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1. 发明专利

JP2009024646A Control method and control device for automobile 审中-公开
标题翻译：汽车控制方法与控制装置
公开(公告)号：JP2009024646A
公开(公告)日：2009-02-05
申请号：JP2007189969
申请日：2007-07-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIYOMIYA DAIJI , MATSUMURA TETSUO , YOSHIDA YOSHIYUKI , FUJIMOTO KINYA
IPC分类号： F02D29/00 , F16D25/12
摘要： 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
摘要翻译：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

2. 发明专利

JP2008180320A Control system and control method for automatic transmission 审中-公开
标题翻译：自动变速控制系统及控制方法
公开(公告)号：JP2008180320A
公开(公告)日：2008-08-07
申请号：JP2007015379
申请日：2007-01-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： FUJIMOTO KINYA , YOSHIDA YOSHIYUKI , MATSUMURA TETSUO , SHISHIDO KENTARO , KIYOMIYA DAIJI
IPC分类号： F16H61/08 , F16H59/10 , F16H59/18 , F16H59/40 , F16H59/42 , F16H59/68 , F16H61/688
摘要： 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
摘要翻译：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

3. 发明专利

JP2007198514A Control device and control method for automobile 有权
标题翻译：用于汽车的控制装置和控制方法
公开(公告)号：JP2007198514A
公开(公告)日：2007-08-09
申请号：JP2006018359
申请日：2006-01-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YOSHIDA YOSHIYUKI , MATSUMURA TETSUO , SHISHIDO KENTARO
IPC分类号： F16H61/02 , F16H59/14 , F16H59/42 , F16H59/68 , F16H59/72 , F16H61/68 , F16H61/684 , F16H61/688
CPC分类号： F16H61/0021 , F16D25/123 , F16D48/066 , F16D2300/06 , F16D2500/1086 , F16D2500/30803 , F16D2500/30805 , F16D2500/3166 , F16D2500/5029 , F16D2500/5108 , F16D2500/70448 , F16H57/0434 , F16H57/0473 , F16H61/688 , F16H2061/0037 , Y10T74/19991
摘要： PROBLEM TO BE SOLVED: To realize improved shifting performance of an automatic transmission using a power transmission mechanism for performing transmission and release of power in a state of being lubricated by oil, improved safety, and improved fuel economy of an automobile. SOLUTION: The control device for an automobile includes: an actual drag torque calculating means a1 for obtaining the drag torque of the power transmission mechanism; a lubricating oil flow calculating means a3 for determining the flow of the lubricating oil based on the actual drag torque; a reference drag torque calculating means a2 for obtaining a reference drag torque which is to be a reference; a reference lubricating oil flow calculating means a4 for obtaining the flow of the reference lubricating oil based on the reference drag torque; a correction amount calculating means a5 for obtaining a correction value corresponding to a correction amount of the lubricating oil flow based on the lubricating oil flow and the reference lubricating oil flow; and a flow correcting means a7 for outputting a drive signal to an actuator for controlling the lubricating oil flow based on the correction value. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了在利用油润滑的状态下进行动力传递动力传递机构的自动变速器的变速性能的提高，提高了安全性，提高了汽车的燃油经济性。解决方案：用于汽车的控制装置包括：用于获得动力传递机构的拖曳扭矩的实际拖曳转矩计算装置a1; 润滑油流量计算装置a3，用于根据实际拖曳扭矩确定润滑油的流量; 用于获得作为基准的基准拖曳转矩的基准拖曳转矩计算装置a2; 用于基于参考拖曳扭矩获得基准润滑油的流量的基准润滑油流量计算装置a4; 校正量计算装置a5，用于获得与基于润滑油流量和基准润滑油流量的润滑油流量的校正量相对应的校正值; 以及流量校正装置a7，用于根据校正值将驱动信号输出到用于控制润滑油流量的致动器。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006226316A AUTOMOBILE CONTROLLER AND CONTROL METHOD 审中-公开
公开(公告)号：JP2006226316A
公开(公告)日：2006-08-31
申请号：JP2005037637
申请日：2005-02-15
申请人： HITACHI LTD
发明人： FUJIMOTO KINYA , YOSHIDA YOSHIYUKI , MATSUMURA TETSUO , SHISHIDO KENTARO , KIYOMIYA DAIJI
IPC分类号： F16D48/02
摘要： PROBLEM TO BE SOLVED: To provide a controller for an automatic clutch and a control method by which a gear shift time can be reduced by reducing a moving amount of a clutch when double clutch control is executed. SOLUTION: A means 120 for setting a target rotating synchronization time sets a rotating synchronization control time T as a target. A means 140 for calculating a target rotational frequency of an input shaft calculates a target rotational frequency TNi of an input shaft so as to establish a prescribed relation between a target rotational frequency of a gear and a rotational frequency of a sleeve. A means 130 for calculating target torque of a clutch calculates target torque Tc for engaging the clutch from the target rotating synchronization time T set by the means 120 for setting a target rotating synchronization time and the target rotational frequency TNi of the input shaft calculated with the means 140 for calculating a target rotational frequency of an input shaft. A clutch target calculating means 150 calculates a target position Tp or target pressure Tpp of the clutch during the double clutch control on the basis of the target torque Tc of the clutch calculated with the means 130 for calculating target torque of a clutch and clutch characteristics. COPYRIGHT: (C)2006,JPO&NCIPI

