Sliding-Mode Observers

  • Christopher Edwards
  • Sarah K. Spurgeon
  • Chee P. Tan
  • Nitin Patel
Part of the Lecture Notes in Control and Information Sciences book series (LNCIS, volume 367)


The focus of much of the research in the area of control systems theory during the seventies and eighties addressed the issue of robustness - i.e., designing controllers with the ability to maintain stability and performance in the presence of discrepancies between the plant and model. One nonlinear approach to robust controller design which emerged during this period is the Variable Structure Control Systems methodology. Variable Structure Control Systems evolved from the pioneering work in Russia of Emel’yanov and Barbashin in the early 1960’s. The ideas did not appear outside the Soviet Union until the mid 1970’s when a book by Itkis [20] and a survey paper by Utkin [29] were published in English. Variable structure systems concepts have subsequently been utilized in the design of robust regulators, model-reference systems, adaptive schemes, tracking systems and state observers. The ideas have successfully been applied to problems as diverse as automatic flight control, control of electrical motors, chemical processes, helicopter stability augmentation, space systems and robotics [12, 23, 28, 30].


Switching Function State Estimation Error Lyapunov Matrix Invariant Zero Robust Controller Design 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer London 2007

Authors and Affiliations

  • Christopher Edwards
    • 1
  • Sarah K. Spurgeon
    • 1
  • Chee P. Tan
    • 2
  • Nitin Patel
    • 1
  1. 1.University of Leicester, University Road, Leicester, LE1 7RH 
  2. 2.Monash University Malaysia, 46150 Petaling JayaMalaysia

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