The utility model provides a gasoline engine transient state air -fuel ratio optimal control device's technical scheme is such, includes engine, oil film compensating system and feedback control system, characterized by the engine input is connected with oil film compensating system, and the output...
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Clean air is essential for good health and the environment, not least in the large cities of the world. Energy efficiency All Topsoe solutions are designed for optimal energy efficiency to save fuel and reduce CO2 emissions. Topsoe also provides technologies for producing renewable fuels that can ...
A multi-level stochastic procedure is applied to obtain a robust plan, calculate the economic payback, and study the feasibility of the optimal system’s application using a novel combined economic-environmental ratio in Tabriz metropolitan city. The results showed that the costs of energy and ...
Gasoline engineAir-fuel ratio controlPiecewise affine modelHybrid model predictive controlThis paper deals with air-fuel ratio control for a gasoline combustion engine. The proposed approach is based on tracking of fuel mass flow reference using a nonlinear model of air and fuel path dynamics in ...
Hybrid MPC for gasoline engine air-fuel ratio control using optimal PWA approximationThe aim of this paper is to present a simple model of the intake manifold dynamics of a spark ignition (SI) engine and its possible application for estimation and control purposes. We focus on pressure dynamics...
Hybrid MPC for gasoline engine air-fuel ratio control using optimal PWA approximationdoi:10.1016/J.IFACOL.2017.08.643Marek HonekMartin GulanCristina VladBoris Roha-IlkivElsevier
Fuel reactivity and combustion rate are two important properties of the fuel in RCCI engines. Due to the lower reactivity and the faster combustion rate of methanol than gasoline, lower premixed ratio and more retarded SOI of diesel are adopted in M/D RCCI than G/D RCCI to avoid the ...
The relative air–fuel ratio was tuned to unity and the ignition timing was tuned for maximum engine torque. The experimental results indicated that the appropriate ethanol–gasoline mixing ratio can enhance engine torque output, especially at low engine speed. The brake thermal efficiency is maximum...
As for prechamber, when dilution ratio is greater than 37.1%, the combustion phase is advanced, resulting in fuel economy improving. Meanwhile, only when the dilution ratio is under 36.2%, the HC emissions of excess-air dilution are lower than the original engine. With ...