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http://dx.doi.org/10.7839/ksfc.2020.17.4.054

Independent Metering Valve: A Review of Advances in Hydraulic Machinery  

Nguyen, Thanh Ha (Graduate School of Mechanical Engineering, University of Ulsan)
Do, Tri Cuong (Graduate School of Mechanical Engineering, University of Ulsan)
Ahn, Kyoung Kwan (School of Mechanical Engineering, University of Ulsan)
Publication Information
Journal of Drive and Control / v.17, no.4, 2020 , pp. 54-71 More about this Journal
Abstract
In light of the environmental challenges, energy-saving strategies are currently under investigation in the construction industry. This paper focuses on the energy-saving method used in the hydraulic system based on independent metering (IM) technologies, which can overcome the lost energy at the main control valve of the conventional electrohydraulic servo system. By scientifically arranging the proportional valves, the IM system can individually control the flow rate of the inlet and the outlet ports of the actuators. In addition, the IMV system can be used to effectively regenerate energy under different operating modes, thereby saving more energy than conventional hydraulic systems. Therefore, the IMV system has a great potential to improve the energy efficiency of hydraulic machinery. The overall IMV system, including the configuration, proportional valve, operation mode, and the control strategy is introduced via state-of-the-art hydraulic technologies. Finally, the challenges of IM systems are discussed to provide researchers with directions for future development.
Keywords
Independent Metering Valve; Hydraulic Machinery; Proportional Valve; Energy Saving;
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Times Cited By KSCI : 48  (Citation Analysis)
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