这些电机的设计，以适应范围广泛的应用，包括直接驱动伺服系统中，记录器的驱动器，保持转矩和高转矩低速控制系统。
These motors are designed to accommodate a wide range of applications including direct drive servo systems, recorder drives, holding torque and high torque-low speed control systems.
采用离散占空比控制技术的直接转矩控制能够在减小输出转矩脉动的同时保持算法简单的特性。
Applying discrete duty ratio control technology into direct torque control can reduce the ripple, and keep the feature of simplicity.
另一种是要求马达输出小转矩，保持高转速。
Another kind requests the motor output low torque, maintains the high speed.
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