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논문 상세정보

Abstract

Calculation of indicated mean effective pressure(IMEP) requires high cylinder pressure sampling rate and heavy computational load. Because of that, it is difficult to implement in a conventional electronic control unit. In this paper, a cylinder pressure based real-time IMEP estimation method is proposed for controller implementation. Crank angle at 10-bar difference pressure($CA_{DP10}$) and cylinder pressure difference between $60^{\circ}$ ATDC and $60^{\circ}$ BTDC($DP_{deg}$) are used for IMEP estimation. These pressure variables can represent effectively start of combustion(SOC) and fuel injection quantity respectively. The proposed IMEP estimation method is validated by transient engine operation using a common-rail direct injection diesel engine.

참고문헌 (15)

  1. K. Lee, Closed-loop Control of SOC for Common-rail Direct Injection Diesel Engines, Ph. D. Dissertation, Hanyang University, Seoul, Korea, 2005 
  2. M. Hubbard, P.D. Dobson and J.D. Powell, "Closed Loop Control of Spark Advance using a Cylinder Pressure Sensor," ASME Journal of Dynamics Systems, Measurement, and Control, pp.414-420, 1996 
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  4. H. Husted, D. Kruger, G. Fattic, G. Ripley and E. Kelly, "Cylinder Pressure-Based Control of Pre-Mixed Diesel Combustion," SAE 2007-01-0773,2007 
  5. K. Lee, M. Yoon, M. Son and M. Sunwoo, "Closed-loop Control of Start of Combustion using Difference Pressure Management," IMechE Automobile Engineering, Vol.220, pp.l6l5-l628,2006 
  6. M. Kao and J.J. Moskwa, "Model-Based Engine Fault Detection Using Cylinder Pressure Estimates from Nonlinear Observers," IEEE Decision and Control, Vol.3, pp.2742-2747,1994 
  7. S. Park and D.G. Thomas, "Cyclic Variability of IMEP and Its Correlations in Distribution with Other Combustion-Related Parameters in Natural Gas Engine," Transactions of KSAE, Vol.4, No.5, pp.82-89, 1996 
  8. M. C. Sellnau, F. A. Matekunas, P. A. Battiston, C. Chang and D. R. Lancaster, "Cylinder-Pressure-Based Engine Control Using Pressure-Ratio-Management and Low-Cost NonIntrusive Cylinder Pressure Sensors," SAE 2000-01-0932,2000 
  9. M. Yoon, "Real-time Simulation and Control of Common-rail Direct Injection Diesel Engines," Ph. D. Dissertation, Seoul, Korea, 2006 
  10. M. F. J. Brunt and A. L. Emtage, "Evaluation of IMEP Routines and Analysis Errors," SAE 960609,1996 
  11. M. Yoon, K. Lee, M. Sunwoo and B. Oh, "Cylinder Pressure Based Combustion Phasing Control of a CRDI Diesel Engine," SAE 2007 -01-0772, 2007 
  12. A. T. Lee, M. Wiicutts, P. Tunestai and J. Karl Hedrick, "A Method of Lean Air-fuel Ratio Control using Combustion Pressure Measurement," JSAE Review, Vol.22, pp.389-393, 2001 
  13. T. Jaine, A. Charlet, P. Higelin and Y. Chamaillard, "High Frequency 1MEP Estimation and Filtering for Torque Based SI Engine Control," SAE 2002-01-1276, 2002 
  14. S. Kim, S. Kim, M. Kim and J. Park, "The Indicated Performance Analysis of Spark Ignition Engine by Available Energy," Proceedings of Busan Engine International Symposium, pp.l0l-l04, 2001 
  15. D. Kim, B. Oh, K. Lee and M. Sunwoo, "Cylinder-Pressure based IMEP Estimation for CRDI Diesel Engines," Fall Conference Proceedings, Vol. IV, KSAE, pp.l770-1776, 2007 

이 논문을 인용한 문헌 (1)

  1. Chung, Jae-Sung ; Oh, Seung-Suk ; Park, In-Seok ; SunWoo, Myoung-Ho 2012. "Development of IMEP Estimation and Control Algorithm Using In-Cylinder Difference Pressure for Passenger Diesel Engines" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. B. B, 36(9): 915~921 

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