Dual-fuel engines can achieve high efficiencies and low emissions but also can encounter high cylinder-to-cylinder variations on multicylinder engines. In order to avoid these variations, they require a more complex method for combustion phasing control such as model-based control. Since the combustion process in these engines is complex, typical models of the system are complex as well and there is a need for simpler, computationally efficient, control-oriented models of the dual-fuel combustion process. In this paper, a mean-value combustion phasing model is designed and calibrated, and two control strategies are proposed. Combustion phasing is predicted using a knock integral model (KIM), burn duration (BD) model, and a Wiebe function, and this model is used in both an adaptive closed loop controller and an open loop controller. These two control methodologies are tested and compared in simulations. Both control strategies are able to reach steady-state in five cycles after a transient and have steady-state errors in CA50 that are less than ±0.1 CA deg (CAD) with the adaptive control strategy and less than ±1.5 CAD with the model-based feedforward control method.
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Modeling and Control of Combustion Phasing in Dual-Fuel Compression Ignition Engines
Wenbo Sui,
Wenbo Sui
Illinois Institute of Technology,
10 W. 32nd St.,
Chicago, IL 60616
10 W. 32nd St.,
Chicago, IL 60616
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Jorge Pulpeiro González,
Jorge Pulpeiro González
Illinois Institute of Technology,
10 W. 32nd St.,
Chicago, IL 60616
10 W. 32nd St.,
Chicago, IL 60616
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Carrie M. Hall
Carrie M. Hall
Illinois Institute of Technology,
10 W. 32nd St.,
Chicago, IL 60616
10 W. 32nd St.,
Chicago, IL 60616
Search for other works by this author on:
Wenbo Sui
Illinois Institute of Technology,
10 W. 32nd St.,
Chicago, IL 60616
10 W. 32nd St.,
Chicago, IL 60616
Jorge Pulpeiro González
Illinois Institute of Technology,
10 W. 32nd St.,
Chicago, IL 60616
10 W. 32nd St.,
Chicago, IL 60616
Carrie M. Hall
Illinois Institute of Technology,
10 W. 32nd St.,
Chicago, IL 60616
10 W. 32nd St.,
Chicago, IL 60616
Manuscript received April 23, 2018; final manuscript received October 24, 2018; published online November 28, 2018. Assoc. Editor: Alessandro Ferrari.
J. Eng. Gas Turbines Power. May 2019, 141(5): 051005 (12 pages)
Published Online: November 28, 2018
Article history
Received:
April 23, 2018
Revised:
October 24, 2018
Citation
Sui, W., Pulpeiro González, J., and Hall, C. M. (November 28, 2018). "Modeling and Control of Combustion Phasing in Dual-Fuel Compression Ignition Engines." ASME. J. Eng. Gas Turbines Power. May 2019; 141(5): 051005. https://doi.org/10.1115/1.4041871
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