EP4472877A1 - Verfahren und system zur ankunftszeitermittlung - Google Patents
Verfahren und system zur ankunftszeitermittlungInfo
- Publication number
- EP4472877A1 EP4472877A1 EP23713309.5A EP23713309A EP4472877A1 EP 4472877 A1 EP4472877 A1 EP 4472877A1 EP 23713309 A EP23713309 A EP 23713309A EP 4472877 A1 EP4472877 A1 EP 4472877A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- journey
- arrival time
- predetermined stop
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/40—Business processes related to the transportation industry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/10—Operations, e.g. scheduling or time tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/10—Operations, e.g. scheduling or time tables
- B61L27/14—Following schedules
Definitions
- the present invention relates to a method and a system for determining arrival times of a vehicle, in particular a rail vehicle.
- passenger information systems For information about (estimated) arrival times or Changes to scheduled arrival times are known from so-called passenger information systems.
- passenger information systems typically include displays and/or loudspeakers in a train and/or on a platform through which the information is issued to passengers. This information is now often made available on passengers' devices.
- the arrival time can be estimated using a heuristic.
- a heuristic usually takes into account the typical average speed of the vehicle on sections of the route up to the intended stop of the vehicle.
- the average speed can, for example, be stored in a look-up table. This means that the prediction is essentially static.
- a first aspect of the invention relates to a method, in particular a computer-implemented one, for determining arrival times of a vehicle, in particular a rail vehicle.
- the method comprises: (i) predicting a journey time of a vehicle to a predetermined stop based on a simulation of the vehicle travel to the predetermined stop; (ii) causing the vehicle to operate essentially in accordance with the simulated vehicle journey; (iii) determining an arrival time based on the predicted journey duration and further operating data, which contain at least one disposition information relating to the vehicle; and (iv) providing the determined arrival time for output to users.
- Initiating operation of a vehicle in the sense of the invention can in particular be the implementation of a simulated vehicle journey. Alternatively or additionally, operation of a vehicle can also be initiated by outputting a simulated vehicle journey or at least information relating to this simulation.
- a driver assistance system can initiate an, in particular direct or at least extensive, implementation of the simulated vehicle journey, for example by appropriately controlling a vehicle control system.
- the vehicle controller can then operate the vehicle based on the simulated vehicle travel.
- a driving style of the vehicle determined as part of the simulation could be output to a vehicle driver.
- the vehicle driver can then operate the vehicle on the basis of the simulated vehicle journey, in particular on the basis of the determined driving style. It is conceivable, for example, that the vehicle driver is given information about the determined (optimal) driving style, which he can then follow.
- Disposition information in the sense of the invention can in particular be information about the planned journey of the vehicle. In this respect, scheduling information can also be referred to as planning information.
- Disposition information can, for example, contain information about when the vehicle should stop at which locations and at what time and/or for what length of time on a planned route. In the event of an operational disruption, for example, an expected arrival time may differ from an originally planned arrival time.
- the scheduling information can contain replacement timetable information, i.e. H .
- H replacement timetable information
- the disposition information contains recommendations on driving behavior, i.e. H . For example, information about route and speed corridors within the limits of which the vehicle can travel particularly smoothly and/or efficiently.
- a user in the sense of the invention can in particular be a current and/or future passenger of the vehicle, also referred to as a passenger.
- a user can also generally be a person who has an interest in knowing the determined arrival time, for example a user of an electronic timetable, i.e. H .
- timetable software on your device.
- a user can be a provider of an electronic timetable.
- One aspect of the invention is based on the approach of taking into account a simulation of the vehicle's journey up to this stop both when determining an arrival time of a vehicle at a given stop, for example the next train station, and when operating the vehicle. With the help of the simulation, the duration of the vehicle's journey to the specified stop can be predicted particularly precisely and reliably and at the same time the vehicle can be operated. In particular, the simulation can take dynamic influences on the journey time - and thus on the arrival time - into account.
- the determination of the arrival time according to the invention therefore goes well beyond conventional methods that are based on static heuristics and thus provide the same forecasts even under different (driving) conditions.
- the simulation can be based on current route data, which characterize the route section up to the specified stop and/or contain timetable information. If the driving conditions change on this section of the route, this is expediently reflected in the route data. For example, if there are speed limits due to construction work or a dangerous situation, or if the weather conditions or the timetable change, this can also be incorporated into the simulation at short notice.
- the simulation is based on current vehicle data that characterizes the vehicle. If the characteristics of the vehicle change, for example due to a change in the payload or a defect, this can also be incorporated into the simulation at short notice.
