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Control Systems
Control Systems Multiple Choice
Quiz 1
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Q.1
State variable analysis has several advantages overall transfer function as:
a) It is applicable for linear and non-linear and variant and time-invariant system
b) Analysis of MIMO system
c) It takes initial conditions of the system into account
d) All of the mentioned
Q.2
The minimum number of states require to describe the two degree differential equation:
a) 1
b) 2
c) 3
d) 4
Q.3
For a system with the transfer function H(s) = 3(s-2)/s3+4s2-2s+1 , the matrix A in the state space form is equal to:
a)
Q.4
1 & -2 & 4
c)
Q.5
The transfer function Y(s)/U(s) of a system described by the state equations dx/dt=-2x+ and y(t) = 0.is:
a) 0.5/(s-2)
b) 1/(s-2)
c) 0.5/(s+2)
d) 1/(s+2)
Q.6
A linear time invariant single input single output system has the state space model given by dx/dt=Fx+Gu, y=Hz, where . Here, x is the state vector, u is the input, and y is the output. The damping ratio of the system is:
a) 0.25
b) 0.5
c) 1
d) 2
Q.7
Given the matrix
a) 1,2,3
b) 1
c) -1,-2,-3
d) 0
Q.8
A transfer function of control system does not have pole-zero cancellation. Which one of the following statements is true?
a) System is neither controllable nor observable
b) System is completely controllable and observable
c) System is observable but uncontrollable
d) System is controllable but unobservable
Q.9
The analysis of multiple input multiple output is conveniently studied by;
a) State space analysis
b) Root locus approach
c) Characteristic equation approach
d) Nicholas chart
Q.10
The state equation in the phase canonical form can be obtained from the transfer function by:
a) Cascaded decomposition
b) Direct decomposition
c) Inverse decomposition
d) Parallel decomposition
0 h : 0 m : 1 s
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