Prof. Tomasz Buratowski Profile

Prof. Tomasz Buratowski

at AGH Univ of Science and Technology

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Proceedings Article | 5 October 2017 Presentation + Paper

Autonomous mobile platform with simultaneous localisation and mapping system for patrolling purposes

Łukasz Mitka, Tomasz Buratowski

Proceedings Volume 10441, 104410L (2017) https://doi.org/10.1117/12.2278407

KEYWORDS: Particles, Data modeling, Laser scanners, Surveillance, Global Positioning System, 3D modeling, Particle filters, Error analysis, Navigation systems, Optical filters

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This work describes an autonomous mobile platform for supervision and surveillance purposes. The system can be adapted for mounting on different types of vehicles. The platform is based on a SLAM navigation system which performs a localization task. Sensor fusion including laser scanners, inertial measurement unit (IMU), odometry and GPS lets the system determine its position in a certain and precise way. The platform is able to create a 3D model of a supervised area and export it as a point cloud. The system can operate both inside and outside as the navigation algorithm is resistant to typical localization errors caused by wheel slippage or temporal GPS signal loss. The system is equipped with a path-planning module which allows operating in two modes. The first mode is for periodical observation of points in a selected area. The second mode is turned on in case of an alarm. When it is called, the platform moves with the fastest route to the place of the alert. The path planning is always performed online with use of the most current scans, therefore the platform is able to adjust its trajectory to the environment changes or obstacles that are in the motion. The control algorithms are developed under the Robot Operating System (ROS) since it comes with drivers for many devices used in robotics. Such a solution allows for extending the system with any type of sensor in order to incorporate its data into a created area model. Proposed appliance can be ported to other existing robotic platforms or used to develop a new platform dedicated to a specific kind of surveillance. The platform use cases are to patrol an area, such as airport or metro station, in search for dangerous substances or suspicious objects and in case of detection instantly inform security forces. Second use case is a tele-operation in hazardous area for an inspection purposes.

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