In this paper the clockwise property of the Nyquist plot of stable transfer functions is addressed. The relationships between clockwise property and modulus and/or phase monotonicity are analyzed. Some necessary and sufficient conditions for a class of stable transfer functions to enjoy the clockwise property are obtained. These results are used to enlarge the class of systems for which the Kalman conjecture on absolute stability of nonlinear systems holds.

A., T., Vicino, A., & G., Z. (1992). Clockwise property of the Nyquist plot with implications for absolute stability. AUTOMATICA, 28(1), 71-80 [10.1016/0005-1098(92)90008-4].

Clockwise property of the Nyquist plot with implications for absolute stability

VICINO, ANTONIO;
1992

Abstract

In this paper the clockwise property of the Nyquist plot of stable transfer functions is addressed. The relationships between clockwise property and modulus and/or phase monotonicity are analyzed. Some necessary and sufficient conditions for a class of stable transfer functions to enjoy the clockwise property are obtained. These results are used to enlarge the class of systems for which the Kalman conjecture on absolute stability of nonlinear systems holds.
A., T., Vicino, A., & G., Z. (1992). Clockwise property of the Nyquist plot with implications for absolute stability. AUTOMATICA, 28(1), 71-80 [10.1016/0005-1098(92)90008-4].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11365/9005
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