Risk Propagation Through a Platform: The Failure Risk Perspective on Platform Sharing

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A product platform is a set of subsystems and interfaces that are commonly shared by a variety of products. Although platform sharing is considered an effective means of cost saving, it also runs the risk of propagating a particular failure across multiple products when the platform is defectively designed. Thus, sharing a common platform effectively can amplify the risk of incurring a large number of failures. In this paper, we formulate a quantitative model for assessing amplified failure risk. Our analysis shows an unexpected result that the platform risk increases as we become more assured of our design capability; i.e., when a defective design rarely happens, the magnitude of risk amplification becomes much larger. The numerical investigation of a platform planning case sheds light on the importance of risk assessment in determining the level of commonality in designing a platform.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2015-08
Language
English
Article Type
Article
Keywords

PRODUCT FAMILY DESIGN; PROJECT RISK; SAFETY STOCK; SYSTEMS; PROBABILITY; COMMONALITY; APPROPRIATENESS; MANAGEMENT; VARIETY; IMPACT

Citation

IEEE TRANSACTIONS ON ENGINEERING MANAGEMENT, v.62, no.3, pp.372 - 383

ISSN
0018-9391
DOI
10.1109/TEM.2015.2427844
URI
http://hdl.handle.net/10203/200635
Appears in Collection
MA-Journal Papers(저널논문)
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