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    • 1. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2013036337A
    • 2013-02-21
    • JP2011170301
    • 2011-08-03
    • Toyota Motor Corpトヨタ自動車株式会社Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • SATA KOTAJINBO TOMOHIKOHIBINO RYOICHI
    • F02M25/07F02D21/08F02D41/02F02D41/32
    • Y02T10/47
    • PROBLEM TO BE SOLVED: To prevent occurrence of an unexpected misfire in an internal combustion engine having an outside EGR (Exhaust Gas Recirculation) device.SOLUTION: A control device 100 of the internal combustion engine is the control device for the internal combustion engine 1 including cylinders 11, a suction passage 12 and an exhaust passage 13 respectively connected to the cylinders, a catalyst 14 disposed in the exhaust passage, and an EGR device 15 having an EGR passage 151 whose one end is connected to the exhaust passage and whose other end is connected to the suction passage, and capable of recirculating at least a part of exhaust gas discharged from the cylinders to the suction passage side, and a fuel supply means 16 capable of supplying fuel to the cylinders. The control device includes a control means 21 for controlling the fuel supply means so that fuel is not supplied depending on temperature of the catalyst. The control means further controls the EGR device so that an EGR rate is lowered at fuel cut disabled time when the fuel supply means cannot be controlled to prevent fuel supply as compared with fuel cut time when the fuel supply means can be controlled to prevent fuel supply.
    • 要解决的问题:为了防止在具有外部EGR(排气再循环)装置的内燃机中发生意外的失火。 内燃机的控制装置100是内燃机1的控制装置,包括分别连接到气缸的气缸11,吸入通道12和排气通道13,设置在排气口中的催化剂14 通路以及具有EGR通路151的EGR装置15,EGR通路151的一端与排气通路连接,另一端与吸入通路连接,能够将从气缸排出的废气的至少一部分再循环到吸入口 通道侧,以及能够向气缸供给燃料的燃料供给装置16。 控制装置包括用于控制燃料供应装置的控制装置21,使得不依赖于催化剂的温度供应燃料。 控制装置进一步控制EGR装置,使得当燃料供给装置不能被控制以防止燃料供应与燃料供应装置相比燃料供应装置被控制以防止燃料供应时,在燃料切断禁用时间期间EGR率降低 。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2013032740A
    • 2013-02-14
    • JP2011169374
    • 2011-08-02
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • JINBO TOMOHIKOISHINO MINORUHIBINO RYOICHITANAKA SATOSHISATA KOTAISHIBUCHI MASAAKI
    • F02D45/00F02D21/08
    • PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of determining exhaust pressure without performing repetitive computation.SOLUTION: Characteristics of the change of the rate of an exhaust flow before passing a turbine wheel 36 with respect to an expansion ratio are decided in a control part 20 in which the characteristic formula of the turbine wheel 36 divided division by the division of the expansion ratio and approximated to a linear expression is stored. The control part 20 calculates the candidate value of the exhaust pressure before passing the turbine wheel 36 from the rate of a suction flow after passing a compressor wheel 34 acquired by a suction flow acquiring means 14 and factors of a plurality of linear expressions. Furthermore, the candidate value of the expansion ratio is calculated by entering the exhaust pressure candidate value, and among a plurality of expansion ratio candidate values, one including the expansion ratio candidate value in the expansion ratio division of the linear expression corresponding to the expansion ratio candidate value is extracted, and the exhaust pressure candidate value used in calculating the extracted expansion ratio candidate value is decided as the exhaust pressure before passing the turbine wheel 36, and the control of the internal combustion engine 33 is conducted on the basis of the decided exhaust pressure.
    • 解决的问题:提供一种能够在不执行重复计算的情况下确定排气压力的内燃机的控制装置。 解决方案:在通过涡轮机叶轮36相对于膨胀比的排气流量的变化率的特性在控制部分20中确定,其中涡轮机叶轮36的特征公式除以除法 的膨胀比并且近似于线性表达式被存储。 控制部20在通过由吸引流量取得单元14取得的压缩机叶轮34之后的吸入流量和多个线性式的要素之间,计算出通过涡轮机叶轮36之前的排气压力的候选值。 此外,通过输入排气压力候补值来计算膨胀比的候选值,并且在多个膨胀比候选值中,包括与膨胀比对应的线性表达式的膨胀比分割中的膨胀比候选值 提取候选值,并且将用于计算提取的膨胀比候选值的排气压力候选值确定为通过涡轮机轮36之前的排气压力,并且内燃机33的控制基于所决定的 排气压力。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Clutch engagement discriminating device
    • 离合器识别装置
    • JP2010163884A
    • 2010-07-29
    • JP2009004691
    • 2009-01-13
    • Toyota Motor Corpトヨタ自動車株式会社
    • TAKAHASHI KIYONORISATA KOTA
    • F02D29/00
    • PROBLEM TO BE SOLVED: To discriminate the engaged state of a clutch with high accuracy.
