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11. 发明专利

JP2013170474A Knock control device of internal combustion engine 有权
标题翻译：内燃机起动控制装置
公开(公告)号：JP2013170474A
公开(公告)日：2013-09-02
申请号：JP2012033575
申请日：2012-02-20
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mazda Motor Corp , マツダ株式会社
发明人： TANAKA TORU , MATSUSHIMA YUHEI , ESUMI KEITARO , KUSUNOKI TOMOKUNI , INOUE ATSUSHI , MORIMOTO HIROTAKA
IPC分类号： F02D45/00
CPC分类号： G01L23/225 , F02D35/027 , F02D2041/286 , F02P5/152
摘要： PROBLEM TO BE SOLVED: To provide a knock control device of an internal combustion engine, the device having low cost and capable of accurately detecting a knock.SOLUTION: A knock control device of an internal combustion engine includes a control unit, which updates a background level based on an output signal from a knock sensor and detects generation of a knock by comparing a variation in a background level with a knock determination value. The control device determines a knock when the following relationship is established: ((variation of first filter value of peak hold value)>(1-filter coefficient)/(1+filter coefficient)×(predetermined value larger than the maximum value of variation of the peak hold value when no knock is generated)).
摘要翻译：要解决的问题：提供一种内燃机的爆震控制装置，该装置成本低，能够精确地检测爆震。解决方案：内燃机的爆震控制装置包括更新背景的控制单元基于来自爆震传感器的输出信号的电平，并且通过将背景级别的变化与爆震判定值进行比较来检测爆震的产生。控制装置在建立以下关系时决定敲击：（（峰值保持值的第一滤波器值的变化）>（1滤波器系数）/（1 +滤波器系数）×（大于变化的最大值的规定值不产生爆震时的峰值保持值））。

12. 发明专利

JP2013133710A Knock control apparatus for internal combustion engine 有权
标题翻译：内燃机起动控制装置
公开(公告)号：JP2013133710A
公开(公告)日：2013-07-08
申请号：JP2011282659
申请日：2011-12-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mazda Motor Corp , マツダ株式会社
发明人： MATSUSHIMA YUHEI , ESUMI KEITARO , KUSUNOKI TOMOKUNI , INOUE ATSUSHI , MORIMOTO HIROTAKA
IPC分类号： F02D45/00
CPC分类号： F02D45/00 , F02D35/027 , F02D41/2416 , F02D2041/286 , G01L23/221
摘要： PROBLEM TO BE SOLVED: To improve knock detection performance by improving normalization accuracy of knock signals.SOLUTION: A knock control apparatus for an internal combustion engine comprises a knock signal normalization means for normalizing the knock signals using base statistics calculated based on knock signals. The knock signal normalization means 17 calculates base statistics based on a last value and a current value of the knock signal, respectively and normalizes the knock signal using a base statistic interpolated according to an operating state. Furthermore, tracking of filter processing in calculating a base statistic based on a last value of a knock signal is accelerated than tracking of filter processing in calculating a base statistic based on a current value of the knock signal.
摘要翻译：要解决的问题：通过提高爆震信号的归一化精度来提高爆震检测性能。解决方案：用于内燃机的爆震控制装置包括用于使用基于爆震信号计算的基础统计来对爆震信号进行归一化的爆震信号归一化装置。爆震信号归一化装置17分别基于爆震信号的最后值和当前值来计算基本统计，并且使用根据操作状态插值的基本统计量对爆震信号进行归一化。此外，基于爆震信号的最新值，在计算基本统计量时跟踪过滤处理比基于爆震信号的当前值计算基础统计量时的跟踪过滤加速。

