Optimal H2and H∞LQ stochastic feedforward control
作者:
ALESSANDRO CASAVOLA,
期刊:
International Journal of Control
(Taylor Available online 1992)
卷期:
Volume 56,
issue 3
页码: 703-713
ISSN:0020-7179
年代: 1992
DOI:10.1080/00207179208934336
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
This paper deals with the solution of the discrete-time LQ stochastic tracking and servo problems for a general system configuration. It is shown that the resultant solution is in the form of a three-degree-of-freedom controller when the vector of the exogeneous signal is extended to include accessible disturbances. In particular, it is shown that a separation property between feedback, reference and accessible disturbance feedforward actions, proved for a two-degree-of-freedom optimal LQ stochastic control scheme, also holds true for the general system configuration here addressed. Further, this separation property can be suitably extended, when a linear control law is assumed, to the minimax LQ stochastic tracking and servo problems.
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