介绍分段变系数PID算法控制的伺服系统。详细分析分段变系数PID控制算法的原理及控制方法,并搭建实际台架进行试验验证,测试数据表明分段变系数PID控制算法相对常规PID算法相比响应更快、几乎没有超调、定位精度更高。 Introduce the variable-coefficient PID algorithm control servo system. The principle and control method of variable coefficient variable PID control algorithm are analyzed in detail, and the actual test bench is set up to verify the test data. The test data show that the variable coefficient PID control algorithm has faster response than conventional PID algorithm, almost no overshoot and positioning Higher accuracy.