V2EX probabilistic roadmap

Probabilistic Roadmap

释义 Definition

“概率路标法 / 概率路线图(PRM)”:一种常用于机器人与计算几何中的采样式路径规划方法。它通过在可行空间中随机(或准随机)采样生成许多“节点”,再把相邻且可连通的节点用边连接成“路线图(roadmap)”,最后在该图上搜索从起点到终点的路径。(在运动规划中通常指 PRM, Probabilistic Roadmap Method。)

发音 Pronunciation (IPA)

/prbblstk rodmp/

例句 Examples

We used a probabilistic roadmap to plan a collision-free path for the robot arm.
我们使用概率路线图为机械臂规划了一条无碰撞路径。

In high-dimensional configuration spaces, a probabilistic roadmap can be faster than grid-based search, though it may require careful sampling and connection strategies.
在高维构型空间中,概率路线图可能比网格搜索更快,但往往需要精心设计采样与连边策略。

词源 Etymology

probabilistic 来自 probability(概率)+ 形容词后缀 -istic,表示“基于概率的/带有概率性质的”;roadmap 原义是“路线图”,在技术语境中引申为“由节点与连接关系构成的导航图/规划图”。合起来指“用概率采样构建的可行路径图”。

相关词 Related Words

文献与著作中的用例 Literary / Notable Works

  • Kavraki, vestka, Latombe, Overmars (1996), Probabilistic roadmaps for path planning in high-dimensional configuration spaces(提出并系统化 PRM 的经典论文)
  • Steven M. LaValle, Planning Algorithms(路径规划教材,涵盖 PRM 等采样式方法)
  • Howie Choset et al., Principles of Robot Motion: Theory, Algorithms, and Implementations(机器人运动规划教材,讨论 PRM 与相关算法)
  • Jean-Claude Latombe, Robot Motion Planning(运动规划经典著作,与 PRM 思想相关并常被并读引用)
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