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    • 3. 发明申请
    • APPARATUS AND METHODS FOR CALIBRATING DYNAMIC PARAMETERS OF A VEHICLE NAVIGATION SYSTEM
    • 用于校准车辆导航系统动态参数的装置和方法
    • US20120022780A1
    • 2012-01-26
    • US12841953
    • 2010-07-22
    • Victor KulikJoseph Czompo
    • Victor KulikJoseph Czompo
    • G01C21/00
    • G01C25/00G01C21/28G01C22/025
    • Apparatus and methods for calibrating dynamic parameters of a vehicle navigation system are presented. One method may include determining whether reference position data of a vehicle is available, and measuring composite accelerations of the vehicle. The method may further include generating distance and turn angle data based upon a wheel speed sensors data, computing distance and turn angle errors based upon the independent position data, and associating the distance and turn angle errors with composite accelerations. A second method presented includes calibrating an inertial navigation sensor within a vehicle navigation system. The second method may include determining reference position data and Inertial Navigation System (INS) data, aligning an IMU with the vehicle, and aligning the IMU with an Earth fixed coordinate system. The second method may further include computing the vehicle alignment with respect to a horizontal plane, and determining calibration parameters for distance sensors associated with the vehicle.
    • 提出了一种用于校准车辆导航系统的动态参数的装置和方法。 一种方法可以包括确定车辆的参考位置数据是否可用,以及测量车辆的复合加速度。 该方法还可以包括基于基于独立位置数据的车轮速度传感器数据,计算距离和转角误差以及将距离和转角误差与复合加速度相关联来产生距离和转角数据。 所提出的第二种方法包括校准车辆导航系统内的惯性导航传感器。 第二种方法可以包括确定参考位置数据和惯性导航系统(INS)数据,将IMU与车辆对准,以及将IMU与地面固定坐标系对准。 第二种方法还可以包括计算相对于水平面的车辆对准,以及确定与车辆相关联的距离传感器的校准参数。
    • 4. 发明申请
    • DYNAMIC SENSOR RANGE
    • 动态传感器范围
    • US20110257936A1
    • 2011-10-20
    • US12763017
    • 2010-04-19
    • Victor KulikJoseph CzompoCristina A. Seibert
    • Victor KulikJoseph CzompoCristina A. Seibert
    • G06F15/00
    • G01D3/024
    • A device for sensing a phenomenon using a dynamic measurement range includes: a sensing element configured to measure the phenomenon using a first measurement range and to provide an analog indication of a value of the phenomenon; an analog-to-digital converter (ADC) coupled to the sensing element and configured to convert the analog indication to a digital indication; and a processor coupled to the ADC and the sensing element and configured to analyze the digital indication to determine a second measurement range for the sensing element and to cause the sensing element to change from the first measurement range to the second measurement range for measurement of the phenomenon, the first measurement range being different than the second measurement range.
    • 用于使用动态测量范围感测现象的装置包括:感测元件,被配置为使用第一测量范围来测量该现象并提供该现象的值的模拟指示; 耦合到所述感测元件并被配置为将所述模拟指示转换为数字指示的模拟 - 数字转换器(ADC); 以及耦合到所述ADC和所述感测元件并且被配置为分析所述数字指示以确定所述感测元件的第二测量范围并且使所述感测元件从所述第一测量范围变化到所述第二测量范围的处理器, 第一测量范围与第二测量范围不同。
    • 6. 发明授权
    • Apparatus and methods for calibrating dynamic parameters of a vehicle navigation system
    • 用于校准车辆导航系统的动态参数的装置和方法
    • US08843290B2
    • 2014-09-23
    • US12841953
    • 2010-07-22
    • Victor KulikJoseph Czompo
    • Victor KulikJoseph Czompo
    • B60T7/12G08G1/123G01S19/00G01C25/00G01C22/02G01C21/28
    • G01C25/00G01C21/28G01C22/025
    • Apparatus and methods for calibrating dynamic parameters of a vehicle navigation system are presented. One method may include determining whether reference position data of a vehicle is available, and measuring composite accelerations of the vehicle. The method may further include generating distance and turn angle data based upon a wheel speed sensors data, computing distance and turn angle errors based upon the independent position data, and associating the distance and turn angle errors with composite accelerations. A second method presented includes calibrating an inertial navigation sensor within a vehicle navigation system. The second method may include determining reference position data and Inertial Navigation System (INS) data, aligning an IMU with the vehicle, and aligning the IMU with an Earth fixed coordinate system. The second method may further include computing the vehicle alignment with respect to a horizontal plane, and determining calibration parameters for distance sensors associated with the vehicle.
