引入FMEA plus方法,用于在钢铁行业全面评估安全风险
Ahmad Soltanzadeh1, Esmaeil Zarei2, Mohsen Mahdinia1
1Research Center for Environmental Pollutants, Department of Occupational Safety & Health Engineering, Faculty of Health, Qom University of Medical Sciences and Health Services, Qom, Iran.
PloS one
|October 9, 2025
概括
本研究介绍了FMEA+,这是一种改善故障模式和影响分析的实用安全风险评估方法. 它量化了行业中更好的决策风险因素.
科学领域:
- 工程风险分析 工程风险分析
- 安全管理系统安全管理系统
- 决策支持系统是什么?
背景情况:
- 综合性风险分析具有挑战性,缺乏量化所有因素的方法.
- 传统的故障模式和影响分析 (FMEA) 在实际应用方面存在局限性.
- 需要一种更细微和科学验证的风险评估方法.
研究的目的:
- 引入一种实际的安全风险评估方法,FMEA+,增强传统的FMEA.
- 通过专家的共识,制定一个全面的风险因素分类学.
- 验证拟议的风险评估框架的可靠性和可信性.
主要方法:
- 一个三阶段的Delphi研究与35个主题专家 (中小企业) 建立一个风险分类.
- 模糊分析层次过程 (FAHP) 用于权衡风险因素和子因素.
- 使用内容有效率比率 (CVR),内容有效率指数 (CVI) 和Cronbach的alpha进行验证.
主要成果:
- FMEA+方法包括三个主要因素 (发生,严重程度,可检测性) 和12个子因素.
- 规范化重量分配:发生率 (0.337),严重程度 (0.348),可检测性 (0.315).
- 确定了关键的子因素:人体可靠性 (发生),人体伤害 (严重程度) 和技术检查 (可检测性).
结论:
- FMEA+方法为传统的FMEA提供了一个科学 robust 和全面的替代方案.
- 经过验证的分类学支持知情决策和有效的风险减轻.
- 这种方法为面临复杂安全挑战的行业提供了细微的解决方案.
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