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  • Conference paper
    Mazenc F, Astolfi A, 1998,

    Nonlinear Stabilization of Particular Interconnected Structures

    , 37th Conference on Decision and Control, Tampa, FL
  • Journal article
    Halikias GD, Jaimoukha IM, 1998,

    Hierarchical Optimization in H_infinity

    , IEEE Trans.Automatic Control, Vol: 43, Pages: 1123-1128
  • Conference paper
    Loewen PD, Zheng H, Vinter RB, 1998,

    A Maximum Principle for Problems with Nondifferentiable Data

    , Proc. 37 IEEE Conference on Decision and Control, Tampa, Florida
  • Conference paper
    Antonelli R, Astolfi A, 1998,

    Global temperature stabilization of endothermic reactors with bounded control

    , 6th Mediterranean Control Conference, Alghero, Italy
  • Conference paper
    Laiou C, Astolfi A, 1998,

    Exponential stabilization of high-order chained systems

    , IFAC Symposium on Nonlinear Control System Design, Enschede, The Netherlands
  • Conference paper
    Laiou C, Astolfi A, 1998,

    Underactuated nonlinear systems with nonstabilizable linear approximation: A case study

    , IFAC Workshop on Motion Control, Grenoble, France
  • Conference paper
    Lobo PF, Silva GN, Vinter RB, 1998,

    Necessary Conditions for Optimal Impulsive Control of Differential Inclusions

    , Proc. 37 Decision and Control Conf., Tampa, Florida
  • Conference paper
    Lu Z, Green TC, 1998,

    A study of a soft-switched CCM boost AC/DC converter

    , Power Electronics and Variable-Speed Drives Conference (PEVD 96), IEE Conf. Publ. No. 456, London, U.K, Pages: 662-667
  • Conference paper
    Astolfi A, Menini L, 1998,

    Noninteracting control with stability for Hamiltonian systems

    , IFAC Symposium on Nonlinear Control System Design, Enschede, The Netherlands
  • Conference paper
    Antonelli R, Astolfi A, 1998,

    Global Temperature Stabilization of Continuous Stirred Tank Reactors with Bounded Output Feedback Control

    , Aiche Annual Meeting, Miami
  • Conference paper
    Rapaport A, Astolfi A, 1998,

    Practical L2 disturbance attenuation for nonlinear systems

    , IFAC Symposium on Nonlinear Control System Design, Enschede, The Netherlands
  • Conference paper
    El-Zobaidi H, Jaimoukha IM, 1998,

    Robust Control and Model and Controller Reduction of Linear Parameter Varying Systems

    , Proc 37th IEEE Conference on Decision and Control, Pages: 3015-3020
  • Conference paper
    Antoulas AC, Astolfi A, 1998,

    Optimizing the EV of the data matrix: a case study in non-smooth analysis

    , 37th Conference on Decision and Control, Tampa, FL
  • Conference paper
    Laiou C, Astolfi A, 1998,

    Examples of weak exponential stabilization for nonlinear systems with nonstabilizable linearization

    , 6th Mediterranean Control Conference, Alghero, Italy
  • Journal article
    Hui SYR, Eric Cheng KW, Narayana Prakash SR, 1997,

    A fully soft-switched extended-period quasi-resonant power-factor-correction circuit

    , IEEE Transactions on Power Electronics, Vol: 12, Pages: 922-930, ISSN: 0885-8993

    This paper presents the design criteria, procedure, and implementation of a soft-switched power-factor-correction (PFC) circuit based on the extended-period quasi-resonant (EP-QR) principles. All power electronic devices including switches and diodes in the circuit are fully soft switched. The design method is demonstrated in a prototype circuit. The operating principles are confirmed with computer simulation and experimental results. A comparison of the EP-QR operation and zero-voltage-transition (ZVT) pulse-width modulation (PWM) method, supported with simulation and measurements, is included.
  • Journal article
    Lee YS, Wang SJ, Hui SYR, 1997,

    Modeling, analysis, and application of buck converters in discontinuous-input-voltage mode operation

    , IEEE Transactions on Power Electronics, Vol: 12, Pages: 350-360, ISSN: 0885-8993

    By adding a suitable LC filter to the input of a Buck converter, it is possible to force the converter into discontinuous-input-voltage mode operation. A Buck converter in this mode of operation has useful properties such as power factor correction and soft turn-off switching. The operation, modeling, low-frequency behavior, and application of the converter are studied. Experimental results verifying the theoretical predictions are also presented. © 1997 IEEE.
  • Journal article
    Hui SYR, Fung KK, 1997,

    Fast decoupled simulation of large power electronic systems using new two-port companion link models

    , IEEE Transactions on Power Electronics, Vol: 12, Pages: 462-473, ISSN: 0885-8993

