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    • 1. 发明申请
    • ACTIVE NOISE REDUCING FILTER APPARATUS, AND A METHOD OF MANUFACTURING SUCH AN APPARATUS
    • 有源降噪滤波器装置,以及制造这种装置的方法
    • WO2012074403A3
    • 2012-11-15
    • PCT/NL2011050828
    • 2011-12-01
    • TNOBERKHOFF ARTHUR PERRYWESSELINK JOHAN
    • BERKHOFF ARTHUR PERRYWESSELINK JOHAN
    • G10K11/178
    • G10K11/178G10K2210/12G10K2210/3055
    • The invention provides an active noise reducing filter apparatus for actively reducing noise d from at least one primary noise source reference signal x. The apparatus comprises a secondary source signal connector connected to a secondary source generating secondary noise y based on a secondary signal u for reducing said primary noise d. A sensor connector is connected to a sensor for measuring said primary and secondary noise as an error signal e. A reference signal connector receives the reference signal x, and a control filter W receives the reference signal x and calculates a control signal for providing the signal u. An adaptation circuit receives said error signal e and reference signal x and adapts the control filter W. The adaptation circuit adapts the filter W using a representation of said secondary source including a secondary source transfer function G of said secondary source and an additional damping for providing improved stability.
    • 本发明提供了一种有源降噪滤波器装置,用于主动降低来自至少一个主噪声源参考信号x的噪声d。 该设备包括连接到次级源的次级源信号连接器,次级源基于用于减小所述初级噪声d的次级信号u产生次级噪声y。 传感器连接器连接到传感器,用于测量所述初级和次级噪声作为误差信号e。 参考信号连接器接收参考信号x,并且控制滤波器W接收参考信号x并计算用于提供信号u的控制信号。 自适应电路接收所述误差信号e和参考信号x并调整控制滤波器W.自适应电路使用包括所述次级源的次级源传递函数G和附加阻尼的所述次级源的表示来调整滤波器W, 改善稳定性。
    • 4. 发明申请
    • sEAF SPRING, AND ELECTROMAGNETIC ACTUATOR PROVIDED WITH A LEAF SPRING
    • sEAF弹簧和电动执行器提供一个叶子弹簧
    • WO02066854A8
    • 2003-11-13
    • PCT/NL0200113
    • 2002-02-22
    • TNOBERKHOFF ARTHUR PERRYLEMMEN RENE LOUIS CHRISTIAAN
    • BERKHOFF ARTHUR PERRYLEMMEN RENE LOUIS CHRISTIAAN
    • F16F1/32
    • F16F1/326
    • The invention relates to a leaf spring for an electromagnetic actuator and to such an electromagnetic actuator. The leaf spring is formed as a whole from a disc of plate-shaped, resilient material. The leaf spring comprises a central fastening part, an outer fastening part extending therearound and at least two leaf spring arms extending between the central and outer fastening part. Viewed from the central fastening part, the leaf spring arms (23) have a first zone (24) originating from the central fastening part (21), in which they extend as far as the outer part (22) but for a first clearance (R). The first zone (24) is followed by a second zone (25) in which, without contacting the outer fastening part (22) and proceeding in tangential direction, they bend back as far as the central fastening part (21) but for a second clearance (T). A third zone (26) follows the second zone (25), in which the spring leaf arms (23) extend towards the outer fastening part (22) to merge therein.
    • 本发明涉及一种用于电磁致动器和这种电磁致动器的板簧。 板簧整体由板状弹性材料的盘形成。 板簧包括中心紧固部分,在其周围延伸的外部紧固部分以及在中心和外部紧固部分之间延伸的至少两个板簧臂。 从中央紧固部分观察,板簧臂(23)具有源自中心紧固部分(21)的第一区域(24),其中它们延伸到外部部分(22),但是延伸到第一间隙 R)。 第一区域(24)之后是第二区域(25),其中,在不接触外紧固部件(22)并且沿切线方向前进的情况下,它们弯曲回中心紧固部分(21),但是第二区域 间隙(T)。 第二区域(26)沿着第二区域(25),其中弹簧片臂(23)向外紧固部分(22)延伸以在其中合并。