Achieving Positioning Accuracy Goals

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By Lee Stephens, Systems Engineer, Danaher Motion

Choosing the correct mix of motion control components for a successful servo positioning system involves a combination of art, science, and experience. You need to fully comprehend the principle of operation, accuracy, resolution, and repeatability of each component in the system. Unfortunately, some of the errors that contribute to system inaccuracy are not easily observable, yet, they are measured empirically.