Optimal linear feedback control for a class of nonlinear nonquadratic non-gaussian problems

研究成果: Article

7 引文 斯高帕斯(Scopus)

摘要

An optimal linear feedback controller designed for a class of nonlinear stochastic systems with nonquadratic performance criteria by a non-Gaussian approach is presented. The non-Gaussian method is developed through expressing the unknown stationary output density function as a weighted sum of the Gaussian densities with undetermined parameters. With the aid of a Gaussian-sum density, the optimal feedback gain for a control system with complete state information is derived. By assuming that the separation principle is valid for the class of stochastic systems, a nonlinear precomputed-gain filter is then implemented. The method is illustrated by a Duffing-type control system and the performance of a linear feedback controller designed through both quadratic and nonquadratic performance indices is compared.

原文English
頁(從 - 到)568-574
頁數7
期刊Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME
113
發行號4
DOIs
出版狀態Published - 1991 十二月

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Information Systems
  • Instrumentation
  • Mechanical Engineering
  • Computer Science Applications

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