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Conference paperChaudhuri B, Korba P, Pal BC, 2004,
Damping controller design through simultaneous stabilization technique
, World automation congress, Seville, 28 June - 1 July 2004, Pages: 1-8 -
Conference paperGalaz M, Astolfi A, Ortega R, 2004,
Global transient stabilization of power systems with transfer conductances
, XI Congreso Latinoamericano de Control Automatico, 10 - 15 May 2004, Habana, Cuba -
Conference paperGalaz M, Ortega R, Astolfi A, et al., 2004,
Transient stabilization of multimachine power systems with nontrivial transfer conductances
, IFAC symposium on nonlinear control systems, Pages: 1313-1318, ISSN: 0178-2312 -
Conference paperKaliora G, Jiang ZP, Astolfi A, 2004,
Output feedback stabilization and restricted tracking for cascaded systems with bounded control
, New York, American control conference, Boston, MA, 30 June - 2 July 2004, Publisher: IEEE, Pages: 2391-2396 -
Conference paperAcosta JA, Ortega R, Astolfi A, 2004,
Position-feedback stabilization of mechanical systems with underactuation degree one
, IFAC symposium on nonlinear control systems, Pages: 1265-1270, ISSN: 0178-2312 -
Conference paperChaudhuri B, Pal B, 2004,
Robust damping of multiple swing modes employing global stabilizing signals with a TCSC (Meeting abstract)
, Denver, CO, USA, 2004 IEEE Power Engineering Society general meeting, 6 - 10 June 2004, Publisher: IEEE, Pages: 1709-1709 -
Conference paperAstolfi A, Colaneri P, 2004,
The static output feedback stabilization problem as a concave-convex programming problem
, New York, American control conference, Boston, MA, 30 June - 2 July 2004, Publisher: IEEE, Pages: 2139-2141 -
Conference paperEvangelou S, Limebeer DJN, Sharp RS, et al., 2004,
Steering compensation for high-performance motorcycles
, Proceedings of the 43rd conference on decision and control; CDC 43, Nassau, Bahamas, Publisher: IEEE, Pages: 749-754 -
Conference paperKerrigan EC, Maciejowski JM, 2004,
Properties of a new parameterization for the control of constrained systems with disturbances
, American Control Conference, 30 June - 2 July 2004, Boston, MA, Publisher: IEEE, Pages: 4669-4674 -
Conference paperKaragiannis D, Astolfi A, 2004,
Adaptive identification and control of continuous-time linear systems
, IFAC workshop on adaptation and learning in control and signal processing, Pages: 573-578 -
Conference paperLuis D, Astolfi A, Kershenbaum L, 2004,
Design of a nonlinear robust controller for an exothermic reaction system
, European symposium on computer aided process engineering (Escape 14) -
Book chapterRodriguez H, Astolfi A, Ortega R, 2004,
On the control of a class of electromechanical systems
, Lagrangian and Hamiltonian methods for nonlinear control : a proceedings volume from the 2nd IFAC Workshop, Seville, Spain, 3-5 April, 2003, Editors: Astolfi, Gordillo, Schaft, Publisher: Elsevier, Pages: 165-170, ISBN: 9780080442785 -
Conference paperLaiou MC, Astolfi A, 2004,
Local transformations to generalized chained forms
, 16th international symposium on mathematical theory of networks and systems (MTNS 2004) -
Conference paperAnaparthi KK, Pal BC, 2004,
Coprime factorization approach to multi-input PSS design for damping SSR and local modes
, New York, International conference on power system technology (POWERCON 2004), Singapore, Singapore, 21 - 24 November 2004, Publisher: IEEE, Pages: 684-689 -
Conference paperMitcheson PD, Miao P, Stark BH, et al., 2004,
MEMS electrostatic micropower generator for low frequency operation
, Publisher: Elsevier, Pages: 523-529, ISSN: 0924-4247This paper describes the analysis, simulation and testing of a microengineered motion-driven power generator, suitable for application in sensors within or worn on the human body. Micro-generators capable of powering sensors have previously been reported, but these have required high frequency mechanical vibrations to excite a resonant structure. However, body-driven movements are slow and irregular, with large displacements, and hence do not effectively couple energy into such generators. The device presented here uses an alternative, non-resonant operating mode. Analysis of this generator shows its potential for the application considered, and shows the possibility to optimise the design for particular conditions. An experimental prototype based on a variable parallel-plate capacitor operating in constant charge mode is described which confirms the analysis and simulation models. This prototype, when precharged to 30 V, develops an output voltage of 250 V, corresponding to 0.3 μJ per cycle. The experimental test procedure and the instrumentation are also described.