- the simulation of the vehicle journey in particular on the basis of route data and vehicle data, from which at least a corresponding driving dynamics of the vehicle - and thus at least a corresponding journey time to the specified stop - results in the context of the simulation, therefore allows a much more precise prediction of an arrival time than Conventional methods that usually only take into account general (static) specifications for the vehicle or route.
- the determination of the arrival time is also expediently based on other operating data.
- Such operating data preferably contains at least one disposition information relating to the vehicle, such as information about the timetable and / or - if the same is impaired - about changes to the timetable, in particular changes to the route, which are caused, for example, by other vehicles.
- the other operating data can also contain information about the current position of the vehicle and the current time.
- the arrival time determined in this way is expediently made available for distribution to current and/or future passengers of the vehicle or other users.
- an interface can be provided via which the determined arrival time is read out or can be read out.
- the arrival time can then be output or can be output to a passenger, for example, or to a user using appropriate software on a terminal device.
- a driving style of the vehicle is determined using the simulation of the vehicle journey.
- the driving style determined is expediently used as the basis for predicting the duration of the journey. For example, to predict the journey duration, it can be assumed that the vehicle is guided according to the determined driving style until the predetermined stop is reached. In this respect, determining the driving style allows a particularly precise and reliable determination of the arrival time at the specified stop.
- the determined driving style is preferably at least partially implemented or output directly to cause the operation of the vehicle corresponding to the simulated vehicle journey.
- the driving style determined can, for example, be issued as a recommendation to a vehicle driver, for example by displaying it on a display.
- the driving style determined can at least partially be used as the basis for the operation of the vehicle.
- a vehicle control system of the vehicle can be caused to automatically implement the determined driving style.
- the journey time to the specified stop is predicted by the vehicle. This not only simplifies the output or at least partially automated implementation of the determined driving style and makes it less prone to errors, but it can also make it easier to take vehicle data into account when simulating the vehicle journey.
- a driver assistance system in the vehicle.
- a driver assistance system can, for example, by solving a differential equation system, possibly with boundary conditions given by the route data and/or the vehicle data, determine a possible, in particular an optimal, driving style and the corresponding travel time to the predetermined stop.
- the use of a driver assistance system to predict the journey duration is particularly preferred, since this can, if necessary, directly implement a corresponding driving style.
- the arrival time of the vehicle at the specified stop is determined on the land side.
- the further operating data which preferably not (only) concerns the vehicle, but primarily also other vehicles.
- a vehicle fleet can be coordinated on land and the planning information resulting from this coordination can be incorporated into the determination of the arrival time at least as part of the further operating data.
- the arrival time is determined by a central vehicle control center.
- a vehicle control center in which data on the operation of the vehicle and/or other vehicles, possibly also on the same route, preferably converge, data fusion to determine the arrival time can be carried out effectively.
- the predicted journey time is provided by the vehicle via an air interface to determine the arrival time, in particular transmitted to the central vehicle control center.
- the simulation of the vehicle journey to predict the journey duration is carried out on the basis of a vehicle model of the vehicle and/or a route model of the route up to the predetermined stop.
- the vehicle model and/or the route model corresponds to a differential equation system. This can make it easier to take changes in driving conditions into account when predicting trip duration.
- the vehicle model and/or the route model can be used in the event of impairments to the vehicle, for example due to a defect, or the route, for example due to construction work. or by changing the timetable, can be adjusted accordingly with little effort.
- a dynamic adaptation is to be understood in particular as a short-term, preferably immediate, change in the models based on changed driving conditions.
- the journey time to the predetermined stop is predicted based on vehicle data that characterize the vehicle.
- the driving time can be predicted based on at least one vehicle parameter that characterizes the condition of the vehicle. It is preferred that the vehicle data contains the at least one vehicle parameter. If the vehicle condition changes, the forecast for the journey duration - and thus also the arrival time - and the driving style recommended or used as a basis can be dynamically adjusted.
- the vehicle data in particular the at least one vehicle parameter
- a vehicle controller This allows changes in driving conditions, in particular the vehicle condition, to be taken into account immediately and with particularly little effort.
- changing vehicle characteristics can be incorporated into the prediction of the journey duration by taking into account correspondingly changing vehicle parameters such as payload or currently available vehicle power. For example, impairments to the vehicle such as the immediate failure of an engine or an increase in vehicle mass due to passengers boarding can be taken into account when predicting the journey duration.
- At least one of the following vehicle parameters can be particularly meaningful with regard to the condition of the vehicle: a vehicle position, a vehicle speed, a vehicle mass, a resistance factor and/or an engine characteristic curve.
