Validation of uncertainty estimation in engine cold start
by Selina Pan; Akhil Neti; Nikhil Neti; Andreas Hansen; J. Karl Hedrick
International Journal of Powertrains (IJPT), Vol. 6, No. 3, 2017

Abstract: The engine cold start period produces the majority of harmful hydrocarbon emissions during engine operation, and, therefore, the reduction of such emissions is key to maintaining ultra low emission vehicle standards. Emissions reduction can be achieved by the design and implementation of controllers with effective tracking performance and estimation of uncertain parameters in the system. Effective tracking performance can be achieved by driving down error in the tracking of desired engine state trajectories. Estimation of uncertainty can be achieved through the use of an adaptive controller. In this work, an adaptive sliding controller is designed in order to achieve both goals, and implemented on an engine test cell. Experimental results show the reduction of the tracking error as well as estimation of model uncertainty in the engine test cell.

Online publication date: Tue, 07-Nov-2017

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