Sensorless Vector-Controlled Induction Motor Drive with a Self-Commissioning Scheme Using One Current Sensor

使用單顆電流檢測器之自我起始感應馬達無轉速量測向量控制器之實現

蔡政宏(Cheng-Hung Tsai)

《中華技術學院學報》 40期 (2009/06) Pp. 305-325

https://doi.org/10.7095/JCIT.200906.0305

摘要

本篇論文提出一只使用單顆電流檢測器的自我起始感應馬達無轉速偵測器向量控制變頻器。在馬達變速控制中，變頻器是一常用的控制器。因此體積小成本低的變頻器因此常被使用在無轉速偵測器向量控制系統當中，但是當採用無轉速偵測器向量控制法則時，馬達的電器參數必須要能夠精確的得知，因此，本文提出設計一硬體簡單的單顆電流檢測器DSP 晶片控制變頻器。而自我起始法則能夠得到精確的參數值讓馬達達到不錯的動態響應，軟體模擬與各式的實驗結果將會顯示出本論文所提之無轉速量測器向量控制變頻器之可行性。

關鍵字

無轉速偵測器控制 ； 自我起始 ； 感應馬達 ； 電流檢測器

並列摘要

A sensorless vector control based on self-commissioning scheme is presented by using only one current sensor without speed and voltage sensors. Using inverters allows easy control of induction motors at variable speeds. This feature, along with small size and low cost has resulted in these inverters being used in realizing sensorless vector control. When adopting the sensorless vector control method, many electrical parameters of the induction motor are needed. From this, the design of a simple control hardware is derived by comprising of a DSP chip for the proposed scheme which using only one current sensor. The self-commissioning scheme permits the setting of the parameters for good dynamic performance of the induction motor. Simulations and various oscillograms demonstrate the behavior of the sensorless vector controller operating a pulse width modulation inverter.

並列關鍵字

sensorless control ； self-commissioning ； induction motor ； current sensor