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关于清晰对齐器灵活制造路径规划的研究
Kuntao Huang1,2, Sheng Gao1,2, Cheng Zou1,2
1School of Mechanical & Electrical Engineering, Wuhan Institute of Technology, Wuhan, 430205, China.
Scientific reports
|July 1, 2024
概括
这项研究引入了PCA-ICP注册算法,以精确对齐牙科模型,以制造清晰的对齐器. 这提高了自动化,并降低了生产定制牙对齐器的成本.
科学领域:
- 生物医学工程 生物医学工程
- 制造业 制造技术 制造技术
- 计算机辅助设计 计算机辅助设计
背景情况:
- 透明对齐器越来越多地用于牙科纠正,但制造业面临着诸如低自动化和高成本等挑战.
- 一个关键的问题是牙数据和牙科CAD模型之间的坐标系不匹配.
- 现有的方法缺乏用于自动化,高质量的清晰对齐器生产所需的精度.
研究的目的:
- 开发一个自动化和成本效益的制造工艺,用于清晰的对齐器.
- 为解决牙科数据注册中的坐标系不匹配问题.
- 为了提高清晰对齐器加工的精度和效率.
主要方法:
- 提出了一个主要组件分析-代式最接近点 (PCA-ICP) 注册算法,用于准确的点云对齐.
- 使用主要组件分析 (PCA) 实现了一个粗匹配算法.
- 利用z级动态分层ICP来精确确定姿势,并为ABB工业机器人生成机器人可执行路径.
主要成果:
- 实现了0.03mm的最大注册距离误差,低于典型的机器人加工公差.
- 成功生成基于注册的牙曲线的工具路径,避免加工过程中的干扰.
- 使用工业机器人,证明了透明调整器的有效灵活切割和产品提取.
结论:
- PCA-ICP算法有效地解决了在清晰对齐器制造中的坐标系统不匹配问题.
- 拟议的方法使复杂的牙科应用程序的自动化,精确和高效的削路径规划成为可能.
- 这项研究验证了一种更自动和更具成本效益的方法来清除对齐器的生产.
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