In a conventional dial-a-ride-system passengers are moved with the same vehicle between their pickup and their drop-off location. In a dial-a-ride-system with transfer, it is possible (or even standard) that passengers change the vehicle once or several times. Transfer Scheduling Constraints...

The transformer is one of the most useful pieces of equipment in a power system. The objective of the optimum design is to build the equipment as economically as possible. The design which fulfils certain limitations is subordinated to the question of economic manufacture. This paper presents a...