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Servo error pre-compensation and feedrate optimization are often performedindependently to improve the accuracy and speed of manufacturing machines.However, this independent approach leads to unnecessary trade-offs betweenproductivity and quality in manufacturing. This paper proposes a novel linearprogramming approach for combined servo error pre-compensation and feedrateoptimization, subject to contour error (tolerance) and kinematic constraints.The incorporation of servo error pre-compensation into feedrate optimizationallows for faster motions without violating tolerance constraints. Experimentscarried out on a 3D printer and precision motion stage are respectively used todemonstrate up to 43% and 47% reduction in cycle time without compromising partquality using the proposed compared to the independent approach.

Combined servo error pre-compensation and feedrate optimization -- with application to a 3D printer and precision motion stage