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11. 发明专利

JP2005188297A Knocking detection device 有权
标题翻译：闭锁检测装置
公开(公告)号：JP2005188297A
公开(公告)日：2005-07-14
申请号：JP2003426928
申请日：2003-12-24
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 , MURATE NOBUYUKI , KANEKO MASATO , KASASHIMA KENJI , KAMIO SHIGERU , INOUE MASAOMI
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To correctly determine whether or not knocking occurs, even when mechanical noise is generated.
SOLUTION: The knocking detection device comprises: a knock sensor 500 detecting a signal value indicating vibration of a cylinder block of an engine 100; and a Digital Signal Processor (DSP) 900 storing a signal detected by the knock sensor 500 to make the signal correspond to a crankshaft angle, dividing the stored signal into predetermined short time intervals, performing Fast Fourier Transform (FFT) for each time interval, and determining the occurrence of the knocking if a peak frequency as a result of the FFT for each time interval is changed to a low-frequency region side according to time series.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使产生机械噪声，正确地确定是否发生爆震。爆震检测装置包括：爆震传感器500，其检测指示发动机100的气缸体的振动的信号值; 以及数字信号处理器（DSP）900，存储由爆震传感器500检测到的信号，以使信号对应于曲轴角度，将存储的信号划分成预定的短时间间隔，对每个时间间隔执行快速傅里叶变换（FFT）并且如果根据时间序列将作为每个时间间隔的FFT的结果的峰值频率改变为低频区域侧，则确定爆震的发生。版权所有（C）2005，JPO＆NCIPI

12. 发明专利

JP2010117367A Knocking determination 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：JP2010117367A
公开(公告)日：2010-05-27
申请号：JP2010031279
申请日：2010-02-16
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 , SENDA KENJI , KAMIO SHIGERU , INOUE MASAOMI , TAKEMURA YUICHI
IPC分类号： G01H17/00 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To precisely determine whether knocking generates.
SOLUTION: The engine ECU executes the program including steps of: (S104) calculating the correlation coefficient K relating to the deviation between vibration wave form and knocking wave model by comparing the vibration wave form of the engine and the knocking wave model which is previously stored at a plurality of timing; (S106) calculating the knocking intensity N based on the largest correlation coefficient K among the calculated correlation coefficients K; (S110) determining the generation of knocking if the knocking intensity N is larger than the previously determined decision value, (YES in S108); and (S114) determining the generation of knocking doesn't occur if the knocking intensity N is not larger than the previously determined decision value (NO in S108).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：精确确定是否产生爆震。解决方案：发动机ECU执行程序，包括以下步骤：（S104）通过比较发动机的振动波形和敲击波模型来计算与振动波形和爆震波模型之间的偏差相关的相关系数K，其中预先存储在多个定时; （S106）基于计算出的相关系数K中的最大相关系数K计算爆震强度N; （S110）如果爆震强度N大于先前确定的判定值，则确定爆震的产生（S108中为“是”）。如果爆震强度N不大于先前确定的判定值（S108中的“否”），则不会发生确定爆震的产生的（S114）。版权所有（C）2010，JPO＆INPIT

13. 发明专利

JP2008297923A Device and method for determining knocking in internal combustion engine and program for implementing its method on computer and recording medium having program recorded thereon 有权
标题翻译：用于确定内燃机中的锁定的装置和方法以及用于对其记录的程序的计算机和记录介质执行其方法的程序
公开(公告)号：JP2008297923A
公开(公告)日：2008-12-11
申请号：JP2007142172
申请日：2007-05-29
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 , OHARA YASUSHI , KANEKO MASATO , KASASHIMA KENJI , YOSHIHARA MASATOMO , SENDA KENJI , HANAI NORIHITO , YAMASAKO YASUHIRO , MASUDA SATORU
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To determine whether or not knocking has occurred with high accuracy.
SOLUTION: An engine ECU executes a program including the steps (S110) of: calculating a correlation coefficient Ka between vibration waveform of engine and knock waveform model in a predetermined range (1); a step (S114) calculating a correlation coefficient Kb between vibration waveform and knock waveform model in a predetermined range (2) (YES in S112), if the correlation coefficient Ka is larger than the predetermined value (1); and a step (S122, S126) determining whether or not knocking is developing based on the correlation coefficient Kb.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：确定是否以高精度发生了敲击。发动机ECU执行包括以下步骤（S110）的程序：计算发动机的振动波形和爆震波形模型在预定范围（1）中的相关系数Ka; 如果相关系数Ka大于预定值（1），则计算预定范围（2）中的振动波形和爆震波形模型之间的相关系数Kb（S112中的“是”）的步骤（S114）。以及基于相关系数Kb确定敲击是否正在发展的步骤（S122，S126）。版权所有（C）2009，JPO＆INPIT

