The hygiene, safety, and environment risk assessment is becoming a major challenge for companies in the area of security. It constitutes a precondition in the definition of the strategy to be adopted. The vagueness, uncertainty of input parameters, disputes over opinions between decision-makers, and the absence of integrated models of overall hygiene, safety, and environment risk assessment constitute a handicap in the assessment of risks' acceptability. In this article, we propose an integrated model based on fuzzy logic to assess the overall hygiene, safety, and environment risk of machines. This model allows to organize the machines into hierarchy, to put in order management systems according to priority of each machine, and to classify the actions to be implemented by priority within each system. The proposed model is performed in a fuzzy logic toolbox of MATLAB using Mamdani algorithm. A case study is carried out in the Mineral Waters of Oulmes company in order to test the proposed model. A comparison shows that the proposed model offers more accurate, precise, and best results than those of classical methods.
Health, safety, and environment risk assessment, based on company quality, health, safety, and environment commitments, constitutes a precondition in the definition of the strategy to be adopted by the maintenance service. The imperfections of the knowledge; the disputes over opinions among decision-makers; and the absence of health, safety, and environment equipment risk assessment integrated models hinder the assessment of risk acceptability. In this article, we propose a health, safety, and environment risk management approach for the equipment maintenance. This approach expands the scope of action relative to the overall equipment risk-level assessment. It is based, on one hand, on fuzzy logic and, on the other hand, on two methods of decision-making support: the method of converting verbal judgments into numerical values and the pair comparison of decision criteria. This approach allows the maintenance service to implement a health, safety, and environment risk control policy for the most critical equipment. Therefore, it allows to improve the staff and product safety and to protect the environment in accordance with the strategic objectives.
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