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Circuit Tolerance Design Using Belief Rule Base

机译:使用置信度规则库​​的电路容差设计

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摘要

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.
机译:基于信念规则(BRB)的系统提供了通用的非线性建模和推理机制。它能够通过利用定量信息和定性知识来建模复杂的因果关系。在本文中,首先开发了一种BRB系统,以利用电路仿真和电路设计人员的可用知识对电路组件参数与电路性能之间的高度非线性关系进行建模。通过在BRB系统中使用规则推理和聚类分析,可以将组件参数的可接受范围与组件参数的值域分开。利用建立的以BRB系统表示的非线性关系,提出了一种优化方法,在可接受的区域内寻找最佳的可行性区域,从而使零件参数的公差区域的体积最大。通过具有非凸和不连续的可接受区域以及高维输入参数的非线性性能函数的两个典型数值示例,以及在现实世界中在中国高速铁路的参数设计中的实际应用,证明了该方法的有效性。 。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第10期|908027.1-908027.12|共12页
  • 作者单位

    Hangzhou Dianzi Univ, Sch Automat, Inst Syst Sci & Control Engn, Hangzhou 310018, Zhejiang, Peoples R China.;

    Hangzhou Dianzi Univ, Sch Automat, Inst Syst Sci & Control Engn, Hangzhou 310018, Zhejiang, Peoples R China.;

    Univ Manchester, Manchester Business Sch, Manchester M15 6PB, Lancs, England.;

    Univ Manchester, Manchester Business Sch, Manchester M15 6PB, Lancs, England.;

    Hangzhou Dianzi Univ, Sch Automat, Inst Syst Sci & Control Engn, Hangzhou 310018, Zhejiang, Peoples R China.;

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