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- In closed loop control system, with positive value of feedback gain the overall gain of the system will
- Negative feedback in a closed-loop control system DOES NOT
- In a closed loop control system ...
- After drawing the Root-Locus, the closed-loop poles corresponding to a specified value of gain K can be
- A control system in which the control action is somehow dependent on the output is known as
- The open loop control system is one in which _____.
- The output of a feedback control system must be a function of?
- In a control system the output of the controller is given to?
- The characteristic equation for a closed loop system with forward gain K is s4 + 4s3 + 8s2 + 6s + K = 0.
- The sensitivity of a closed loop system to gain changes and load disturbances depends upon
- What are some examples of a closed loop system?
- _____is a closed loop system.
- For applications requiring speed ratio other than 2 : 1, the speed control of an induction motor can be...
- An electromechanical closed –loop control system has the transfer function C(s)/R(s) = k/s (s2 + s +1) (s+ 4) +k....
- The loop transfer of a system is G(s) H(s) = 5/(s+1) (2s+1)(3s+1) which has the phase crossover frequency
- An automatic toaster is a ______ loop control system.
- The widely used series-parallel system of speed control of d.c. series motors in traction work gives a speed
- An open-loop system is better than a closed-loop system in terms of
- Open loop control system is one in which the control action :
- What are the advantages of open loop control system?
- In an open loop control system?
- Whether a given point in the S-plane lies on the Root Locus of a system can be determined by
- A differentiator is not usually used in control system, because it : -
- If the characteristics equation of a closed loop system is s2+2s+2=0, then the system is...
- The method of speed control used for increasing the speed of a dc shunt motor above its rated speed is
- what is open loop and close loop control system?
- Which of the following permutation can be obtained in the output (in the same order) using a stack assuming...
- In a 3-phase voltage source inverter used for speed control of induction motor, anti-parallel diodes are used
- Which of the following instrument can be used for measuring speed of an aeroplane ?
- For a closed loop controlled d.c. drive, current limit control (CLC) is normally employed
- The first order control system, which is well designed, has a?
- The chief advantage of Ward-Leonard system D.C. motor speed control is that is
- How can the steady-state error in a system be reduced?
- _____is an open loop control system.
- Order of the open loop transfer function is_____ to order of closed loop transfer function
- For a feedback amplifier, if the loop gain is much greater than unity, the closed loop gain will be equal to
- The speed control of universal motor used for sewing machines is by?
- For a 2nd order feedback control system, the peak resonance magnitude should be Mp ≤ 1.15. Hence the
- For a 1.8, 2-phase bipolar stepper motor, the stepping rate is 100 steps/second. The rotational speed of the
- A second order system shows 100% overshoot in its unit step response. It can be categorized as
- As compared to a closed loop system an open loop system is ...
- The closed loop gain of an OPAMP is dependent upon, whether the OP AMP is used : -
- The speed of a D.C. motor can be controlled by varying
- The speed of a D.C. shunt motor can be increased by?
- The speed of a D.C. shunt motor more than its full-load speed can be obtained by?
- The operating speed of a synchronous motor can be changed to new fixed value by?
- In the Bode plot of a unity feedback control system, the value of phase of G(jw) at the gain cross -over...
- What is the maximum data rate that can be transmitted using a QPSK modulation with a roll-off factor of...
- For the speed control purpose, pole changing method can be adopted for
- The number of cycles in which a high speed circuit breaker can complete its operation is

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