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Original Articles

Compensation of Pulse Width Modulated Control System in the Parameter Plane

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Pages 446-450 | Received 25 Mar 1974, Published online: 11 Jul 2015
 

Abstract

The parameter plane technique is exploited in designing discrete compensating network for ensuring a given degree of stability to PWM systems with higher type transfer functions. Since the system is equivalent to a multi-nonlinear discrete one, the most unstable open loop frequency response loci is first determined corresponding to unique sinusoidal input signal amplitude. The nonlinear gains of the nonlinearities at this amplitude are used in characteristic equation of the closed loop system and the parameter plane method is adopted to find the compensating network parameters.

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