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Conference paperPetropoulos T, Yeatman EM, Mitcheson PD, 2004,
MEMS coupled resonators for power generation and sensing
, Micromechanics Europe, Leuven, Belgium, 5 - 7 September 2004, Pages: 261-264 -
Conference paperChaudhuri B, Korba P, Pal BC, 2004,
Damping controller design through simultaneous stabilization technique
, World automation congress, Seville, 28 June - 1 July 2004, Pages: 1-8 -
Conference paperKaliora G, Astolfi A, 2004,
On the stabilization of feedforward systems with bounded control
, IFAC symposium on nonlinear control systems, Pages: 179-184, ISSN: 0178-2312 -
Conference paperHernandez-Aramburo CA, Green TC, 2004,
Fuel consumption minimisation of a micro-grid
, New York, 39th annual meeting of the Industry-Applications-Society, Seattle, WA, 3 - 7 October 2004, Publisher: IEEE, Pages: 2063-2068 -
Journal articleAndersson G, Green T, Pal B, et al., 2004,
Advanced FACTS control
, ABB Review, Vol: 4, Pages: 21-26, ISSN: 1013-3119FACTS devices – power electronics based devices for controlling var compensation and power flow in electricity supply networks – require specific control algorithms in order for their benefits to be realized in a broad portfolio of applications. To gain the benefits that can arise from the use of more than one FACTS device within a specific network area, ABB has initiated a joint project with the Swiss Federal Institute of Technology and Imperial College London. The project sets out to answer, in an industrially applicable way, questions that arise when coordinating wide area control for power flow control and damping of oscillations
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Conference paperShafiu A, Bopp T, Chilvers I, et al., 2004,
Active managment and protection of distribution networks with distributed generation
, General meeting of the IEEE Power Engineering Society, Denver, CO, Publisher: IEEE; 2004, Pages: 1098-1103 -
Conference paperRakovic SV, Grieder P, Kvasnica M, et al., 2004,
Computation of invariant sets for piecewise affine discrete time systems subject to bounded disturbances
, New York, 43rd IEEE conference on decision and control, Nassau, Bahamas, DEC 14 - 17 December 2004, Publisher: IEEE, Pages: 1418-1423 -
Conference paperEvangelou S, Limebeer DJN, Sharp RS, et al., 2004,
Steering compensation for high-performance motorcycles (online)
, Bath, Control 2004, 6 - 9 September 2004, University of Bath, UK, Publisher: -, Pages: 1-5 -
ReportAllan R, Strbac G, Djapic P, et al., 2004,
Developing the P2/6 Methodology
, Manchester, Publisher: University of Manchester, DG/CG/00023/REP, URN 04/1065 DTI -
Conference paperChaudhuri B, Pal B, 2004,
Robust damping of multiple swing modes employing global stabilizing signals with a TCSC (Meeting abstract)
, Denver, CO, USA, 2004 IEEE Power Engineering Society general meeting, 6 - 10 June 2004, Publisher: IEEE, Pages: 1709-1709 -
Conference paperKaragiannis D, Jiang ZP, Ortega R, et al., 2004,
Output feedback stabilization of a class of uncertain nonlinear systems
, New York, American control conference, Boston, MA, 30 June - 2 July 2004, Publisher: IEEE, Pages: 3683-3688 -
Conference paperLovera M, Astolfi A, 2004,
Global magnetic attitude control of spacecraft
, 43rd conference on decision and control; CDC 43, Nassau, Bahamas, Publisher: IEEE, Pages: 267-272 -
Conference paperAcosta JA, Ortega R, Astolfi A, 2004,
Interconnection and damping assignment passivity-based control of mechanical systems with underactuation degree one
, New York, American control conference, Boston, MA, 30 Jun - 2 July 2004, Publisher: IEEE, Pages: 3029-3034 -
Journal articleLee STS, Chung HSH, Hui SYR, 2003,
An Electrode Power Control Scheme for Dimmable Electronic Ballasts
, IEEE Transactions on Industrial Electronics, Vol: 50, Pages: 1335-1337, ISSN: 0278-0046A novel electrode power control scheme for dimmable ballasts is proposed. Dimming of the fluorescent lamp and control of electrode power are achieved by simultaneously adjusting the dc-link voltage and the switching frequency of the output inverter. The electrode power is derived by considering the near-orthogonal property of the lamp current and the resonant tank circuit current.
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Journal articleTam PW, Lee TS, Hui SYR, et al., 2003,
Practical Evaluation of Dimming Control Methods for Electronic Ballasts
, Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), Vol: 2, Pages: 799-804, ISSN: 0197-2618The authors compare and evaluate (i) the traditional frequency-control dimming method and (ii) a recently-patented voltage-control dimming method in electronic ballasts for fluorescent lamps. The power factor, energy efficiency, electronic loss, lux/Watt and crest factor of 2×36W electronic ballasts based on these two dimming methods are recorded and compared over a wide dimming range. It is found that the voltage dimming control approach is much better than the frequency control method in most of the compared aspects as the lamp is dimmed. In particular, voltage dimming approach has much higher energy efficiency and lux per watt than the frequency control one. Unlike frequency dimming method, voltage dimming control has a distinctive feature that its electronic loss decreases with. decreasing lamp power.
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