If a robot is required to move 10mm, and its accuracy is 0.04mm (actual deviation from 10mm), while its repeatability is 0.0036 inches (around 0.09mm), it means that while the robot may not always hit the exact 10mm mark, it will consistently return to a similar position within a small deviation range.

In summary, robot system accuracy and repeatability are two distinct but important specifications that together contribute to the overall performance of the robot.

Interdependence: Both accuracy and repeatability are important specifications for robot systems. However, they are not directly related in a simple mathematical sense. A robot can have high repeatability but low accuracy, or vice versa.

Repeatability measures the consistency of a robot's ability to return to a previously taught position. Repeatability is typically expressed as the standard deviation of the random component of the error.

Accuracy refers to the ability of a robot's end-effector to reach a target position with minimal deviation. Accuracy is measured as the mean error or deviation from the intended position.