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    • 68. 发明授权
    • Control apparatus for continuously variable transmission mounted in
automotive vehicle
    • 用于无级变速器的控制装置安装在机动车辆中
    • US5672137A
    • 1997-09-30
    • US637069
    • 1996-04-24
    • Kazutaka AdachiShigeru IshiiHideki Sudo
    • Kazutaka AdachiShigeru IshiiHideki Sudo
    • F16H9/00F16H59/46F16H59/72F16H61/02F16H61/08F16H61/662B60K41/12
    • F16H61/66254F16H59/46F16H59/72F16H61/66227Y10T477/624Y10T477/6242Y10T477/62427
    • In a control apparatus for controlling a gear shift ratio of a continuously variable transmission mounted in an automotive vehicle as an automatic power transmission, a gear shift ratio command value is calculated using a control constant corresponding to a dynamic characteristic determined for each instantaneous gear shift ratio of the continuously variable transmission so as to achieve a target gear shift ratio response characteristic. In addition, a disturbance compensator (robust compensator) of a robust type filter is used against a disturbance such as a parameter variation to achieve a gear shift ratio control characteristic that a designer of the control apparatus has desired to achieve in cases where the parameter variation occurs due to a load variation, a change in an environment temperature or deterioration of an oil viscosity in a hydraulic pressure mechanism which creates a pressing force on each of drive and driven pulleys of the continuously variable transmission and where an individual difference in the dynamic characteristic of the continuously variable transmission due to a working and/or assembly accuracy of a power transmission part of the continuously variable transmission occurs.
    • 在用于控制安装在机动车辆中的无级变速器的变速比作为自动变速器的控制装置中,使用与针对每个瞬时变速比确定的动态特性相对应的控制常数来计算变速比指令值 以实现目标变速比响应特性。 另外,使用鲁棒型滤波器的扰动补偿器(鲁棒补偿器)来抵抗例如参数变化的扰动,以实现控制装置的设计者希望在参数变化的情况下实现的变速比控制特性 由于负载变化,环境温度的变化或液压机构中的油粘度的劣化,对无级变速器的驱动带轮和从动带轮产生压力,并且动态特性的个体差异 由于无级变速器的动力传递部分的工作和/或组装精度而发生无级变速器。