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Force control of hydraulic actuators using additional hydraulic complianceLedezma Pérez, Job Angel ; De Pieri, Edson Roberto ; De Negri, Victor JulianoThis paper presents an approach for improving the performance of hydraulic force control systems by adding hydraulic compliance. Typically, force control systems require a flexible coupling system, ... such as a spring between the actuator and the load, to achieve a non-oscillatory response. To avoid the use of springs, this study proposes the use of special hoses to add compliance to the system hydraulically. With this approach, a direct connection between the actuator and the load is feasible, simplifying the mechanical assembly and saving physical space in the axial direction. An analytical model is proposed to estimate the appropriate hydraulic stiffness value and to select a commercial hose based on catalogue data. Moreover, a robust controller based on quantitative feedback theory is designed to improve the stability, performance and disturbance rejection of the force control system. The system performance is demonstrated by dynamic simulation and experimental results.Vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 64, nr. 10, Oct. 2018, str. 579-589)Vrsta gradiva - članek, sestavni delLeto - 2018Jezik - angleškiCOBISS.SI-ID - 16262939
Avtor
Ledezma Pérez, Job Angel |
De Pieri, Edson Roberto |
De Negri, Victor Juliano
Teme
hydraulic force control |
hydraulic compliance |
high expansion volumetric hose |
QFT-based control |
hidravlična regulacija sile |
hidravlična podajnost |
gibka cev z velikim volumskim raztezkom |
regulacija QFT |
stisljivost fluidov |
dinamično modeliranje
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vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 64, nr. 10, Oct. 2018, str. 579-589)
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Ledezma Pérez, Job Angel | ![]() |
De Pieri, Edson Roberto | ![]() |
De Negri, Victor Juliano | ![]() |
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