Quantitative Evaluation Methodology for Chassis-Domain Dynamics Performance of Automated Vehicles.

Area of Science:

• Automotive Engineering
• Robotics
• Control Systems

Background:

• Automated vehicles (AVs) require rigorous performance evaluation before deployment.
• Current challenges include complex chassis dynamics, diverse performance, and a lack of unified metrics.

Purpose of the Study:

• To propose a novel quantitative evaluation metric for AV chassis-domain performance.
• To address the need for comprehensive safety and comfort assessment in AVs.

Main Methods:

• Mathematical modeling of chassis-domain dynamics.
• Vehicle spatiotemporal signal analysis.
• Defining and analyzing multiperformance appraisal problems.
• Developing a rigorous metric leveraging steady boundaries for normalization.

Main Results:

• Mathematically explicit chassis steady boundaries for various vehicle maneuvers were revealed.
• A comprehensive metric quantifying AV safety and comfort performance was developed.
• The metric effectively normalizes performance using steady boundaries.

Conclusions:

• The proposed methodology provides a quantitative approach to assess integrated dynamics performance of AVs.
• Demonstrated effectiveness across various scenarios.
• Facilitates essential prerequisite for AV release and deployment.