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1. 发明专利

JP2009115042A Device and method for judging knocking of internal combustion engine 有权
标题翻译：用于判断内燃机起动的装置和方法
公开(公告)号：JP2009115042A
公开(公告)日：2009-05-28
申请号：JP2007291163
申请日：2007-11-08
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 , TANAKA HIROTO , WATANABE SATOSHI , HANAI NORIHITO , YAMASAKO YASUHIRO , SENDA KENJI , MASUDA SATORU
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To accurately judge whether knocking occurs or not even if noise is detected. SOLUTION: The engine ECU is provided with a waveform detection part 504, a zone identification part 514, and a feedback correction part 700. The waveform detection part 504 detects vibration waveform of a knocking detection gate. The zone identification part 514 identifies two crank angle zones in which change quantity of intensity is larger. A waveform correction part 710 of the feedback correction part 700 corrects vibration waveform according to whether the identified two zones are spaced or adjacent if one of the two identified zones is included in a zone of first half of the knocking detection gate and another is included in a latter half. It is determined whether knocking occurs or not by using the corrected vibration waveform. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使检测到噪声，也能准确判断是否发生爆震。解决方案：发动机ECU设置有波形检测部504，区域识别部514和反馈校正部700.波形检测部504检测爆震检测门的振动波形。区域识别部514识别强度变化量较大的两个曲柄角区域。反馈校正部分700的波形校正部分710根据所识别的两个区域是间隔的还是相邻的，校正振动波形，如果两个识别区域中的一个被包括在爆震检测门的前半部分的区域中，另一个被包括在后半部分通过使用校正的振动波形确定是否发生爆震。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009024641A Knocking determination device of internal combustion engine, knocking determination method and program for executing the method with computer and recording medium for recording the program 审中-公开
标题翻译：用于内燃机的锁定确定装置，用于记录方案的计算机和记录介质执行方法的锁定确定方法和程序
公开(公告)号：JP2009024641A
公开(公告)日：2009-02-05
申请号：JP2007189832
申请日：2007-07-20
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 , HANAI NORIHITO , YAMASAKO YASUHIRO , MASUDA SATORU
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide a knocking determination device of an internal combustion engine for suppressing erroneous determination of knocking.
SOLUTION: The engine ECU executes a program including a step (S103) for calculating a coefficient Ca according to a rotation load, a step S104 for calculating respective integrated values at every five degrees by extracting strength of vibration of a plurality of frequency bands from vibration detected by a knocking sensor, multiplying strength of vibration of a frequency band A by a coefficient Ca and adding them up corresponding with strength of vibration of frequency bands B to D and crank angles, a step S116 for calculating a correlation coefficient K based on a result of comparison of a vibration waveform of a frequency band E and a knocking waveform model produced beforehand, a step S118 for calculating a knocking strength N, a step S122 for determining occurrence of knocking according to the calculated correlation coefficient K and the knocking strength N and a step S126 for determining that knocking has not occurred according to the calculated correlation coefficient K and the knock strength N.
COPYRIGHT: (C)2009,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爆震判定装置。解决方案：发动机ECU执行包括用于根据旋转负载计算系数Ca的步骤（S103）的程序，用于通过提取多个频率的振动强度来计算每五度的各个积分值的步骤S104 通过爆震传感器检测到的振动的频带，将频带A的振动强度乘以系数Ca并将其相应于频带B至D的振动强度和曲柄角相加;步骤S116，用于计算相关系数K 基于频带E的振动波形与预先产生的爆震波形模型的比较结果，计算爆震强度N的步骤S118，根据计算出的相关系数K确定爆震发生的步骤S122，敲击强度N和根据计算的相关系数K和t确定没有发生爆震的步骤S126 他敲击力量N.版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009002313A Device and method for determining knocking in internal combustion engine, program realizing the method with computer, and recording medium recording the program 审中-公开
标题翻译：用于确定内燃机中的锁定的装置和方法，程序实现方法与计算机，并记录介质记录程序
公开(公告)号：JP2009002313A
公开(公告)日：2009-01-08
申请号：JP2007166732
申请日：2007-06-25
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： KANEKO MASATO , KASASHIMA KENJI , YOSHIHARA MASATOMO , SENDA KENJI , HANAI NORIHITO , YAMASAKO YASUHIRO , TAKEMURA YUICHI , OE SHUHEI
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To suppress erroneous knocking determination by correcting a detected vibration waveform according to a change amount of a 15-degree integrated value in an ignition cycle and determining that knocking has occurred according to the knock strength.
