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http://dx.doi.org/10.7746/jkros.2018.13.2.121

Planning of Safe and Efficient Local Path based on Path Prediction Using a RGB-D Sensor  

Moon, Ji-Young (Mechanical Engineering, Korea University)
Chae, Hee-Won (Mechanical Engineering, Korea University)
Song, Jae-Bok (Mechanical Engineering, Korea University)
Publication Information
The Journal of Korea Robotics Society / v.13, no.2, 2018 , pp. 121-128 More about this Journal
Abstract
Obstacle avoidance is one of the most important parts of autonomous mobile robot. In this study, we proposed safe and efficient local path planning of robot for obstacle avoidance. The proposed method detects and tracks obstacles using the 3D depth information of an RGB-D sensor for path prediction. Based on the tracked information of obstacles, the paths of the obstacles are predicted with probability circle-based spatial search (PCSS) method and Gaussian modeling is performed to reduce uncertainty and to create the cost function of caution. The possibility of collision with the robot is considered through the predicted path of the obstacles, and a local path is generated. This enables safe and efficient navigation of the robot. The results in various experiments show that the proposed method enables robots to navigate safely and effectively.
Keywords
Obstacle avoidance; Mobile robot path planning; Path prediction; RGB-D Sensor;
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