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Title: Comparative Study and Accommodation of Biodiesel in Diesel‐Electric Hybrid Vehicles Coupled with Aftertreatment Systems

Abstract

Abstract Biodiesel is a promising renewable alternative fuel, which can be used in diesel‐electric hybrid vehicles to potentially bring one kind of clean vehicle on the road. However, the fuel property variation can cause impacts to the powertrain and aftertreatment systems. In this paper, biodiesel's influence on post‐injection effects is studied. Experimental results are obtained to demonstrate the differences between diesel and biodiesel, and to build up fuel‐dependent maps of engine torque, temperature, and emissions. Utilizing those maps, an aftertreatment warm‐up approach compatible with both fuels is developed by strategically enabling double post injections. Finally, a supervisory controller based on model predictive control method is designed to optimize and balance the tradeoff between hybrid vehicle fuel economy and tailpipe emissions. Simulations are conducted for both fuels with or without the proposed control strategy. The validation results show that for both fuels, the controller can significantly reduce tailpipe emissions by successfully regulating the catalyst temperature to the desired range sacrificing fuel economy. And for biodiesel, additional fuel cost is required in order to realize the tradeoff.

Authors:
 [1];  [1];  [1];  [1]
  1. Department of Mechanical and Aerospace Engineering The Ohio State University Columbus OH 43210 USA
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1401131
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Asian Journal of Control
Additional Journal Information:
Journal Name: Asian Journal of Control Journal Volume: 18 Journal Issue: 1; Journal ID: ISSN 1561-8625
Publisher:
Wiley Blackwell (John Wiley & Sons)
Country of Publication:
Country unknown/Code not available
Language:
English

Citation Formats

Zhao, Junfeng, Chen, Pingen, Ibrahim,, Umar, and Wang, Junmin. Comparative Study and Accommodation of Biodiesel in Diesel‐Electric Hybrid Vehicles Coupled with Aftertreatment Systems. Country unknown/Code not available: N. p., 2015. Web. doi:10.1002/asjc.1137.
Zhao, Junfeng, Chen, Pingen, Ibrahim,, Umar, & Wang, Junmin. Comparative Study and Accommodation of Biodiesel in Diesel‐Electric Hybrid Vehicles Coupled with Aftertreatment Systems. Country unknown/Code not available. https://doi.org/10.1002/asjc.1137
Zhao, Junfeng, Chen, Pingen, Ibrahim,, Umar, and Wang, Junmin. Mon . "Comparative Study and Accommodation of Biodiesel in Diesel‐Electric Hybrid Vehicles Coupled with Aftertreatment Systems". Country unknown/Code not available. https://doi.org/10.1002/asjc.1137.
@article{osti_1401131,
title = {Comparative Study and Accommodation of Biodiesel in Diesel‐Electric Hybrid Vehicles Coupled with Aftertreatment Systems},
author = {Zhao, Junfeng and Chen, Pingen and Ibrahim,, Umar and Wang, Junmin},
abstractNote = {Abstract Biodiesel is a promising renewable alternative fuel, which can be used in diesel‐electric hybrid vehicles to potentially bring one kind of clean vehicle on the road. However, the fuel property variation can cause impacts to the powertrain and aftertreatment systems. In this paper, biodiesel's influence on post‐injection effects is studied. Experimental results are obtained to demonstrate the differences between diesel and biodiesel, and to build up fuel‐dependent maps of engine torque, temperature, and emissions. Utilizing those maps, an aftertreatment warm‐up approach compatible with both fuels is developed by strategically enabling double post injections. Finally, a supervisory controller based on model predictive control method is designed to optimize and balance the tradeoff between hybrid vehicle fuel economy and tailpipe emissions. Simulations are conducted for both fuels with or without the proposed control strategy. The validation results show that for both fuels, the controller can significantly reduce tailpipe emissions by successfully regulating the catalyst temperature to the desired range sacrificing fuel economy. And for biodiesel, additional fuel cost is required in order to realize the tradeoff.},
doi = {10.1002/asjc.1137},
journal = {Asian Journal of Control},
number = 1,
volume = 18,
place = {Country unknown/Code not available},
year = {Mon Mar 16 00:00:00 EDT 2015},
month = {Mon Mar 16 00:00:00 EDT 2015}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1002/asjc.1137

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Cited by: 7 works
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