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    • 1. 发明申请
    • SYSTEMS AND METHODS FOR COMBINING A PRIORI DATA WITH SENSOR DATA
    • 用于将传统数据与传感器数据组合的系统和方法
    • US20130080050A1
    • 2013-03-28
    • US13240957
    • 2011-09-22
    • John B. McKitterick
    • John B. McKitterick
    • G01C21/20
    • G01S13/89G01C21/005G01S7/4004
    • Systems and method for improving the presentation of sensed data (e.g., radar) by including a priori data. The a priori data is recast as if it were the output of a sensor. This allows the inclusion of the a priori data into an evidence grid that is combined with data from multiple types of sensors. Before the sensor data is combined into the evidence grid, the sensor data is aligned with the a priori data using an optimization algorithm. The optimization algorithm provides an optimum probability of a match between the sensor data and the a priori data by adjusting position or attitude associated with the sensor device. This removes any navigational errors associated with the sensor device data.
    • 通过包括先验数据来改善感测数据(例如雷达)的呈现的系统和方法。 先验数据重新表达,就像传感器的输出一样。 这允许将先验数据包括在与来自多种类型的传感器的数据组合的证据网格中。 在将传感器数据组合到证据网格之前,传感器数据使用优化算法与先验数据对齐。 优化算法通过调整与传感器装置相关联的位置或姿态,提供传感器数据与先验数据之间匹配的最佳概率。 这将消除与传感器设备数据相关的任何导航错误。
    • 2. 发明授权
    • Radiation hard CMOS circuits in silicon-on-insulator films
    • 绝缘体上硅膜中的辐射硬CMOS电路
    • US5103277A
    • 1992-04-07
    • US627123
    • 1990-12-13
    • Anthony L. CavigliaAndras F. CserhatiJohn B. McKitterick
    • Anthony L. CavigliaAndras F. CserhatiJohn B. McKitterick
    • H01L27/12H01L29/786
    • H01L29/78648H01L27/1203Y10S257/906
    • Means for compensating for threshold voltage shifts of Metal Oxide Semiconductor Field Effect Transistors (MOS FETs) of a Large Scale Integrated Circuit device (LSI), where the threshold voltage shifts are induced by radiation dosage. The FETs are formed in a relatively thin layer of silicon on an insulator film supported by a substrate. The compensating means includes a pair of sensor FETs formed integrally with the LSI device, an operational amplifier and a back gate formed opposite the channel regions of the FETs of the LSI device. The sensor FETs develop an output voltage that is applied as one input to the operational amplifier. A reference voltage, equal to the sensor output voltage prior to exposure to radiation, is applied as a second input to the operational amplifier. The amplifier output is applied to the back gate. The sensor output voltage changes as a result of radiation dosage. The amplifier output then changes, altering the back gate voltage in a manner tending to restore the sensor output to the original value. Such change in the back gate voltage compensates for radiation induced changes in the threshold voltages of the FETs of the LSI device.
