{"id":{"repo_id":"aachen","oai_identifier":"oai:publications.rwth-aachen.de:58834"},"canonical_url":"https://search.dev.ndltd.org/etd/aachen/oai:publications.rwth-aachen.de:58834","repository":{"repo_id":"aachen","name":"RWTH Aachen University","base_url":"https://publications.rwth-aachen.de/oai2d"},"display":{"title":"Rechnerunterstützte Konfliktermittlung und Entscheidungsunterstützung bei der Disposition des Zuglaufs","abstract":"While developing into modern and efficient organisations, railway companies are subject to market principles. Railway operation must be safe and on time, but must also be conducted efficiently and economically. Among the various aspects of operational control of railways, 'on-the-spot' (i. e. very short-term) train-path management plays an especially important role. In this process the 'path managers' decide about the sequence of the trains running on a network or parts of it. This is to be distinguished from the dispatchers, whose authorities are restricted to their respective signal box areas, and the timetable managers, who are responsible for long-term scheduling. In case of significant delays, a train-path manager may advise a dispatcher (who remains responsible for the safe dispatching of trains) to alter the sequence of trains with the aim of improving punctuality and efficiency. However, the quality of this conflict solution hinges on the quality of the data input from trains and infrastructure and on the quality of the 'on-the-spot' decision making required. Improving both has been the aim of this paper. The unique idea of this paper is to use the well-tried techniques of computer-aided timetable construction (long-term path management) for the automatic generation of 'on-the-spot' timetables supporting the decisions of train-path managers. The accurate modelling of the infrastructure and the exact calculation of occupation times have long been available in (long-term) scheduling and can be used for the exact calculation of timetables 'on-the-spot', as long-term scheduling and short-term train-path management are virtually the same processes but for different time corridors. The ASDIS program generates those 'on-the-spot' timetables automatically and gives the train-path managers the choice of either implementing them directly or devising a human-made modified solution. The timetables are free of conflicts between trains, as are their long-term counterparts, but are derived directly from the current state of operation. All subsequent changes of the state of operation lead to an update of the 'on-the-spot' timetable. The running time calculation takes into account the fact that delayed trains can make up some of their lost time by using slack built in the scheduled running time, so that an exact forecast of the actual schedule of the trains will be made. Even conflicts between trains that are bound to develop in the future can be recognised and solved early because the program applies the technique of asynchronous simulation, whereby train paths are not calculated on a strict sequential basis, but in the order given by the train hierarchies. This enables the program to be used for the 'on-the-spot' scheduling of trains in wider areas. Thus the automatic 'on-the-spot' scheduling of trains made possible by the ASDIS program contributes to an improvement of productivity, quality and flexibility in railway operation and supports its rationalisation.","abstract_html":"While developing into modern and efficient organisations, railway companies are subject to market principles. Railway operation must be safe and on time, but must also be conducted efficiently and economically. Among the various aspects of operational control of railways, 'on-the-spot' (i. e. very short-term) train-path management plays an especially important role. In this process the 'path managers' decide about the sequence of the trains running on a network or parts of it. This is to be distinguished from the dispatchers, whose authorities are restricted to their respective signal box areas, and the timetable managers, who are responsible for long-term scheduling. In case of significant delays, a train-path manager may advise a dispatcher (who remains responsible for the safe dispatching of trains) to alter the sequence of trains with the aim of improving punctuality and efficiency. However, the quality of this conflict solution hinges on the quality of the data input from trains and infrastructure and on the quality of the 'on-the-spot' decision making required. Improving both has been the aim of this paper. The unique idea of this paper is to use the well-tried techniques of computer-aided timetable construction (long-term path management) for the automatic generation of 'on-the-spot' timetables supporting the decisions of train-path managers. The accurate modelling of the infrastructure and the exact calculation of occupation times have long been available in (long-term) scheduling and can be used for the exact calculation of timetables 'on-the-spot', as long-term scheduling and short-term train-path management are virtually the same processes but for different time corridors. The ASDIS program generates those 'on-the-spot' timetables automatically and gives the train-path managers the choice of either implementing them directly or devising a human-made modified solution. The timetables are free of conflicts between trains, as are their long-term counterparts, but are derived directly from the current state of operation. All subsequent changes of the state of operation lead to an update of the 'on-the-spot' timetable. The running time calculation takes into account the fact that delayed trains can make up some of their lost time by using slack built in the scheduled running time, so that an exact forecast of the actual schedule of the trains will be made. Even conflicts between trains that are bound to develop in the future can be recognised and solved early because the program applies the technique of asynchronous simulation, whereby train paths are not calculated on a strict sequential basis, but in the order given by the train hierarchies. This enables the program to be used for the 'on-the-spot' scheduling of trains in wider areas. Thus the automatic 'on-the-spot' scheduling of trains made possible by the ASDIS program contributes to an improvement of productivity, quality and flexibility in railway operation and supports its rationalisation.","abstract_has_math":false,"creators":["Jacobs, Jürgen"],"institution":"Publikationsserver der RWTH Aachen