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Variable Time Magnetization Current Trajectory Control Method for Variable Flux Memory Machines
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DOI：10.1109/TTE.2022.3165874.png)
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摘要
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Magnetization state (MS) manipulation is crucial to the comprehensive performance improvement of variable flux memory machine (VFMM) drive system. This article proposes a novel MS manipulation control method wherein variable time magnetization current trajectories can be adaptively controlled to reduce the MS manipulation losses. A fuzzy proportional integral (PI) feedforward current controller is newly structured to track the trajectories, improving the current tracking ability. First, dynamic MS manipulation processes are simulated and analyzed deeply, in which the variable machine parameters are calculated by finite element method (FEM) and fitted with polynomial formulas. Based on these, the maximum di (d)/ dt of magnetization current pulse trajectory, namely the shortest MS manipulation time, can be adaptively acquired to reduce the MS manipulation losses at different running conditions. Then, a fuzzy PI feedforward current controller is developed by combining the feedforward and fuzzy logic controls, ensuring the real current tracks its reference well at different speed and load conditions, particularly in the MS manipulation process. Finally, the effectiveness and feasibility of the proposed MS manipulation method are verified by experimental results on a hybrid-magnetic-circuit VFMM (HMC-VFMM) prototype.
Keyword:
Magnetization
Trajectory
Voltage
Couplings
Mathematical models
Demagnetization
Transportation
Current controller
feedforward
fuzzy logic control
magnetization state (MS) manipulation
memory machine
variable flux
期刊
I
IF:
8.3
论文数:
2.9K
被引数:
1.6W
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Analysis, Modeling, and Current Trajectory Control of Magnetization State Manipulation in Variable-Flux Permanent Magnet Machines可变磁通永磁电机中磁化状态操纵的分析，建模和电流轨迹控制
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A current control scheme with an adaptive internal model for torque ripple minimization and robust current regulation in PMSM drive systems具有自适应内部模型的电流控制方案，用于PMSM驱动系统中的转矩脉动最小化和鲁棒电流调节
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