    Algorithms of novel two-port companion link models for fast decoupled simulation are presented. The link models enable a large circuit to be broken down into many small subcircuits for easy circuit formulation and fast simulation. The proposed link algorithms are demonstrated in a converter-fed dc transmission system with a transmission-line length equivalent to 1000 km. Simulation and experimental results from a laboratory setup have confirmed the validity of the link models. Proposed simulations are also found to be faster and more accurate than PSpice simulations in the example. © 1997 IEEE.
  • Journal article
    Hui SYR, Oppermann I, Sathiakumar S, 1997,

    Microprocessor-based random PWM schemes for DC-AC power conversion

    , IEEE Transactions on Power Electronics, Vol: 12, Pages: 253-260, ISSN: 0885-8993

    Two classes of microprocessor-based random PWM (RPWM) real-time schemes for dc-ac power conversion are compared and evaluated. Performance of the RPWM schemes based on the mathematical and logical approaches is examined. The proposed schemes exhibit excellent harmonic content with all low and high-order harmonics suppressed and are suitable for both MOSFET and IGBT inverters. © 1997 IEEE.
  • Journal article
    Hui SYR, Sathiakumar S, Sung KK, 1997,

    Novel random PWM schemes with weighted switching decision

    , IEEE Transactions on Power Electronics, Vol: 12, Pages: 945-952, ISSN: 0885-8993

    A new random pulse-width modulation (RPWM) scheme, which includes a weighted decision switching process, has been developed and tested. The switching strategy can be applied to the entire range of the modulation index. The scheme combines the advantages of the deterministic nature of the standard pulse-width modulation (PWM) schemes, and the nondeterministic spread-spectral characteristic of RPWM schemes. Test results have confirmed the improved spectral performance of the proposed schemes over a standard RPWM scheme at both low- and high-modulation indexes.
  • Journal article
    Mayne DQ, Schroeder WR, 1997,

    Robust time-optimal control of constrained linear systems

    , AUTOMATICA, Vol: 33, Pages: 2103-2118, ISSN: 0005-1098
  • Journal article
    Alessandri A, Parisini T, 1997,

    Nonlinear modeling of complex large-scale plants using neural networks and stochastic approximation

    , IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS PART A-SYSTEMS AND HUMANS, Vol: 27, Pages: 750-757, ISSN: 1083-4427
  • Journal article
    AlHusari MMM, Jaimoukha IM, Limebeer DJN, 1997,

    A descriptor solution to a class of discrete distance problems

    , IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 42, Pages: 1558-1564, ISSN: 0018-9286
  • Journal article
    Hui SYR, Chung H, 1997,

    Parallellism of power converters for automatic power factor correction

    , Electronics Letters, Vol: 33, Pages: 1274-1276, ISSN: 0013-5194

    The modular development of a single-stage AC-DC power converter is described. The converter offers several advantageous features.
  • Journal article
    Halikias GD, Jaimoukha IM, Wilson DA, 1997,

    A numerical solution to the matrix H-2/H-infinity optimal control problem

    , INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL, Vol: 7, Pages: 711-726, ISSN: 1049-8923
  • Journal article
    Astolfi A, 1997,

    Singular H-infinity control for nonlinear systems

    , INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL, Vol: 7, Pages: 727-740, ISSN: 1049-8923
  • Journal article
    Shrivastava Y, Hui SYR, Sathiakumar S, Chung H, Tse KKet al., 1997,

    Effects of continuous noise in randomised switching DC-DC converters

    , Electronics Letters, Vol: 33, Pages: 919-921, ISSN: 0013-5194

    A randomly switched DC-DC converter reduces the magnitude of discrete harmonics but creates continuous noise in the output voltage. Continuous noise within the passband of the output filter is found to induce low-frequency voltage ripple in the converter output. This adverse effect is inherent in all randomised switching schemes and is confirmed by both theory and experiment.
  • Journal article
    Alessandri A, Parisini T, Zoppoli R, 1997,

    Neural approximators for nonlinear finite-memory state estimation

    , INTERNATIONAL JOURNAL OF CONTROL, Vol: 67, Pages: 275-301, ISSN: 0020-7179
  • Journal article
    Zoppoli R, Parisini T, 1997,

    Optimization problems and neural networks

    , AEI AUTOMAZIONE ENERGIA INFORMAZIONE, Vol: 84, Pages: 62-71, ISSN: 0013-6131
  • Conference paper
    Parisini T, 1997,

    Physically accurate nonlinear models for fault detection and diagnosis: The case of a power plant

    , 13th International-Federation-of-Automatic-Control World Congress, Publisher: ELSEVIER SCI LTD, Pages: 97-109, ISSN: 0959-1524
  • Conference paper
    Baglietto M, Parisini T, Zoppoli R, 1997,

    Nonlinear approximations for the solution of team optimal control problems

    , 36th IEEE Conference on Decision and Control, Publisher: IEEE, Pages: 4592-4594, ISSN: 0191-2216

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