Calculating setpoint range under actuator saturation and stochastic disturbance

Xia, H. and Majecki, P.M. and Ordys, A.W. and Grimble, M.J. (2005) Calculating setpoint range under actuator saturation and stochastic disturbance. In: IEEE International Conference on Control Applications, 2005-08-28 - 2005-08-31. (http://dx.doi.org/10.1109/CCA.2005.1507272)

Abstract

Minimum variance (MV) has been widely used as a benchmark to assess the regulatory performance of control loops. However, due to the physical constraints (saturation) of the actuator, the MV performance cannot be achieved in many cases. In this paper, we investigate the output regulatory performance achievable under actuator saturation. The constrained minimum variance controller is first introduced. The performance of the linear LQG controller under saturation is also discussed. A procedure on how to compute the maximal achievable set-point range under saturation limits is presented. It is believed that with the information on achievable set-point range, the high level optimization can be greatly simplified.

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	37885
  Dates:	Date Event August 2005 Published
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	24 Feb 2012 16:35
  Last modified:	11 Nov 2024 16:19
  URI:	https://strathprints.strath.ac.uk/id/eprint/37885