Journal of Drive and Control (드라이브 ㆍ 컨트롤)

The Korean Society for Fluid Power and Construction Equipment (유공압건설기계학회)
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Active Vibration Control of Three-Stage Mast of Reach Truck

리치트럭의 3단 마스트 흔들림 능동 제어

  • Moon, Hyeon Mo (Department of Mechanical Engineering, Inha University) ;
  • Yoo, Kwang-Seon (Doosan Corporation Industrial Vehicle BG.) ;
  • Ahn, Young-Chul (Department of Construction Machinery Engineering, Inha University) ;
  • Mah, Pyeong-Ho (Department of Mechanical Engineering, Inha University) ;
  • Lee, Chul-Hee (Department of Mechanical Engineering, Inha University)
  • Received : 2019.04.19
  • Accepted : 2019.06.23
  • Published : 2019.09.01
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Abstract

The reach truck, which is mainly used in warehouses, is required to have high-mast to improve its working efficiency and space utilization. The high-mast takes advantage of more vertical space but severe vibrations are easily generated at the end of the high-mast. These vibrations may cause a collision or misplacement of loading location at work. In this study, the vibration characteristics of a three-stage high-mast of a reach truck are analyzed, and an active vibration controller verified through a similar experiment is designed to reduce this vibration. A similar experiment for reach truck mast verifies the performance of the active vibration controller. By applying an active vibration controller designed for a real reach truck, the operations of the reach truck are made more efficient through the reduction of the vibration amplitude.

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