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    • 14. 发明授权
    • Speed ratio controller and control method of toroidal continuously
variable transmission
    • 变速比控制器和环形无级变速器的控制方法
    • US6076031A
    • 2000-06-13
    • US370883
    • 1999-08-10
    • Satoshi TakizawaMasato KogaMitsuru Watanabe
    • Satoshi TakizawaMasato KogaMitsuru Watanabe
    • F16H15/38F16H61/12F16H61/18F16H61/662G06F7/00B60K41/12F16H15/48F16H61/30
    • F16H61/6648F16H61/12Y10T477/323Y10T477/619Y10T477/675
    • A speed ratio of a toroidal continuously variable transmission is varied by a step motor (4). The step motor (4) is responsive to a command signal Astep which a controller (61) outputs corresponding to a target speed ratio. The controller (61) is programmed to initialize the command signal Astep when it is activated while the vehicle is running (S152) such that the command signal coincides with an actual operation position of the step motor (4). The controller (61) is further programmed to limit the command signal, after performing this initialization, within a first limiting range which is narrower than a second limiting range corresponding to a physical operation limit of the step motor (4) (S168, S170). By applying such a limitation to the command signal, the command signal is prevented from exceeding the operation limit of the step motor (4) even when a torque shift error is introduced into the command signal by the initialization while the vehicle is running.
    • 环形无级变速器的速比由步进电动机(4)变化。 步进电动机(4)响应控制器(61)对应于目标速比的输出的指令信号Astep。 控制器(61)被编程为在车辆行驶时被激活时初始化命令信号Astep(S152),使得命令信号与步进电机(4)的实际操作位置一致。 控制器(61)进一步被编程为在执行该初始化之后将命令信号限制在比对应于步进电动机(4)的物理操作限制的第二限制范围窄的第一限制范围内(S168,S170) 。 通过对指令信号应用这样的限制,即使当在车辆行驶时通过初始化将转矩偏移误差引入到指令信号中时,也能够防止指令信号超过步进电机(4)的运行极限。
    • 15. 发明授权
    • Fine actuator
    • 精细执行器
    • US5241424A
    • 1993-08-31
    • US727112
    • 1991-07-09
    • Mitsuru Watanabe
    • Mitsuru Watanabe
    • G11B7/09
    • G11B7/0932
    • An optical head for optically writing data onto a recording medium and reading the data from the recording medium. The optical head includes an optical lens holder; a driver for the holder which is located on a side of the holder; flat spring members for elastically supporting the holder in a horizontal direction; and other flat spring members for elastically supporting the holder in a vertical direction, and for creating a sandwiched area. At least a part of the spring members for supporting the holder in a horizontal direction is located within the sandwiched area of the other spring members.
    • 一种用于将数据光学地写入记录介质并从记录介质读取数据的光学头。 光学头包括光学透镜保持器; 位于支架一侧的支架的驱动器; 用于沿水平方向弹性地支撑保持器的扁平弹簧构件; 以及用于在垂直方向上弹性地支撑保持器并且用于产生夹持区域的其它平板弹簧构件。 用于在水平方向上支撑保持器的弹簧构件的至少一部分位于其它弹簧构件的夹持区域内。