VEHICLE TRACTION CONTROL SYSTEM AND METHOD
    102.
    发明申请

    公开(公告)号:US20190047594A1

    公开(公告)日:2019-02-14

    申请号:US16163225

    申请日:2018-10-17

    Abstract: A method and system determine, during movement of a vehicle system along a route, a tractive load demanded by the vehicle system to propel the vehicle system along the route. The vehicle system includes a propulsion-generating vehicle having plural individually controllable traction motors. A first selected set of the traction motors for deactivation is identified during the movement of the vehicle system along the route based at least in part on the tractive load demanded by the vehicle system. The traction motors in the first selected set are deactivated while at least one of the traction motors in a first remaining set of the traction motors continues to generate tractive effort to propel the vehicle system. The traction motors that are selected for deactivation may all be on the same vehicle in the vehicle system, or may be on different vehicles of the same vehicle system.

    CURRENT REDUCTION SYSTEM FOR INVERTERS CONNECTED TO A COMMON BUS

    公开(公告)号:US20180205326A1

    公开(公告)日:2018-07-19

    申请号:US15921299

    申请日:2018-03-14

    Abstract: The systems and methods described herein relate to electrical circuits. A system (e.g., inverter current system) is provided. The system includes plural inverters connected to a common bus and at least one capacitor. The inverters are configured to convert a direct current (DC) through the common bus to an alternating current (AC), by alternating different switches of the inverters between open and closed states in a respective switching cycle for each of the inverters. The system includes a controller circuit. The controller circuit is configured to adjust a current conducted onto the common bus to the inverters so that a root mean square of the current meets one or more designated criteria. The controller circuit controls the inverters to apply a frequency shift to the respective switching cycle of one or more of the inverters.

    Filter assembly and method
    105.
    发明授权

    公开(公告)号:US10008322B2

    公开(公告)日:2018-06-26

    申请号:US14746163

    申请日:2015-06-22

    CPC classification number: H01F37/00 H01F27/263 H01F27/28 H01F41/0233

    Abstract: An electronic filter assembly includes a magnetically conductive annular body extending around a center axis, a set of magnetically conductive prongs radially extending from the center axis toward the annular body, and conductive windings extending around the prongs. The conductive windings can be disposed around the prongs instead of the annular body to assist in conduction of common mode magnetic flux, to reduce impedance of the filter assembly, and/or to more evenly distribute temperature in the filter assembly. A method for forming an electronic filter assembly includes forming an electronic filter assembly having a magnetically conductive annular body extending around a center axis and a set of magnetically conductive prongs radially extending from the center axis toward the annular body. The annular body and the prongs can be formed by coupling plural layers of magnetically conductive bodies together.

    System and method for determining a quality value of a location estimation of equipment

    公开(公告)号:US09862396B2

    公开(公告)日:2018-01-09

    申请号:US14559081

    申请日:2014-12-03

    CPC classification number: B61L25/021 B61L25/025 B61L25/026 B61L2205/04

    Abstract: A system is provided for determining a quality of a location estimation of a powered system at a location. The system includes a first sensor configured to measure a first parameter of the powered system at the location. The system further includes a second sensor configured to measure a second parameter of the powered system at the location. The system further includes a second controller configured to determine the location estimation of the powered system and the quality of the location estimation, based upon a first location of the powered system based on the first parameter, and a second location of the powered system based on the second parameter of the powered system. A method is also provided for determining a quality of a location estimation of a powered system at a location.

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