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    • 51. 发明专利
    • Air-fuel ratio controller for multi-cylinder engine
    • 多缸发动机空燃比控制器
    • JP2005016397A
    • 2005-01-20
    • JP2003181551
    • 2003-06-25
    • Mitsubishi Motors Corp三菱自動車工業株式会社
    • UEDA KATSUNORIHANDA HIDEYUKIKANDA TAKASHI
    • F02M25/08F01N9/00F02D41/00F02D41/04F02D41/08F02D41/14F02D41/34F02D45/00
    • F02D41/008F02D41/08F02D41/1454
    • PROBLEM TO BE SOLVED: To provide an air-fuel ratio controller for a multi-cylinder engine capable of easily correcting unevenness in exhaust air-fuel ratio between cylinders.
      SOLUTION: This air-fuel ratio controller for the multi-cylinder engine is provided with catalyst converters 28, 29 and air-fuel ratio sensors 30, 31 in an exhaust manifold 20. It has an exhaust air-fuel ratio unevenness detection means 41 for detecting unevenness in exhaust air-fuel ratio between one cylinder and the other cylinder when exhaust air-fuel ratio on the same side is twice detected in succession for a predetermined value concerning one cylinder among the group of cylinders detected by one air-fuel ratio sensor and exhaust air-fuel ratio on a side different from one cylinder concerning the other cylinder while exhaust air-fuel ratio is twice detected by one cylinder is detected. This controller is provided with a combustion air-fuel ratio control means 42 for feedback-compensating fuel injection amount into one cylinder and feedback-compensating fuel injection amount into the other cylinder on the opposite side to maintain average exhaust air-fuel ratio in one cylinder and the other cylinder.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够容易地校正气缸之间的排气空燃比的不均匀性的多缸发动机的空燃比控制器。 解决方案:用于多缸发动机的该空燃比控制器在排气歧管20中设置有催化剂转换器28,29和空燃比传感器30,31。其具有排气空燃比不均匀性检测 在同一侧的排气空燃比连续两次检测到由一个气缸检测到的一组气缸中的一个气缸的预定值时,检测一个气缸和另一个气缸之间的排气空燃比的不均匀的装置41, 检测到与一个气缸相关的一侧的与一个气缸相关的一侧的燃料比传感器和排气空燃比,同时由一个气缸检测出两个排气空燃比。 该控制器设置有燃料空燃比控制装置42,用于将燃料喷射量反馈补偿到一个气缸中,并且反馈补偿燃料喷射量进入另一个气缸的相对侧,以保持一个气缸中的平均排气空燃比 和另一个气缸。 版权所有(C)2005,JPO&NCIPI
    • 52. 发明专利
    • Hybrid-vehicle control device
    • 混合动力车辆控制装置
    • JP2014133456A
    • 2014-07-24
    • JP2013001912
    • 2013-01-09
    • Mitsubishi Motors Corp三菱自動車工業株式会社
    • UEDA KATSUNORIHIRANO SHIGETOSHISASAKI YUSUKE
    • B60K6/442B60W10/02B60W10/04B60W10/06B60W20/00
    • B60K6/442B60W10/02B60W10/06B60W20/20B60W20/50B60W2510/0241B60W2710/0644F16H61/0206F16H61/061F16H61/12Y02T10/6234Y10S903/946Y10T477/26
    • PROBLEM TO BE SOLVED: To provide a hybrid-vehicle control device capable of accurately and quickly determining sticking of a clutch.SOLUTION: A clutch rotational speed difference ΔN is calculated when a hybrid-vehicle is in a series mode (S10, S12). It is determined whether an engagement-sticking determination timer t reaches or exceeds prescribed time t1 when the clutch rotational speed difference ΔN is within a prescribed range R1 (S12, S14). Fuel cut is performed when the engagement-sticking timer t reaches or exceeds prescribed time t1 (S18). A clutch rotational speed difference ΔN is calculated again (S20). It is determined that the clutch is engagement-stuck when the engagement-sticking timer t reaches or exceeds second prescribed time t2 and when the clutch rotational speed difference ΔN is within a second prescribed range R2 (S22-S26). It is determined that the clutch is not engagement-stuck when the engagement-sticking timer t is less than the second prescribed time t2 and when the clutch rotational speed difference ΔN is outside the second prescribed range R2 (S22, S28).
