New "D-State-Observer"-based vector control for sensorless drive of permanent-magnet synchronous motors
作者： S. Shinnaka
关键词: Constant (mathematics) 、 Control engineering 、 Phase (waves) 、 Observer (quantum physics) 、 Computer science 、 Control theory 、 Vector control 、 State observer 、 Range (statistics) 、 Synchronous motor 、 Simple (abstract algebra)
摘要: This paper proposes a new sensorless vector control method that can be applied to both salient-pole and nonsalient-pole permanent-magnet synchronous motors (PMSMs). The proposed estimates phase of rotor flux by newly developed flux-state observer for PMSMs, which is referred as the "D-state observer". D-state has following attractive features: 1) it requires no additional steady-state condition motor mathematical model; 2) its order minimum second; 3) single gain simply constant over wide operating range, easily designed; 4) utilizes parameters in very simple manner; 5) structure realized at low computational load. Usefulness examined confirmed through extensive experiments.
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