High-Linear Digital Hydraulic Valve Control by an Equal Coded Valve System and Novel Switching Schemes

Miika Paloniitty, Matti Linjama

    Tutkimustuotos: ArtikkeliScientificvertaisarvioitu

    14 Sitaatiot (Scopus)
    161 Lataukset (Pure)

    Abstrakti

    This study proposes a novel digital hydraulic valve system using multiple equal size on/off valves and a circulating switching control, with an aim to increase the resolution and the linearity of the digital hydraulic valve systems. The solution is founded on the equal coded valve system concept which represents a recent development in the digital hydraulic valve technology. The circulating switching control algorithm is used to overcome non-linearities occurring in the typical non-circulating switching control and to decrease the operating frequency of single on/off valves. As a result, a substantial improvement in tracking control performance is demonstrated with 8+8 parallel connected valves. The results verify that compact, robust and high-performance valve control can be realized.
    AlkuperäiskieliEnglanti
    Sivut258-269
    JulkaisuProceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering
    Vuosikerta232
    Numero3
    Varhainen verkossa julkaisun päivämäärä4 tammik. 2018
    DOI - pysyväislinkit
    TilaJulkaistu - 2018
    OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

    Julkaisufoorumi-taso

    • Jufo-taso 1

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