2026年知到答案 自动控制原理实验II(英)（视频课） 最新知到智慧树满分章节测试答案

第一章 单元测试

1、 问题: The transfer function of a certain integral link is: . If the input of this integral link is a 0-5V step signal, then the ideal step response expression of this integral link is （ ）.
选项：
A:1.25t
B:3.125t
C:6.25t
D:12.5t
答案: 【
6.25t
】

2、 问题: The ideal step response of the differential link is different from the practical step response obtained by the operational amplifier circuit. （ ）
选项：
A:对
B:错
答案: 【
对
】

3、 问题: If the input signal of a certain link is a step signal of 0-5V, and the ideal step output curve is shown in the figure below, then this link is （ ）.

选项：
A:Integral link
B:Proportional-integral link
C:Proportional-differentiation link
D:Differential link
答案: 【
Proportional-differentiation link
】

4、 问题: From the step output effect of the PID link, the step output order of P, I, and D is （ ）.
选项：
A:P→I→D
B:P→D→I
C:I→P→D
D:D→I→P
答案: 【
P→D→I
】

5、 问题: The startup operation sequence of ACES-II automatic control comprehensive experimental system equipment is （ ）
选项：
A:Turn on AC power → Turn on computer → Turn on DC power
B:Turn on DC power → Turn on computer → Turn on AC power
C:Turn on the computer → Turn on AC power → Turn on DC power
D:Turn on the computer → Turn on the DC power → Turn on the AC power
答案: 【
Turn on AC power → Turn on computer → Turn on DC power
】

第二章 单元测试

1、 问题:

In the second-order system shown as the analog circuit below, amplifier A3 can be regarded as?（ ）

选项：
A:Proportional link
B:Integral link
C:Inertial link
D:Adder
答案: 【
Proportional link
Adder
】

2、 问题: In the second-order under-damped system, if the value of the undamped natural frequency ω_n remains unchanged, how does the dynamic characteristics of the system change when the damping ratio ξ is reduced? （ ）
选项：
A:Reduce overshoot and increase settling time
B:Increase overshoot and the settling time
C:Reduce overshoot and settling time
D:Increase overshoot and reduce settling time
答案: 【
Increase overshoot and the settling time
】

3、 问题: In the second-order under-damped system, if the value of the damping ratio ξ remains unchanged, how does the dynamic characteristics of the system change when the undamped natural frequency ω_n is reduced? （ ）
选项：
A:Reduce overshoot and increase settling time
B:Increase overshoot and the settling time
C:The overshoot remains unchanged, while the settling time decreases
D:The overshoot remains unchanged, while the settling time increases
答案: 【
The overshoot remains unchanged, while the settling time increases
】

4、 问题:

In the second-order system shown as the analog circuit below, what is the expression for the open-loop gain of the system?（ ）

选项：
A:
B:
C:
D:
答案: 【

】

5、 问题:

The analog circuit of a second-order closed-loop system is shown in the following diagram. If this closed-loop system is a ramp signal is inputted with a ramp signal , what is the theoretical value of the steady-state error of the system?（ ）

选项：
A:3.125
B:6.25
C:0.64
D:0.32
答案: 【
0.64
】

第三章 单元测试

1、 问题: The open-loop transfer function of a certain second-order closed-loop system is , and the damping ratio ξ of this second-order system is （ ）.
选项：
A:
B:
C:
D:
答案: 【

】