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    • 1. 发明专利
    • Controller and control method for automatic transmission
    • 自动变速箱控制与控制方法
    • JP2009041602A
    • 2009-02-26
    • JP2007204868
    • 2007-08-07
    • Hitachi Ltd株式会社日立製作所
    • YOSHIDA YOSHIYUKIMATSUMURA TETSUOFUJIMOTO KINYAKIYOMIYA DAIJI
    • F16H61/12
    • PROBLEM TO BE SOLVED: To provide a controller and control method for an automatic transmission including an automatic MT system as improvement of a conventional arrangement involving such problems that the failed part may widen owing to an erroneous determination etc. in locating the failed part when troubleshooting for each constituent part is executed, followed by a failsafe control for the failed constituent part, and that provision of the failsafe control for each constituent part should bring about further complication of the control specifications and an increase in the man-days for development.
      SOLUTION: The arrangement includes n pieces of failure determining means a1-a3 to determine the failure condition of each constituent part and failsafe mode executing means a5-a8 in m pieces as less than the number of failure determining means which are free of occurrence of a runaway, engine stall, or steep deceleration even if the failure generation is in the peripheral or associated part(s) inferred from the troubled zone and are previously integrated and/or grouped to enable securing the operating condition not resulting in a double failure, whereby when a failure generation is sensed and determined, that one of the m pieces of failsafe modes which corresponds to the failed part is selected.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供一种包括自动MT系统的自动变速器的控制器和控制方法,作为改进常规布置,其中涉及这样的问题,即由于错误的确定等导致故障部件在定位失败时可能变宽 执行每个组成部分的故障排除部分,然后对失败的组成部分进行故障安全控制,并且为每个组成部分提供故障安全控制应该进一步导致控制规范的复杂化,并增加人员日 发展。 解决方案:该装置包括n个故障确定装置a1-a3,用于确定每个构成部件的故障状态和故障安全模式执行装置a5-a8,其中m个小于无故障确定装置的数量, 发生失控,发动机失速或急剧减速,即使故障发生在从故障区域推断的外围设备或相关部件中,并且预先集成和/或分组,以确保操作条件不导致双重 故障,由此当感测和确定故障产生时,选择与故障部件对应的m条故障安全模式中的一条。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Device and method for shift control of automatic transmission
    • 自动变速箱换档控制装置及方法
    • JP2009204132A
    • 2009-09-10
    • JP2008048999
    • 2008-02-29
    • Hitachi Ltd株式会社日立製作所
    • KIYOMIYA DAIJIMATSUMURA TETSUOYOSHIDA YOSHIYUKIFUJIMOTO KINYA
    • F16H61/00F16H59/40F16H61/688
    • PROBLEM TO BE SOLVED: To provide a shift control device and shift control method of an automatic transmission which enables prompt re-acceleration after vehicle stop by eliminating delay time due to re-acceleration achievable gear stage engaging operation.
      SOLUTION: In an automatic MT including a vehicle stop time automatic down shift function and manual speed-change mode and executing pre-shift control, a power train control unit 100 detects output shaft rotation speed of a transmission, and selects a re-acceleration achievable gear train in accordance with vehicle speed calculated from the detected output shaft rotation speed to put the gear train on stand-by in a coupled state.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种自动变速器的变速控制装置和变速控制方法,其能够通过消除由于可再加速实现的齿轮级接合操作引起的延迟时间而能够在车辆停止后立即重新加速。 解决方案:在包括停车时间自动换档功能和手动变速模式以及执行换挡前控制的自动变速箱中,动力传动系控制单元100检测变速器的输出轴转速,并选择再次 - 根据检测到的输出轴转速计算出的车速可实现的齿轮系,以使齿轮系处于待机状态。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Method and device for controlling automatic transmission
    • 用于控制自动变速器的方法和装置
    • JP2008190701A
    • 2008-08-21
    • JP2007028662
    • 2007-02-08
    • Hitachi Ltd株式会社日立製作所
    • SHISHIDO KENTAROYOSHIDA YOSHIYUKIMATSUMURA TETSUOFUJIMOTO KINYAKIYOMIYA DAIJI
    • F16H61/04F16H59/70F16H61/682F16H61/688
    • F16H3/006
    • PROBLEM TO BE SOLVED: To solve problem of a conventional automobile on which a single clutch automatic MT, a twin clutch automatic MT, a torque assisted automatic MT with a drag torque, etc. are mounted wherein the drag torque may act thereon as a blocking action (blocking force) when gears are disengaged or engaged.
