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  • Journal article
    Zhang J, Chung HSH, Lo WL, Hui SY, Wu AKMet al., 2001,

    , IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol: 16, Pages: 752-763, ISSN: 0885-8993
    • Cite
    • Citations: 53
  • Journal article
    Ho YKE, Lee STS, Chung HSH, Hui SYRet al., 2001,

    , IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol: 16, Pages: 828-836, ISSN: 0885-8993
    • Cite
    • Citations: 71
  • Journal article
    Curcic S, Strbac G, Zhang XP, 2001,

    Effect of losses in design of distribution circuits

    , Generation, Transmission and Distribution, IEE Proceedings, Vol: 148, Pages: 632-642, ISSN: 1350-2360
  • Journal article
    Soto-Sanchez DE, Green TC, 2001,

    , IEEE TRANSACTIONS ON POWER DELIVERY, Vol: 16, Pages: 732-738, ISSN: 0885-8977
    • Cite
    • Citations: 35
  • Journal article
    Yan W, Ho YKE, Hui SYR, 2001,

    , IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, Vol: 37, Pages: 1522-1530, ISSN: 0093-9994
    • Cite
    • Citations: 65
  • Journal article
    El-Zobaidi HMH, Jaimoukha IM, Limebeer DJN, 2001,

    , IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 46, Pages: 1477-1483, ISSN: 0018-9286
  • Journal article
    Baglietto M, Parisini T, Zoppoli R, 2001,

    , IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 46, Pages: 1471-1477, ISSN: 0018-9286
    • Cite
    • Citations: 36
  • Journal article
    Zhang XD, Polycarpou M, Parisini T, 2001,

    , INTERNATIONAL JOURNAL OF CONTROL, Vol: 74, Pages: 1295-1310, ISSN: 0020-7179
    • Cite
    • Citations: 33
  • Journal article
    Angeli D, Ne拧i膰 D, 2001,

    , IEEE Transactions on Automatic Control, Vol: 46, Pages: 1298-1303, ISSN: 0018-9286

    New notions of external stability for nonlinear systems are introduced, making use of average powers as signal norms and comparison functions as in the input-to-state stability (ISS) framework. Several new characterizations of ISS and integral ISS are presented in terms of the new notions. An example is discussed to illustrate differences and similarities of the newly introduced properties.
  • Journal article
    Pal BC, Coonick AH, Cory BJ, 2001,

    , INT Journal of ELECTRICAL POWER AND ENERGY SYSTEMS, Vol: 23, Pages: 481-489, ISSN: 0142-0615

    This paper describes the merits of robust damping controllers designed using a Linear Matrix Inequality (LMI) approach as compared to conventional Root-locus technique. The design in both methods aims at improving the damping of inter-area modes employing two small superconducting magnetic energy storage (SMES) devices. The LMI based control ensures adequate damping for widely varying system operating conditions and is compared with that obtained by the root-locus technique. It is shown that the LMI based approach has advantages over root-locus based control for the same control effort. (C) 2001 Elsevier Science Ltd. All rights reserved.
  • Journal article
    Parisini T, Sacone S, 2001,

    , AUTOMATICA, Vol: 37, Pages: 1279-1292, ISSN: 0005-1098
    • Cite
    • Citations: 18
  • Journal article
    Angeli D, 2001,

    , Automatica, Vol: 37, Pages: 1103-1108, ISSN: 0005-1098

    Continuous state feedback laws are presented for "almost" global stabilization of the planar inverted pendulum on a cart. The synthesis is carried out exploiting energy-shaping techniques and a suitable smooth switching between positive and negative feedback. Some of the employed ideas could be possibly generalized to the problem of stabilization of systems with multiple equilibrium points. © 2001 Elsevier Science Ltd.
  • Journal article
    Previdi F, Parisini T, 2001,

    , INTERNATIONAL JOURNAL OF CONTROL, Vol: 74, Pages: 1107-1117, ISSN: 0020-7179
  • Journal article
    Tang SC, Hui SYR, Chung HSH, 2001,

    , IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol: 16, Pages: 493-498, ISSN: 0885-8993
    • Cite
    • Citations: 58
  • Journal article
    Hui SYR, Lee LM, Chung HSH, Ho YKet al., 2001,

    , IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol: 16, Pages: 465-472, ISSN: 0885-8993
    • Cite
    • Citations: 63
  • Journal article
    Williams P, Strbac G, 2001,

    Costing and pricing of electricity distribution services

    , Power Engineering Journal, Vol: 15, Pages: 125-136
  • Journal article
    Tang SC, Hui SY, Chung HSH, 2001,

    , IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol: 16, Pages: 311-315, ISSN: 0885-8993
    • Cite
    • Citations: 31
  • Journal article
    Baglietto M, Parisini T, Zoppoli R, 2001,

    , IEEE TRANSACTIONS ON NEURAL NETWORKS, Vol: 12, Pages: 485-502, ISSN: 1045-9227
    • Cite
    • Citations: 43
  • Journal article
    Chu LW, Lam KS, Tam SC, Hu WJ, Hui SL, Chiu A, Chiu KC, Ng Pet al., 2001,

