Portfolio Effect on End User Spare parts based on Demand Patterns

1st International Conference on Industrial and Manufacturing Engineering

工业技术（总论）;机械制造

Hendra^1^2 ; Napitupulu, Humala L.^1 ; Nasution, Harmien^1 ; Hidayati, Juliza^1

Informatic Engineering Department, STMIK IBBI, Indonesia^1

Industrial Engineering Department, University of North Sumatera, Indonesia^2

关键词: Demand pattern;    Global brands;    Low demand;    On demands;    Public transportation;    Service center;    Spare parts;    Standard deviation;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/505/1/012075/pdf
DOI  :  10.1088/1757-899X/505/1/012075

学科分类：工业工程学

来源: IOP

【 摘 要 】

This paper use 1577 items of end-user spare parts data from two authorized service-center for a global brand motor cycle product that become the main means of public transportation in Indonesia to study the Portfolio Effect on end-user spare parts based on their demand patterns categorized as smooth, erratic, intermittent and lumpy. It found that items in the lumpy category got larger benefits from Portfolio Effect compared to other categories, with an average of 25.13% and standard deviation 9.70%. Despite their high fluctuations, they have relatively low demand (ρ) and Magnitude (M) coefficients so they can have more benefit from consolidation with relatively low risk.