控制用微型電機中旋轉變壓解角器，因具有高性價比及耐候性之特性徵，或因解析及準確度比高階光學式編碼器略差，卻仍應用於航太、軍事及工業產品，尤其此型式解角器被廣泛應用於現今工業控制伺服系統。本論文研究目的為建立旋轉變壓解角器之設計流程及各項設計參數於輸出訊號之建模分析，並藉已知數位解碼器模型進行多重領域協同分析，以達到提昇產品性能與解碼器精度之目標。
本論文之研究過程首先選用一市售感應式無刷解角器，以電腦輔助設計系統建立解角器之幾何參數，再轉檔建模於電磁場工程分析系統與設定激勵條件，經由參數設計功能優化輸出訊號之品質後，針對旋轉變壓器進行簡化之電路建模與分析；續以動態系統模擬程式建立解碼器數位模型，先進行理想條件下之動態響應分析，在理想弦波封包測試模型得出動態解析度；最終結合電磁工程分析系統與數位解碼器模型進行多重領域系統協同分析，完成輸出訊號之驗證。本研究建立旋轉變壓解角器之基本設計參數與整體數值驗證過程，提供未來產品開發與研製所需要之基本設計參考數據。

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