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    • 1. 发明申请
    • Fault Detector and Fault Detection Method for Attitude Control System of Spacecraft
    • 航天器姿态控制系统故障检测与故障检测方法
    • US20120053780A1
    • 2012-03-01
    • US12946882
    • 2010-11-16
    • Chan Gook PARKJun Han LEEWon Hee LEE
    • Chan Gook PARKJun Han LEEWon Hee LEE
    • G06F19/00G01M17/00
    • B64G1/24B64G1/26B64G1/283B64G2001/245
    • Provided are a fault detector and a fault detection method for an attitude control system (ACS) of a spacecraft. The fault detector includes a first interacting multiple model (IMM) fault detection block for generating a normal model filter of the plurality of actuators and a plurality of upper level filters including fault model filters corresponding to the respective actuators, and detecting faults of the plurality of actuators using an IMM estimation technique from the plurality of upper level filters, and a second IMM fault detection block for generating a plurality of lower level filters each including a fault type model filter of the fault-detected actuator in the first IMM fault detection block, and detecting a fault type of the failed actuator using the IMM estimation technique.
    • 提供了一种用于航天器的姿态控制系统(ACS)的故障检测器和故障检测方法。 故障检测器包括用于产生多个致动器的正常模型滤波器的第一交互多模型(IMM)故障检测块和包括与各个致动器相对应的故障模型滤波器的多个上级滤波器,并且检测多个 执行器,其使用来自多个上级滤波器的IMM估计技术;以及第二IMM故障检测块,用于生成多个下级滤波器,每个低电平滤波器包括第一IMM故障检测块中的故障检测致动器的故障型模型滤波器, 并使用IMM估计技术检测故障致动器的故障类型。
    • 2. 发明申请
    • Continuous wave supercontinuum light source and medical diagnostic apparatus using the same
    • 连续波超连续光源和使用其的医疗诊断装置
    • US20070160091A1
    • 2007-07-12
    • US11583152
    • 2006-10-19
    • Jun Han LeeYoung Geun HanSang Bae LeeChang Seok Kim
    • Jun Han LeeYoung Geun HanSang Bae LeeChang Seok Kim
    • H01S3/30
    • H01S3/067H01S3/06791H01S3/108H01S3/1608
    • Disclosed are a continuous wave supercontinuum laser source resonator using low-priced multimode semiconductor lasers as pumping light and applying a rare-earth doped optical fiber and a Highly Nonlinear Dispersion Shifted Fiber (HNL-DSF) to a ring resonator structure to embody a continuous wave supercontinuum light source, and a medical diagnostic apparatus using the same. The resonator consists of a pump combiner for inputting pumping light into the resonator; a rare-earth doped optical fiber for receiving and converting the pumping light into seed light of a predetermined wavelength band; a Highly Nonlinear Dispersion Shifted Fiber (HNL-DSF) for converting the light converted by the rare-earth doped optical fiber and oscillating in the resonator into a continuous wave supercontinuum laser source; and a coupler for outputting the supercontinuum laser source generated from the Highly Nonlinear Dispersion Shifted Fiber (HNL-DSF). Accordingly, it is possible to embody a simple and inexpensive continuous wave supercontinuum laser source.
    • 公开了一种使用低价多模半导体激光器作为泵浦光并将稀土掺杂光纤和高非线性色散移位光纤(HNL-DSF)应用于环形谐振器结构的连续波超连续光谱激光源谐振器,以体现连续波 超连续光源,以及使用其的医疗诊断装置。 谐振器由用于将泵浦光输入谐振器的泵组合器组成; 用于接收并将泵送光转换成预定波长带的种子光的稀土掺杂光纤; 用于将由稀土掺杂光纤转换并在谐振器中振荡的光转换成连续波超连续光源的高非线性色散位移光纤(HNL-DSF); 以及用于输出由高非线性色散移位光纤(HNL-DSF)产生的超连续光谱激光源的耦合器。 因此,可以体现简单廉价的连续波超连续谱激光源。
    • 3. 发明授权
    • Fault detector and fault detection method for attitude control system of spacecraft
    • 航天器姿态控制系统的故障检测和故障检测方法
    • US08775009B2
    • 2014-07-08
    • US12946882
    • 2010-11-16
    • Chan Gook ParkJun Han LeeWon Hee Lee
    • Chan Gook ParkJun Han LeeWon Hee Lee
    • G01M17/00B64G1/24B64G1/26B64G1/28
    • B64G1/24B64G1/26B64G1/283B64G2001/245
    • Provided are a fault detector and a fault detection method for an attitude control system (ACS) of a spacecraft. The fault detector includes a first interacting multiple model (IMM) fault detection block for generating a normal model filter of the plurality of actuators and a plurality of upper level filters including fault model filters corresponding to the respective actuators, and detecting faults of the plurality of actuators using an IMM estimation technique from the plurality of upper level filters, and a second IMM fault detection block for generating a plurality of lower level filters each including a fault type model filter of the fault-detected actuator in the first IMM fault detection block, and detecting a fault type of the failed actuator using the IMM estimation technique.
    • 提供了一种用于航天器的姿态控制系统(ACS)的故障检测器和故障检测方法。 故障检测器包括用于产生多个致动器的正常模型滤波器的第一交互多模型(IMM)故障检测块和包括与各个致动器相对应的故障模型滤波器的多个上级滤波器,并且检测多个 执行器,其使用来自多个上级滤波器的IMM估计技术;以及第二IMM故障检测块,用于生成多个下级滤波器,每个低电平滤波器包括第一IMM故障检测块中的故障检测致动器的故障型模型滤波器, 并使用IMM估计技术检测故障致动器的故障类型。