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Propagation of Uncertainty in Optimal Design of Multilevel Systems: Piston-Ring/Cylinder-Liner Case Study
Author(s) -
KueiYuan Chan,
Michael Kokkolaras,
Panos Y. Papalambros,
Steven J. Skerlos,
Zissimos Mourelatoes
Publication year - 2004
Publication title -
sae technical papers on cd-rom/sae technical paper series
Language(s) - English
Resource type - Conference proceedings
SCImago Journal Rank - 0.295
H-Index - 107
eISSN - 1083-4958
pISSN - 0148-7191
DOI - 10.4271/2004-01-1559
Subject(s) - cylinder , linearization , monte carlo method , reliability (semiconductor) , piston (optics) , probabilistic logic , piston ring , computer science , point (geometry) , brake , mathematical optimization , control theory (sociology) , engineering , automotive engineering , ring (chemistry) , mathematics , mechanical engineering , control (management) , nonlinear system , physics , chemistry , optics , organic chemistry , wavefront , artificial intelligence , power (physics) , statistics , geometry , quantum mechanics
This paper proposes an approach for optimal design of multilevel systems under uncertainty. The approach utilizes the stochastic extension of the analytical target cascading formulation. The reliability of satisfying the probabilistic constraints is computed by means of the most probable point method using the hybrid mean value algorithm. A linearization technique is employed for estimating the propagation of uncertainties throughout the problem hierarchy. The proposed methodology is applied to a piston-ring/cylinder-liner engine subassembly design problem. Specifically, we assess the impact of variations in manufacturing-related properties such as surface roughness on engine attributes such as brake-specific fuel consumption. Results are compared to the ones obtained using Monte Carlo simulation.Upprättat; 2011; 20110819 (andbra

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