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AssigneeJapan Aerospace Exploration Agency
InventorsYasutoshi HYAKUSOKU, Takafumi KAJIKAWA, Qinzhong SHI, Daichi TODAKA
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Provided is an adjusting method for a resonance frequency of a vibration isolator, the vibration isolator including first to n-th elastic member groups and/or an n+1-th elastic member group, the first to n-th elastic member groups and/or the n+1-th elastic member group being located on an xy plane of an xyz coordinate system, and an xy coordinate system of the xyz coordinate system being a coordinate system obtained by, when a tensor of inertia I with respect to an XYZ coordinate system having an origin in a center of gravity of a vibration sensing side structure or a vibration source side structure is represented as I, rotating an XY coordinate system by θ=tan−1(2IXY/(IXX−IYY)) around a Z axis, the adjusting method including, when rigidity Ki of the first to n-th elastic member groups is represented as [ K i ] = [ k i _ xx 0 0 0 k i _ yy 0 0 0 k i _ zz ] , rigidity Kn+1 of the n+1-th elastic member group is represented as [ K n + 1 ] = [ k n + 1 _ xx 0 0 0 k n + 1 _ yy 0 0 0 k n + 1 _ zz ] , and an x coordinate and a y coordinate of the first to n-th elastic member groups are represented as rpi_x and rpi_y, while satisfying Σki_xxrpi_x=Σki_yyrpi_y=0 and Σki_yyrpi_xrpi_y=Σki_xxrpi_xrpi_y=0, at least one step of a step of adjusting positions of the first to n-th elastic member groups such that values of Σ(ki_zzrpi_y2), Σ(ki_yyrpi_x2), and Σ(ki_zzrpi_y2+ki_yyrpi_x2) change and respectively shifting resonance frequencies of x, y, and z-axial rotational motions and a step of arranging the n+1-th elastic member group at an origin of the xyz coordinate, adjusting values of kn+1_xx, kn+1_yy, and kn+1_zz, and respectively shifting resonance frequencies of x, y, and z-direction translational motions.
An adjusting method for a resonance frequency of a vibration isolator that is in contact with a vibration sensing side structure or a vibration source side structure on one side,
A vibration isolator that is in contact with a vibration sensing side structure or a vibration source side structure on one side,
A vibration isolator that is in contact with a vibration sensing side structure or a vibration source side structure on one side, the vibration isolator comprising:
A designing method for a vibration isolator that is in contact with a vibration sensing side structure or a vibration source side structure on one side,
A designing method for a vibration isolator in contact with a vibration sensing side structure or a vibration source side structure on one side, the designing method being executed by a computer,
A designing system for a vibration isolator in contact with a vibration sensing side structure or a vibration source side structure on one side,
Dependencies are inferred from the claim text.