,

    Use of saturable inductor to improve the dimming characteristics of frequency-controlled dimmable electronic ballasts

    , PESC'03: 2003 IEEE 34TH ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-4, CONFERENCE PROCEEDINGS, Pages: 988-993, ISSN: 0275-9306
  • Journal article
    Qiu DY, Hui SY, Chung SH, 2003,

    Parameter monitoring of high-frequency electronically operated discharge lamp systems

    , PESC'03: 2003 IEEE 34TH ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-4, CONFERENCE PROCEEDINGS, Pages: 1341-1346, ISSN: 0275-9306
  • Journal article
    Lee CK, Leung JSK, Hui SYR, Chung HSHet al., 2003,

    Circuit-level comparison of STATCOM technologies

    , PESC'03: 2003 IEEE 34TH ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-4, CONFERENCE PROCEEDINGS, Pages: 1777-1784, ISSN: 0275-9306
  • Journal article
    Leung KKS, Chung HSH, Hui SYR, 2003,

    Use of state trajectory prediction in hysteresis control for achieving fast transient response of the buck converter

    , PROCEEDINGS OF THE 2003 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL III, Pages: 439-442
  • Journal article
    Hernandez-Aramburo CA, Green TC, Smith AC, 2003,

    Estimating rotational iron losses in an induction machine

    , IEEE Transactions on Magnetics, Vol: 39, Pages: 3527-3533, ISSN: 0018-9464
  • Conference paper
    Rakovic SV, Kerrigan EC, Mayne DQ, 2003,

    Reachability computations for constrained discrete-time systems with state- and input-dependent disturbances

    , New York, 42nd IEEE conference on decision and control, Maui, HI, 9 - 12 December 2003, Publisher: IEEE, Pages: 3905-3910
  • Journal article
    Arutyunov A, Vinter RB, 2003,

    The method of finite approximations in optimal control theory

    , Differential Equations, Vol: 39, Pages: 1443-1451, ISSN: 0012-2661
  • Conference paper
    Sharp R, Evangelou S, Limebeer DJN, 2003,

    Improved modelling of motorcycle dynamics (Article no.MB2003-029)

    , Lisbon, ECCOMAS Thematic Conference, Multibody Dynamics 2003, 1 - 4 July 2003, Lisbon, Portugal, Publisher: IDMEC, Pages: 1-26
  • Conference paper
    Ortega R, Astolfi A, Hsu L, 2003,

    An immersion and invariance approach to model reference adaptive control

    , 22nd Chinese control conference, 11 - 14 August 2003, Yichang, Hubei, China, Pages: 685-689
  • Conference paper
    Sirisumrannukul S, Strbac G, 2003,

    A tool for trading in power exchanges under the new electricity trading arrangement

    , IEEE Power Tech Conference Proceedings, 23 - 26 June 2003, Bologna, Italy, Publisher: IEEE
  • Conference paper
    Greatbanks JA, Popovic DH, Begovic M, Pregelj A, Green TCet al., 2003,

    On optimization for security and reliability of power systems with distributed generation

    , Bologna, Italy, 2003 IEEE Bologna PowerTech, Bologna, Italy, 23 - 26 June 2003, Publisher: IEEE, Pages: 1-8
  • Conference paper
    Rakovic SV, Kerrigan EC, Mayne DQ, 2003,

    Reachability computations for constrained discrete-time systems with state- and input-dependent disturbances

    , New York, 42nd IEEE conference on decision and control, Maui, HI, 9 - 12 December 2003, Publisher: IEEE, Pages: 3905-3910
  • Journal article
    Hernandez-Aramburo CA, Green TC, Smith S, 2003,

    Assessment of power losses of an inverter-driven induction machine with its experimental validation

    , IEEE Transactions on Industry Applications, Vol: 39, Pages: 994-1004, ISSN: 0093-9994
  • Conference paper
    Lovera M, Astolfi A, 2003,

    Global magnetic attitude control of spacecraft in the presence of gravity gradient

    , New York, 42nd IEEE conference on decision and control, Maui, HI, 9 - 12 December 2003, Publisher: IEEE, Pages: 2722-2727
  • Conference paper
    Pannocchia G, Kerrigan EC, 2003,

    Offset-free control of constrained linear discrete-time systems subject to persistent unmeasured disturbances

    , New York, 42nd IEEE conference on decision and control, 9 - 12 December 2003, Maui, Hawaii, USA, Publisher: IEEE, Pages: 3911-3916
  • Conference paper
    Liang J, Green TC, Weiss G, Zhong QCet al., 2003,

    Decoupling control of the active and reactive power for a three-phase inverter

    , Proceedings of the European control conference, Cambridge, UK, September 2003
  • Journal article
    Galbraith GN, Vinter RB, 2003,

    Lipschitz continuity of optimal controls for state constrained problems

    , SIAM J CONTROL OPTIM, Vol: 42, Pages: 1727-1744, ISSN: 0363-0129

    This paper provides new conditions under which optimal controls are Lipschitz continuous for dynamic optimization problems with functional inequality constraints, a control constraint expressed in terms of a general closed convex set and a coercive cost function. It is shown that the linear independence condition on active state constraints, present in the earlier literature, can be replaced by a less restrictive, positive linear independence condition that requires linear independence merely with respect to nonnegative weighting parameters. Smoothness conditions on the data, imposed in earlier work, are also relaxed. The new conditions for Lipschitz continuity of optimal controls are obtained by a detailed analysis of the implications of first order optimality conditions in the form of a nonsmooth maximum principle.
  • Conference paper
    Chaudhuri B, Pal BC, 2003,

    Robust damping of inter-area oscillations through controllable phase shifters using global signals

    , New York, IEEE-Power-Engineering-Society general meeting, Toronto, Canada, 13 - 17 July 2003, Publisher: IEEE, Pages: 1673-1679
  • Conference paper
    Kerrigan EC, Maciejowski JM, 2003,

    Robustly stable feedback min-max model predictive control

    , Annual American Control Conference (ACC 2003), DENVER, COLORADO, Publisher: IEEE, Pages: 3490-3495
  • Conference paper
    Grenard S, Strbac G, 2003,

    Effect of regulation on distribution companies investment policies in the UK

    , IEEE Power Tech Conference Proceedings, 23 - 26 June 2003, Bologna, Italy, Publisher: IEEE
  • Conference paper
    Melovic D, Strbac G, 2003,

    Statistical model for design of distribution network

    , IEEE Power Tech Conference Proceedings, 23 - 26 June 2003, Bologna, Italy, Publisher: IEEE
  • Conference paper
    Rodriguez H, Astolfi A, Ortega R, 2003,

    Adaptive partial state feedback stabilization of a class of electromechanical systems via immersion and invariance

    , American control conference, Denver, CO, Publisher: IEEE, Pages: 3293-3298

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