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An investigation of model-based techniques for automotive electronic system development

Over the past decades, the adoption of electronic systems for the manufacturing of 
automotive vehicles has been exponentially popularized. This growth has been 
driven by the premium automobile sector where, presently, diverse electronic 
systems are used. These electronic systems include systems that control the engine, 
transmission, suspension and handling of a vehicle; air bag and other advanced 
restraint systems; comfort systems; security systems; entertainment and 
information (infotainment) systems. In systems terms, automotive embedded 
electronic systems can now be classified as a System of Systems (SoS). 
Automotive systems engineering requires a sustainable integration of new methods, 
development processes, and tools that are specifically adapted to the automotive 
domain. Model-based design is one potential methodology to carry out design, 
implement and manage such complex distributed systems, and their integration into 
one cohesive and reliable SoS to meet the challenges for the automotive industry. 
This research was conducted to investigate the model-based design of a 4×4 
Information System, within an automotive electronic SoS. Two distinct 
model-based approaches to the development of an automotive electronic system are 
discussed in this study. The first approach involves the use of the Systems 
Modelling Language (SysML) based tool ARTiSAN Studio for structural 
modelling, functional modelling and code generation. The second approach involves the use of the MATLAB based tools Simulink and Stateflow for 
functional modelling, and code generation. The results show that building the 
model in SysML by using ARTiSAN Studio provides a clearly structured 
visualization of the 4×4 Information System from both structural and behavioural 
viewpoints of the system with relevant objects. SysML model facilitates a more 
comprehensive understanding of the system than the model built in 
Simulink/Stateflow. The Simulink/Stateflow model demonstrates its superior 
performance in producing high quality and better efficiency of C code for the 
automotive software delivery compared with the model built in ARTiSAN Studio. 
Furthermore, this Thesis also gets insight into an advanced function development 
approach based on the real-time simulation and animation for the 4×4 Information 
System. Finally, the Thesis draws conclusions about how to make use of 
model-based design for the development of an automotive electronic SoS.