Fundamentals of Motion Control

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Fundamentals of Motion Control

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The function of a motion device, such as a stage, is to generate a desired motion in an ideal trajectory. Furthermore, the device must be able to reliably and repeatably reach a specified target position. Factors like friction between moving parts, quality of guides or bending induced by moving loads, often deviate the motion from this ideal trajectory or result in differences between the actual and target position. Details regarding the various factors that impact the motion of these devices and how to characterize their positioning precision and accuracy are the subjects of this section.

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