University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Schwanhäußer, Wulf"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2003,"date_issued":"2003","date_published":"2003","updated_at":"2026-07-30T19:42:31Z","subjects":["info:eu-repo/classification/ddc/380","Handel, Kommunikation, Verkehr","Eisenbahnbetriebswissenschaft","Disposition","Simulation"],"languages":["ger"],"rights":["info:eu-repo/semantics/openAccess"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-120666%22"],"render_values":[{"text":"https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-120666%22","href":"https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-120666%22","code":true}]}]},"links":{"outbound_url":"https://publications.rwth-aachen.de/record/58834","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Schwanhäußer, Wulf"]},{"key":"dc:creator","label":"Author","values":["Jacobs, Jürgen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:coverage","label":"Dc Coverage","values":["DE"]},{"key":"dc:date","label":"Dc Date","values":["2003"]},{"key":"dc:publisher","label":"Institution","values":["Publikationsserver der RWTH Aachen University"]},{"key":"dc:relation","label":"Dc Relation","values":["info:eu-repo/semantics/altIdentifier/urn/urn:nbn:de:hbz:82-opus-5482"]},{"key":"dc:type","label":"Dc Type","values":["info:eu-repo/semantics/doctoralThesis","info:eu-repo/semantics/publishedVersion"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["info:eu-repo/classification/ddc/380","Handel, Kommunikation, Verkehr","Eisenbahnbetriebswissenschaft","Disposition","Simulation"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["ger"]},{"key":"dc:rights","label":"Dc Rights","values":["info:eu-repo/semantics/openAccess"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://publications.rwth-aachen.de/record/58834","https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-120666%22"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["While developing into modern and efficient organisations, railway companies are subject to market principles. Railway operation must be safe and on time, but must also be conducted efficiently and economically. Among the various aspects of operational control of railways, 'on-the-spot' (i. e. very short-term) train-path management plays an especially important role. In this process the 'path managers' decide about the sequence of the trains running on a network or parts of it. This is to be distinguished from the dispatchers, whose authorities are restricted to their respective signal box areas, and the timetable managers, who are responsible for long-term scheduling. In case of significant delays, a train-path manager may advise a dispatcher (who remains responsible for the safe dispatching of trains) to alter the sequence of trains with the aim of improving punctuality and efficiency. However, the quality of this conflict solution hinges on the quality of the data input from trains and infrastructure and on the quality of the 'on-the-spot' decision making required. Improving both has been the aim of this paper. The unique idea of this paper is to use the well-tried techniques of computer-aided timetable construction (long-term path management) for the automatic generation of 'on-the-spot' timetables supporting the decisions of train-path managers. The accurate modelling of the infrastructure and the exact calculation of occupation times have long been available in (long-term) scheduling and can be used for the exact calculation of timetables 'on-the-spot', as long-term scheduling and short-term train-path management are virtually the same processes but for different time corridors. The ASDIS program generates those 'on-the-spot' timetables automatically and gives the train-path managers the choice of either implementing them directly or devising a human-made modified solution. The timetables are free of conflicts between trains, as are their long-term counterparts, but are derived directly from the current state of operation. All subsequent changes of the state of operation lead to an update of the 'on-the-spot' timetable. The running time calculation takes into account the fact that delayed trains can make up some of their lost time by using slack built in the scheduled running time, so that an exact forecast of the actual schedule of the trains will be made. Even conflicts between trains that are bound to develop in the future can be recognised and solved early because the program applies the technique of asynchronous simulation, whereby train paths are not calculated on a strict sequential basis, but in the order given by the train hierarchies. This enables the program to be used for the 'on-the-spot' scheduling of trains in wider areas. 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The unique idea of this paper is to use the well-tried techniques of computer-aided timetable construction (long-term path management) for the automatic generation of 'on-the-spot' timetables supporting the decisions of train-path managers. The accurate modelling of the infrastructure and the exact calculation of occupation times have long been available in (long-term) scheduling and can be used for the exact calculation of timetables 'on-the-spot', as long-term scheduling and short-term train-path management are virtually the same processes but for different time corridors. The ASDIS program generates those 'on-the-spot' timetables automatically and gives the train-path managers the choice of either implementing them directly or devising a human-made modified solution. The timetables are free of conflicts between trains, as are their long-term counterparts, but are derived directly from the current state of operation. All subsequent changes of the state of operation lead to an update of the 'on-the-spot' timetable. The running time calculation takes into account the fact that delayed trains can make up some of their lost time by using slack built in the scheduled running time, so that an exact forecast of the actual schedule of the trains will be made. Even conflicts between trains that are bound to develop in the future can be recognised and solved early because the program applies the technique of asynchronous simulation, whereby train paths are not calculated on a strict sequential basis, but in the order given by the train hierarchies. This enables the program to be used for the 'on-the-spot' scheduling of trains in wider areas. Thus the automatic 'on-the-spot' scheduling of trains made possible by the ASDIS program contributes to an improvement of productivity, quality and flexibility in railway operation and supports its rationalisation."],"dc:identifier":["https://publications.rwth-aachen.de/record/58834","https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-120666%22"],"dc:language":["ger"],"dc:publisher":["Publikationsserver der RWTH Aachen University"],"dc:relation":["info:eu-repo/semantics/altIdentifier/urn/urn:nbn:de:hbz:82-opus-5482"],"dc:rights":["info:eu-repo/semantics/openAccess"],"dc:source":["Aachen : Publikationsserver der RWTH Aachen University 175 S. : Ill., graph. Darst. (2003). = Aachen, Techn. 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