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  • Conference paper
    Zhang Z, Jaimoukha IM, 2009,

    Fault detection and isolation for linear discrete-time systems using input/output measurement analysis

    , IEEE Conference on Decision and Control, Publisher: IEEE, Pages: 4908-4913, ISSN: 0191-2216

    In this work, a new approach to fault detection and isolation is proposed for linear discrete-time systems subject to faults and bounded additive disturbances using a system model, together with input/output measurements over a finite estimation horizon. We use the proposed method to compute upper and lower bounds on the faults. These bounds are the tightest possible given the system model, input/output measurements and the bounds on the initial state and disturbances. Linear programming optimization techniques are used to obtain the bounds. Moreover, a subsequent-state-estimation technique, together with an estimation horizon update procedure are given to allow the fault detection and isolation process to be repeated in an iterative procedure. Finally, the approach is verified using a numerical example.
  • Journal article
    Costa EF, Astolfi A, 2009,

    PARTIAL STABILITY FOR A CLASS OF NONLINEAR SYSTEMS

    , SIAM JOURNAL ON CONTROL AND OPTIMIZATION, Vol: 47, Pages: 3203-3219, ISSN: 0363-0129
  • Conference paper
    Pin G, Parisini T, 2009,

    Stabilization of Networked Control Systems by Nonlinear Model Predictive Control: A Set Invariance Approach

    , International Workshop on Assessment and Future Directions of Nonlinear Model Predictive Control, Publisher: SPRINGER-VERLAG BERLIN, Pages: 195-204, ISSN: 0170-8643
  • Conference paper
    Pin G, Parisini T, 2009,

    Networked Predictive Control of Constrained Nonlinear Systems: Recursive Feasibility and Input-to-State Stability Analysis

    , American Control Conference 2009, Publisher: IEEE, Pages: 2327-2334, ISSN: 0743-1619
  • Conference paper
    Lopes AR, Shahzad A, Constantinides GA, Kerrigan ECet al., 2009,

    More FLOPS or More Precision? Accuracy Parameterizable Linear Equations Solvers for Model-Predictive Control
  • Conference paper
    Moreno R, Konstantinidis V, Pudjianto D, Strbac Get al., 2009,

    The New Transmission Arrangements in the UK

    , General Meeting of the IEEE-Power-and-Energy-Society, Publisher: IEEE, Pages: 2797-2803, ISSN: 1944-9925
  • Conference paper
    McDonald JDF, Pal BC, Lang PD, 2009,

    Significance of an Operational Measure of Distribution Network Reliability

    , General Meeting of the IEEE-Power-and-Energy-Society, Publisher: IEEE, Pages: 3935-3942, ISSN: 1944-9925
  • Conference paper
    Simfukwe D, Pal BC, Begovic M, Divan D, Song Yet al., 2009,

    Control of power system static stability using distributed static series compensators

    , General Meeting of the IEEE-Power-and-Energy-Society, Publisher: IEEE, Pages: 3994-3999, ISSN: 1944-9925
  • Conference paper
    Ahmadi AR, Green TC, 2009,

    Optimal Power Flow for Autonomous Regional Active Network Management System

    , General Meeting of the IEEE-Power-and-Energy-Society, Publisher: IEEE, Pages: 4536-4542, ISSN: 1944-9925
  • Conference paper
    He C, Arora A, Kiziroglou ME, Yates DC, O'Hare D, Yeatman EMet al., 2009,

    MEMS Energy Harvesting Powered Wireless Biometric Sensor

    , Wearable and Implantable Body Sensor Networks, 2009. BSN 2009. Sixth International Workshop on, Pages: 207-212

    One of the main challenges in developing wireless biometric sensors is the requirement for integration of various systems into a very compact device. Such systems include sensing units, conditioning electronics, transmitters and power supplies. In this work, a novel system integration architecture is presented. A unique feature of this new architecture is that the sub-systems are selected and designed for direct output-to-input connection. An array of active pH sensors is used to transform a pH level to an electrical potential in the range of 0 - 2 Volts. This signal is amplified by an electrostatic energy harvester suitable for human motion operation. The amplified signal drives a custom LC transmitter specially designed to suit the harvester output. A system of notable simplicity is achieved and may serve as a demonstrator for other wireless sensors.
  • Conference paper
    Moreno R, Vasilakos C, Pudjianto D, Strbac Get al., 2009,

    A Cost-Benefit Approach for Transmission Investment with a Non-Linear Transmission Cost Function

    , Bucharest PowerTech Conference, Publisher: IEEE, Pages: 2387-2390
  • Conference paper
    Clarke FH, Vinter RB, 2009,

    Stability analysis of sliding-mode feedback control

    , Conference on 50 Years of Optimal Control, Publisher: POLISH ACAD SCIENCES SYSTEMS RESEARCH INST, Pages: 1169-1192, ISSN: 0324-8569
  • Conference paper
    Moreno R, Vasilakos C, Castro M, Pudjianto D, Strbac Get al., 2009,

    Impact of Wind Generation Intermittency on Transmission Expansion Models

    , CIGRE/IEEE PES Joint Symposium on Integration of Wide-Scale Renewable Resources into the Power Delivery System, Publisher: IEEE, Pages: 110-116
  • Conference paper
    Pezzini P, Gomis-Bellmunt O, Gonzalez-de-Miguel C, Junyent-Ferre A, Sudria-Andreu Aet al., 2009,

