Robust control of a class of nonlinear servomechanism problem

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Robust control of a class of nonlinear servomechanism problem

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© The Institution of Electrical Engineers
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A set of sufficient conditions for a robust control of a nonlinear process consisting of memoryless time-varying nonlinearities is obtained by extending the results of the linear servomechanism problem. The robust controller consists of an error-driven servocompensator, containing the modes of all the endogenous (system states) and exogenous (reference and disturbance) signals present in the system, and a stabiliser.

Inspec keywords: time-varying systems; nonlinear control systems; servomechanisms; control system synthesis; stability

Other keywords: stabiliser; robust control; nonlinear servomechanism problem; memoryless time-varying nonlinearities; error-driven servocompensator

Subjects: Nonlinear control systems; Control system analysis and synthesis methods; Stability in control theory; Time-varying control systems

References

    1. 1)
      • E.J. Davison . The robust control of a servomechanism problem for linear time-invariant multivariable systems. IEEE Trans. , 25 - 34
    2. 2)
      • C.A. Desoer , Y.T. Wang . (1977) , Linear time-invariant robust servomechanism problem: A self-contained exposition.
    3. 3)
      • Desoer, C.A., Wang, Y.T.: `The robust non-linear servo-mechanism problem', IEEE conference on decision and control, January 1979, .
http://iet.metastore.ingenta.com/content/journals/10.1049/ip-d.1983.0011
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