2 research outputs found
Analysis of Driver Behavior Modeling in Connected Vehicle Safety Systems Through High Fidelity Simulation
A critical aspect of connected vehicle safety analysis is understanding the impact of human behavior on the overall performance of the safety system. Given the variation in human driving behavior and the expectancy for high levels of performance, it is crucial for these systems to be flexible to various driving characteristics. However, design, testing, and evaluation of these active safety systems remain a challenging task, exacerbated by the lack of behavioral data and practical test platforms. Additionally, the need for the operation of these systems in critical and dangerous situations makes the burden of their evaluation very costly and time-consuming. As an alternative option, researchers attempt to use simulation platforms to study and evaluate their algorithms. In this work, we introduce a high fidelity simulation platform, designed for a hybrid transportation system involving both human-driven and automated vehicles. We decompose the human driving task and offer a modular approach in simulating a large-scale traffic scenario, making it feasible for extensive studying of automated and active safety systems. Furthermore, we propose a human-interpretable driver model represented as a closed-loop feedback controller. For this model, we analyze a large driving dataset to extract expressive parameters that would best describe different driving characteristics. Finally, we recreate a similarly dense traffic scenario within our simulator and conduct a thorough analysis of different human-specific and system-specific factors and study their effect on the performance and safety of the traffic network
Augmented Driver Behavior Models for High-Fidelity Simulation Study of Crash Detection Algorithms
Developing safety and efficiency applications for Connected and Automated
Vehicles (CAVs) require a great deal of testing and evaluation. The need for
the operation of these systems in critical and dangerous situations makes the
burden of their evaluation very costly, possibly dangerous, and time-consuming.
As an alternative, researchers attempt to study and evaluate their algorithms
and designs using simulation platforms. Modeling the behavior of drivers or
human operators in CAVs or other vehicles interacting with them is one of the
main challenges of such simulations. While developing a perfect model for human
behavior is a challenging task and an open problem, we present a significant
augmentation of the current models used in simulators for driver behavior. In
this paper, we present a simulation platform for a hybrid transportation system
that includes both human-driven and automated vehicles. In addition, we
decompose the human driving task and offer a modular approach to simulating a
large-scale traffic scenario, allowing for a thorough investigation of
automated and active safety systems. Such representation through Interconnected
modules offers a human-interpretable system that can be tuned to represent
different classes of drivers. Additionally, we analyze a large driving dataset
to extract expressive parameters that would best describe different driving
characteristics. Finally, we recreate a similarly dense traffic scenario within
our simulator and conduct a thorough analysis of various human-specific and
system-specific factors, studying their effect on traffic network performance
and safety