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| Online calibration of combustion phase in a diesel engine |
| Q.Tan,P.Divekar,Y.Tan,X.Chen,M.Zheng |
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| (Department of Electrical and Computer Engineering, University of Windsor, Windsor N9B 3P4, Canada) |
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| 基金项目:The work at the Clean Combustion Engine Laboratory was supported by the Canada Research Chair program, NSERC, CFI, OIT, AUTO21, the University of Windsor, Ford Motor Company, and other OEMs. |
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| Online calibration of combustion phase in a diesel engine |
| Q. Tan,P. Divekar,Y. Tan,X. Chen,M. Zheng |
| (Department of Electrical and Computer Engineering, University of Windsor, Windsor N9B 3P4, Canada;Department of Mechanical, Automotive \& Materials Engineering, University of Windsor, Windsor N9B 3P4, Canada;Department of Electrical and Electronic Engineering, University of Melbourne, Parkville 3010, VIC, Australia) |
| Abstract: |
| In this work, an online calibration mechanism is proposed for the combustion phase in a diesel engine. In particular, a simplified event-based engine model, of which the output predicts the optimum combustion phase, is used to aid the calibration, and the model is updated online along with the engine operation to keep the integrity high so as to improve the quality of optimum combustion phase prediction. It is found this mechanism can be applied to develop an online automated calibration process when the engine system shifts to a new operating point. Engine test results are included to demonstrate the effectiveness of the proposed mechanism. |
| Key words: Extremum seeking, event-based model, diesel engine, online optimization, automated calibration |
