...Yue-Yun Wang; Ibrahim Haskara Engine exhaust backpressure is a critical parameter in the calculation of the volumetric efficiency and exhaust gas recirculation flow of an internal combustion engine. The backpressure also needs to be controlled to a presetting limit under high speed and load engine...

... only minimal valve motion that would be easily achievable on current production engines equipped with cam phasers. 16 02 2010 09 06 2011 05 12 2011 05 12 2011 combustion exhaust systems fuel systems intake systems (machines) internal combustion engines thermodynamics...

... is implemented as naturally aspirated without any mechanical improvements (i.e., turbo and VVT) and used as a virtual engine test bed for model-based control design. Entire car dynamics, including the internal combustion engine, vehicle dynamics, the control unit, road load, as well as the driver behavior...

... ensures that the TWC is functioning at an acceptable efficiency level keeping emissions within mandated requirements. automobiles catalysts condition monitoring fault diagnosis internal combustion engines least squares approximations 24 11 2008 19 02 2011 05 08 2011 05...

... 11 08 2010 09 03 2011 09 03 2011 actuators camshafts internal combustion engines open loop systems position control valves The continuously variable valve timing (VVT) system was developed in the early 1990s ( 1 ). The benefits of using VVT for internal combustion...

...Andreas A. Malikopoulos; Panos Y. Papalambros; Dennis N. Assanis Advanced internal combustion engine technologies have afforded an increase in the number of controllable variables and the ability to optimize engine operation. Values for these variables are determined during engine calibration...

...Jia Ma; Guoming G. Zhu; Harold Schock This paper presents a detailed model of a novel electropneumatic valve actuator for both engine intake and exhaust valves. The valve actuator’s main function is to provide variable valve timing and variable lift capabilities in an internal combustion engine...

...T. Mitchell; M. Salah; J. Wagner; D. Dawson The automotive cooling system has unrealized potential to improve internal combustion engine performance through enhanced coolant temperature control and reduced parasitic losses. Advanced automotive thermal management systems use controllable actuators...

...Zongxuan Sun Fully flexible valve actuation (FFVA) system, often referred to as camless valvetrain, employs electronically controlled actuators in place of the camshaft to drive the intake or exhaust valves for internal combustion engines (ICEs). This system offers significant fuel economy benefits...

...Ingemar Andersson; Lars Eriksson A model for the thermal part of an ionization signal is presented that connects the ionization current to cylinder pressure and temperature in a spark ignited internal combustion engine. One strength of the model is that, after calibration, it has only two free...

... Control of Combustion Timing and Peak Pressure on an HCCI Engine ,” Proceedings of the American Control Conference , pp. 3871 – 3876 . exhaust systems ignition internal combustion engines optimal control pressure control HCCI is a promising approach for increasing efficiency...

... , 40 ( 5 ), pp. 853 – 864 . 13 08 2007 14 08 2008 08 12 2008 clutches combustion design engineering fuel economy internal combustion engines interpolation robust control torque convertors torque converter lock-up clutch slip control system robust control...

... cycles is developed and demonstrated. In both compression (CI) and spark ignition (SI) internal combustion engines, a great deal of research has been focused on the estimation of cylinder pressure, indicated mean effective pressure (IMEP), or engine torque from signals that have already been measured...

... entropy internal combustion engines optimal control pistons thermodynamics combustion entropy generation expansion work IC engines maximum principle optimal control Pontryagin thermodynamics Based on Pontryagin’s maximum principle, the costates at final time t f must...

...Shiwei Wang; D. L. Yu A novel application of a second-order sliding mode control (SMC) scheme to the air-fuel ratio (AFR) control of automobile internal combustion engines is developed in this paper. In this scheme, the sliding surface S [ x ( t ) ] is steered to zero in finite time by using...

... , Barcelona, Spain . Heywood , J. B. , 1988 , Internal Combustion Engine Fundamentals , McGraw-Hill , New York . Talon , V. , 2004 , “ Modélisation 0-1D des Moteurs à Allumage Commandé ,” PhD thesis, Université d’Orléans. Nørgaard , M. , 2000 , “ Neural Network Based System...

... results demonstrate that the designed controller regulates the tailpipe air-fuel ratio to the preset reference for the full engine operating range. Heywood , J. B. , 1988 , Internal Combustion Engine Fundamentals , McGraw - Hill , New York. Asik , J. R. , Farkas , R. , Beier...

... manifold out leaving ref reference th throttle 10 02 2005 10 10 2006 internal combustion engines air pollution control combustion observers Combustion in internal combustion engines (flame front speed, heat release, in-cylinder temperature,…) is strongly...

... – 627 . Söderström , T. , 1975 , “ Ergodicity Results for Sample Covariances ,” Probl. Control Inf. Theory , 4 ( 2 ), pp. 131 – 138 . 15 11 2004 14 07 2006 internal combustion engines control system synthesis feedback velocity control transfer functions auto...

...Matthew A. Franchek; Patrick J. Buehler; Imad Makki Presented is the detection, isolation, and estimation of faults that occur in the intake air path of internal combustion engines during steady state operation. The proposed diagnostic approach is based on a static air path model, which is adapted...