    , J Clin Endocrinol Metab, Vol: 86, Pages: 1913-1920, ISSN: 0021-972X

    High-dose recombinant human GH (rhGH) has been shown to improve the nutritional status of malnourished older adults. It is uncertain whether low-dose rhGH is effective and whether its effect on nutritional status will lead to any improvement in physical function. There is also no data on the outcome after a short course of rhGH treatment. The objectives of this study were to determine the efficacy of low-dose rhGH treatment for 4 weeks in malnourished elderly patients, its effect on physical functions, and the intermediate term outcome after a 4-week rhGH treatment. The study design was a randomized, placebo-controlled, double-blind trial conducted in a university teaching hospital. The patients were 19 medically stable malnourished elderly subjects. Intervention in the rhGH group was as follows: rhGH (Saizen, Serono, Switzerland) 0.09 IU/kg body weight (BW) 3 times weekly were given together with appropriate dietary intervention as prescribed by the dietitian. In the placebo group, equal volumes of normal saline per kilogram BW were given 3 times weekly together with the dietary intervention. The baseline demographic, anthropometric, nutritional, and hematological variables, measures of physical function, and insulin-like growth factor I levels in both groups were comparable. Compared with the placebo group, the GH-treated group showed a more rapid gain in BW (after 3 weeks, +1.27 +/- 0.36 vs. -0.28 +/- 0.37 kg; P = 0.008), total lean body mass (change after 3 weeks by bio-impedance analysis, +1.45 +/- 0.36 vs. -0.37 +/- 0.48 kg; P = 0.009) and a faster improvement in 5-m walking time (decrease after 4 weeks, 23.79 +/- 9.41 vs. 0.45 +/- 4.62 sec; P = 0.047). The hemoglobin level rose more in the rhGH than the placebo groups (change at 8 weeks, +0.84 +/- 0.34 vs. -0.42 +/- 0.29 g/dL; P = 0.012). Serum albumin level also showed a greater delayed increase in the rhGH group than in the placebo group (change at 8 weeks, +5.1 +/- 0.8 vs. 1.6 +/- 1.2 g/dL; P = 0.023). The
  • Journal article
    Bessis DN, Ledyaev YS, Vinter RB, 2001,

    , NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, Vol: 43, Pages: 861-882, ISSN: 0362-546X
    • Cite
    • Citations: 11
  • Journal article
    Angeli D, Casavola A, Mosca E, 2001,

    , Automatica, Vol: 37, Pages: 151-156, ISSN: 0005-1098

    An analysis is presented on the feasibility issue in command governor (CG) control with deterministic set-membership state estimators for determining the state uncertainty set (SUS), viz. the set of all states which are compatible with measurements and a priori knowledge on the system. It is shown that the recipe of modifying standard receding horizon CG schemes based on the full knowledge of the state is effective provided that the latter is exactly computed at any time. On the contrary, when simple-shaped outer approximations of SUS are exploited for reducing the numerical complexity of the algorithm, loss of solvability or stability may result.
  • Conference paper
    Chisci L, Falugi P, Zappa G, 2001,

    , Pages: 3074-3079

    This paper addresses predictive control of constrained LPV systems. The objective is to optimize nominal performance while guaranteeing robust stability and constraint satisfaction. The latter goal is achieved by exploiting invariant sets and a receding horizon optimization procedure which provides a nonlinear correction to the nominal gain scheduled linear feedback. Feasibility domains for the gain scheduled and predictive controller are evaluated.
  • Journal article
    Di Febbraro A, Parisini T, Sacone S, Zoppoli Ret al., 2001,

    , IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, Vol: 50, Pages: 302-313, ISSN: 0018-9545
    • Cite
    • Citations: 23
  • Journal article
    Tang SC, Hui SYR, Chung H, 2001,

    Evaluation of the shielding effects on printed-circuit- board transformers using ferrite plates

    , PESC 2001: 32ND ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-4, CONFERENCE PROCEEDINGS, Pages: 1919-1925, ISSN: 0275-9306
  • Journal article
    Shrivastava Y, Lee CK, Hui SYR, Chung HSHet al., 2001,

    Comparison of RPWM and PWM space vector switching schemes for 3-level power inverters

    , PESC 2001: 32ND ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-4, CONFERENCE PROCEEDINGS, Pages: 138-145, ISSN: 0275-9306
  • Journal article
    Qiu DY, Yip SC, Chung SHS, Hui SYRet al., 2001,

    On the use of current sensors for control of power converters

    , PESC 2001: 32ND ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-4, CONFERENCE PROCEEDINGS, Pages: 302-307, ISSN: 0275-9306
  • Journal article
    Yip SC, Chung KSH, Hui SYR, 2001,

    A unified control scheme for a bi-directional ac<i>-</i>dc converter with high power quality

    , APEC 2001: SIXTEENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1 AND 2, Pages: 74-80, ISSN: 1048-2334
  • Journal article
    Chung HSH, Tse KK, Hui SYR, Mok CMet al., 2001,

    A novel maximum power point tracker for PV systems

    , APEC 2001: SIXTEENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1 AND 2, Pages: 321-327, ISSN: 1048-2334
  • Conference paper
    Strbac G, 2001,

    Trading electricity and ancillary services in the reformed England and Wales electricity market

    , Winter meeting of the IEEE Power Engineering Society; Wolumbus, OH, Publisher: Institute of Electrical and Electronics Engineers, Pages: 41-44
  • Conference paper
    Kaliora G, Astolfi A, 2001,

    A simple design for the stabilization of a class of cascaded nonlinear systems with bounded control

    , New York, 40th IEEE conference on decision and control, Orlando, Florida, 4 - 7 December 2001, Publisher: IEEE, Pages: 3784-3789

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