In this paper, a sensorless control strategy using Permanent Magnet Synchronous Motor (PMSM) based on Model Reference Adaptive System Observer (MRASO) is designed. The Model Predictive Torque Control (MPTC) system of PMSM driven by Matrix Converter (MC) is analyzed and studied in an indirect way. Different from the traditional control strategy, this paper proposes a scheme that the MC is equivalent to the combination of two topologies: virtual DC-AC converter and virtual AC-DC converter. MPTC is proposed to select the voltage vector of the virtual DC-AC converter to solve the problem of large torque ripple and flux ripple. The hysteresis comparator is used to select the current vector of the virtual AC-DC converter, so that the Power Factor (PF) at the input side is 1. Through different combinations of voltage vector and current vector, the MC is in different switching states, so as to realize the control of PMSM system. Through the simulation of the propeller system, the feasibility of PMSM for mechanical load and propeller load simulation is verified, and the effectiveness of MRASO-MPTC control strategy for propeller load simulation is verified.
Ship propeller load, PMSM, MC, MRASO-MPTC, Simulation.
Li GANG, "Simulation of Ship Propeller Load Based on MRASO-MPTC Control", Studies in Informatics and Control, ISSN 1220-1766, vol. 33(4), pp. 73-82, 2024. https://doi.org/10.24846/v33i4y202407
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