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2014 | Buch

Introduction Kapitel lesen Erstes Kapitel lesen

Engine Modeling and Control

Modeling and Electronic Management of Internal Combustion Engines

verfasst von: Rolf Isermann

Verlag: Springer Berlin Heidelberg

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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SUCHEN

Über dieses Buch

The increasing demands for internal combustion engines with regard to fuel consumption, emissions and driveability lead to more actuators, sensors and complex control functions. A systematic implementation of the electronic control systems requires mathematical models from basic design through simulation to calibration.

The book treats physically-based as well as models based experimentally on test benches for gasoline (spark ignition) and diesel (compression ignition) engines and uses them for the design of the different control functions. The main topics are:

- Development steps for engine control

- Stationary and dynamic experimental modeling

- Physical models of intake, combustion, mechanical system, turbocharger, exhaust, cooling, lubrication, drive train

- Engine control structures, hardware, software, actuators, sensors, fuel supply, injection system, camshaft

- Engine control methods, static and dynamic feedforward and feedback control, calibration and optimization, HiL, RCP, control software development

- Control of gasoline engines, control of air/fuel, ignition, knock, idle, coolant, adaptive control functions

- Control of diesel engines, combustion models, air flow and exhaust recirculation control, combustion-pressure-based control (HCCI), optimization of feedforward and feedback control, smoke limitation and emission control

This book is an introduction to electronic engine management with many practical examples, measurements and research results. It is aimed at advanced students of electrical, mechanical, mechatronic and control engineering and at practicing engineers in the field of combustion engine and automotive engineering.

Inhaltsverzeichnis

Frontmatter
Chapter 1. Introduction
Abstract
The increasing electronification and electrification is a dominant feature of modern automotive developments. This is demonstrated by an increasing part of electrics/electronics (E/E) of the manufacturing costs from about 20 % in 1995 to 35 % in 2012.
Rolf Isermann

Engine Modeling and Identification Methods

Frontmatter
Chapter 2. On Theoretical Modeling of Multiple-Domain Processes
Abstract
The temporal behavior of multiple-domain systems, such as internal combustion engines, drivetrains and auxiliary units, can be described with the help of system theory according to uniform methods. For this, however, mathematical models have to exist for the static and dynamic behavior of the system components or the processes.
Rolf Isermann
Chapter 3. Experimental Modeling of Engines
Abstract
Several parts of engines cannot be modeled in a theoretical way only, because the mathematical formulation of parts of the processes is not precisely known or the computational expense is too large with regard to control and diagnosis applications. This holds for example for the flame propagation, pressure and temperature development of gasoline engines and for the spray development and combustion of diesel engines, both under the influence of valve-induced turbulent flow, swirl and tumble motion. Also precise and computational simple theoretical models for the emissions depending on several manipulated variables are not available.
Rolf Isermann

Engine Models

Frontmatter
Chapter 4. General Combustion Engine Models
Abstract
As a systematic development of sophisticated control and diagnosis functions for internal combustion engines requires precise stationary and dynamic mathematical models, this chapter is devoted to treating physical-oriented models of engine components. According to Table 1.4.1 the models for the most important engine parts are considered, taking their different physical domains into account. The modeling approaches begin with the intake systems and continue with the fuel supply and injection system, and a description of the combustion cycles with combustion pressure and heat release analysis. Then the mean value and dynamic torque generation with the piston/crankshaft system, turbochargers with wastegate and variable geometry manipulation, the exhaust system with catalysts and filters and the cooling system with different kinds of heat exchangers are considered. These mathematical models lay the background for the design of the control structures in Chap. 5, the design of control functions of gasoline engines, Chap. 7 and of diesel engines, Chap. 8. For several components the basic mathematical models for gasoline and diesel engines are the same or at least similar. Where necessary, the component models were separately derived for both engine types in Chaps. 7 and 8 as, e.g. for the injection system, operating cycles, and the exhaust system.
Rolf Isermann

Engine Control

Frontmatter
Chapter 5. Engine Control Structure and Components
Abstract
The electronic engine control represents the center for commanding different combustion engine functions. It consists of the electronic control unit (ECU), the sensors and actuators, and the communication system. In the following, a view on the structures of ECU’s and an overview of control components like sensors and actuators and some auxiliary units are given.
Rolf Isermann
Chapter 6. Engine-Control Methods and Calibration
Abstract
The design and implementation of engine control functions has developed into a sophisticated and labor-intensive procedure. This is for many reasons, among them the high multi-variable complexity of engine control, the high performance requirements of suppliers, manufacturers and customers, and legislative certification limits for fuel consumption and emissions, and competition.
Rolf Isermann
Chapter 7. Control of Gasoline Engines
Abstract
The control structure of gasoline engines follows by considering the main components, the main control tasks and a resulting control-oriented block diagram of direct injection (DI) gasoline engines (or spark-ignition (SI) engines) as described in the introduction chapter.
Rolf Isermann
Chapter 8. Control of Diesel Engines
Abstract
The main components, the main control tasks and a resulting control-oriented block diagram for turbocharged diesel engines were already discussed in Sect. 1.3.1.
Rolf Isermann
Backmatter
Metadaten
Titel
Engine Modeling and Control
verfasst von
Rolf Isermann
Copyright-Jahr
2014
Verlag
Springer Berlin Heidelberg
Electronic ISBN
978-3-642-39934-3
Print ISBN
978-3-642-39933-6
DOI
https://doi.org/10.1007/978-3-642-39934-3

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