Abstract

A flexible manufacturing system (FMS) is a highly automated, complex system. Simulation is a well-proven method to design or analyze an FMS. Deployment of a radio frequency identification (RFID) system in FMS produces large volumes of RFID data streams, which provide valuable information to improve the operation of FMS. Different frameworks are presented in this paper regarding the use of RFID data streams in an FMS simulation. Simulations are performed with AutoMod software. Related technical details are also presented. The paper’s structure is complied as the following steps: step 1, the introduction of AMHS, FMS and AutoMod; step 2, FMS simulation using AutoMod software; step 3, simulation frameworks driven by RFID data streams; step 4, conclusion.

Highlights

  • Different frameworks are presented in this paper regarding the use of radio frequency identification (RFID) data streams in an flexible manufacturing system (FMS) simulation

  • The paper’s structure is complied as the following steps: step 1, the introduction of automated materials handling system (AMHS), FMS and AutoMod; step 2, FMS simulation using AutoMod software; step 3, simulation frameworks driven by RFID data streams; step 4, conclusion

  • The conveyor transports the fixtures to a pickup point, where they are loaded onto an automated guided vehicle (AGV)

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Summary

AMHS and FMS

An automated materials handling system (AMHS) stores, retrieves and moves materials through processes to change their form and packaging. AMHS, such as the Automated Storage and Retrieval System (AS/RS) used in the logistics sector or other automated material handling systems utilized in factories play an important role in this aggressively competitive environment [1,2]. The flexible manufacturing system (FMS) plays a more and more important role in AMHS. The storage/retrieval machine (S/RM) retrieves pallets of raw parts from the storage racks and places them on conveyors at the end of each aisle. When all processing of a part has been completed, an AGV returns the part with its fixture to the conveyor near the storage racks. An operator removes the completed part from the fixture and returns it to a pallet for storage on the racks. The empty fixture circulates on the conveyor to receive a new raw part This FMS is a typical discrete event system.

RFID Data Collection in FMS
Challenges in FMS Simulation
FMS Simulation Using AutoMod Software
Simulation Frameworks Driven by RFID Data Streams
Conclusions

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