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Which of the following is an open loop control system?

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in Control Systems by (105k points)
Which of the following is an open loop control system?

(a) Field controlled D.C. motor

(b) Ward Leonard control

(c) Metadyne

(d) Stroboscope

I got this question in an interview for job.

The question is from Observer Systems topic in division State Variable Analysis and Design of Control Systems

1 Answer

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Correct answer is (a) Field controlled D.C. motor

Easiest explanation: Open loop control systems are the systems which have no feedback and cannot be used to obtain the desired response and field controlled system is an open loop control system.

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