    FACTS location using Genetic Algorithm to increase energy efficiency in distribution networks

    , 13th European Conference on Power Electronics and Applications (EPE 2009), Publisher: IEEE, Pages: 1308-1315
  • Conference paper
    Gomis-Bellmunt O, Junyent-Ferre A, Sumper A, Sudria-Andreu A, Mata M, Sala Met al., 2009,

    Control of a doubly-fed induction generator under unbalanced conditions considering the converter limits

    , 13th European Conference on Power Electronics and Applications (EPE 2009), Publisher: IEEE, Pages: 1718-+
  • Conference paper
    Mata-Dumenjo M, Sanchez-Navarro J, Rossetti M, Junyent-Ferre A, Gomis-Bellmunt Oet al., 2009,

    Integrated Simulation of a Doubly Fed Induction Generator Wind Turbine

    , 13th European Conference on Power Electronics and Applications (EPE 2009), Publisher: IEEE, Pages: 3572-+
  • Conference paper
    Valsera-Naranjo E, Sumper A, Gomis-Bellmunt O, Junyent-Ferre A, Martinez-Rojas Met al., 2009,

    Design of a pitch control of a wind turbine to improve system frequency response

    , 13th European Conference on Power Electronics and Applications (EPE 2009), Publisher: IEEE, Pages: 3978-+
  • Conference paper
    Jones BL, Kerrigan EC, 2009,

    When is the discretization of a PDE good enough for control?

    , IEEE International Conference on Control and Automation, Publisher: IEEE, Pages: 133-+, ISSN: 1948-3449
  • Conference paper
    Laila DS, Larsson M, Pal BC, Korba Pet al., 2009,

    Nonlinear damping computation and envelope detection using Hilbert transform and its application to power systems wide area monitoring

    , 2009 IEEE Power and Energy Society General Meeting
  • Conference paper
    Walton C, Green T, Woods T, 2008,

    Supergen futurenet and flexnet

    The paper outlines the work and conclusions of the four year Supergen FutureNet consortium of eight UK universities and many industrial sponsors that concluded in summer 2007. It then sets out the research program and objectives of the follow-on four year £7m FlexNet consortium and its implications for Smart Grids.
  • Conference paper
    Falugi P, Olaru S, Dumur D, 2008,

    Robust multi-model predictive control using LMIs

    , ISSN: 1474-6670

    This paper proposes a novel robust predictive control synthesis technique for constrained nonlinear systems based on linear matrix inequalities (LMIs) formalism. Local discrete-time polytopic models have been exploited for prediction of the system behavior. This design strategy can be applied to a wide class of nonlinear systems provided a suitable embedding is available. The devised procedure guarantees constraint satisfaction and asymptotic stability. The proposed result extends previous works by allowing different local descriptions of nonlinearity and uncertainty and by handling less conservative input constraints. The multimodel prediction shows significant improvements in terms of closed-loop performance and estimation of the feasibility domain. Copyright © 2007 International Federation of Automatic Control All Rights Reserved.
  • Journal article
    Strbac G, 2008,

    Demand side management: Benefits and challenges

    , ENERGY POLICY, Vol: 36, Pages: 4419-4426, ISSN: 0301-4215
  • Journal article
    Ortega R, van der Schaft A, Castanos F, Astolfi Aet al., 2008,

    Control by Interconnection and Standard Passivity-Based Control of Port-Hamiltonian Systems

    , IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 53, Pages: 2527-2542, ISSN: 0018-9286
    • Cite
    • Citations: 253
  • Journal article
    Astolfi A, Karagiannis D, Ortega R, 2008,

    Towards applied nonlinear adaptive control

    , ANNUAL REVIEWS IN CONTROL, Vol: 32, Pages: 136-148, ISSN: 1367-5788
  • Conference paper
    Xu Z, Green T, 2008,

    A Singular Value Decomposition Approach to Similarity Evaluation Between Servo Loops of CNC Machine Tools

    , ASME International Mechanical Engineering Congress and Exposition, Publisher: ASME, ISSN: 1087-1357
  • Journal article
    Karagiannis D, Carnevale D, Astolfi A, 2008,

    Invariant Manifold Based Reduced-Order Observer Design for Nonlinear Systems

    , IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 53, Pages: 2602-2614, ISSN: 0018-9286
  • Journal article
    Angeli D, Bliman P-A, 2008,

    Tight estimates for convergence of some non-stationary consensus algorithms

    , SYSTEMS & CONTROL LETTERS, Vol: 57, Pages: 996-1004, ISSN: 0167-6911
  • Journal article
    Gomis-Bellmunt O, Junyent-Ferre A, Sumper A, Bergas-Jane Jet al., 2008,

    Ride-Through Control of a Doubly Fed Induction Generator Under Unbalanced Voltage Sags

    , IEEE TRANSACTIONS ON ENERGY CONVERSION, Vol: 23, Pages: 1036-1045, ISSN: 0885-8969
  • Journal article
    Evangelou S, Limebeer DJN, Rodriguez MT, 2008,

    Influence of Road Camber on Motorcycle Stability

    , JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME, Vol: 75, ISSN: 0021-8936
  • Journal article
    Pudjianto D, Ramsay C, Strbac G, 2008,

    Microgrids and virtual power plants: concepts to support the integration of distributed energy resources

    , PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, Vol: 222, Pages: 731-741, ISSN: 0957-6509

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