脉冲调宽系统的状态转移分析
Analysis of Control Systems with PWM Amplifier Using the State-Transition Method
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摘要: 本文基于状态转移理论,分析了脉冲调宽系统的精确方法,给出了递推算式及计算程序框 图,并以脉冲调宽式数字随动系统为例,应用状态转移方法计算了单位阶跃响应.文中介绍的 方法具有准确反映脉冲调宽系统真实工作状态的优点.Abstract: In this paper, the method of analysing control systems with PWM amplifier based on the state-transition concept is discussed. The recurrence formulas and the flow diagram for computing program are given. As an example, the unit-step response of a digital servo-system with PWM amplifier is calculated, using the state-transition method. The advantage of the state-transition method is that it can describe the exact state of control systems with PWM amplifier.
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