The measurement of the piston velocity of a hydraulic actuator

The measurement of the piston velocity of a hydraulic actuator

The use of three types of transducers to measure the velocity of the piston shaft of a hydraulic actuator is investigated. The types of transducers are linear magnetic scale, magnetostrictive, and optical rotary encoder. Different methods of calculating the piston velocity from the position informat...

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Veröffentlicht in:IEEE transactions on instrumentation and measurement 1989-06, Vol.38 (3), p.815-819
Hauptverfasser: Voutilainen, O.E., Lappalainen, P., Parkkinen, R., Karras, M.
Format: Artikel
Sprache:eng
Schlagworte:
Control systems
Engine cylinders
Exact sciences and technology
Feedback
General equipment and techniques
Hydraulic actuators
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Magnetostriction
Physics
Pistons
Position measurement
Testing
Transducers
Velocity measurement
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Beschreibung
Zusammenfassung:The use of three types of transducers to measure the velocity of the piston shaft of a hydraulic actuator is investigated. The types of transducers are linear magnetic scale, magnetostrictive, and optical rotary encoder. Different methods of calculating the piston velocity from the position information are proposed, and the results of the test measurement are presented.< >
ISSN:0018-9456
1557-9662
DOI:10.1109/19.32199