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Robotics & Automation vocabulary · Control Systems

Overshoot

Meaning in robotics & automation, with examples

/ˈoʊvərʃuːt/nounAdvanced term

In robotics & automation, overshoot means: The amount by which a controlled value goes past its setpoint before settling, for example a temperature rising to 85 °C when the target is 80 °C. It is often given as a percentage.

In Turkish: aşım, hedefi aşma

How it is used

Used as a noun and a verb in tuning and testing: the axis overshoots the target, there's 10% overshoot. Engineers reduce overshoot by changing the gains or the acceleration. Related words are oscillation, settling time and undershoot.

Example sentences

  1. The axis overshoots by half a millimeter and then comes back, which scratches the part.

  2. Lower the proportional gain to reduce the overshoot.

Common collocations

  • reduce overshoot
  • percent overshoot
  • overshoot the target
  • settling time
  • tuneTo adjust the parameters of a controller, such as PID gains or servo settings, so that the system responds quickly and smoothly without oscillating.
  • PID controlA common feedback control method that calculates its output from three terms: proportional (the present error), integral (the error built up over time) and derivative (how fast the error is changing).
  • 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.

More terms: Control Systems

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