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公开(公告)号：US20180120127A1
公开(公告)日：2018-05-03
申请号：US15805381
申请日：2017-11-07
Applicant: TIAX LLC
Inventor： Thomas Kotwal , Michael Jacob Rutberg , Matthew Wiggins , J. Thomas Fowler
CPC classification number: G01C25/005 , G01C19/56 , G01C21/16 , G01V7/02
Abstract: An attitude sensor system with automatic bias correction having a primary attitude sensor wherein the primary attitude sensor comprises at least one accelerometer and an auxiliary sensor system configured to automatically estimate a bias of the accelerometer of the primary attitude sensor such that the resulting error is removed from an output of the attitude sensor system.
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2.发明申请STRAPDOWN HEADING SENSORS AND SYSTEMS, AND METHODS OF CALIBRATING AND COMPENSATING THE SAME 审中-公开连接头发传感器和系统及其校准和补偿方法公开(公告)号：US20150204667A1
公开(公告)日：2015-07-23
申请号：US14564657
申请日：2014-12-09
Applicant: TIAX LLC
Inventor： J. Thomas Fowler , Matthew C. Wiggins , Vernon E. Shrauger
Abstract: A strapdown heading sensor includes an elongated housing and a compass module at least partially positioned within an inner cavity of the elongated housing. The compass module is cantilevered within the inner cavity of the elongated housing.
Abstract translation: 紧固航向传感器包括细长壳体和至少部分地定位在细长壳体的内腔内的罗盘模块。 指南针模块在细长壳体的内腔内悬臂。
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3.发明授权公开(公告)号：US10209068B2
公开(公告)日：2019-02-19
申请号：US14564657
申请日：2014-12-09
Applicant: TIAX LLC
Inventor： J. Thomas Fowler , Matthew C. Wiggins , Vernon E. Shrauger
Abstract: A strapdown heading sensor includes an elongated housing and a compass module at least partially positioned within an inner cavity of the elongated housing. The compass module is cantilevered within the inner cavity of the elongated housing.
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4.发明授权公开(公告)号：US11326880B2
公开(公告)日：2022-05-10
申请号：US16945071
申请日：2020-07-31
Applicant: TIAX LLC
Inventor： J. Thomas Fowler , Matthew C. Wiggins , Vernon E. Shrauger
Abstract: Methods of calibrating strapdown heading sensors and strapdown heading sensors are provided. The methods include compensating raw sensor data generated by sensors of an uncalibrated strapdown heading sensor to compensate for errors in an instrument frame of the strapdown heading sensor. The strapdown heading sensor is put in a target apparatus and output data is compensated to compensate for errors in an apparatus frame relative to the instrument frame. The strapdown heading sensors include a housing and a compass module having a first sensor configured to detect a magnetic field of the Earth and a second sensor configured to detect a gravitational force of the Earth. The first sensor and the second sensor are each passively isolated from bending and/or flexing of the housing such that an alignment between the first sensor and the second sensor is not disturbed due to the bending and/or flexing.
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公开(公告)号：US11293778B1
公开(公告)日：2022-04-05
申请号：US15353417
申请日：2016-11-16
Applicant: TIAX LLC
Inventor： Thomas Kotwal , Michael Jacob Rutberg , Matthew Wiggins , J. Thomas Fowler
Abstract: An attitude sensor system with automatic bias correction having a primary attitude sensor wherein the primary attitude sensor comprises at least one accelerometer and an auxiliary sensor system configured to automatically estimate a bias of the accelerometer of the primary attitude sensor such that the resulting error is removed from an output of the attitude sensor system.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20190186914A1
公开(公告)日：2019-06-20
申请号：US16245433
申请日：2019-01-11
Applicant: TIAX LLC
Inventor： J. Thomas Fowler , Matthew C. Wiggins , Vernon E. Shrauger
Abstract: Methods of calibrating strapdown heading sensors and strapdown heading sensors are provided. The methods include compensating raw sensor data generated by sensors of an uncalibrated strapdown heading sensor to compensate for errors in an instrument frame of the strapdown heading sensor. The strapdown heading sensor is put in a target apparatus and output data is compensated to compensate for errors in an apparatus frame relative to the instrument frame. The strapdown heading sensors include a housing and a compass module having a first sensor configured to detect a magnetic field of the Earth and a second sensor configured to detect a gravitational force of the Earth. The first sensor and the second sensor are each passively isolated from bending and/or flexing of the housing such that an alignment between the first sensor and the second sensor is not disturbed due to the bending and/or flexing.