    • 用于补偿大规模集成电路器件(LSI)的金属氧化物半导体场效应晶体管(MOS FET)的阈值电压偏移的装置,其中阈值电压偏移由辐射剂量诱导。 FET由在衬底上支撑的绝缘膜上形成在较薄的硅层中。 补偿装置包括与LSI器件一体形成的一对传感器FET,与LSI器件的FET的沟道区域相反形成的运算放大器和背栅极。 传感器FET产生作为运算放大器的一个输入端的输出电压。 在辐射之前等于传感器输出电压的参考电压作为运算放大器的第二输入。 放大器输出被施加到后门。 传感器输出电压由于辐射剂量而变化。 然后,放大器输出改变,以以将传感器输出恢复到原始值的方式改变背栅电压。 背栅极电压的这种变化补偿了LSI器件的FET的阈值电压的辐射感应变化。
    • 3. 发明授权
    • Systems and methods for navigation using cross correlation on evidence grids
    • 导航系统和方法在证据网格上使用互相关
    • US08855911B2
    • 2014-10-07
    • US12963893
    • 2010-12-09
    • Yunqian MaJohn B. McKitterickWesley J. Hawkinson
    • Yunqian MaJohn B. McKitterickWesley J. Hawkinson
    • G01C21/16G01S5/16G01S5/02
    • G01S5/0252G01S5/0263G01S5/16
    • Systems and methods for navigation using cross correlation on evidence grids are provided. In one embodiment, a system for using cross-correlated evidence grids to acquire navigation information comprises: a navigation processor coupled to an inertial measurement unit, the navigation processor configured to generate a navigation solution; a sensor configured to scan an environment; an evidence grid creator coupled to the sensor and the navigation processor, wherein the evidence grid creator is configured to generate a current evidence grid based on data received from the sensor and the navigation solution; a correlator configured to correlate the current evidence grid against a historical evidence grid stored in a memory to produce displacement information; and where the navigation processor receives correction data derived from correlation of evidence grids and adjusts the navigation solution based on the correction data.
    • 提供了在证据网格上使用互相关的导航系统和方法。 在一个实施例中,一种用于使用相互关联的证据网格来获取导航信息的系统包括:与惯性测量单元耦合的导航处理器,所述导航处理器被配置为产生导航解决方案; 配置成扫描环境的传感器; 耦合到所述传感器和所述导航处理器的证据格网创建器,其中所述证据格网创建器被配置为基于从所述传感器和所述导航解决方案接收的数据来生成当前证据网格; 相关器,其被配置为将当前证据格栅与存储在存储器中的历史证据网格相关联以产生位移信息; 并且其中导航处理器接收从证据网格的相关性导出的校正数据,并且基于校正数据来调整导航解决方案。
    • 5. 发明授权
    • Mapping systems and methods
    • 映射系统和方法
    • US07302359B2
    • 2007-11-27
    • US11350302
    • 2006-02-08
    • John B. McKitterick
    • John B. McKitterick
    • G01B7/00
    • G01S17/89G01C7/06G01C21/16G01C21/32G05D1/024G05D1/0255G05D1/027
    • Improved systems and methods for mapping are provided. In one embodiment, a system for mapping is provided. The system comprises a rangefinder adapted to output range measurements; an inertial sensor adapted to capture inertial measurements including inertial forces acting on the rangefinder and the attitude of the rangefinder; and a processor coupled the rangefinder and the inertial sensor and adapted to receive a set of range measurements from the rangefinder and inertial measurements from the inertial sensor. The processor is adapted to produce a virtual room reconstruction based on the set of range measurements from the rangefinder and inertial measurements from inertial sensor.
    • 提供了改进的系统和映射方法。 在一个实施例中,提供了用于映射的系统。 该系统包括适于输出范围测量的测距仪; 惯性传感器适于捕获惯性测量,包括作用在测距仪上的惯性力和测距仪的姿态; 以及耦合所述测距仪和所述惯性传感器并且适于从所述惯性传感器的测距仪和惯性测量值接收一组测距范围的处理器。 该处理器适于基于来自惯性传感器的测距仪和惯性测量值的一组范围测量值来产生虚拟房间重建。
    • 6. 发明授权
    • Systems and methods for combining a priori data with sensor data
    • 用于将先验数据与传感器数据组合的系统和方法
    • US08868344B2
    • 2014-10-21
    • US13240957
    • 2011-09-22
    • John B. McKitterick
    • John B. McKitterick
    • G01C21/00G01S13/89G01S7/40
    • G01S13/89G01C21/005G01S7/4004
    • Systems and method for improving the presentation of sensed data (e.g., radar) by including a priori data. The a priori data is recast as if it were the output of a sensor. This allows the inclusion of the a priori data into an evidence grid that is combined with data from multiple types of sensors. Before the sensor data is combined into the evidence grid, the sensor data is aligned with the a priori data using an optimization algorithm. The optimization algorithm provides an optimum probability of a match between the sensor data and the a priori data by adjusting position or attitude associated with the sensor device. This removes any navigational errors associated with the sensor device data.
