基于桥梁健康监测的传感器优化布置研究现状与发展趋势

Research Status and Development Trend of Optimal Sensor Placement Based on Bridge Health Monitoring

从传感器监测项目优化、数量优化和位置优化3个方面综述传感器优化布置的研究现状。重点探讨传感器位置优化,系统介绍了基于模态可观测性和基于损伤可识别性的传感器优化布置准则、布置方法和布置评价准则,对比分析各种布置方法之间的脉络关系、技术演变及其优缺点,最后指出传感器优化布置研究存在的几点不足及其技术发展趋势。

By monitoring items ,the number of optimization and location optimization from three aspects of the optimal sensor placement , the research status of optimal sensor placement was summarized . The sensor location optimization was emphatically discussed based on modal observability and the injury identifiable criterion ,and the sensor placement rule ,layout methods and evaluation criteria were systematically introduced . Meanwhile , the relations of different layout methods and technology evolutions were compared ,and the advantages and disadvantages were also analyzed .Finally ,the deficiencies of methods of the optimal sensor placement were pointed out ,the technology trends of optimal sensor placement were prospected .