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2006-09-07 07:11:28 · 3 answers · asked by segar s 1 in Social Science Economics

3 answers

the proposed framework is to determine a collision-free path and corresponding steering control for motion in a dynamic and uncertain environment by carrying out the following steps. First, by explicitly considering a canonical model of nonholonomic systems, the family of feasible trajectories and their corresponding steering controls are derived in a closed form and also expressed in terms of one adjustable parameter for the purpose of collision avoidance. Then, a new collision avoidance condition is developed for the dynamically changing environment, it consists of a time criterion and a geometrical criterion, and it has explicit physical meanings in both the transformed space and the original working space. By imposing the avoidance condition, one can determine one (or a class of) collision-free path(s) in a closed form. Such a path meets all boundary conditions, is twice differentiable, and can be updated in real time once a change in the environment is detected. Solvability condition of the problem is explicitly found. Simulation results are presented to illustrate the proposed framework.

2006-09-11 02:31:09 · answer #1 · answered by Anonymous · 0 0

Depends on the context. Sometimes, "canonic model" refers to the simplest model available; other times, to a model generally accepted and widely used, although it may not be the simplest.

2006-09-07 20:00:12 · answer #2 · answered by NC 7 · 0 0

dont know?

2006-09-07 17:59:31 · answer #3 · answered by babai_ib 3 · 0 0

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