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1. 发明专利

JP2009013895A Control device for internal combustion engine, control method, program materializing method with computer, and record medium recording program 审中-公开
标题翻译：内燃机控制装置，控制方法，计算机程序设计方法和记录介质记录程序
公开(公告)号：JP2009013895A
公开(公告)日：2009-01-22
申请号：JP2007177379
申请日：2007-07-05
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： OE SHUHEI , OHARA YASUSHI , KASASHIMA KENJI , KANEKO MASATO , 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 inhibit influence caused by wrong determination of knocking. SOLUTION: An engine ECU 200 executes a program including a step S116 determining knocking if correlation coefficient K between a waveform of vibration detected by a knock sensor and a knock waveform model is larger than K(0) and knock intensity N is larger than V(0) (S114), a step S120 retarding ignition timing if it is not during noise wrong judgment (No in S118), a step S124 retaining ignition timing if it is during noise wrong judgment (Yes in S118) and if it is not during noise avoidance advancement (No in S122), and a step S128 advancing ignition timing if it is during noise avoidance advancement (Yes in S122). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：抑制由错误的敲击确定引起的影响。解决方案：发动机ECU200执行包括步骤S116确定敲击的程序，如果由爆震波形模型检测的振动波形与爆震波形模型之间的相关系数K大于K（0），并且爆震强度N较大超过V（0）（S114）时，步骤S120如果不是在噪声错误判断期间延迟点火定时（S118中为否），则在噪声错误判断期间保持点火正时的步骤S124（S118中为是）（S122中为“否”），步骤S128如果在避免噪声提前期间推进点火正时（S122中为“是”）。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008297906A Device and method for determining knocking in internal combustion engine, program for materializing method thereof, and record medium for recording program thereof 审中-公开
标题翻译：用于确定内燃机中的卡锁的装置和方法，用于材料化方法的程序和用于记录程序的记录介质
公开(公告)号：JP2008297906A
公开(公告)日：2008-12-11
申请号：JP2007141559
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： 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 alleviate the cost increase required for commercialization of an internal combustion engine by preventing increase in time spent to set a threshold value.
SOLUTION: An engine ECU executes a program including a step (S102) for detecting the vibration intensity of an engine from a top dead center to 90 degrees on the basis of a signal transmitted from a knock sensor, a step (S108) for setting an integrating section in accordance with engine rotation speed NE and the load, a step (S110) for calculating knocking intensity N by dividing a second integration value P in which the intensity is integrated by the integrating section by a value A defined in proportion to the magnitude of the integrating section, a step (S118) for discriminating the occurrence of knocking when the knocking intensity N is bigger than a threshold value V(J), and a step (S122) for discriminating no occurrence of knocking when the knocking intensity N is smaller than a threshold value V(J).
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过防止设定阈值所花费的时间的增加来减轻内燃机的商业化所需的成本增加。发动机ECU执行包括步骤（S102）的程序，步骤（S102）基于从爆震传感器发送的信号来检测发动机从上止点到90度的振动强度，步骤（S108）用于根据发动机转速NE和负载设定积分部分，通过将积分部分积分强度的第二积分值P除以比例定义的值A来计算爆震强度N的步骤（S110）与步骤（S118）相比，当敲击强度N大于阈值V（J）时，判断爆震的发生的步骤（S118）;以及用于当敲击时不会发生爆震的步骤（S122）强度N小于阈值V（J）。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2007182858A 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：JP2007182858A
公开(公告)日：2007-07-19
申请号：JP2006002835
申请日：2006-01-10
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： KANEKO MASATO , KASASHIMA KENJI , YOSHIHARA MASATOMO , ASO KOJI , SENDA KENJI , TAKEMURA YUICHI , OE SHUHEI , IWADE JUN
IPC分类号： F02D45/00
CPC分类号： G01L23/225
摘要： PROBLEM TO BE SOLVED: To accurately determine the presence of knocking based on the waveform of vibration of an internal combustion engine.
