2022知到答案 自动控制基础 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:About the positive feedback control system, which one of the following is correct? ( )
选项:
A:There is positive feedback control system in the physical world.
B:There is no positive feedback control system in the physical world.
C:I don’t know
答案: 【
There is positive feedback control system in the physical world.
】
2、 问题:The representative figure in the history of classical control theory includes. ( )
选项:
A:James Clerk Maxwell
B:Harry Nyquist
C:H. S. Black
D:H. W. Bode
答案: 【
James Clerk Maxwell
Harry Nyquist
H. S. Black
H. W. Bode
】
3、 问题:In the following utilities, the closed-loop systems include ( ).
选项:
A:Air conditioner
B:Microwave oven
C:Van elevator
D:Washing machine
答案: 【
Air conditioner
Van elevator
】
4、 问题:The trend of control development is ( ).
选项:
A:Low autonomy, Low flexibility
B:Low autonomy, High flexibility
C:High autonomy, Low flexibility
D:High autonomy, High flexibility
答案: 【
High autonomy, High flexibility
】
5、 问题:A system with more than one input variable or more than one output variable is known by what name? ( )
选项:
A:Closed-loop feedback system
B:Open-loop feedback system
C:Multivariable control system
D:Robust control system
答案: 【
Multivariable control system
】
第二章 单元测试
1、 问题:
Consider the differential equation , where and is a unit step. The poles of this system are ( ).
选项:
A:
B:
C:
D:None
答案: 【
】
2、 问题:
The mathematical foundation of classical control theory includes ( ).
选项:
A:Differential equation.
B:Laplace transformation
C:Fourier transformation
D:All the options.
答案: 【
All the options.
】
3、 问题:Which of the following statements is NOT 对? ( )
选项:
A:Transfer function model permits easy interconnection of physical systems.
B:The transfer function can be applied to linear time-invariant system.
C:Laplace transformation turns the solution of differential equations into algebraic manipulations.
D:When dealing with transfer functions, the initial conditions are assumed to be nonzero.
答案: 【
When dealing with transfer functions, the initial conditions are assumed to be nonzero.
】
4、 问题:A cart of mass m = 1000 kg is attached to a truck using a spring of stiffness k =20,000 N/m and a damper of constant b = 200 Ns/m, as shown in the following figure. The truck moves at a constant acceleration of a = 0.7 m/. The transfer function between the speed of the truck and the speed of the cart is ( ).
选项:
A:T(s) =
B:T(s) =
C:T(s) =
D:None of the above
答案: 【
T(s) =
】
5、 问题:The s-plane plot of the poles and zeros graphically portrays the character of the natural response of a system. ( )
选项:
A:对
B:错
答案: 【
对
】
第三章 单元测试
1、 问题:Consider a second-order underdamped system. If increases meanwhile is kept constant, then ( ).
选项:
A:the rise time and the peak time will increase.
B:the rise time and the peak time will reduce.
C:the rise time and the settling time will increase.
D:the rise time and the overshoot will reduce.
答案: 【
the rise time and the peak time will reduce.
】
本文章不含期末不含主观题!!
本文章不含期末不含主观题!!
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