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Sangiah et al., 2012 - Google Patents

Performance optimization of a two-stage piezohydraulic servovalve

Sangiah et al., 2012

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Document ID
950939506969973981
Author
Sangiah D
Plummer A
Bowen C
Publication year
Publication venue
8th International Fluid Power Conference (IFK), Dresden, Bd

External Links

Snippet

This paper describes the performance optimization of a two stage piezohydraulic servovalve developed for use in aerospace. The valve uses a piezoelectric multilayer actuator in the pilot stage and a conventional main stage spool. The actuator moves a deflector which …
Continue reading at gfpsweb.org (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezo-electric effect, electrostriction or magnetostriction
    • H02N2/02—Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners; Linear motors
    • H02N2/04—Constructional details
    • H02N2/043—Mechanical transmission means, e.g. for stroke amplification
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezo-electric effect, electrostriction or magnetostriction
    • H02N2/02—Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners; Linear motors
    • H02N2/021—Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners; Linear motors using intermittent driving, e.g. step motors, piezoleg motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezo-electric effect, electrostriction or magnetostriction
    • H02N2/02—Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners; Linear motors
    • H02N2/06—Drive circuits; Control arrangements or methods

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