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1. 发明专利

JP2006307709A Knocking determining device of internal combustion engine 有权
标题翻译：内燃机起动确定装置
公开(公告)号：JP2006307709A
公开(公告)日：2006-11-09
申请号：JP2005130025
申请日：2005-04-27
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： ASO KOJI , KASASHIMA KENJI , KANEKO MASATO , YOSHIHARA MASATOMO , SENDA KENJI , KAMIO SHIGERU , IWADE JUN , OE SHUHEI
IPC分类号： F02D45/00 , G01H17/00
摘要： PROBLEM TO BE SOLVED: To accurately determine whether knocking is generated.
SOLUTION: An engine ECU executes a program including steps of: (S107) estimating noise generating time; (S108) subtracting a noise waveform model from a normalized vibration waveform on the basis of the estimated noise generating time; (S116) calculating knock strength N on the basis of a result of comparing the subtracted vibration waveform with the knock waveform model when there is no angle of becoming smaller than zero in an integral value in a subtracted waveform (NO in S110); (S120) determining that the knocking is generated when the knock strength N is larger than a predetermined determining value (YES in S118); and (S124) determining that the knocking is not generated when the knock strength N is not larger than the predetermined determining value (NO in S118).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：准确地确定是否产生了敲击。解决方案：发动机ECU执行包括以下步骤的程序：（S107）估计噪声产生时间; （S108）基于估计的噪声生成时间从归一化振动波形中减去噪声波形模型; （S116），在减法波形的积分值（S110中为否）的情况下，基于比较减法振动波形与爆震波形模型的结果，计算爆震强度N; （S120），判定当爆震强度N大于预定的确定值时产生爆震（S118中为“是”）。和（S124），当爆震强度N不大于预定确定值（S118中为“否”）时，确定不产生爆震。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006307669A Knocking determining device of internal combustion engine 有权
标题翻译：内燃机起动确定装置
公开(公告)号：JP2006307669A
公开(公告)日：2006-11-09
申请号：JP2005128114
申请日：2005-04-26
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： OE SHUHEI , IWADE JUN , OHARA YASUSHI , KANEKO MASATO , KASASHIMA KENJI , TAKEMURA YUICHI , KAMIO SHIGERU
IPC分类号： F02D45/00 , G01H17/00
CPC分类号： G01L23/221 , G01M15/12
摘要： PROBLEM TO BE SOLVED: To accurately determine whether or not knocking is generated.
SOLUTION: An engine ECU executes a program including a step (S108) of setting a knock waveform model corresponding to an engine speed of an engine detected by a crank position sensor, a step (S112) of calculating knock strength N on the basis of a result of comparing a detected waveform with the preset knock waveform model, a step (S116) of determining that the knocking is generated when the knock strength N is larger than a predetermined determining value (YES in S114), and a step (S120) of determining that the knocking is not generated when the knock strength N is not larger than the predetermined determining value (NO in S114).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：准确地确定是否产生了敲击。解决方案：发动机ECU执行程序，该程序包括设置与由曲柄位置传感器检测的发动机的发动机转速相对应的爆震波形模型的步骤（S108），计算爆震强度N的步骤（S112）将检测到的波形与预设爆震波形模型进行比较的结果的基础，当爆震强度N大于预定确定值时确定爆震产生的步骤（S116）（步骤S114中为“是”）， S120）当爆震强度N不大于预定确定值（S114中为“否”）时确定不产生爆震。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006307663A Knocking determining device of internal combustion engine 有权
标题翻译：内燃机起动确定装置
公开(公告)号：JP2006307663A
公开(公告)日：2006-11-09
申请号：JP2005127880
申请日：2005-04-26
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： YOSHIHARA MASATOMO , KASASHIMA KENJI , KANEKO MASATO , ASO KOJI , SENDA KENJI , TAKEMURA YUICHI , IWADE JUN , OE SHUHEI
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To accurately determine whether or not knocking is generated.
