Separate and carousel type allocations of workers in a U-shaped production line

Nakade, Koichi; Ohno, Katsuhisa

doi:10.1016/s0377-2217(02)00157-1

Cited by 24 publications

(14 citation statements)

References 11 publications

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“…This includes the research work of Bischak (1996), Nakade and Ohno (1997), Ohno and Nakade (1997) and Nakade and Ohno (2003). Most of the attention of this research work was given to the performance comparison between serial production lines and to the analysis of cycle time, including waiting time and the effect of workers allocations on system performance.…”

Section: Previous Researchmentioning

confidence: 99%

Prediction and analysis impact of operational design of a manual assembly system with walking workers on performance

Al‐Zuheri

Luong

Xing

2013

International Journal of Computer Integrated Manufacturing

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Manual assembly lines, with workers travelling with the work along the line to perform all required tasks, are an example of assembly systems which have greater flexibility over traditional systems due to an improved response to product demand variability. Implementing assembly systems in this way is difficult, especially when operational design reflects an incomplete understanding of how workers can best perform within the system. Different operational designs for such systems have a profound impact on the performance of the system in terms of productivity and ergonomics. This paper analyses the performance of walking worker assembly line (WWAL) in different operational designs. A mathematical model was developed, which considers the effects of a number of operational design variables. An industrial case study is presented here to demonstrate the effectiveness of the proposed model. The results indicate that WWAL can be designed to improve performance, flexibility and labour costs by approaching productivity and ergonomics collaboratively. The results obtained by the model prediction were compared with computer simulation results. Comparison validated the accuracy of the proposed model. The model provides partial characterisations of the optimal design of WWAL and can be used to develop heuristics for local or global optimisation.

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Section: Previous Researchmentioning

confidence: 99%

Prediction and analysis impact of operational design of a manual assembly system with walking workers on performance

Al‐Zuheri

Luong

Xing

2013

International Journal of Computer Integrated Manufacturing

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“…A small number of publications in the literature describe studies of applying moving (walking) workers into the U-shaped production line (or cell) in industry; Nakade and Ohno [12] and Wang et al [13] give a summary of them. Fig.…”

Section: U-shaped Designmentioning

confidence: 99%

Analysis of a linear walking worker line using a combination of computer simulation and mathematical modeling approaches

Wang

Lassalle²,

Mileham

et al. 2009

Journal of Manufacturing Systems

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“…The authors show that when the processing, operation, and walking times are constant, the overall cycle time in the carousel allocation is less than or equal to that in the separate allocation. In their numerical study Nakade and Ohno (2003) compare these allocations and they discuss the performance of their approximation.…”

Section: Ant Colony Optimization Meta-heuristicmentioning

confidence: 99%

Ant colony optimization for the single model U-type assembly line balancing problem

Sabuncuoğlu

Erel

Alp

2009

International Journal of Production Economics

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The assembly line is a production line in which units move continuously through a sequence of stations. The assembly line balancing problem is the allocation of tasks to an ordered sequence of stations subject to the precedence constraints with the objective of minimizing the number of stations. In a U-line the line is configured into a U-shape topology.In this research, a new heuristic, Ant Colony Optimization (ACO) meta-heuristic, and its variants are proposed for the single model U-type assembly line balancing problem (UALBP). We develop a number of algorithms that can be grouped as:(i) direct methods, (ii) modified methods and (iii) methods in which ACO approach is augmented with some metaheuristic.We also construct an extensive experimental study and compare the performance of the proposed algorithms against the procedures reported in the literature. Ayrıca kapsamlı bir deneysel çalışma yapılmış ve önerilen algoritmaların performansı literatürdeki diğer metodlarla karşılaştırılmıştır.Anahtar sözcükler: U-tipi montaj hattı dengelenmesi problemi, Karınca KolonisiOptimizasyonu meta-sezgiseli.iv

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Separate and carousel type allocations of workers in a U-shaped production line

Cited by 24 publications

References 11 publications

Prediction and analysis impact of operational design of a manual assembly system with walking workers on performance

Prediction and analysis impact of operational design of a manual assembly system with walking workers on performance

Analysis of a linear walking worker line using a combination of computer simulation and mathematical modeling approaches

Ant colony optimization for the single model U-type assembly line balancing problem

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