Speed ratio is 1:5000, from low speed to high speed, all have steady torque characteristics.

调速比为1：50 00，从低速到高速都具有稳定的转矩特性。

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While the load pressure fluctuation, the load torque fluctuation and the rotational speed fluctuation mainly affect the steady performance of the system.

负载压力波动、加载转矩和转速的波动，主要影响系统的稳态性能。

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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。

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