Optimising the machining time, deviation and energy consumption through a multi-objective feature sequencing approach

Hu, L., Tang, R., Liu, Y. , Cao, Y. and Tiwari, A. (2018) Optimising the machining time, deviation and energy consumption through a multi-objective feature sequencing approach. Energy Conversion and Management, 160, pp. 126-140. (doi:10.1016/j.enconman.2018.01.005)

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Abstract

A considerable amount of global energy consumption is attributable to the machining energy consumption of the machine tool. Thus, reducing the machining energy consumption can alleviate the energy crisis and energy-related environmental pollution. It has been approved that feature sequencing is an effective and economical approach to reduce the machining energy consumption. The single objective model that only minimises the machining energy consumption has been developed in previous research. However, the machining time and deviation, which are also affected by the feature sequence, have not been considered. Thus, this article first aims to understand and model the sequence-related machining time, deviation, and energy consumption (S-MT, S-MD, and S-MEC) while machining a part. Accordingly, a multi-objective feature sequencing problem, which optimises the trade-off among S-MT, S-MD, and S-MEC, is introduced. To solve it, two optimisation approaches, including Non-dominated Inserting Enumeration Algorithm (NIEA) and Non-dominated Sorting Genetic Algorithm II (NSGA-II), are proposed and employed. A case study was conducted to demonstrate the developed models and the optimisation approaches. The experiment results show that the optimal or near-optimal solution sets can be obtained for eight machine parts. By comparison, 20.51% S-MT, 5.29% S-MD, and 16.66% S-MEC can be reduced. Between the two algorithms, NIEA is recommended for the part that has fewer than 12 features. Finally, more optimisation approaches for the multi-objective problem are proposed and discussed.

Item Type:Articles
Additional Information:The authors would like to thank the support from the National Natural Science Foundation of China (Grant No. U1501248), the Nantaihu Innovation Program of Huzhou Zhejiang China, the China Scholarship Council (Grant No. 201406320033), the Royal Academy of Engineering under the Research Chairs and Senior Research Fellowships scheme, and the EPSRC EXHUME Project (Efficient X-sector use of HeterogeneoUs MatErials in Manufacturing) (Grant No. EP/ K026348/1).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Liu, Dr Ying
Authors: Hu, L., Tang, R., Liu, Y., Cao, Y., and Tiwari, A.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Energy Conversion and Management
Publisher:Elsevier
ISSN:0196-8904
ISSN (Online):1879-2227
Published Online:20 January 2018
Copyright Holders:Copyright © 2018 Elsevier Ltd.
First Published:First published in Energy Conversion and Management 160:126-140
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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