Circuit Tolerance Design Using Belief Rule Base

Xiao-Bin Xu, Zheng Liu, Yu-Wang Chen, Dong-Ling Xu and Cheng-Lin Wen

Mathematical Problems in Engineering, 2015, vol. 2015, 1-12

Abstract:

A belief rule-based (BRB) system provides a generic nonlinear modeling and inference mechanism. It is capable of modeling complex causal relationships by utilizing both quantitative information and qualitative knowledge. In this paper, a BRB system is firstly developed to model the highly nonlinear relationship between circuit component parameters and the performance of the circuit by utilizing available knowledge from circuit simulations and circuit designers. By using rule inference in the BRB system and clustering analysis, the acceptability regions of the component parameters can be separated from the value domains of the component parameters. Using the established nonlinear relationship represented by the BRB system, an optimization method is then proposed to seek the optimal feasibility region in the acceptability regions so that the volume of the tolerance region of the component parameters can be maximized. The effectiveness of the proposed methodology is demonstrated through two typical numerical examples of the nonlinear performance functions with nonconvex and disconnected acceptability regions and high-dimensional input parameters and a real-world application in the parameter design of a track circuit for Chinese high-speed railway.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:908027

DOI: 10.1155/2015/908027

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