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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Velocity obstacle ： ウィキペディア英語版 Velocity obstacle In robotics and motion planning, a velocity obstacle, commonly abbreviated VO, is the set of all velocities of a robot that will result in a collision with another robot at some moment in time, assuming that the other robot maintains its current velocity. If the robot chooses a velocity inside the velocity obstacle then the two robots will eventually collide, if it chooses a velocity outside the velocity obstacle, such a collision is guaranteed not to occur.〔 This algorithm for robot collision avoidance has been repeatedly rediscovered and published under different names: in 1989 as a maneuvering-board approach, in 1993 it was first introduced as the "velocity obstacle", in 1998 as collision cones, and in 2009 as forbidden velocity maps. The same algorithm has been used in maritime port navigation since at least 1903. The velocity obstacle for a robot $A$ induced by a robot $B$ may be formally written as :$$ VO_ = \ - \mathbf_B)t \in D(\mathbf_B - \mathbf_A, r_A + r_B) \} where $A$ has position $\backslash mathbf\_A$ and radius $r\_A$, and $B$ has position $\backslash mathbf\_B$, radius $r\_B$, and velocity $\backslash mathbf\_B$. The notation $D(\backslash mathbf,\; r)$ represents a disc with center $\backslash mathbf$ and radius $r$. Variations include common velocity obstacles (CVO), finite-time-interval velocity obstacles (FVO), generalized velocity obstacles (GVO), hybrid reciprocal velocity obstacles (HRVO), nonlinear velocity obstacles (NLVO), reciprocal velocity obstacles (RVO), and recursive probabilistic velocity obstacles (PVO). == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Velocity obstacle」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.