    • 通过包括先验数据来改善感测数据(例如雷达)的呈现的系统和方法。 先验数据重新表达,就像传感器的输出一样。 这允许将先验数据包括在与来自多种类型的传感器的数据组合的证据网格中。 在将传感器数据组合到证据网格之前,传感器数据使用优化算法与先验数据对齐。 优化算法通过调整与传感器装置相关联的位置或姿态,提供传感器数据与先验数据之间匹配的最佳概率。 这将消除与传感器设备数据相关的任何导航错误。
    • 8. 发明申请
    • CONSTRUCTION OF EVIDENCE GRID FROM MULTIPLE SENSOR MEASUREMENTS
    • 从多个传感器测量建立证据网格
    • US20090238473A1
    • 2009-09-24
    • US12051801
    • 2008-03-19
    • John B. McKitterick
    • John B. McKitterick
    • G06K9/34G06K9/62G06T17/00G06F19/00
    • G01S13/723G01S13/878G01S13/9023
    • A system includes at least one sensor device configured to transmit a first detection signal over a first spatial region and a second detection signal over a second spatial region. The second region has a first sub-region in common with the first region. The system further includes a processing device configured to assign a first occupancy value to a first cell in an evidence grid. The first cell represents the first sub-region, and the first occupancy value characterizes whether an object has been detected by the first detection signal as being present in the first sub-region. The processing device is further configured to calculate, based on the first and second detection signals, the probability that the first occupancy value accurately characterizes the presence of the object in the first sub-region, and generate a data representation of the first sub-region based on the probability calculation.
    • 一种系统包括至少一个传感器装置,其被配置为在第一空间区域上传送第一检测信号,并在第二空间区域上传送第二检测信号。 第二区域具有与第一区域相同的第一子区域。 该系统还包括处理装置,其被配置为将第一占用值分配给证据网格中的第一小区。 第一单元表示第一子区域,第一占用值表征由第一检测信号检测出的物体是否存在于第一子区域。 所述处理装置还被配置为基于所述第一和第二检测信号计算所述第一占用值准确地表征所述对象在所述第一子区域中的存在并且生成所述第一子区域的数据表示的概率 基于概率计算。
    • 10. 发明授权
    • Construction of evidence grid from multiple sensor measurements
    • 从多个传感器测量建立证据网格
    • US08311695B2
    • 2012-11-13
    • US12051801
    • 2008-03-19
    • John B. McKitterick
    • John B. McKitterick
    • G01C22/00
    • G01S13/723G01S13/878G01S13/9023
    • A system includes at least one sensor device configured to transmit a first detection signal over a first spatial region and a second detection signal over a second spatial region. The second region has a first sub-region in common with the first region. The system further includes a processing device configured to assign a first occupancy value to a first cell in an evidence grid. The first cell represents the first sub-region, and the first occupancy value characterizes whether an object has been detected by the first detection signal as being present in the first sub-region. The processing device is further configured to calculate, based on the first and second detection signals, the probability that the first occupancy value accurately characterizes the presence of the object in the first sub-region, and generate a data representation of the first sub-region based on the probability calculation.
    • 一种系统包括至少一个传感器装置,其被配置为在第一空间区域上传送第一检测信号,并在第二空间区域上传送第二检测信号。 第二区域具有与第一区域相同的第一子区域。 该系统还包括处理装置,其被配置为将第一占用值分配给证据网格中的第一小区。 第一单元表示第一子区域,第一占用值表征由第一检测信号检测出的物体是否存在于第一子区域。 所述处理装置还被配置为基于所述第一和第二检测信号计算所述第一占用值准确地表征所述对象在所述第一子区域中的存在并且生成所述第一子区域的数据表示的概率 基于概率计算。