Print Email Facebook Twitter String Stability of Heterogeneous Platoons with Non-connected Automated Vehicles Title String Stability of Heterogeneous Platoons with Non-connected Automated Vehicles Author Wang, M. (TU Delft Transport and Planning) Li, Honghai GAO, Jian Huang, Zichao li, Bin van Arem, B. (TU Delft Transport and Planning) Department Transport and Planning Date 2017 Abstract It is expected that automated vehicles will gradually penetrate on public roads, resulting in mixed traffic in the next decades. This can impact traffic flow operations, especially the roadway capacity and flow stability. It is of paramountimportance to understand and predict the implications of automated driving systems on traffic flow at the early design phase to avoid disruptive impacts on traffic. String stability properties of automated vehicle platoons are a fundamentalblock to understand their traffic flow stability impact. Previous reports on string stability analysis focussed on homogeneous vehicle strings and simplify the time delays in vehicle systems. This work propose an analytical approach to determine string stability conditions for non-connected vehicle platoons with heterogeneous parameters. To this end, a third-order linear vehicle dynamics model is used in the control design and Laplace transform of the spacing and speed error dynamics in time domain to frequency domain enables the determination of sufficient string stability criteria of heterogeneous vehicle strings. The analytical string stability conditions give new insights into the relationship between the string stability properties of vehicle strings in relation to the system properties of time delays and controller design parameters of feedback gains and desired time gap. Analytical results are verified viasystematic simulation of both homogeneous and heterogeneous strings. Simulations demonstrate the predictive power of the analytical string stability conditions. To reference this document use: http://resolver.tudelft.nl/uuid:0b91ec0f-dc99-4c8d-98da-f3c3cd6f16d1 DOI https://doi.org/10.1109/ITSC.2017.8317792 Publisher IEEE Source Proceedings of the 2017 IEEE 20th International Conference on Intelligent Transportation Systems: Yokohama, Japan Event 20th IEEE International Conference on Intelligent Transport Systems, ITSC 2017, 2017-10-16 → 2017-10-19, Mielparque Yokohama, Yokohama, Japan Part of collection Institutional Repository Document type conference paper Rights © 2017 M. Wang, Honghai Li, Jian GAO, Zichao Huang, Bin li, B. van Arem Files PDF ITSC_2017.pdf 1.47 MB Close viewer /islandora/object/uuid:0b91ec0f-dc99-4c8d-98da-f3c3cd6f16d1/datastream/OBJ/view