14. 发明专利

JP2008111423A Device and method for determining knocking in internal combustion engine, program materializing method thereof, and record medium recording program thereof 有权
标题翻译：用于确定内燃机中的卡锁的装置和方法，其程序材料化方法及其记录介质记录程序
公开(公告)号：JP2008111423A
公开(公告)日：2008-05-15
申请号：JP2007125892
申请日：2007-05-10
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 , OHARA YASUSHI , MASUDA SATORU , TAKEMURA YUICHI , KANEKO MASATO , KASASHIMA KENJI , YOSHIHARA MASATOMO , SENDA KENJI , HANAI NORIHITO , YAMASAKO YASUHIRO
IPC分类号： F02D45/00
CPC分类号： G01M15/11 , F02D35/027 , F02D41/1498 , G01L23/225
摘要： PROBLEM TO BE SOLVED: To provide an internal combustion engine knocking determining device for an internal combustion inhibiting erroneous determination of knocking. SOLUTION: An engine ECU executes a program including: a step S110 which calculates a 15-degree accumulated value by accumulating the vibration intensity for each of the 6 crank angles; a step S112 which calculates a change amount of the 15-degree accumulation value at an ignition cycle; a step S114 which identifies two regions having large change amounts as compared to the others; a step S116 which identifies the crank angle of a large intensity as compared to the intensity of the adjacent crank angle in the search region defined in the same region as the identified region; a step S122 which matches the identified crank angle with the timing when the intensity becomes maximum in the knocking waveform model and calculates a correlation coefficient K based on the difference between the vibration waveform and the knocking waveform model; and a step S128 which determines knocking when the correlation coefficient K is greater than a threshold value K (0) (YES in S126). COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于抑制爆震的错误判定的内燃机的内燃机爆震判定装置。发动机ECU执行程序，其包括：步骤S110，其通过累积6个曲柄角中的每一个的振动强度来计算15度累积值; 步骤S112，其计算点火循环的15度累加值的变化量; 识别与其他区域相比具有大变化量的两个区域的步骤S114; 步骤S116，其识别与在与所识别的区域相同的区域中限定的搜索区域中的相对曲柄角的强度大的强度的曲柄角; 步骤S122，其将所识别的曲柄角与敲击波形模型中的强度变得最大的定时相匹配，并且基于振动波形和爆震波形模型之间的差计算相关系数K; 以及当相关系数K大于阈值K（0）时确定敲击的步骤S128（S126中为“是”）。版权所有（C）2008，JPO＆INPIT

15. 发明专利

JP2008069752A Method for specifying frequency 审中-公开
标题翻译：指定频率的方法
公开(公告)号：JP2008069752A
公开(公告)日：2008-03-27
申请号：JP2006251143
申请日：2006-09-15
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 , HANAI NORIHITO , OE SHUHEI
IPC分类号： F02D45/00 , G01H17/00 , G01M15/06 , G01M15/12
摘要： PROBLEM TO BE SOLVED: To accurately specify a frequency of vibration by knocking. SOLUTION: The method for specifying the frequency includes a step (S104) for calculating SN ratio (1) in a state where the noise is generated in a knocking detection gate for each of the frequencies, a step (S114) for calculating SN ratio (2) in the state where the noise is not generated in the knocking detection gate for each of the frequencies, a step (S120) for calculating a ratio between the SN ratio (1) and the SN ratio (2) by dividing the SN ratio (1) by the SN ratio (2), and a step (S140) for specifying the frequency coinciding with the reference including that the ratio between the SN ratio (1) and the SN ratio (2) is near "1" in the frequency in the center of a frequency band of the vibration extracted in order to determine the presence of knocking. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过敲击来精确指定振动频率。解决方案：用于指定频率的方法包括用于在每个频率的敲门检测门中产生噪声的状态下计算SN比（1）的步骤（S104），用于计算 SN比（2），在每个频率的爆震检测门中不产生噪声的状态下，通过划分SN比（1）和SN比（2）之间的比率来计算SN SN比（1）和SN比（2）之间的比率，以及用于指定与SN比（1）和SN比（2）之间的比率接近“1”的参考频率一致的步骤（S140） “在频率中心的频带提取振动，以确定是否存在敲击。版权所有（C）2008，JPO＆INPIT

