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Author:

Shang, Fei (Shang, Fei.) | Zhan, Jingyuan (Zhan, Jingyuan.) | Chen, Yangzhou (Chen, Yangzhou.) (Scholars:陈阳舟)

Indexed by:

EI Scopus SCIE

Abstract:

With the rapid development of urban rail transit systems and the consequent sharp increase of energy consumption, the energy-saving train operation problem has been attracting much attention. Extensive studies have been devoted to optimal control of a single metro train in an inter-station run to minimize the energy consumption. However, most of the existing work focuses on offline optimization of the energy-saving driving strategy, which still needs to be tracked in real train operation. In order to attain better performance in the presence of disturbances, this paper studies the online optimization problem of the energy-saving driving strategy for a single metro train, by employing the model predictive control (MPC) approach. Firstly, a switched-mode dynamical system model is introduced to describe the dynamics of a metro train. Based on this model, an MPC-based online optimization problem is formulated for obtaining the optimal mode switching times with minimal energy consumption for a single train in an inter-station run. Then we propose an algorithm to solve the constrained optimization problem at each time step by utilizing the exterior point penalty function method. The proposed online optimal train control algorithm which determines the mode switching times can not only improve the computational efficiency but also enhances the robustness to disturbances in real scenarios. Finally, the effectiveness and advantages of this online optimal train control algorithm are illustrated through case studies of a single train in an inter-station run.

Keyword:

online metro train model predictive control energy saving switched-mode dynamical systems

Author Community:

  • [ 1 ] [Shang, Fei]Beijing Univ Technol, Beijing Key Lab Traff Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zhan, Jingyuan]Beijing Univ Technol, Coll Artificial Intelligence & Automat, Beijing 100124, Peoples R China
  • [ 3 ] [Chen, Yangzhou]Beijing Univ Technol, Coll Artificial Intelligence & Automat, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 陈阳舟

    [Chen, Yangzhou]Beijing Univ Technol, Coll Artificial Intelligence & Automat, Beijing 100124, Peoples R China

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Source :

ENERGIES

Year: 2020

Issue: 18

Volume: 13

3 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:115

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

Online/Total:706/10680011
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