描述
PID参数整定并不是万能的,因为系统的控制质量与对象特性、干扰形式和大小、控制方案等都有关系,所以当控制方案选择不当时,PID参数怎样调整,也不能达到预期的控制效果。
LOT OF 2/ ALLEN-BRADLEY 509-B0D STARTER USED
KLOCKNER MOELLER DIL1M STARTER USED
ALLEN-BRADLEY 700-RTA10L100A1 RELAY USED
ALLEN-BRADLEY 1771-P2 POWER SUPPLY, USED
LOT OF 2/ LEVITON 2336 FLANGED OUTLET NEW
WESTINGHOUSE FD-K 100A CIRCUIT BREAKER USED
SHARK/RELIANCE ELECTRIC 45C922 SLOT RACK USED