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    • 1. 发明专利
    • 内燃機関の制御装置
    • 内燃机控制装置
    • JP2015017513A
    • 2015-01-29
    • JP2013143623
    • 2013-07-09
    • トヨタ自動車株式会社Toyota Motor Corp
    • YAMAMOTO SHUNSUKENAKAJIMA TOYOKAZU
    • F02D13/02F01L1/356
    • F01L1/3442F01L2001/0537F01L2001/3443F01L2001/34463F01L2001/34483F01L2250/02F01L2250/04F01L2800/00F02D13/02F02D13/0215F02D13/0234F02D13/0249F02D41/20F02D41/2451F02D2041/001F02D2041/1409F02D2041/2027
    • 【課題】ばね領域と非ばね領域のいずれか一方の領域の保持制御量の学習が連続してなされた場合でも、それら領域をまたいで目標バルブタイミングが変化するときの実バルブタイミングのハンチングを抑制することのできる内燃機関の制御装置を提供する。【解決手段】ばね領域と非ばね領域でOCVの保持デューティを学習する(ステップS130,S160)。学習されたばね領域の保持デューティが非ばね領域の保持デューティを下回るときには(ステップS140:YES)、学習されたばね領域の保持デューティと等しくなるように非ばね領域の保持デューティを都度更新する(ステップS150)。学習された非ばね領域の保持デューティがばね領域の保持デューティを上回るときには(ステップS170:YES)、学習された非ばね領域の保持デューティと等しくなるようにばね領域の保持デューティを都度更新する(ステップS180)。【選択図】図5
    • 要解决的问题:为了提供一种内燃机的控制装置,即使在弹簧区域和非弹簧中的任意一个中的保持控制量,也能够抑制在两个区域上改变目标气门正时时的实际气门正时的捕获 区域是连续的。解决方案:学习在弹簧区域和非弹簧区域中的OCV的保持任务(步骤S130,S160)。 当春季地区的学习任务低于非弹簧区域的保持职责时(步骤S140:是),每次改变非弹簧区域的保持占空比,使其等于所学习的保持占空比 (步骤S150)。 当非春季地区的学习持有责任超过春季地区的保持责任时(步骤S170:是),弹簧区域的保持占空比每次都变化,使得与非弹簧区域的学习保持占空比相等 (步骤S180)。
    • 2. 发明专利
    • Internal combustion engine valve timing control device
    • 内燃发动机阀定时控制装置
    • JP2014141900A
    • 2014-08-07
    • JP2013009419
    • 2013-01-22
    • Toyota Motor Corpトヨタ自動車株式会社
    • NAKAJIMA TOYOKAZUYAMAMOTO SHUNSUKE
    • F02D13/02F01L1/356
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To make it possible to achieve depression of a lock pin into a hole even if a locking control prohibits the lock pin from being depressed into the hole in a process of stopping an internal combustion engine.SOLUTION: A ratchet groove 32 that is shallower than a hole 30 in a housing 22 of a valve timing variable mechanism and into which a lock pin 31 of a lock mechanism 28 can be depressed is formed at a retarded position (left in the drawing) relative to the hole 30 so as to communicate with the hole 30 in the lock mechanism 28. If a locking control prohibits completion of depressing the lock pin 31 into the hole 30 in the process of stopping the internal combustion engine, a sub-locking control is executed as follows. That is, in the sub-locking control, after moving a rotor 21 to the most retarded position in a rotational direction relatively to the housing 22, the lock pin 31 is moved in a direction of depression into the hole 30 via hydraulic driving of the lock mechanism 28.
