The objective of this paper is to develop techniques to sub-group multiple responses of a system. The proposal is intended for explorative preprocessing steps prior to the execution of a more formal multi-objective optimization. The sub-grouping techniques are developed based on orthonormal expansions. Factor Analysis (FA) and Total Sensitivity Analysis (TSA) are suggested when the relationships among responses are linear and non-linear, respectively. Automotive road Noise Vibration and Harshness (NVH) data is used to illustrate the application of the proposed methodologies.

Volume Subject Area:
Design Automation
Keywords:
effective design parameters and responses, explorative data analysis, orthonormal expansion, Factor Analysis, product design optimization, sub-grouping techniques, Total Sensitivity Analysis
Topics:
Optimization, Product design, Sensitivity analysis, Design, Noise (Sound), Pareto optimization, Roads, Vibration
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Copyright © 2003
 by ASME
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