Control Studies of an Automotive Turbocharged Diesel Engine with Variable Geometry Turbine

1988 ◽  
Author(s):  
D.E. Winterbone ◽  
S. Jai In
Keyword(s):  
Diesel Engine ◽  
Variable Geometry ◽  
Turbocharged Diesel Engine ◽  
Variable Geometry Turbine

Nonlinear Control of a Turbocharged Diesel Engine for Powertrain Control Applications

2000 ◽  
Author(s):  
Jonas Fredriksson ◽  
Bo Egardt
Keyword(s):  
Diesel Engine ◽  
Combustion Efficiency ◽  
Torque Control ◽  
Variable Geometry ◽  
Nonlinear Controller ◽  
Turbocharged Diesel Engine ◽  
Control Applications ◽  
Engine Torque ◽  
Powertrain Control ◽  
Variable Geometry Turbine

Abstract This paper concerns the problem of controlling a diesel engine with a variable geometry turbine (VGT). The idea presented is to use the variable geometry of the turbine for controlling the amount of inlet air and the objective is to combine air-to-fuel ratio control with engine speed or engine torque control. The nonlinear controller is designed using so called backstepping. The control strategy seems to have a great potential, since the combustion efficiency can be kept high while reducing the turbo-lag and the emission level. The control algorithms can be extended to handle powertrain control applications. The application studied here is control of driveline oscillations.

scholarly journals Formation of Static Characteristics of a Diesel Engine

2020 ◽  
pp. 43-50
Author(s):  
A.G. Kuznetsov ◽  
S.V. Kharitonov
Keyword(s):  
Diesel Engine ◽  
Power Plants ◽  
Guide Vane ◽  
Fuel Efficiency ◽  
Maximum Pressure ◽  
Variable Geometry ◽  
Static Characteristics ◽  
Fuel Supply ◽  
Air Supply ◽  
Variable Geometry Turbine

The introduction of modern diesel fuel supply systems and the use of electronic components in control systems provide new possibilities for shaping engine characteristics targeted at specific energy consumers. Under these conditions, the type of engine characteristics is determined by the operation of the air supply system. This work examines the formation of static characteristics for a promising D500 diesel engine for train and ship power plants. Modeling of the diesel operation modes is carried out on computer models in the MATLAB/Simulink and Diesel-RK software packages. Variants of the full-load curves of the diesel engine are presented for different ways of turbocharger control: using a turbine of variable geometry and with sequential turbocharging. The fuel supply is limited according to the air-fuel ratio and the maximum pressure in the engine cylinders. For a variable geometry turbine, a matrix of the positions of the guide vane blades is obtained from the condition of optimizing diesel modes for fuel efficiency. Possibilities to obtain the efficiency characteristic that would provide the minimal fuel consumption for train and ship power plants are shown.

The Evolution Required in Standard Cars for the Use of New EGR-VGT Control Strategies

2005 ◽  
Author(s):  
J. F. Arnold ◽  
N. Langlois ◽  
H. Chafouk
Keyword(s):  
Diesel Engine ◽  
Control Strategies ◽  
Low Cost ◽  
Intake Manifold ◽  
Variable Geometry ◽  
Emission Norm ◽  
Variable Geometry Turbine ◽  
The Cost ◽  
Intake Manifold Pressure ◽  
New Strategies

This paper is a study into the possibility of using new control strategies in a standard car. The air system of a diesel engine equipped with a variable geometry turbine and an EGR system (EGR valve and throttle) is considered. New strategies, like GPC or H∞ permit an improvement of the control of both the fresh air flow and the intake manifold pressure. These strategies are not used today in standard car due to the mismatch of both the instrumentation of the ECU’s calculation power. The cost of proposed technology to meet the next emission norm are presented. Some low cost solutions are presented to permit an improvement of the engine control.

Modeling and Analysis of a Turbocharged Diesel Engine with Variable Geometry Compressor System

2011 ◽  
Vol 4 (2) ◽  
pp. 2405-2417 ◽  
Author(s):  
Marcello Canova ◽  
Massimiliano Taburri ◽  
Lisa Fiorentini ◽  
Fabio Chiara ◽  
Yue-Yun Wang
Keyword(s):  
Diesel Engine ◽  
Variable Geometry ◽  
Turbocharged Diesel Engine ◽  
Modeling And Analysis
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