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Autonomous Robotic Gamma Radiation Measurement
Lázna, Tomáš ; Burian, František (oponent) ; Žalud, Luděk (vedoucí práce)
This thesis focuses on autonomous localization of radiological sources in a defined area of interest. Its aim is to develop localization strategies and a platform on which they can be tested. The platform is based on reconnaissance robot Orpheus-X3, scintillation detectors and a precise GNSS receiver. Algorithm for creating a radiation distribution map is extended. New methods based on directional sensitivity of proposed detection system are introduced. Initial exploration of the area of interest is done by using circular trajectories. All algorithms are tested both by simulation and real experiments. The achieved precision of localization is in order of tens of centimeters. Time efficiency is increased approximately two to five times by applying new algorithms. One of the contributions of the thesis is a development of a modular system that could be transferred and adjusted to different platforms. The advantage of the used system is a high degree of autonomy and safety for a human operator.
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Autonomous Robotic Gamma Radiation Measurement
Lázna, Tomáš ; Burian, František (oponent) ; Žalud, Luděk (vedoucí práce)
This thesis focuses on autonomous localization of radiological sources in a defined area of interest. Its aim is to develop localization strategies and a platform on which they can be tested. The platform is based on reconnaissance robot Orpheus-X3, scintillation detectors and a precise GNSS receiver. Algorithm for creating a radiation distribution map is extended. New methods based on directional sensitivity of proposed detection system are introduced. Initial exploration of the area of interest is done by using circular trajectories. All algorithms are tested both by simulation and real experiments. The achieved precision of localization is in order of tens of centimeters. Time efficiency is increased approximately two to five times by applying new algorithms. One of the contributions of the thesis is a development of a modular system that could be transferred and adjusted to different platforms. The advantage of the used system is a high degree of autonomy and safety for a human operator.
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