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公开(公告)号：US20140298922A1
公开(公告)日：2014-10-09
申请号：US14209102
申请日：2014-03-13
Applicant: Tiax LLC
Inventor： Chad Austin Smutzer , J. Thomas Fowler , Thomas Kotwal , Michael Rutberg , J. Robert Fricke
IPC: G01L3/04
CPC classification number: G01L3/04 , G01L3/109 , G01L3/1428 , G01L3/1435
Abstract: A torque sensing device includes a rotating component configured to rotate about an axis of rotation and a first sensor positioned adjacent to the rotating component to sense instantaneous angular position of the rotating component at a first location. A second sensor is positioned adjacent to the rotating component radially inboard of the first sensor to sense instantaneous angular position of the rotating component at a second location. A controller is operably coupled to the first sensor and the second sensor. The controller determines a relative phase shift between a first signal generated by the first sensor and a second signal generated by the second sensor to calculate an output proportional to a torque applied to the rotating component.
Abstract translation: 扭矩感测装置包括被配置为围绕旋转轴线旋转的旋转部件和邻近旋转部件定位的第一传感器，以在第一位置处感测旋转部件的瞬时角位置。 第二传感器与第一传感器径向内侧的旋转部件相邻地定位，以便在第二位置检测旋转部件的瞬时角位置。 控制器可操作地耦合到第一传感器和第二传感器。 控制器确定由第一传感器产生的第一信号和由第二传感器产生的第二信号之间的相对相移，以计算与施加到旋转部件的转矩成比例的输出。
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8.发明授权公开(公告)号：US10823567B2
公开(公告)日：2020-11-03
申请号：US16245433
申请日：2019-01-11
Applicant: TIAX LLC
Inventor： J. Thomas Fowler , Matthew C. Wiggins , Vernon E. Shrauger
Abstract: Methods of calibrating strapdown heading sensors and strapdown heading sensors are provided. The methods include compensating raw sensor data generated by sensors of an uncalibrated strapdown heading sensor to compensate for errors in an instrument frame of the strapdown heading sensor. The strapdown heading sensor is put in a target apparatus and output data is compensated to compensate for errors in an apparatus frame relative to the instrument frame. The strapdown heading sensors include a housing and a compass module having a first sensor configured to detect a magnetic field of the Earth and a second sensor configured to detect a gravitational force of the Earth. The first sensor and the second sensor are each passively isolated from bending and/or flexing of the housing such that an alignment between the first sensor and the second sensor is not disturbed due to the bending and/or flexing.
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公开(公告)号：US10302453B2
公开(公告)日：2019-05-28
申请号：US15805381
申请日：2017-11-07
Applicant: TIAX LLC
Inventor： Thomas Kotwal , Michael Jacob Rutberg , Matthew Wiggins , J. Thomas Fowler
Abstract: An attitude sensor system with automatic bias correction having a primary attitude sensor wherein the primary attitude sensor comprises at least one accelerometer and an auxiliary sensor system configured to automatically estimate a bias of the accelerometer of the primary attitude sensor such that the resulting error is removed from an output of the attitude sensor system.
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公开(公告)号：US09157816B2
公开(公告)日：2015-10-13
申请号：US14209102
申请日：2014-03-13
Applicant: Tiax LLC
Inventor： Chad Austin Smutzer , J. Thomas Fowler , Thomas Kotwal , Michael Rutberg , J. Robert Fricke
CPC classification number: G01L3/04 , G01L3/109 , G01L3/1428 , G01L3/1435
Abstract: A torque sensing device includes a rotating component configured to rotate about an axis of rotation and a first sensor positioned adjacent to the rotating component to sense instantaneous angular position of the rotating component at a first location. A second sensor is positioned adjacent to the rotating component radially inboard of the first sensor to sense instantaneous angular position of the rotating component at a second location. A controller is operably coupled to the first sensor and the second sensor. The controller determines a relative phase shift between a first signal generated by the first sensor and a second signal generated by the second sensor to calculate an output proportional to a torque applied to the rotating component.
Abstract translation: 扭矩感测装置包括被配置为围绕旋转轴线旋转的旋转部件和邻近旋转部件定位的第一传感器，以在第一位置处感测旋转部件的瞬时角位置。 第二传感器与第一传感器径向内侧的旋转部件相邻地定位，以便在第二位置检测旋转部件的瞬时角位置。 控制器可操作地耦合到第一传感器和第二传感器。 控制器确定由第一传感器产生的第一信号和由第二传感器产生的第二信号之间的相对相移，以计算与施加到旋转部件的转矩成比例的输出。
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