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Expressions of the phase and gain margins as roots of polynomials and its applications
Takuya Kitamoto 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper presents a method to express the phase and gain margins of a given SISO system as roots of polynomials. The expression is useful especially when the given system contains unknown parameters where numerical methods cannot be applied. We present a numerical example to illustrate the method and its applications.