为了提高运行监控系统(operation control system,OCS)主站系统根据配电变压器失压信息倒推开关故障的准确性,提出一种量化评估倒推结果真实性的方法,对影响倒推结果的随机误信号和漏收信号两大因素造成误判、漏判的概率进行研究。探讨...为了提高运行监控系统(operation control system,OCS)主站系统根据配电变压器失压信息倒推开关故障的准确性,提出一种量化评估倒推结果真实性的方法,对影响倒推结果的随机误信号和漏收信号两大因素造成误判、漏判的概率进行研究。探讨利用泊松分布公式计算开关出现故障的误判率的算法,以及利用组合概率公式计算开关出现故障的漏判率的算法,拟定倒推规则,并提出了动态优化概率目标限值、动态计算系统单位时间随机误信号个数和针对单个开关动态计算其接收准确率的具体方法。该方法具备自动适应不同OCS主站数据质量环境的能力,其推断结果的准确性会随其投入应用时间的推移而不断提升。展开更多
This paper presents a new negative judgment matrix that combines the advantages of the reciprocal judgment matrix and the fuzzy complementary judgment matrix, and then puts forth the properties of this new matrix. In ...This paper presents a new negative judgment matrix that combines the advantages of the reciprocal judgment matrix and the fuzzy complementary judgment matrix, and then puts forth the properties of this new matrix. In view of these properties, this paper derives a clear sequencing formula for the new negative judgment matrix, which improves the sequencing principle of AHP. Finally, this new method is applied to personal credit evaluation to show its advantages of conciseness and swiftness.展开更多
文摘为了提高运行监控系统(operation control system,OCS)主站系统根据配电变压器失压信息倒推开关故障的准确性,提出一种量化评估倒推结果真实性的方法,对影响倒推结果的随机误信号和漏收信号两大因素造成误判、漏判的概率进行研究。探讨利用泊松分布公式计算开关出现故障的误判率的算法,以及利用组合概率公式计算开关出现故障的漏判率的算法,拟定倒推规则,并提出了动态优化概率目标限值、动态计算系统单位时间随机误信号个数和针对单个开关动态计算其接收准确率的具体方法。该方法具备自动适应不同OCS主站数据质量环境的能力,其推断结果的准确性会随其投入应用时间的推移而不断提升。
文摘This paper presents a new negative judgment matrix that combines the advantages of the reciprocal judgment matrix and the fuzzy complementary judgment matrix, and then puts forth the properties of this new matrix. In view of these properties, this paper derives a clear sequencing formula for the new negative judgment matrix, which improves the sequencing principle of AHP. Finally, this new method is applied to personal credit evaluation to show its advantages of conciseness and swiftness.