SOLUTION: An engine ECU executes a program including a step (S110) of correcting a waveform by an average value of the damping ratio of a detected waveform by determining that a noise is superimposed (YES in S108) when vibration strength of the detected waveform is not continuously reduced, a step (S114) of calculating knock strength N on the basis of a result of comparing a corrected waveform with a calculated knock waveform model, a step (S118) of determining that the knocking is generated when the knock strength N is larger than a predetermined determining value (YES in S116), and a step (S122) of determining that the knocking is not generated when the knock strength N is not larger than the predetermined determining value (NO in S116).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：准确地确定是否产生了敲击。解决方案：发动机ECU执行包括步骤（S110）的程序，该步骤（S110）通过确定叠加噪声（S108中的“是”）来校正波形的检测波形的阻尼比的平均值，当振动强度为检测波形不会持续减少，根据将校正后的波形与计算出的爆震波形模型进行比较的结果来计算爆震强度N的步骤（S114），判定当敲击时产生爆震的步骤（S118）强度N大于预定确定值（S116中为“是”），以及当爆震强度N不大于预定确定值时确定不产生爆震的步骤（S122）（S116中“否”）。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2010019114A Ignition timing control device for internal combustion engine 有权
标题翻译：用于内燃机的点火时序控制装置
公开(公告)号：JP2010019114A
公开(公告)日：2010-01-28
申请号：JP2008178640
申请日：2008-07-09
申请人： Denso Corp , Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： OE SHUHEI , IWADE JUN , OHARA YASUSHI , KANEKO MASATO , MASUDA SATORU
IPC分类号： F02P5/152 , F02D45/00 , F02P5/153
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To reduce frequency of occurrence of knocking and frequency of unnecessary drop of output torque. SOLUTION: Base ignition timing is set according to load and engine speed NE. Ignition timing is controlled at intervals Nint to be retarded from base ignition timing. At least one of the interval Nint for retarding ignition timing and retarded angle quantity Qrtd of ignition timing are changed according to at least one of engine speed NE and engine load. When MBT is set to the base ignition timing, control for retarding ignition timing intermittently with the interval Nint is interrupted. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：减少爆震发生的频率和不必要的输出转矩下降的频率。
解决方案：根据负载和发动机转速NE设定基准点火正时。点火正时以间隔Nint进行控制，从基点点火正时延迟。根据发动机转速NE和发动机负荷中的至少一个改变点火正时的点火正时延迟角度和延迟角量Qrtd的间隔Nint中的至少一个。当MBT设定为基准点火正时时，以间隔Nint间歇地延迟点火时间的控制被中断。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2007198317A Ignition timing control device for internal combustion engine 有权
标题翻译：用于内燃机的点火时序控制装置
公开(公告)号：JP2007198317A
公开(公告)日：2007-08-09
申请号：JP2006019631
申请日：2006-01-27
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： KANEKO MASATO , KASASHIMA KENJI , YOSHIHARA MASATOMO , ASO KOJI , SENDA KENJI , TAKEMURA YUICHI , OE SHUHEI , IWADE JUN
IPC分类号： F02P5/152 , F02D45/00 , F02P5/153
CPC分类号： F02P5/152 , G01L23/225 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To properly control ignition timing while suppressing the deterioration of knocking determining accuracy when there is a great difference between a determination value for determining the presence/absence of knocking and the strength of vibration actually generated in an engine. SOLUTION: An engine ECU implements a program which includes a step (S304) of setting a value which is obtained by adding a product of standard deviation σ and a coefficient U(3) to a maximum value V(MAX) for a strength value LOG(V), as the determination value V(KX), when an absolute value for a difference between the determination value V(KX) used for determining the presence/absence of knocking and the maximum value V(MAX) for the strength value LOG(V) which is obtained by converting strength V detected on the basis a signal transmitted from a knock sensor into a logarithm is greater than the product of the standard deviation σ and the coefficient U(3) in frequency distribution of the strength LOG(V) in N-cycles. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：当确定爆震的存在/不存在的确定值与在发动机中实际产生的振动的强度之间存在很大的差异时，能够适当地控制点火正时，同时抑制爆震确定精度的劣化。解决方案：发动机ECU执行程序，该程序包括将通过将标准偏差σ和系数U（3）的乘积加到最大值V（MAX）而得到的值的步骤（S304）强度值LOG（V）作为确定值V（KX），当用于确定有无敲打的确定值V（KX）与用于确定爆震的存在/不存在的最大值V（MAX）之间的差的绝对值通过将从爆震传感器发送的信号检测出的强度V转换成对数而获得的强度值LOG（V）大于标准偏差σ与系数U（3）在强度频率分布中的乘积 LOG（V）在N个循环中。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006307665A Knocking determining device of internal combustion engine 审中-公开
标题翻译：内燃机起动确定装置
公开(公告)号：JP2006307665A
公开(公告)日：2006-11-09
申请号：JP2005127889
申请日：2005-04-26
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： YOSHIHARA MASATOMO , KASASHIMA KENJI , KANEKO MASATO , ASO KOJI , SENDA KENJI , TAKEMURA YUICHI , IWADE JUN , OE SHUHEI
IPC分类号： F02D45/00 , G01H17/00
摘要： PROBLEM TO BE SOLVED: To accurately determine whether or not knocking is generated.
