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公开(公告)号：US20230378851A1
公开(公告)日：2023-11-23
申请号：US17750597
申请日：2022-05-23
Applicant: Steering Solutions IP Holding Corporation
Inventor： Mojtaba Bahrami Kouhshahi , Mohammed (Rakib) Islam , Jeffrey T. Klass , Steven J. Collier-Hallman , Md. Zakirul Islam
IPC: H02K11/215 , H02K29/08 , H02K7/00
CPC classification number: H02K11/215 , H02K29/08 , H02K7/003
Abstract: An electric machine includes a rotor structure disposed within a motor housing, wherein a second rotor end has a plurality of axially stacked laminations. The electric machine further includes a motor position sensor system which includes a first plurality of cutouts defined in the plurality of axially stacked laminations, wherein the first plurality of cutouts have a progressively smaller cross-sectional area at each lamination. The motor position sensor system also includes a second plurality of cutouts defined in the plurality of axially stacked laminations, wherein the second plurality of cutouts have a progressively smaller cross-sectional area at each lamination. The motor position sensor system further includes a plurality of motor sensors axially spaced from the second rotor end, and a plurality of sensor magnets axially spaced from the second rotor end and the plurality of motor sensors.
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公开(公告)号：US20210378097A1
公开(公告)日：2021-12-02
申请号：US17331553
申请日：2021-05-26
Applicant: STEERING SOLUTIONS IP HOLDING CORPORATION
Inventor： Steven J. Collier-Hallman , Daniel J. Klenk , Ryan D. Yaklin
Abstract: An apparatus for an electronic power steering system includes a printed circuit board and a first sensor. The printed circuit board comprising: a first surface and a second surface opposite the first surface; a first processor section extending in a first direction on the first surface; a second processor section extending in a second direction opposite the first direction on the second surface; and a void disposed between the first surface and the second surface, the first processor section and the second processor section being separated by the void.
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公开(公告)号：US20210371007A1
公开(公告)日：2021-12-02
申请号：US16888838
申请日：2020-05-31
Applicant: STEERING SOLUTIONS IP HOLDING CORPORATION
Inventor： Steven J. Collier-Hallman
Abstract: A method for a steer by wire steering system. The method includes determining a difference between a commanded steering ratio and an achieved steering ratio and determining whether the difference between the commanded steering ratio and the achieved steering ratio is greater than a threshold. The method also includes, in response to a determination that the difference between the commanded steering ratio and the achieved steering ratio is greater than the threshold, adjusting the commanded steering ratio to be equal to the achieved steering ratio. The method also includes, in response to a determination that the difference between the commanded steering ratio and the achieved steering ratio is greater than the threshold, selectively adjusting a bandwidth of a filter based on at least one vehicle characteristic of an associated vehicle and adjusting, using the filter, the commanded steering ratio to be equal to a desired steering ratio.
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公开(公告)号：US20140244113A1
公开(公告)日：2014-08-28
申请号：US14186611
申请日：2014-02-21
Applicant: STEERING SOLUTIONS IP HOLDING CORPORATION
Inventor： Steven J. Collier-Hallman
Abstract: A method of calculating a motor velocity in an electric power steering system comprises receiving a plurality of motor position signals from a motor position sensor of the electronic power steering system, calculating a plurality of angle difference based on the motor position signals prior to performing any filtering operations on the motor position signals, performing a linear regression analysis on the angle differences to predict an angle difference, and calculating a motor velocity based on the predicted angle difference.
Abstract translation: 计算电动助力转向系统中的电动机速度的方法包括从电动助力转向系统的电动机位置传感器接收多个电动机位置信号，在执行任何过滤之前，基于电动机位置信号计算多个角度差 对电机位置信号进行操作，对角度差进行线性回归分析以预测角度差，以及基于预测角度差计算电动机速度。
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