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    • 81. 发明专利
    • Device for determining knocking of internal combustion engine
    • 用于确定内燃机起动的装置
    • JP2008297951A
    • 2008-12-11
    • JP2007143883
    • 2007-05-30
    • Toyota Motor Corpトヨタ自動車株式会社
    • KANEKO MASATOKASASHIMA KENJIYOSHIHARA MASATOMOSENDA KENJIHANAI NORIHITOYAMASAKO YASUHIROTAKEMURA YUICHI
    • F02D45/00
    • G01L23/225
    • PROBLEM TO BE SOLVED: To accurately determine whether or not knocking occurs. SOLUTION: An engine ECU executes a program including a step (S102) for detecting the vibration intensity of an engine, a step (S104) for detecting a vibration waveform of the engine on the basis of the intensity, a step (S114) for calculating a correlation coefficient K by employing a total of values obtained by subtracting a positive reference value from an intensity of a knocking waveform model as an area S of a knocking waveform model when engine rotation speed NE is smaller than a threshold value NE(1), and for calculating the correlation coefficient K by employing the entire area S of the knocking waveform model when the engine rotation speed NE is a threshold value NE(1) or more, and steps (S120, S124) for determining whether or not knocking occurs by utilizing the correlation coefficient K. The correlation coefficient K is calculated by dividing the sum of difference between intensities in the vibration waveform and knocking waveform model by the area S. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:准确地确定爆震是否发生。 发动机ECU执行包括用于检测发动机的振动强度的步骤(S102)的程序,用于基于强度检测发动机的振动波形的步骤(S104),步骤(S114 ),用于通过使用从发动机转速NE小于阈值NE的爆震波形模型的面积S作为爆震波形模型的强度减去正的基准值而得到的总和的值来计算相关系数K( 1),并且当发动机转速NE为阈值NE(1)以上时,通过采用爆震波形模型的整个面积S来计算相关系数K,以及用于确定是否确定是否启动的步骤(S120,S124) 通过利用相关系数K进行敲击。相关系数K通过将振动波形和爆震波形模型中的强度之差的和除以区域S来计算。版权所有(C)2009 ,JPO&INPIT
    • 82. 发明专利
    • Automatic knock detection device for automatic synchronism
    • 用于自动同步的自动检测装置
    • JP2003343338A
    • 2003-12-03
    • JP2002154619
    • 2002-05-28
    • Fujitsu Ten LtdToyota Motor Corpトヨタ自動車株式会社富士通テン株式会社
    • KASASHIMA KENJIMIYANOO YUJIFUKUOKA KOJI
    • F02D45/00
    • PROBLEM TO BE SOLVED: To provide an automatic knock detection device for automatic synchro nism which allows automatic synchronism by detecting a target knock level automatically when synchronizing the ignition time of an internal combustion engine. SOLUTION: The block vibration sensor output of each cylinder is extracted divided into a knock cycle and a noise cycle for each cylinder (S1300). A FFT result (a) per knock cycle and a FFT result t - b per noise cycle are calculated by FFT-processing each block vibration sensor output for a cycle extracted randomly (S1400). For each knock cycle, the averaging values (b) of the FFT results t - b of all noise cycles before the cycle and after the last judgment 'There is a knock' are calculated (S1500). Based on the difference (a-b), knock intensity (ci) for each knock cycle is calculated (S1600), and the knock level of a cycle extracted randomly is calculated (S1700). COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种用于自动同步的自动爆震检测装置,其通过在同步内燃机的点火时间时自动检测目标爆震级别而允许自动同步。 解决方案:将每个气缸的块振动传感器输出提取分为每个气缸的敲击循环和噪声循环(S1300)。 通过对随机提取的周期的每个块振动传感器输出进行FFT处理,计算每个噪声周期的每个敲击周期的FFT结果(a)和FFT结果t(SB00)。 对于每个敲击循环,FFT周期之前和最后一次判断“有敲击”之后的所有噪声周期的FFT结果的平均值(b)被计算(S1500)。 基于差异(a-b),计算每个敲击周期的敲击强度(ci)(S1600),并且计算随机提取的循环的敲击水平(S1700)。 版权所有(C)2004,JPO
    • 83. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2010281301A
    • 2010-12-16
    • JP2009137166
    • 2009-06-08
    • Toyota Motor Corpトヨタ自動車株式会社
    • KASASHIMA KENJIARIMA TERUYOSHIHIRAI MAKIKO
    • F02D41/12F02D29/00F02D41/20
    • PROBLEM TO BE SOLVED: To provide, for an internal combustion engine performing catalyst deterioration inhibitory control, a control device of the internal combustion engine reducing a sense of discomfort of an operator resulting from performance of the catalyst deterioration inhibitory control while producing an effect by the catalyst deterioration inhibitory control.
