公开(公告)号：US20100212634A1

公开(公告)日：2010-08-26

申请号：US12095988

申请日：2006-12-04

申请人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

发明人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

IPC分类号： F02P5/04

CPC分类号： F02P5/152 ,  F02D35/027 ,  F02D2041/1433 ,  G01L23/225 ,  Y02T10/46

摘要： An engine ECU executes a program that includes the steps of: calculating (S204) a median value V(50) and a standard deviation s based on a calculated magnitude value LOG(V); and subtracting (S206) a product of the standard deviation s and a coefficient U(3) from the median value V(50) to calculate BGL. Knocking determination is carried out by comparing a knock magnitude N calculated by dividing the magnitude value LOG(P) by the BGL with a predetermined determination value V(VK). Based on the knocking determination result, ignition timing of the engine is controlled.

摘要翻译： 发动机ECU执行包括以下步骤的程序：基于所计算的幅值Log（V）计算（S204）中值V（50）和标准偏差s; 并从中值V（50）中减去（S206）标准偏差s和系数U（3）的乘积以计算BGL。 通过将通过将BGL的幅度值LOG（P）除以预定的确定值V（VK）而计算的敲击量N进行敲击确定。 基于敲击判定结果，控制发动机的点火正时。

公开(公告)号：US08005607B2

公开(公告)日：2011-08-23

申请号：US12095988

申请日：2006-12-04

申请人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

发明人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

IPC分类号： F02P5/152 ,  G06F19/00 ,  H03F1/26

CPC分类号： F02P5/152 ,  F02D35/027 ,  F02D2041/1433 ,  G01L23/225 ,  Y02T10/46

摘要： An engine ECU executes a program that includes: calculating a median value and a standard deviation based on a calculated value based on the detected vibration of the engine; and subtracting a product of the standard deviation and a coefficient from the median value to calculate a magnitude of mechanical vibration specific to the engine. Knocking determination is carried out by comparing a knock magnitude calculated by dividing the magnitude value of the peak magnitude of the detected vibration of the engine by the magnitude of mechanical vibration specific to the engine with a predetermined determination value. Based on the knocking determination result, ignition timing of the engine is controlled.

摘要翻译： 发动机ECU执行程序，其包括：基于检测到的发动机的振动，基于计算值来计算中值和标准偏差; 并从中值减去标准偏差乘积和系数，计算出发动机特有的机械振动的大小。 通过将通过将发动机的检测振动的峰值的幅度值除以预定的确定值的发动机特有的机械振动的大小来计算的敲击量进行敲击确定。 基于敲击判定结果，控制发动机的点火正时。

公开(公告)号：US07653477B2

公开(公告)日：2010-01-26

申请号：US12162202

申请日：2007-01-24

申请人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

发明人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

IPC分类号： G06F19/00 ,  F02P5/152

CPC分类号： F02P5/152 ,  F02D35/027 ,  G01L23/225 ,  Y02T10/46

摘要： An engine ECU executes a program including: determining whether or not a condition for stopping knocking determination is satisfied; setting a flag of stopping correction of a determination value to “ON”; calculating a knock determination level based on the extracted magnitude value; and when the correction stop flag is not “ON”, decreasing or increasing the determination value in accordance with a knock proportion KC that is a proportion of magnitude values greater than the knock determination level. The knock determination level is calculated even when the correction stop flag is “ON”.

摘要翻译： 发动机ECU执行程序，包括：确定是否满足停止敲击确定的条件; 将确定值的停止校正的标志设置为“ON”; 基于所提取的幅度值计算爆震判定水平; 并且当校正停止标志不是“ON”时，根据比敲击判定水平大的幅度值的比例的敲击比例KC来减小或增加判定值。 即使校正停止标志为“ON”，也可以计算爆震判定水平。

公开(公告)号：US08000884B2

公开(公告)日：2011-08-16

申请号：US12096390

申请日：2006-12-08

申请人： Koji Aso ,  Kenji Kasashima ,  Rihito Kaneko ,  Masatomo Yoshihara ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

发明人： Koji Aso ,  Kenji Kasashima ,  Rihito Kaneko ,  Masatomo Yoshihara ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

IPC分类号： G06F19/00 ,  F02P5/00 ,  G06G7/70

CPC分类号： F02P5/1523 ,  G01L23/225 ,  Y02T10/46

摘要： A device and associated method for controlling ignition timing of an internal combustion engine are provided. By comparing a determination value and knock magnitude, determination of knocking is made, and ignition timing is advanced or retarded. The device includes an operation unit that sets a correction amount of the determination value to a value corresponding to a degree of change of the determination value over time. The operation unit calculates, at a first timing, a first value related to an average value of the determination values; and calculates, at a second timing later than the first timing, a second value related to the average value of the determination values. The degree of change of the determination value is calculated as a difference between the first value and the second value.

