Understanding Motor Drive Devices

What is the primary function of a stepper motor in a drive device?

• To provide continuous rotation

• To provide precise control of angular position

• To convert electrical energy into heat

• To increase the speed of a vehicle

Which type of motor is known for having a high torque at low speeds?

• DC brushed motor

• Stepper motor

• Servo motor

• Brushless DC motor

What is a common application of a DC brushed motor?

• Hard disk drives

• Electric vehicles

• Industrial robots

• Household fans

Which component is essential for the operation of a brushless DC motor?

• Commutator

• Permanent magnets

• Brushes

• Slip rings

What is the main advantage of using a brushless DC motor over a brushed DC motor?

• Lower cost

• Higher efficiency and longer lifespan

• Simpler design

• Easier to control

Which type of motor is typically used in applications requiring precise speed control?

• Stepper motor

• Servo motor

• DC brushed motor

• Brushless DC motor

What is the main disadvantage of a DC brushed motor?

• High maintenance due to brushes

• Low torque

• Complex control system

• High cost

Which type of motor is commonly used in drones for its efficiency and reliability?

• Stepper motor

• Servo motor

• DC brushed motor

• Brushless DC motor

What is the role of an encoder in a servo motor system?

• To increase the motor speed

• To provide feedback for precise control

• To reduce noise

• To convert AC to DC

Which of the following is a characteristic of a stepper motor?

• Continuous rotation

• High-speed operation

• Incremental movement

• High power output