Loop phase margins

Qing Guo Wang; Zhen Ye; Wen Jian Cai; Chang Chieh Hang

doi:10.1007/978-3-540-78482-1_4

Loop phase margins

Qing Guo Wang, Zhen Ye, Wen Jian Cai, Chang Chieh Hang

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

The stabilizing ranges of decentralized PID parameters for MIMO systems are discussed in the previous chapter as well as the loop gain margins. This chapter will continue the stability margin discussion but focus on the loop phase margins of MIMO systems. Unlike the loop gain margins that corresponds to the stabilizing range of multi-loop P control, loop phase margins are related to multi-loop phase characteristics and not effected by P control. This gives additional difficulty in their determination. Nevertheless, two methods, respectively in time and frequency domain, are presented under the framework of LMI or constrained optimization.

Original language	English
Title of host publication	PID Control for Multivariate Processes
Pages	71-95
Number of pages	25
DOIs	https://doi.org/10.1007/978-3-540-78482-1_4
Publication status	Published - 2008
Externally published	Yes

Publication series

Name	Lecture Notes in Control and Information Sciences
Volume	373
ISSN (Print)	0170-8643

ASJC Scopus subject areas

Library and Information Sciences

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10.1007/978-3-540-78482-1_4

Cite this

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AU - Ye, Zhen

AU - Cai, Wen Jian

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PY - 2008

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AB - The stabilizing ranges of decentralized PID parameters for MIMO systems are discussed in the previous chapter as well as the loop gain margins. This chapter will continue the stability margin discussion but focus on the loop phase margins of MIMO systems. Unlike the loop gain margins that corresponds to the stabilizing range of multi-loop P control, loop phase margins are related to multi-loop phase characteristics and not effected by P control. This gives additional difficulty in their determination. Nevertheless, two methods, respectively in time and frequency domain, are presented under the framework of LMI or constrained optimization.

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DO - 10.1007/978-3-540-78482-1_4

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SN - 9783540784814

T3 - Lecture Notes in Control and Information Sciences

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BT - PID Control for Multivariate Processes

ER -

Loop phase margins

Abstract

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