移動ロボットの走行安全性に基づく可変分解能速度マップ生成

  • 項 警宇
    Deputy of Mechanical Science & Engineering, Nagoya University
  • 田崎 勇一
    Deputy of Mechanical Science & Engineering, Nagoya University
  • 鈴木 達也
    Deputy of Mechanical Science & Engineering, Nagoya University

書誌事項

タイトル別名
  • Variable-resolution Velocity Roadmap Generation Considering Safety Constraints for Mobile Robots
  • イドウ ロボット ノ ソウコウ アンゼンセイ ニ モトズク カヘン ブンカイノウ ソクド マップ セイセイ

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抄録

This research develops a new roadmap method for autonomous mobile robots based on variable-resolution partitioning of continuous state space. Unlike conventional roadmaps which include position information only, the proposed roadmap also includes velocity information. Each node of the proposed roadmap consists of a fixed position and a range of velocity values, where velocity ranges are determined by variable-resolution partitioning of velocity space. An ordered pair of nodes are connected by a directed link if any combination of velocity values within the ranges represented by the nodes produce a trajectory satisfying a set of safety constraints. In this manner, an executable trajectory connecting arbitrary starting node and destination node is obtained by applying a graph search technique on the proposed roadmap. The proposed method is evaluated through simulations.

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