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GNM: GridCell navigational model
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DOI：10.1016/j.eswa.2020.113217.png)
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It has been shown that grid cell firing patterns in the medial entorhinal cortex, can be used as a mapping reference for spatial navigation in mice and other mammalian species. In this paper, we propose a novel computational model for patterns of grid cells and combine it with a mechanism to tune the weights of cells, which we use to create a decision-making process for robot navigation. The method is used as an unsupervised method for uninformed online search with unknown goal positions and unknown environments, such as finding the exit out of a maze or help a robot to find its way in a jungle where there is no clue about the exit. The results of this approach in simulated and real environments show superior algorithmic steps over current search methods. In addition, the typical size of the memory can be reduced without compromising completeness of the method. Our results show that the number of steps is stable in terms of variations in memory allocations. (C) 2020 Elsevier Ltd. All rights reserved.
Keyword:
Gridcell
Navigation
Exploration
Robotic
Computational model
Path-planning
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IF:
7.5
论文数:
2.9W
被引数:
10.2W
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