      SOLUTION: This clutch engagement discriminating device 100 in a vehicle 10 including an MT (manual transmission) 400 and the clutch 300 installed between a crankshaft 202 of an internal combustion engine 200 and the MT includes: a first computing means 100 computing the variation of angular speed of the crankshaft in one combustion stroke of the internal combustion engine; a second computing means 100 computing a difference between an average value or peak value of angular speed of the crankshaft in the one combustion stroke and an average value or peak value in the other combustion stroke different from the one combustion stroke; a first correcting means 100 correcting the computed variation according to the computed difference; and a discriminating means 100 discriminating the engaged state of the clutch when a determination value set based on the corrected variation is a predetermined reference value or more.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:以高精度来区分离合器的接合状态。 解决方案:包括MT(手动变速器)400和安装在内燃机200的曲轴202和MT之间的离合器300的车辆10中的该离合器接合识别装置100包括:第一计算装置100, 在内燃机的一个燃烧冲程中曲轴的角速度的变化; 第二计算装置100计算一个燃烧行程中的曲轴的角速度的平均值或峰值与不同于一个燃烧冲程的另一个燃烧冲程中的平均值或峰值之间的差; 第一校正装置100,根据计算出的差校正计算出的变化; 以及鉴别装置100,当基于校正的变化而设定的判定值为规定的基准值以上时,判别离合器的接合状态。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Start control device for internal combustion engine
    • 开始内燃机控制装置
    • JP2009030496A
    • 2009-02-12
    • JP2007193898
    • 2007-07-25
    • Toyota Motor Corpトヨタ自動車株式会社
    • TAKAHASHI KIYONORISATA KOTA
    • F02D43/00F02D29/02F02D41/06F02D45/00F02P5/15
    • Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a start control device for an internal combustion engine capable of shortening start time of an internal combustion engine by push-start and accelerating according to demand of a driver. SOLUTION: An ECU 1 controls start of the internal combustion engine 50 by push-start in a vehicle provided with the internal combustion engine 50, and is provided with a specific intake air quantity control means controlling an electronic control throttle 10 based on accelerator operation quantity when the internal combustion engine 50 is started by push-start and a specific ignition timing control means controlling ignition timing of the internal combustion engine 50 based on accelerator operation quantity when the internal combustion engine 50 is started by push-start. The specific intake air quantity control means controls the electronic control throttle 10 to fully open an intake air passage when accelerator operation quantity is smaller than a predetermined value θth. The specific ignition timing control means controls ignition timing to a retarded side at higher speed as the accelerator operation quantity is smaller when the accelerator operation quantity is smaller than the predetermined value θth. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供一种内燃机的起动控制装置,其能够根据驾驶员的需要通过推动起动和加速来缩短内燃机的起动时间。 解决方案:ECU1通过在设置有内燃机50的车辆中的启动来控制内燃机50的启动,并且具有控制电子控制节流阀10的特定进气量控制装置,其基于 内燃机50通过推压启动时的加速器运转量,以及当通过推动启动来控制内燃机50启动时,基于加速器运转量来控制内燃机50的点火正时的特定点火正时控制单元。 特定进气量控制装置控制电子控制节流阀10,当加速器操作量小于预定值θth时,完全打开进气通道。 当加速器操作量小于预定值θth时,特定点火正时控制装置将加速器操作量较小时的点火正时控制到较高速度的延迟侧。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2009002165A
    • 2009-01-08
    • JP2007161032
    • 2007-06-19
    • Toyota Motor Corpトヨタ自動車株式会社
    • SATA KOTAUEDA KOICHI
    • F02D43/00F02D41/06F02D45/00F02P5/15
    • Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a technology capable of operating an internal combustion engine by appropriate fuel injection and intake air amounts.
      SOLUTION: A specific crank angle during a rotational speed transition period is set as a reference crank angle. A plurality of crank angles that come after the reference crank angle in order are set as crank angles for determination. Times for each of crank angles to advance from the reference crank angle to each of the crank angles for determination are set as respective crank angle advancement times for determination. Each of times it actually took to advance from the reference crank angle to each of the crank angles for determination during the rotational speed transition period are sequentially calculated as respective crank angle advancement times. A target value of ignition timing is changed only by an amount according to a difference between the actual crank angle advancement time and the crank angle advancement time for determination. The target value of the ignition timing is guarded by an advance guard and a delay guard. When the target value of the ignition timing is on the advance side than the advance guard, or when it is on the delay side than the delay guard, the fuel injection amount or the intake air amount is corrected (S210).
