International Journal of Intelligent Systems and Applications(IJISA)
ISSN: 2074-904X (Print), ISSN: 2074-9058 (Online)
Published By: MECS Press
IJISA Vol.6, No.8, Jul. 2014
Optimized Angular a Star Algorithm for Global Path Search Based on Neighbor Node Evaluation
Full Text (PDF, 311KB), PP.46-52
Any electromechanical device can be termed as Robot, which imitates human actions and in some of the situation can be used as a replacement for human. These days Robots are the integral part of our life and can be applied in several applications and tasks by giving respective commands. The research in robotics domain is to make it as autonomous and as much independent as it can be. The problem that arises is of controlling a mobile robot with the energy constraint. A lot of energy is wasted, if it takes wrong trajectory motion, this motion depends upon the robot knowledge which indeed in not constant. The variation in the environment results in making difficult for the robot to take precise and accurate measurements to reach the destination without much of the energy loss. An autonomous robot is expected to take decision according to the situation. For this precise decisions of robot path planning there are algorithms like A*, Dijkstra, D* etc. In this paper we have done analysis on partially known environment situation. Optimal path is planned by new heuristic approach over the A star algorithm, robot moving at an appropriate angle cuts down the unnecessary cost of path planning. Experimental results show that the proposed algorithm is much effective for more than 8% than the conventional A* algorithm in the same map environment.
Cite This Paper
Ankit Bhadoria, Ritesh Kumar Singh,"Optimized Angular a Star Algorithm for Global Path Search Based on Neighbor Node Evaluation", International Journal of Intelligent Systems and Applications(IJISA), vol.6, no.8, pp.46-52, 2014. DOI: 10.5815/ijisa.2014.08.05
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