臺灣博碩士論文加值系統

在許多的工業場合中，感應馬達的應用範圍相當的大，然而一般在感應馬達轉速控制上，都需安裝轉速量測器將當前馬達轉速回傳給控制器運用，但轉速量測器在機構空間較小時會不易安裝，且某些感應馬達加裝量測器後，可能會影響本身的可靠度，為了避免這種情形本研究提出一種無轉速計速度控制法。首先，本研究建立一感應馬達動態方程式，然後利用可量測的電壓和電流值代入本研究所設計的適應性估測器，則可得到感應馬達轉速估測值，而後本研究利用此估測值加入滑動控制理論，得到最後的控制法則。控制法則使用李安波諾夫穩定法則證明其收斂性及穩定性，使得感應馬達在無轉速計控制下，能快速且穩定的到達控制器所需的轉速。本研究所設計的控制器無論在電腦模擬或是實驗驗證下，皆可讓感應馬達轉速有效地受到控制，因此由模擬及實驗兩者將可驗證本研究所發展的控制器可行性

Induction motors are used very often in industries. In general, speed sensors are necessary to have induction motors controlled. However, because of the less reliability or lack of space, sometimes, speed sensors are not applicable to certain induction motors. To avoid this, this research proposes a sensorless speed control algorithm for induction motors. The control algorithm proposed is basically an adaptive sliding-mode-like control algorithm which estimates the motor speed with the measurement values of current and voltages. The real motor speed is then controlled to track the estimation. The Lyapunov stability criterion is used to ensure the convergence of the estimation errors as well as the stability of the adaptive control algorithm. Simulations and experiments have been done to validate the developed adaptive sensorless speed control algorithm.

目錄
摘要…………………………………………..………………………………I
Abstract………………………………………..…………………………….II
誌謝………………………………………..…………...…………………..III
目錄……………………………………………………..………………….IV
圖目錄……………………………………………………………………VI
第1章 緒論………………………………………………………..……….1
1.1 前言……………………………………………………………..1
1.2 研究動機與目的………………………………………………..1
1.3 文獻回顧…………………………………………..……………..3
1.4 內容大綱…………………………………………..……………..4
第2章 感應馬達的動態方程式……………………………………...5
2.1 感應馬達構造簡介………………………………………………5
2.2 感應馬達運轉原理……………………………………………..8
2.3 感應馬達之座標轉換………………………………………..…11
2.3.1 座標軸轉換…………………………………………….....11
2.3.2 感應馬達之動態方程式推導………………………….....15
第3章 感應馬達估測器之研究……….......………...……………23
3.1 估測器之設計…………………………………………………..23

3.2 估測器之模擬驗證……………………………………………..26
3.3 實驗驗證………………………………………………………..28
3.3.1實驗設備…………………………………………………28
3.3.2 實驗結果與討論….….…………………..…………...…...31
第4章 感應馬達無轉速器速度控制器之設計.....……………………...39
4.1 控制器之設計…………………………………………………..39
4.2 控制器之模擬驗證……………………………………………43
4.3控制器之實驗驗證……………………………………………..47
第5章 結論與建議………………….…………………………………51
5.1 結論……………………………………………………………..51
5.2 建議……………………………………………………………..52
參考文獻…………………………………………………………………….53
作者簡介

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