Robust Design of Connected Cruise Control Among Human-Driven Vehicles

This paper presents the robustness analysis for the head-to-tail string stability of connected cruise controllers that utilize motion information of human-driven vehicles ahead. In particular, we consider uncertainties arising from the feedback gains and reaction time delays of the human drivers. We...

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Bibliographic Details
Published in:IEEE transactions on intelligent transportation systems 2020-02, Vol.21 (2), p.749-761
Main Authors: Hajdu, David, Ge, Jin I., Insperger, Tamas, Orosz, Gabor
Format: Article
Language:English
Subjects:
Connected vehicles
Control stability
Cruise control
Delay effects
Delays
Human motion
Motion stability
Reaction time
Robust control
Robust design
robustness
Stability analysis
Strings
structured singular values
Substitution reactions
Tightness
Uncertainty
Vehicle-to-everything
Vehicles
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Summary:This paper presents the robustness analysis for the head-to-tail string stability of connected cruise controllers that utilize motion information of human-driven vehicles ahead. In particular, we consider uncertainties arising from the feedback gains and reaction time delays of the human drivers. We utilize the linear fractional transformation and the M-Δ uncertain interconnection structure to represent the uncertainties in the block-diagonal matrix Δ. The uncertain gains are directly incorporated in the uncertain interconnection structure, while the uncertain time delays are taken into account using the Rekasius substitution that preserves the tightness of the robustness bounds. This modeling framework scales are well for large-size connected vehicle systems. We demonstrate through two case studies how parameters in the connected cruise controller can be selected to ensure the robust string stability. Theoretical results are supported by the experiments that highlight the advantage of robust control designs.
ISSN:1524-9050
1558-0016
DOI:10.1109/TITS.2019.2897149