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    • 92. 发明申请
    • SYSTEM AND METHOD FOR MAXIMIZING POWER OUTPUT OF PHOTOVOLTAIC STRINGS
    • 用于最大化光伏电力输出的系统和方法
    • US20130069438A1
    • 2013-03-21
    • US13238103
    • 2011-09-21
    • Yu LiuGeorge W. OughtonChristopher Scott Thompson
    • Yu LiuGeorge W. OughtonChristopher Scott Thompson
    • H02J1/00
    • H02J3/385Y02E10/58Y10T307/707
    • A PV system includes a plurality of PV strings each having an optimal string voltage at which a string output power is maximized. The PV strings are connected to a DC link in a parallel arrangement such that each PV strings operates at a variable DC link voltage. A PV inverter is connected to the DC link to receive a DC output, with the PV inverter controlling the DC link voltage. Delta DC/DC converters are connected to the PV strings, with each DC/DC converter receiving the DC link voltage from the DC link and providing a tuning voltage to the DC link voltage at which its respective PV string operates in order to bring the string voltage for that PV string to its optimal string voltage. The tuning voltage of each delta DC/DC converter is the difference between the DC link voltage and a respective optimal string voltage.
    • PV系统包括多个PV串,每个PV串具有弦输出功率最大化的最佳串电压。 PV串以并联布置连接到DC链路,使得每个PV串以可变的DC链路电压工作。 光伏逆变器连接到直流链路以接收直流输出,光伏逆变器控制直流母线电压。 Delta DC / DC转换器连接到PV串,每个DC / DC转换器接收来自DC链路的DC链路电压,并向DC链路电压提供调谐电压,在该DC链路电压下,其各自的PV串工作,以使串 该PV串的电压达到其最佳串电压。 每个ΔDC/ DC转换器的调谐电压是直流母线电压和相应的最佳串电压之间的差值。
    • 93. 发明授权
    • Technique for confirmation of dominancy relationship
    • 确定统治关系的技术
    • US08392412B2
    • 2013-03-05
    • US13315539
    • 2011-12-09
    • Yu Liu
    • Yu Liu
    • G06F7/00
    • G06F17/5068G06F2217/10
    • A method includes: classifying sampling points (SPs) into ranks so as to satisfy a condition such as a condition that no SP belonging to a certain rank is dominated by another SP belonging to a rank higher than the certain rank; determining, in ascending order from a lowest rank, whether a first SP belonging to a first rank dominates a second SP belonging to a second rank higher than the first rank. When the first SP dominates, while changing the rank from a rank immediately lower than the first rank to the lowest rank, the first SP and SPs dominating the first SP and included in a first set of the first SP are added to a dominating source set of the second SP, and the first SP and SPs in the first set are excluded from SPs for which the determining is executed with respect to the second SP.
    • 一种方法包括:将采样点(SP)分级为等级,以便满足诸如属于某一等级的SP不属于高于某一等级的另一个SP的条件的条件; 以从最低等级的升序来确定属于第一等级的第一SP是否属于属于高于第一等级的第二等级的第二SP。 当第一SP支配时,在从等级立即低于第一级到最低级的等级改变等级时,将第一SP并且包含在第一SP中的第一组中的第一SP和SP被添加到主导源集合 并且第一组中的第一SP和SP从相对于第二SP执行确定的SP中排除。
    • 98. 发明申请
    • Method, Device for Running Internet Protocol Television Service System, and Internet Protocol Television Service System
    • 方法,运行互联网协议电视业务系统的设备和互联网协议电视业务系统
    • US20120166865A1
    • 2012-06-28
    • US13394198
    • 2010-06-25
    • Yu LiuHao LiuYinlong Wang
    • Yu LiuHao LiuYinlong Wang
    • G06F11/20
    • H04N21/2405H04H20/82H04H60/72H04N21/222H04N21/26283
    • The present invention discloses a method, apparatus and system for operating an internet protocol television service system. The present invention relates to communication field, and solves the problem of poor quality of service caused by using a cold backup electronic programmer guide (EPG) server or transferring a user to other EPG server. The method includes: a backup electronic programmer guide (EPG) server receiving an obtaining instruction message sent by a service control manager, wherein the obtaining instruction message instructs the backup EPG server to obtain service information of a failed present network EPG server; the backup EPG server obtaining the service information of the failed present network EPG server according to the obtaining instruction message, and sending an obtaining response message to the service control manager after finishing obtaining the service information.
    • 本发明公开了一种用于操作因特网协议电视服务系统的方法,装置和系统。 本发明涉及通信领域,解决了使用冷备用电子程序员指导(EPG)服务器或者将用户转移到其他EPG服务器而造成的服务质量差的问题。 该方法包括:备份电子程序员指南(EPG)服务器,接收服务控制管理器发送的获取指令消息,其中所述获取指令消息指示所述备份EPG服务器获取故障的当前网络EPG服务器的服务信息; 所述备份EPG服务器根据所述获取指示消息获取所述失败的当前网络EPG服务器的服务信息,并且在完成获取所述服务信息之后向所述服务控制管理器发送获取响应消息。
    • 99. 发明申请
    • Method and System for Data Synchronization in Content Delivery Network
    • 内容交付网络数据同步方法与系统
    • US20120166391A1
    • 2012-06-28
    • US13393902
    • 2010-09-01
    • Hao LiuYu LiuJianchun Wang
    • Hao LiuYu LiuJianchun Wang
    • G06F17/30
    • H04L67/1095H04L65/4076
    • The invention provides discloses a method for data synchronization in a content delivery network. The method includes: a data synchronization client requesting a data synchronization processing manager for obtaining a belonged data synchronization processing agent, establishing a heartbeat connection with the belonged synchronization processing agent to acquire operation status of the belonged data synchronization processing agent; and the data synchronization processing manager scanning a management side database, and if a synchronization task needing to be informed to the data synchronization client is scanned in the management side database, the data synchronization processing manager generating the synchronization task for the corresponding synchronization processing agent in an ability side database. The present invention also provides a system for data synchronization in a content delivery network, a data synchronization processing agent and a data synchronization processing manager.
    • 本发明提供了一种在内容传送网络中进行数据同步的方法。 该方法包括:数据同步客户机,请求数据同步处理管理器,获取所属数据同步处理代理,与所属同步处理代理建立心跳连接,获取所属数据同步处理代理的操作状态; 并且数据同步处理管理器扫描管理侧数据库,并且如果在管理侧数据库中扫描需要通知数据同步客户端的同步任务,则数据同步处理管理器为相应的同步处理代理生成同步任务 一个能力方数据库。 本发明还提供了一种用于内容传送网络中的数据同步的系统,数据同步处理代理和数据同步处理管理器。