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Kernelized proportional intensity model for repairable systems considering piecewise operating conditions
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
2012 (English)In: IEEE Transactions on Reliability, ISSN 0018-9529, E-ISSN 1558-1721, Vol. 61, no 3, p. 618-624Article in journal (Refereed) Published
Abstract [en]

The proportional intensity model (PIM) has been used to model the intensity function of repairable systems taking non-time factors, such as operating conditions, and repair history, into consideration. This paper develops a kernelized PIM (KPIM) by combining the PIM and the kernel method to consider a scenario where a repairable system experiences piecewise operating conditions. The kernel method is used to approximate the PIM covariate function nonlinearly. An approach based on the regularized likelihood function is proposed to obtain the optimal parameters for the KPIM. A numerical example is provided to demonstrate the KPIM model, and the parameter estimation approach

Place, publisher, year, edition, pages
2012. Vol. 61, no 3, p. 618-624
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-4396DOI: 10.1109/TR.2012.2207530ISI: 000308424000001Scopus ID: 2-s2.0-84865797352Local ID: 25864cba-1bed-4d23-9748-53b03165d43aOAI: oai:DiVA.org:ltu-4396DiVA, id: diva2:977269
Note
Validerad; 2012; 20120917 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Fuqing, YuanKumar, Uday

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