SOLUTION: An engine ECU executes a program including a step (S108) of correcting a waveform detected as a waveform of vibration caused by the knocking, a step (S110) of calculating a knock waveform model stored in a memory as the waveform of the vibration caused by the knocking, a step (S114) of calculating knock strength N on the basis of a result of comparing the corrected waveform with the calculated knock waveform model, a step (S118) of determining that the knocking is generated when the knock strength N is larger than a predetermined determining value (YES in S116), and a step (S122) of determining that the knocking is not generated when the knock strength N is not larger than the predetermined determining value (NO in S116).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：准确地确定是否产生了敲击。解决方案：发动机ECU执行包括校正由爆震引起的振动波形检测的波形的步骤（S108）的程序，计算存储在存储器中的爆震波形模型的步骤（S110）作为波形由步骤（S114），根据将校正后的波形与计算出的爆震波形模型进行比较的结果来计算爆震强度N;步骤（S118），判定当发生爆震时产生爆震的步骤爆震强度N大于预定确定值（S116中为“是”），以及当爆震强度N不大于预定确定值（S116为否）时确定不产生爆震的步骤（S122）。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006300034A Knocking determining device of internal combustion engine 有权
标题翻译：内燃机起动确定装置
公开(公告)号：JP2006300034A
公开(公告)日：2006-11-02
申请号：JP2005126877
申请日：2005-04-25
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： YOSHIHARA MASATOMO , KASASHIMA KENJI , KANEKO MASATO , ASO KOJI , SENDA KENJI , TAKEMURA YUICHI , IWADE JUN , OE SHUHEI
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To accurately determine whether or not knocking is caused.
SOLUTION: A knock waveform model (a broken line) is measured in an operation state of not superimposing vibration generated by operation of an auxiliary machine arranged in an engine on vibration generated by the knocking, between a predetermined crank angle up to 90 degrees from the top dead center corresponding to a knock detecting gate.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：准确地确定是否引起爆震。
解决方案：在不将叠加在发动机中的辅助机械的操作产生的振动产生的振动产生的振动产生的振动在预定的曲柄角度高达90°之间的操作状态下测量爆震波形模型（虚线）对应于爆震检测门的上止点的度数。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006177319A Knocking determining device for internal combustion engine 有权
标题翻译：用于内燃机的闭锁确定装置
公开(公告)号：JP2006177319A
公开(公告)日：2006-07-06
申请号：JP2004373948
申请日：2004-12-24
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： KANEKO MASATO , KASASHIMA KENJI , YOSHIHARA MASATOMO , SENDA KENJI , OHARA YASUSHI , IWADE JUN , OE SHUHEI , TAKEMURA YUICHI , KAMIO SHIGERU
IPC分类号： F02D45/00 , G01H17/00 , G01M15/00 , G01M15/05 , G01M15/06 , G01M15/12
CPC分类号： G01L23/225
摘要： PROBLEM TO BE SOLVED: To accurately determine whether knocking has occurred.
SOLUTION: An engine ECU executes a program including steps of computing knocking strength N (S108) based on a result of comparing the waveform detected as the waveform of vibration caused by knocking, with a knocking waveform model stored in a memory as the waveform of vibration caused by knocking, at a crank angle excluding a crank angle at which the strength of vibration not caused by knocking is larger than the predetermined strength, determining that knocking has occurred (S112) when the knocking strength N is larger than a predetermined decision value (Yes in S110), and determining that knocking has not occurred (S116) when the knocking strength N is not larger than the predetermined decision value (No in S110).
