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    • 1. 发明专利
    • Knock control device of internal combustion engine
    • 内燃机起动控制装置
    • JP2012072718A
    • 2012-04-12
    • JP2010218857
    • 2010-09-29
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • HAGARI HIDEKIMATSUSHIMA YUHEIESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02P5/152F02D45/00F02P5/153
    • F02P5/152F02D35/027Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a knock control device of an internal combustion engine, which calculates a proper knock correction amount for suppressing a knock at the detection of the knock of the internal combustion engine, and which recovers the knock correction amount so that torque-down may not occur more than necessary at the non-detection of the knock.SOLUTION: This knock control device of the internal combustion engine includes a knock correction amount operation part which operates the knock correction amount for sifting the ignition timing of the internal combustion engine to a retardation side on the basis of the strength of the knock when it is determined that the knock occurs, and returns the knock correction amount to an advance side when it is determined that the knock does not occur. The knock correction amount operation part limits and holds the knock correction amount to a prescribed value when a value of the knock correction amount to the retardation side reaches a prescribed value or larger, and when it is determined that the knock does not occur by a knock determination part, the knock correction amount operation part returns the limited knock correction amount to the advance side.
    • 要解决的问题:提供一种内燃机的爆震控制装置,其计算用于在检测内燃机的爆震时抑制爆震的适当的爆震校正量,并且其恢复爆震校正量 因此在不检测爆震时可能不会发生超过必要的扭矩下降。 解决方案:内燃机的爆震控制装置包括:爆震校正量操作部,其操作爆震校正量,用于根据爆震强度对内燃机的点火正时进行相位差的筛选 当确定发生敲击时,并且当确定不发生爆震时,将爆震校正量返回到提前侧。 当相对于相位侧的爆震校正量的值达到规定值以上时,敲击校正量操作部分将爆震校正量限制并保持为规定值,并且当确定爆震不发生敲击时 确定部分,爆震校正量操作部分将限制爆震校正量返回到提前侧。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Control apparatus for internal combustion engine
    • 内燃机控制装置
    • JP2010159642A
    • 2010-07-22
    • JP2009000887
    • 2009-01-06
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • MATSUSHIMA YUHEIHAGARI HIDEKIESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02D45/00
    • G01L23/225F02D35/027F02D2041/286F02D2041/288F02P5/152Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a knock control apparatus for an internal combustion engine enabling accurate knock determination level setting without detailed adaptation irrespective of a shape of distribution of knock sensor signal. SOLUTION: A knock control apparatus includes: a knock sensor 4 for detecting knock of the internal combustion engine; a signal processing section 41 for performing frequency analysts of the knock sensor signal by DFT and calculating a knock intensity; and knock determination level setting sections 42, 43: for calculating an average value of the knock intensity; for calculating, based on the average value, an overall variance of the knock intensity of an entirety of a frequency distribution, a higher variance of the knock intensity above the average value, and a lower variance of the knock intensity below the average value; for calculating a standard deviation of the knock intensity from the overall variance; for presetting a value allowing the frequency distribution of the knock intensity to be a predetermined confidence interval as a confidence coefficient; for correcting the confidence coefficient based on the upper variance and the lower variance; and for setting a sum of the average value and a value obtained by multiplying the standard deviation by the corrected confidence coefficient as a knock determination level. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于内燃机的爆震控制装置,其能够在没有详细适应的情况下实现精确的爆震判定水平设定,而与爆震传感器信号的分布形状无关。 爆震控制装置包括:爆震传感器4,用于检测内燃机的爆震; 信号处理部41,用于通过DFT进行爆震传感器信号的频率分析,计算爆震强度; 爆震判定等级设定部42,43:计算爆震强度的平均值时, 用于基于平均值计算整个频率分布的敲击强度的总体方差,高于平均值的爆震强度的较高方差和低于平均值的爆震强度的较低方差; 用于计算爆震强度与总方差的标准偏差; 用于将允许爆震强度的频率分布设定为预定置信区间的值作为置信系数; 用于基于上方差和低方差校正置信系数; 并且通过将标准偏差乘以校正的置信系数作为爆震判定水平来设置平均值和值。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Internal combustion engine control apparatus
    • 内燃机发动机控制装置
    • JP2013122191A
    • 2013-06-20
    • JP2011270890
    • 2011-12-12
    • Mitsubishi Electric Corp三菱電機株式会社Mazda Motor Corpマツダ株式会社
    • ONO TAKAHIKOMATSUSHIMA YUHEIESUMI KEITAROKUSUNOKI TOMOKUNIINOUE ATSUSHIMORIMOTO HIROTAKA
    • F02D45/00F02P5/152F02P5/153
    • F02P5/152F02D41/222F02D2041/1432F02P5/1523Y02T10/46
    • PROBLEM TO BE SOLVED: To prevent knock determination caused by a tracking delay of filter calculation caused by a change of an oscillation level when an inner-cylinder state of an internal combustion engine is switched from a non-combustion state to a combustion state.SOLUTION: An internal combustion engine control apparatus includes: a combustion start determination unit 101 that determines that the inner-cylinder of the internal combustion engine is changed from the non-combustion state to the combustion state; a filter coefficient changing demand unit 102 that outputs a filter coefficient changing demand until a predetermined filter coefficient changing period elapses when the combustion start determination unit 101 determines that the inner-cylinder state of the internal combustion engine 1 is changed from the non-combustion state to the combustion state. Based on the filter coefficient changing demand, at least one of a background level calculation unit 104 and a standard deviation calculation unit 105 changes the value of a filter coefficient utilized in a filtering operation to a value at which a filtering effect is weakened.
