Closed-loop workload input–output control of production systems : a hybrid simulation study

Mušič, Gašper (avtor), Sagawa, Juliana Keiko (avtor)

Workload Control (WLC) is a method of adjusting the overall workload in the production system by controlling the input of production orders and the output of produced items. It contributes to the predictability of lead times and more accurate delivery date commitments in make-to-order manufacturing. Input control relates to order release and output control to capacity adjustment. In a recent previous work, a novel approach to integrated input–output control has been proposed: a dynamic closed-loop model where automatic feedback control is added and where order release and capacity decisions are based on the observed shop floor state. In this paper, this approach is further investigated in a more realistic hybrid simulation setting, combining discrete-time controllers and a discrete-event model of a manufacturing shop. The hybrid model was applied to two different systems: an elementary 4-machine shop floor (as a proof of concept) and a more complex real system, a manufacturing cell of cylinder liners. The results show that simultaneous input–output control is effective and enables the systems to maintain WIP balance, absorb demand fluctuations, and effectively reject disturbances. The simulations of the complex system showed that it might be advantageous to provide more local or more global information to the controllers, depending on the variability of the processing times and on the managerial focus. Closed-loop discrete-event models for WLC production control are unprecedented. Also, a simultaneous input and output control setting is much less reported in WLC literature than settings with input control only (i.e., order release only). This paper contributes in both ways.

• Jezik: Angleški jezik
• Ključne besede: production, workload control, closed-loop control systems, Industry 4.0, simulation
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: FE - Fakulteta za elektrotehniko
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2024
• Št. strani: 17 str.
• Številčenje: Vol. 198, art. 110669
• PID: 20.500.12556/RUL-164700
• UDK: 681.5
• ISSN pri članku: 0360-8352
• DOI: 10.1016/j.cie.2024.110669
• COBISS.SI-ID: 214104579
• Datum objave v RUL: 07.11.2024

Gradivo je del revije

• Naslov: Computers & industrial engineering
• Skrajšan naslov: Comput. ind. eng.
• Založnik: Elsevier
• ISSN: 0360-8352
• COBISS.SI-ID: 4909066

Licence

• Licenca: CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
• Povezava: http://creativecommons.org/licenses/by/4.0/deed.sl
• Opis: To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

• Jezik: Slovenski jezik
• Ključne besede: proizvodnja, vodenje obremenitve, zaprtozančni sistemi vodenja, industrija 4.0, simulacija

Projekti

• Financer: ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
• Številka projekta: P2-0219
• Naslov: Modeliranje, simulacija in vodenje procesov

• Financer: Drugi - Drug financer ali več financerjev
• Program financ.: Brazil, National Council for Scientific and Technological Development
• Številka projekta: 310812/2021-6