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    • 3. 发明授权
    • Operating history management method and operating history management apparatus
    • 运行历史管理方法和运行历史管理装置
    • US08862429B2
    • 2014-10-14
    • US13245141
    • 2011-09-26
    • Tomoharu AndoHiroshi Ueno
    • Tomoharu AndoHiroshi Ueno
    • G06F19/00B23Q17/00B23Q17/12
    • B23Q17/12B23Q17/007
    • At least a rotation speed of a rotary shaft and a vibration acceleration in a frequency domain are stored as an operating history, and the operating history is stored not only when the rotation speed of the rotary shaft varies, but also when a maximum value of the vibration acceleration in the frequency domain exceeds a predetermined threshold. Therefore, variation in the rotation speed of the rotary shaft and the chatter vibration occurrence state can be stored in association with each other. Hence, an operator can learn the rotation speed of the rotary shaft and the chatter vibration occurrence state in association with each other. As a result, chatter vibration can be suppressed easily and effectively.
    • 旋转轴的旋转速度和频域中的振动加速度的至少存储作为运行历史,并且不仅在旋转轴的旋转速度变化时存储运转历史,而且, 频域中的振动加速度超过预定阈值。 因此,可以相互关联地存储旋转轴的旋转速度和颤动发生状态的变化。 因此,操作者可以相互关联地学习旋转轴的旋转速度和振动振动发生状态。 结果,可以容易且有效地抑制振动振动。
    • 7. 发明授权
    • Network system and switching method thereof
    • 网络系统及其切换方法
    • US09391895B2
    • 2016-07-12
    • US14005236
    • 2012-01-18
    • Hiroshi Ueno
    • Hiroshi Ueno
    • H04L12/28H04L12/741H04L12/26
    • H04L45/745H04L43/024H04L43/026
    • A network system of the present invention includes a switch and a controller. The controller sets a flow entry, in which are defined a rule and an action used to uniformly control a packet as a flow, in a flow table of the switch. The switch determines whether or not to perform a sampling processing to a received packet, in accordance with the flow table setting, and notifies the controller of a sampling result in a case where a sampling processing is performed to the received packet. The controller updates the flow table in accordance with the sampling result and narrows packets to perform a sampling processing.
    • 本发明的网络系统包括开关和控制器。 控制器设置一个流条目,其中定义了一个规则和动作,用于在交换机的流表中统一控制数据包的流量。 交换机根据流表设置确定是否对接收到的分组执行采样处理,并且在对所接收的分组进行采样处理的情况下通知控制器采样结果。 控制器根据采样结果更新流表,缩小数据包进行采样处理。
    • 10. 发明授权
    • Vibration suppressing method and vibration suppressing device for us in machine tool
    • 用于机床的振动抑制方法和振动抑制装置
    • US09011052B2
    • 2015-04-21
    • US13245117
    • 2011-09-26
    • Hiroshi Ueno
    • Hiroshi Ueno
    • B23Q15/007G05B19/404
    • G05B19/404B23Q15/007G05B2219/42344Y10T409/30084Y10T409/304312Y10T409/306832Y10T409/307224
    • In a machine tool having a rotary shaft for use in rotating a tool or a workpiece, a plurality of stable rotation speeds at which the chatter vibrations are expected to be suppressed, and at least one switching rotation speed across which a dynamic characteristic of a rotary shaft system changes are stored. The plurality of stable rotation speeds may be determined from chatter vibrations detected using a vibration detection unit. Optimum rotation speed that is a rotation speed to which a rotation speed of the rotary shaft is changeable without crossing the switching rotation speed is selected from the plurality of stable rotation speeds, and the rotation speed of the rotary shaft is changed to the optimum rotation speed. Thus, chatter vibrations generated during rotation of the rotary shaft can be suppressed effectively.
    • 在具有用于旋转工具或工件的旋转轴的机床中,期望抑制振动振动的多个稳定的转速以及旋转的动态特性的至少一个切换转速 轴系变化被存储。 可以使用振动检测单元检测到的振动振动来确定多个稳定的转速。 从多个稳定转速中选择作为旋转轴的转速而不与切换转速相交的旋转速度的最佳转速,将转轴的转速变更为最佳转速 。 因此,能够有效地抑制旋转轴旋转时产生的振动振动。