State Controller and State Observer

  • Rolf Isermann


The design of the controllers described in the previous chapters was based on input/output models of the processes in form of difference equations or transfer functions, according Fig. 3.16a. Based on these models, input/output controllers could be designed either by parameter-optimization, chapter 5 or by structure-optimization, chapter 6 and 7. In both cases it is assumed that the closed loop is in a steady state before a disturbance occurs.


External Disturbance State Observer State Controller Feedforward Control Manipulate Variable 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1989

Authors and Affiliations

  • Rolf Isermann
    • 1
  1. 1.Institut für RegelungstechnikTechnische Hochschule DarmstadtDarmstadtWest Germany

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