DC motors are often used as the main actuator within control and mechatronics systems. a)  Explain why DC motors are so common in this field of engineering, what are their advantages and  disadvantages? b)  Often DC motors are required to operate in both forward and reverse directions. Explain using  sketches how this functionality can be achieved.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
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DC motors are often used as the main actuator within control and
mechatronics systems.
a)  Explain why DC motors are so common in this field of engineering, what are their advantages and 
disadvantages?
b)  Often DC motors are required to operate in both forward and reverse directions. Explain using 
sketches how this functionality can be achieved.

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