permanent magnet DC torque motor

The tension control system using permanent-magnet DC torque motor as executive component is design. It can inspect and adjust tension at real-time during winding.

设计了以永磁式直流力矩电动机为执行元件的张力控制系统，它能够实时检测和调整缠绕过程中纤维的张力。

According to the mathematical model and torque characteristics of permanent magnet brushless DC motor, the reasons that give rise to torque ripple have been analyzed in this paper.

依据永磁无刷直流电动机的数学模型及其转矩特性，分析了转矩脉动产生的多种原因，并介绍了各种有效的控制策。

From the basic operation principles of the permanent magnet brushless DC motor, this paper analyses the producing reasons of torque pulsation and establishes the mathematical model.

本文从永磁无刷直流电动机的基本工作原理出发，分析了引起转矩脉动的原因并建立无刷直流电动机的动态数学模型。