State variable representations in digital control systems with MA-prefiltered measurements
作者:
MICHAEL E. POLITES,
期刊:
International Journal of Control
(Taylor Available online 1988)
卷期:
Volume 47,
issue 6
页码: 1683-1695
ISSN:0020-7179
年代: 1988
DOI:10.1080/00207178808906129
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
This paper derives three discrete state variable representations for a continuous-time plant driven by a zero-order hold with a combination of instantaneous measurements and measurements prefiltered by a multi-input/multi-output moving average (MA) process. These representations allow the control system engineer to model plants of this type accurately in a form which permits him to use standard techniques to design digital feedback controllers for them. An example is presented which illustrates how to obtain the coefficient matrices in each representation. Guidelines are presented for choosing the best representation to use for any given plant of this type.
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