Abstract
This study aims to model, analyze, and evaluate performance of a flexible manufacturing system, constituting a carousel-based manufacturing and assembly cells layout, configured to produce mixed-model multiple products employing inter-/intra-cellular routing flexibility in which manufacturing and assembly resources are subject to working and failure modes. A hierarchical colored Petri net model is developed to analyze performance of the flexible manufacturing system. Colored Petri net modeling experiments have been conducted to evaluate the system performance for throughput, cycle time, and work-in-process. The system performance has been investigated in relation to material supply and handling system, process execution, and production resources reliability variables. Different input factors are considered for simulation modeling such as mean machining time, mean loading/unloading time, mean assembly time, buffer capacity, material supply inter-arrival time, number of operations between failures, and mean time to repair for production resources; a variation in input factors has shown a significant impact on system performance measures. The colored Petri net–based modeling, simulation, and analysis approach has been demonstrated as an efficient method for carousel-based mixed-model configured flexible manufacturing system.
Highlights
Manufacturing generally refers to production processes through which raw material is transformed into a finished product through a defined sequence of operations accomplished by generalized or specialized production resources
This study investigates carousel-based mixed-model multiple products system embedded with flexible manufacturing and assembly cells with inter-/intra-cellular routing flexibility with an objective of analyzing the impact of material supply, material handling and transportation, manufacturing/assembly process execution, and resource reliability factors on system performance measured in terms of cycle time, throughput, and work in progress (WIP)
Flexible manufacturing systems (FMSs) performance depends on various input factors which include material supply, material handling and transportation, production/assembly process execution, and resource reliability factors
Summary
Manufacturing generally refers to production processes through which raw material is transformed into a finished product through a defined sequence of operations accomplished by generalized or specialized production resources. Substantial developments have been carried out in manufacturing technologies and processes, but complex relationships among manufacturing system elements are still needed to be explored systematically and thoroughly,[1] to understand dynamics of interrelationship of system elements to estimate or predict the overall performance of the system. Manufacturing is a key element within the overall enterprise, and possible manufacturing outputs depend on strong manufacturing strategy that is considered a powerful communication tool between different levels of management to bring all operations in line with corporate goals. Advances in Mechanical Engineering agile manufacturing, lean manufacturing, and flexible manufacturing.[2] Manufacturing policies, technologies, strategies, and management concepts explore different classification for manufacturing systems.[1] Various types of possible mechanisms are used to classify and describe the features, structure, control, and constraints of the manufacturing systems.[3]
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