期刊
TRANSPORTATION RESEARCH PART C-EMERGING TECHNOLOGIES
卷 128, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trc.2021.103166
关键词
Car-following; Linear Control; Model Predictive Control; Convolved Gaussian Process; Heterogeneous CAVs; Traffic Dynamics
资金
- National Science Foundation [CMMI 1932932, CMMI 1932921, CMMI 1826162]
This paper develops a unifying framework to unveil the physical car-following behaviors of automated vehicles under different control paradigms and parameter settings. The proposed framework reveals the control mechanisms and their manifestation in the physical car-following behavior, and a predictive modeling approach is designed to predict the behavior of an AV. The analysis framework remains scalable and can guide AV control design that considers traffic-level performance.
This paper develops a unifying framework to unveil the physical car-following (CF) behaviors of automated vehicles (AVs) under different control paradigms and parameter settings. The proposed framework adopts the flexible asymmetric behavior (AB) model to reveal the control mechanisms and their manifestation in the physical CF behavior, particularly their response to traffic disturbances. A mapping relationship between the AB model parameters and control parameters is then obtained to understand the range of CF behavior possible. Finally, a predictive modeling approach based on a logistic classifier coupled with a convoluted Multivariate Gaussian Process (MGP) is designed to predict the CF behavior of an AV. Analysis of two well-known controllers, linear state-feedback and Model Predictive Control (MPC), show how the proposed framework can uncover the CF mechanisms and provide insights into traffic-level disturbance evolution. The proposed analysis framework remains scalable and can be applied to a variety of controllers. Ultimately, it can guide AV control design that is not myopic, but considers trafficlevel performance.
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