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够通过适当的燃料喷射和进气量来操作内燃机的技术。

      解决方案:将转速过渡期间的特定曲柄角设定为基准曲柄角。 将基准曲柄角之后的多个曲柄角设定为用于确定的曲柄角。 将用于确定的每个曲柄角从基准曲柄角推到每个曲柄角的次数被设定为用于确定的相应的曲柄角前进时间。 在旋转速度过渡期间确定的每个曲轴角度实际上要从基准曲柄角度前进到每个曲柄角度的次数被顺序地计算为相应的曲轴转角提前时间。 点火正时的目标值仅根据实际的曲柄角前进时间与用于确定的曲轴转角提前时间之间的差而改变。 点火正时的目标值由前卫和延时保护装置保护。 当点火正时的目标值超过前进保护装置的前进侧时,或者比延迟保护装置处于延迟侧时,校正燃料喷射量或进气量(S210)。 版权所有(C)2009,JPO&INPIT

    • 6. 发明专利
    • Fuel injection control device of internal combustion engine and method of fuel injection control
    • 内燃机燃油喷射控制装置及燃油喷射控制方法
    • JP2007327407A
    • 2007-12-20
    • JP2006158865
    • 2006-06-07
    • Toyota Motor Corpトヨタ自動車株式会社
    • UEDA KOICHISATA KOTA
    • F02D41/06F02D45/00
    • PROBLEM TO BE SOLVED: To properly control the injection of fuel, for example, during the start of an internal combustion engine.
      SOLUTION: This fuel injection control device 6 of an internal combustion engine comprises an injection means 8 for injecting fuel, measuring means 3, 5 for measuring the torque information ac1 on the torque generated in the explosion stroke of the initial cycle during the start of the internal combustion engine, a calculation means 6 for calculating the inflow amount fca1 of the fuel effectively flowing in a cylinder according to the measured torque information, an estimating means 6 for estimating the initial residual amount fw1 of the fuel remaining in the cylinder during starting according to a predetermined amount fi1 and the inflow amount, and a control means 6 for so controlling the injection means that injects the fuel of an amount requested by the internal combustion engine in normal cycles after the initial cycle according to the initial residual amount.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了适当地控制燃料的喷射,例如在内燃机启动期间。 解决方案:内燃机的燃料喷射控制装置6包括用于喷射燃料的喷射装置8,用于测量扭矩信息ac1的测量装置3,5,用于在该时间段期间在初始循环的爆发冲程中产生的扭矩 内燃机起动的计算装置6,用于根据测量的转矩信息计算在气缸中有效流动的燃料的流入量fca1的计算装置6,用于估计残留在气缸中的燃料的初始残留量fw1的估计装置6 根据预定量fi1和流入量起动时的控制装置6以及用于控制喷射装置的控制装置6,该喷射装置根据初始剩余量在初始循环之后的正常循环中喷射由内燃机请求的量的燃料 。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Control device
    • 控制装置
    • JP2014164340A
    • 2014-09-08
    • JP2013032322
    • 2013-02-21
    • Toyota Motor Corpトヨタ自動車株式会社Nagoya Univ国立大学法人名古屋大学
    • SATA KOTAKAKO JUNICHIWATANABE SATOSHISUZUKI YUTAEDAHIRO MASATO
    • G05B11/36G05B17/02
    • G05B11/42G05B11/36G05B17/02G05B2219/23217
    • PROBLEM TO BE SOLVED: To reduce the calculation time by parallelization of calculations related to feedback control in a control device which determines an operation amount of a control object by feedback control.SOLUTION: A control device has calculation devices 45 and 46 which operate in parallel. A sensor value y of a control amount is input in the first calculation device 45 in order of transmission of signals, and a correction amount for an operation amount u is output from the last calculation device 46 in order of transmission of signals. The calculation device 45 has a controller 23 which processes the input sensor value y and acquires an output. The calculation device 46 has a delay element 22 which delays an input by a prescribed number of steps and a controller 17 which processes the delayed input and acquires an output.
