Algorithmic Foundations of Robotics IX: Selected by Takeo Igarashi, Mike Stilman (auth.), David Hsu, Volkan

By Takeo Igarashi, Mike Stilman (auth.), David Hsu, Volkan Isler, Jean-Claude Latombe, Ming C. Lin (eds.)

Robotics is on the cusp of dramatic transformation. more and more complicated robots with extraordinary autonomy are discovering new functions, from scientific surgical procedure, to development, to domestic companies. in contrast historical past, the algorithmic foundations of robotics have gotten extra the most important than ever, with the intention to construct robots which are speedy, secure, trustworthy, and adaptive. Algorithms let robots to understand, plan, regulate, and examine. The layout and research of robotic algorithms bring up new basic questions that span machine technological know-how, electric engineering, mechanical engineering, and arithmetic. those algorithms also are discovering functions past robotics, for instance, in modeling molecular movement and growing electronic characters for games and architectural simulation. The Workshop on Algorithmic Foundations of Robotics (WAFR) is a hugely selective assembly of major researchers within the box of robotic algorithms. when you consider that its construction in 1994, it has released the various field’s most crucial and lasting contributions. This ebook comprises the complaints of the ninth WAFR, hung on December 13-15, 2010 on the nationwide college of Singapore. The 24 papers integrated during this e-book span a large choice of themes from new theoretical insights to novel applications.

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Algorithmic Foundations of Robotics IX: Selected Contributions of the Ninth International Workshop on the Algorithmic Foundations of Robotics

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Note that μH satisfies all properties of a metric [9]. For our fixed path set generated by Green-Kelly, we precomputed each pairwise path metric value of (2) and stored them in a lookup table for rapid online access. Alg. 4 performs path classification on a set of paths that have already tested collision-free at runtime. We form a graph G = (V, E) in which node vi ∈ V corresponds to path pi . Edge ei j ∈ E joins nodes vi and v j when this relation holds: μH (pi , p j ) ≤ d, (3) where d is the diameter of the robot.

In: Algorithmic Foundation of Robotics VII, pp. : Computing minimum length paths of a given homotopy class. : Polytime algorithm for the shortest path in a homotopy class amidst semi-algebraic obstacles in the plane. In: ISSAC 1998: Proceedings of the 1998 Int. Symp. on Symbolic and algebraic computation, pp. : Search-based Path Planning with Homotopy Class Constraints. In: Proceedings of the Conference on Artificial Intelligence, AAAI (2010) 18 T. Igarashi and M. : A global geometric framework for nonlinear dimensionality reduction.

Durrant-Whyte Fig. 1 A car (small rectangle) is following a previously planned path (solid line) to the goal (dot), but got off track due to disturbances. The left image shows a pure pursuit controller trying to get back on track as quickly as possible, resulting in unnecessary turns (dashed line). A more natural solution is shown in the second picture where the available space is used to elegantly correct the path during the upcoming turn. Mechanical systems frequently exhibit symmetries that can be represented as Lie groups of translation or rotation [8, 14, 17].

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