既約分解表現に基づいて2自由度制御系を構成したスイッチングレギュレータの一広帯域化制御法とその特性

概要

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This paper describes a control method to widen the frequency bandwidth of a voltage control system for a switching regulator, which is based on a coprime factorization description of the system.First, this paper clarifies the control performance of a conventional voltage control method with a proportional-integral control element and a phase lead element, which does not widen the frequency bandwidth enough. Next, this paper proposes a new voltage control method with a compensator based on the coprime factorization description of the system. The compensator employs a two-degree-of-freedom control system, and is made up of a stabilizing dynamic compensator and a reference signal response dynamic compensator. Futhermore, this paper shows one possible design of the two dynamic compensators, and the simulation and experimental results for the test switching regulator.
社団法人電気学会の論文