GATE ECE 2007 | Compensators Question 15 | Control Systems

GATE ECE 2007

MCQ (Single Correct Answer)

-0.6

A control system with a PD controller is shown in the figure. If the velocity error constant $${K_v} = 1000$$ and the damping ratio $$\zeta = 0.5,$$ then the values of $${K_P}$$ and $${K_D}$$ are GATE ECE 2007 Control Systems - Compensators Question 13 English

GATE ECE 2007 Control Systems - Compensators Question 13 English

$${K_P} = 100,{K_D} = 0.09$$

$${K_P} = 100,{K_D} = 0.9$$

$${K_P} = 10,{K_D} = 0.09$$

$${K_P} = 10,{K_D} = 0.9$$

GATE ECE 2007

MCQ (Single Correct Answer)

-0.6

The open-loop transfer function of a plant is given as $$G(s) = {1 \over {{s^2} - 1}}.$$ If the plant is operated in a unity feedback configuration, then the lead compensator that can stabilize this control system is

$${{10\left( {s - 1} \right)} \over {s + 2}}$$

$${{10\left( {s + 4} \right)} \over {s + 2}}$$

$${{10\left( {s + 2} \right)} \over {s + 10}}$$

$${{2\left( {s + 2} \right)} \over {s + 10}}$$

GATE ECE 2005

MCQ (Single Correct Answer)

-0.6

A double integrator plant, $$G(s) = {K \over {{s^2}}},H(s) = 1$$ is to be compensated to achieve the damping ratio $$\zeta = 0.5$$ and an undamped natural frequency, $${\omega _n} = 5$$ rad/sec. Which one of the following compensator $${G_c}(s)$$ will be suitable?

$${{s + 3} \over {s + 9.9}}$$

$${{s + 9.9} \over {s + 3}}$$

$${{s - 6} \over {s + 8.33}}$$

$${{s + 6} \over s}$$

GATE ECE 1992

MCQ (Single Correct Answer)

-0.6

A process with open-loop model $$G(s) = {{K{e^{ - s{\tau _d}}}} \over {\tau s + 1}},$$ is controlled by a PID controller. For this process

the integral mode improves transient performance

the integral mode improves steady state performance

the derivative mode improves transient performance

the derivative mode improves steady state performance