Model-Based Design Approach for Validation of Vehicle Longitudinal Control Algorithm

Authors

  • Jordan Olson The University of Alabama
  • Brandon Stevens The University of Alabama
  • Ashley Phan The University of Alabama
  • Hwan-Sik Yoon The University of Alabama
  • Paul Puzinauskas The University of Alabama

DOI:

https://doi.org/10.47611/jsr.v11i2.1638

Keywords:

Model-Based Design, Adaptive Cruise Control, Model-In-the-Loop, Hardware-In-the-Loop

Abstract

In this paper, model-based testing strategies are described for the validation of an Adaptive Cruise Control (ACC) algorithm developed for a 2019 Chevrolet Blazer as part of the EcoCAR Mobility Challenge. A team of undergraduate and graduate students developed testing procedures to assess model fidelity, and to identify and resolve issues with the algorithm before deployment to a student-modified production vehicle. The algorithm validation is conducted via three progressive levels of validation environments: Model-In-the Loop (MIL), Hardware-In-the-Loop (HIL), and Driver-In-the-Loop (DIL). When the ACC algorithm is evaluated using system requirements in the testing sequence, the MIL environment performs the tests at least 87% faster than the HIL environment. The MIL environment can also utilize parallel computing, which leverages multi-core CPUs to conduct multiple simulations simultaneously. Although comparisons between MIL and HIL results revealed good agreements, slight differences in system dynamics highlights a need for future Vehicle-In-the-Loop (VIL) testing. By showing how the concepts can be applied to the validation of an autonomous feature in a vehicle with detailed test scenarios and evaluation metrics, the paper will serve as a good reference for the students and engineers interested in this field.

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Published

06-12-2022

How to Cite

Olson, J., Stevens, B., Phan, A., Yoon, H.-S., & Puzinauskas, P. (2022). Model-Based Design Approach for Validation of Vehicle Longitudinal Control Algorithm. Journal of Student Research, 11(2). https://doi.org/10.47611/jsr.v11i2.1638

Issue

Section

Research Articles