期刊
INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH
卷 55, 期 24, 页码 7566-7583出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00207543.2017.1391418
关键词
data envelopment analysis; reconfigurable manufacturing systems; multiple modes of functioning; mode-specific technology; technical efficiency; cost efficiency
资金
- Spanish Ministry of Economy, Industry and Competitiveness
- European Regional Development Fund (ERDF) [DPI2013-41469-P]
In principle, data envelopment analysis (DEA) does not consider the possibility, which can occur in practice, of a production system being able to operate in different modes of functioning. In this paper, a new DEA modelling approach is proposed in which the different modes of functioning are taken into account and included in the analysis. The observed input consumption and output production in each mode of functioning is used to derive a mode-specific technology. The overall DEA technology aggregates these mode-specific technologies according to their respective time allocations. The proposed model computes a target operating point for each mode of functioning so that the operation of the overall system is efficient. The proposed approach is applied to assess the technical, cost and allocative efficiency of a reconfigurable manufacturing system. The inputs considered are modules/tools usage, labour and energy consumption. The outputs are the number of units produced of each part type. The production possibility set is determined by previous observations of the system functioning, from which the best practices can be identified. Technical, cost and allocative efficiency scores can be computed. The proposed approach not only generates input cost savings but also lead time reductions.
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