Mechanical characteristics estimation method and mechanical characteristics estimation device of test system
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United States of America
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Jun 28, 2022
Grant Date -
Dec 31, 2020
app pub date -
Nov 26, 2018
filing date -
Nov 26, 2018
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Abstract
A drive train bench system has two dynamometers that are connected in series to a specimen. The mechanical characteristics estimation method has: a first measurement step for measuring a response to a first excitation torque input signal when the first excitation torque input signal overlaps a first torque current command signal while a measurement control circuit controls the two dynamometers; a second measurement step for measuring a response to a second excitation torque input signal when the second excitation torque input signal overlaps a second torque current command signal while the measurement control circuit controls the two dynamometers; and a mechanical characteristics transfer function estimation step for using the results from the first and second measurement steps to estimate a mechanical characteristics transfer function.
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