通过团队决策方法进行人体工程学风险评估,在不确定性条件下进行果加工
Arun Kumar Periyasamy1, Sivaram Nantha Muthu1, Sankaranarayanasamy Krishnasamy1
1Department of Mechanical Engineering, National Institute of Technology Puducherry, Karaikal, India.
Work (Reading, Mass.)
|June 30, 2025
概括
果仁加工的工人面临着肌肉骨系统疾病 (MSD) 的高风险. 一种新的模糊逻辑方法改进了人体工程学风险评估 (ERA),识别了花作为高风险,并推了保护工人的干预措施.
科学领域:
- 职业健康 职业健康 职业健康
- 人体工程学就是人体工程学.
- 工业安全 工业安全 工业安全
背景情况:
- 劳动密集型行业,如果仁加工,具有显著的肌肉骨疾病 (MSDs) 的风险.
- 妇女占劳动力的多数,受人体工程学风险的影响不成比例.
- 传统的人体工程学风险评估 (ERA) 方法难以解释主观工人不适和风险感知,导致潜在的风险低估.
研究的目的:
- 开发和介绍一种基于模糊逻辑的新方法来增强人体工程学风险评估 (ERA).
- 为预测和管理人体工程学风险提供更精确的框架,特别是在果加工单位内.
- 验证模糊逻辑在解决风险评估中的不确定性方面的有效性.
主要方法:
- 进行了两阶段的研究,首先是使用结构化问卷来衡量工人在八小时班次中的不适.
- 在第二阶段,系统地确定了人体工程学的危险.
- 使用模糊不确定性模型来分析风险因素的暴露,并评估人体工程学风险的水平.
主要成果:
- 喀什果炮击被确定为高风险活动,主要影响女性工人.
- 长时间的干部曲和高度重复的运动 (每天超过20次/分钟重复>6小时) 是高风险的关键因素.
- 模糊计算证实了子削的高风险水平,强调了需要立即进行人体工程学干预的需要.
结论:
- 将模糊逻辑集成到ERA中显著提高了评估人体工程学风险的准确性.
- 这种方法有助于早期检测工业环境中的潜在人体工程学危险.
- 根据基于模糊逻辑的风险评估,主动实施人体工程学干预措施,可以大幅减少与工作有关的伤害,并改善工人的整体福祉.
更多相关视频
相关概念视频
Decision Making: Traditional Method
4.2K
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
4.2K
Decision Making: P-value Method
5.7K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
5.7K
Decision Making
242
Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Automatic decision-making is fast, intuitive, and relies on gut feelings...
242
Groupthink
45.5K
When in group settings, we are often influenced by the thoughts, feelings, and behaviors around us. Groupthink is another phenomenon of conformity where modification of the opinions of members in a group aligns with what they believe is the group consensus (Janis, 1972). In such situations, the group often takes action that individuals would not perform outside the group setting because groups make more extreme decisions than individuals do. Moreover, groupthink can hinder opposing trains of...
45.5K
Factors Affecting Workability
123
The workability of concrete is a critical characteristic that influences the ease of mixing, handling, and finishing the concrete. It is affected by several factors including water content, aggregate properties, and admixtures like air entrainment. Water plays a fundamental role as it lubricates the concrete mix, facilitating easier movement and placement. However, the water requirement varies depending on the texture and shape of aggregates. Finer particles and angular, rough-textured...
123
Ethical Dilemmas II
1.4K
Resolving an ethical dilemma in healthcare involves a systematic approach that considers every aspect of the issue, respecting both the patient's needs and values and the healthcare professional's ethical obligations. Here are potential steps to resolve an ethical dilemma:
1.4K


