Control Systems...

Consider the transfer function given below.

\(T\left( s \right) = \frac{{{K_1}s + {K_2}}}{{{s^4} + {K_1}{s^3} + {s^2} + {K_2}s + 1}}\)

Which of the following polar plots represents a high pass filter for the gain varied from 0 to ∞?

As compared to an open loop system, a closed loop system is:

Linear system obeys:

A proportional band of a PI controller is 40% and the reset time is 0.25s. The transfer function of the controller is given by

The most commonly used input signal(s) in a control system is/are:

An LTI system is governed by y ‘’(t) + 16y' (t) + 15y (t) = x’(t) + 5x(t) the steady state value of the unit step response is ________.

As compared to a closed loop system, an open loop system is:

Which of the following is an advantage of a closed-loop control system over an open-loop control system?

A ramp function occurs at t = a. It's Laplace transform is:

In open loop control systems, the control action is independent of the desired________.

A standard signal used for comparison in a closed-loop control system is called the

The difference between the output response and the reference signal is known as the _____ signal.

The Laplace transform of unity function is

The Laplace transform of e^-2t sin 3ωt is

A control system is said to be robust when

The state variable description of an LTI system is given below.

\({\dot x_1} = - \frac{1}{{{T_1}}}{x_1} + \frac{1}{{{T_1}}}u\)

\({\dot x_2} = - \frac{1}{{{T_2}}}{x_2} + \frac{1}{{{T_2}}}u\)

y = x₁

Which of the following is not correctly matched?

(CLCS = Closed Loop Control System and OLCS = Open Loop Control System)

Which of the following is not true regarding an open loop control system?

As compared to a closed loop system, an open loop system is

The forward-path transfer function of a ufb system is

For system to be stable, the range of K is

The closed loop transfer function for this system is

The state space representation of an LTI system has \(A = \left[ {\begin{array}{*{20}{c}} 1&2\\ 2&1 \end{array}} \right]\)

The poles location for this system is shown in fig.The value of K is

The open loop transfer function of a system is as

The range of K for stable system will be