Actuators

An actuator is a ...

• Digital device that senses movement

• Digital device that produces movement

• Analogue device that senses movement

• Analogue device that produces movement

Which of these is NOT an actuator

• DC Motor

• Servo

• Thermocouple

• Solenoid

Which of these actuators mainly produces linear motion over a small distance

• Servo

• Solenoid

• DC Motor

• Stepper motor

Which of these actuators mainly produces precise rotary motion

• DC Motor

• Servo

• Solenoid

• Rack and Pinion

What type of actuator would be used to control the flow of liquid in a pipe?

• Servo

• Solenoid

• DC Motor

• Servo with Rack and Pinion

What would you call a control system without an actuator of any sort?

• Useless

• A monitoring system

• It is still a control system

• A measuring system

What would you call a monitoring system that has an actuator added to it?

• A control system

• A movable monitoring system

• It is still a monitoring system

• Awesome

What is a device called that uses electrical energy to produce physical motion?

What type of actuator could be used to control a set of sliding doors in a shop?

• A Solenoid

• A DC Motor with a rack and pinion

• A Servo with a rack and pinion

• A Servo

What type of actuator would be best suited to operating a robot arm?

• Servo

• Solenoid

• DC Motor

• None of the above