摘要翻译： 提供了一种用于控制内燃机的点火正时的装置和相关方法。 通过比较确定值和爆震震级，进行爆震判定，点火正时提前或延迟。 该装置包括操作单元，该操作单元将确定值的校正量设置为与随时间的确定值的变化程度相对应的值。 操作单元在第一定时计算与所述确定值的平均值相关的第一值; 并且在比所述第一定时晚的第二定时计算与所述确定值的平均值相关的第二值。 将判定值的变化程度计算为第一值与第二值之差。

公开(公告)号：US20070012090A1

公开(公告)日：2007-01-18

申请号：US11475993

申请日：2006-06-28

申请人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Kiyoshi Iwade ,  Shuhei Oe

发明人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Kiyoshi Iwade ,  Shuhei Oe

IPC分类号： G01L23/22 ,  G01M15/12

CPC分类号： G01L23/225

摘要： An engine ECU includes a bandpass filter (1) extracting only vibrations at a first frequency band A, a bandpass filter (2) extracting only vibrations at a second frequency band B, a bandpass filter (3) extracting only vibrations at a third frequency band C, and a bandpass filter (4) extracting only vibrations at a fourth frequency band D including the first to third frequency bands A-C. The engine ECU determines whether knocking occurred or not based on a vibration waveform of the fourth frequency band D and a peak value in magnitude of vibrations in a synthesized waveform of the first to third frequency bands.

摘要翻译： 发动机ECU包括仅抽取第一频带A的振动的带通滤波器（1），仅抽取第二频带B的振动的带通滤波器（2），仅提取第三频带的振动的带通滤波器（3） C和带通滤波器（4）仅提取包括第一至第三频带AC的第四频带D的振动。 发动机ECU基于第四频带D的振动波形和第一至第三频带的合成波形中的振动幅度的峰值来确定是否发生敲击。

公开(公告)号：US07669459B2

公开(公告)日：2010-03-02

申请号：US11475993

申请日：2006-06-28

申请人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Kiyoshi Iwade ,  Shuhei Oe

发明人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Kiyoshi Iwade ,  Shuhei Oe

IPC分类号： G01L23/22

CPC分类号： G01L23/225

摘要： An engine ECU includes a bandpass filter (1) extracting only vibrations at a first frequency band A, a bandpass filter (2) extracting only vibrations at a second frequency band B, a bandpass filter (3) extracting only vibrations at a third frequency band C, and a bandpass filter (4) extracting only vibrations at a fourth frequency band D including the first to third frequency bands A-C. The engine ECU determines whether knocking occurred or not based on a vibration waveform of the fourth frequency band D and a peak value in magnitude of vibrations in a synthesized waveform of the first to third frequency bands.

摘要翻译： 发动机ECU包括仅抽取第一频带A的振动的带通滤波器（1），仅抽取第二频带B的振动的带通滤波器（2），仅提取第三频带的振动的带通滤波器（3） C和带通滤波器（4）仅提取包括第一至第三频带AC的第四频带D的振动。 发动机ECU基于第四频带D的振动波形和第一至第三频带的合成波形中的振动幅度的峰值来确定是否发生敲击。

公开(公告)号：US20090165746A1

公开(公告)日：2009-07-02

申请号：US12096390

申请日：2006-12-08

申请人： Koji Aso ,  Kenji Kasashima ,  Rihito Kaneko ,  Masatomo Yoshihara ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

发明人： Koji Aso ,  Kenji Kasashima ,  Rihito Kaneko ,  Masatomo Yoshihara ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe

IPC分类号： F02P5/00

CPC分类号： F02P5/1523 ,  G01L23/225 ,  Y02T10/46

摘要： An engine ECU executes a program including: a step (S310) of multiplying a correction amount of a determination value V(KX) by Q, when deviation L between an approximation value V(R), which is an average value of determination values V(KX) corrected according to the occurrence frequency of knocking, and an approximation value V(R−1) previously calculated is greater than a predetermined value (NO in S306) or when the number of times where deviation L is determined to be smaller than a predetermined value is smaller than a predetermined number of times (NO in S308); and a step (S312) of multiplying the correction amount of the determination value V(KX) by 1/P, when the number of times where the deviation L is determined to be smaller than a predetermined value is greater than a predetermined number of times (YES in S308). By comparing the determination value V(KX) and knock magnitude, determination of knocking is made, and ignition timing is advanced or retarded.

