本論文旨在建構一具前端轉換器之永磁同步馬達驅動系統，並從事其操作性能探究。首先研習PMSM之結構、主導方程式及等效電路參數之估測。接著建構一以數位信號處理器為主之PMSM驅動系統，並設計強健斜率比較電流控制脈寬調制機構，使其具有優良之線圈電流追控特性。並以一些實測結果驗証所建構PMSM驅動系統之正常操作。
有關切換式整流器之開發，首先建立一數位控制低頻切換式整流器。其他有關此低頻切換式整流器之研究含：製作類比IC為主之控制電路、從事降低噪音之電流控制切換控制、以及軟式切換控制等。此外，亦設計一硬式及一軟式切換高頻切換式整流器。經由一些量測波形確認所設計組立切換式整流器之正常運轉及特性。建立具前端轉換器之永磁同步馬達驅動系統後，實測比較評估此驅動系統於PAM及PAM/PWM控制下之總體驅動性能。結果証實配裝前端切換式整流器有利於PMSM驅動系統從事PAM/PWM混合切換控制，獲得折衷性能，含效率、轉矩紋波及入電電力品質等。再者，HF-SMR比LF-SMR具有較佳之電力品質。

The major purpose of this thesis is to establish a PMSM drive equipped with front-end switch-mode rectifier (SMR) and to perform its driving performance study. First, the structure, governing equations, and equivalent circuit parameter estimation of a PMSM are studied. Then a DSP-based experimental PMSM drive is established with a robust ramp-comparison CCPWM control scheme being properly designed to yield excellent winding current tracking performance. And the normal operation of the established PMSM drive is verified experimentally.
In the development of SMRs, a low-frequency (LF) SMR with suitable digital feedback control is first developed. Other related topics concerning the LF-SMR include IC-based analog control circuit, the switching control for reducing the current harmonic with acoustic noise frequencies, the soft switching control, etc. In addition, a hard- and a soft-switching HF-SMRs are also designed and implemented. Some measured key waveforms are provided to evaluate their normal operations and performances. Having established the PMSM drive equipped with front-end SMRs, the comparative performance studies are made for the whole drive system under PWM and PWM/PAM controls. The experimental results confirm that the front-end SMR may facilitate the PAM/PWM hybrid switching control to yield compromised performance requirements in wide speed range. These requirements include efficiency, torque ripple, drawn power quality, etc. And moreover, the HF-SMR yields better line drawn power quality compared with the LF-SMR.

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