Tactile Aware Dynamic Obstacle Avoidance in Crowded Environment with Deep Reinforcement Learning

Fuente: arXiv
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Auteurs principaux: Ng, Yung Chuen, Lim, Qi Wen Shervina, Tan, Chun Ye, Gan, Zhen Hao, Chuah, Meng Yee Michael
Format: Preprint
Publié: 2024
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author Ng, Yung Chuen
Lim, Qi Wen Shervina
Tan, Chun Ye
Gan, Zhen Hao
Chuah, Meng Yee Michael
author_facet Ng, Yung Chuen
Lim, Qi Wen Shervina
Tan, Chun Ye
Gan, Zhen Hao
Chuah, Meng Yee Michael
contents Mobile robots operating in crowded environments require the ability to navigate among humans and surrounding obstacles efficiently while adhering to safety standards and socially compliant mannerisms. This scale of the robot navigation problem may be classified as both a local path planning and trajectory optimization problem. This work presents an array of force sensors that act as a tactile layer to complement the use of a LiDAR for the purpose of inducing awareness of contact with any surrounding objects within immediate vicinity of a mobile robot undetected by LiDARs. By incorporating the tactile layer, the robot can take more risks in its movements and possibly go right up to an obstacle or wall, and gently squeeze past it. In addition, we built up a simulation platform via Pybullet which integrates Robot Operating System (ROS) and reinforcement learning (RL) together. A touch-aware neural network model was trained on it to create an RL-based local path planner for dynamic obstacle avoidance. Our proposed method was demonstrated successfully on an omni-directional mobile robot who was able to navigate in a crowded environment with high agility and versatility in movement, while not being overly sensitive to nearby obstacles-not-in-contact.
format Preprint
id arxiv_https___arxiv_org_abs_2406_13434
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Tactile Aware Dynamic Obstacle Avoidance in Crowded Environment with Deep Reinforcement Learning
Ng, Yung Chuen
Lim, Qi Wen Shervina
Tan, Chun Ye
Gan, Zhen Hao
Chuah, Meng Yee Michael
Robotics
Mobile robots operating in crowded environments require the ability to navigate among humans and surrounding obstacles efficiently while adhering to safety standards and socially compliant mannerisms. This scale of the robot navigation problem may be classified as both a local path planning and trajectory optimization problem. This work presents an array of force sensors that act as a tactile layer to complement the use of a LiDAR for the purpose of inducing awareness of contact with any surrounding objects within immediate vicinity of a mobile robot undetected by LiDARs. By incorporating the tactile layer, the robot can take more risks in its movements and possibly go right up to an obstacle or wall, and gently squeeze past it. In addition, we built up a simulation platform via Pybullet which integrates Robot Operating System (ROS) and reinforcement learning (RL) together. A touch-aware neural network model was trained on it to create an RL-based local path planner for dynamic obstacle avoidance. Our proposed method was demonstrated successfully on an omni-directional mobile robot who was able to navigate in a crowded environment with high agility and versatility in movement, while not being overly sensitive to nearby obstacles-not-in-contact.
title Tactile Aware Dynamic Obstacle Avoidance in Crowded Environment with Deep Reinforcement Learning
topic Robotics
url https://arxiv.org/abs/2406.13434