      SOLUTION: When catalyst temperature is equal to or above a predetermined threshold value, accelerator-off operation is performed and a condition for performing the catalyst deterioration inhibitory control is thereby met, an intake air quantity by an ISCV (idle speed control valve) is limited to an intake air quantity α which is smaller than an intake air quantity β at start of the conventional catalyst deterioration inhibitory control. The state in which the intake air quantity is limited to α is maintained for γ seconds set according to engine rotation speed. After the elapse of γ seconds, the intake air quantity is increased by an intake air increment correction quantity X set according to the engine rotation speed and the intake air quantity is gradually varied to the intake air quantity β.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种执行催化剂劣化抑制控制的内燃机,内燃机的控制装置减少由于执行催化剂劣化抑制控制而产生的操作者的不适感,同时制造 通过催化剂劣化抑制控制的作用。 解决方案:当催化剂温度等于或高于预定阈值时,执行加速器关闭操作,从而满足执行催化剂劣化抑制控制的条件,ISCV的进气量(怠速控制阀 )限于在常规催化剂劣化抑制控制开始时小于进气量β的进气量α。 将进气量限制为α的状态保持为根据发动机转速设定的γ秒。 经过γ秒后,通过根据发动机转速设定的进气增量校正量X,进气量增加,进气量逐渐变化为进气量β。 版权所有(C)2011,JPO&INPIT
    • 90. 发明专利
    • Automatic stop device of internal combustion engine
    • 内燃机自动停机装置
    • JP2008303788A
    • 2008-12-18
    • JP2007151709
    • 2007-06-07
    • Toyota Motor Corpトヨタ自動車株式会社
    • YOSHIHARA MASATOMOKASASHIMA KENJI
    • F02D29/02F02D17/00F02D45/00
    • PROBLEM TO BE SOLVED: To provide an automatic stop device of an engine capable of smoothly eliminating a sense of incongruity of a driver, by quickly and frequently performing idling stop control, when the engine becomes an idling operation state, when automatically stopping the engine.
      SOLUTION: When a learning history of the past control quantity of the engine exists in cold starting when a learning performing condition is not realized, and when a history of already performing the idling stop control of the engine exists in a present trip after warming up the engine, or when learning of a control valve of the engine 1 is completed when the learning performing condition of the engine is realized in the preset trip after starting the engine, an idling stop is permitted, and the performance of the idling stop control is commanded to an engine ECU just after an idling stop condition is realized.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够顺利地消除驾驶员的不协调感的发动机的自动停止装置,通过快速且频繁地执行怠速停止控制,当发动机变为怠速运转状态时,当自动停止 引擎。 解决方案:当在没有实现学习执行条件的冷启动中存在发动机的过去控制量的学习历史时,以及当在当前行程中已经执行发动机的怠速停止控制的历史存在于当前行程中时 在发动机起动后,在发动机的学习执行状态在预置行程中实现的情况下,当发动机1的控制阀的学习完成时,允许发动机升温,允许怠速停止,并且执行怠速停止 在实现怠速停止条件之后,对发动机ECU进行控制。 版权所有(C)2009,JPO&INPIT