In view of the limitation of the difference method,the adjustment model of CPⅢprecise trigonometric leveling control network based on the parameter method was proposed in the present paper.The experiment results show...In view of the limitation of the difference method,the adjustment model of CPⅢprecise trigonometric leveling control network based on the parameter method was proposed in the present paper.The experiment results show that this model has a simple algorithm and high data utilization,avoids the negative influences caused by the correlation among the data acquired from the difference method and its accuracy is improved compared with the difference method.In addition,the strict weight of CPⅢprecise trigonometric leveling control network was also discussed in this paper.The results demonstrate that the ranging error of trigonometric leveling can be neglected when the vertical angle is less than 3 degrees.The accuracy of CPⅢprecise trigonometric leveling control network has not changed significantly before and after strict weight.展开更多
根据工业化和信息化的融合需求,将物理信息系统和智能电网的优势进行协同,形成了智能电网CPS.从智能电网CPS的3个层级单元级CPS、系统级CPS、Systems of Systems(缩写为SoS)级CPS体系架构入手,着重阐述了智能电网CPS的研究现状和各个层...根据工业化和信息化的融合需求,将物理信息系统和智能电网的优势进行协同,形成了智能电网CPS.从智能电网CPS的3个层级单元级CPS、系统级CPS、Systems of Systems(缩写为SoS)级CPS体系架构入手,着重阐述了智能电网CPS的研究现状和各个层级对应的关键技术.分析比较了各层级不同应用的优缺点,以此展望了智能电网CPS亟待解决的问题和未来的发展方向.展开更多
基金National Natural Science Foundation of China(No.41661091)。
文摘In view of the limitation of the difference method,the adjustment model of CPⅢprecise trigonometric leveling control network based on the parameter method was proposed in the present paper.The experiment results show that this model has a simple algorithm and high data utilization,avoids the negative influences caused by the correlation among the data acquired from the difference method and its accuracy is improved compared with the difference method.In addition,the strict weight of CPⅢprecise trigonometric leveling control network was also discussed in this paper.The results demonstrate that the ranging error of trigonometric leveling can be neglected when the vertical angle is less than 3 degrees.The accuracy of CPⅢprecise trigonometric leveling control network has not changed significantly before and after strict weight.
文摘根据工业化和信息化的融合需求,将物理信息系统和智能电网的优势进行协同,形成了智能电网CPS.从智能电网CPS的3个层级单元级CPS、系统级CPS、Systems of Systems(缩写为SoS)级CPS体系架构入手,着重阐述了智能电网CPS的研究现状和各个层级对应的关键技术.分析比较了各层级不同应用的优缺点,以此展望了智能电网CPS亟待解决的问题和未来的发展方向.