An active dynamic beater

Details An active dynamic beater An active dynamic beater

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 15/00 (2006.01) F16F 7/10 (2006.01)

Patent

CA 2472217

The invention provides a dynamic beater comprising a spring mass unit, said unit having a mass M and a stiffness K actuated by a drive motor and presenting a device for coupling to a host structure for damping, the beater being characterized in that it presents a first acceleration sensor secured to said mass and delivering a first signal s1, and a second acceleration sensor for mounting on the host structure and delivering a second signal s2, and also having a power amplifier supplying an output signal for controlling the drive motor in response to an input signal E which is a function of a difference between tree signals (s1, s2) from the first and second acceleration sensors after passing at least one of said signals (s1, s2) through at least one lowpass filter and/or phase delay type filter.

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