The transient response, with feedback system,?

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The transient response, with feedback system,?

The transient response, with feedback system, decays quickly.

Related questions

With the feedback system, the transient response : (A) Decays slowly (B) Decays rapidly (C) Rises slowly (D) Rises quickly

For a desirable transient response of a second order system, the damping ratio must be between (a) 0.4 and 0.8 (b) 0.8 and 1.0 (c) 0.3 and 0.5 (d) 0.2 and 0.4

The best method for determining the stability and transient response of a control system is (a) Bode Plot (b) Nyquist plot (c) Root locus (d) Routh-Hurwitz

The transient response of a system is mainly due to?

The transient step response of two systems exhibits same peak time. The dominant poles of the two systems can be represented in s plane along  A) A line parallel to X axis B) A line parallel to Y axis C) A line at an angle to negative real axis D) A semicircle

Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is

With negative feedback, the system stability and system gain respectively (a) Increases and increases (b) Increases and decreases (c) Decreases and increases (d) Decreases and decreases

In closed loop control system, with positive value of feedback gain the overall gain of the system will

_____technique gives quick transient and stability response?

For a system with derivative feedback, forward path transfer is G(s) = I / (s2 + s + 1) and feedback path transfer is H(s) = Ks. What is the value of K to obtain a critically-damped closed loop transient response.  (a) 0.5 (b) 0.707 (c) 1 (d) 1.414

A plant is modeled as 1/(s(s+3)) with unity feedback control system and a cascade PI controller. How many state variables are required for state model description?   A) 1 B) 2 C) 3 D) 4

What is the time response of a system whose poles lie on the right hand side of s-plane? A) Exponentially increasing B) Exponentially decreasing C) Sinusoidal oscillations D) Step response

The damping factor of a particular system is unity, the system response will be

For a stable feedback control system, the phase margin is  a) always positive b) always negative c) may be positive or negative d) always greater than 180o

Introduction of integral action in the forward path of a unity feedback system results in a  A) Marginally stable system B) System with no steady state error C) System with increased stability margin D) System With better speed of response

For a feedback control system of type 2, the steady error for a rap input is  A) Infinite B) Constant C) Zero D) Indeterminate

For a 2nd order feedback control system, the peak resonance magnitude should be Mp ≤ 1.15. Hence the damping ratio (δ) is  (a) 0.1 (d) 0.5 (c) 0.707 (d) 1

A unity negative feedback control system is found to have a gain margin of 20 dB. The Nyquist plot of the system (A) crosses the real axis at +0.1 (B) crosses the real axis at -0.1. (C) crosses the imaginary axis at -0.1 (D) crosses the imaginary axis at +0.1

In the Bode plot of a unity feedback control system, the value of phase of G(jw) at the gain cross -over frequency is - 125°.. The phase margin of the system is (a) - 125° (b) - 55° (c) 55° (d) 125°

The output of a feedback control system must be a function of?

A second order system shows 100% overshoot in its unit step response. It can be categorized as (A) underdamped system. (B) overdamped system. (C) Critically damped system. (D) undamped system.

With fault clearing time, the transient stability of a power system

In order to regulate steady state error to zero, in a negative feedback control system, one employs

Negative feedback in a closed-loop control system DOES NOT (A) reduce the overall gain (B) reduce bandwidth (C) improve disturbance rejection (D) reduce sensitivity to parameter variation

With feedback _____ increases.

Regenerative feedback implies feedback with?

The characteristic equation for a closed loop system with forward gain K is s4 + 4s3 + 8s2 + 6s + K = 0. The critical gain value Kc for stability should not exceed  (a) 3.25 (b) 9.75 (c) 13.0 (d) 23.3

If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller

The initial response when the output is not equal to input is called?

A system with gain margin close to unity or a phase margin close to zero is (a) conditionally stable (b) relatively stable (c) highly stable (d) highly oscillatory

Consider a continuous-time system with input x(t) & output y(t) are related by y(t) = x (sin t). This system is (A) causal & linear (B) non-causal & linear (C) causal & non-linear (D) non-causal & non-linear

A control system with excessive noise, is likely to suffer from?

The effect of negative feedback on distortion and bandwidth is A) Both distortion and bandwidth get decreased B) Both distortion and bandwidth get increased C) Distortion is reduced and bandwidth is increased D) Distortion is increased and bandwidth is decreased

_________is the reference input minus the primary feedback.

In a system, the damping coefficient is - 2. The system response will be (a) Undamped (b) Oscillations with decreasing magnitude (c) Oscillations with increasing magnitude (d) Critically damped

Which of these descriptions is true of the step response of an overdamped system ? (a) it rises to a steady state value with no overshoot (b) it rises to a steady state value with little overshoot (c) it has an undershoot (d) it does not settle to a steady state value

In the time response analysis of control system, Damping Ratio is given by - a) Actual damping / Critical damping b) Critical damping /Actual damping c) ( Sum of the Actual damping and critical damping) /Actual damping d)( Difference of the Actual damping and critical damping) / critical damping

The response of an LTI/LSI system is given by the _______ of input and impulse response:  (1) Convolution (2) Correlation (3) Superposition (4) None

What is the impulse response of the system?

The transient currents are associated with the?

A single-phase induction motor with only the main winding excited would exhibit the following response at synchronous speed  (A) Rotor current is zero (B) Rotor current is non-zero and is at slip frequency (C) Forward and backward rotating fields are equal (D) Forward rotating field is more than the backward rotating field

Transient stability studies of a power system are usually carried out over a time period of (A) two or more seconds (B) several time swings (C) time interval of first swing (D) sustained oscillations

Response of exp(-2t) of system function 1/(S+1) is  A) exp(-3t) B) exp(-t)+exp(-2t) C) exp(-t)-exp(-2t) D) None of these

If the feedback factor of an amplifier is 0.1 and its gain without feedback is 40, then its gain with feedback is (a) – 13.3 (b) 200 (c) 8 (d) 10

An amplifier without feedback has a gain of 1000. The gain with a negative feedback of 0.009 is  A) 10 B) 100 C) 125 D) 900

The voltage gains of the amplifier with and without feedback are 20 and 100 respectively. The percentage of negative feedback would be

With the introduction of negative feedback, the gain—bandwidth product of an amplifier  A) Becomes infinity B) Increases C) Decreases D) Remains constant