Browsing by Author "AMİNBAKHSH, Saman"
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Item IMPLEMENTATION OF EXPERT SYSTEMS IN CAPP FOR PREDICTIVEMAINTENANCE IN DISCRETE MANUFACTURING SYSTEMS(2022-03-01) Al-Humairi, Elaf Riyadh Resen; LOTFISADIGH, Bahram; AMİNBAKHSH, SamanStrict global market competition and continuously changing customer demands, push manufacturing enterprises towards flexible manufacturing systems. In this way, pro cess planning and scheduling steps are truly crucial for manufacturers. Especially in the case of flexible job shops with volume and product type flexibility, these pro cesses become even more critical. A new industrial revolution called “Industry 4.0” brings new technological possibilities by integrating computer and information tech nologies with manufacturing systems to support enterprises to face this overwhelming competition pressure and enhance the efficiency of process planning and scheduling processes. Some of these technologies like agent-based systems, virtualization of manufacturing systems, system simulation by the creation of cyber-physical layers, digital twins and others can be named as some of them were studied and developed in several types of research in literature. In this research, a new methodology by in tegrating the ontology modelling of manufacturing domain and reasoning rules as a solution for the process planning phase, with the Lekin scheduling program is pro posed. In this thesis, first, the ontology domain model developed for metal cutting processes is described, then designed and added reasoning rules and SPARQL queries are explained in detail. Finally, the scheduling results obtained from Lekin program built-in heuristics are explained.