A knowledge-based method for eco-efficiency upgrading of remanufacturing process planning
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ORIGINAL ARTICLE
A knowledge-based method for eco-efficiency upgrading of remanufacturing process planning Daojia Chen 1,2 & Zhigang Jiang 1,2 & Shuo Zhu 2,3 & Hua Zhang 2 Received: 29 May 2019 / Accepted: 27 January 2020 # Springer-Verlag London Ltd., part of Springer Nature 2020
Abstract Eco-efficiency has been proved as one of the powerful indicators in link with environment management and economic output. As a core procedure of remanufacturing activities, upgrading the eco-efficiency of remanufacturing process planning is of great significance for maximizing the circular economic advantages of remanufacturing. With the increasing of individual differences in used parts, the remanufacturing process planning is becoming more complicated. In this paper, a knowledge-based method for remanufacturing process planning is proposed as part of the efforts in upgrading eco-efficiency which also aims to improve the efficiency of process planning and realize the inheritance and evolvability of the process planning knowledge. Based on the identification of basic attribute characteristics and damage characteristics of used parts, a similarity calculation method is presented to match the most relevant historical remanufacturing process planning knowledge from the existing knowledge base, so as to design the feasible initial process plan set. For eco-efficiency upgrading, a remanufacturing process planning model is proposed to obtain the process plan with the optimal economic and environmental performance, and then the knowledge base can be updated and expanded. Finally, a case study of remanufacturing a used worm gear is demonstrated to validate the proposed method. Keywords Process planning . Remanufacturing . Eco-efficiency . Knowledge-based . Multi-characteristics
1 Introduction As an important component of green manufacturing and advanced manufacturing, remanufacturing has become the most active and high technology element in circular economy [1]. Through remanufacturing, most of the used parts can have the original performance, and the warranty is matched. This production mode reduces environmental pollution but also
* Shuo Zhu [email protected] 1
Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering, Wuhan University of Science & Technology, Wuhan 430081, China
2
Key Laboratory of Metallurgical Equipment and Control Technology, Wuhan University of Science & Technology, Wuhan 430081, China
3
Engineering Research Center for Metallurgical Automation and Detecting Technology, Wuhan University of Science & Technology, Ministry of Education, Wuhan 430081, China
decreases the energy consumption and professional labor used in production [2]. Therefore, eco-efficiency is inherent in the potential of remanufacturing. However, with the excessive pursuit of economic benefits by enterprises and society, the eco-efficiency performance of remanufacturing process plan is always been neglected, which limits the advantages of remanufacturing to promote the circular economy development. Compared with the
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