      SOLUTION: In this method of controlling a gear transmission having pairs of gears capable of transmitting torque from the input shaft of the transmission to the output shaft of the transmission, engagement transmission mechanisms for changing a torque transmission path from the pairs of gears to the other pairs of gears, and at least one transmission torque variable mechanism between the output shaft of a motor and the output shaft of the transmission, the transmission has a means for obtaining a drag torque by estimation or detection. When the connection between the pair of gears and the engagement transmission mechanism is changed from a first connection to a second connection, a control amount for changing the connection is corrected according to the drag torque.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了解决安装有单个离合器自动MT,双离合器自动MT,具有拖曳转矩等的转矩辅助自动MT的传统汽车的问题,其中拖曳扭矩可以作用在其上 作为齿轮脱离或接合时的阻塞作用(阻力)。 解决方案:在这种控制齿轮传动装置的方法中,所述齿轮传动装置具有能够将传动装置的输入轴传递到变速器的输出轴的转矩齿轮传动装置,用于改变来自齿轮对的转矩传递路径的啮合传动装置 到另一对齿轮,以及在电动机的输出轴和变速器的输出轴之间的至少一个传动扭矩可变机构,变速器具有通过估计或检测获得拖曳转矩的装置。 当一对齿轮和接合传动机构之间的连接从第一连接改变为第二连接时,根据拖曳扭矩来校正用于改变连接的控制量。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Control method and controller of clutch
    • 离合器的控制方法和控制器
    • JP2008045609A
    • 2008-02-28
    • JP2006219989
    • 2006-08-11
    • Hitachi Ltd株式会社日立製作所
    • KIYOMIYA DAIJIMATSUMURA TETSUOYOSHIDA YOSHIYUKIFUJIMOTO KINYASHISHIDO KENTARO
    • F16H61/04F16H59/46F16H59/48F16H61/662
    • PROBLEM TO BE SOLVED: To provide a control method of a start clutch, which ease shock feeling in engaging a start clutch by taking the acceleration of the input shaft rotational number into consideration in engaging the start clutch.
      SOLUTION: An automatic MT comprises: the start clutch 8 to transmit output torque of a drive power source 7 by adjusting the position or load of a pushing member to push a frictional surface, an input shaft 41 rotated by receiving the torque transmitted by the start clutch 8; an output shaft 42 to output torque to the drive shaft; and a plurality of connection mechanisms 1, 11, 21, ... to realize a predetermined change gear stage by connecting the input shaft 41 and the output shaft 42. A power train control unit 100 is a controller of the clutch to adjust the position of the pushing member or pushing load of the start clutch according to the acceleration of the input shaft rotational number before complete engagement of the start clutch 8 in which the difference between the rotational numbers of the drive power source and the input shaft converges.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种起动离合器的控制方法,其通过在接合起动离合器时考虑到输入轴转速的加速来缓和接合起动离合器的冲击感。 解决方案:自动MT包括:启动离合器8,通过调节推动构件的位置或负载来推动摩擦表面来传递驱动电源7的输出扭矩;输入轴41通过接收扭矩传递而旋转 通过起动离合器8; 输出轴42,用于向驱动轴输出扭矩; 以及多个连接机构1,11,21,...,以通过连接输入轴41和输出轴42来实现预定的变速级。动力传动系控制单元100是用于调节位置的离合器的控制器 或者在起动离合器8的完全接合之前根据输入轴转速的加速度推动起动离合器的推压负载,其中驱动动力源和输入轴的转数之间的差收敛于该起动离合器8。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Control device for automobile
    • 汽车控制装置
    • JP2008039159A
    • 2008-02-21
    • JP2006218024
    • 2006-08-10
    • Hitachi Ltd株式会社日立製作所
    • FUJIMOTO KINYAYOSHIDA YOSHIYUKIMATSUMURA TETSUOSHISHIDO KENTAROKIYOMIYA DAIJI
    • F16H59/68F02D45/00F16H59/72G01K7/00
    • PROBLEM TO BE SOLVED: To provide a control device for an automobile, capable of accurately controlling a vehicle even just after power on.
