V2EX sampling-based planning

Sampling-Based Planning

释义 Definition

“Sampling-based planning(基于采样的规划)”指一种常用于机器人与自动路径规划的算法思路:不直接在连续空间中精确构造可行路径的完整数学解,而是通过在状态/配置空间中随机或准随机采样,逐步建立可达的图或树结构(如路线图或搜索树),从而寻找从起点到终点的可行路径。常见于高维空间、复杂障碍环境的运动规划问题。

发音 Pronunciation (IPA)

/smpl best pln/

例句 Examples

Sampling-based planning can quickly find a collision-free path for a robot arm.
基于采样的规划可以快速为机械臂找到一条无碰撞路径。

In high-dimensional configuration spaces, sampling-based planning methods like RRT and PRM often outperform grid-based approaches by exploring feasible regions more efficiently.
在高维配置空间中,像 RRT 和 PRM 这样的基于采样的规划方法常常比网格法表现更好,因为它们能更高效地探索可行区域。

词源 Etymology

该短语由三部分构成:sampling(采样)+ based(以……为基础的)+ planning(规划)。在机器人学与计算机科学语境中,“sampling”调用随机/统计方式在连续空间中取点,“planning”指路径/动作序列的求解;合起来表达“以采样为核心机制来完成规划”的方法族。该术语在1990年代后随 PRM、RRT 等代表性算法的提出而广泛流行。

相关词 Related Words

文献与著作 Works & Literature

  • Steven M. LaValle, Planning Algorithms(教材/专著,系统介绍 sampling-based motion planning)
  • Lydia E. Kavraki et al., “Probabilistic Roadmaps for Path Planning in High-Dimensional Configuration Spaces”(提出 PRM 的经典论文)
  • James J. Kuffner Jr. & Steven M. LaValle, “RRT-Connect: An Efficient Approach to Single-Query Path Planning” / 相关 RRT 系列论文(RRT 方法的重要代表作)
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