Abstract
This is a summary report for the 5th International Forum on Opto-electronic Sensor-based Monitoring in Geo-engineering(5th OSMG-2014). This forum was held in Nanjing University in Oct 2014. The forum shows the following features in recent research:(1)The opto-electronic demodulation technologies are undergoing numerous developments and the monitoring accuracy and reliability are significant enhanced.(2)More and more sensors for geo-engineering monitoring have been developed recently, which can meet nearly all the requirements of engineering monitoring.(3)The performance testing and installation techniques of the opto-electronic sensors have become a hot research topic.(4)The opto-electronic sensor-based health diagnosis and monitoring theories have become more mature recently.(5)The applications of distributed sensing technologies in monitoring engineering structures have been advocated extensively and the sensor systems have been introduced into a variety of disciplines. The future research can focus on the following aspects:(1)Development of cost-effective demodulation techniques for distributed fiber optic sensing technology. (2)Development of fiber optic sensors for geo-engineering monitoring. (3)The field installation methods of fiber optic sensors in harsh environments. (4)Real-time processing, error analysis and anomaly recognition of huge monitoring data. (5)Transmission technologies of huge monitoring data. (6)Early warning and stability assessment methods in geo-engineering based on distributed monitoring technologies.
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