    • 要解决的问题:为了防止当内燃机的内缸状态从非燃烧状态切换到燃烧时由振荡水平的变化引起的过滤器计算的跟踪延迟引起的爆震判定 州。 解决方案:内燃机控制装置包括:燃烧开始确定单元101,其确定内燃机的内缸从非燃烧状态改变为燃烧状态; 过滤器系数变更要求部102,其在燃烧开始判定部101判断为内燃机1的内侧气缸状态从非燃烧状态变化时,输出滤波系数变更需求直到经过了规定的过滤系数变更期间 到燃烧状态。 基于滤波器系数改变要求,背景等级计算单元104和标准偏差计算单元105中的至少一个将滤波操作中使用的滤波器系数的值改变为滤波效果被削弱的值。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Knock control apparatus for internal combustion engine
    • 内燃机起动控制装置
    • JP2012077696A
    • 2012-04-19
    • JP2010224705
    • 2010-10-04
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • MATSUSHIMA YUHEIHAGARI HIDEKISAITO TOSHIKATSUESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02D45/00
    • F02P5/152F02D35/027F02D41/2451F02D2041/286F02D2041/288Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a knock control apparatus for an internal combustion engine configured to enhance knock control performance by suppressing changes of an average value and a standard deviation of a knock signal due to a change of the running condition of the internal combustion engine without deteriorating the knock control performance and increasing a processing load on an arithmetic device and matching man-hours.SOLUTION: The knock control apparatus for the internal combustion engine includes: a knock signal normalizer that normalizes a knock signal extracted from an output signal of a knock sensor; a knock determination threshold setter that sets a knock determination threshold on the basis of the normalized knock signal; a knock intensity calculator that calculates knock intensity on the basis of the normalized knock signal and the set knock determination threshold; a knock determiner that determines the presence of a knock on the basis of the calculated knock intensity; and a knock correction amount calculator that calculates a knock correction amount to correct the calculated knock intensity when the occurrence of a knock is determined. The knock signal normalizer normalizes a standard deviation of the knock signal by dividing the knock signal by an average value of the knock signal.
    • 解决的问题:提供一种内燃机的爆震控制装置,其配置为通过抑制爆震信号的平均值的变化和由于运行条件的变化引起的爆震信号的标准偏差来增强爆震控制性能 内燃机,而不会降低爆震控制性能,并增加运算装置上的加工负荷和匹配工时。 解决方案:用于内燃机的爆震控制装置包括:将从爆震传感器的输出信号提取的爆震信号归一化的爆震信号归一化装置; 爆震判定阈值设定器,其基于归一化爆震信号设定爆震判定阈值; 敲击强度计算器,其基于归一化爆震信号和所设定的爆震判定阈值来计算爆震强度; 敲击确定器,其基于计算的敲击强度来确定爆震的存在; 以及爆震校正量计算器,其计算敲击校正量以在确定爆震的发生时校正所计算的爆震强度。 爆震信号归一化器通过将爆震信号除以爆震信号的平均值来标准化爆震信号的标准偏差。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Internal combustion engine control apparatus
    • 内燃机发动机控制装置
    • JP2012159044A
    • 2012-08-23
    • JP2011019685
    • 2011-02-01
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • HAGARI HIDEKIMATSUSHIMA YUHEIESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02D45/00F02P5/152F02P5/153
    • F02P5/152F02D35/027Y02T10/46
    • PROBLEM TO BE SOLVED: To provide an internal combustion engine control apparatus that can detect a transient operation state with no delay and wherein a transient correction amount including a degree of acceleration and deceleration, a transient correction continuance, a decreasing speed of the transient correction amount, and the like can be adapted by less man hours.SOLUTION: The apparatus includes: an operation status value detection unit for detecting two or more operation status values indicating an operation status of an internal combustion engine; a filtering processing unit for applying filtering processing to each of the detected operation status values, an operation status value difference calculation unit for calculating the difference between the filter-processed and non-filter-processed operation status values to calculate two or more operation status value differences; an operation status value difference normalization unit for normalizing the two or more operation status value differences, based on predetermined reference values for the two or more operation status values, to calculate two or more normalized operation status value differences; and a transient correction unit for correcting a control amount for controlling output of the internal combustion engine, based on the two or more normalized operation status value differences, when the engine is in a transient-operation mode.
