V2EX pid control

PID Control

Definition / 释义

PID 控制:一种常见的反馈控制方法,通过三部分作用来调节系统输出,使其尽量跟随目标值(设定值):

  • P(比例 Proportional):误差越大,纠正作用越强
  • I(积分 Integral):累计过去误差,用于消除稳态误差
  • D(微分 Derivative):根据误差变化趋势提前“预判”,抑制超调与振荡
    常用于工业过程控制、温度控制、电机与机器人控制等。(在不同场景也可指 PID 参数整定与实现方法。)

Pronunciation / 发音

/pi a di kntrol/

Examples / 例句

The engineer used PID control to keep the oven at 180°C.
工程师使用 PID 控制把烤箱温度稳定在 180°C。

With PID control tuned properly, the drone can hold its altitude steadily despite wind gusts.
如果 PID 控制参数整定得当,无人机即使遇到阵风也能稳定保持高度。

Etymology / 词源

PID 是三个英文术语首字母缩写:Proportional(比例)+ Integral(积分)+ Derivative(微分)。这种控制思想在 20 世纪的自动控制与工业控制发展中逐步成熟,并因实现简单、效果可靠而成为最普及的控制器结构之一。

Relted Words / 相关词

Literary Works / 文学与著作引用

  • Feedback Control of Dynamic Systems(Franklin, Powell, Emami-Naeini)
  • Modern Control Engineering(Katsuhiko Ogata)
  • Feedback Systems: An Introduction for Scientists and Engineers(strm & Murray)
  • Process Dynamics and Control(Seborg, Edgar, Mellichamp, Doyle)
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