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前言伺服系统的输入函数是多种多样的,大体可分成阶跃、方波、斜坡、三角波、锯齿波、正弦波、脉冲和任意非直线型函数等八种。按此可将伺服系统分成保持型、跟踪型和正弦型三种。保持型一类伺服系统的功能是自动保持某一物理量为常值,当输入信号改变后,此物理量能自动的由一个保持值变化到另一个保持值。例如航空器或舰船上的舵机系统以及某些速度系统等。这类系统应以阶跃函数为输入,称之为保持型伺服系统。此外,有些以方波为
Preface Servo system input function is varied, generally divided into step, square wave, ramp, triangle, sawtooth, sine wave, pulse and any non-linear function eight. Click here to divide the servo system into holding type, tracking type and sine type. The function of a servo system of the holding type is to automatically maintain a certain physical quantity as a constant value. When the input signal is changed, the physical quantity can automatically change from one holding value to another holding value. Such as steering gear systems on aircraft or ships, as well as certain speed systems. Such systems should be a step function as input, called the maintenance-based servo system. In addition, some are square wave