13.a. A control system that doesn’t return position or velocity information from the motor back to the control system is called a/an A. differential system. B. translated position system. C. directional system. D. open-loop system. 13.b. You’re looking at a tachometer feedback signal on an oscilloscope. The waveform takes a long time to go to zero volts. This means that the system is A. critically dampened. B. at high speed. C. reversing direction. D. overdampened.

13.a. A control system that doesn’t return position or velocity information from the motor back to the control system is called a/an A. differential system. B. translated position system. C. directional system. D. open-loop system. 13.b. You’re looking at a tachometer feedback signal on an oscilloscope. The waveform takes a long time to go to zero volts. This means that the system is A. critically dampened. B. at high speed. C. reversing direction. D. overdampened.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter40: Push-button Synchronizing

Section: Chapter Questions

Problem 2SQ

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