SOLUTION: An engine ECU executes a program including steps of: when a 90-degree integrated value is V(50)-Aσ or less (NO at S202), inhibiting correction (S204); updating frequency distribution (S206); when the 90-degree integrated value is larger than V(50)-Aσ (YES at S202), correcting the detected vibration waveform according to the change amount of the 15-degree integrated value in an ignition cycle; and determining that knocking has occurred according to the knock strength.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过根据点火循环中的15度积分值的变化量校正检测到的振动波形来抑制错误的爆震判定，并根据爆震强度确定发生爆震。发动机ECU执行程序，包括以下步骤：当90度积分值为V（50）-Aσ或更小时（S202为“否”），禁止校正（S204）; 更新频率分布（S206）; 当90度积分值大于V（50）-Aσ（S202为“是”）时，根据点火循环中的15度积分值的变化量来校正检测到的振动波形; 并确定根据爆震强度发生了爆震。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008309095A Knocking determination device for internal combustion engine, knocking determination method, program to achieve the method in computer and recording medium recording the program 审中-公开
标题翻译：用于内燃机的闭锁确定装置，闭锁确定方法，程序实现计算机中的方法和记录程序的记录介质
公开(公告)号：JP2008309095A
公开(公告)日：2008-12-25
申请号：JP2007159080
申请日：2007-06-15
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： KANEKO MASATO , TANAKA HIROTO , YOSHIHARA MASATOMO , SENDA KENJI , HANAI NORIHITO , YAMASAKO YASUHIRO , MASUDA SATORU
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To accurately determine whether or not knocking occurs.
SOLUTION: An engine ECU executes a program including a step (S200) of calculating a sum of the number (1) of intensities of detected waveforms larger than a threshold value at a crank angle in which the threshold value obtained by adding a reference value to a value obtained by duplicating a difference between the intensity of a knock waveform model and a reference value becomes larger than a preset value and the number (2) of intensities of detected waveforms larger than the preset value at a crank angle in which the threshold value becomes the preset value or lower; a step (S204) of correcting vibration waveforms when the sum of the number (1) and the number (2) is larger than zero and is a preset number or lower (Yes in S202); a step (S206) of calculating a correlation coefficient K based on the corrected vibration waveforms; and steps (S116, S120) of determining whether or not knocking occurs based on the calculated correlation coefficient K.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：准确地确定爆震是否发生。解决方案：发动机ECU执行程序，该程序包括步骤（S200），该步骤（S200）计算在曲柄角度大于阈值的检测波形的强度数（1）的和，其中通过将参考值与通过复制爆震波形模型的强度和参考值之间的差异而获得的值变得大于预设值，并且检测波形的强度的数量（2）大于曲轴角度处的预设值，其中阈值变为预设值或更低; 当数量（1）和数量（2）的和大于零并且是预设数量或更低（S202中为是）时校正振动波形的步骤（S204）; 基于校正的振动波形计算相关系数K的步骤（S206）; 以及基于所计算的相关系数K来确定是否发生爆震的步骤（S116，S120）。（C）2009，JPO＆INPIT

5. 发明专利

JP2007211770A 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：JP2007211770A
公开(公告)日：2007-08-23
申请号：JP2006296271
申请日：2006-10-31
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 , HANAI NORIHITO , YAMASAKO YASUHIRO , TAKEMURA YUICHI , OE SHUHEI
IPC分类号： F02P5/152 , F02D45/00 , F02P5/153
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To increase reliability of a criterion V(KX) corrected according to the frequency of occurrence of knocking and appropriately control ignition timing even in a region corresponding to operation conditions under which an engine is rarely operated. SOLUTION: An engine ECU executes a program including a step S400 storing a criterion V(KX) in a normal operation range in SRAN 204 when the criterion V(KX) in the normal operation range in which the engine is relatively often operated (Yes in S300), and a step S502 establishing the criterion V(KX) in the region out of the normal operation range to keep the criterion V(KX) in the normal operation range in a range of V(KX)±X (X is a positive number) when the criterion V(KX) in the normal operation range is stored in SRAM 204 (Yes in S500). A constant value V(KX) and knocking intensity N are compared to retard or advance ignition timing. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提高根据爆震发生频率校正的标准V（KX）的可靠性，并且即使在与发动机很少操作的操作条件相对应的区域中也适当地控制点火正时。解决方案：当发动机相对经常操作的正常操作范围内的标准V（KX）时，发动机ECU执行包括在SRAN204的正常操作范围中存储标准V（KX）的步骤S400的程序（S300中为是），以及在正常工作范围内的区域中建立标准V（KX）的步骤S502，以将标准V（KX）保持在正常工作范围内的V（KX）±X（当正常工作范围内的标准V（KX）存储在SRAM 204中时（X00为正数）（S500为“是”）。将恒定值V（KX）和爆震强度N与延迟或提前点火正时进行比较。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2009019547A 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：JP2009019547A
公开(公告)日：2009-01-29