    • 要解决的问题:即使在停止内燃机的过程中锁定控制禁止锁定销被压入孔中,也可以将锁定销压入孔中。解决方案:棘轮槽32 比气门正时可变机构的壳体22中的孔30浅,并且锁定机构28的锁定销31可以相对于孔30形成在延迟位置(图中左侧),因此, 以与锁定机构28中的孔30连通。如果在停止内燃机的过程中锁定控制禁止将锁定销31压入孔30中,则如下执行副锁定控制。 也就是说,在副锁定控制中,在将转子21相对于壳体22沿旋转方向移动到最大延迟位置之后,锁定销31通过液压驱动而沿凹陷方向移动到孔30中 锁定机构28。
    • 3. 发明专利
    • Control device for valve timing variable mechanism
    • 阀门定时可变机构的控制装置
    • JP2014080948A
    • 2014-05-08
    • JP2012230810
    • 2012-10-18
    • Toyota Motor Corpトヨタ自動車株式会社
    • NAKAJIMA TOYOKAZUNAKAGAWA TAKASHIYAMAMOTO SHUNSUKE
    • F02D13/02F01L1/356F02D45/00
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To provide a control device for a valve timing variable mechanism capable of suppressing occurrence of a resonance state at a movable member without causing a deterioration of fuel consumption of an internal combustion engine and a deterioration of drivability and suppressing an increase in vibration of the movable member caused by the occurrence of the resonance state.SOLUTION: Under a state in which a relative rotation phase of an intake cam shaft 12 with respect to a crank shaft is held at a position where a movable member 19 of a valve timing variable mechanism 16 is energized by a spring 17, there is a possibility that the number of vibrations in torque variation of the intake cam shaft 12 to be transmitted to the movable member 19 coincides with the number of vibrations of the spring 17 to cause a resonance state. When the movable member 19 vibrates in its displacement direction due to occurrence of such the resonance state, a reciprocation control for suppressing it is performed. In the reciprocation control, according to adjustment of hydraulic pressure within an advance angle side hydraulic chamber 22 and hydraulic pressure within a retard angle side hydraulic chamber 23 based on positional adjustment of a spool 30 of an oil control valve 25, the movable member 19 reciprocates gently and in a small width in its displacement direction.
    • 要解决的问题:提供一种能够抑制可动部件发生共振状态的气门正时可变机构的控制装置,而不会引起内燃机的燃料消耗的恶化和驾驶性能的劣化,并且抑制了增加 进气凸轮轴12相对于曲轴的相对旋转相位保持在阀的可动件19的位置的状态下, 定时可变机构16由弹簧17激励,进入凸轮轴12的扭矩变化的振动次数可能与弹簧17的振动次数一致,导致弹簧17的振动次数 共振状态。 当可动构件19由于发生这种共振状态而在其位移方向上振动时,执行用于抑制它的往复运动。 在往复运动控制中,根据油压控制阀25的阀芯30的位置调整,根据提前角侧液压室22内的液压的调节和延迟角侧液压室23内的液压,可动部件19往复运动 在其位移方向上轻轻地并且具有小的宽度。
    • 5. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2012036766A
    • 2012-02-23
    • JP2010175489
    • 2010-08-04
    • Toyota Motor Corpトヨタ自動車株式会社
    • NAKAGAWA TAKASHIYAMAMOTO SHUNSUKEHANEHARA TOSHISUKE
    • F02D13/02F02D45/00
    • PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine, wherein even if instantaneous interruption occurs, the estimated accuracy of an operating position of an electric actuator after the instantaneous interruption is recovered is improved, and control of an engine state quantity is also suitably kept after the instantaneous interruption.SOLUTION: When energization of an EDU 203 is interrupted instantaneously, an ECU 4 stores the operating position of the electric actuator 2 immediately before the instantaneous interruption and estimates an operation amount of the electric actuator 2 during the instantaneous interruption according to an operation state of the electric actuator 2 immediately before the instantaneous interruption. In addition, the ECU 4 corrects the stored operating position of the electric actuator 2 immediately before the instantaneous interruption with the estimated operation amount of the electric actuator 2 during the instantaneous interruption, and thereby estimating the operating position of the electric actuator 2 after the instantaneous interruption is recovered.
    • 要解决的问题:提供一种内燃机的控制装置,其中即使发生瞬时中断,恢复了瞬时中断之后的电致动器的操作位置的估计精度,并且控制了 发动机状态量也适当地保持在瞬间中断之后。 解决方案:当EDU203的通电瞬时中断时,ECU4在瞬时中断之前存储电动执行机构2的动作位置,并根据操作估计电动执行器2的动作量 电动执行器2的状态在紧急瞬间中断之前。 此外,ECU4在瞬时中断期间用电动执行机构2的推定运转量修正紧急瞬间中断前的电动执行器2的存储动作位置,从而在瞬时中断后估计电动执行器2的动作位置 中断恢复。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Valve timing control device of internal combustion engine
    • 内燃机的时间控制装置
    • JP2014190295A
    • 2014-10-06
    • JP2013068160
    • 2013-03-28
    • Toyota Motor Corpトヨタ自動車株式会社
    • NAKAJIMA TOYOKAZUYAMAMOTO SHUNSUKENAKAGAWA TAKASHI
    • F02D13/02F01L1/356
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To shorten a time necessary for the completion of fixing at an intermediate lock phase of a relative rotation phase of a cam shaft with respect to a crank shaft in an engine stop process.SOLUTION: In an engine stop process, an oil control valve 25 is operated as follows for completing a prohibition operation of a lock mechanism. That is, a spool valve in displaced in a first region within a moving range of the spool valve in the oil control valve 25, and a relative rotation phase of an intake cam shaft 12 with respect to a crank shaft 7 is adjusted to an intermediate lock phase by the drive of a valve timing variable mechanism 16 through the displacement of the spool valve. After the adjustment is performed, the spool valve is moved to a second region for performing the prohibition operation of the lock mechanism from the first region. A moving speed of the spool valve at this time is made higher than that at the time of the displacement of the spool valve in the first region for adjusting the relative rotation phase to the intermediate lock phase.
