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串联系统多参数广义不确定度传递模式与多反馈控制 被引量:1
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作者 唐冰松 周志鹏 唐健 《数学的实践与认识》 2021年第7期195-205,共11页
将多参数广义不确定度的概念引入串联系统参数不确定度的传递问题中,建立了串联系统多参数广义不确定度传递模型,该模型不仅揭示了参数不确定度在传递过程中的变化情况,传递细节表明传递矩阵元素对最后的传递结果有重要影响.文中阐述了... 将多参数广义不确定度的概念引入串联系统参数不确定度的传递问题中,建立了串联系统多参数广义不确定度传递模型,该模型不仅揭示了参数不确定度在传递过程中的变化情况,传递细节表明传递矩阵元素对最后的传递结果有重要影响.文中阐述了传递矩阵的特征以及各个子系统在串联系统中的主次作用.针对串联系统建立了多参数广义不确定度多反馈控制模型,提出了针对单个系统、两个子系统、多个子系统多个层次的反馈控制模型.模型的提出从理论上说明了当对子系统传递矩阵进行修正时,输出参数不确定度的变化及其上界的面积范数,为工程实际提供了一个良好的理论模型支撑. 展开更多
关键词 串联系统 子系统 多参数广义不确定度 传递矩阵 多反馈控制模型
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Intelligent compaction theory of high roller compacted concrete dam
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作者 Liu Donghai 《Engineering Sciences》 EI 2012年第5期58-64,共7页
The concept and realization process of intelligent compaction for the construction of high roller compacted concrete dam were presented, as well as the theory of monitoring and intelligent feedback control. Based on t... The concept and realization process of intelligent compaction for the construction of high roller compacted concrete dam were presented, as well as the theory of monitoring and intelligent feedback control. Based on the real-time analysis of the compaction index, a multiple regression model of the dam compactness was established and a realime estimation method of compaction quality for the entire work area of roller compacted concrete dam was proposed finally. The adaptive adjustment of the roiling process parameters was achieved, with the speed, the exciting force, the roller pass and the compaction thickness meeting the standards during the whole construction process. As a result, the compaction quality and construction efficiency can be improved. The research provides a new way for the construction quality control of roller compacted concrete dam. 展开更多
关键词 roller compacted concrete RCC dam quality control intelligent compaction real-time monitoring real-time quality estimation
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