2021•Unpublished venueOpen access

Force control on direct driven servo hydraulic actuator

Aleks Petrovič, Mihael Janežič, Vito Tič

Abstract

Direct Driven Servo Hydraulic Actuator also known as Pump Direct Driven Cylinder (PDDC) represents a decentralized modern concept of energy efficient cylinder control without damping loses of direction valves. Such systems have many advantages over conventional hydraulic systems and combine benefits of hydraulic and electric drives. PDDC system developed in Laboratory for Oil Hydraulics at University of Maribor consists of hydro motor, which is used as a reversible pump that is directly driven by servomotor and is designed for experimental testing with differential hydraulic cylinder. In this paper, the aforementioned system runs experimental setup for force control of hydraulic cylinder, with load produced by pneumatic bellow.

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Available abstract

Key concepts: Hydraulic cylinder, Electrohydraulic servo valve, Hydraulic motor, Actuator, Hydraulic machinery, Servomotor, Telescopic cylinder, Electro-hydraulic actuator