Abstract

Reliability and safety are fundamental attributes in the operation of modern technological systems. The search for optimal system design solutions, operation procedures, and maintenance strategies that minimize cost and maximize reliability dates back to the 1960s. In recent years, safety has gained increased importance in highly hazardous activities and critical infrastructures, with a demand to be maximized. These multiple attributes must all be considered in the search for optimal design solutions, operation procedures, and maintenance strategies, rendering the optimization problem multi-objective. This chapter presents a holistic framework to address multi-objective optimization, introducing the principles for problem solution, defining the performance measures of the solution methods and presenting the methods for selecting the final preferred solution(s). The material is developed and presented taking as reference one example of redundancy allocation problem.

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