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Automatic Sweep Scan Path Planning for Five-Axis Free-Form Surface Inspection Based on Hybrid Swept Area Potential Field

机译:基于混合扫描面积势场的五轴自由曲面检测自动扫描扫描路径规划

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Sweep scan is an emerging five-axis inspection technology of retrieving geometric data from free-form surfaces. Compared with the traditional surface inspection by coordinate measuring machine (CMM) that works in a point-by-point manner, sweep scan is able to make the stylus tip continuously sweep at high speed on the surface to inspect, whilst acquiring the 3-D point data accurately and efficiently. However, at present, for an arbitrary free-form surface, it still heavily depends on humans to manually generate a suitable sweep scan path. This paper presents a practical sweep scan path planning method, which can automatically generate an efficient sweep scan path for an arbitrary free-form surface. The resultant sweep scan path is able to cater to the shape of the surface to inspect and the unique kinematic characteristics of the typical five-axis inspection machine, so as to achieve a tremendous increase in inspection efficiency. The experiments performed by us show that when compared with some existing automatic sweep scan path generation algorithms such as the simple zigzag method, the proposed method is able to reduce the total inspection time by as much as seven times.
机译:扫描扫描是一种新兴的五轴检测技术,可从自由曲面获取几何数据。与逐点工作的传统坐标测量机(CMM)进行表面检测相比,扫掠扫描能够使测针尖端连续高速地扫掠以进行检测,同时获取3-D准确有效地指向数据。但是,目前,对于任意自由曲面而言,手动生成合适的扫掠扫描路径仍然严重依赖于人类。本文提出了一种实用的扫掠扫描路径规划方法,该方法可以为任意自由曲面自动生成有效的扫掠扫描路径。最终的扫掠扫描路径能够迎合要检查的表面形状以及典型的五轴检查机的独特运动特性,从而极大地提高了检查效率。我们进行的实验表明,与一些现有的自动扫描路径生成算法(例如简单的之字形方法)相比,该方法可以将总检查时间减少多达七倍。

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