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Decision Support System for Designing Effective Noise Hazard Prevention Strategies

Asawarungsaengkul K., Nanthavanij S., Chalidabhongse J.

International Journal of Occupational Safety and Ergonomics

2007

Vol. 13, No. 4

451--470

A decision support system for designing effective noise hazard prevention (NHP) strategies is proposed. NHP consists of four modules: (a) database, (b) input, (c) algorithms, and (d) solution. The user can choose among single-, two-, and three-approach solution procedures. Heuristic and genetic algorithms are used to determine appropriate noise controls (NCs). From the given noise condition and NC budget, NHP recommends a minimum-cost NHP strategy that prevents any worker’s daily noise exposure from exceeding the permissible level. If the budget is insufficient, NHP is able to search for a feasible noise hazard strategy that requires a minimum NC budget.