    • 要解决的问题:提供能够准确且快速地确定离合器的粘着的混合动力车辆控制装置。解决方案:当混合动力车辆处于串联模式时,计算出离合器转速差Dgr; N(S10,S12 )。 当离合器转速差Dgr; N处于规定范围R1内时,确定接合确定定时器t是否达到或超过规定时间t1(S12,S14)。 当接合定时器t达到或超过规定时间t1时进行燃料切断(S18)。 再次计算离合器转速差Dgr; N(S20)。 确定当接合定时器t达到或超过第二规定时间t2时以及离合器转速差Dgr; N处于第二规定范围R2(S22-S26)内时,离合器卡合。 当接合时刻t小于第二规定时间t2,离合器转速差Dgr; N在第二规定范围R2以外时,确定离合器不接合卡合(S22,S28)。
    • 54. 发明专利
    • Engine control device
    • 发动机控制装置
    • JP2014020338A
    • 2014-02-03
    • JP2012162541
    • 2012-07-23
    • Mitsubishi Motors Corp三菱自動車工業株式会社
    • IDE HIDETOUEDA KATSUNORIMIYATA TOSHIYUKI
    • F02D41/04F02D41/32F02D45/00F02M25/08
    • PROBLEM TO BE SOLVED: To improve estimated accuracy of concentration of purge gas in an engine control device.SOLUTION: An engine control device for introducing purge gas containing evaporated fuel from a fuel tank 28 to a suction system comprises: purge rate calculation means 5 for calculating a purge rate corresponding to an introduction ratio of the purge gas; and correction coefficient calculation means 6 for calculating a fuel amount correction coefficient for making an actual air-fuel ratio of an engine 10 into a target air-fuel ratio. Also, the device comprises purge concentration calculation means 8 for calculating concentration of the purge gas on the basis of the fuel amount correction coefficient calculated by the correction coefficient calculation means 6 and the purge rate calculated by the purge rate calculation means 5. Furthermore, the device comprises limit means 7 for setting an upper limit value of the fuel amount correction coefficient calculated by the correction coefficient calculation means 6.
    • 要解决的问题:提高发动机控制装置中净化气体浓度的估计精度。解决方案:一种用于将来自燃料箱28的含有蒸发燃料的净化气体引入抽吸系统的发动机控制装置包括:吹扫速率计算装置5, 计算对应于吹扫气体的引入比率的吹扫速率; 以及校正系数计算装置6,用于计算用于使发动机10的实际空燃比成为目标空燃比的燃料量校正系数。 此外,该装置包括基于由校正系数计算装置6计算的燃料量校正系数和由吹扫速率计算装置5计算的吹扫率计算净化气体浓度的净化浓度计算装置8.此外, 装置包括用于设定由校正系数计算装置6计算的燃料量校正系数的上限值的限制装置7。
    • 55. 发明专利
    • Control device of engine
    • 发动机控制装置
    • JP2014009611A
    • 2014-01-20
    • JP2012146246
    • 2012-06-29
    • Mitsubishi Motors Corp三菱自動車工業株式会社
    • IDE HIDETOUEDA KATSUNORIMIYATA TOSHIYUKI
    • F02M25/08F02D41/02F02D41/14F02D45/00
    • F02D41/3005F02D41/0042F02D41/0045F02D41/1454
    • PROBLEM TO BE SOLVED: To provide a control device of an engine which improves estimation accuracy of a concentration of purge gas.SOLUTION: A control device of an engine which introduces purge gas containing evaporated fuel from a fuel tank 28 to an intake system includes: air-fuel ratio calculation means 2 for calculating an air-fuel ratio of the engine; and purge ratio calculation means 3 for calculating a purge ratio corresponding to an introduction proportion of the purge gas. Further, the control device of the engine includes concentration calculation means 4 for calculating the concentration of the purge gas on the basis of the air-fuel ratio calculated by the air-fuel ratio calculation means 2 and the purge ratio calculated by the purge ratio calculation means 3. Furthermore, the control device of the engine includes determination means 6 for permitting or inhibiting the calculation of the concentration on the concentration calculation means 4 on the basis of the purge ratio calculated by the purge ratio calculation means 3.
