Gearshift pressure controller using torque ratio of oncoming/offgoing
elements and input torque
    1.
    发明授权
    Gearshift pressure controller using torque ratio of oncoming/offgoing elements and input torque 失效
    换挡压力控制器,使用迎面而来的/去除元件的扭矩比和输入扭矩

    公开(公告)号:US5967942A

    公开(公告)日:1999-10-19

    申请号:US132765

    申请日:1998-08-12

    摘要: A gearshift controller for an automatic transmission comprises an input shaft torque estimating portion for estimating the input shaft torque, a torque dividing ratio setting portion for setting the torque dividing ratio for each friction member of each gear range, and a desired torque calculating portion for calculating the desired torque of each friction member on the basis of the input shaft torque and the torque dividing ratio, and a desired hydraulic fluid calculating portion for calculating the desired hydraulic fluid pressure for each friction member on the basis of the desired torque of the each friction member, and a hydraulic fluid controlling portion for providing the desired hydraulic fluid pressure to each friction member.

    摘要翻译: 用于自动变速器的变速控制器包括用于估计输入轴转矩的输入轴转矩估计部分,用于设定每个齿轮范围的每个摩擦部件的转矩分配比的转矩分配比设定部分和用于计算 基于输入轴扭矩和转矩分配比的每个摩擦构件的期望扭矩,以及期望的液压流体计算部分,用于基于每个摩擦构件的期望扭矩计算每个摩擦构件的期望液压流体压力 以及用于向每个摩擦构件提供所需的液压流体压力的液压流体控制部分。