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research-article

Lease-oriented opportunistic maintenance for multi-unit leased systems under product-service paradigm

[+] Author and Article Information
Tangbin Xia

State Key Laboratory of Mechanical System and Vibration, Department of Industrial Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, ChinaH. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, 765 Ferst Drive, Atlanta, GA 30332, USA
xtbxtb@sjtu.edu.cn; txia60@gatech.edu

Lifeng Xi

State Key Laboratory of Mechanical System and Vibration, Department of Industrial Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
lfxi@sjtu.edu.cn

Ershun Pan

State Key Laboratory of Mechanical System and Vibration, Department of Industrial Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
pes@sjtu.edu.cn

Nagi Gebraeel

H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, 765 Ferst Drive, Atlanta, GA 30332, USA
nagi.gebraeel@isye.gatech.edu

Xiaolei Fang

H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, 765 Ferst Drive, Atlanta, GA 30332, USA
xfang33@gatech.edu

1Corresponding author.

ASME doi:10.1115/1.4035962 History: Received September 05, 2016; Revised January 21, 2017

Abstract

With many industries increasingly relying on leased equipment and machinery, many original equipment manufacturers are turning to product-service packages where they deliver (typically lease) the physical assets. An integrated service contract will be offered for the asset. A classic example being Rolls Royce power-by-the-hour aircraft engines. Service contracts offered by original equipment manufacturers have predominantly focused on maintenance and upkeep activities for a single asset. Interestingly enough, manufacturing industries are beginning to adopt the product-service paradigm. However, one of the unique aspects in manufacturing settings is that the leased system is often not a single asset but instead a multi-unit system (e.g. an entire production line). In this paper, we develop a lease-oriented maintenance methodology for multi-unit leased systems under product-service paradigm. Unlike traditional maintenance models, we propose a leasing profit optimization policy to adaptively compute optimal preventive maintenance schedules that capture following dynamics: (1) the structural dependencies of the multi-unit system, (2) opportunistic maintenance of multiple system components, and (3) leasing profit savings. We demonstrate the performance of our multi-unit maintenance policy by using a leased automotive manufacturing line, and investigate its impact on leasing profits.

Copyright (c) 2017 by ASME
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