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What are Accuracy and Repeatability in Industrial Robots?

An industrial robot has many metrology or measurable characteristics, which will have a direct impact on the effectiveness of the robot during the execution of its tasks. The main measurable characteristics are repeatability and accuracy. Roughly speaking, the repeatability of a robot might be defined as its ability to achieve repetition of the same task. On the other hand, accuracy is the difference (i.e. the error) between the requested task and the obtained task (i.e. the task actually achieved by the robot). In robotics, when talking about repeatability and accuracy, their meanings are often confused. So, repeatability is doing the same task over and over again, while accuracy is hitting your target each time.

Ahmed Joubair, Eng. Ph.D.
By Ahmed Joubair, Eng. Ph.D.
on Oct 07, 2014 in Robots. 3 min read time
What are Accuracy and Repeatability in Industrial Robots?

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