SOLUTION: An engine ECU carries out a program including a step (S200) of computing an absolute value ΔS(I) of deviation for every crank angle of the waveform of vibration detected by a knock sensor and a knock waveform model; a step (S304) of correcting the vibration waveform when there is ΔS(I) larger than a threshold value ΔS(O) (Yes in S202), and when the number of ΔS(I) larger than the threshold value ΔS(O) is Q(1) or less (Yes in S300); a step (S308) of computing a correlation coefficient K which is a value related to deviation between the corrected vibration waveform and the knock waveform model; and a step (S400) of computing the correlation coefficient K without correcting the vibration waveform when the number of ΔS(I) larger than the threshold value ΔS(O) is larger than Q(1) (No in S300). The presence of knocking is determined based on the correlation coefficient K.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：基于内燃机的振动波形来准确地确定爆震的存在。解决方案：发动机ECU执行程序，该程序包括：计算由爆震传感器和爆震波形模型检测的振动波形的每个曲柄角的偏差绝对值ΔS（I）的步骤（S200）当存在大于阈值ΔS（0）的ΔS（I）时（S202中的“是”）来校正振动波形的步骤（S304），并且当大于阈值ΔS（0）的ΔS（I）是Q（1）以下（S300中为是）; 计算与校正后的振动波形和爆震波形模型的偏差有关的值的相关系数K的步骤（S308）以及当大于阈值ΔS（O）的ΔS（I）大于Q（1）时（S300中的否），计算相关系数K而不校正振动波形的步骤（S400）。基于相关系数K确定爆震的存在。版权所有：（C）2007，JPO＆INPIT

4. 发明专利

JP2007092531A Control device of internal combustion engine 审中-公开
标题翻译：内燃机控制装置
公开(公告)号：JP2007092531A
公开(公告)日：2007-04-12
申请号：JP2005279237
申请日：2005-09-27
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： OSUMI NAOKI , ITO MASAHIRO , KASASHIMA KENJI
IPC分类号： F02D41/04 , F02D11/10 , F02D45/00
CPC分类号： F02D11/106 , F02D2041/002 , F02D2041/1434 , F02D2200/0402 , F02D2200/0414 , F02D2200/704
摘要： PROBLEM TO BE SOLVED: To prevent an erroneous determination of steady and transition by noise in an engine control system. SOLUTION: The final target torque is converted into a target suction air quantity Mt, and this target suction air quantity Mt is outputted to a transition time control quantity operation means 43 and a steady time control quantity operation means 44. Next, the transition time control quantity operation means 43 arithmetically operates transition time target throttle opening θtt for achieving the target suction air quantity Mt in transition operation, and the steady time control quantity operation means 44 arithmetically operates steady time target throttle opening θts for achieving the target suction air quantity Mt in steady operation. A control switching means 45 calculates a deviation Δθdet between the transition time target throttle opening θtt and the steady time target throttle opening θts, and selects any one of the transition time target throttle opening θtt and the steady time target throttle opening θts as the final target throttle opening θt by comparing this deviation Δθdet with a determining value. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止在发动机控制系统中错误地确定噪声的稳定和过渡。解决方案：将最终目标转矩转换成目标吸入空气量Mt，将该目标吸入空气量Mt输出到过渡时间控制量操作装置43和稳定时间控制量操作装置44.接下来，过渡时间控制量操作装置43对转换操作中实现目标吸入空气量Mt的过渡时间目标节气门开度θtt进行算术运算，并且稳定时间控制量操作装置44对实现目标吸入空气的稳定时间目标节气门开度θts进行算术运算数量Mt稳定运行。控制切换装置45计算过渡时间目标节气门开度θtt和稳定时间目标节气门开度θts之间的偏差Δθdet，并且选择过渡时间目标节气门开度θtt和稳定时间目标节气门开度θts中的任何一个作为最终目标通过将该偏差Δθdet与确定值进行比较来确定节气门开度θt。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007009734A Control unit of internal combustion engine 有权
标题翻译：内燃机控制单元
公开(公告)号：JP2007009734A
公开(公告)日：2007-01-18
申请号：JP2005188555
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： YOSHIHARA MASATOMO , KASASHIMA KENJI , KANEKO MASATO , ASO KOJI , SENDA KENJI , TAKEMURA YUICHI , KAMIO SHIGERU
IPC分类号： F02P5/152 , F02D45/00 , F02P5/153
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To provide a control unit of an internal combustion engine which can retard the ignition timing appropriately. SOLUTION: The engine control unit ECU executes a program including: a step (S100) of calculating intensity values LOG(V) of N cycles (N: a natural number) from the intensity of vibration V; a step (S104) of calculating a standard deviation σ(1) in the frequency distribution of the intensity values LOG(V); a step (S108) of calculating a standard deviation σ(2) in the frequency distribution obtained by extracting the top X% (X: a fixed number) of data from the frequency distribution in S104; and a step (S116) of decreasing a judgement value V(KX) when a difference between the standard deviation σ(1) and the standard deviation σ(2) (¾σ(1)-σ(2)¾) is equal to or smaller than a threshold value (YES in S110). When the knocking intensity N calculated based on the waveform of vibration of the engine is larger than the judgement value V(KX), the ignition timing is retarded. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供可以适当地延迟点火正时的内燃机的控制单元。解决方案：发动机控制单元ECU执行程序，该程序包括：从振动强度V计算N个循环的强度值LOG（V）（N：自然数）的步骤（S100）计算强度值LOG（V）的频率分布中的标准偏差σ（1）的步骤（S104）; 计算通过在S104中从频率分布中提取数据的前X％（X：固定数）而获得的频率分布中的标准偏差σ（2）的步骤（S108）以及当标准偏差σ（1）和标准偏差σ（2）（¾σ（1）-σ（2）¾）之间的差等于或等于或小于或等于小于阈值（S110中为“是”）。当基于发动机的振动波形计算的爆震强度N大于判定值V（KX）时，点火正时被延迟。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006307708A 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：JP2006307708A
公开(公告)日：2006-11-09
申请号：JP2005130017
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
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To accurately determine whether knocking is generated.
