Functions controlling system carry out

Q.  Which of the following functions can a control system carry out?
- Published on 15 Sep 15

a. The system output can be controlled to some desired particular value for particular input
b. If certain conditions are satisfied, it can give a particular sequence of output, corresponding to given input
c. Either a. or b.
d. None of the above

ANSWER: Either a. or b.

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    Discussion

  • Pankaj Chaugule   -Posted on 24 Nov 15
    - A control system can be defined as the system which can carry out either of the following functions:

    1. The system output can be controlled to some desired particular value for particular input

    2. If certain conditions are satisfied, it can give a particular sequence of output, corresponding to given input.

    - The suitable example for the first function of control system is the central temperature control or heating system in house.

    - In this case, the controlled variable is temperature in the house and the furnace is controlled by control system to maintain the temperature.

    - The suitable example for the second function of control system is household washing machine.

    - In this case, the controller determine various sequence of operations such as adding clothes, adding water, adding detergent, washing clothes, removing water, drying clothes.

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