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11. 发明授权

US08903598B2 Techniques for detecting supercharger belt slip 有权
标题翻译：检测增压器皮带滑移的技术
公开(公告)号：US08903598B2
公开(公告)日：2014-12-02
申请号：US13865384
申请日：2013-04-18
申请人： Zhijian James Wu , Andrew P. Bagnasco
发明人： Zhijian James Wu , Andrew P. Bagnasco
IPC分类号： G01M17/00 , F02D23/00 , F02D23/02
CPC分类号： F02D23/005 , F02B39/04 , F02B77/081 , F02D23/02 , F02D41/0007 , F02D2041/288 , F02D2200/0406 , F02D2250/14
摘要： A technique can include receiving, at a controller for a vehicle, the controller including one or more processors, a signal indicative of a pressure in an intake manifold of an engine of the vehicle. The vehicle can include a supercharger configured to supply pressurized air to the intake manifold. The supercharger can be driven by a crankshaft of the engine via a belt. The technique can include estimating, at the controller, a frequency of the signal to obtain an estimated frequency. The technique can include determining, at the controller, whether the belt is slipping based on a comparison between the estimated frequency and a predetermined frequency. The technique can also include outputting, at the controller, a notification when the belt is determined to be slipping.
摘要翻译：技术可以包括在车辆的控制器处接收包括一个或多个处理器的控制器，指示车辆发动机的进气歧管中的压力的信号。车辆可以包括配置成向进气歧管供应加压空气的增压器。增压器可以由发动机的曲轴通过皮带驱动。该技术可以包括在控制器处估计信号的频率以获得估计的频率。该技术可以包括在控制器处基于估计频率和预定频率之间的比较确定皮带是否滑动。该技术还可以包括当控制器确定滑动时在控制器处输出通知。

12. 发明授权

US5744722A Deconvolution method of resonance detection and removal from crankshaft speed measurements 失效
标题翻译：共振检测和去除曲轴速度测量的去卷积方法
公开(公告)号：US5744722A
公开(公告)日：1998-04-28
申请号：US719304
申请日：1996-09-16
申请人： Zhijian James Wu , John Fiaschetti
发明人： Zhijian James Wu , John Fiaschetti
IPC分类号： G01P3/48 , G01H11/08 , G01H13/00
CPC分类号： G01P3/48
摘要： The present invention provides a system for detecting and removing resonance from crankshaft speed measurements comprising signal demodulation and deconvolution processing. According to the invention, a crankshaft speed sensor sends an appropriate signal corresponding to crankshaft speed to an engine controller. The input signal with resonance noise is subjected to a demodulation operation in N demodulation subsystems for resonance detection and identification. Also, the input signal with resonance noise is subjected to a deconvolution operation in N deconvolution subsystems for resonance noise removal. The demodulated signals are compared to a given set of criteria for selecting a desired signal subsystem. The desired demodulated signal subsystem is then used to screen the deconvolved signal so that only a matching deconvolved signal exits the system as the system output. Accordingly, the signal from a deconvolved signal subsystem matching the selected demodulated signal subsystem is selected as the system output. By properly identifying the desired signal subsystem during demodulation and suppressing resonance noise during deconvolution, the system output signal has an enhanced signal-to-noise ratio. Hence, the output signal is better suited for further processing, such as engine misfire detection, than according to the prior art.
摘要翻译：本发明提供了一种用于从包括信号解调和去卷积处理的曲轴速度测量中检测和去除谐振的系统。根据本发明，曲轴速度传感器将对应于曲轴速度的适当信号发送到发动机控制器。具有谐振噪声的输入信号在N个解调子系统中进行解调操作，用于谐振检测和识别。此外，具有谐振噪声的输入信号在N个去卷积子系统中进行去卷积运算，用于谐振噪声去除。将解调的信号与用于选择期望的信号子系统的给定的一组标准进行比较。然后使用所需的解调信号子系统来屏蔽解卷积信号，使得只有匹配的去卷积信号作为系统输出退出系统。因此，选择与选择的解调信号子系统相匹配的解卷积信号子系统的信号作为系统输出。通过在解调过程中正确识别期望的信号子系统并且在去卷积期间抑制谐振噪声，系统输出信号具有增强的信噪比。因此，与现有技术相比，输出信号更适合进一步处理，例如发动机失火检测。

13. 发明申请

US20140095089A1 SYSTEM AND METHOD FOR ESTIMATED BATTERY STATE OF CHARGE 审中-公开
标题翻译：用于估算电池充电状态的系统和方法
公开(公告)号：US20140095089A1
公开(公告)日：2014-04-03
申请号：US13633470
申请日：2012-10-02
申请人： Zhijian James Wu , Brian P. Gebby
发明人： Zhijian James Wu , Brian P. Gebby
IPC分类号： G01R31/36 , G06F19/00
CPC分类号： G01R31/3842 , G01R31/3648 , G01R31/3828 , G01R31/3835 , G01R35/00
摘要： A method for diagnosing an estimated battery state of charge is provided. The method includes estimating a first state of charge of a battery at a first time with a state-of-charge sensor, estimating a second state of charge of the battery at the first time, calculating a difference between the first state of charge and the second state of charge, and comparing the difference between the first state of charge and the second state of charge to a predetermined value to determine whether the battery sensor is within operating parameters. A system for estimating battery state of charge is further provided. The system includes a state-of-charge sensor configured to estimate a first state of charge of a battery at a first time, and a processor connected to the battery sensor and configured to estimate a second state of charge of the battery at the first time, and compare a difference between the first state of charge to the second state of charge to a predetermined value to determine whether the battery sensor is within operating parameters.
摘要翻译：提供了一种用于诊断估计的电池充电状态的方法。该方法包括：利用充电状态传感器在第一时间估计电池的第一充电状态，在第一时间估计电池的第二充电状态，计算第一充电状态和第二充电状态，并将第一充电状态和第二充电状态之间的差作为预定值进行比较，以确定电池传感器是否在操作参数内。还提供了一种用于估计电池充电状态的系统。该系统包括被配置为在第一时间估计电池的第一充电状态的充电状态传感器和连接到电池传感器并被配置为在第一时间估计电池的第二充电状态的处理器，并将第一充电状态与第二充电状态之间的差值比较为预定值，以确定电池传感器是否在操作参数内。