5. 发明专利

JP2006200640A Control device and control method of automatic transmission 审中-公开
标题翻译：自动变速箱控制装置及控制方法
公开(公告)号：JP2006200640A
公开(公告)日：2006-08-03
申请号：JP2005013584
申请日：2005-01-21
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YOSHIDA YOSHIYUKI , MATSUMURA TETSUO , FUJIMOTO KINYA , SHISHIDO KENTARO , KIYOMIYA DAIJI
IPC分类号： F16H59/18 , F16H59/24 , F16H59/54 , F16H61/12 , F16H61/68 , F16H61/682
摘要： 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
摘要翻译：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

6. 发明专利

JP2003035182A Fuel-pressure control device 有权
标题翻译：燃油压力控制装置
公开(公告)号：JP2003035182A
公开(公告)日：2003-02-07
申请号：JP2001225319
申请日：2001-07-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YOSHIDA YOSHIYUKI , IWAKI HIDEFUMI , AKASAKA NOBUHIRO , OKAMOTO TAKASHI
IPC分类号： F02M55/02 , F02D41/10 , F02D41/12 , F02M59/34 , F02M59/36
摘要： PROBLEM TO BE SOLVED: To provide a fuel-pressure control device capable of suppressing torque shock or fluctuation in revolution, immediately after the operation finishing by fuel supply stop, such as fuel cut and also widening a lean combustion region.
SOLUTION: The fuel pressure control device 100 controls the pressure of a fuel supplied from a high-pressure fuel pump 307 to an injector 304 via a pressure accumulation piping 303, and is provided with a condition materialization-determining means 101 for judging the shifting to a specified operation condition, such as fuel injection stop based on a prescribed parameter such as an engine revolution, a calculation means 102 for calculating, based on the parameter, a target fuel pressure value of the piping 303 immediately after terminating the specified operation condition, and a fuel supply control means 103 for forcibly stopping the fuel supply from the fuel pump 307 to the piping 303, in such a way that the pressure in the piping 303 reaches the above target value for an optional period during shifting to the specified operation condition.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种燃料压力控制装置，其能够在诸如燃料切断的燃料供给停止的操作完成之后立即抑制扭矩冲击或转动波动，并且还使贫燃生区域变宽。解决方案：燃料压力控制装置100通过压力累积管道303将从高压燃料泵307供给的燃料的压力控制到喷射器304，并且设置有条件物化确定装置101，用于判断向基于诸如发动机转数的规定参数的燃料喷射停止的指定操作条件，用于根据该参数计算在终止指定操作条件之后的管道303的目标燃料压力值的计算装置102，以及燃料供给控制装置103，用于将燃料泵307的燃料供给强制停止到管道303，使得管道303内的压力在转换到指定的运行条件期间达到上述目标值可选的时间段。

7. 发明专利

JP2001241348A FUEL INJECTION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JP2001241348A
公开(公告)日：2001-09-07
申请号：JP2000053367
申请日：2000-02-29
申请人： HITACHI LTD
发明人： YOSHIDA YOSHIYUKI , IWAKI HIDEFUMI
IPC分类号： F02D45/00 , B01D53/86 , B01D53/94 , F01N3/20 , F01N3/24 , F02D41/02 , F02D41/14
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection control device suitably correcting dispersion in an injector injecting amount among cylinders, and achieving high-precision air-fuel ratio control. SOLUTION: This fuel injection control device for an engine is provided with a by-cylinder rich/lean air-fuel ratio controlling means A6 for intentionally controlling a target air-fuel ratio to be a rich air-fuel ratio or a lean air-fuel ratio cylinder-by-cylinder or bank-by-bank; a by-cylinder correction amount calculating means A4 for estimating an actual fuel injection amount cylinder-by- cylinder or bank-by-bank from a deviation between an actual air-fuel ratio of each cylinder and the target air-fuel ratio, and calculating the fuel correction amount cylinder-by-cylinder or bank-by-bank from the estimated value, in a period of by-cylinder rich/lean air-fuel ratio controlling by the by-cylinder rich/ lean air-fuel ratio controlling means A6. The fuel injection amount cylinder-by- cylinder or bank-by-bank is corrected with the fuel correction amount calculated by the by-cylinder correction amount calculating means A4.

