Which of the following is an open loop control system ?
Correct answer: A. Field controlled D.C. motor
- A. Field controlled D.C. motor
- B. Ward leonard control
- C. Metadyne
- D. Stroboscope
Explanation
A field-controlled DC motor can be operated in open loop by setting its field current without measuring the resulting speed. Ward Leonard and metadyne arrangements are associated with more advanced control and feedback applications.
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