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    • 4. 发明授权
    • Control system for automatic vehicle transmission
    • 自动车辆传动控制系统
    • US6085139A
    • 2000-07-04
    • US964351
    • 1997-11-04
    • Norio NakauchiTatsuyuki Ohashi
    • Norio NakauchiTatsuyuki Ohashi
    • F16H59/08F16H59/40F16H59/66F16H61/02F16H59/04
    • F16H61/0213F16H59/66B60W2550/142F16H2059/006F16H2059/0239F16H2059/663F16H59/40Y10T477/65
    • A control system for an automatic vehicle transmission which has auto-shifting means or auto-shift mode for determining a gear to be shifted to in accordance with predetermined gearshift scheduling characteristics in response to the detected vehicle speed and the engine load, and manual-shifting means or manual-shift mode for determining a gear to be shifted to in response to a manual-shift command generated by the vehicle driver. The system further includes auto-downshifting means or sub-auto-shift mode for determining a gear to be downshifted to if the detected vehicle speed is less than a threshold value when the manual-shifting means is in operation. In the system it is estimated whether the vehicle is hill climbing or hill descending, and the threshold value is increasing when the vehicle is hill climbing or descending. With the arrangement, it becomes possible to downshift before the drivability or driver's comfort is degraded during the hill climbing or descending.
    • 一种用于自动车辆变速器的控制系统,其具有自动换档装置或自动换档模式,用于根据检测到的车速和发动机负载,根据预定的换档调度特性确定要转向的档位,以及手动换挡 用于根据由车辆驾驶员产生的手动换档命令确定要移动的档位的装置或手动换挡模式。 该系统还包括自动换档装置或副自动换档模式,用于确定当手动换档装置运行时被检测到的车速小于阈值的档位。 在该系统中,估计车辆是爬坡还是降坡,并且当车辆爬坡或下降时阈值增加。 通过这种安排,可以在爬坡或下降期间驾驶员或驾驶员的舒适度降级之前降档。
    • 6. 发明授权
    • Control system for automatic vehicle transmission
    • 自动车辆传动控制系统
    • US5908369A
    • 1999-06-01
    • US964217
    • 1997-11-04
    • Norio NakauchiTatsuyuki OhashiShinichi Nishio
    • Norio NakauchiTatsuyuki OhashiShinichi Nishio
    • F16H59/14F16H59/44F16H61/02F16H61/16F16H61/00
    • F16H61/16B60W2550/142F16H2059/0239F16H2059/663F16H59/14F16H59/44F16H61/0213Y10T477/6934
    • A control system for an automatic vehicle transmission having an auto-shifting device for determining an auto-shifting gearshift signal indicative of a gear to be shifted to in accordance with predetermined gearshift scheduling characteristics in response to a detected vehicle speed and an engine load, and a manual-shifting device for determining a manual-shifting signal indicative of a gear to be shifted to in response to a manual-shift command. A gearshift is conducted in response to one of the auto-shifting gearshift signal and the manual-shifting gearshift signal. In the system, the manual-shifting command is inhibited from being accepted for a predetermined period since the gearshift device conducted a gearshift in response to the auto-shifting gearshift signal. With this arrangement, it is possible to prevent down shifting from occurring consecutively so as to prevent drivability or driver's comfort from being degraded.
    • 一种用于自动车辆变速器的控制系统,具有自动换挡装置,用于响应于检测到的车速和发动机负载,根据预定的换档调度特性来确定表示要转向的齿轮的自动变速换档信号;以及 手动换档装置,用于响应于手动换档指令,确定指示要移动的档位的手动换档信号。 响应于自动变速换档信号和手动换挡换档信号之一进行换档。 在该系统中,由于变速装置响应于自动变速换档信号进行变速,所以手动换档指令被禁止接受预定时间段。 通过这种布置,可以防止连续发生下降变化,以防止驾驶员或驾驶员的舒适性降低。
    • 7. 发明授权
    • Control apparatus for hydraulically operated vehicular transmission
    • 液压操纵车辆变速箱控制装置
    • US5887483A
    • 1999-03-30
    • US935956
    • 1997-09-23
    • Tatsuyuki OhashiHideo FukushiOsahide MiyamotoNorio Nakauchi
    • Tatsuyuki OhashiHideo FukushiOsahide MiyamotoNorio Nakauchi
    • F16H59/08F16H59/44F16H61/02F16H61/04F16H61/16F16H61/00
    • F16H61/0246B60W2510/104F16H2061/0488F16H2061/161F16H59/08F16H59/44F16H61/16Y10T477/689Y10T74/1926
    • When switching to a forward running is made while a vehicle is running in a reverse direction, a switching to the forward running condition is made at an early time to thereby prevent the deterioration of the durability of the hydraulic engaging element due to slipping. For that purpose, when a vehicle speed (V) has exceeded a predetermined value (YVa) in a reverse range (R) and also when the vehicle speed (V) has never fallen below the predetermined value (YVa) in a neutral range (N), a reverse signal (FREV=1) is outputted. If FREV=1 at the time of switching to the forward range, the relationship between the vehicle speed and the speed stage (speed change map) is set to one (a reverse-running-measure speed change map) which is different from that at an ordinary time, to thereby determine the speed stage to be established. Then, a low speed stage is established even at a relatively high vehicle speed. Switching is thus made at an early time to the forward running condition with a large torque to be transmitted via the low speed stage.
    • 当在车辆沿相反方向行驶时进行向前行驶切换时,早期切换到前进行驶状态,从而防止由于滑动导致的液压啮合元件的耐久性的劣化。 为此目的,当车速(V)在反向范围(R)中超过预定值(YVa)时,以及当车速(V)从未在中性值范围内下降到预定值(YVa)以下时 N),则输出反向信号(FREV = 1)。 如果在切换到正向范围时FREV = 1,则将车速与速度级(速度变化图)的关系设定为与后者的速度不同的一个(反向行驶速度变化图) 一般的时间,从而确定要建立的速度。 然后,即使在相对高的车速下也建立了低速级。 因此,在通过低速级传递大扭矩的情况下,在早期进行切换到正向运行状态。