An Overview of Energy Savings Approaches on Hydraulic Drive Systems

  • Anil C. Mahato Department of Mechanical Engineering, Birla Institute of Technology, Mesra, Ranchi-835215, India
  • Sanjay K Ghoshal Department of Mechanical Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad-826004, India https://orcid.org/0000-0001-6477-3174
Keywords: Power hydraulic system, energy savings, hybridization, energy recovery, regenerative system, energy loss

Abstract

Different procedures to improve the energy efficiency of a hydraulic drive system have been surveyed in this article. The energy-saving approaches are classified into four categories: hybridization, control algorithms, waste energy recovery and reduction of energy losses. Also, the sub-categories of each strategy are discussed individually in brief. The energy efficiency can go up to 69% using a hybridization strategy, whereas using a fuel-saving strategy is within the range of 20–40%. Another strategy, i.e., control algorithms, yields 40% of fuel savings on the displacement-controlled excavator system. Similarly, the maximum potential to recover the braking energy is about 78% in the case of the Constant Pressure System (CPS) system using flywheel under the category of waste energy recovery. Moreover, 56–66.1% throttling energy saving potential is observed on an On/Off high-speed valve-controlled hydraulic system under the reduction of energy loss strategy. Different energy saving potentials of the hydraulic system have been presented in tabular form for a clear understanding of the historical development in this field.

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Author Biographies

Anil C. Mahato, Department of Mechanical Engineering, Birla Institute of Technology, Mesra, Ranchi-835215, India

Anil C. Mahato is an Assistant Professor in the mechanical engineering department of Birla Institute of Technology, Mesra, Ranchi. He completed B.Tech in 2009 from the Haldia Institute of Technology under the University of WBUT, Kolkata. After that, he did masters (M.Tech) in CAD/CAM specialization from the NIT Jamshedpur in 2011 and then served one automotive industry as a design engineer until the year 2014. Thereafter, he received Ph.D degree from IIT (ISM) Dhanbad in 2018. He has authored many journal articles. His current research interests are system modeling, simulation and control, condition monitoring, and fluid power.

Sanjay K Ghoshal, Department of Mechanical Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad-826004, India

Sanjoy K. Ghoshal is an associate professor and in-charge of dynamics of machinery lab in the mechanical engineering department in IIT (ISM), Dhanbad. He completed his undergraduate program in 1996 from Jadavpur University (JU), Kolkata, and then worked in different industries as a maintenance engineer until the year 2001. Thereafter, he did his masters in machine design specialization from the same University (JU) in 2003 and then completed doctoral work in 2007 from IIT-Kharagpur. He has authored many journal articles and one book chapter. His current research interests are system modeling, simulation and control, fault diagnosis, automation, condition monitoring, and fluid power.

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Published
2020-06-26
Section
Original Article