드라이브 ㆍ 컨트롤 (Journal of Drive and Control)

  • 제9권3호
  • /
  • Pages.16-22
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  • 2012
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  • 2671-7972(pISSN)
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  • 2671-7980(eISSN)
유공압건설기계학회 (The Korean Society for Fluid Power and Construction Equipment)
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Position control of Electro hydrostatic actuator (EHA) using a modified back stepping controller

  • 투고 : 2012.06.30
  • 심사 : 2012.08.27
  • 발행 : 2012.09.01
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초록

Nowadays, electro hydrostatic actuator (EHA) has shown great advantages over the conventional hydraulic actuators with valve control system. This paper presents a position control for an EHA using a modified back stepping controller. The controller is designed by combining a backstepping technique and adaptation laws via special Lyapunov functions. The control signal consists of an adaptive control signal to compensate for the nonlinearities and a simple robust structure to deal with a bounded disturbance. Experiments are carried out to investigate the effectiveness of the proposed controller.

키워드

참고문헌

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피인용 문헌

  1. Reduction of Power Consumption for Constant Pressure Control of Variable Swash Plate-type Piston Pump by Varying the Pump Speed vol.11, pp.4, 2014, https://doi.org/10.7839/ksfc.2014.11.4.053
  2. Review of energy efficient direct pump controlled cylinder electro-hydraulic technology vol.35, 2014, https://doi.org/10.1016/j.rser.2014.04.036
  3. Modeling and Analysis on Cushion Characteristics of Fast and High-Flow-Rate Hydraulic Cylinder vol.2016, 2016, https://doi.org/10.1155/2016/2639480
  4. Force Synchronizing Control for 4 Axes Driven Hydraulic Cylinder-Clamping Load Systems vol.11, pp.2, 2014, https://doi.org/10.7839/ksfc.2014.11.2.009