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As a typical abrupt geological hazard, rockfalls are widely distributed and occur frequently. It is often difficult to predict the occurrence, and therefore record and monitor the whole failure process of rockfalls. In this study, with the combined use of terrestrial laser scanning (TLS) and ground-based radar interferometry (GB-InSAR) technologies, a typical small collapse in the Hongshiyan post-earthquake...
Multi-sensor data fusion is a technology to enable combining information from several sources in order to form a unified picture. Focusing on the indirect method, an attempt was made to build up a multi-sensor data fusion system to monitor the condition of grinding wheels with force signals and the acoustic emission (AE) signals. An artificial immune algorithm based multi-signals processing method...
The method of monitoring the wear of piston ring with a magneto-resistive sensor for a marine diesel engine is presented in the paper. The magnetic field intensity variations caused by both the wear and the motion of piston ring are analyzed by simulation. The theoretical basis for monitoring the wear of piston ring with the magneto-resistive sensor for the marine diesel engine is provided.
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