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Control Systems

Control Systems
The type number of the control system with G(s) = k(s+2)/(s(s²+2s+3) is

 2
 0
 1
 3

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lag compensator, β = 2
 lag compensator, β = 10
 lead compensator, α = 0.1
 lead compensator, α = 0.2

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Control Systems
Number of sign changes in the entries in 1st column of Routh array denotes the no. of

 zeroes of system in RHP.
 open loop zeroes in RHP.
 roots of characteristic polynomial in RHP.
 open loop poles in RHP.

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Control Systems
Which of the following is/are the disadvantages of an open loop control system?

 both 1 and 2.
 Inaccurate.
 Unreliable.
None of these

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Control Systems
Transient state analysis depends on which of the following?

 order of system
 nether 1 nor 2
 type of system
 both 1 and 2

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Control Systems
For the polynomial , find the number of roots which lie on the right half of s-plane?

 0
 4
 1
 2

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