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Thermal Tracking in Mobile Robots for Leak Inspection Activities

Research Area: Uncategorized Year: 2013
Type of Publication: Article Keywords: thermal image; leak detection; particle filter; tracking
Authors:
  • Loreto Susperregi and Inaki Jorge Molina Aitor Ibarguren *
Journal: Sensors Volume: 13
Pages: 13560-13574;
ISSN: 1424-8220
Abstract:
Maintenance tasks are crucial for all kind of industries, especially in extensive industrial plants, like solar thermal power plants. The incorporation of robots is a key issue for automating inspection activities, as it will allow a constant and regular control over the whole plant. This paper presents an autonomous robotic system to perform pipeline inspection for early detection and prevention of leakages in thermal power plants, based on the work developed within the MAINBOT (http://www.mainbot.eu) European project. Based on the information provided by a thermographic camera, the system is able to detect leakages in the collectors and pipelines. Beside the leakage detection algorithms, the system includes a particle filter-based tracking algorithm to keep the target in the field of view of the camera and to avoid the irregularities of the terrain while the robot patrols the plant. The information provided by the particle filter is further used to command a robot arm, which handles the camera and ensures that the target is always within the image. The obtained results show the suitability of the proposed approach, adding a tracking algorithm to improve the performance of the leakage detection system.
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