4. Negative value of second derivative of control function yields:a. Maximum solution of the control problemb. Minimum solution of the control problemc. Optimum solultion of the control problemd. None of all above5. In LQR controller technique decreasing value of the element 912 in Q matrixcana. Increase rise timeb. Decrease rise timec. Increase settling timed. Decrease settling timee. None of all above

As per the guidelines I am solving only first question.The question is from control systems subject.

4. Negative value of second derivative of control function yields: a. Maximum solution of the control problem b. Minimum solution of the control problem c. Optimum solultion of the control problem d. None of all above

4. Negative value of second derivative of control function yields: a. Maximum solution of the control problem b. Minimum solution of the control problem c. Optimum solultion of the control problem d. None of all above

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.30P: Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and...

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Concept explainers

Maximum power transfer theorem

A resistive load will consume maximum power from a network when the load resistance is equal to the resistance of the network as viewed from the open-circuit terminals, with all energy sources removed leaving only the internal resistances. Physicist Moritz von Jacobi introduced the maximum power transfer theorem in 1940. Therefore, this theorem is also known as Jacobi's law.

Question

4. Negative value of second derivative of control function yields:
a. Maximum solution of the control problem
b. Minimum solution of the control problem
c. Optimum solultion of the control problem
d. None of all above
5. In LQR controller technique decreasing value of the element 912 in Q matrix
can
a. Increase rise time
b. Decrease rise time
c. Increase settling time
d. Decrease settling time
e. None of all above

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