Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/9C6B87DC-95D1-4FE9-AD66-E7979D9780D0 | ||
| Year | 2011 | ||
| Type of Item | Conference Full Paper | ||
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| Bibliographic Citation | R.C. Carlson, I. Papamichail, M. Papageorgiou, "Comparison of local feedback controllers for the mainstream traffic flow on freeways using variable speed limits," in 14th International IEEE Conference on Intelligent Transportation Systems, 2011, pp. 2160-2167. doi: 10.1109/ITSC.2011.6082967 https://doi.org/10.1109/ITSC.2011.6082967 | ||
| Appears in Collections |
Two simple controllers for local feedback mainstream traffic flow control (MTFC) on freeways, enabled via Variable Speed Limits (VSL), are proposed. Both controllers are evaluated and compared to a previously developed local MTFC feedback cascade controller and to a sophisticated optimal control approach. All feedback controllers rely on readily available real-time measurements; are simple and robust; and take into account a number of practical and safety restrictions; therefore being suitable for implementations in the field. The evaluations are conducted for a hypothetical freeway network by use of a validated second-order macroscopic traffic flow model. The results show that the feedback controllers exhibit a satisfactory control behavior and, indeed, approach the optimal control results. Recommendations for the operation of the feedback controllers are given.
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