1
GATE EE 1994
MCQ (Single Correct Answer)
+1
-0.3
The matrix of any state space equations for the transfer function $$C(s)/R(s)$$ of the system, shown below in. Figure is GATE EE 1994 Control Systems - State Variable Analysis Question 1 English
A
$$\left( {\matrix{ { - 1} & 0 \cr 0 & 1 \cr } } \right)$$
B
$$\left( {\matrix{ 1 & 0 \cr 0 & { - 1} \cr } } \right)$$
C
$$\left[ { - 1} \right]$$
D
$$\left[ { 3} \right]$$
2
GATE EE 1993
MCQ (Single Correct Answer)
+1
-0.3
Consider a second order system whose state space representation is of the form $$\mathop X\limits^ \bullet = AX + BU.$$ If $$\,{x_1}\,\,\left( t \right)\, = {x_2}\,\left( t \right),$$ then system is
A
controllable
B
uncontrollable
C
observable
D
unstable
3
GATE EE 1993
MCQ (Single Correct Answer)
+1
-0.3
The transfer function for the state variable representation $$\mathop X\limits^ \bullet = AX + BU,\,\,Y = CX + DU,$$ is given by
A
$$D + C{\left( {s{\rm I} - A} \right)^{ - 1}}\,\,B$$
B
$$B{\left( {s{\rm I} - A} \right)^{ - 1}}\,C + D$$
C
$$D{\left( {s{\rm I} - A} \right)^{ - 1}}\,B + C$$
D
$$C{\left( {sl - A} \right)^{ - 1}}\,D + B$$
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