      SOLUTION: A CPU 101 stores an estimated value of clutch temperature in an EEPROM 102 together with an estimation time thereof. The CPU also stores an instruction value of fuel injection quantity with an instruction time thereof. Just after power on, the CPU 101 corrects the estimated value of that time by use of the estimated value of clutch temperature read in reference to time information for the estimation time of the estimated value of clutch temperature read from the EEPROM 102. The CPU also corrects the value of fuel injection quantity.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于汽车的控制装置,即使在接通电源之后也能够精确地控制车辆。 解决方案:CPU 101将其离合器温度的估计值及其估计时间连同其一起存储在EEPROM 102中。 CPU还存储具有指令时间的燃料喷射量的指令值。 刚刚接通电源后,CPU 101通过使用从EEPROM 102读取的离合器温度的估计时间的估计时间的时间信息,通过使用读取的离合器温度的估计值来校正该时间的估计值.CPU还 校正燃油喷射量的值。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Control method and control device for automobile
    • 汽车控制方法与控制装置
    • JP2009024646A
    • 2009-02-05
    • JP2007189969
    • 2007-07-20
    • Hitachi Ltd株式会社日立製作所
    • KIYOMIYA DAIJIMATSUMURA TETSUOYOSHIDA YOSHIYUKIFUJIMOTO KINYA
    • F02D29/00F16D25/12
    • PROBLEM TO BE SOLVED: To provide a control method and a control device for an automobile, shortening a time until start of creep and preventing racing of an engine speed, in an automatic MT performing pseudo creep operation. SOLUTION: A power train control unit 100 detects a position or a pressing load of a starting clutch 9. When the position of starting clutch 9 is closer to a release side than a position of the start of torque transmission by the starting clutch, or when the pressing load of the starting clutch 9 is smaller than a load in the start of the torque transmission by the starting clutch, an upper limit of torque of an engine 7 is limited to an engine torque upper limit value TTEMAX. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于汽车的控制方法和控制装置,在执行伪蠕变操作的自动MT中缩短开始蠕变并防止发动机转速的时间的时间。 解决方案:动力传动系控制单元100检测起动离合器9的位置或按压负载。当起动离合器9的位置比起动离合器的转矩传递开始位置更靠近释放侧时 ,或者当起动离合器9的按压负载小于起动离合器的转矩传递开始时的负载时,发动机7的转矩的上限被限制为发动机转矩上限值TTEMAX。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Control system and control method for automatic transmission
    • 自动变速控制系统及控制方法
    • JP2008180320A
    • 2008-08-07
    • JP2007015379
    • 2007-01-25
    • Hitachi Ltd株式会社日立製作所
    • FUJIMOTO KINYAYOSHIDA YOSHIYUKIMATSUMURA TETSUOSHISHIDO KENTAROKIYOMIYA DAIJI
    • F16H61/08F16H59/10F16H59/18F16H59/40F16H59/42F16H59/68F16H61/688
    • PROBLEM TO BE SOLVED: To provide a control system and a control method for a twin-clutch type automatic-transmission, which enables smooth return at failure in a pre-shift, and which can suppress deterioration of a synchromesh mechanism.
