Method of estimating an eccentric position of an acceleration sensor and acceleration generating apparatus with an eccentricity adjuster
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United States of America Patent
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May 6, 2003
Grant Date -
N/A
app pub date -
Nov 17, 2000
filing date -
Nov 19, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of estimating an eccentric position of an acceleration sensor for a double turntable-type acceleration generating apparatus includes the steps of mounting the acceleration sensor on an auxiliary rotating body; rotating the auxiliary rotating body at a constant frequency with a main rotating body held at a standstill; measuring an output signal from the acceleration sensor; determining an amount of eccentricity in an X-axis direction of the acceleration sensor from the frequency of the auxiliary rotating body and the output signal; and determining an amount of eccentricity in a Y-axis direction by using tangential acceleration generated by the rotation of the auxiliary rotating body in a state in which the amount of eccentricity in the X-direction is set to substantially zero.
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