Enabling Energy Savings in Offshore Mechatronic Systems by using Self-Contained Cylinders

Daniel Hagen*, Damiano Padovani, Martin Choux

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


This paper proposes a novel actuation system for an offshore drilling application. It consists of three self-contained electro-hydraulic cylinders that can share and store regenerated energy. The energy saving potential of the proposed solution is analyzed through a multibody system simulation. The self-contained system demonstrates superior energy efficiency compared to the benchmark system representing the state-of-the-art approach used today (i.e., valve-controlled cylinders by means of pressure-compensated directional control valves and counter-balance valves, supplied by a centralized hydraulic power unit). Due to the”power on demand” capability, the cancellation of the throttling losses, and the opportunity to recover energy in motoring quadrants, the self-contained system consumes 83.44% less energy without affecting the system’s performance.

Original languageEnglish
Pages (from-to)89-108
Number of pages20
JournalModeling, Identification and Control
Issue number2
StatePublished - 2019
Externally publishedYes


  • Electrification of hydraulics
  • Energy savings
  • Linear actuator
  • Offshore mechatronic systems
  • Passive load-holding
  • Proportional directional control valve
  • Self-contained electro-hydraulic cylinder


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