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- W2378611364 abstract "Piezoelectric shunt damping system,as attended by more researchers since 1990,is not satisfactory and can be much improved in practical application.Due to the large inductance required in a shunt circuit,negative impedance converter is introduced to neutralize the inherent loss resistance of tank circuit coil inductance.The head actuator of a hard disk drive(HDD) is selected as a typical precision MEMS on which the vibration control experiments are performed to verify the proposed method.According to the mechanical structure and operation principle of HDD,the first three modal responses of the head actuator in the direction normal to the disk plane are suppressed by single mode piezoelectric shunt circuits and the vibration control of the read/write head is also achieved by means of base vibration isolating.The effects of the configuration of the shunt circuit and optimization techniques on the amplitude of the transfer function and the decay rate are studied experimentally.Moreover,while the PZT is micro-strained,the vibration suppression capability of the piezoelectric shunt damping system along with different amplitudes of harmonic responses is discussed.The results validate the effectiveness of the improved piezoelectric shunt damping system in controlling both free vibration and steady response of the read/write head and its actuator of HDD." @default.
- W2378611364 created "2016-06-24" @default.
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- W2378611364 date "2008-01-01" @default.
- W2378611364 modified "2023-09-28" @default.
- W2378611364 title "PIEZOELECTRIC SHUNT DAMPING FOR VIBRATION CONTROL OF A PRECISE MEMS SYSTEM" @default.
- W2378611364 hasPublicationYear "2008" @default.
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