IEE Proceedings - Control Theory and Applications

Issue 4 • Jul 1999

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Displaying Results 1 - 8 of 8
  • Lyapunov inequality and bounded real lemma for discrete-time descriptor systems

    Publication Year: 1999, Page(s):327 - 331
    Cited by:  Papers (34)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (416 KB)

    A generalised Lyapunov inequality is described which can be reformulated as nonstrict linear matrix inequalities (LMIs), for checking the regularity, impulse immunity, and stability of discrete-time descriptor systems simultaneously. Based on this inequality, a bounded real lemma in nonstrict LMIs is obtained which characterises properties of such descriptor systems, including regularity, impulse-... View full abstract»

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  • Robust regional stability analysis of continuous time-delay systems

    Publication Year: 1999, Page(s):311 - 317
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (488 KB)

    By utilising the matrix measure properties, the authors derive serval robust stability criteria for continuous time-delay systems with time-invariant parameter uncertainties. In particular, considering some required performances, a wedge, a disk, or a strip in the open left half of the complex plane is the stable region of concern. To complete the proof of the proposed results, a certain symmetric... View full abstract»

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  • Mu-synthesis of robust decentralised PI controllers

    Publication Year: 1999, Page(s):289 - 294
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (572 KB)

    A new tuning method for robust decentralised PI controllers is given. The controller tunings are obtained by minimising a robust performance criterion. The cost function to be minimised is derived from the standard μ-synthesis criterion and it takes into account the process uncertainty and the desired performance. A constraint on the variations of the controller outputs can also be added to the... View full abstract»

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  • Orthogonal Lyapunov transformations with some applications to stability studies

    Publication Year: 1999, Page(s):333 - 340
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (660 KB)

    For continuous-time linear time-varying systems, this paper shows how to determine pointwise orthogonal Lyapunov transformations, reveals their advantage over standard Lyapunov transformations for the nonperiodic case, and outlines some potential applications to stability assessment for both linear and nonlinear systems View full abstract»

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  • Neural network enhanced generalised minimum variance self-tuning controller for nonlinear discrete-time systems

    Publication Year: 1999, Page(s):319 - 326
    Cited by:  Papers (18)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (560 KB)

    A neural network enhanced self-tuning controller is presented which combines the attributes of neural network mapping with a generalised minimum variance self-tuning control (STC) strategy. In this way the controller can deal with nonlinear plants, which exhibit features such as uncertainties, nonminimum phase behaviour, coupling effects and may have unmodelled dynamics, and whose nonlinearities a... View full abstract»

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  • Linear predictive control based on approximate input-output feedback linearisation

    Publication Year: 1999, Page(s):295 - 300
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (508 KB)

    The computational burden related to model-based predictive control (MBPC) of constrained nonlinear systems hampers its real-time application. To avoid this, input-output feedback linearisation (IOFL) techniques are used to linearise the process model over a wide operating range. The resulting linear model is then integrated in a linear MBPC scheme allowing for standard linear control techniques to... View full abstract»

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  • Integrated sliding-mode adaptive-robust control

    Publication Year: 1999, Page(s):341 - 347
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (612 KB)

    An integrated adaptive-robust control methodology based on the sliding mode is developed for the control of nonlinear uncertain systems. The new approach possesses the advantages of both adaptive control and robust control, and eliminates the disadvantages of each. It has the ability to learn like an adaptive controller and the ability to handle various uncertainties and reject disturbances like a... View full abstract»

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  • Adaptive dual controller for systems with unmodelled effects

    Publication Year: 1999, Page(s):301 - 309
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (564 KB)

    An adaptive pole placement controller with dual modification is applied to a dynamic plant which is described by an unknown nonlinear model. Stability of the suggested dual controller, applied together with a robust adaptation scheme, is proved for this system. It is demonstrated that after the insertion of the dual controller, the robust adaptive system remains stable. However, some known assumpt... View full abstract»

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Aims & Scope

Published from 1994-2006, IEE Proceedings - Control Theory and Applications contained significant and original contributions on control theory and its applications. It was devoted to control systems in the broadest sense, covering new theoretical results and the applications of new and established control methods.

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