14. 发明申请

US20140316641A1 TECHNIQUES FOR DETECTING SUPERCHARGER BELT SLIP 有权
标题翻译：用于检测超级带皮带的技术
公开(公告)号：US20140316641A1
公开(公告)日：2014-10-23
申请号：US13865384
申请日：2013-04-18
申请人： Zhijian James Wu , Andrew P. Bagnasco
发明人： Zhijian James Wu , Andrew P. Bagnasco
IPC分类号： F02D23/00
CPC分类号： F02D23/005 , F02B39/04 , F02B77/081 , F02D23/02 , F02D41/0007 , F02D2041/288 , F02D2200/0406 , F02D2250/14
摘要： A technique can include receiving, at a controller for a vehicle, the controller including one or more processors, a signal indicative of a pressure in an intake manifold of an engine of the vehicle. The vehicle can include a supercharger configured to supply pressurized air to the intake manifold. The supercharger can be driven by a crankshaft of the engine via a belt. The technique can include estimating, at the controller, a frequency of the signal to obtain an estimated frequency. The technique can include determining, at the controller, whether the belt is slipping based on a comparison between the estimated frequency and a predetermined frequency. The technique can also include outputting, at the controller, a notification when the belt is determined to be slipping.
摘要翻译：技术可以包括在车辆的控制器处接收包括一个或多个处理器的控制器，指示车辆发动机的进气歧管中的压力的信号。车辆可以包括配置成向进气歧管供应加压空气的增压器。增压器可以由发动机的曲轴通过皮带驱动。该技术可以包括在控制器处估计信号的频率以获得估计的频率。该技术可以包括在控制器处基于估计频率和预定频率之间的比较确定皮带是否滑动。该技术还可以包括当控制器确定滑动时在控制器处输出通知。

15. 发明申请

US20130268177A1 INDIVIDUAL CYLINDER FUEL AIR RATIO ESTIMATION FOR ENGINE CONTROL AND ON-BOARD DIAGNOSIS 审中-公开
标题翻译：用于发动机控制和车载诊断的单独气缸燃料空气比率估计
公开(公告)号：US20130268177A1
公开(公告)日：2013-10-10
申请号：US13440126
申请日：2012-04-05
申请人： Zhijian James Wu , Paula M. Reeber-Schmanski , Richard A. Kulas , Jay C. McCombie , Gregory L. Ohl
发明人： Zhijian James Wu , Paula M. Reeber-Schmanski , Richard A. Kulas , Jay C. McCombie , Gregory L. Ohl
IPC分类号： G01M15/04 , F02D41/00
CPC分类号： F02D41/1458 , F02D41/0085 , F02D41/1439 , F02D41/1454 , F02D2041/1432 , F02D2250/14
摘要： A method of estimating the individual fuel air ratio richness of an individual cylinder in an engine by utilizing a single oxygen sensor at the confluence of a plurality of exhaust runners. The method provides for the use of a wide range or switching oxygen sensor at the confluence of a plurality of exhaust runners.
摘要翻译：一种通过在多个排气流道的汇合处利用单个氧传感器来估计发动机中各个气缸的单独燃料空气比浓度的方法。该方法提供在多个排气流道的汇合处使用宽范围或切换氧传感器。

16. 发明授权

US06902319B2 Vehicular battery temperature estimation 有权
公开(公告)号：US06902319B2
公开(公告)日：2005-06-07
申请号：US10754062
申请日：2004-01-08
申请人： Zhijian James Wu , Jyh-Laing L. Lin , Dean Marshall , Brad Schoeff , Michel Trumbo , John G Hatfield , James Karlet , Yijun Tu
发明人： Zhijian James Wu , Jyh-Laing L. Lin , Dean Marshall , Brad Schoeff , Michel Trumbo , John G Hatfield , James Karlet , Yijun Tu
IPC分类号： G01K7/42 , G01K17/20 , H02J7/14 , G01K3/02
CPC分类号： G01K7/42 , G01K17/20
摘要： A method of estimating an internal temperature of a vehicle battery is based on heat transfer between a heat source and the battery. In addition to the heat source, airflow generated by vehicle movement and radiator fans affects the internal temperature of the battery. The method estimates an initial internal temperature of the battery at engine startup based on how long the engine was off. The temperature of the heat source is determined. A transfer function is determined to represent the effect of the airflow. The method updates a current internal temperature of the battery based on the initial internal temperature and an integration of the transfer function and the heat source temperature.

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