Abstract
An adaptive prospective interpolation method for high speed machining of micro line blocks, including interpolation preprocess and real time parametric interpolation, is proposed, which is based on the cubic polynomial model. During interpolation preprocess, the high speed adaptive prospective control strategy is established by using path transfer point maximum velocity confirming, adaptive predetermination of deceleration point position and stride segment transfer point speed checking. During real time interpolation, stride multi-path parametric interpolation algorithm is set up based on the cubic polynomial acceleration and deceleration control model. The results demonstrate the proposed method realizes high speed machining of consecutive micro line blocks and determination of deceleration point position in advance. The method achieves high speed machining and the productivity is improved significantly. It has been applied in multi-axis high speed micro machining system successfully.
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