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Questions and Answers
Brushless DC motors have a permanent magnet rotor and a coil wound stator.
Brushless DC motors have a permanent magnet rotor and a coil wound stator.
True
The efficiency of brushless DC motors makes them less expensive.
The efficiency of brushless DC motors makes them less expensive.
False
A servo DC motor does not involve a control circuit and position sensing unit.
A servo DC motor does not involve a control circuit and position sensing unit.
False
A commutator is a method of applying electrical current to the windings and produces a steady rotating torque by reversing the current direction.
A commutator is a method of applying electrical current to the windings and produces a steady rotating torque by reversing the current direction.
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Self excited DC motors are further divided into shunt, series, and compound types.
Self excited DC motors are further divided into shunt, series, and compound types.
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In a shunt wound DC motor, the speed stays constant and does not deviate with varying mechanical loads.
In a shunt wound DC motor, the speed stays constant and does not deviate with varying mechanical loads.
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A series wound motor can only work with AC voltage supply.
A series wound motor can only work with AC voltage supply.
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Actuators turn electrical signals into physical outputs.
Actuators turn electrical signals into physical outputs.
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Sensors and actuators are essentially similar devices that perform opposite functions.
Sensors and actuators are essentially similar devices that perform opposite functions.
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Most of today's robotic systems are powered by hydraulic actuators.
Most of today's robotic systems are powered by hydraulic actuators.
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Actuators turn electrical signals from control modules into physical outputs.
Actuators turn electrical signals from control modules into physical outputs.
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Sensors and actuators are essentially the same devices with different functions.
Sensors and actuators are essentially the same devices with different functions.
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Most of today’s robotic systems are powered by hydraulic actuators.
Most of today’s robotic systems are powered by hydraulic actuators.
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