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This paper proposes a decoupling control method for high-performance drive of permanent magnet synchronous motors (PMSMs). The conventional decoupling schemes proposed for removing coupling effects on d-q current regulation have the limited performance because the cross-coupling inductances caused by asymmetric structure and saturation are not considered. Those inductances may degrade the decoupling...
This paper studies the steady-state behavior of Finite Control Set (FCS) Model Predictive Control (MPC) for permanent-magnet synchronous machine (PMSM). The control actuation is formulated as a trajectory tracking problem in the αβ stator flux space. The concept of set stability and Control Invariant Set (CIS) is used to determine the smallest possible current, i.e. flux ripple. The best achievable...
On account of the low switching frequency restriction and harsh conditions of rail transit permanent magnet synchronous motor (PMSM) drive system, the sensorless control for such machine is challenging. In this work, a novel PWM control scheme, originating from the asymmetric space vector modulation (ASVM), was proposed for a square-wave voltage injection method based sensorless control under low...
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