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    METHOD OF MOUNTING AN ACCELEROMETER ON AN INTERNAL COMBUSTION ENGINE AND INCREASING SIGNAL-TO-NOISE RATIO
    121.
    发明公开
    METHOD OF MOUNTING AN ACCELEROMETER ON AN INTERNAL COMBUSTION ENGINE AND INCREASING SIGNAL-TO-NOISE RATIO 审中-公开
    方法用于确保加速度传感器内燃机和噪声距离的增加

    公开(公告)号：EP2156032A1

    公开(公告)日：2010-02-24

    申请号：EP08733659.0

    申请日：2008-03-20

    申请人： Westport Power Inc.

    发明人： ANCIMER, Richard ,  CHEUNG, Duran

    IPC分类号： F02B77/08 ,  F02D41/04 ,  G01M15/12

    CPC分类号： F02D41/3035 ,  F02D35/027 ,  G01L23/221

    摘要： A method is disclosed of mounting an accelerometer to an internal combustion engine. The method comprises securing the accelerometer to a mating surface on an engine component external to a combustion chamber where the accelerometer can generate a signal output that is characteristic of at least one combustion behaviour other than engine knock inside the combustion chamber during a combustion event. The method further comprises connecting a signal wire at one end to the accelerometer and at an opposite end to a signal processor, and increasing the signal output's signal- to-noise ratio by taking at least one of the following steps: (i) adapting the mating surface on the engine component to have a surface flatness of no more that 0.002 inches Total Indicator Reading; (ii) adapting the mating surface on the engine component to have a surface roughness Rz of no more than 16 micro-inches; (iii) anchoring the signal wire to stationary components of the engine; (iv) shielding the signal wire using a conductive sheath or integrated shielding; and, (v) applying a viscous liquid between the accelerometer and the mating surface before securing the accelerometer.

    Verfahren zur Bestimmung des Verschleisses oder der Laufleistung eines sich bewegenden Bauteils
    122.
    发明公开
    Verfahren zur Bestimmung des Verschleisses oder der Laufleistung eines sich bewegenden Bauteils 审中-公开
    用于确定的磨损或跑步的运动部件的性能的方法

    公开(公告)号：EP2151677A2

    公开(公告)日：2010-02-10

    申请号：EP09009559.7

    申请日：2009-07-23

    申请人： Schmutzenhofer, Michael

    发明人： Schmutzenhofer, Michael

    IPC分类号： G01M13/04 ,  G01M15/12 ,  G01M13/02

    CPC分类号： G01M13/045 ,  F16C19/52 ,  G01H3/00 ,  G01M13/028 ,  G01M15/12 ,  G01N3/56 ,  G01N29/14 ,  G01N29/42 ,  G01N29/4427

    摘要： Die vorliegende Erfindung betrifft ein Verfahren zur Bestimmung der Laufleistung oder des Verschleißes eines sich bewegenden Bauteils oder einer Bauteilgruppe. Es wird das Geräusch gemessen, das das Bauteil oder die Bauteilgruppe abgibt, und mit im Vorhinein bestimmten, von der Laufleistung oder dem Verschleiß abhängigen und für das jeweilige Bauteil oder die Bauteilgruppe spezifischen Geräuschwerten verglichen und anhand dieses Vergleichs die Laufleistung oder der Verschleiß des sich bewegenden Bauteils oder der Bauteilgruppe bestimmt.

    摘要翻译： 该方法包括测量来自移动组件或组件组的输出的噪声。 的频带，其中，所述噪声测量，依赖于组件或组件组。 该噪声在超声波范围内的多个点处，在那里噪声压进行测量，在计算平均值进行测定。

    METHODE D'ESTIMATION EN TEMPS REEL DE PARAMETRES DE COMBUSTION MOTEUR A PARTIR DE SIGNAUX VIBRATOIRES
    124.
    发明公开
    METHODE D'ESTIMATION EN TEMPS REEL DE PARAMETRES DE COMBUSTION MOTEUR A PARTIR DE SIGNAUX VIBRATOIRES 有权
    方法应用于振动信号发动机燃烧参数进行实时估计

    公开(公告)号：EP1994390A1

    公开(公告)日：2008-11-26

    申请号：EP07731108.2

    申请日：2007-03-07

    申请人： IFP

    发明人： CHAUVIN, Jonathan ,  BENTOLILA, Yohan ,  GRONDIN, Olivier

    IPC分类号： G01M15/12

    CPC分类号： G01M15/12

    摘要： The invention concerns a method for real time estimation of combustion engine parameters from vibratory signals. It consists in continuously acquiring, from a vibration sensor, and based on a crankshaft angle a vibratory signal representing the vibrations of the engine; real time filtering of said vibratory signal, and estimating in real time the coefficients of the Fourier decomposition of the acquired vibratory signal, by reversing the dynamics of the filter used; finally, from said coefficients, estimating in real time the combustion parameters enabling the combustion to be qualified. The invention is useful for controlling combustion of an internal combustion engine.

    METHOD OF SPECIFYING LOCATION OF OCCURRENCE OF ABNORMAL SOUND, NON-TRANSITORY STORAGE MEDIUM, AND IN-VEHICLE DEVICE
    129.
    发明公开
    METHOD OF SPECIFYING LOCATION OF OCCURRENCE OF ABNORMAL SOUND, NON-TRANSITORY STORAGE MEDIUM, AND IN-VEHICLE DEVICE 审中-公开

    公开(公告)号：EP3885735A3

    公开(公告)日：2021-12-01

    申请号：EP21153200.7

    申请日：2021-01-25

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： TABATA, Atsushi ,  OKUDA, Koichi ,  FUJII, Kota ,  IMAMURA, Ken

    IPC分类号： G01M15/04 ,  G01M13/045 ,  G01M17/00 ,  G01M15/12 ,  G01M17/007 ,  G01M7/00

    摘要： There is provided a method of specifying a location of occurrence of an abnormal sound, the method including: storing mapping data in a storage device (83), the mapping data prescribing mapping that receives, as inputs, a sound variable that matches a sound detected in a vehicle and a state variable of a drive-system device of the vehicle synchronized with the sound, and that outputs a location as a main cause of the sound; executing a sound signal acquisition process of acquiring a sound signal output from a microphone (65) that detects a sound; a state variable acquisition process of acquiring the state variable of the drive-system device; and a specifying process of specifying the location of occurrence of the sound corresponding to the sound signal using the sound variable and the state variable as inputs to the mapping. There are also provided a non-transitory storage medium and an in-vehicle device.