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An algorithm used for navigation stack

asked 2012-06-26 14:40:06 -0500

moyashi gravatar image

Hi, I've read the paper "The Office Marathon".

I couldn't understand whether "the gradient method(reference [13])" is used for local planning or global planning. In the paper, global planner uses the method as global planning apparently. However, in the reference [13], I think it is introduced as local planning.

My question is the gradient method is used for ... what?

It's originally for local planning, but in the case it's applied to global planner? If so, will costmap all over the environment be calculated before a robot moves?

Thank you in advance.

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answered 2012-06-27 04:01:27 -0500

KruseT gravatar image

The reference [13] introduces the gradient method as a method that unifies global and local planning. "The Office Marathon" explains that the gradient method had drawbacks for local planning, so that it was only used for global planning.

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Asked: 2012-06-26 14:40:06 -0500

Seen: 396 times

Last updated: Jun 27 '12