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    • 9. 发明公开
    • Control system for automatic transmission
    • 自动变速器控制系统
    • EP0445770A1
    • 1991-09-11
    • EP91103407.2
    • 1991-03-06
    • Mazda Motor Corporation
    • Kikuchi, ToshiyukiAbe, MitsutoshiTakebayashi, HiroyukiOkamoto, Kenji
    • B60K41/22F16H61/14
    • B60W10/06B60W10/02B60W10/10B60W10/11B60W30/18B60W30/1819F16H59/141F16H59/48F16H61/143F16H63/46F16H2059/082F16H2061/145Y10S477/905Y10T477/635Y10T477/63525Y10T477/692
    • A control system for an automatic transmission (2) comprising a torque converter (2a) having an input and output members through which a driving power is transmitted, a lock-up clutch (2c) provided in the torque converter (2a) for connecting the input and output member without intervening a hydraulic fluid, a multiple stage transmission gear mechanism connected with the output member of the torque converter (2a) and having a plurality of shift gear stages, a shift control device (5) for shifting the shift gear stage in accordance with a vehicle operating condition, an engaging force control device for controlling an engaging force of the lock-up clutch (2c) in a manner that a slip rate of the lock-up clutch (2c) is changed, an acceleration judging device (59) for judging a required acceleration, and the engaging force control device reducing the engaging force as the required acceleration is increased. The control is made in a manner that the driving power transmitted through the automatic transmission (2) is continuously changed in accordance with the required acceleration. Both acceleration performance and fuel consumption performance can be improved.
    • 1。一种自动变速器的控制装置,其特征在于,具备:变矩器,具有用于传递驱动力的输入部件和输出部件;锁止离合器,设置在所述变矩器中, (2a)的输出部件连接的多级变速齿轮机构,具有多个变速级;变速控制装置(5),用于切换所述变速级 根据车辆操作状态,以锁止离合器(2c)的滑动率变化的方式控制锁止离合器(2c)的接合力的接合力控制装置,加速度判断装置 (59),用于判断所需加速度,并且接合力控制装置随着所需加速度的增加而减小接合力。 以通过自动变速器(2)传递的驱动力根据所需的加速度连续变化的方式进行控制。 加速性能和油耗性能都可以提高。