This research is concerned with the design, modeling, and testing of a dual piezoelectric controlled electro-hydraulic actuator for use in camless engine applications. The design utilizes two piezoelectric actuated spool valves located on either side of a piston to effectively control the volume and timing of pressurized oil entering and exiting the piston chamber. A system model relating spool displacement to piston displacement was created and tested within Matlab/Simulink. To demonstrate the design, a bench top prototype was created and programmed using Matlab/Simulink, dSpace, and ControlDesk. Testing was conducted using both time domain and frequency analysis. All test results indicate a close correlation between the prototype and the final system model.
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ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 10–13, 2006
Philadelphia, Pennsylvania, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4256-8
PROCEEDINGS PAPER
Design of a Dual Piezoelectric Controlled Electrohydraulic Actuator Available to Purchase
W. Michael Axtell,
W. Michael Axtell
Siemens VDO, Blythewood, SC
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David N. Rocheleau
David N. Rocheleau
University of South Carolina, Columbia, SC
Search for other works by this author on:
W. Michael Axtell
Siemens VDO, Blythewood, SC
David N. Rocheleau
University of South Carolina, Columbia, SC
Paper No:
DETC2006-99060, pp. 655-665; 11 pages
Published Online:
June 3, 2008
Citation
Axtell, WM, & Rocheleau, DN. "Design of a Dual Piezoelectric Controlled Electrohydraulic Actuator." Proceedings of the ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2: 30th Annual Mechanisms and Robotics Conference, Parts A and B. Philadelphia, Pennsylvania, USA. September 10–13, 2006. pp. 655-665. ASME. https://doi.org/10.1115/DETC2006-99060
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