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DEVICE FOR MEASURING DYNAMIC CHARACTERISTICS OF CENTRIFUGAL-TYPE ROTARY MACHINE, AND CENTRIFUGAL-TYPE ROTARY MACHINE
DEVICE FOR MEASURING DYNAMIC CHARACTERISTICS OF CENTRIFUGAL-TYPE ROTARY MACHINE, AND CENTRIFUGAL-TYPE ROTARY MACHINE
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机译:离心式旋转机械的动态特性测定装置及离心式旋转机械
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摘要
A dynamic characteristic measurement device of the present invention includes magnetic force generators (1a, 1b, 2a, 2b) arranged on the back surface side of impellers 4, 5, the magnetic force generators that oscillate the impellers 4, 5 with magnetic force, an oscillation controller 12 that drives these magnetic force generators, and vibration sensors 13, 14 that detect vibration of a rotation shaft 3. The dynamic characteristic measurement device further includes an arithmetic device 16 that calculates a dynamic characteristic of a rotor 6 by implementing a frequency analysis and a mode analysis based on an oscillation signal from the oscillation controller 12 and a vibration signal from the vibration sensors 13, 14.
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