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    • 9. 发明申请
    • VIBRATION ISOLATION SYSTEM WITH DESIGN FOR OFFLOADING PAYLOAD FORCES ACTING ON ACTUATOR
    • 振动隔离系统设计用于卸载执行器上的载荷力
    • WO2010014547A1
    • 2010-02-04
    • PCT/US2009/051845
    • 2009-07-27
    • TECHNICAL MANUFACTURING CORP.KRANER, EmilHEIDE, UlfLOPES, Tony
    • KRANER, EmilHEIDE, UlfLOPES, Tony
    • F16F15/02
    • F16F15/02G05B19/404G05B2219/41191G05B2219/49048G05B2219/49054
    • An active damping system for use in connection with a vibration isolation system is provided. The active damping system having an actuator for placement on the ground, and an intermediate mass supported on the actuator for acting as a stability point to which dynamic forces can be dampened and isolated from the payload. The active damping system also includes a passive damping element and a support spring, both coupled at one end to a payload and at an opposite end to the intermediate mass. At least one offload spring can be situated between the intermediate mass and the ground for partially supporting any weight from the payload acting on the actuator. A sensor can also be affixed to the intermediate mass to generate a feedback signal to the actuator for subsequent acting on the intermediate mass to permit the intermediate mass to act as a stability point. A system and method for isolating dynamic forces using such an active damper is also provided.
    • 提供了一种与隔振系统结合使用的主动阻尼系统。 主动阻尼系统具有用于放置在地面上的致动器,以及支撑在致动器上的中间质量块,用作稳定点,动力可以与有效载荷一起被阻尼和隔离。 主动阻尼系统还包括被动阻尼元件和支撑弹簧,两者都在一端耦合到有效负载并且在与中间质量块相对的端部。 至少一个卸载弹簧可以位于中间质量块和地面之间,用于部分地支撑来自作用在致动器上的有效载荷的任何重量。 传感器还可以固定到中间质量块,以产生到致动器的反馈信号,以便随后作用在中间物质上,以允许中间物质作为稳定点。 还提供了一种使用这种主动阻尼器隔离动力的系统和方法。
    • 10. 发明公开
    • VIBRATION DAMPING SYSTEM FOR AN MACHINING HEAD OF A MACHINE TOOL AND CORRESPONDING OPERATING HEAD
    • 机床加工头的振动阻尼系统及相应的操作头
    • EP3312690A1
    • 2018-04-25
    • EP17197267.2
    • 2017-10-19
    • HSD S.p.A.
    • DRUDI, Gianluca PaoloGROSSO, Giuseppe
    • G05B19/404
    • G05B19/404G05B2219/41191G05B2219/49054
    • A vibration damping system for an operating head for a machine tool, the vibration damping system (1) comprising at least one accelerometer (2), which can be mounted in a fixed manner on the operating head (5) so as to generate at least one signal (SA) indicating first vibrations (VI) of the operating head (5), at least one piezoelectric actuator (3), which can be mounted in a fixed manner on the operating head (5) so as to generate second vibrations (V2) on the operating head (5), and processing and control means (4), which are configured to determine frequencies and amplitudes of said first vibrations (VI) relative to a three-dimensional reference system based on said signal (SA) and to control in real time said piezoelectric actuator (3) so that said second vibrations (V2) have, relative to said reference system, same frequencies and amplitudes as said first vibrations (VI) and phases that are opposite to those of said first vibrations (VI).
    • 1。一种用于机床的操作头的减振系统,所述减振系统(1)包括至少一个加速度计(2),所述加速度计(2)可以以固定方式安装在所述操作头(5)上,以至少产生 指示操作头(5)的第一振动(VI)的一个信号(SA);至少一个压电致动器(3),其能够以固定的方式安装在操作头(5)上以便产生第二振动 V2)以及处理和控制装置(4),所述处理和控制装置(4)被配置为基于所述信号(SA)相对于三维参考系统确定所述第一振动(VI)的频率和振幅,以及 以实时控制所述压电致动器(3),使得所述第二振动(V2)相对于所述参考系统具有与所述第一振动(VI)相同的频率和振幅以及与所述第一振动 VI)。