    • 要解决的问题:缩短在发动机停止过程中在凸轮轴相对于曲轴的相对旋转相位的中间锁定阶段完成固定所需的时间。解决方案:在发动机停止过程中, 如下操作油控制阀25,以完成锁定机构的禁止操作。 也就是说,在油控阀25中的滑阀的移动范围内的第一区域中移动的滑阀,并且进气凸轮轴12相对于曲轴7的相对旋转相位被调节到中间 通过阀芯定位可变机构16的驱动通过滑阀的位移来锁定相位。 在执行调整之后,滑阀被移动到用于执行锁定机构从第一区域的禁止操作的第二区域。 此时的滑阀的移动速度比在第一区域中的滑阀位移时的移动速度高,用于将相对旋转相位调整到中间锁定相位。
    • 7. 发明专利
    • Variable valve system control device
    • 可变阀系统控制装置
    • JP2012117430A
    • 2012-06-21
    • JP2010266930
    • 2010-11-30
    • Toyota Motor Corpトヨタ自動車株式会社
    • NAKAGAWA TAKASHIYAMAMOTO SHUNSUKE
    • F01L1/46F01L13/00F02D13/02
    • F01L1/34F01L2001/186F01L2800/00F01L2800/11F01L2820/032F02D41/0002F02D41/221F02D41/2438F02D41/2464F02D2041/001Y02T10/42
    • PROBLEM TO BE SOLVED: To provide a variable valve system control device that can swiftly perform a sticking determination under a circumstance where an operating position of an actuator is unknown.SOLUTION: In the variable valve system capable of changing an angle of action of intake valves by using an actuator whose movement range is between a high end and a low end at which the movement of the actuator is mechanically stopped, the sticking determination is made by (S102-NO) where an actual operation amount of the actuator in response to an operation command A to the low end when a current operating position of the actuator is unknown is equal to or less than a predetermined operating determination value a, and (S108:NO) where an actual operation amount of the actuator in response to an operating command B to the high end, the instruction is made after the command A is equal to or lower than a predetermined operation determination value b.
    • 要解决的问题:提供一种可变阀系统控制装置,其可以在未知执行器的操作位置的情况下快速执行粘着确定。 解决方案:在可变阀系统中,能够通过使用致动器来改变进气门的作用角,该致动器的运动范围在机械地停止致动器的运动的高端与低端之间, 由(S102-NO)作出,其中当致动器的当前操作位置未知时,响应于到低端的操作命令A的致动器的实际操作量等于或小于预定操作确定值a, 和(S108:否),其中执行器的实际操作量响应于高端的操作命令B,在命令A等于或低于预定操作判定值b之后进行指令。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Control apparatus for variable mechanism
    • 可变机械的控制装置
    • JP2012002130A
    • 2012-01-05
    • JP2010137355
    • 2010-06-16
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMAMOTO SHUNSUKENAKAGAWA TAKASHIHANEHARA TOSHISUKE
    • F02D13/02F02D45/00
    • F01L13/00F01L13/0015F01L13/0021F01L13/0063F01L2800/14F01L2820/032F02D13/02F02D41/221F02D41/2438F02D41/2464F02D2041/001F02D2041/228F02D2250/16Y02T10/18Y02T10/40
    • PROBLEM TO BE SOLVED: To accurately determine that a foreign substance is caught on a side of a site corresponding to one of two restriction members in a movable range of a movable member, which is restricted by the two restriction members, when this situation occurs.SOLUTION: An electronic control unit 5 drives a control shaft 3 toward a Lo end-side stopper 22 when a learning condition is fulfilled, and learns a stroke counter value as a reference rotational phase when stoppage of displacement of the shaft 3 is determined. When supply of electric power to the electronic control unit 5 is stopped, a stroke counter value (initial reference position) of the shaft 3 is learned. When electric power is supplied to the electronic control unit 5, the shaft 3 is driven toward the stopper 22 from an initial reference rotational phase learned at the last stop of supply of electric power, and a displacement amount (one-side displacement amount) of the shaft 3 from the initial reference rotational phase until determined stop of the displacement of the shaft 3 is calculated. If the one-side displacement amount is smaller than the initial reference rotational phase, it is determined that a foreign substance is caught on the side of a site corresponding to the stopper 22 in the movable range of the shaft 3.
