Feedback

How it is used

A key idea in control engineering. You talk about position, speed and force feedback, a feedback signal, a feedback device (such as an encoder) and loss of feedback, which usually causes a fault. In everyday office English it also means comments on someone's work.

Example sentences

1. The drive stopped with a 'feedback lost' error after someone pulled the encoder cable.

2. Without feedback, the controller has no way of knowing if the cylinder actually reached the end.

Common collocations

• position feedback
• feedback signal
• feedback loop
• feedback device
• loss of feedback

Related terms

• closed-loop controlControl in which the actual output is measured and fed back, so the controller keeps correcting its command until the output matches the target.
• encoderA sensor mounted on a motor or shaft that measures rotation and sends position and speed information to the drive or controller.
• controllerThe device or program that makes control decisions: it reads measurements, compares them with what is wanted and sends commands to motors or other actuators.
• setpointThe target value a control system tries to reach and hold, such as a temperature of 60 °C, a speed of 1,500 rpm or a pressure of 6 bar.
• process variableThe measured value of the quantity being controlled, such as the actual temperature, pressure or level, which the controller compares with the setpoint.

This word in other fields

The same English word can have a different meaning in another field:

• feedback · Software Engineering
• feedback · UX/UI Design
• feedback · Product Management
• feedback · Business English
• feedback · Management & Leadership
• feedback · Human Resources
• feedback · Customer Service
• feedback · Education & Teaching
• feedback · Graphic Design
• feedback · Tourism & Hospitality

More terms: Control Systems

• PID control
• open-loop control
• tune
• overshoot