Because the most torque an electric motor has is at zero speed.
因为电动马达的最大力矩处于零速度。
This paper presents a novel open-loop speed control method for induction motors that provides high output torque and nearly zero steady-state speed error at any frequency.
提出了一种新颖的感应电机开环速度控制法，在任一频率下，它不但能使电机输出高的力矩，而且使稳态速度误差几乎等于零。
Especially in the car at zero speed start, but also shows that the higher torque of the advantages of upgrading fast.
尤其在轿车零速启动时，更显示出扭矩高者提升速度快的优越性。
New selecting tables are defined based on the effect of torque reduction caused by zero voltage vectors in different speed range.
分析了零电压矢量在不同转速范围内对转矩的减小作用，并设计了新的选择表。
The research issues in future still be focused on implement of stable low speed drive involving zero-speed and stable start-up with torque control.
今后研究的问题仍然集中在包含零速时稳定低速驱动的实现和伴随转矩控制的稳定起动上。
A new braking system model was built from a study on the solution method of the friction brake torque under the conditions of braking to near zero speed and braking lock.
研究了制动近零状态和制动抱死状态下制动力矩的求解理论，开发了一种新的制动系统模型。
A new braking system model was built from a study on the solution method of the friction brake torque under the conditions of braking to near zero speed and braking lock.
研究了制动近零状态和制动抱死状态下制动力矩的求解理论，开发了一种新的制动系统模型。
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