Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/61997
Title: Describing function matrix for multivariable systems and its use in multiloop PI design
Authors: Loh, A.P. 
Vasnani, V.U.
Keywords: describing function
multivariable systems
PI control
Issue Date: Aug-1994
Source: Loh, A.P.,Vasnani, V.U. (1994-08). Describing function matrix for multivariable systems and its use in multiloop PI design. Journal of Process Control 4 (3) : 115-120. ScholarBank@NUS Repository.
Abstract: The describing function analysis for single-input single-output systems (SISO) is extended to multivariable plants under multiloop relay feedback control. Both necessary and sufficient conditions for limit cycle oscillations are given in terms of eigenvalues of the open loop system. The stability of such limit cycles is also established. Finally, the use of the describing function matrix in the design of multiloop PI controllers is demonstrated through some simulation examples. © 1994.
Source Title: Journal of Process Control
URI: http://scholarbank.nus.edu.sg/handle/10635/61997
ISSN: 09591524
Appears in Collections:Staff Publications

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