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关于PI控制器作用，下列观点正确的有()

单选题

2021-09-01 20:28

A、可使系统开环传函的型别提高，消除或减小稳态误差
B、积分部分主要是用来改善系统动态性能的
C、比例系数无论正负、大小如何变化，都不会影响系统稳定性
D、只要应用PI控制规律，系统的稳态误差就为零

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正确答案

B

试题解析

标签：联大河南科技大学微机接口技术

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