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    • 10. 发明申请
    • Shift control apparatus and method for continuously variable transmission
    • 用于无级变速器的换档控制装置和方法
    • US20060240942A1
    • 2006-10-26
    • US11411122
    • 2006-04-26
    • Atsufumi KobayashiTakuro Kawasumi
    • Atsufumi KobayashiTakuro Kawasumi
    • F16H61/662
    • B60W10/06F16H59/20F16H61/66Y10T477/623Y10T477/6237
    • A shift control apparatus for a continuously-variable transmission includes an operating condition sensing section; a normal-time speed ratio determining section; a normal-time control section; a kickdown-acceleration request determining section; a kickdown-acceleration-time control section; and an accelerator-operation-quantity variation-rate limiting section. The kickdown-acceleration-time control section is configured to set a kickdown-acceleration-time target speed ratio in accordance with a vehicle speed and an accelerator operation quantity, to cause an output rotational speed of the transmission to increase substantially linearly with an increase of input rotational speed of the transmission, when the kickdown-acceleration request determining section determines that a kickdown acceleration request is present, and to control the speed ratio in accordance with the kickdown-acceleration-time target speed ratio. The accelerator-operation-quantity variation-rate limiting section is configured to calculate a corrected accelerator operation quantity by imposing a limitation on a variation rate of the accelerator operation quantity, when a predetermined variation of the sensed accelerator operation quantity occurs during the speed ratio control of the kickdown-acceleration-time control section, and to output the corrected accelerator operation quantity to the kickdown-acceleration-time control section in order to set the kickdown-acceleration-time target speed ratio.
    • 一种用于无级变速器的变速控制装置,包括操作条件检测部分; 正时速比判定部; 正常时间控制部分; 减速加速请求确定部; 减速加速时间控制部; 和加速器运转量变化率限制部。 减速加速时间控制部被配置为根据车速和加速器操作量来设定减速加速时间目标速度比,使得变速器的输出转速随着增加而大幅线性地增加 当所述减速加速请求确定部确定存在减速加速请求时,所述变速器的输入转速,并且根据所述减速加速时间目标速度比来控制所述变速比。 加速器操作量变化率限制部分,在速度比控制期间发生预测的加速器操作量的变化时,对加速器操作量的变化率施加限制来计算校正的加速器操作量 ,并且将校正的加速器操作量输出到降档加速时间控制部分,以便设定减速加速时间目标速度比。