Learning metric-topological maps for indoor mobile robot navigation
Artificial Intelligence
Artificial intelligence and mobile robots: case studies of successful robot systems
Artificial intelligence and mobile robots: case studies of successful robot systems
Improved Occupancy Grids for Map Building
Autonomous Robots
Occupancy grids: a probabilistic framework for robot perception and navigation
Occupancy grids: a probabilistic framework for robot perception and navigation
Learning Occupancy Grid Maps with Forward Sensor Models
Autonomous Robots
A systematic approach to the problem of odour source localisation
Autonomous Robots
Robotics and Autonomous Systems
Learning gas distribution models using sparse Gaussian process mixtures
Autonomous Robots
Plume mapping via hidden Markov methods
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Chemical Plume Source Localization
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
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In this paper we address the problem of autonomously localizing multiple gas/odor sources in an indoor environment without a strong airflow. To do this, a robot iteratively creates an occupancy grid map. The produced map shows the probability each discrete cell contains a source. Our approach is based on a recent adaptation (Jakuba, 2007) [16] to traditional Bayesian occupancy grid mapping for chemical source localization problems. The approach is less sensitive, in the considered scenario, to the choice of the algorithm parameters. We present experimental results with a robot in an indoor uncontrolled corridor in the presence of different ejecting sources proving the method is able to build reliable maps quickly (5.5 minutes in a 6 mx2.1 m area) and in real time.