Adaptive pulse width/phase modulated controller for a high frequency active electro-hydraulic pump system

Yannis Koveos, Antonios Tzes, Efthymios Kolyvas, Demos Tsahalis

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In this article, an adaptive width/phase differential modulated controller is designed for an Active electro-hydraulic Pump (AehP) system consisting of a single straight cylinder. This controller adjusts the duty cycle and relative phase between the incoming and outgoing valve. The adjustment relies on the maximization of a cost function that characterizes the net outflow rate. The developed model relies on Computational Fluid Dynamics (CFD. Transient CFD analysis shows that the pressure propagation causes the pump performance to be highly dependent to the overall dimensions of the hydraulic system, the fluid used and the operating conditions, thus constraining and complicating the controller design process. The controller's adaptation mechanism relies on the cyclic coordinate method, which adjusts each parameter in a periodic manner. Simulation studies are used to investigate the efficiency of the proposed controller with respect to the pump-chamber's length, the piston's pulsating frequency, and the fluid properties.

    Original languageEnglish (US)
    Title of host publication14th Mediterranean Conference on Control and Automation, MED'06
    DOIs
    StatePublished - Dec 1 2006
    Event14th Mediterranean Conference on Control and Automation, MED'06 - Ancona, Italy
    Duration: Jun 28 2006Jun 30 2006

    Other

    Other14th Mediterranean Conference on Control and Automation, MED'06
    CountryItaly
    CityAncona
    Period6/28/066/30/06

    Fingerprint

    Hydraulics
    Pumps
    Controllers
    Computational fluid dynamics
    Fluids
    Pistons
    Cost functions

    ASJC Scopus subject areas

    • Computer Science Applications
    • Control and Systems Engineering
    • Electrical and Electronic Engineering

    Cite this

    Koveos, Y., Tzes, A., Kolyvas, E., & Tsahalis, D. (2006). Adaptive pulse width/phase modulated controller for a high frequency active electro-hydraulic pump system. In 14th Mediterranean Conference on Control and Automation, MED'06 [1700709] https://doi.org/10.1109/MED.2006.328791

    Adaptive pulse width/phase modulated controller for a high frequency active electro-hydraulic pump system. / Koveos, Yannis; Tzes, Antonios; Kolyvas, Efthymios; Tsahalis, Demos.

    14th Mediterranean Conference on Control and Automation, MED'06. 2006. 1700709.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Koveos, Y, Tzes, A, Kolyvas, E & Tsahalis, D 2006, Adaptive pulse width/phase modulated controller for a high frequency active electro-hydraulic pump system. in 14th Mediterranean Conference on Control and Automation, MED'06., 1700709, 14th Mediterranean Conference on Control and Automation, MED'06, Ancona, Italy, 6/28/06. https://doi.org/10.1109/MED.2006.328791
    Koveos Y, Tzes A, Kolyvas E, Tsahalis D. Adaptive pulse width/phase modulated controller for a high frequency active electro-hydraulic pump system. In 14th Mediterranean Conference on Control and Automation, MED'06. 2006. 1700709 https://doi.org/10.1109/MED.2006.328791
    Koveos, Yannis ; Tzes, Antonios ; Kolyvas, Efthymios ; Tsahalis, Demos. / Adaptive pulse width/phase modulated controller for a high frequency active electro-hydraulic pump system. 14th Mediterranean Conference on Control and Automation, MED'06. 2006.
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