A Modular Approach to Physical Modeling Using MATLAB, Simulink, and Simscape for Automobile System Modeling

Learn how Volvo Cars designed a robust modular simulations platform for simulation, analysis, and optimization of engineering systems with dynamic control blocks. The systems are modeled to accommodate multifidelity models based on the depth of physics and the purpose of application. Based on the requirements, one can use a 2D or a 3D model within the same architecture at the expense of time for better resolution in specific parts of the systems. The components in the system are modeled for continuous development (CD) and continuous integration (CI). The system is composed of vehicle dynamics, transmission, electrical, and thermal systems. The systems are modeled using the conservation principles of classical physics.

Creating these models and systems in this fashion helps in estimating energy efficiency, performance, and design validation in all stages of the vehicle development process. The systems and modular approach allow for a single platform used for multiple dedicated purposes, such as SIL and HIL testing. The solution execution times are so small that a large combination of vehicle configurations can be simulated—reducing the CAE cost, energy usage, and CO2 emission and generating data. In the future, the collected data will be used with machine learning to improve efficiency in real-time drive.