...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...

..., NJ . 34 Heywood , J. , 1988 , Internal Combustion Engine Fundamentals , McGraw-Hill, Inc. , New York . 35 Nicolao , G. D. , Scattolini , R. , and Siviero , C. , 1996 , “ Modelling the Volumetric Efficiency of IC Engines: Parametric, Non-Parametric and Neural...

... Diagnostics for Internal Combustion Engines ,” J. Dyn. Syst., Measure., Control , 129 ( 1 ), pp. 32 – 40 . 10.1115/1.2397150 Developed is a model based diagnostic method for automobile three-way catalysts health. The method is founded on automated processes for model structure identification; model...

.... In this paper, the closed-loop system identification approach is employed to obtain the VVT subsystem model of an internal combustion engine. System identification using closed-loop experimental input and output data was developed in the 1970s ( 5 ) and it has been widely used in engineering practices ( 6 7 8...

...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...

... in internal combustion engines. Improvements in efficiency of up to 15–20% compared with a conventional spark ignited (SI) engine are possible (Zhao et al. ( 1 )), making HCCI efficiencies comparable to diesel engines. Unlike diesel combustion, however, the lack of fuel-rich regions in HCCI results in little...

... adopted for the design and fitting of new products. 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...

... cycles is developed and demonstrated. 31 07 2007 11 09 2008 08 12 2008 engine cylinders internal combustion engines pressure measurement shafts The ability to estimate a parameter from currently measured data is needed in many aspects of engine controls. The parameter...

... of Investigations Using the Second Law of Thermodynamics to Study Internal-Combustion Engines ,” SAE Paper No. 2000-01-1081. Caton , J. A. , 2000 , “ On the Destruction of Availability (Exergy) Due to Combustion Processes—With Specific Application to Internal-Combustion Engines ,” Energy 0360-5442...

...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...

... the implementation of the proposed control scheme in real time. 10 01 2005 12 02 2007 neurocontrollers internal combustion engines predictive control nonlinear control systems linearisation techniques neural networks predictive control nonlinear control engine control real-time...

... results demonstrate that the designed controller regulates the tailpipe air-fuel ratio to the preset reference for the full engine operating range. 11 11 2005 25 01 2007 internal combustion engines automotive components fuel economy feedback delays exhaust systems control system...

... in-cylinder gas composition for engine control purposes. internal combustion engines air pollution control combustion observers Combustion in internal combustion engines (flame front speed, heat release, in-cylinder temperature,…) is strongly affected by the composition of the mixture...

... 07 2006 internal combustion engines control system synthesis feedback velocity control transfer functions auto-tuning consistency analysis continuous-time systems derivative estimation identification instrumental variables PRBS system identification Instrumental...

...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...