第十二章单元测试
- A proper PID controller can realize an arbitrary pole placement for a third-order system. （ ）
- The cancelled poles/zeros in a closed-loop transfer function cannot remain as CL poles and will not have any influence on the dynamic performance of the system. （ ）
- The cancelled poles/zeros remain as the closed-loop poles of the system.（ ）
- What is a proper PID controller like? （ ）
- Given a second-order transfer function with damping ratio ζ, natural frequency ωn and static gain K. Which parameters of a 2nd order system affect the peak time? （ ）
A:对 B:错
答案:错
A:错 B:对
A:对 B:错
A:
B:
C:
D:
A:All of them B:Damping ratio ζ C:Static gain K D:Natural frequency ωn
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