In traditional permanent magnet synchronous motor (PMSM) control systems, parameter settings rely on empirical rules, making it difficult to cope with dynamic load changes and nonlinear coupling characteristics. This results in poor adaptability, insufficient response speed and stability. To address these problems, this paper proposes an improved quantum genetic algorithm (IQGA) that enhances global search efficiency through an adaptive quantum rotation gate strategy and a dynamic population update mechanism. The IQGA is used for the cooperative optimization of parameters in the speed loop and current loop of the PMSM field oriented control system. Experimental results show that, compared with comparison algorithms, the IQGA improves the response speed by an average of 46.5% and the steady-state accuracy by an average of 90%. Furthermore, to address the speed fluctuation problem occurring during the transition from low-speed operation mode to high-speed operation mode in full-speed-range sensorless control, cooperative optimization architectures for IQGA-fractional-order controller and IQGA-nonlinear active disturbance rejection controller are constructed respectively, to achieve smooth mode switching. Finally, experimental verification is conducted on a surface-mounted PMSM experimental platform, confirming the superiority of the proposed optimization method.
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基金资助
国家重点研发计划资助项目(2022YFB3403200)
National Key Research and Development Program of China(2022YFB3403200)
湖南省科技创新领军人才资助项目(2022RC3038)
Leading Talents in Science and Technology Innovation in Hunan Province(2022RC3038)