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Green and lean control of cyclic pallet systems

Maziar Mashaei (Institutionen för signaler och system, Automation) ; Bengt Lennartson (Institutionen för signaler och system, Automation) ; Göran Abbestam
2011 7th IEEE International Conference on Automation Science and Engineering, CASE 2011; Trieste; 24 August 2011 through 27 August 2011 (21618070). p. 642-647 . (2011)
[Konferensbidrag, refereegranskat]

Reduction of energy consumed by a manufacturing system to turn raw parts to finished products is a big step towards the green and lean production. In this study the energy efficiency of a one-loop pallet system, a main tool to handle and locate various part types in a cyclic production line, is investigated. The main goal is to obtain the minimal energy consumption in the pallet system drive unit through an optimally controlled and coordinated motion of pallets. To achieve the mentioned goal, first the mean value of the pallet system energy consumption is mathematically modeled. Later, this energy model is utilized as an objective function within an optimization model including constraints on system crucial properties such as cyclic and dynamic behavior, queueing policy, and buffer size. The solution of the optimization problem gives the optimal values of the system control variables, namely, number of pallets and conveyor velocity. To demonstrate the application of this optimization model in practice, three case studies are introduced. The results of these studies show that a significant amount of the energy consumption may be saved by applying the suggested green control.

Nyckelord: Energy model, Handling and locating pallet system, Optimization



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Denna post skapades 2011-12-27. Senast ändrad 2013-06-28.
CPL Pubid: 150971

 

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Institutioner (Chalmers)

Institutionen för signaler och system, Automation

Ämnesområden

Energi
Produktion
Elektroteknik och elektronik

Chalmers infrastruktur

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