Fernandes, Nuno O.Almeida, JoãoFerreira, Luís PintoÁvila, PauloSilva, Sílvio ,2025-12-232025-12-232025FERNANDES, Nuno O. [et al.] (2025) - Combining DDMRP and CONWIP: A simulation study of the pool-sequencing rule. In MACHADO, J. [et al.] (eds) - Innovations in Industrial Engineering IV. icieng 2025. Lecture Notes in Mechanical Engineering. Springer, Cham. DOI: 10.1007/978-3-031-94484-0_10http://hdl.handle.net/10400.11/10422Two essential tasks in production planning and control are the generation and the release of orders to the shop floor. In this study order, generation is based on the Demand Driven Materials Requirement Planning system, while order release is based on the CONstant Work-in-Process system. Although the two systems alone have been extensively studied, their combination has received much less attention. In this paper, we address the problem of sequencing replenishment orders generated by the Demand Driven Materials Requirement Planning system to be released by the CONstant Work-in-Process system. Four pool-sequencing rules have been considered. Two of these are used by Demand Driven Materials Requirement Planning for establishing priorities for order planning and order execution. The other two are the First-Come-First-Served rule and a virtual due date rule. Results of a simulation study show that the rules proposed in the Demand Driven Materials Requirement Planning literature for planning and for execution are not the best options for pool-sequencing, particularly for restricted levels of workload allowed on the shop floor.engDDMRPCONWIPPool-sequencing rulesbook part10.1007/978-3-031-94484-0_10