    • 要解决的问题:提供一种提高吹扫气体浓度的估计精度的发动机的控制装置。解决方案:将来自燃料箱28的含有蒸发燃料的吹扫气体引入进气系统的发动机的控制装置包括: 用于计算发动机的空燃比的空燃比计算装置2; 吹扫比率计算装置3,用于计算与吹扫气体的导入比例相对应的吹扫率。 此外,发动机的控制装置包括浓度计算装置4,用于基于由空燃比计算装置2计算出的空燃比和通过吹扫比计算计算出的净化比来计算净化气体的浓度 此外,发动机的控制装置包括确定装置6,用于基于由吹扫比计算装置3计算的吹扫比,允许或禁止浓度计算装置4的浓度的计算。
    • 57. 发明专利
    • Control device of engine
    • 发动机控制装置
    • JP2013087672A
    • 2013-05-13
    • JP2011227952
    • 2011-10-17
    • Mitsubishi Motors Corp三菱自動車工業株式会社
    • SHIBATA AKINORIUEDA KATSUNORIMIYATA TOSHIYUKIUENO HIROAKI
    • F02D41/16F02D45/00
    • PROBLEM TO BE SOLVED: To regulate a proper idle control area along an environmental condition in a control device of an engine.SOLUTION: This control device of the engine includes a no-load operation target torque arithmetic operation means 2a for arithmetically operating no-load operation target torque based on a no-load loss in the engine 10, and a request torque arithmetic operation means 2c for arithmetically operating request torque required for the engine 10, includes a request load ratio arithmetic operation means 3 for arithmetically operating the request load ratio corresponding to a degree that the request torque acts as a load of the engine 10 with the no-load operation target torque as a reference, and includes a determining means 4 for determining that an operation area of the engine 10 is the idle control area based on the request load ratio.
    • 要解决的问题:在发动机的控制装置中沿着环境条件调节适当的空转控制区域。 解决方案:该发动机的该控制装置包括:空载运转目标转矩运算装置2a,用于基于发动机10的空载损耗运算空载运转目标转矩,以及请求转矩运算 用于发动机10所需的算术运行要求扭矩的装置2c包括请求负载比算术运算装置3,用于以与空载负载作为发动机10的载荷的程度对应的请求载荷比算术运行 操作目标转矩作为参考,并且包括确定装置4,用于基于请求负载比确定发动机10的操作区域是空转控制区域。 版权所有(C)2013,JPO&INPIT
    • 60. 发明专利
    • Engine controlling apparatus
    • 发动机控制装置
    • JP2012007583A
    • 2012-01-12
    • JP2010146032
    • 2010-06-28
    • Mitsubishi Motors Corp三菱自動車工業株式会社
    • TODA HITOSHIUEDA KATSUNORIMIYATA TOSHIYUKISHIBATA AKINORI
    • F02D45/00
    • F02D41/126F02D2200/0402F02D2200/1004
    • PROBLEM TO BE SOLVED: To improve the accuracy in computation of engine torque at recovery from fuel cut, relating to the controlling apparatus for an engine.SOLUTION: An air volume computing means 3a computes the volume of air introduced into the combustion chamber 14 of the engine 11. A fuel supply control means 1 cuts the fuel supply into the combustion chamber 14 when predetermined cut condition is met, and recovers the fuel supply when the predetermined recovery condition is met. A torque computing means 3 computes torque that the engine 11 outputs, based on the addition value of a first air volume introduced into the combustion chamber 14 in the air intake stroke of the engine 11 after fuel cut and the air volume under atmospheric pressure equivalent to the volume of the combustion chamber 14. A control means 2 controls the operation parameter of the engine 11, based on the torque.
    • 要解决的问题:提高与从发动机的控制装置相关的燃料切断回收时的发动机转矩的计算精度。 解决方案:空气量计算装置3a计算引入发动机11的燃烧室14中的空气的体积。燃料供应控制装置1在满足预定的切割条件时将燃料供应切断到燃烧室14中,并且 当满足预定的恢复条件时,恢复燃料供应。 扭矩计算装置3基于在燃料切断之后的发动机11的进气冲程中引入燃烧室14的第一空气体积的相加值和大气压下的空气体积等于 燃烧室14的体积。控制装置2基于扭矩来控制发动机11的操作参数。 版权所有(C)2012,JPO&INPIT