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Dynamic model reference control of a PMAC motor for automotive traction drives

机译:汽车牵引驱动器PMAC电机的动态模型参考控制

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摘要

The permanent magnet AC (PMAC) motor drive is a bilinear closely coupled system subject to saturation due to finite DC supply voltage and current limitation for hardware protection.udModel reference control can be applied to the PMAC motor, with PI current controllers tracking the model reference current command values. The finite supply voltage constraint results in degradation of system performance when the current regulators saturate. In this paper, a dynamic model reference controller is presented which includes the current and voltage limits and constrains the magnitude of the current vector command signals, operating the system just within the limits of saturation. This allows the PI controllers to accurately track the command signals and retain control of the current vector. The controller ensures maximum possible dynamic performance of the system. The system and controller is presented and experimentally verified, and the PI controller gains are found by Monte Carlo simulation.
机译:永磁交流(PMAC)电动机驱动器是一个双线性紧密耦合系统,由于有限的直流电源电压和电流限制而饱和,因此会受到饱和的影响,以进行硬件保护。 ud模型参考控制可应用于PMAC电动机,PI电流控制器跟踪模型参考当前命令值。当电流调节器饱和时,有限的电源电压约束会导致系统性能下降。在本文中,提出了一种动态模型参考控制器,该控制器包括电流和电压极限,并限制电流矢量指令信号的幅度,使系统仅在饱和极限内运行。这使PI控制器可以精确跟踪命令信号并保持对当前矢量的控制。控制器可确保系统的最大动态性能。给出了系统和控制器并进行了实验验证,并通过蒙特卡洛仿真找到了PI控制器的增益。

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