8. 发明专利

JP2001055063A DRIVING FORCE CONTROL DEVICE AND CONTROL METHOD OF AUTOMOBILE 失效
公开(公告)号：JP2001055063A
公开(公告)日：2001-02-27
申请号：JP2000213381
申请日：2000-07-10
申请人： HITACHI LTD
发明人： MINOWA TOSHIMICHI , OYAMA TAKASHIGE , KIMURA HIROSHI , YOSHIDA YOSHIYUKI , NISHIMURA YUTAKA
IPC分类号： B60W10/04 , B60W10/02 , B60W10/06 , B60W10/10 , B60W10/11 , F02D29/00 , F02D41/04 , B60K41/06 , B60K41/00
摘要： PROBLEM TO BE SOLVED: To provide a sufficient coincidence feeling between driveability required by a driver and actual driveability following this by deciding engine torque and/or driving torque in response to a torque characteristic required by the driver by a torque control means. SOLUTION: A stroke of an accelerator pedal 1 is inputted to a driving torque control means 2 and/or an engine torque control means 3. The engine torque control means 3 and the driving torque control means 2 control respective constitutive apparatuses. Engine torque control is combined with shift control to perform driving torque control. A shift position and engine torque control, particularly, driving torque control by a combination of throttle opening can decide a vehicle speed obtained by a rotation sensor 12 and the stroke of the accelerator pedal 1. When using a high functional computer, cooperative control of an engine and a transmission can be performed by a single control means 13. A coincidence feeling of driveability can be obtained.

9. 发明专利

JP2000073873A EXHAUST GAS REFLUX CONTROL DEVICE 失效
公开(公告)号：JP2000073873A
公开(公告)日：2000-03-07
申请号：JP24630998
申请日：1998-08-31
申请人： HITACHI LTD , NISSAN MOTOR
发明人： HORI TOSHIO , YOSHIDA YOSHIYUKI , SHIGA YOSHIHIRO
IPC分类号： F02M25/07 , F02D21/08 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas reflux control device which prevents a driver from hearing mechanical noises at the time of calibration of a zero point of a step motor for driving an exhaust gas reflux control valve. SOLUTION: An exhaust has reflux control device has followings. A reflux pipe line 25 is used for flowing back exhaust gas in an exhaust pipe 24 to an intake air in an intake pipe 9. An exhaust gas reflux control valve 21 is operated for controlling an opening area arranged on a reflux pipe line 25. A step motor driving part 23 has a step motor 22 for driving an exhaust gas reflux control valve 21. A control unit 15 controls operation of the step motor driving part 23. In such an exhaust gas reflux control device, the step motor driving part 25 performs calibration of a zero point of a rotor position of the step motor 22 based on control signals from the control unit 15, immediately after starting an engine.

10. 发明专利

JPH10148144A DRIVING FORCE CONTROL DEVICE FOR AUTOMOBILE AND CONTROL METHOD THEREOF 失效
公开(公告)号：JPH10148144A
公开(公告)日：1998-06-02
申请号：JP32756197
申请日：1997-11-28
申请人： HITACHI LTD
发明人： MINOWA TOSHIMICHI , KIMURA HIROSHI , YOSHIDA YOSHIYUKI , NISHIMURA YUTAKA , OYAMA TAKASHIGE
IPC分类号： B60W10/04 , B60W10/06 , B60W10/10 , B60W10/11 , F02D11/10 , F02D29/00 , F02D29/02 , F02D41/04 , B60K41/06
摘要： PROBLEM TO BE SOLVED: To sufficiently match a drivability demanded by a driver and a real drivability of an automobile added thereto with each other by switching a first driving torque on the basis of an intake air rate and a second driving torque on the basis of a transmission gear ratio of an automatic transmission. SOLUTION: At the time of automobile operation, a step-down rate of an acceleration pedal 1, engine speed, and automobile speed are read in, it is judged in a control device 13 whether the automobile speed is (a) and less or not, and it is judged whether the step-down rate is (A) and less or not in the case where the vehicle speed is (a) and less. In the case where the step-down rate is (A) and less, a signal is outputted to command a gear position to 4-speed, and also a driving torque target value is judged. An engine torque is found out from the step-down rate by a function in which decelerating ratio is considered, a throttle opening is found out from the engine torque and the engine speed using a throttle opening map, and a driving map demanded by a driver is outputted by a throttle controller 6. In the case where the vehicle speed is (a) or more, 2-speed, 3-speed, and 4-speed are selected according to the vehicle speed.

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