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V. De Martinis, "Enhancing the calibration of train resistance parameters with power measurements", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 1, Paper 31.20, 2022, doi:10.4203/ccc.1.31.20

Keywords: calibration, resistance parameters, optimization, power measurements.

Abstract

The on-board collection of data related to train operation enables a better calibration of the train resistances, which are fundamental for the elaboration of optimized train control solutions. Here, the possibility to implement a calibration of train resistances models based on power measurements is investigated. For this purpose, a huge dataset of train runs data collected by a Swiss train operator has been analysed. The train runs of three train types, operating on three different lines, have been extracted and used for the calibration phase. The calibration model is formulated as an optimization problem for parameters fitting and a Global Optimization Multi Start approach is used for finding the suboptimal solution. The performances of the model are therefore discussed together with possible further investigation.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 1 PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 31.20 Enhancing the calibration of train resistance parameters with power measurements V. De Martinis Institute for Data Analysis and Process Design, Zurich University of Applied Sciences, Zurich, Switzerland doi:10.4203/ccc.1.31.20 Full Bibliographic Reference for this paper V. De Martinis, "Enhancing the calibration of train resistance parameters with power measurements", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 1, Paper 31.20, 2022, doi:10.4203/ccc.1.31.20 Keywords: calibration, resistance parameters, optimization, power measurements. Abstract The on-board collection of data related to train operation enables a better calibration of the train resistances, which are fundamental for the elaboration of optimized train control solutions. Here, the possibility to implement a calibration of train resistances models based on power measurements is investigated. For this purpose, a huge dataset of train runs data collected by a Swiss train operator has been analysed. The train runs of three train types, operating on three different lines, have been extracted and used for the calibration phase. The calibration model is formulated as an optimization problem for parameters fitting and a Global Optimization Multi Start approach is used for finding the suboptimal solution. The performances of the model are therefore discussed together with possible further investigation. download the full-text of this paper (PDF, 7 pages, 284 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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