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    • 1. 发明专利
    • A METHOD FOR MODULAR MULTILEVEL CONVERTER (INVERTER) OPEN-CIRCUIT FAULT IDENTIFICATION AND POSITIONING
    • AU2021102724A4
    • 2021-07-15
    • AU2021102724
    • 2021-05-21
    • ANKAIAH BURRI MRH ANANDA M MRKUMAR MAHESH MRN LATHA MSOOMMEN SUJO MSV DIVYA B MS
    • OOMMEN SUJOANKAIAH BURRIKUMAR MAHESHH ANANDA MN LATHAV DIVYA B
    • G01R31/27G01R31/28G01R31/317
    • A METHOD FOR MODULAR MULTILEVEL CONVERTER (INVERTER) OPEN CIRCUIT FAULT IDENTIFICATION AND POSITIONING Aspects of the present disclosure relate to method (100) for identifying and positioning open 5 circuit faults of multilevel inverter. The Modular Multilevel Converter (MMC) is a power electronic structure used for high voltage adjustable speed drives applications as well as power transmission applications and high-voltage direct current. MMC structure presents many advantages such as modularity, the absence of a high voltage DC bus and very low switching frequency. An ESO based fault detection and location (114) method (100) is 10 proposed, which features a low computation burden and relatively quick fault detection and location (114). In this method the voltage difference (106) between the ESO and theoretical voltages is used for setting (108) plurality of sampling points against the output current. From these sampling points the information is acquired (110). The proposed fault diagnosis strategy features a low computation burden and relatively fast speed in fault detection and 15 location (114) as it uses machine learning models based on multivariate gaussian distribution. (FIG. 1 will be the reference figure) - 13 - aippiican name: rage i 01 100 acquiring theoretical full ann voltage by a 102 calculator acquiring ESO full arm voltage by an ESO 104 calculating the difference between the theoretical full am voltage and ESO full arm voltage setting plurality of sampling point 108 acquiring current sampling information 110 identifying the open-eircuit fault 112 finding the location of the open-circuit fault using f' 114 a fault detection and location (FDL) method FIG. 1 Flow diagram of method for identifying and positioning open-circuit faults of multilevel inverter.
    • 10. 发明申请
    • SWINE VACCINATION SYSTEM
    • 动物疫苗系统
    • WO2009099869A2
    • 2009-08-13
    • PCT/US2009032363
    • 2009-01-29
    • WYETH CORPKUMAR MAHESH
    • KUMAR MAHESH
    • A61D7/00
    • A61D1/025A61D7/04A61D2003/003A61M11/00A61M2205/13A61M2205/3379A61M2210/0606A61M2250/00
    • A system for vaccinating swine according to one embodiment includes a housing having an open first end and an open opposite second end. The housing has a pair of side walls that are angled and non-parallel to one another such that at the second end only a single piglet can exit at one time. The system also includes a vaccination station for individually vaccinating piglets. The vaccination station is located between the pair of side walls in a region thereof that is sized to only permit one piglet to stand between the side walls. The vaccination station includes at least one sensor that detects the presence of the one piglet within the vaccination station and at least one spray nozzle positioned within the vaccination station such that a vaccine dose discharged therefrom is directed upwardly into facial areas of the piglet effectively.
    • 根据一个实施例的用于接种猪的系统包括具有敞开的第一端和敞开的相对的第二端的壳体。 壳体具有一对侧壁,它们彼此成角度并且不平行,使得在第二端只有一只小猪可以一次离开。 该系统还包括一个单独接种仔猪的疫苗接种站。 疫苗接种站位于其一侧区域中的一对侧壁之间,其尺寸仅允许一只小猪站在侧壁之间。 疫苗接种站包括至少一个传感器,其检测疫苗接种站内的一只仔猪的存在以及位于疫苗接种站内的至少一个喷嘴,使得从其中排出的疫苗剂量有效地向上指向小猪的面部区域。