13. 发明专利

JP2012225268A Control device of internal combustion engine 有权
标题翻译：内燃机控制装置
公开(公告)号：JP2012225268A
公开(公告)日：2012-11-15
申请号：JP2011094043
申请日：2011-04-20
申请人： Mitsubishi Electric Corp , Mazda Motor Corp , マツダ株式会社 , 三菱電機株式会社
发明人： HAGARI HIDEKI , MAKINO MICHIKAZU , ESUMI KEITARO , KUSUNOKI TOMOKUNI
IPC分类号： F02D45/00 , F02D43/00
CPC分类号： F02D41/22 , F02D35/027 , F02D37/02 , F02D41/0002 , F02D41/0087 , F02D41/1401 , F02D2041/1422 , F02D2041/1432 , F02D2041/227 , F02D2041/286 , F02P5/152 , Y02T10/42 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine which determines a knock and an abnormal ignition based on an output of a knock sensor, and controls each abnormal combustion with an appropriate method.SOLUTION: The control device includes: a filtering unit which filters a vibration level extracted by a vibration level extraction unit and calculates a vibration level after the filtering; and an abnormal ignition suppression control unit. The abnormal ignition suppression control unit compares the vibration level after the filtering with an abnormal ignition determination value when a retard correction equal to or greater than a predetermined amount is carried out by a knock control unit; and if the vibration level after the filtering is determined to be equal to or greater than the abnormal ignition determination value, the control unit determines that abnormal ignition occurs in the internal combustion engine and controls to correct a combustion control unit to suppress the abnormal ignition.
摘要翻译：要解决的问题：提供一种内燃机的控制装置，其基于爆震传感器的输出确定敲击和异常点火，并且以适当的方法控制每个异常燃烧。控制装置包括：过滤单元，其对由振动级别提取单元提取的振动水平进行滤波，并计算滤波后的振动水平; 和异常点火抑制控制单元。异常点火抑制控制单元在爆震控制单元执行等于或大于预定量的延迟校正时，将过滤后的振动水平与异常点火判定值进行比较; 并且如果将过滤后的振动水平确定为等于或大于异常点火判定值，则控制单元确定在内燃机中发生异常点火，并且控制以校正燃烧控制单元以抑制异常点火。版权所有（C）2013，JPO＆INPIT

14. 发明专利

JP2012077696A Knock control apparatus for internal combustion engine 有权
标题翻译：内燃机起动控制装置
公开(公告)号：JP2012077696A
公开(公告)日：2012-04-19
申请号：JP2010224705
申请日：2010-10-04
申请人： Mazda Motor Corp , Mitsubishi Electric Corp , マツダ株式会社 , 三菱電機株式会社
发明人： MATSUSHIMA YUHEI , HAGARI HIDEKI , SAITO TOSHIKATSU , ESUMI KEITARO , KUSUNOKI TOMOKUNI
IPC分类号： F02D45/00
CPC分类号： F02P5/152 , F02D35/027 , F02D41/2451 , F02D2041/286 , F02D2041/288 , Y02T10/46
摘要： 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.
摘要翻译：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

15. 发明专利

JP2011085098A Control device for internal combustion engine 有权
标题翻译：内燃机控制装置
公开(公告)号：JP2011085098A
公开(公告)日：2011-04-28
申请号：JP2009240076
申请日：2009-10-19
申请人： Mazda Motor Corp , Mitsubishi Electric Corp , マツダ株式会社 , 三菱電機株式会社
发明人： HAGARI HIDEKI , MAKINO MICHIKAZU , ESUMI KEITARO , KUSUNOKI TOMOKUNI
IPC分类号： F02D45/00 , F02D13/02 , F02D15/00 , F02D41/22 , F02D43/00 , F02P5/152 , F02P5/153
CPC分类号： F02D41/0002 , F02D13/0226 , F02D13/0269 , F02D15/00 , F02D35/021 , F02D35/027 , F02D37/02 , F02D2041/001 , F02P5/152 , F02P17/12 , Y02T10/142 , Y02T10/42 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To detect abnormal ignition which is called pre-ignition or post ignition at an early stage, prevent increase of duration of torque fluctuation and abnormal vibration, and inhibit abnormal ignition. SOLUTION: This device includes: a second knock detection means 51 for detecting occurrence of a second knock due to an effective compression ratio when ignition timing is on a retard side of a predetermined value in the case where a first knock is detected; a second knock suppression means 52 for suppressing the second knock by calculating a first effective compression ratio drop quantity and giving a variable valve gear control means the same when the second knock is detected; a first abnormal ignition detection means 61 for detecting occurrence of first abnormal ignition due to pre-ignition or post-ignition when a knock intensity of the second knock is equal to or larger than a predetermined value; and a first abnormal ignition suppression means 62 for suppressing the first abnormal ignition by performing fuel control for an internal combustion engine when the first abnormal ignition is detected. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了检测早期被称为点火前或点火后的异常点火，防止扭矩波动和异常振动的持续时间增加，并且抑制异常点火。解决方案：该装置包括：第二爆震检测装置51，用于在检测到第一次敲击的情况下，当点火正时处于预定值的延迟侧时，检测由于有效压缩比导致的第二次敲击的发生; 第二敲击抑制装置52，用于通过计算第一有效压缩比下降量来抑制第二次敲击，并且当检测到第二次敲击时给予可变阀齿轮控制装置相同的冲击抑制装置52; 第一异常点火检测装置61，用于当第二次敲击的敲击强度等于或大于预定值时，检测由点火前或点火后发生的第一异常点火; 以及第一异常点火抑制装置62，用于当检测到第一异常点火时，通过对内燃机执行燃料控制来抑制第一异常点火。版权所有（C）2011，JPO＆INPIT

