Journal of Drive and Control (드라이브 ㆍ 컨트롤)

The Korean Society for Fluid Power and Construction Equipment (유공압건설기계학회)
권호 표지

How to Solve Independent Metering Valve for Construction Vehicle

건설차량용 독립 미터링 밸브(IMV)의 해결 방안

  • Published : 2018.12.01
Download PDF
⟨ Previous Next ⟩

Abstract

Keywords

OGSSB4_2018_v15n4_119_f0001.png 이미지

Fig. 1 Model 390F excavator with IMVs of Caterpillar

OGSSB4_2018_v15n4_119_f0002.png 이미지

Fig. 2 Operating circuit of PE(Powered Extension) mode

OGSSB4_2018_v15n4_119_f0003.png 이미지

Fig. 3 Operating circuit of HSRE(High Side Regeneration Extension) mode

OGSSB4_2018_v15n4_119_f0004.png 이미지

Fig. 4 Restriction phenomenon of spool valve

OGSSB4_2018_v15n4_119_f0005.png 이미지

Fig. 5 MCV circuit with a full-IMV

References

  1. http://www.cat.com/en_US/products/new/equipment/excavators/large-excavators.
  2. S. A. Nahian, et al. "Introduction of Independent Metering Valve for Energy Saving Excavator System", Journal of Drive and Control 12(1), pp. 45-52, 2015.
  3. Milos Vukovic, et al. "The Next Generation of Fluid Power Systems", Procedia Engineering 106, pp. 2-7, 2015. https://doi.org/10.1016/j.proeng.2015.06.002
  4. Song Liu, et al. "Programmable Valves Enable Both Precision Motion Control and Energy Saving" An ASAE Meeting Presentation, 2005.
  5. E.T.N., "Fail operational controls for an independent metering valve", 2018
  6. Thomas J. Ulery, "Proportional cartridge valveseconomical alternative to large valves", Agricultural engineering 71, No. 4, p.11, 1990.
  7. R. Book and C.E. Goering, "Programmable electrohydraulic valve", SAE Transactions, Vol. 108, No. 2, pp.346-352, 1999.
  8. 안경관, "차세대 굴삭기 유압 시스템 개발 동향 개요", Drive & Control, Vol. 11, No. 3, pp.56-60, 2014.
  9. A. Shenouda & W.J. Book, "Selection of operating modes of a multi-functional hydraulic device", Proceedings of IMECE 2005, pp.1-11.
  10. Amir Shenouda, et al. "Optimal Mode Switching for a Hydraulic Actuator Controlled With Four Valve Independent Metering Configuration" IJFP-9 No. 1 pp. 35-43, 2008
  11. Keith A. Tabor, "A novel method of controlling a hydraulic actuator with four valve independent metering using load feedback", SAE 2005-01-3639.
  12. Bin Yao, "Integrated mechatronics design of precision and energy saving electro-hydraulic systems", Procedding of the 7th international conference on fluid power transmission and control" pp.360-372, 2009
  13. M. Chen, D. Zhao, "The gravitational potential energy regeneration system with closed-circuit of boom of hydraulic excavator", Mechanical systems and signal processing
  14. G.J. Choi, "Energy saving excavator system using independent metering valve configuration", JMST, Vol. 29, No. 1, 2015
  15. S.N. Yun, Y.G. Ham, J.H. Park and M.G. Kim, "Proportional pressure reducing technique of IMV for construction vehicle", 2018 KSME spring conference, pp.9-10, 2018.
  16. C.N. Kang, H.A. Khan and S.N. Yun, "Energy saving in excavators with independent metering valve", 2017 KSPSE fall conference, pp.130-131, 2017.