Control design for first-order processes: shaping the probability density of the process state

被引:68
作者
Forbes, MG
Guay, M
Forbes, JF [1 ]
机构
[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2G6, Canada
[2] Queens Univ, Dept Chem Engn, Kingston, ON K7L 3N6, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
non-Gaussian processes; non-linear processes; feedback control methods; stationarity; stochastic control; discrete-time processes;
D O I
10.1016/j.jprocont.2003.07.002
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
While the long term behaviour of a stationary stochastic process is concisely summarized by the probability density function (PDF), many well-established regulatory control techniques focus only on two quantities derived from the PDF, the mean and variance, as key design targets. This paper presents a technique for the design of control laws that shape all aspects of the PDF of a first-order process. By developing relationships between the moments of the PDF and the coefficients in a control law parameterization, an approximate control law is developed to shape the process PDF as desired. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:399 / 410
页数:12
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