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3D LineExplore:用于多层PCB几何路由的3D线路探索方法
Niannian Sun1, Jixin Zhang2, Ning Xu3
1School of Computer Science, Hubei University of Technology, Wuhan, 430068, China.
Scientific reports
|January 29, 2026
概括
一种新的3D几何路由方法,3D LineExplore,增强了多层印刷电路板 (PCB) 的设计. 这种先进的方法提高了路由成功率和效率,克服了传统基于网格和2D方法的局限性.
科学领域:
- 电气工程 电气工程
- 计算机科学 计算机科学
- 计算几何学的计算几何学
背景情况:
- 印刷电路板 (PCB) 的路由复杂性正在随着先进的电子产品而增加.
- 当前的多层PCB路由方法 (例如A*) 面临网格分辨率限制和高计算成本.
- 现有的没有网格的方法通常仅限于2D,不适合多层设计.
研究的目的:
- 为多层PCB引入一种基于3D线路探索的新型几何路由方法.
- 克服电网分辨率限制,提高路由效率.
- 为复杂的多层路由场景提供本机支持.
主要方法:
- 一个以"雷达"为灵感的扫描算法根据设计规则和障碍物确定最佳的探索点.
- 一个障碍回避启发式路径优化算法计划有效的路径,包括层过渡.
- 一个多针网修复和电线形状优化模块确保了路由能力和路径流性.
主要成果:
- 拟议的3D LineExplore方法在开源PCB数据集上取得了超过98%的路由成功.
- 与最先进的方法相比,证明了更短的线长和更高的效率.
- 它的性能优于商业工具,如FreeRouting,ELECTRA,DeepPCB和优化3D-A*.
结论:
- 3D LineExplore 方法有效地解决了多层 PCB 路由方面的挑战.
- 为现有的基于网格的和2D无网格的方法提供了优质的替代方案.
- 在复杂的PCB设计中显著提高路由成功,效率和路径质量.
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