16. 发明专利

JP2014173531A Compression self-ignition type engine 有权
标题翻译：压缩自燃式发动机
公开(公告)号：JP2014173531A
公开(公告)日：2014-09-22
申请号：JP2013048134
申请日：2013-03-11
申请人： Mazda Motor Corp , マツダ株式会社
发明人： HAYATA MITSUNORI , YAMAGATA NAOYUKI , KUSUNOKI TOMOKUNI , HAMADA TAKUYA
IPC分类号： F02D9/02 , F02B23/10 , F02B29/04 , F02D41/02 , F02D41/04 , F02D45/00
CPC分类号： F02M31/042 , F02B29/0412 , F02M26/25 , F02M31/20 , Y02T10/126 , Y02T10/146
摘要： PROBLEM TO BE SOLVED: To control an intake air temperature with high accuracy in a CI combustion execution region.SOLUTION: An intake passage 20 of an engine has: a high temperature passage 22 provided with heating means (26) for heating intake air; a low temperature passage 23 provided with cooling means (27) for cooling intake air; a collecting portion (24) for collecting the high temperature passage 22 and the low temperature passage 23; and a downstream-side passage (25) connecting the collecting portion and an engine body 1. The high temperature passage 22 and the low temperature passage 23 are provided with throttle valves 28, 29 for adjusting flow rates of the intake air. An opening of each of the throttle valves 28, 29 is controlled so that a temperature of the intake air at the collecting portion (24) is kept within a predetermined specific temperature range in an operation region where CI combustion is executed.
摘要翻译：要解决的问题：在CI燃烧执行区域中以高精度控制进气温度。解决方案：发动机的进气通道20具有：设有用于加热进气的加热装置（26）的高温通道22; 设置有用于冷却进气的冷却装置（27）的低温通道23; 用于收集高温通道22和低温通道23的收集部分（24）; 以及连接收集部和发动机主体1的下游侧通路（25）。高温通路22和低温通路23设有节流阀28,29，用于调节进气的流量。控制每个节流阀28,29的开口，使得在执行CI燃烧的操作区域中，收集部分（24）处的进气温度保持在预定的特定温度范围内。

17. 发明专利

JP2012241612A Apparatus for determining hydraulic pressure in engine 有权
标题翻译：用于确定发动机液压压力的装置
公开(公告)号：JP2012241612A
公开(公告)日：2012-12-10
申请号：JP2011112223
申请日：2011-05-19
申请人： Mazda Motor Corp , マツダ株式会社
发明人： OKAZAWA HISASHI , SATO MASAAKI , OMORI YUJI , FUJII NOBUHIRO , WAKITA YUJI , KUSUNOKI TOMOKUNI
IPC分类号： F01M1/20 , F01M1/16
CPC分类号： F01M1/16 , F01M1/20
摘要： PROBLEM TO BE SOLVED: To determine hydraulic pressure state with good accuracy even at low engine revolutions, in an apparatus for determining hydraulic pressure which is configured to determine hydraulic pressure state of oil in an engine based on ON/OFF state of a hydraulic pressure switch.SOLUTION: Temperature information of engine cooling water or oil and engine rpm (speed) information are associated with each other, for determination of hydraulic pressure state, and determination of hydraulic pressure state is performed from lower engine revolutions when the temperature is lower.
摘要翻译：要解决的问题：即使在低发动机转速下也能以高精度确定液压状态，在用于确定液压的装置中，所述装置被构造成基于发动机的开/关状态来确定发动机中的油的液压状态液压开关。
解决方案：发动机冷却水或油和发动机转速（速度）信息的温度信息彼此相关，用于确定液压状态，并且当温度较低时，从较低的发动机转数执行液压状态的确定。版权所有（C）2013，JPO＆INPIT

