用模糊信号检测理论量化工人危险识别

Tariq Sami Adbelhamid
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引用次数: 6

摘要

工人的安全和健康是建筑行业的一个主要问题,因为经历了大量的职业伤害和死亡。先前的研究表明,这种伤害和死亡是多原因的,其中之一可能是工人飘向危险。本研究的目的是开发一种方法来量化建筑工人识别危险的能力,从而最大限度地减少这种漂移。这篇论文并没有报道在研究中被调查的工人群体中关于危险识别能力的具体发现。相反,它是对一种新方法的尝试,该方法可以增强对工人危险识别能力的评估。本研究应用模糊信号检测理论(FSDT)的混合模型来量化工人识别职业危害的能力。数据是通过一项调查收集的,该调查旨在评估建筑工人对安全的认识,特别是对钢结构工人坠落事故的风险。一项有18个问题的调查是根据美国国家安全机构制定的标准,并在没有违规、完全违规和部分违规的情况下进行的。采用传统的信号检测理论(SDT)和FSDT进行分析,并对分析结果进行比较。结果表明,FSDT模型为研究建筑工地工人的危险感知提供了更丰富的框架。该方法有望为类似研究提供指导框架。增加本文所述类型的数据收集将使国家机构能够完善和修订建筑职业安全和卫生条例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Quantifying Workers’ Hazard Identification Using Fuzzy Signal Detection Theory
Workers' safety and health is a primary concern in the construction industry due to the significant number of occupational injuries and fatalities experienced. Previous research indicates that such injuries and fatalities are multi-causal, and one of which may be workers drifting towards hazard. The purpose of this study was to develop a method to quantify the ability of construction workers to identify hazards such that this drifting can be minimized. The paper is not reporting on a specific finding regarding hazard identification ability amongst the population of workers surveyed in the research. Rather, it is a foray into a new method that augments assessment of hazard identification abilities of workers. This research applied a hybrid model, Fuzzy Signal Detection Theory (FSDT) to quantify workers' ability to identify occupational hazards. Data was collected using a survey designed to assess construction workers' perceptions of safety specific to the risk of fall accidents for structural steel workers. An eighteen-question survey was based on standards set by national safety agencies in the United States and on a mix of conditions that were with no violation, a complete violation, and a partial violation. Both the conventional Signal Detection Theory (SDT) and FSDT were used for analysis and the results were compared. The comparison of results indicated that the FSDT model provided a richer framework to study worker hazard perception on a construction site. The methodology is expected to provide guiding framework for similar studies. Increasing data collection of the type presented in this paper will enable refinement and revision of construction occupational safety and health regulations by national agencies.
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