Question 1

In a closed loop for which the output is the speed of the motor, the output rate control can be used to:

Accepted Answer

A) limit the speed of the motor 
B) limit the torque output of the motor 
C) reduce the damping of the system 
D) limit the acceleration of the motor

Question 2

The transfer function for the state representation of the continuous time LTI system: dq(t)/dt=Aq(t)+Bx(t) Y(t)=Cq(t)+Dx(t) is given by

Accepted Answer

A) c(si-a)-1b+d 
B) b(si-a)-1b+d 
C) c(si-a)-1b+a 
D) d(si-a)-1b+c

Question 3

State model representation is possible using _________

Accepted Answer

A) physical variables 
B) phase variables 
C) canonical state variables 
D) all of the above

Question 4

Jury's test determines whether the roots of a polynomial lie:

Accepted Answer

A) close to unit circle 
B) within the unit circle 
C) outside the unit circle 
D) on the unit circle

Question 5

How is the sampling rate conversion achieved by factor I/D?

Accepted Answer

A) by increase in the sampling rate with (i) 
B) by filtering the sequence to remove unwanted images of spectra of original signal 
C) by decimation of filtered signal with factor d 
D) all of above

Exam 2: Stability and Realization of Linear Systems With Feedback and Sampling

In a closed loop for which the output is the speed of the motor, the output rate control can be used to:

The transfer function for the state representation of the continuous time LTI system: dq(t) /dt=Aq(t) +Bx(t) Y(t) =Cq(t) +Dx(t) is given by

State model representation is possible using _________

Jury's test determines whether the roots of a polynomial lie:

How is the sampling rate conversion achieved by factor I/D?