18. 发明专利

JP2012052472A Engine control device 有权
标题翻译：发动机控制装置
公开(公告)号：JP2012052472A
公开(公告)日：2012-03-15
申请号：JP2010195851
申请日：2010-09-01
申请人： Mazda Motor Corp , マツダ株式会社
发明人： SHISHIME KOUJI , KUSUNOKI TOMOKUNI , ESUMI KEITARO
IPC分类号： F02D9/02 , F02D13/02 , F02D41/04 , F02D43/00
摘要： PROBLEM TO BE SOLVED: To provide an engine control device capable of preventing the generation of pre-ignition, even when response delay of an actual VVT retard angle.SOLUTION: The engine control device includes a variable valve timing mechanism 70 causing an opening and closing timing of an intake valve 22 to be variable by VVT retarding or VVT advancing an angle of the intake valve. The variable valve timing mechanism includes: a VVT retard angle controller for performing VVT advance angle during idling and VVT retard angle from the VVT advance angle position during off-idling; a limit air amount calculator for calculating a limit air amount causing pre-ignition on the basis of the actual phase of the VVT upon the transition from idling time to off-idling time when performing the transition; and a throttle valve opening setter for setting a throttle valve opening so that the actual air amount may not increase to the calculated limit air amount or above.
摘要翻译：要解决的问题：即使在实际VVT延迟角的响应延迟时，也能够提供能够防止产生预点火的发动机控制装置。解决方案：发动机控制装置包括可变气门正时机构70，其使进气门22的打开和关闭正时可通过VVT延迟或VVT前进进气门的角度而变化。可变气门正时机构包括：VVT延迟角控制器，用于在怠速期间从VVT提前角位置执行空转期间的VVT提前角和VVT延迟角; 限制空气量计算器，用于当执行转换时，从空转时间到非空闲时间，基于VVT的实际相位来计算引起预点火的极限空气量; 以及用于设定节流阀开度的节气门开启装置，使得实际空气量不会增加到计算出的极限空气量或以上。版权所有（C）2012，JPO＆INPIT

19. 发明专利

JP2012047052A Device for controlling fuel injection time of engine 有权
标题翻译：用于控制发动机燃油喷射时间的装置
公开(公告)号：JP2012047052A
公开(公告)日：2012-03-08
申请号：JP2010186975
申请日：2010-08-24
申请人： Mazda Motor Corp , マツダ株式会社
发明人： INOUE ATSUSHI , KUSUNOKI TOMOKUNI , ESUMI KEITARO
IPC分类号： F02D41/34 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide a device for controlling a fuel injection time of an engine, which prevents fuel injection noise from being falsely detected as knocking.SOLUTION: The device for controlling the fuel injection time of an engine sets fuel injection timing in the range of a predetermined crank angle after top dead center, and includes a knocking sensor and a plurality of cylinders. The fuel injection timing is changed beyond the range of the predetermined crank angle, in a predetermined engine operating condition where knocking is likely to occur.

20. 发明专利

JP2014173530A Compression self-ignition type engine 审中-公开
标题翻译：压缩自燃式发动机
公开(公告)号：JP2014173530A
公开(公告)日：2014-09-22
申请号：JP2013048133
申请日：2013-03-11
申请人： Mazda Motor Corp , マツダ株式会社
发明人： HAYATA MITSUNORI , YAMAGATA NAOYUKI , KUSUNOKI TOMOKUNI , HAMADA TAKUYA
IPC分类号： F02D21/08 , F02B3/02 , F02D9/02 , F02M31/07
摘要： PROBLEM TO BE SOLVED: To stably realize proper CI combustion free from abnormal combustion.SOLUTION: An intake passage 20 of an engine has: a high temperature passage 22 provided with heating means (26) for heating intake air; a low temperature passage 23 not having the heating means; a collecting portion (24) for collecting both passages 22, 23; a downstream-side passage (25) connecting the collecting portion and an engine body 1; and flow rate adjusting means (28, 29) for adjusting flow rates of the high temperature passage 22 and the low temperature passage 23. The flow rate adjusting means is controlled so that a flow rate of the intake air from the high temperature passage 22 becomes more than a flow rate of the intake air from the low temperature passage 23, when the engine is operated in a CI region A as an execution region of CI combustion, and an outside air temperature is less than a prescribed temperature. Further in a part of at least a high load side in the CI region A, a prescribed amount of an exhaust gas is returned to the intake passage 20 by an EGR device 40.
摘要翻译：要解决的问题：稳定地实现没有异常燃烧的适当的CI燃烧。解决方案：发动机的进气通道20具有：设有用于加热进气的加热装置（26）的高温通道22; 没有加热装置的低温通路23; 用于收集通道22,23的收集部分（24）; 连接收集部和发动机主体1的下游侧通路（25）以及用于调节高温通道22和低温通道23的流量的流量调节装置（28,29）。控制流量调节装置，使得来自高温通道22的进气的流量变为当发动机在作为CI燃烧的执行区域的CI区域A中操作并且外部空气温度低于规定温度时，来自低温通道23的进气的流量大于流量。此外，在CI区域A的至少高负荷侧的一部分中，通过EGR装置40将规定量的废气返回到进气通道20。

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