申请号：JP2007182076
申请日：2007-07-11
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 , HANAI NORIHITO , YAMASAKO YASUHIRO
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To accurately determine whether knocking is caused or not by using a threshold value corresponding to engine vibration of an internal combustion engine. SOLUTION: An engine ECU executes a program including a step (S104) of detecting a vibration waveform of an engine, a step (S106) of calculating knock strength N corresponding to strength of the vibration waveform, and a step (S110) of calculating a correlation coefficient K(1) on a difference between a shape of a knock waveform model and a shape of the vibration waveform when the knock strength N is the threshold value NTR(1) or more (YES in S108). When the correlation coefficient K(1) is a threshold value K(2) or more, it is determined that the knocking is caused. When the knock strength N is smaller than the threshold value NTR(1) or when the correlation coefficient K(1) is smaller than the threshold value K(2), the vibration waveform is corrected so as to reduce a variation in the strength. The threshold value NTR(1) is set by using the strength of the corrected vibration waveform. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过使用对应于内燃机的发动机振动的阈值来准确地确定是否产生爆震。发动机ECU执行包括检测发动机的振动波形的步骤（S104）的程序，计算与振动波形的强度对应的爆震强度N的步骤（S106），以及步骤（S110）计算爆震波形模型的形状与爆震强度N为阈值NTR（1）以上时的振动波形的形状的差的相关系数K（1）（S108中的“是”）。当相关系数K（1）为阈值K（2）以上时，判断为产生爆震。当敲击强度N小于阈值NTR（1）时，或当相关系数K（1）小于阈值K（2）时，校正振动波形以减小强度的变化。通过使用校正振动波形的强度来设定阈值NTR（1）。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008088917A Knocking judgement device for internal combustion engine, knocking judgement method, program realizing the method, and recording medium recording the program 有权
标题翻译：用于内燃机的闭锁判断装置，锁定判断方法，实现方法的程序和记录程序的记录介质
公开(公告)号：JP2008088917A
公开(公告)日：2008-04-17
申请号：JP2006272036
申请日：2006-10-03
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 , HANAI NORIHITO , YAMASAKO YASUHIRO , TAKEMURA YUICHI , OE SHUHEI
IPC分类号： F02D45/00
CPC分类号： G01L23/225 , F02D2041/1432 , F02D2041/1433 , F02P5/152 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To quickly and accurately correct a judgement value used for judging the existence of knocking. SOLUTION: An engine ECU executes a program including the steps of: when, out of knocking intensities N for a plurality of ignition cycles continuing for a predetermined number of times, the number of the knocking intensities N of a judgement value V(J) or more is a threshold value B(1) ore more (YES at S220), increasing the judgement value V(J) just by a correction amount A(3) (S222); and when, out of the knocking intensities N of the plurality of ignition cycles satisfying the condition that a correlation coefficient K calculated by a comparing a waveform of vibration and a knocking waveform model is a threshold value K(1) or more out of the knocking intensities N of the plurality of ignition cycles continuing for a predetermined number of times (YES at S230), increasing the judgement value V(J) by just a correction amount A(5) (S232). COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：快速准确地校正用于判断爆震的存在的判断值。发动机ECU执行程序，包括以下步骤：当在多个点火循环中连续预定次数的敲击强度N之后，判断值V的敲击强度N的数量（ J）以上是阈值B（1）以上（S220中为“是”），将判定值V（J）增加校正量A（3）（S222）; 并且当在多个点火循环中的爆震强度N中，当满足通过比较振动波形和敲击波形模型计算出的相关系数K为敲门声的阈值K（1）以上的条件时，多个点火循环中的强度N持续预定次数（S230中为“是”），仅将校正量A（5）增加到判定值V（J）（S232）。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2009144616A Internal combustion engine ignition timing control device and method 审中-公开
标题翻译：内燃发动机点火时序控制装置及方法
公开(公告)号：JP2009144616A
公开(公告)日：2009-07-02
申请号：JP2007323562
申请日：2007-12-14
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 , TANAKA HIROTO , WATANABE SATOSHI , HANAI NORIHITO , SENDA KENJI , MASUDA SATORU
IPC分类号： F02D45/00 , F02P5/152 , F02P5/153
