AN ACCELERATION BASED MISFIRE DETECTION SYSTEM AND METHOD WITH IMPROVED SIGNAL FIDELITY
    1.
    发明申请
    AN ACCELERATION BASED MISFIRE DETECTION SYSTEM AND METHOD WITH IMPROVED SIGNAL FIDELITY 审中-公开
    基于加速度的MISFIRE检测系统和具有改进的信号强度的方法

    公开(公告)号:WO1996003630A1

    公开(公告)日:1996-02-08

    申请号:PCT/US1995008431

    申请日:1995-06-05

    Applicant: MOTOROLA INC.

    CPC classification number: G01M15/11

    Abstract: An acceleration based misfire detection system with improved signal fidelity comprises a measurement device (421, 423, 425, 427) for determining an operating condition of the powertrain (401). The operating condition can include engine speed, engine load, as well as other conditions. A misfire detector (417) provides a misfire indication (419) dependent on an improved fidelity acceleration signal (415). The improved fidelity acceleration signal (415) is provided by either a median filter (413) operating on an acceleration signal (411) where the median filter's rank is programmable dependent on the determined operating condition of the powertrain, a highpass filter operating on an acceleration signal (411) where the highpass filter's order is programmable dependent on the determined operating condition of the powertrain, or from an acceleration determination device (409) acting on velocity information provided by a lowpass filter (407) operating on a velocity signal (406) where the lowpass filter's order is programmable dependent on the determined operating condition of the powertrain, or a combination of the above.

    Abstract translation: 具有改善的信号保真度的基于加速度的失火检测系统包括用于确定动力系(401)的操作状态的测量装置(421,423,425,427)。 运行条件可以包括发动机转速,发动机负荷以及其他条件。 失火探测器(417)根据改进的保真加速度信号(415)提供失火指示(419)。 改进的保真加速度信号(415)由操作在加速度信号(411)上的中值滤波器(413)提供,其中中值滤波器的秩可编程,取决于确定的动力系的运行状态,运行在加速度上的高通滤波器 信号(411),其中高通滤波器的顺序可根据所确定的动力系的操作条件或来自加速度确定装置(409)而起作用的作用在由速度信号(406)上操作的低通滤波器(407)提供的速度信息上, 其中低通滤波器的顺序可根据动力总成的确定的操作条件或上述的组合来编程。

    Misfire detection method and apparatus
    2.
    发明授权
    Misfire detection method and apparatus 失效
    用于检测失火的方法和装置

    公开(公告)号:EP0763194B1

    公开(公告)日:2005-01-19

    申请号:EP96909484.6

    申请日:1996-02-08

    Applicant: MOTOROLA, INC.

    CPC classification number: G01M15/11

    Abstract: A misfire detection method and apparatus includes measurement of combustion induced torque in an internal combustion engine and provision of time-ordered first, second, and third acceleration data samples dependent on torque. A misfire is indicated (513) when a magnitude of the second acceleration data sample has a magnitude less than a misfire threshold (517), and less than a magnitude of both the first and third acceleration data samples (511).

    MISFIRE DETECTION METHOD AND APPARATUS
    4.
    发明申请
    MISFIRE DETECTION METHOD AND APPARATUS 审中-公开
    MISFIRE检测方法和装置

    公开(公告)号:WO1996030737A1

    公开(公告)日:1996-10-03

    申请号:PCT/US1996001799

    申请日:1996-02-08

    Applicant: MOTOROLA INC.

    CPC classification number: G01M15/11

    Abstract: A misfire detection method and apparatus includes measurement of combustion induced torque in an internal combustion engine and provision of time-ordered first, second, and third acceleration data samples dependent on torque. A misfire is indicated (513) when a magnitude of the second acceleration data sample has a magnitude less than a misfire threshold (517), and less than a magnitude of both the first and third acceleration data samples (511).

    Abstract translation: 失火检测方法和装置包括测量内燃机中的燃烧诱发扭矩,并提供取决于转矩的时间有序的第一,第二和第三加速度数据样本。 当第二加速度数据样本的大小具有小于失火阈值(517)的幅度并且小于第一和第三加速度数据样本(511)的幅度时,指示失火(513)。

    ADAPTIVE PROFILE CORRECTION FOR ROTATING POSITION ENCODERS IN RECIPROCATING ENGINES
    5.
    发明申请
    ADAPTIVE PROFILE CORRECTION FOR ROTATING POSITION ENCODERS IN RECIPROCATING ENGINES 审中-公开
    旋转位置编码器在自适应引擎中的自适应轮廓校正

    公开(公告)号:WO1996024106A1

    公开(公告)日:1996-08-08

    申请号:PCT/US1995015011

    申请日:1995-11-21

    Applicant: MOTOROLA INC.

    CPC classification number: G01M15/11 F02D41/0097 G01P3/489 G01P15/00

    Abstract: A method and apparatus for adaptive profile correction for rotating position encoders in reciprocating engines measures a raw engine speed derived from a rotating position encoder (107) driven by a reciprocating engine. A first corrected engine speed (1103) is provided dependent on the raw engine speed and a predetermined first encoder profile while the engine is operating bounded within a first speed range (905), and a second corrected engine speed (1103) is provided dependent on the raw engine speed and a predetermined second encoder profile while the engine is operating bounded within a second speed range (903). A microcontroller (1205) derives a processed acceleration signal (1207) dependent on the measured engine speed and provides it to an external acceleration based misfire detection system (1201) which provides a misfire indication (1203) back to the microcontroller (1205) if a combustion misfire behaviour is detected in the processed acceleration signal (1207).

