Course Planning at Lufthansa Technical Training: Constructing More Profitable Schedules
نویسندگان
چکیده
Lufthansa Technical Training GmbH (LTT) runs training courses for Lufthansa Technik AG and for several other international airlines. It offers about 670 types of courses of which several hundred take place each year. The course-scheduling problem LTT faces is to develop a schedule for the year that maximizes its profit while meeting complex precedence, temporal , and resource-related constraints. A good operational schedule should also meet a number of subordinate objectives. In the past, LTT did all its scheduling manually. We developed a prototype course-scheduling module, using the operational planning situation of 1996 as our major test instance. It turned out that most of the schedules generated were substantially better than the solution LTT constructed manually, both in terms of profit and computation time. We subsequently developed a fully fledged decision-support system. L ufthansa German Airlines, the Ger-man national flag carrier, is one of the largest employers in the country, with currently more than 50,000 employees in the Lufthansa group. Almost one quarter of these are with Lufthansa Technik AG, which is responsible for the checks, maintenance , and overhauls required in commercial aviation; the training of this technical staff is entrusted to Lufthansa Technical Training GmbH (LTT). Although Lufthansa Technik AG remains the
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ورودعنوان ژورنال:
- Interfaces
دوره 29 شماره
صفحات -
تاریخ انتشار 1999