Paper title:

A New Genetic Approach for Course Timetabling Problem

Published in: Issue 1, (Vol. 15) / 2021
Publishing date: 2021-04-19
Pages: 9-14
Author(s): BALAN Ionuț
Abstract. Educational timetabling problems, such as university exam timetabling, university course timetabling and school timetabling, are combinatorial optimization problems that require the allocation of a set of resources to meet some objectives, based a specified set of constraints [1]. The university course timetabling is often finalized in stages, the data changes making it impossible to return to a certain previous version. As each version is announced to the community, it is desirable to have a robust initial schedule, i.e. one that can be repaired with a limited number of changes, being a version that, through modifications, will lead to a new solution whose quality is better [2]. In this article we used genetic algorithms that, based on heuristics, generate an initial population of good quality schedules. Within the described algorithm we calculate a fitness function that takes into account the windows between teaching activities, but also takes into account the efficient use of space, but also a maximum number of lectures per day. To test the algorithm we used a set of real data from the Faculty of Economics and Public Administration, belonging to "Ştefan cel Mare" University from Suceava, Romania.
Keywords: Timetabling, Genetic Algorithm, Chromosomes, Generations, Greedy, NEH, Job Shop Scheduling, Optimization

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