一种仿真建模的置信度信息管理方法研究

doi:10.16182/j.issn1004731x.joss.24-0053

摘要/Abstract

摘要：

仿真建模是否置信和置信度是否满足要求是仿真建模研究的核心问题。借鉴NASA-STD-7009《建模与仿真标准》，从置信度信息记录、定义与评估的角度，提出了一种仿真建模置信度信息管理方法，设计了仿真系统置信度信息提取工具，提取包括建模置信信息、数据置信信息以及开发过程置信信息三类信息，实现仿真系统置信度信息可记录、可定义、可追溯，达到仿真系统不确定性与置信度信息管理的目的。以一个伺服系统仿真系统置信度评估为例，依据所提置信度管理方法，开发了仿真系统置信度信息管理工具，验证了仿真系统置信度信息管理方法的可行性和有效性。预期可为置信度智能分析提供理论基础与工程思路。

关键词: 建模仿真, 置信度分析, 置信度信息管理, NASA-STD-7009标准, Modelica

Abstract:

A proposed method for managing credibility information in simulation modeling draws insights from the NASA-STD-7009 standard for modeling and simulation. From the perspective of credibility information recording, definition, and assessment, this method aims to address the core issue of whether the credibility requirements are met in simulation modeling research. A simulation system credibility information extraction tool is designed to extract three types of information including modeling credibility information, data credibility information, and development process credibility information, enabling recording, definition, and traceability of credibility information in simulation models. Taking a servo system credibility evaluation as an example, a simulation system credibility information management tool is developed based on the proposed credibility management method. The feasibility and effectiveness of the simulation system credibility information management method are verified. This work is expected to provide a theoretical basis and engineering ideas for intelligent analysis of credibility.

Key words: modeling and simulation, credibility analyze, credibility information management, NASA-STD-7009 standard, Modedlica

中图分类号:

TP391.9

古齐鸣,陈嘉智,曹国彦等 . 一种仿真建模的置信度信息管理方法研究[J]. 系统仿真学报, 2025, 37(5): 1314-1328.

Gu Qiming,Chen Jiazhi,Cao Guoyan,et al . Research on a Credibility Information Management Method of Simulation Modeling[J]. Journal of System Simulation, 2025, 37(5): 1314-1328.

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类型	描述
Unknown	该值的来源未知
Estimated	该值是经验估计得到的
Provided	数据表、供应商提供的值
Computed	从计算机辅助中得到的值，如计算流体学，有限元方法等
Measured	通过实际物理实验测量所得
Calibrated	根据分析模型数据，模型校准之后得到值

不确定性分布类型	不确定性参数	不确定性类型
Interval(区间)	nominal(标称)，lower(最小值)，upper(最大值)	认知不确定性
Uniform(均匀分布)	nominal(标称)，lower(最小值)，upper(最大值)	均匀分布不确定性
Truncated Normal(截断正态分布)	nominal(标称)，lower(最小值)，upper(最大值)，stdDev(标准差)	截断正态分布不确定性
Interval Tolerance(区间容差)	nominal(标称)，reTol(相对容差)，absTol(绝对容差)	认知不确定性
Uniform Tolerance(均匀容差)	nominal(标称)，reTol(相对容差)，absTol(绝对容差)	均匀分布不确定性
Truncated Normal Tolerance (截断正态容差)	nominal(标称)，reTol(相对容差)，absTol(绝对容差)， stdDevFactor(标准差倍数)	截断正态分布不确定性

组件类别	组件参数	参数值	不确定性类别
齿轮箱	齿轮阻尼/(N·m/rad)	100	截断正态容差
	弹簧阻尼/(N·m/rad)	500	截断正态容差
	弹簧常数/(N·m/rad)	5.8×10⁵	截断正态容差
受控电机	时间常数/s	0.001	区间容差
	电阻/Ω	13.8	截断正态容差
	线圈电感/H	0.016	区间容差
	变换系数/(N·m/A)	1.016	区间容差
	转动惯量/(Kg·m²)	0.002 5	区间容差

键	描述
Author	仿真模型开发人员
Organization	仿真模型开发组织
Contact	联系方式
Creation Date	仿真模型创建日期
Modified Date	仿真模型修改日期
Created In Project	仿真模型针对的项目
MSL Version	Modelica标准库版本
Copied From Model	仿真模型继承的父类模型
Copied From Model Version	继承的父类模型的版本号
Cerdibility Level	置信度水平
Checked	是否基于VV&A方法检查
Checked By	检查人员
Modelica Tool	Modelica工程软件
Modelica Version	Modelica工程软件版本
Modelica Language Version	Modelica语言版本

变量信息	类别
变异性	tunable
变异性	constant
因果关系	parameter
因果关系	calculatedParameter
初始值	exact
初始值	calculated
输入输出信息	Input
输入输出信息	Output