基于故障率修正的电梯系统风险模糊综合评价研究  

Fuzzy comprehensive evaluation of elevator system risk based on failure rate correction

作　　者：陈国华[1] 李刚[1] 王新华[1] 王新华 刘英杰 

机构地区：[1]华南理工大学安全科学与工程研究所,广东广州510640 [2]广州市特种机电设备检测研究院研发中心,广东广州510180

出　　处：《中国安全科学学报》2014年第2期59-64,共6页China Safety Science Journal

基　　金：广州市科技计划项目(2011QK321);广东省质量技术监督局科技项目(2013PT05)

摘　　要：为保障电梯运行安全,提高电梯风险评价精度,从电梯事故发生可能性和事故后果严重程度2方面出发,在统计、分析运行故障原因的基础上,提出以设计、制造、安装、维保、改造/重大维修、使用、管理、检验等电梯全寿命周期内的8个环节为主要指标,建立风险评价影响因素体系及电梯系统风险评价模型。采用基于故障率修正的模糊综合评价方法评估电梯系统风险,并建立相应的风险评价等级划分准则。运用风险评价方法对广州某大厦电梯进行实例计算。结果表明,故障率修正系数的引入有利于实现电梯系统风险动态评价,采取加强维保、使用、管理环节以及应急处理等措施能够明显降低电梯运行风险。In order to protect the safe operation of elevators and improve risk assessment accuracy, an elevator system risk assessment model was built. Starting from possibility of elevator accident and severity of the consequences, an impact factor system of risk evaluation was established on the basis of elevator fail- ure statistics analysis and failure analysis, which include eight key indicators of design, manufacture, in- stallation, maintenance, alteration or major repairs, using, management and inspection. The failure rate correction-based fuzzy comprehensive evaluation method of elevator system risk correction was used and ap- propriate risk assessment grading criteria were obtained. An applied calculation example of a certain build- ing lift in Guangzhou shows that introduction of failure rate correction coefficient contributes to re dynamic evaluation of elevator system risk, and that strengthening, management, maintenance gency response would reduce the elevator running risk obviously. alizing the and emer-

关 键 词：电梯系统 故障率修正 风险 指标体系 模糊评价 

分 类 号：X943[环境科学与工程—安全科学]