Journal of Drive and Control (드라이브 ㆍ 컨트롤)

The Korean Society for Fluid Power and Construction Equipment (유공압건설기계학회)
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A Review on New Non-hybrid Technologies to Improve Energy Efficiency of Construction Machineries

건설기계의 에너지 효율 제고를 위한 비-하이브리드 신기술에 관한 리뷰

  • Joh, Joong Seon (Department of Control & Instrumentation Engineering, Changwon National University)
  • Received : 2016.05.11
  • Accepted : 2016.07.13
  • Published : 2016.09.01
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Abstract

New non-hybrid approaches to improve energy efficiency of construction machineries are reviewed in this paper. Hydraulic systems are classified into four classes according to Backe's classification and commercially promising new technologies are carefully chosen in each class. IMV, 3-Line CPR, Closed Circuit Displacement Control of Differential Cylinder, and Throttle-less Secondary Control are chosen as representative non-hybrid new technologies. Key principle of each technology is explained and representative references which run through each technology are selected. Advantages and weaknesses of each technology are discussed and compared from the view point of construction machinery manufacturers.

Keywords

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