摘要翻译： 发动机ECU执行程序，包括：步骤（S310），当作为确定值V（KX）的校正量V（KX）的平均值V的近似值V（R） （KX），并且预先计算的近似值V（R-1）大于预定值（S306中为“否”），或者当偏差L被确定为小于 预定值小于预定次数（S308中为“否”）。 以及当确定偏差L小于预定值的次数时，将确定值V（KX）的校正量乘以1 / P的步骤（S312）大于预定次数 （S308中为“是”）。 通过比较判定值V（KX）和爆震振幅，进行敲击判定，点火正时进行或延迟。

公开(公告)号：US20060236753A1

公开(公告)日：2006-10-26

申请号：US11409079

申请日：2006-04-24

申请人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Kiyoshi Iwade ,  Shuhei Oe

发明人： Masatomo Yoshihara ,  Kenji Kasashima ,  Rihito Kaneko ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Kiyoshi Iwade ,  Shuhei Oe

IPC分类号： G01L23/22 ,  G06G7/70 ,  G01M15/00

CPC分类号： G01L23/225

摘要： A knock waveform model (thick line) is prepared by correcting a line (thin line) representing an average value of a vibration waveform measured in advance to have more moderate inclination. The knocking determination device determines whether knocking occurred in an engine or not, based on a result of comparison between the knock waveform model and a waveform detected by a knock sensor.

摘要翻译： 通过将表示预先测量的振动波形的平均值的线（细线）校正为具有更适度的倾斜度来准备爆震波形模型（粗线）。 爆震判定装置基于爆震波形模型与爆震传感器检测到的波形的比较结果，判定发动机是否发生爆震。

公开(公告)号：US07779673B2

公开(公告)日：2010-08-24

申请号：US11993671

申请日：2006-12-27

申请人： Rihito Kaneko ,  Kenji Kasashima ,  Masatomo Yoshihara ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe ,  Kiyoshi Iwade

发明人： Rihito Kaneko ,  Kenji Kasashima ,  Masatomo Yoshihara ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe ,  Kiyoshi Iwade

IPC分类号： G01M15/12

CPC分类号： G01L23/225

摘要： An engine ECU executes a program including the steps of: calculating an absolute value ΔS(I) of the deviation of the vibration waveform detected by a knock sensor and a knock waveform model from each other at each crank angle; when ΔS(I) greater than threshold value ΔS(0) is present and the number of ΔS(I) greater than threshold value ΔS(0) is equal to or smaller than Q(1), correcting the vibration waveform; calculating a correlation coefficient K which is a value related to the deviation of the corrected vibration waveform and the knock waveform model from each other; and when the number of ΔS(I) greater than threshold value ΔS(0) is greater than predetermined number Q(1), calculating the correlation coefficient K without correcting the vibration waveform. Based on the correlation coefficient K, whether knocking is present or absent is determined.

摘要翻译： 发动机ECU执行程序，包括以下步骤：计算在每个曲柄角处由爆震传感器检测的振动波形和爆震波形模型的偏差的绝对值＆Dgr; S（I）; 当存在大于阈值＆Dgr; S（0）的＆Dgr; S（I）时，大于阈值Dgr; S（0）的Dgr; S（I）的数量等于或小于Q（1） 校正振动波形; 计算与校正振动波形和爆震波形模型的偏差相关的值的相关系数K; 并且当大于阈值＆Dgr; S（0）的＆Dgr; S（I）的数量大于预定数量Q（1）时，计算相关系数K而不校正振动波形。 基于相关系数K，确定是否存在敲击。

公开(公告)号：US20100162794A1

公开(公告)日：2010-07-01

申请号：US11993671

申请日：2006-12-27

申请人： Rihito Kaneko ,  Kenji Kasashima ,  Masatomo Yoshihara ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe ,  Kiyoshi Iwade

发明人： Rihito Kaneko ,  Kenji Kasashima ,  Masatomo Yoshihara ,  Koji Aso ,  Kenji Senda ,  Yuichi Takemura ,  Shuhei Oe ,  Kiyoshi Iwade

IPC分类号： G01L23/22

CPC分类号： G01L23/225

摘要： An engine ECU executes a program including the steps of: calculating an absolute value ΔS(I) of the deviation of the vibration waveform detected by a knock sensor and a knock waveform model from each other at each crank angle; when ΔS(I) greater than threshold value ΔS(0) is present and the number of ΔS(I) greater than threshold value ΔS(0) is equal to or smaller than Q(1), correcting the vibration waveform; calculating a correlation coefficient K which is a value related to the deviation of the corrected vibration waveform and the knock waveform model from each other; and when the number of ΔS(I) greater than threshold value ΔS(0) is greater than predetermined number Q(1), calculating the correlation coefficient K without correcting the vibration waveform. Based on the correlation coefficient K, whether knocking is present or absent is determined.

摘要翻译： 发动机ECU执行程序，包括以下步骤：计算在每个曲柄角处由爆震传感器检测的振动波形和爆震波形模型的偏差的绝对值＆Dgr; S（I）; 当存在大于阈值Dgr; S（0）的＆Dgr; S（I）时，大于阈值Dgr; S（0）的Dgr; S（I）的数量等于或小于Q（1） 校正振动波形; 计算与校正振动波形和爆震波形模型的偏差相关的值的相关系数K; 并且当大于阈值＆Dgr; S（0）的＆Dgr; S（I）的数量大于预定数量Q（1）时，计算相关系数K而不校正振动波形。 基于相关系数K，确定是否存在敲击。