      SOLUTION: A transmission control unit 100 performs pre-shift control such that when a specified shift stage has been accomplished, on the basis of prediction results of a prediction means, the transmission control unit 100 operates a specified synchromesh mechanism, and brings a transmission input-shaft to which a friction transmission mechanism unused to accomplishment of the present shift stage and a transmission output-shaft into a state of connection on standby by means of a specified gear-train. In the case where the connecting operation of the synchromesh mechanism is not yet completed in the connecting operation of the synchromesh mechanism from the prediction results, the synchromesh mechanism is returned to the neutral position, and the friction transmission mechanism to be connected to the transmission input-shaft equipped with the specified gear train is connected on standby in preparation for a next speed change operation.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于双离合器式自动变速器的控制系统和控制方法,其能够在换档期间能够在故障时平滑地返回,并且可以抑制同步啮合机构的劣化。 解决方案:传输控制单元100执行预移位控制,使得当已经完成了指定的移位级时,基于预测装置的预测结果,传输控制单元100操作指定的同步机制,并带来 传动输入轴,其中不用于实现当前变速级的摩擦传动机构和通过指定的齿轮系的待机传动输出轴进入连接状态。 在预测结果的同步啮合机构的连接动作中,同步啮合机构的连接动作尚未完成的情况下,同步啮合机构返回到中立位置,而与传动输入端连接的摩擦传动机构 装有指定齿轮系的轴连接待机,准备下一个变速操作。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Device and method for controlling automobile
    • 用于控制汽车的装置和方法
    • JP2007232046A
    • 2007-09-13
    • JP2006053042
    • 2006-02-28
    • Hitachi Ltd株式会社日立製作所
    • SHISHIDO KENTAROKUROIWA HIROSHIMATSUMURA TETSUOFUJIMOTO KINYAKIYOMIYA DAIJI
    • F16H61/06F16H59/14F16H59/18F16H59/48F16H59/56F16H59/68F16H59/70F16H61/682
    • PROBLEM TO BE SOLVED: To provide a control method of an automatic transmission for an automobile capable of preventing deterioration of a speed changing feeling even upon a transmission input torque changing due to accelerator pedal step-back. SOLUTION: After increasing a transmission torque of a transmission torque variable mechanism C2 based on a speed change command from a first connection to a second connection, in the case of releasing the transmission torque variable mechanism C2 by a canceling demand of speed change using the transmission torque variable mechanism C2 before completion of speed change, the transmission 2 is controlled to change a release control amount of the transmission torque variable mechanism 2 per unit time according to the operating state of the vehicle. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种即使在由于加速器踏板踏板而导致的变速器输入转矩变化时也能够防止变速感的劣化的汽车自动变速器的控制方法。 解决方案:在根据从第一连接到第二连接的速度改变命令增加传动扭矩可变机构C2的传递扭矩之后,在通过速度变化的取消需求来释放传动扭矩可变机构C2的情况下 在变速完成之前使用传动扭矩可变机构C2,根据车辆的运行状态,控制变速器2,以每单位时间改变传动扭矩可变机构2的释放控制量。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Control device and control method of automatic transmission
    • 自动变速箱控制装置及控制方法
    • JP2006200640A
    • 2006-08-03
    • JP2005013584
    • 2005-01-21
    • Hitachi Ltd株式会社日立製作所
    • YOSHIDA YOSHIYUKIMATSUMURA TETSUOFUJIMOTO KINYASHISHIDO KENTAROKIYOMIYA DAIJI
    • F16H59/18F16H59/24F16H59/54F16H61/12F16H61/68F16H61/682
    • PROBLEM TO BE SOLVED: To provide a control device and a control method of an automatic transmission, which does not cause interference on vehicle decelerating performacne at a driver's brake operation by quickly estimating the abnormality in the case of throttle valve failure, etc.
      SOLUTION: An excessive torque determining means 310 estimates torque transmitted to a vehicle drive shaft, and determines whether or not it is excessive for driver's demand torque. A vehicle stop demand determing means 320 determines driver's intention to stop a vehicle from a brake operation amount. A torque cut-off determing means 330 outputs a cut-off signal to each control means to cut-off the torque transmission from an engine while excessive drive torque is generated for the driver's demand torque at the driver's vehicle stop. A starting clutch control means 340 outputs a releasing signal to a starting clutch actuator 10 to cut the engine torque transmission.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种自动变速器的控制装置和控制方法,其不会在驾驶员的制动操作中通过快速估计在节流阀故障的情况下的异常等而对车辆减速执行产生干扰 解决方案:过大的扭矩确定装置310估计传递到车辆驱动轴的扭矩,并且确定对于驾驶员的需求扭矩是否过大。 车辆停止需求确定装置320确定驾驶员停止车辆的制动操作量的意图。 扭矩切断装置330向每个控制装置输出切断信号,以在驾驶员的车辆停止时对驾驶员的需求扭矩产生过大的驱动转矩时,切断来自发动机的转矩传递。 起动离合器控制装置340向起动离合器致动器10输出释放信号,以切断发动机扭矩传递。 版权所有(C)2006,JPO&NCIPI