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    • 32. 发明申请
    • Database management systems and methods for managing a database
    • 用于管理数据库的数据库管理系统和方法
    • US20050187952A1
    • 2005-08-25
    • US11037077
    • 2005-01-19
    • Horst Werner
    • Horst Werner
    • G06F12/00G06F17/30G06F7/00
    • G06F17/3056Y10S707/99944Y10S707/99953
    • Database management systems and methods for managing a database are disclosed. In one embodiment, a database management system is provided that comprises a database layer including a database for storing data, and a spreadsheet layer for representing data from the database layer in a spreadsheet in accordance with a view, wherein the view causes at least one of a delivery of data to the spreadsheet layer from the database layer and a maintenance of data from the spreadsheet layer to the database layer. The system may further comprise an interface layer arranged to interface the database layer with the spreadsheet layer, wherein the database layer stores in the database data corresponding to a plurality of entities of a plurality of entity types in a plurality of tables, respectively, wherein the plurality of entities are linked by a plurality of relations in a predetermined structure, and further wherein the interface layer comprises a semantic net server for transforming the structure of the data in the database layer into a semantic net and the view is defined in terms of the semantic net to facilitate an interoperability between the database layer and the spreadsheet layer.
    • 公开了用于管理数据库的数据库管理系统和方法。 在一个实施例中,提供了数据库管理系统,其包括数据库层,数据库层包括用于存储数据的数据库,以及用于根据视图从电子表格中的数据库层表示数据的电子表格层,其中,所述视图使至少一个 从数据库层将数据传送到电子表格层,并将数据从电子表格层维护到数据库层。 系统还可以包括布置成将数据库层与电子表格层接口的接口层,其中数据库层分别存储在对应于多个表中的多个实体类型的多个实体的数据库数据中,其中, 多个实体通过预定结构中的多个关系链接,并且其中接口层包括用于将数据库层中的数据的结构转换为语义网的语义网服务器,并且视图根据 语义网,以促进数据库层和电子表格层之间的互操作性。
    • 37. 发明授权
    • Process and device for monitoring the temperature of an electric
generator
    • 用于监测发电机温度的过程和装置
    • US5701044A
    • 1997-12-23
    • US599385
    • 1996-02-09
    • Horst-Werner EmshoffLutz InticharHermann Scheil
    • Horst-Werner EmshoffLutz InticharHermann Scheil
    • H02H7/06G01K1/02G01R31/34H02K9/24H02K11/00H02P9/00
    • G01R31/343G01K1/026
    • In order to monitor the temperature of an electric generator, the temperatures of a plurality of rods of a stator winding of the generator being cooled by a coolant, preferably a water-cooled stator winding, are detected. In order to detect a temperature deviation in each winding rod, a measured actual or real temperature value of each winding rod is compared with a reference value for the winding rod. The reference value is derived from parameters previously determined for the winding rod by reference measurement and from presently or currently detected, operation-relevant parameters of the generator. The parameters for each winding rod are derived from a temperature of the winding rod detected during the reference measurement and from a number of functions that corresponds to the number of parameters. The functions are derived from operation-relevant parameters detected during the reference measurement in different states of operation of the generator. The temperature may thus be monitored while operation-relevant influencing variables, such as the stator current of the generator, are taken into account.
    • 为了监测发电机的温度,检测发电机的定子绕组的多个杆的温度由冷却剂,优选水冷定子绕组冷却。 为了检测每个绕组中的温度偏差,将每个绕组的测量实际或实际温度值与绕组的参考值进行比较。 参考值是通过参考测量以及当前或当前检测到的发电机的运行相关参数从先前为绕组杆确定的参数导出的。 每个绕组杆的参数是从在参考测量期间检测到的绕组杆的温度和与参数数量相对应的多个功能得出的。 这些功能来自于在发电机的不同运行状态下在参考测量期间检测的操作相关参数。 因此,可以监视温度,同时考虑与发生器的定子电流等操作相关的影响变量。