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：准确地确定是否发生了敲击。解决方案：发动机ECU执行包括以下步骤的程序：基于将作为由敲击引起的振动波形检测到的波形与存储在存储器中的爆震波形模型进行比较的结果，计算爆震强度N（S108），作为在不包括爆震引起的振动强度大于预定强度的曲柄角的曲轴角度下，当爆震强度N大于预定强度时，确定发生了爆震（S112）决定值（S110中为是），并且当爆震强度N不大于预定判定值（S110中为否）时，确定没有发生爆震（S116）。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2007009814A Knocking determining device for internal combustion engine 有权
标题翻译：用于内燃机的闭锁确定装置
公开(公告)号：JP2007009814A
公开(公告)日：2007-01-18
申请号：JP2005192043
申请日：2005-06-30
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： YOSHIHARA MASATOMO , KASASHIMA KENJI , KANEKO MASATO , ASO KOJI , SENDA KENJI , TAKEMURA YUICHI , IWADE JUN , OE SHUHEI
IPC分类号： F02D45/00 , G01H17/00
CPC分类号： G01L23/225
摘要： PROBLEM TO BE SOLVED: To detect vibration resulting from knocking by suppressing noise, and distinguish a vibration waveform resulting from knocking from a vibration waveform resulting from noise by a vibration waveform in which the vibration resulting from noise may be taken.
SOLUTION: An engine ECU 200 comprises a band pass filter (1) 410 extracting only the vibration of a first frequency band A, a band pass filter (2) 420 extracting only the vibration of a second frequency band B, a band pass filter (3) 430 extracting only the vibration of a third frequency band C, and a band pass filter (4) 440 extracting only the vibration of a fourth frequency band D including the first to third frequency bands. The engine ECU 200 determines whether knocking occurs or not based on the peak values of the intensity of vibration in the vibration waveform of the fourth frequency band D and the synthetic waveform of the first to third frequency bands.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过抑制噪声来检测爆震产生的振动，并将由噪声引起的振动波形的振动波形与噪声引起的振动的振动波形区分开来。解决方案：发动机ECU200包括仅提取第一频带A的振动的带通滤波器（1）410，仅提取第二频带B的振动的带通滤波器（2）420，带仅提取第三频带C的振动的带通滤波器（3）430，以及仅提取包括第一至第三频带的第四频带D的振动的带通滤波器（4）440。发动机ECU200基于第四频带D的振动波形中的振动强度的峰值和第一至第三频带的合成波形来确定是否发生爆震。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2007009739A Knocking state judging device 有权
标题翻译：锁定状态判断设备
公开(公告)号：JP2007009739A
公开(公告)日：2007-01-18
申请号：JP2005188618
申请日：2005-06-28
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： IWADE JUN , MURATE NOBUYUKI , OE SHUHEI , KANEKO MASATO , KASASHIMA KENJI , TAKEMURA YUICHI
IPC分类号： F02D45/00
CPC分类号： G01L23/225
摘要： PROBLEM TO BE SOLVED: To judge the frequency of knocking with high accuracy.
SOLUTION: An engine ECU executes a program including a step (S100) of calculating an intensity value LOG (V) based on a signal transmitted from a knock sensor, a step (S106) of deciding a maximum value V(MAX) in a frequency distribution of the intensity values LOG(V) for N cycles (N: a natural number), a step (S110) of calculating a knock judging level V(KD) based on the frequency distribution, a step (S114) of removing the V(MAX) from the frequency distribution when the knock judging level V(KD) is smaller than the maximum value V(MAX) (YES at S112), and a step (S116) of counting a grand total of frequencies of the removed maximum values V(MAX) as a knock occupancy rate KC. The maximum values V(MAX) are removed and the knock judging level V(KD) is calculated over and over until the knock judging level V(KD) agrees with the maximum value V(MAX).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：以高精度判断爆震的频率。解决方案：发动机ECU执行包括基于从爆震传感器发送的信号计算强度值LOG（V）的步骤（S100）的程序，决定最大值V（MAX）的步骤（S106）在N个周期（N：自然数）的强度值LOG（V）的频率分布中，基于频率分布来计算爆震判定电平V（KD）的步骤（S110），步骤（S114）当爆震判定电平V（KD）小于最大值V（MAX）时，从频率分布中去除V（MAX）（S112为“是”），以及步骤（S116）去除最大值V（MAX）作为敲击占有率KC。去除最大值V（MAX），一次又一次地计算爆震判定电平V（KD），直到爆震判定电平V（KD）与最大值V（MAX）一致。版权所有（C）2007，JPO＆INPIT

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