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
随着先进信息通信技术在配电网中的广泛应用,配电网信息侧和物理侧融合程度愈发增强,已具备信息物理系统的典型特征。从分析与自愈控制的角度,对配电信息物理系统(cyber physical distribution system,CPDS)研究现状进行分析和展望。在...随着先进信息通信技术在配电网中的广泛应用,配电网信息侧和物理侧融合程度愈发增强,已具备信息物理系统的典型特征。从分析与自愈控制的角度,对配电信息物理系统(cyber physical distribution system,CPDS)研究现状进行分析和展望。在分析方面,从CPDS可靠性评估和风险评估两个方面进行总结分析。在自愈控制方面,对传统物理侧自愈控制以及信息物理协同的CPDS自愈控制进行综述,指出现有研究的进展和不足。最后,从两网融合背景下的CPDS架构、考虑分布式电源的CPDS安全分析、CPDS混合通信网自愈机制以及CPDS自愈控制体系等4个角度,对CPDS未来研究方向进行展望。展开更多
基金supported by National Natural Science Foundation of China(61233004,61221003,61374109,61104091,61304078,61473184)National Basic Research Program of China(973 Program)(2013CB035500)+2 种基金the International Cooperation Program of Shanghai Science and Technology Commission(12230709600)the Higher Education Research Fund for the Doctoral Program of China(20120073130006,20110073110018)the China Postdoctoral Science Foundation(2013M540364)
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.
文摘随着先进信息通信技术在配电网中的广泛应用,配电网信息侧和物理侧融合程度愈发增强,已具备信息物理系统的典型特征。从分析与自愈控制的角度,对配电信息物理系统(cyber physical distribution system,CPDS)研究现状进行分析和展望。在分析方面,从CPDS可靠性评估和风险评估两个方面进行总结分析。在自愈控制方面,对传统物理侧自愈控制以及信息物理协同的CPDS自愈控制进行综述,指出现有研究的进展和不足。最后,从两网融合背景下的CPDS架构、考虑分布式电源的CPDS安全分析、CPDS混合通信网自愈机制以及CPDS自愈控制体系等4个角度,对CPDS未来研究方向进行展望。