    • 要解决的问题:通过与通过反馈控制确定控制对象的操作量的控制装置中的与反馈控制有关的计算的并行化来减少计算时间。解决方案:控制装置具有并行操作的计算装置45和46 。 控制量的传感器值y按照信号的发送顺序被输入到第一计算装置45中,并且根据信号的发送顺序从最后计算装置46输出用于操作量u的校正量。 计算装置45具有处理输入传感器值y并获取输出的控制器23。 计算装置46具有将输入延迟预定步数的延迟元件22和处理延迟输入并获取输出的控制器17。
    • 8. 发明专利
    • Egr valve control device and program
    • EGR阀控制装置和程序
    • JP2011179448A
    • 2011-09-15
    • JP2010046042
    • 2010-03-03
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • JINBO TOMOHIKOSATA KOTA
    • F02M25/07F02D9/02F02D13/02F02D21/08
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To prevent an EGR rate from exceeding an upper limit value in the process converging the EGR rate to a target value. SOLUTION: A calculation part 24 of an EGR valve control device 10 calculates the opening of an EGR valve 14 in a delay period from the present time when an opening command of a throttle valve 18 is received to an actuation time when the throttle valve 18 is opened according to the opening command. In a storage part 26 of the EGR valve control device 10, the target value of the EGR rate is stored, and at the same time, the upper limit value of the EGR rate is stored as a constraint. The calculation part 24 calculates the opening of the EGR valve 14 within a range not deviating from the constraint in order to converge the EGR rate to the target value. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了防止在将EGR率收敛到目标值的过程中EGR率超过上限值。 解决方案:EGR阀控制装置10的计算部24在从节气门18的打开指令被接收到当前节流阀18的启动时间的当前时间的延迟期间内计算EGR阀14的开度 阀18根据打开指令打开。 在EGR阀控制装置10的存储部26中,存储EGR率的目标值,并且同时存储EGR率的上限值作为约束。 计算部24在不偏离约束的范围内计算EGR阀14的开度,以将EGR率收敛到目标值。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Fuel property determination device for internal combustion engine
    • 用于内燃机的燃油特性测定装置
    • JP2010031800A
    • 2010-02-12
    • JP2008196650
    • 2008-07-30
    • Toyota Motor Corpトヨタ自動車株式会社
    • SATA KOTA
    • F02D45/00
    • PROBLEM TO BE SOLVED: To provide a fuel property determination device for an internal combustion engine capable of accurately determining fuel properties. SOLUTION: The internal combustion engine is provided with a first injector 45 capable of injecting fuel to an intake port 19, and a second injector 46 capable of injecting the fuel to a combustion chamber 18, and a fuel injection ratio of the first injector 45 and the second injector 46 can be varied in accordance with an operation state of the engine by an ECU 71. When the fuel injection ratio of the second injector 46 is varied to be large and the fuel injection ratio of the first injector 45 is varied to be small and an engine speed change rate is larger than a threshold set in advance, the ECU 71 determines the fuel as heavy fuel. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够精确地确定燃料特性的内燃机的燃料特性确定装置。 解决方案:内燃机设置有能够将燃料喷射到进气口19的第一喷射器45和能够将燃料喷射到燃烧室18的第二喷射器46,以及第一喷射器45的燃料喷射比率 喷射器45和第二喷射器46可以根据ECU 71的发动机的操作状态而变化。当第二喷射器46的燃料喷射比变化较大并且第一喷射器45的燃料喷射比为 变化小,发动机转速变化率大于预先设定的阈值,ECU71将燃料判定为重质燃料。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Start control system for internal combustion engine
    • 内燃机起动控制系统
    • JP2009299570A
    • 2009-12-24
    • JP2008154553
    • 2008-06-12
    • Toyota Motor Corpトヨタ自動車株式会社
    • SATA KOTA
    • F02D15/02F02D13/02F02D43/00F02D45/00
    • PROBLEM TO BE SOLVED: To improve drivability and emission in start of an internal combustion engine the compression ratio of which can be changed.
      SOLUTION: In a start control system for an internal combustion engine the compression ratio of which can be changed, an occurrence of knocking is avoided by decreasing a compression ratio during a period from the beginning of the start of the internal combustion engine until an engine speed exceeds a predetermined complete explosion determination value. Extension of a starting period and deterioration in emission are suppressed by increasing the compression ratio, when an increasing speed of the engine revolution during the period is lower than a predetermined lower limit value.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了改善内燃机启动时的驱动能力和排放,其压缩比可以改变。 解决方案:在内燃机的压缩比可以改变的启动控制系统中,通过在从内燃机起动开始的一段时间内减小压缩比来避免爆震的发生,直到 发动机转速超过预定的完全爆炸判定值。 当期间发动机转速的增加速度低于预定的下限值时,通过增加压缩比来抑制起动时间的延长和发射的劣化。 版权所有(C)2010,JPO&INPIT