    • 要解决的问题:为了准确地确定异物被捕获在与由两个限制部件限制的可动部件的可移动范围内的两个限制部件中的两个限制部件之一相对应的位置的一侧,当 情况发生。 解决方案:当学习条件满足时,电子控制单元5将控制轴3驱动到Lo端侧止动器22,并且当轴3的位移停止为止时,学习行程计数器值作为参考旋转相位 决心。 当停止向电子控制单元5供给电力时,学习轴3的行程计数值(初始基准位置)。 当向电子控制单元5提供电力时,从最后停止供电时学习的初始参考旋转相位和从停止器22的位移量(单侧位移量) 轴3从初始参考旋转相位直到轴3的位移的确定停止被计算。 如果单侧位移量小于初始参考旋转相位,则在轴3的可移动范围内确定异物被卡在与止动件22相对应的位置的一侧。版权所有: (C)2012,JPO&INPIT
    • 9. 发明专利
    • 内燃機関の制御装置
    • 内燃机控制装置
    • JP2014202081A
    • 2014-10-27
    • JP2013076399
    • 2013-04-01
    • トヨタ自動車株式会社Toyota Motor Corp
    • YAMAMOTO SHUNSUKENAKAJIMA TOYOKAZU
    • F02D13/02F01L1/356
    • F02D13/0203F01L1/344F01L1/3442F01L1/356F01L2001/34453F01L2001/34476F02D13/0219Y02T10/18
    • 【課題】クランク軸に対する吸気カム軸の相対回転位相を中間位相に固定する際に、機関出力が急に変動することを好適に抑制することができる。【解決手段】電子制御装置90は、吸気カム軸17の相対回転位相Pinに応じて排気カム軸18の相対回転位相Qexを制御する一方、吸気カム軸17の相対回転位相Pinを中間位相Prockに固定する要求が出された場合には、吸気カム軸17の相対回転位相Pinとは独立して排気カム軸18の相対回転位相Qexが中間位相Prockに対応する位相Qrockに変更されるように排気カム軸18の相対回転位相Qexを制御する制御部91を備える。【選択図】図1
    • 要解决的问题:适当地抑制将进气凸轮轴相对于曲轴固定到中间相的发动机输出的突然变化。解决方案:电子控制装置90包括控制单元91,控制单元91 根据进气凸轮轴17的相对旋转相位Pin控制排气凸轮轴18的相对旋转相位Qex,另一方面,当将进气凸轮轴17的相对旋转相位Pin固定到 发出中间相位Prock,控制排气凸轮轴18的相对旋转相位Qex,使得排气凸轮轴18的相对旋转相位Qex与相对旋转相位Pin相对应的相位Qrock变化为与中间相位Prock对应的相位Qrock 的进气凸轮轴17。
    • 10. 发明专利
    • Valve timing control device of internal combustion engine
    • 内燃机的时间控制装置
    • JP2014181676A
    • 2014-09-29
    • JP2013058400
    • 2013-03-21
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMAMOTO SHUNSUKENAKAJIMA TOYOKAZU
    • F01L1/356F01L13/00F02D13/02
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To suppress deterioration of an engine operation state caused by change of a relative rotation phase of a cam shaft to a crank shaft from an intermediate lock phase, due to variation of an operation of an oil control valve, to an operation command value during filling a valve timing variable mechanism with oil.SOLUTION: An operation command value of an oil control valve 25 is set to a filling command value stored in a non-volatile RAM of an electronic control device 51 to set an operation mode of the valve 25 to an oil filling mode. A relative rotation phase of an intake cam shaft 12 to a crank shaft 7 may be changed from an intermediate lock phase to an advancing side due to variation of an operation of the oil control valve 25 to the operation command value (filling command value). When the change occurs, the filling command value is updated to a value in the direction to suppress the variation, and the filling command value after updating is stored in the non-volatile RAM of the electronic control device 51.
    • 要解决的问题:为了抑制由于油控制阀的操作的变化而导致的由中间锁定相位将凸轮轴相对于曲轴的相对旋转相位变化引起的发动机运转状态的劣化, 在用油填充气门正时可变机构时的指令值。解决方案:将油控制阀25的操作指令值设定为存储在电子控制装置51的非易失性RAM中的填充指令值,以设定操作模式 阀25进入注油模式。 进气凸轮轴12与曲轴7的相对旋转相位可以由于油控制阀25的操作变化到操作指令值(填充指令值)而从中间锁定相位改变为前进侧。 当发生变化时,填充命令值被更新为抑制变化的方向的值,并且更新后的填充命令值被存储在电子控制装置51的非易失性RAM中。