PID 控制原理与工程实现笔记

Why This Note Exists / 为什么写

PID tuning becomes much easier when the measured signal, error, and actuator output are visible. This note collects the mental model and experiment process behind the PID Starter Kit.

这篇笔记会把公式、代码、波形和调参经验串起来，避免以后每次做控制实验都从零开始。