SOLUTION: An engine ECU executes a program including steps of: (S108) subtracting a noise waveform model from a normalized vibration waveform; (S116) calculating knock strength N on the basis of a result of comparing the subtracted vibration waveform with a knock waveform model when there is no angle of becoming smaller than zero in an integral value in the 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：（S108）从归一化振动波形中减去噪声波形模型; （S116）中，在减法波形中的积分值中没有成为小于零的角度时，基于将减法振动波形与爆震波形模型进行比较的结果来计算爆震强度N（S110中的否）。（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

7. 发明专利

JP2006299995A Knocking determining device for internal combustion engine 审中-公开
标题翻译：用于内燃机的闭锁确定装置
公开(公告)号：JP2006299995A
公开(公告)日：2006-11-02
申请号：JP2005125261
申请日：2005-04-22
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 , KAMIO SHIGERU , TAKEMURA YUICHI
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To precisely determine whether knocking occurs.
SOLUTION: An engine ECU executes a program which includes steps of: (S102) of calculating such a value (an integrated value) that a value showing the strength of vibration is integrated for every crank angle of 5° on the basis of each frequency band for detecting a vibration waveform; (S104) discriminating whether the vibration of each frequency band includes vibration of noise components; (S106) combining vibration waveforms of other frequency bands than the frequency band including the vibration of noise components and knocking waveform models; (S114) calculating knocking strength N in accordance with the result of comparing the combined vibration waveforms with the combined knocking waveform models; and (S118) determining that knocking occurs when the knocking strength N is greater than a predetermined value (YES in S116).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：精确确定是否发生爆震。解决方案：发动机ECU执行程序，该程序包括以下步骤：（S102）计算这样的值（积分值），即，基于以下方式计算每个曲柄角为5度的表示振动强度的值用于检测振动波形的每个频带; （S104）判断每个频带的振动是否包括噪声分量的振动; （S106）将包括噪声成分和爆震波形模型的振动的频带的其他频带的振动波形组合起来; （S114）根据组合的振动波形与组合的爆震波形模型的比较结果计算爆震强度N; 和（S118）确定当爆震强度N大于预定值时发生爆震（S116中为“是”）。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006177259A Knocking determining device for internal combustion engine 审中-公开
标题翻译：用于内燃机的闭锁确定装置
公开(公告)号：JP2006177259A
公开(公告)日：2006-07-06
申请号：JP2004371898
申请日：2004-12-22
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： F02D45/00 , G01H17/00 , G01M15/00
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 comparing the vibration waveform of an engine with a prestored knock waveform model at a plurality of timings to compute correlation coefficients K which are values related to deviation between the vibration waveform and the knock waveform model (104), computing knock strength N based on the largest correlation coefficient K out of the computed correlation coefficients K (S106), determining that knocking has occurred (S110) when the knock strength N is larger than a predetermined decision value (Yes in S108), and determining that knocking has not occurred (S114) when the knock strength N is not larger than the predetermined decision value (No in S108).
