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    • 2. 发明申请
    • SYSTEMS AND METHODS FOR LOCALIZATION OF TIRE PRESSURE MONITORING SYSTEM WHEEL MODULES
    • 轮胎压力监测系统车轮模块定位的系统和方法
    • US20120200408A1
    • 2012-08-09
    • US13022345
    • 2011-02-07
    • Martin GotschlichThomas Lange
    • Martin GotschlichThomas Lange
    • B60C23/02
    • B60C23/0416B60C23/0488
    • Embodiments relate to unidirectional TPMS utilizing information from a corresponding vehicle system in order to correlate with vehicle speed information to be used in a tire localization methodology. In an embodiment, the vehicle system is an anti-lock brake system (ABS), and the vehicle speed can be used in a localization scheme that reconstructs a +/−1 g ripple with waveform, amplitude, frequency and phase parameters. Because the waveform is known to be sinusoidal (due to the wheel rotation), the amplitude is known to be 2 g peak-to-peak (due to the gravitational +/−1 g), the frequency depends on vehicle speed (which can be estimated from centrifugal force measurements), and an algorithm is discussed herein for determining the phase by correlation, the +/−1 g ripple can be reconstructed and the wheels localized therefrom.
    • 实施例涉及使用来自相应车辆系统的信息的单向TPMS,以便与在轮胎定位方法中使用的车辆速度信息相关联。 在一个实施例中,车辆系统是防抱死制动系统(ABS),并且车辆速度可以以用波形,幅度,频率和相位参数重建+/- 1g纹波的定位方案来使用。 由于已知波形为正弦波(由于车轮旋转),振幅已知为2 g峰 - 峰(由于重力+/- 1 g),频率取决于车速(可以 通过离心力测量估计),并且本文讨论用于通过相关确定相位的算法,可以重建+/- 1g纹波并且轮从其定位。
    • 3. 发明授权
    • Systems and methods for localization of tire pressure monitoring system wheel modules
    • 轮胎压力监测系统车轮模块的定位系统和方法
    • US08593273B2
    • 2013-11-26
    • US13022345
    • 2011-02-07
    • Martin GotschlichThomas Lange
    • Martin GotschlichThomas Lange
    • B60C23/10
    • B60C23/0416B60C23/0488
    • Embodiments relate to unidirectional TPMS utilizing information from a corresponding vehicle system in order to correlate with vehicle speed information to be used in a tire localization methodology. In an embodiment, the vehicle system is an anti-lock brake system (ABS), and the vehicle speed can be used in a localization scheme that reconstructs a +/−1 g ripple with waveform, amplitude, frequency and phase parameters. Because the waveform is known to be sinusoidal (due to the wheel rotation), the amplitude is known to be 2 g peak-to-peak (due to the gravitational +/−1 g), the frequency depends on vehicle speed (which can be estimated from centrifugal force measurements), and an algorithm is discussed herein for determining the phase by correlation, the +/−1 g ripple can be reconstructed and the wheels localized therefrom.
    • 实施例涉及使用来自相应车辆系统的信息的单向TPMS,以便与在轮胎定位方法中使用的车辆速度信息相关联。 在一个实施例中,车辆系统是防抱死制动系统(ABS),并且车辆速度可以以用波形,幅度,频率和相位参数重建+/- 1g纹波的定位方案来使用。 由于已知波形为正弦波(由于车轮旋转),振幅已知为2 g峰 - 峰(由于重力+/- 1 g),频率取决于车速(可以 通过离心力测量估计),并且本文讨论用于通过相关确定相位的算法,可以重建+/- 1g纹波并且轮从其定位。
    • 4. 发明授权
    • Indirect tire pressure monitoring systems and methods
    • 间接轮胎压力监测系统和方法
    • US08573045B2
    • 2013-11-05
    • US13284043
    • 2011-10-28
    • Martin Gotschlich
    • Martin Gotschlich
    • B60C23/02B60C23/06
    • B60C23/02B60C23/0408B60C23/062
    • Embodiments relate to indirect tire pressure monitoring systems (TPMSs) and methods that utilize anti-lock braking system (ABS) signals. In embodiments, information from the ABS Hall signal is obtained before pulse forming. The information can be analyzed for resonance within the ABS sensor. In some embodiments, the digitized information can be modulated onto the conventional ABS wheel speed clock signal for transmission to and analysis by the indirect TPMS electronic control unit (ECU). According to embodiments, additional information about higher-order harmonics of the wheel rotation can be provided to the TPMS ECU, which can then calculate a more accurate estimation of tire pressure while reducing warning latency.
    • 实施例涉及使用防抱死制动系统(ABS)信号的间接轮胎压力监测系统(TPMS)和方法。 在实施例中,在脉冲形成之前获得来自ABS霍尔信号的信息。 可以分析ABS传感器内的共振信息。 在一些实施例中,数字化信息可以被调制到传统的ABS轮速度时钟信号上,以便传输到间接TPMS电子控制单元(ECU)并由其分析。 根据实施例,可以向TPMS ECU提供关于车轮旋转的高次谐波的附加信息,其可以在减少警告等待时间的同时计算更准确的轮胎压力估计。
    • 5. 发明申请
    • INDIRECT TIRE PRESSURE MONITORING SYSTEMS AND METHODS
    • 间接轮胎压力监测系统和方法
    • US20130104640A1
    • 2013-05-02
    • US13284043
    • 2011-10-28
    • Martin Gotschlich
    • Martin Gotschlich
    • B60C23/02
    • B60C23/02B60C23/0408B60C23/062
    • Embodiments relate to indirect tire pressure monitoring systems (TPMSs) and methods that utilize anti-lock braking system (ABS) signals. In embodiments, information from the ABS Hall signal is obtained before pulse forming. The information can be analyzed for resonance within the ABS sensor. In some embodiments, the digitized information can be modulated onto the conventional ABS wheel speed clock signal for transmission to and analysis by the indirect TPMS electronic control unit (ECU). According to embodiments, additional information about higher-order harmonics of the wheel rotation can be provided to the TPMS ECU, which can then calculate a more accurate estimation of tire pressure while reducing warning latency.
    • 实施例涉及使用防抱死制动系统(ABS)信号的间接轮胎压力监测系统(TPMS)和方法。 在实施例中,在脉冲形成之前获得来自ABS霍尔信号的信息。 可以分析ABS传感器内的共振信息。 在一些实施例中,数字化信息可以被调制到传统的ABS轮速度时钟信号上,以便传输到间接TPMS电子控制单元(ECU)并由其分析。 根据实施例,可以向TPMS ECU提供关于车轮旋转的高次谐波的附加信息,其可以在减少警告等待时间的同时计算更准确的轮胎压力估计。