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Development of a simulation backplane with dynamic configurability.

机译：具有动态可配置性的仿真底板的开发。

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摘要

The subject of this thesis was the development a simulation backplane for coupling an electrical simulator with a mechanical finite-element simulator although the backplane is applicable to any simulator with the proper architecture. To tradeoff performance and accuracy during the analysis, a dynamic configuration option was included, where different simulators and models in a simulator can be switched in and out during the analysis. This option provided the designer with the flexibility to analyze all details of simulations from different modeling representations to optimizing the simulation performance within the same analysis. This backplane was able to transverse multiple coupling architectures to be a configuration tool for simulating hybrid environments with dynamic changes. In this work, the dynamic configurability procedure was outlined with other issues and procedures for coupling multiple simulators.; To improve upon the basic coupling process, different interface configurations were examined in different casualty-based formats. Specifically, conventional interface combinations were compared under different sensitivity calculation criteria and methods to find the interface or combination with the best iteration efficiency and convergence. The iteration efficiency was typically determined by the sensitivity calculation options while the convergence was determined by the interface combination between the simulators and by the backplane initialization sequence. The optimum convergence for any conventional interface combination was 93%. From these analyses, a dynamic-interface configuration procedure was developed based on coupling conditions and variable causality to identify the interface configuration with the best chances of convergence. A tiered dynamic interface procedure had convergence of 95% and equivalent iteration efficiency with the conventional interfaces. Finally, a flow correction method using behavioral models was examined, where a predictor and corrector process was implemented that allowed more versatility in the coupling process and improved initialization compared to the other interfaces. The flow correction process had a convergence of 93% tested over behavioral models with different accuracy constraints. A sensitivity calculation problem limited the success of the flow correction procedure and caused the iteration inefficiency to be two times larger than the other procedures.
机译：本文的主题是开发一种模拟背板，用于将电气模拟器与机械有限元模拟器耦合，尽管该背板适用于任何具有适当架构的模拟器。为了在分析过程中权衡性能和准确性，提供了一个动态配置选项，可以在分析过程中切入和切出仿真器中的不同仿真器和模型。该选项使设计人员可以灵活地分析来自不同建模表示形式的仿真的所有细节，以优化同一分析中的仿真性能。该背板能够跨越多个耦合架构，成为用于模拟动态变化的混合环境的配置工具。在这项工作中，概述了动态可配置性过程以及其他问题以及耦合多个模拟器的过程。为了改进基本的耦合过程，以不同的基于伤亡人员的格式检查了不同的接口配置。具体而言，在不同的灵敏度计算标准和方法下比较了常规的界面组合，以找到具有最佳迭代效率和收敛性的界面或组合。迭代效率通常由灵敏度计算选项确定，而收敛则由模拟器之间的接口组合和底板初始化序列确定。任何常规接口组合的最佳收敛为93％。通过这些分析，开发了基于耦合条件和可变因果关系的动态接口配置程序，以识别具有最佳收敛机会的接口配置。分层动态接口过程具有95％的收敛性，并且与常规接口具有等效的迭代效率。最后，研究了一种使用行为模型的流量校正方法，其中采用了一种预测器和校正器过程，与其他接口相比，该过程可以使耦合过程具有更多的通用性并改善初始化。在具有不同精度约束的行为模型上，流量校正过程的收敛度为93％。灵敏度计算问题限制了流量校正过程的成功，并导致迭代效率比其他过程大两倍。

著录项

  • 作者

    Clonts, Lloyd Gabriel.;

  • 作者单位

    The University of Tennessee.;

  • 授予单位 The University of Tennessee.;
  • 学科 Engineering Electronics and Electrical.; Mathematics.
  • 学位 Ph.D.
  • 年度 2001
  • 页码 307 p.
  • 总页数 307
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 无线电电子学、电信技术;数学;
  • 关键词

  • 入库时间 2022-08-17 11:47:21

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