A comprehensive approach to real-time fault diagnosis during automatic grit-blasting operation by autonomous industrial robots

Publication Type:
Journal Article
Robotics and Computer-Integrated Manufacturing, 2018, 49 pp. 13 - 23
Issue Date:
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© 2017 Elsevier Ltd This paper presents a comprehensive approach to diagnose for faults that may occur during a robotic grit-blasting operation. The approach proposes the use of information collected from multiple sensors (RGB-D camera, audio and pressure transducers) to detect for 1) the real-time position of the grit-blasting spot and 2) the real-time state within the blasting line (i.e. compressed air only). The outcome of this approach will enable a grit-blasting robot to autonomous diagnose for faults and take corrective actions during the blasting operation. Experiments are conducted in a laboratory and in a grit-blasting chamber during real grit-blasting to demonstrate the proposed approach. Accuracy of 95% and above has been achieved in the experiments.
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