关于P I 控制器作用,下列观点正确的有( ) -题库考试答案搜索网

关于P I 控制器作用,下列观点正确的有( )

单选题

2021-07-17 23:48

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P I控制规律,系统的稳态误差就为零

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正确答案

A

试题解析

标签：能源与动力工程专升本热工自动控制 2020年第二学期期末考试

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