A three-axis linkage operation method capable of self-adaptive realization of movement in any orientation

By adopting an adaptive three-axis linkage operation method and using "frog-jump" curve and acceleration/deceleration curve planning, the problem of non-optimal path planning during workpiece processing is solved, and efficient workpiece processing is achieved.

CN116755383BActive Publication Date: 2026-03-24SUZHOU MOU XUN INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-14
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing technologies suffer from long running times and low efficiency during workpiece processing, especially in laser cutting and continuous drilling, due to non-optimized path planning. In particular, when obstacle avoidance is required, frequent deceleration is necessary, resulting in sluggish and unsmooth movements.

Method used

An adaptive three-axis linkage operation method is adopted. By constructing a "frog jump" curve, the superposition of three linear motion segments is achieved. The uniform speed segment is eliminated. The acceleration and deceleration speed curve is used to ensure that there are no large angles and frequent decelerations during the motion process, so as to achieve the shortest total motion time.

Benefits of technology

This achieves the shortest movement time during workpiece processing, with no large turning angles or frequent decelerations during movement, thus improving processing efficiency and shortening running time.

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Abstract

The present application relates to the technical field of numerical control machining.A three-axis linkage operation method capable of self-adapting to realize arbitrary orientation movement includes the following steps: the whole process is virtually three straight line movements: ABE, EF and FCD, and the velocities, accelerations and the like of each endpoint A, E, F and D are all 0, the BE segment is pure deceleration movement, FC is pure acceleration movement, and they perform superimposed movement with EF in different time periods, so that the intermediate "frogs' leap" curve is obtained AB +t EF +t CD . Wherein A, B, C and D are four fixed points initially set according to machining requirements, A and D are respectively start and end points, AB and CD are respectively linear segments with limited trajectories, and E and F are respectively points on the extension lines of the linear segments AB and DC. The technical scheme of the present application realizes the shortest whole process movement time of the movement target, has no large corner in the movement process, has no frequent deceleration processing, and has short operation time.
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