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    • 8. 发明授权
    • Method and system for performing function-specific memory checks within a vehicle-based control system
    • 用于在基于车辆的控制系统内执行功能特定的存储器检查的方法和系统
    • US07533322B2
    • 2009-05-12
    • US11266609
    • 2005-11-03
    • Paul A. BauerleKerfegar K. Katrak
    • Paul A. BauerleKerfegar K. Katrak
    • G11C29/00
    • G06F11/1004
    • Integrity of data stored in a memory space associated with a vehicle-based control system (such as a traction enhancement system) is verified through the use of sub-module checksums. A checksum for one or more subsystem modules is initially calculated based upon a checksum routine and the values of data residing in the portions of the memory space associated with the subsystem of interest. A global checksum is also initially calculated based upon data associated with the entire memory space. If the global checksum matches an expected value, the subsystem checksum(s) are stored as expected subsystem checksums. During subsequent operation, a second subsystem checksum is calculated and compared against the expected checksum value for the subsystem to verify the integrity of data residing within the memory space associated with the subsystem.
    • 通过使用子模块校验和来验证存储在与基于车辆的控制系统(例如牵引增强系统)相关联的存储器空间中的数据的完整性。 最初基于校验和例程和驻留在与感兴趣的子系统相关联的存储器空间的部分中的数据的值来计算一个或多个子系统模块的校验和。 还基于与整个存储空间相关联的数据最初计算全局校验和。 如果全局校验和与期望值匹配,则子系统校验和将作为预期子系统校验和存储。 在后续操作期间,计算第二子系统校验和并与子系统的预期校验和值进行比较,以验证驻留在与子系统相关联的存储器空间内的数据的完整性。
    • 9. 发明授权
    • Methods and apparatus for adjusting frequency and/or PWM-based sensors
    • 用于调整频率和/或基于PWM的传感器的方法和装置
    • US07383120B2
    • 2008-06-03
    • US10895640
    • 2004-07-21
    • John N. StockbridgeKerfegar K. KatrakPaul A. Bauerle
    • John N. StockbridgeKerfegar K. KatrakPaul A. Bauerle
    • G06F17/00
    • F02D11/106F02D2041/2027F02D2250/14
    • A sensor module adjustment circuit includes a device have a position between minimum and maximum positions. First and second position sensors sense the position of the device and generate first and second position values, respectively. A sensor module includes first and second signal conversion modules that generate first and second signal waveforms based on the first and second position values, that include first and second gain modules, and that vary a frequency and a duty cycle, respectively, of the first and second signal waveforms based on the first and second position values. A gain magnitude module determines first and second signal gains of the first and second gain modules, respectively. A signal preset module adjusts the first and second signal gains so that the first and second signal waveforms are equal to first and second predetermined signal waveforms, respectively, when the position of the device is fixed.
    • 传感器模块调节电路包括具有最小和最大位置之间的位置的装置。 第一和第二位置传感器感测装置的位置并分别产生第一和第二位置值。 传感器模块包括第一和第二信号转换模块,其基于包括第一和第二增益模块的第一和第二位置值产生第一和第二信号波形,并且分别改变第一和第二增益模块的频率和占空比, 基于第一和第二位置值的第二信号波形。 增益幅度模块分别确定第一和第二增益模块的第一和第二信号增益。 信号预设模块调整第一和第二信号增益,使得当装置的位置固定时,第一和第二信号波形分别等于第一和第二预定信号波形。
    • 10. 发明授权
    • Apparatus and method for processing sensor output signals
    • 传感器输出信号处理装置及方法
    • US07200469B2
    • 2007-04-03
    • US10811377
    • 2004-03-25
    • Kerfegar K. KatrakPaul A. BauerleAlan H. Canavan
    • Kerfegar K. KatrakPaul A. BauerleAlan H. Canavan
    • G01M19/00F02D11/00
    • F02D11/105B60W10/04B60W50/0205B60W50/023
    • A method and apparatus are provided for generating a vehicle control signal that controls a function of a vehicle device associated with a sensed event. The apparatus comprises a first sensor that is configured to provide a first sensor output signal having a first magnitude that approximately corresponds to a sensed event with a first accuracy and second sensor that is configured to provide a second sensor output signal having a second magnitude that approximately corresponds to the sensed event with a second accuracy that is less than the first level of accuracy. The apparatus also comprises a processor that is configured to receive the first sensor output signal, receive the second sensor output signal, calculate a magnitude for the vehicle control signal based on an average of a weighted value of the first magnitude and the second magnitude, generate the vehicle control signal with the magnitude, and provide the vehicle control signal to the vehicle device.
    • 提供了一种用于产生控制与感测到的事件相关联的车辆装置的功能的车辆控制信号的方法和装置。 该装置包括第一传感器,其被配置为提供第一传感器输出信号,该第一传感器输出信号具有与第一精度近似对应于感测事件的第一幅度,第二传感器被配置为提供第二传感器输出信号, 对应于具有小于第一精度水平的第二精度的感测事件。 该装置还包括处理器,其被配置为接收第一传感器输出信号,接收第二传感器输出信号,基于第一幅度和第二幅度的加权值的平均值来计算车辆控制信号的幅度,生成 车辆控制信号具有大小,并向车辆装置提供车辆控制信号。