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。发动机ECU执行包括以下步骤的程序：将发动机的振动波形与多个定时的预先存储的爆震波形模型进行比较，以计算与振动波形和爆震之间的偏差相关的值的相关系数K 波形模型（104），基于所计算的相关系数K（S106）中的最大相关系数K计算爆震强度N，确定爆震强度N大于预定判定值时已经发生爆震（S110）（是在S108中），并且当爆震强度N不大于预定判定值时，确定没有发生爆震（S114）（S108中为否）。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005337186A Controller for internal combustion engine 有权
标题翻译：内燃机控制器
公开(公告)号：JP2005337186A
公开(公告)日：2005-12-08
申请号：JP2004160386
申请日：2004-05-31
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： YAMADA MASAKAZU , KAMIO SHIGERU , KASASHIMA KENJI
IPC分类号： F02D45/00 , F02D13/02 , F02D41/04 , F02D41/14 , F02D43/00
摘要： PROBLEM TO BE SOLVED: To precisely calculate amount of air filled into a cylinder of an engine without using a map.
SOLUTION: A relational expression for approximating relation of amount Mc of air filled into the cylinder, rotation speed Ne of the engine, pressure Pm of a suction pipe, and valve timing VT is set, for example, as follows. Mc = a x Pm
2 + b x Pm + c x Ne
2 + d x Ne + e x VT
2 + f x VT + g. Rotation speed Ne of the engine detected by each sensor during engine operation, pressure Pm of the suction pipe, and the valve timing VT are substituted into the relational expression to calculate amount Mc of air filled into the cylinder. Coefficients a to g of the relational expression are calculated and updated to correct characteristic of the relational expression automatically so that error between a calculated value Mc of amount of air filled into the cylinder calculated by substituting rotation speed Ne of the engine detected by each sensor during steady operation, pressure Pm of the suction pipe, and the valve timing VT into the relational expression and a detected value Mcafm of the amount of air filled into the cylinder detected by an air flow meter 14 during steady operation becomes the minimum value.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：精确地计算在不使用地图的情况下填充到发动机气缸中的空气量。解决方案：例如如下设定用于近似填充到气缸中的空气量的关系式，发动机的转速Ne，吸入管的压力Pm以及气门正时VT的关系式。 Mc = a x Pm 2 + b x Pm + c x Ne 2 + d x Ne + e x VT 2 + SP x VT + g。在发动机运转期间，每个传感器检测到的发动机的转速Ne，吸入管的压力Pm和气门正时VT被替代为关系式，以计算填充到气缸中的空气量Mc。计算和更新关系表达式的系数a至g，以自动校正关系表达式的特征，以便通过由每个传感器检测到的发动机的转速Ne来代替填充到气缸中的空气量的计算值Mc之间的误差吸入管的压力Pm和阀正时VT成为关系表达式，并且在稳定运行期间由空气流量计14检测到的填充到气缸中的空气量的检测值Mcafm成为最小值。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005330954A Knocking determination device for internal combustion engine, and ignition control system including the same device 有权
标题翻译：用于内燃机的锁定确定装置和包括相同装置的点火控制系统
公开(公告)号：JP2005330954A
公开(公告)日：2005-12-02
申请号：JP2004371489
申请日：2004-12-22
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： KASASHIMA KENJI , KANEKO MASATO , SENDA KENJI , KAMIO SHIGERU , INOUE MASAOMI , TAKEMURA YUICHI
IPC分类号： F02P5/152 , F02D45/00 , F02P5/153 , G01L23/22
CPC分类号： G01L23/225 , F02P5/152 , F02P5/1521 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To determine if knocking is generated or not with favorable precision. SOLUTION: An engine ECU executes a step (S100) to detect waveform of engine vibration at a predetermined knocking detecting gate, a step (S102) to determine if a knocking waveform model stored in a memory coincides with the detected vibration waveform by a predetermine range or less, a step (S104) to determine that knocking has occurred in a case where the knocking waveform model coincides with the detected vibration waveform by the predetermined range or less (S102: YES), and a step (S108) to determine that no knocking has occurred in a case where the knocking waveform model does not coincide with the detected vibration waveform by the predetermined range or less (S102: NO). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：确定是否产生具有良好精度的爆震。解决方案：发动机ECU执行步骤（S100）以检测预定爆震检测门处的发动机振动的波形;步骤（S102），以确定存储在存储器中的爆震波形模型是否与检测到的振动波形一致预定范围以下的步骤（S104），在将所述检测到的振动波形与所述检测到的振动波形一致的情况下，确定所述爆震波形与所述振动波形一致的步骤（S102：是）的步骤（S104）确定在爆震波形模型与检测到的振动波形不一致预定范围或更小的情况下没有发生爆震（S102：否）。版权所有（C）2006，JPO＆NCIPI

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