Title :
Describing functions, limit cycles and reduced models in nonlinear systems
Author :
Woon, S.K. ; Nicholson, H.
Author_Institution :
University of Sheffield, Department of Control Engineering, Sheffield, UK
Abstract :
A criterion for the absence of limit cycles in nonlinear multivariable systems is proposed. It is very flexible and can give less conservative results. Comparison is made with existing criteria, and it is also shown that the criterion has great attractions when reduced models are used.
Keywords :
control system analysis; describing functions; limit cycles; modelling; multivariable control systems; nonlinear control systems; describing functions; limit cycles; nonlinear multivariable systems; reduced models;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19770136
