本文旨在開發三相永磁式同步馬達及機械負載之功率硬體模擬器，以便測試不同參數的永磁式同步馬達，解決傳統馬達及機械負載變更馬達參數不易的問題。信號硬體模擬器的硬體設備採用國家儀器的PXI系統搭配FPGA介面卡，並將Simulink所建立的永磁式同步馬達及機械負載模型軟體載入此介面卡的FPGA，以完成系統整合。本系統具有機械轉矩或轉速設定，以供待測永磁式同步馬達驅動器測試使用。在角位置及角速度的偵測方面，完成解角器模擬信號，提供待測馬達驅動器的角速度及角位置回授使用。本文的功率硬體模擬器將整合信號硬體模擬器、電壓及電流回授電路、耦合電感，以及致茂電子的交流電源供給器編號61800-100。為了提高電流響應，本系統採用電流閉迴路控制及信號硬體模擬器的電壓補償以控制交流電源供應器的電壓。
本文已完成功率硬體模擬器實體製作，並搭配具有轉速及電流閉迴路控制的待測永磁式馬達驅動器，在馬達的轉速為1200rpm及負載轉矩或設定的轉矩為4N-m條件實測。馬達操作於電動機模式實測的a相電流峰值約為6.30A，而Simulink的模擬相電流峰值約為6.20A，實測與模擬的電流誤差約為0.1A。在發電機模式a相電流峰值約為6.17A，Simulink的模擬相電流峰值約為6.02A，實測與模擬的電流誤差約為0.15A；本文實測與模擬相接近，驗證本文系統可行性。

This thesis aims to development of power hardware in the loop (PHIL) for three-phase permanent-magnet synchronous motor (PMSM) and mechanical load. In order to test the PMSM with different parameters, it solves the problem that the traditional motor and mechanical load are not easy to change the motor parameters. The signal hardware in the loop (SHIL) adopted PXI system of National Instruments and FPGA interface card, and PMSM model created by Simulink is loaded to FPGA adapter to complete the system. The system in torque or speed mode can be used for device under test (DUT) testing. In the simulation of rotor position and angular velocity, the virtual resolver signal is implemented to provide resolver signal to DUT. The PHIL is combined of SHIL, voltage sensor, current sensor, coupling inductor and AC power source, 61800-100 from Chroma Electronics. In order to enhance current response, current closed-loop control and voltage compensation are adopted to control of AC power source voltage command.
The experiment of the PHIL with DUT in speed and current closed-loop control is accomplished. When the speed is 1200rpm and the load torque or the set torque is 4N-m. The peak value of phase current is 6.30A in motor mode and the peak value of phase current is about 6.20A, and the displacement error of current between experiment and simulation is about 0.1A. The peak value of phase current in generator mode, the experiment and simulation are about 6.17A and 6.02A, current error about 0.15A. The closed results between experiment and simulation verify the feasibility of the system.

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