基于等效等熵指数的燃烧始点实时反馈与控制

Translated title of the contribution: Real-time start of combustion feedback and control based on equivalent isentropic index

Xiu Lei Wang, Cheng Fang, Guo Xiang Li

Research output: Contribution to journalArticlepeer-review

Abstract

In order to reduce cycle-to-cycle combustion phase fluctuations, a new control platform with functions of cylinder pressure acquisition, combustion states feedback, combustion control and engine control is developed. A novel Start of Combustion (SOC) detection algorithm based on the first derivative of the equivalent isentropic index is presented. Both next-cycle and in-cycle SOC control strategies are introduced. Experimental results demonstrate that the detection method is able to detect the real-time SOCs. The next-cycle control strategy according to the profiles of the heat release rate can control the SOC phase to its target and reduce cycle-to-cycle SOC phase fluctuations. The in-cycle control strategy can keep the consistency of the SOC phase of the main injection under different exhaust gas recirculation rates.

Translated title of the contributionReal-time start of combustion feedback and control based on equivalent isentropic index
Original languageChinese
Pages (from-to)1160-1168
Number of pages9
JournalJilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition)
Volume50
Issue number4
DOIs
Publication statusPublished - 2020 Jul 1

Subject classification (UKÄ)

  • Energy Engineering

Keywords

  • Combustion control
  • Equivalent isentropic index
  • Power machinery and engineering
  • Real-time
  • Start of combustion

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