16. 发明专利

JP2007255212A Ignition timing control device of internal combustion engine 有权
标题翻译：内燃机点火时间控制装置
公开(公告)号：JP2007255212A
公开(公告)日：2007-10-04
申请号：JP2006076971
申请日：2006-03-20
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 , TAKEMURA YUICHI , OE SHUHEI
IPC分类号： F02P5/152 , F02D45/00 , F02P5/153
CPC分类号： F02P5/152 , F02D35/027 , G01L23/225 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To properly control the ignition timing, by restraining the deterioration in determining accuracy of knocking, when a difference is large between a determining value for discriminating the existence of the knocking and strength of vibration actually generated in an engine. SOLUTION: An engine ECU executes a program including a step (S304) of setting a value of adding the product of a standard deviation σ and a factor U(3) to a medium value V(50) of a strength value LOG(V) as a determining value V(KX), when an absolute value of a difference between the medium value V(50) of a strength value LOG(V) of logarithmically converting strength V detected on the basis of a signal transmitted from a knock sensor and the determining value V(KX) used for determining the existence of the knocking, is larger than the product of the standard deviation σ and the factor U(3) in the frequency distribution of the strength LOG(V) equivalent to N cycles (YES in S302). COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了适当地控制点火正时，通过抑制确定爆震精度的劣化，当用于区分爆震的存在的确定值和在发动机中实际产生的振动的强度之间的差异大时。解决方案：发动机ECU执行程序，该程序包括将标准偏差σ和因子U（3）的乘积相加到强度值LOG的中值V（50）的值的步骤（S304）（V）作为确定值V（KX）的绝对值，当根据从A发送的信号检测到的对数转换强度V的强度值LOG（V）的介质值V（50）爆震传感器和用于确定爆震的存在的确定值V（KX）大于等于N的强度LOG（V）的频率分布中的标准偏差σ和因子U（3）的乘积循环（S302中为“是”）。版权所有（C）2008，JPO＆INPIT

17. 发明专利

JP2007198313A 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：JP2007198313A
公开(公告)日：2007-08-09
申请号：JP2006019593
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： ASO KOJI , KASASHIMA KENJI , KANEKO MASATO , YOSHIHARA MASATOMO , SENDA KENJI , TAKEMURA YUICHI , OE SHUHEI
IPC分类号： F02D45/00 , F02P5/15 , F02P5/152 , F02P5/153
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To properly control ignition timing while accurately determining the presence/absence of knocking. SOLUTION: An engine ECU implements a program which includes a step (S210) of determining whether a strength value LOG(V) of N(1)=150 cycle/min or more, e.g., is extracted or not, where N(1) is a natural number, a step (S212) of determining whether an engine speed is in a low speed region, in a medium speed region or in a high speed region when the strength value LOG(V) of N(1) cycle/min or more is extracted (YES in S210), and a step (S214) of setting a correction amount H of a determined value V(KX) to be greater when it is determined to be in the low speed region (low in S212). By comparing the determined value V(KX) with knocking strength, knocking is determined and ignition timing is advanced or delayed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：正确地控制点火正时，同时准确地确定爆震的存在/不存在。发动机ECU执行程序，该程序包括确定是否提取N（1）= 150次/分钟或更多次的强度值LOG（V）的步骤（S210），其中N （1）是自然数，步骤（S212），当N（1）的强度值LOG（V）为N（1））时，判定发动机转速是在低速区域，中速区域还是在高速区域提取周期/分钟以上（S210中为“是”），并且当确定为低速区域时将确定值V（KX）的校正量H设置为较大的步骤（S214）（低 S212）。通过将确定的值V（KX）与爆震强度进行比较，确定爆震并提前或延迟点火正时。版权所有（C）2007，JPO＆INPIT

18. 发明专利

JP2007154760A 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：JP2007154760A
公开(公告)日：2007-06-21
申请号：JP2005350891
申请日：2005-12-05
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 , OE SHUHEI
IPC分类号： F02P5/152 , F02D45/00 , F02P5/153
CPC分类号： F02P5/152 , F02D35/027 , F02D2041/1433 , G01L23/225 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To appropriately control ignition timing by accurately determining existence of knocking. SOLUTION: An engine ECU executes a program containing a step S204 for calculating a center value V(50) and a standard deviation σ based on calculated intensity value LOG(V), and a step S206 for calculating BGL subtracting product of multiplication of the standard deviation σ and a coefficient U(3) from the center value V(50). Knocking determination is performed by comparing knock intensity N calculated by subtracting BGL from the intensity value LOG(P) with a predetermined criterion V(VK). Ignition timing of an engine is controlled based on knocking determination result. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过精确地确定爆震的存在来适当地控制点火正时。解决方案：发动机ECU执行包含用于基于计算的强度值LOG（V）计算中心值V（50）和标准偏差σ的步骤S204的程序，以及用于计算乘法的BGL减乘乘法的步骤S206 的标准偏差σ和距中心值V（50）的系数U（3）。通过将通过从强度值LOG（P）中减去BGL计算的敲击强度N与预定标准V（VK）进行比较来进行敲击确定。基于爆震确定结果控制发动机的点火正时。版权所有（C）2007，JPO＆INPIT

19. 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

20. 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

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