| 基于调控流图的定性仿真系统研究 |
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| 引用本文： | 郑娆,王奎升,王耘. 基于调控流图的定性仿真系统研究[J]. 计算机仿真, 2010, 27(4): 142-146 |
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| 作者姓名： | 郑娆 王奎升 王耘 |
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| 作者单位： | 1. 北京化工大学机电工程学院,北京,100029
2. 北京中医药大学中药学院,北京,100102 |
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| 基金项目： | 国家自然科学基金(30500643) |
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| 摘 要： | 针对复杂系统定性仿真效率较低的问题,在实体语法系统理论的基础上,为改进定性仿真系统,提出调控流图定性仿真系统,利用以三值量空间为基础的五值量空间,在不增加计算量的前提下解决了调控流图定性仿真中的负反馈问题,利用规则、观测变量的二级约束形式降低了系统多途径调节所产生的不确定性,通过变量与多维空间区域的映射实现利用调控流图对时空复杂性进行定性仿真。通过CSTR系统的定性仿真表明,可用于复杂系统的扰动传播途径预测、复杂系统故障诊断等问题,为复杂系统的建模与定性仿真提供了一种新的技术手段。
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| 关 键 词： | 复杂系统 定性仿真 实体语法系统 调控流图 |
Regulating Flow Graph Based Qualitative Simulation System |
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| ZHENG Rao,WANG Kui-sheng,WANG Yun. Regulating Flow Graph Based Qualitative Simulation System[J]. Computer Simulation, 2010, 27(4): 142-146 |
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| Authors: | ZHENG Rao WANG Kui-sheng WANG Yun |
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| Affiliation: | 1.College of Mechanical and Electrical Engineering/a>;Beijing University of Chemical Technology/a>;Beijing 100029/a>;China/a>;2.School of Chinese Pharmacy/a>;Beijing University of Chinese Medicine/a>;Beijing 100102/a>;China |
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| Abstract: | Aiming at the problem that qualitative simulation is inefficient in complex systems,the qualitative simulation system of regulating flow graph was proposed based on Entity Grammar Systems.The negative feedback loop in the system can be effectively truncated by using a special five-value quantity space.The indetermination of the out put states can be reduced by a two-level filtering system,including rule filter and observed variable filter.The qualitative simulation of the systems in multi-dimensional space ... |
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| Keywords: | Complex systems Qualitative simulation Entity grammar systems Regulating flow graph |
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