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    • 51. 发明授权
    • Medium voltage DC collection system
    • 中压直流采集系统
    • US09300132B2
    • 2016-03-29
    • US13364550
    • 2012-02-02
    • Jiuping PanHongrae KimJun LiJing XuJyoti SastryWaqas Arshad
    • Jiuping PanHongrae KimJun LiJing XuJyoti SastryWaqas Arshad
    • H02J1/10H02J3/38H02J4/00H02J3/36H02M7/483
    • H02J1/102H02J3/36H02J3/386H02J4/00H02M2007/4835Y02E10/763Y02E60/60Y10T307/707
    • A power generation system includes at least one generator having at least two sets of stator windings, an active rectifier comprising power cell based modular converters associated with each set of generator windings. Each set of windings is connected to an AC voltage side of the associated active rectifier, with each active rectifier having a positive DC voltage output and a negative DC voltage output. The DC voltage outputs of active rectifiers are connected to each other in series. A medium voltage DC (MVDC) collection network comprises positive pole cables and negative pole cables, wherein each positive pole cable is connected to the positive DC voltage output of a first active rectifier and each negative pole cable is connected to the negative DC voltage output of a last active rectifier. A substation receives the negative and positive pole cables of the MVDC collection network for further transformation and transmission.
    • 发电系统包括具有至少两组定子绕组的至少一个发电机,包括与每组发电机绕组相关联的基于功率单元的模块转换器的有源整流器。 每组绕组连接到相关的有源整流器的AC电压侧,每个有源整流器具有正的直流电压输出和负的直流电压输出。 有源整流器的直流电压输出串联连接。 中压直流(MVDC)采集网络包括正极电缆和负极电缆,其中每个正极电缆连接到第一有源整流器的正直流电压输出,每个负极电缆连接到负极直流电压输出 最后一个有源整流器。 变电站接收MVDC收集网络的负极和正极电缆,用于进一步的变换和传输。
    • 55. 发明授权
    • Missing value imputation for predictive models
    • 预测模型缺失值插补
    • US08843423B2
    • 2014-09-23
    • US13403863
    • 2012-02-23
    • Yea J. ChuSier HanJing-Yun ShyrJing Xu
    • Yea J. ChuSier HanJing-Yun ShyrJing Xu
    • G06F15/18G06N5/02
    • G06N5/025G06F15/18G06N5/04G06N99/005
    • Provided are techniques for imputing a missing value for each of one or more predictor variables. Data is received from one or more data sources. For each of the one or more predictor variables, an imputation model is built based on information of a target variable; a type of imputation model to construct is determined based on the one or more data sources, a measurement level of the predictor variable, and a measurement level of the target variable; and the determined type of imputation model is constructed using basic statistics of the predictor variable and the target variable. The missing value is imputed for each of the one or more predictor variables using the data from the one or more data sources and one or more built imputation models to generate a completed data set.
    • 提供了用于估算每个一个或多个预测变量的缺失值的技术。 从一个或多个数据源接收数据。 对于一个或多个预测变量中的每一个,基于目标变量的信息构建插补模型; 基于一个或多个数据源,预测变量的测量水平和目标变量的测量水平来确定构造的插补模型的类型; 并使用预测变量和目标变量的基本统计量构建确定的插补模型。 使用来自一个或多个数据源的数据和一个或多个内置插补模型来为每个一个或多个预测变量估计缺失值,以生成完成的数据集。
    • 57. 发明申请
    • REAL-TIME 3D SHAPE MEASUREMENT SYSTEM
    • 实时三维形状测量系统
    • US20140002610A1
    • 2014-01-02
    • US14005207
    • 2012-03-14
    • Ning XiJing XuChi Zhang
    • Ning XiJing XuChi Zhang
    • G01B11/25
    • G01B11/2545G01B11/2513
    • Improved method and system for performing three-dimensional shape inspection by: projecting a pattern of light onto an object of interest with a projector, the pattern of light being constituted by a plurality of symbols of different shapes; capturing an image of the illuminated object with an image capturing device; determining the 3D shape of the object from the image data and the projected light pattern with a processor using triangulation. The pattern of light is projected in an omnidirectional plane by means of a first mirrored surface having hyperbolic shape to provide an alternative to traditional monochromatic light based patterns.
    • 改进的方法和系统,用于通过以下方式执行三维形状检查:通过投影仪将光图案投影到感兴趣的对象上,所述图案由多个不同形状的符号构成; 用图像捕获装置拍摄被照明物体的图像; 使用三角测量法利用处理器从图像数据和投影光图案确定对象的3D形状。 光的图案通过具有双曲线形状的第一镜像表面投影在全向平面中,以提供传统的基于单色光的图案的替代。