    • 提出了一种用于校准车辆导航系统动态参数的装置和方法。 一种方法可以包括确定车辆的参考位置数据是否可用,以及测量车辆的复合加速度。 该方法还可以包括基于基于独立位置数据的车轮速度传感器数据,计算距离和转角误差以及将距离和转角误差与复合加速度相关联来产生距离和转角数据。 所提出的第二种方法包括校准车辆导航系统内的惯性导航传感器。 第二种方法可以包括确定参考位置数据和惯性导航系统(INS)数据,将IMU与车辆对准,以及将IMU与地面固定坐标系对准。 第二种方法还可以包括计算相对于水平面的车辆对准,以及确定与车辆相关联的距离传感器的校准参数。
    • 7. 发明授权
    • Dynamic sensor range
    • 动态传感器范围
    • US09234770B2
    • 2016-01-12
    • US12763017
    • 2010-04-19
    • Victor KulikJoseph CzompoCristina A. Seibert
    • Victor KulikJoseph CzompoCristina A. Seibert
    • G06F15/00G01D3/024
    • G01D3/024
    • A device for sensing a phenomenon using a dynamic measurement range includes: a sensing element configured to measure the phenomenon using a first measurement range and to provide an analog indication of a value of the phenomenon; an analog-to-digital converter (ADC) coupled to the sensing element and configured to convert the analog indication to a digital indication; and a processor coupled to the ADC and the sensing element and configured to analyze the digital indication to determine a second measurement range for the sensing element and to cause the sensing element to change from the first measurement range to the second measurement range for measurement of the phenomenon, the first measurement range being different than the second measurement range.
    • 用于使用动态测量范围感测现象的装置包括:感测元件,被配置为使用第一测量范围来测量该现象并提供该现象的值的模拟指示; 耦合到所述感测元件并被配置为将所述模拟指示转换为数字指示的模拟 - 数字转换器(ADC); 以及耦合到所述ADC和所述感测元件并且被配置为分析所述数字指示以确定所述感测元件的第二测量范围并且使所述感测元件从所述第一测量范围变化到所述第二测量范围的处理器, 第一测量范围与第二测量范围不同。
    • 8. 发明授权
    • Numerically stable computation of heading without a reference axis
    • 没有参考轴的航向的数值稳定计算
    • US08914037B2
    • 2014-12-16
    • US13208285
    • 2011-08-11
    • Joseph CzompoVictor Kulik
    • Joseph CzompoVictor Kulik
    • H04W24/00G01C21/16
    • G01C21/165
    • Systems and methods are described for computing device motion direction and orientation. A system as described herein includes an orientation sensor configured to collect data relating to orientation of the mobile device; an orientation analysis module communicatively coupled to the orientation sensor and configured to determine a three-dimensional orientation of the mobile device relative to an Earth-based coordinate system based on the data collected by the orientation sensor; and a motion direction tracker module communicatively coupled to the orientation analysis module, configured to compute a first direction, that is a three-dimensional direction of motion of the mobile device relative to a coordinate system of the mobile device, and configured to compute a second direction, that is a direction of motion of the mobile device relative to the Earth-based coordinate system, based on the first direction using the three-dimensional orientation of the mobile device relative to the Earth-based coordinate system.
    • 描述了用于计算设备运动方向和方向的系统和方法。 如本文所述的系统包括定向传感器,其被配置为收集与移动设备的取向有关的数据; 定向分析模块,其通信地耦合到所述定向传感器并且被配置为基于由所述方位传感器收集的数据来确定所述移动设备相对于基于地球的坐标系的三维取向; 以及通信地耦合到所述定向分析模块的运动方向跟踪器模块,被配置为计算第一方向,所述第一方向是所述移动设备相对于所述移动设备的坐标系的三维运动方向,并且被配置为计算第二方向 方向,即移动装置相对于基于地球的坐标系的运动方向,基于使用移动装置相对于地球坐标系的三维取向的第一方向。
    • 9. 发明申请
    • Numerically Stable Computation of Heading Without a Reference Axis
    • 没有参考轴的标题的数值稳定计算
    • US20130040653A1
    • 2013-02-14
    • US13208285
    • 2011-08-11
    • Joseph CzompoVictor Kulik
    • Joseph CzompoVictor Kulik
    • H04W24/00
    • G01C21/165
    • Systems and methods are described for computing device motion direction and orientation. A system as described herein includes an orientation sensor configured to collect data relating to orientation of the mobile device; an orientation analysis module communicatively coupled to the orientation sensor and configured to determine a three-dimensional orientation of the mobile device relative to an Earth-based coordinate system based on the data collected by the orientation sensor; and a motion direction tracker module communicatively coupled to the orientation analysis module, configured to compute a first direction, that is a three-dimensional direction of motion of the mobile device relative to a coordinate system of the mobile device, and configured to compute a second direction, that is a direction of motion of the mobile device relative to the Earth-based coordinate system, based on the first direction using the three-dimensional orientation of the mobile device relative to the Earth-based coordinate system.
    • 描述了用于计算设备运动方向和方向的系统和方法。 如本文所述的系统包括定向传感器,其被配置为收集与移动设备的取向有关的数据; 定向分析模块,其通信地耦合到所述定向传感器并且被配置为基于由所述方位传感器收集的数据来确定所述移动设备相对于基于地球的坐标系的三维取向; 以及通信地耦合到所述定向分析模块的运动方向跟踪器模块,被配置为计算第一方向,所述第一方向是所述移动设备相对于所述移动设备的坐标系的三维运动方向,并且被配置为计算第二方向 方向,即移动装置相对于基于地球的坐标系的运动方向,基于使用移动装置相对于地球坐标系的三维取向的第一方向。