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    • 5. 发明公开
    • Control system for an automatic transmission
    • 自动变速器的控制系统
    • EP0742389A3
    • 1996-11-20
    • EP96107401.0
    • 1996-05-09
    • AISIN AW CO., LTD.
    • Kousaka, YuukiHayabuchi, MasahiroYamamoto, YoshihisaTsutsui, HiroshiFujita, Yasuhiro
    • F16H61/06
    • F16H61/20B60W30/18118B60W2510/0652F16H59/24F16H59/36F16H59/44F16H59/54F16H61/0059F16H2059/385F16H2061/205F16H2061/207F16H2312/022Y10T477/638Y10T477/688Y10T477/69387Y10T477/6939
    • A control system for an automatic transmission, comprising: a clutch adapted to be applied when a forward running range is selected, to transmit the rotation of an engine to the transmission mechanism of a speed change unit; hydraulic servo for applying/releasing the clutch; and a control unit for controlling the oil pressure to be fed to the hydraulic servo. The control unit includes: application starting pressure detecting means for detecting an application starting pressure at the instant when the application of a clutch is started; initial application pressure setting means for setting an initial application pressure on the basis of the application starting pressure which is detected by the application starting pressure detecting means; and oil pressure adjusting means for adjusting the oil pressure to be fed to a hydraulic servo, when a change is made to a forward running range, and then raising the same gradually. The application starting pressure to be detected by the application starting pressure detecting means takes the value at which the application of the clutch is actually started, so that the initial application pressure can be properly set even if the actual oil pressure to be fed to the hydraulic servo is varied by the dispersion in the urging force of a return spring or by the dispersion in a hydraulic control system.
    • 1。一种自动变速器的控制装置,其特征在于,具备:离合器,其在选择了前进行驶档时适用,将发动机的旋转传递给变速单元的变速机构; 用于施加/释放离合器的液压伺服机构; 以及控制单元,用于控制将被供给到液压伺服机构的油压。 控制单元包括:施加启动压力检测装置,用于检测在离合器的应用开始时刻的施加启动压力; 初始施加压力设定装置,用于根据施加开始压力检测装置检测到的施加开始压力来设定初始施加压力; 以及油压调整单元,其在向前进行驶区域变化时,调整向液压伺服机构供给的油压,然后逐渐升高。 由施加启动压力检测装置检测的施加启动压力取实际开始施加离合器的值,使得即使供给到液压的实际油压也能适当地设定初始施加压力 伺服通过复位弹簧的推力的分散或通过液压控制系统中的分散而变化。
    • 7. 发明公开
    • Control system for automatic transmission
    • 自动变速器控制系统
    • EP0709601A2
    • 1996-05-01
    • EP95116043.1
    • 1995-10-11
    • AISIN AW CO., LTD.
    • Iwata, AkihitoTsukamoto, KazumasaMikami, KazuhiroHayabuchi, MasahiroYamamoto, Yoshihisa
    • F16H61/06
    • F16H61/20B60W30/18118F16H59/22F16H59/36F16H59/44F16H59/48F16H59/54F16H59/72F16H61/0267F16H61/0437F16H61/061F16H2059/6807F16H2061/044F16H2061/205F16H2061/207F16H2312/022Y10T477/646Y10T477/681
    • A control system for an automatic transmission, comprising: a fluid transmission unit for transmitting the rotation of an engine to a speed change unit (16); a clutch (C₁) adapted to be applied when a forward running range is selected; a one-way clutch (F₂) adapted to be locked, when the clutch is applied, for establishing a forward first speed; a brake (B₁) for locking the one-way clutch, when locked, to block the backward rotation of the output shaft (23) of the speed change unit; a first hydraulic servo (91) for applying the clutch when fed with an oil pressure; a second hydraulic servo (92) for applying the brake when fed with an oil pressure; and a control unit (94) for controlling the oil pressures to be fed to the first hydraulic servo and the second hydraulic servo. The control unit includes: oil pressure feed means for starting the feed of the oil pressure to the second hydraulic servo if the forward running range is selected, if the vehicle is substantially in a stop state, if the engine is in an idling state and if the foot brake is in an active state; and pressure reducing means for starting the pressure reduction of the first hydraulic servo at a set timing and starting the shift of the applied state to the slipping state of the clutch at and after the timing, in which the movement of the piston in the piston stroke of the second hydraulic servo ends so that the application of the brake is started.
    • 1。一种自动变速器的控制装置,其特征在于,具备:流体传动部,其将发动机的旋转传递给变速部; 一个离合器(C 1),适用于当选择一个前进行驶范围时应用; 一个单向离合器(F 2),适用于当施加离合器时锁定,以建立前进的第一速度; 用于在锁定时锁定单向离合器的制动器(B 1)阻止变速单元的输出轴(23)的反向旋转; 第一液压伺服机构(91),用于在供给油压时施加离合器; 第二液压伺服机构(92),用于在供给油压时施加制动器; 和控制单元(94),用于控制供给到第一液压伺服机构和第二液压伺服机构的油压。 控制单元包括:油压供给装置,用于如果选择前进行驶范围,则在车辆基本上处于停止状态时,如果发动机处于空转状态,则开始向第二液压伺服机构供给油压,并且如果 脚制动器处于活动状态; 以及减压装置,用于在设定的正时开始第一液压伺服机构的减压,并且在正时和之后开始将施加状态切换到离合器打滑状态,其中活塞行程中的活塞移动 第二液压伺服机构的端部结束,从而开始施加制动。
    • 8. 发明公开
    • Control system for automatic transmissions
    • 自动变速器控制系统
    • EP0645559A1
    • 1995-03-29
    • EP94114786.0
    • 1994-09-20
    • AISIN AW CO., LTD.
    • Tsutsui, HiroshiYamamoto, Yoshihisa
    • F16H61/02
    • F16H61/0213B60W40/09F16H2059/003F16H2061/0015F16H2061/0084F16H2061/0087F16H2061/0223F16H2061/0225Y10S706/905Y10T477/60
    • A control system for an automatic transmission, which can easily achieve a variety of shift patterns according to the taste of a driver and the situations of a running road. The control system comprises: a neural network; and a mode switch means for switching a teaching mode and an automatic mode. The neural network learns in the teaching mode and neuro-computes to output a gear ratio in the automatic mode. Further comprised are: tolerance error compute means for computing a tolerance error on the basis of at least one of th propriety of a teaching gear ratio, the ambiguity of an input value and the ambiguity of the teaching gear ratio; pattern produce means for producing a learning pattern; and combined load correct means for correcting the coupled loads of the neural network on the basis of the pattern produce means.
    • 本发明提供一种自动变速器的控制系统,能够根据驾驶者的喜好和行驶道路的状况容易地实现各种变速模式。 该控制系统包括:神经网络; 以及用于切换示教模式和自动模式的模式切换装置。 神经网络在教学模式下学习,神经计算以自动模式输出齿轮比。 进一步包括:公差误差计算装置,用于基于教学齿轮比的适当性,输入值的模糊性和教学齿轮比的模糊度中的至少一个来计算容差误差; 模式产生用于产生学习模式的装置; 以及用于基于图案产生装置来校正神经网络的耦合负载的组合负载校正装置。