    Abstract translation: 用于在往复式发动机中旋转位置编码器的自适应轮廓校正的方法和装置测量从由往复式发动机驱动的旋转位置编码器(107)得到的原始发动机速度。 当发动机在第一速度范围(905)内操作有界时,第一校正发动机转速(1103)取决于原始发动机速度和预定的第一编码器轮廓,并且第二校正发动机转速(1103)依赖于 原始发动机速度和预定的第二编码器轮廓,同时发动机在第二速度范围(903)内操作有界。 微控制器(1205)根据所测量的发动机速度导出经处理的加速度信号(1207),并将其提供给外部加速度失火检测系统(1201),该失火检测系统(1201)将失火指示(1203)提供给微控制器(1205),如果 在处理的加速度信号(1207)中检测到燃烧失火行为。

    A MISFIRE DETECTION SYSTEM AND METHOD WITH IMPROVED SIGNAL FIDELITY
    6.
    发明授权
    A MISFIRE DETECTION SYSTEM AND METHOD WITH IMPROVED SIGNAL FIDELITY 失效
    系统如何检测失火和方法的研究改善的信号忠诚

    公开(公告)号:EP0720735B1

    公开(公告)日:2002-12-04

    申请号:EP95925497.0

    申请日:1995-06-05

    Applicant: MOTOROLA, INC.

    CPC classification number: G01M15/11

    Abstract: An acceleration based misfire detection system with improved signal fidelity comprises a measurement device (421, 423, 425, 427) for determining an operating condition of the powertrain (401). The operating condition can include engine speed, engine load, as well as other conditions. A misfire detector (417) provides a misfire indication (419) dependent on an improved fidelity acceleration signal (415). The improved fidelity acceleration signal (415) is provided by either a median filter (413) operating on an acceleration signal (411) where the median filter's rank is programmable dependent on the determined operating condition of the powertrain, a highpass filter operating on an acceleration signal (411) where the highpass filter's order is programmable dependent on the determined operating condition of the powertrain, or from an acceleration determination device (409) acting on velocity information provided by a lowpass filter (407) operating on a velocity signal (406) where the lowpass filter's order is programmable dependent on the determined operating condition of the powertrain, or a combination of the above.

    ADAPTIVE PROFILE CORRECTION FOR ROTATING POSITION ENCODERS IN RECIPROCATING ENGINES
    8.
    发明公开
    ADAPTIVE PROFILE CORRECTION FOR ROTATING POSITION ENCODERS IN RECIPROCATING ENGINES 失效
    自适应改善旋转位置传感器中ROUND UNDHERBEWEGENDEN机简介

    公开(公告)号:EP0754326A1

    公开(公告)日:1997-01-22

    申请号:EP95940036.0

    申请日:1995-11-21

    Applicant: MOTOROLA, INC.

    CPC classification number: G01M15/11 F02D41/0097 G01P3/489 G01P15/00

    Abstract: A method and apparatus for adaptive profile correction for rotating position encoders in reciprocating engines measures a raw engine speed derived from a rotating position encoder (107) driven by a reciprocating engine. A first corrected engine speed (1103) is provided dependent on the raw engine speed and a predetermined first encoder profile while the engine is operating bounded within a first speed range (905), and a second corrected engine speed (1103) is provided dependent on the raw engine speed and a predetermined second encoder profile while the engine is operating bounded within a second speed range (903). A microcontroller (1205) derives a processed acceleration signal (1207) dependent on the measured engine speed and provides it to an external acceleration based misfire detection system (1201) which provides a misfire indication (1203) back to the microcontroller (1205) if a combustion misfire behaviour is detected in the processed acceleration signal (1207).

    AN ACCELERATION BASED MISFIRE DETECTION SYSTEM AND METHOD WITH IMPROVED SIGNAL FIDELITY
    9.
    发明公开
    AN ACCELERATION BASED MISFIRE DETECTION SYSTEM AND METHOD WITH IMPROVED SIGNAL FIDELITY 失效
    基于加速系统如何检测失火和方法的研究改善的信号忠诚

    公开(公告)号:EP0720735A1

    公开(公告)日:1996-07-10

    申请号:EP95925497.0

    申请日:1995-06-05

    Applicant: MOTOROLA, INC.

    CPC classification number: G01M15/11

    Abstract: An acceleration based misfire detection system with improved signal fidelity comprises a measurement device (421, 423, 425, 427) for determining an operating condition of the powertrain (401). The operating condition can include engine speed, engine load, as well as other conditions. A misfire detector (417) provides a misfire indication (419) dependent on an improved fidelity acceleration signal (415). The improved fidelity acceleration signal (415) is provided by either a median filter (413) operating on an acceleration signal (411) where the median filter's rank is programmable dependent on the determined operating condition of the powertrain, a highpass filter operating on an acceleration signal (411) where the highpass filter's order is programmable dependent on the determined operating condition of the powertrain, or from an acceleration determination device (409) acting on velocity information provided by a lowpass filter (407) operating on a velocity signal (406) where the lowpass filter's order is programmable dependent on the determined operating condition of the powertrain, or a combination of the above.

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