| 系统不确定性的数值计算方法 |
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| 引用本文： | 石博强,肖成勇.系统不确定性的数值计算方法[J].北京科技大学学报,2003,25(4):374-376. |
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| 作者姓名： | 石博强 肖成勇 |
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| 作者单位： | 北京科技大学土木与环境工程学院,北京,100083 |
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| 基金项目： | 国家自然科学基金资助项目(No.59605002) |
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| 摘 要： | 基于未确知理论，定义了系统不确定性的一个度量尺度——盲数方差。通过将系统“宽区间”范围的“强”不确定性离散化处理成“窄区间”范围的“弱”不确定性，给出了基于盲数的系统不确定性数值计算原理和方法。它是一种通用的数值计算方法，实际计算表明该方法的正确性和实用性。
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| 关 键 词： | 系统科学 复杂系统 系统不确定性 数值计算 盲数 方差 计算原理 计算方法 |
| 修稿时间： | 2002年10月29日 |
Numerical Calculation of System Uncertainty |
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| SHI Boqiang,XIAO Chengyong
Civil and Environmental Engineering School,University of Science and Technology Beijing,Beijing ,China.Numerical Calculation of System Uncertainty[J].Journal of University of Science and Technology Beijing,2003,25(4):374-376. |
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| Authors: | SHI Boqiang XIAO Chengyong
Civil and Environmental Engineering School University of Science and Technology Beijing Beijing China |
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| Institution: | SHI Boqiang,XIAO Chengyong
Civil and Environmental Engineering School,University of Science and Technology Beijing,Beijing 100083,China |
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| Abstract: | Based on the uncertainty theory, a measurement scale of uncertainty - blind number variance is defined. By dispersedly transforming the strong uncertainty in a wide interval into the weak uncertainty in a narrow interval, the numberial calculation principle and method of system uncertainty are also given. This is an all-purpose numerical value calculating method that is based on the blind number. Its correctness and practicability is perfectly proved by practical calculations. |
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| Keywords: | system uncertainty blind number numerical calculation variance |
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