With a view to develop high accuracy servo system, this paper gives a detailed analysis on mathematical model and character of PWM driver, puts forward a simple rotational velocity estimator.
本文从研制高精度随动系统出发，详细分析了PWM驱动器的数学模型及特性，提出一种简单易行的转速估计器，并在此基础上开发出一种适于中小功率直流力矩电机的新型PWM驱动器。
This paper analyzes the sources of effecting the error of the accuracy in electrohydraulic position servo system, and carries out quantitative analysis and calculation to main factors.
本文从工程实际出发，分析了影响电液位置伺服系统精度误差的来源，并对各主要因素作了定量的分析计算。
These optically-generated signals provide higher accuracy and reliability, improving the performance and reliability of the servo system.
这些光产生的信号提供更高的精度和可靠性，提高性能和伺服系统的可靠性。
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