    • 解决的问题:提供一种能够无延迟地检测瞬时动作状态的内燃机控制装置,其特征在于,包括加速减速度,瞬时校正持续时间,瞬时校正持续时间, 瞬时校正量等可以以较少的工时进行调整。 解决方案:该装置包括:操作状态值检测单元,用于检测指示内燃机的运行状态的两个或多个运行状态值; 用于对每个检测到的操作状态值进行滤波处理的滤波处理单元,用于计算滤波处理和非滤波处理的运算状态值之间的差的运算状态值差计算单元,计算两个以上运算状态值 差异; 操作状态值差异归一化单元,用于基于所述两个或多个操作状态值的预定参考值来归一化所述两个或多个操作状态值差,以计算两个或更多个归一化操作状态值差; 以及瞬态校正单元,用于当发动机处于瞬态操作模式时,基于两个或更多个归一化的操作状态值差来校正用于控制内燃机的输出的控制量。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Knock control device for engine
    • 发动机卡锁控制装置
    • JP2012159004A
    • 2012-08-23
    • JP2011017896
    • 2011-01-31
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • MATSUSHIMA YUHEIESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02D45/00
    • F02P5/152F02D35/027F02D41/2416F02D2041/288Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a knock control device for an engine, wherein erroneous knock detection can be reduced by suppressing sudden knock signal changes when noise enters or exits a knock detection zone, without causing any increase in the number of matching steps, deterioration in the S/N in knock detection and decrease in detection performing frequency.SOLUTION: In the knock control device for the engine, a knock window setting means 17 sets a zone where vibration is generated by knocks as a knock detecting zone (open zone OPN) in advance, adds an open gain to the processing results by a digital signal processing means 16 in the knock detecting zone, adds a close gain to the processing results by the digital signal processing means 16 in the zone (close zone CLS) other than the knock detecting zone, arranges a predetermined an interpolation zone INT between the open zone OPN and the close zone CLS, and adds a linear interpolation value of the open gain and a predetermined interpolation value to the processing results by the digital signal processing means 16 in the interpolation zone INT.
    • 要解决的问题:提供一种用于发动机的爆震控制装置,其中当噪声进入或离开爆震检测区域时,通过抑制突发爆震信号变化可以降低错误爆震检测,而不引起匹配次数的任何增加 步骤,爆震检测中S / N的恶化和检测执行频率的降低。 解决方案:在发动机的爆震控制装置中,爆震窗设定装置17将通过爆震产生振动的区域预先设定为爆震检测区域(开放区域OPN),对处理结果增加开放增益 通过爆震检测区域中的数字信号处理装置16,在除了爆震检测区域之外的区域(关闭区域CLS)中的数字信号处理装置16对处理结果附加近似的增益,布置预定的插值区域INT 在开放区域OPN和关闭区域CLS之间,并且通过数字信号处理装置16将内插区域INT中的开放增益和预定内插值的线性内插值加到处理结果。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2011012607A
    • 2011-01-20
    • JP2009157984
    • 2009-07-02
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • MAKINO MICHIKAZUHAGARI HIDEKIMATSUSHIMA YUHEIESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02D45/00
    • PROBLEM TO BE SOLVED: To obtain a control device for an internal combustion engine that can easily set a premature ignition determination level and can securely detect premature ignition.SOLUTION: The control device includes a crank angle acceleration calculating means (42) for calculating a crank angle acceleration based on a signal from a crank angle sensor, and determining means (44 and 45) for setting upper limit crank angle acceleration as a threshold of the determination level to obtain a predetermined confidence interval, and determining that premature ignition is generated when crank angle acceleration is greater than the threshold of a determination level. The control device also include a determination level setting means (43) for applying statistical processing to the crank angle acceleration which is sequentially calculated to obtain an actual data distribution of the crank angle acceleration during an actual drive situation, and calculating a new determination level threshold suitable for the actual data distribution. The determination means determines whether the premature ignition is generated by using a new determination level threshold.
    • 要解决的问题:获得能够容易地设定过早的点火判定水平并能够可靠地检测过早点火的内燃机的控制装置。解决方案:控制装置包括用于计算曲柄的曲柄角加速度计算装置(42) 基于来自曲柄角传感器的信号的角度加速度,以及用于将上限曲柄角加速度设定为所述判定水平的阈值以获得预定置信区间的确定装置(44和45),并且确定当曲柄 角度加速度大于确定水平的阈值。 控制装置还包括:判定水平设定单元,用于对曲柄角加速度进行统计处理,该曲柄角加速度被依次计算,以获得在实际驾驶状态期间的曲柄角加速度的实际数据分布,并计算新的判定水平阈值 适合实际的数据分发。 确定装置确定是否通过使用新的确定水平阈值来生成过早点火。