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To determine precisely ignition timing in an operational state that a BGL is liable to fluctuate. SOLUTION: An engine ECU is equipped with an intensity detector 602, a calculator 610, a determination unit 612, an ignition timing controller 614 and a determination value setting unit 700. The intensity detector 602 detects vibration intensity. The calculator 610 calculates knocking intensity N depending on the vibration intensity. The determination unit 612 determines that a knocking phenomenon has occurred when the knocking intensity N is equal to or higher than a determination value VJ. The ignition timing controller 614 delays an angle of ignition timing when it has been determined that the knocking phenomenon has occurred. The determination value setting unit 700 includes a correction unit 706 and a stop unit 708. The correction unit 706 corrects the determination value VJ depending on a frequency of the occurrence of a 90 degrees integrated value lpkknk larger than a knocking determination level VKD. The stop unit 708 stops the correction of the determination value VJ in a region where an engine revolution speed NE is smaller than a threshold NE (4). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：在BGL易于波动的操作状态下精确地确定点火正时。解决方案：发动机ECU配备有强度检测器602，计算器610，确定单元612，点火正时控制器614和判定值设定单元700.强度检测器602检测振动强度。计算器610根据振动强度计算爆震强度N. 确定单元612确定当爆震强度N等于或高于确定值VJ时发生爆震现象。当确定已经发生爆震现象时，点火正时控制器614延迟点火正时的角度。确定值设定单元700包括校正单元706和停止单元708.校正单元706根据大于敲击判定水平VKD的90度积分值lpkknk的发生频率来校正确定值VJ。停止单元708停止在发动机转速NE小于阈值NE（4）的区域中的判定值VJ的校正。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2009138625A Ignition timing control method and ignition timing control device for internal combustion engine 有权
标题翻译：点火时间控制方法和点火时间控制装置内燃机
公开(公告)号：JP2009138625A
公开(公告)日：2009-06-25
申请号：JP2007315887
申请日：2007-12-06
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 , TANAKA HIROTO , WATANABE SATOSHI , HANAI NORIHITO , YAMASAKO YASUHIRO , SENDA KENJI , MASUDA SATORU
IPC分类号： F02D45/00 , F02P5/152 , F02P5/153
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To accurately determine ignition timing by correcting a decision value VJ. SOLUTION: An engine ECU includes an ignition timing setting part 500, an intensity detection part 602, a calculation part 610, a determination part 612, an ignition timing control part 614, and a decision value setting part 700. The ignition timing setting part 500 sets base ignition timing depending on an engine operation state. The intensity detection part 602 detects intensity of vibration. The calculation part 610 calculates knocking intensity N based on intensity of the vibration. The determination part 612 determines the occurrence of knocking if the knocking intensity N is not less than the decision value VJ. The ignition timing control part 614 retards ignition timing by predetermined quantity if the occurrence of knocking is determined. The decision value setting part 700 includes a third correction part 713. The third correction part 713 corrects the decision value VJ if difference between the base ignition timing and the corrected ignition timing is not greater than threshold ΔCA. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过校正判定值VJ来精确地确定点火正时。发动机ECU包括点火正时设定部件500，强度检测部件602，计算部件610，判定部件612，点火正时控制部件614和判定值设定部件700.点火正时设定部500根据发动机的运转状态设定基准点火正时。强度检测部602检测振动的强度。计算部610基于振动的强度来计算爆震强度N. 如果爆震强度N不小于判定值VJ，则确定部612确定爆震的发生。如果确定了爆震的发生，点火正时控制部分614将点火正时延迟预定量。判定值设定部分700包括第三校正部分713.如果基准点火正时和校正的点火正时之间的差不大于阈值ΔCA，则第三校正部分713校正判定值VJ。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009121408A Knocking determining device and method for internal combustion engine 有权
标题翻译：用于内燃机的锁定装置和方法
公开(公告)号：JP2009121408A
公开(公告)日：2009-06-04
申请号：JP2007298398
申请日：2007-11-16
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 , TANAKA HIROTO , WATANABE SATOSHI , HANAI NORIHITO , YAMASAKO YASUHIRO , SENDA KENJI , MASUDA SATORU
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To accurately determine the occurrence or not of knocking even when great-strength vibration steadily occurs due to factors different from knocking.
SOLUTION: An engine ECU executes a program which has a step (S210) of calculating an ignition-cycle variation of a 90° integrated value lpkknk calculated by integrating the vibration strength of an engine by a crank angle of 90°, a step (S222) of determining that knocking occurs when the variation of the 90° integrated value lpkknk is not smaller than a threshold value Δknk (YES in S212), and a step (S216) of determining that no knocking occurs when the variation of the 90° integrated value lpkknk is smaller than the threshold value Δknk (NO in S212), namely, a vibration waveform includes noises only.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使当由于不同于爆震的因素而稳定发生大强度振动时，也能准确地确定爆震的发生与否。发动机ECU执行程序，该程序具有计算通过使发动机的振动强度为90°的曲柄角积分而计算的90°积分值lpkknk的点火循环变化的步骤（S210），步骤（S222），当90°积分值lpkknk的变化不小于阈值Δknk（S212中的“是”）时，确定发生爆震的步骤（S222），以及当确定在 90°积分值lpkknk小于阈值Δknk（S212中的“否”），即振动波形仅包括噪声。版权所有（C）2009，JPO＆INPIT

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