Evaluation de performance d'une ligne ferroviaire suburbaine partiellement équipée d'un automatisme CBTC

Abstract : In high-density area, the demand for railway transportation is continuously increasing. Operating companies turn to new intelligent signaling and control systems, such as Communication Based Train Control (CBTC) to operate trains in automatic pilot and increase the line capacity without expensive modification of infrastructures. CBTC systems can also include a supervision module in charge of adapting train behavior according to operating objectives and to disturbances, increasing line robustness. Making the most of the state-of-the-art regarding subway and railway systems, the presented work intend to contribute to the design of supervision and rescheduling functions of CBTC systems operating suburban railway systems. Our approach starts by designing a supervision module for a standard CBTC system. Then, we propose a rescheduling method based on a model predictive control approach and a multiobjective optimization of automatic train commands. A simulation tool (SIMONE) was developed by SNCF in association with the presented work to evaluate the proposed approach on disturbed scenarios and to compare its performances with an individual heuristic strategy. The proposed multiobjective method provides good solutions to the rescheduling problem and over-performs the individual strategy. We conclude with interesting perspectives for future work.
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Juliette Pochet. Evaluation de performance d'une ligne ferroviaire suburbaine partiellement équipée d'un automatisme CBTC. Automatique / Robotique. Université Paris Saclay, 2018. Français. ⟨tel-01812510⟩

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