Second, there is a developing literature concerning different aspects of railway operations optimization ,such as crew and vehicle scheduling and train scheduling and routing .This literature typically uses engineering objectives such as minimizing total operations cost(see Capraraetal.(2007) for an overview).Social welfare or any other
Economic objective function, however, is typically not considered in this literature. Demand is usually handled simplistically, and if passenger welfare is taken into account, this is done in a crude or heuristic fashion such as maximizing the number of passengers able to reach their destination without an interchange .A rare example of an economic objective function is Brännlun de tal.(1998), who present an algorithm that schedules a set of trains to obtain a profit-maximizing timetable without violating track capacity constraints
Second, there is a developing literature concerning different aspects of railway operations optimization ,such as crew and vehicle scheduling and train scheduling and routing .This literature typically uses engineering objectives such as minimizing total operations cost(see Capraraetal.(2007) for an overview).Social welfare or any other
Economic objective function, however, is typically not considered in this literature. Demand is usually handled simplistically, and if passenger welfare is taken into account, this is done in a crude or heuristic fashion such as maximizing the number of passengers able to reach their destination without an interchange .A rare example of an economic objective function is Brännlun de tal.(1998), who present an algorithm that schedules a set of trains to obtain a profit-maximizing timetable without violating track capacity constraints
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