- the vehicle mass can represent a payload of the vehicle
- the resistance factor can represent a conductivity value, also known as a resistance coefficient
- the engine characteristic curve can represent available vehicle power. If necessary, it is also conceivable to take into account additional or alternative vehicle parameters, for example vehicle length, vehicle width, energy consumption and/or the like.
- the further operating data contains dynamic fleet data which characterizes the journeys of other vehicles.
- the dynamic fleet data can contain information about at what point in time other vehicles are in which position at least on sections of a route of the vehicle.
- the dynamic fleet data expediently relates in particular to other vehicles whose journey is linked to the journey of the vehicle or the journey of the vehicle must be adapted to the journey, for example because otherwise there would be a risk of collision or specified safety regulations would not be adhered to.
- the utilization of a route network, in particular a rail network, by a vehicle fleet can be taken into account when determining the arrival time.
- the determined arrival time at the predetermined stop is output to users, for example to current and/or future passengers of the vehicle.
- the determined and provided arrival time can be issued to passengers in the vehicle using a passenger information system.
- the determined and provided arrival time can be output to users of, for example, timetable software using a terminal device.
- a second aspect of the invention relates to a system for determining arrival times of a vehicle, in particular rail vehicle.
- the system is expediently set up to carry out the method according to the first aspect of the invention.
- the system has: (i) a driver assistance system which is set up to predict a journey time of a vehicle up to a predetermined stop based on a simulation of the vehicle journey to the predetermined stop and to initiate an operation of the vehicle that at least essentially corresponds to the simulated vehicle journey vehicle; (ii) a central vehicle control center, which is set up to determine an arrival time of the vehicle at the predetermined stop based on the predicted journey duration and further operating data, which contain at least one disposition information relating to the vehicle; and (iii) an interface for providing the determined arrival time such that the determined arrival time can be output to users.
- arrival times can be determined particularly precisely and reliably. In particular, it is no longer necessary to rely on static heuristics, but rather changes in driving conditions are simulated and thus taken into account immediately.
- An arrival time determined using the system offers real added value, for example for passengers of the vehicle or for a provider of a passenger information system or timetable software.
- FIG. 1 shows an example of a system for determining arrival times of a vehicle
- FIG. 2 shows an example of a method for determining arrival times of a vehicle.
- the vehicle 1 shows an example of a system 10 for determining arrival times of a vehicle 1.
- the vehicle 1 is a rail vehicle, in particular a train, and the arrival time relates to reaching a predetermined stop 2, in particular the next train station, on a route 70 of the vehicle 1.
- the system 10 has a driver assistance system 20, a central vehicle control center 30 and an interface 40a, 40b for providing the determined arrival time.
- the driver assistance system 20 is provided on the vehicle side, i.e. H . for example part of the vehicle 1.
- the central vehicle control center 30, on the other hand, is provided on the land side, i.e. H . for example, fixed in place.
- the driver assistance system 20 is expediently set up to predict a journey time of the vehicle 1 to the predetermined stop 2 based on a simulation of the vehicle journey to the predetermined stop 2. For this purpose, the driver assistance system 20 can determine a driving style of the vehicle 1 and use it as a basis for predicting the duration of the journey.
- the driver assistance system 20 is expediently also set up to at least partially operate the vehicle 1 based on the simulated vehicle journey to cause such operation.
- the driver assistance system 20 can be set up to initiate operation of the vehicle 1 based on the simulated vehicle journey by outputting information relating to the simulated vehicle journey.
- Such an output can, for example, be a driving advice or include a driving recommendation and be addressed to a vehicle driver.
- the prediction of the journey duration is preferably based on vehicle data that characterize the vehicle 1.
- vehicle data in particular variable vehicle parameters that influence the performance of the vehicle 1, such as vehicle mass, engine characteristic curve and/or the like, are expediently provided by a vehicle control 50 of the vehicle 1.
- the prediction of the journey duration can be based on route data which characterizes the route 70 or contains information about the timetable of the vehicle 1.
- route data is expediently taken from a continuously updated route database 90.
- a route database 90 can be maintained by a storage means (not shown) of the vehicle 1 and maintained, for example, via an air interface 60. It is particularly conceivable that updated route data or Updates to the route database 90 are transmitted from the central vehicle control center 30 to the vehicle 1 via the air interface 60.
- the central vehicle control center 30 is expediently set up to determine the arrival time of the vehicle 1 at the predetermined stop 2 based on the predicted journey duration and other operating data, which contain at least one disposition information relating to the vehicle 1.
- the vehicle 1 is preferably stationed with the vehicle control center 30 via the air interface 60 in connection.
- the vehicle 1 can, for example, also transmit its current position to the vehicle control center 30.
- the central vehicle control center 30 is expediently also connected to other vehicles (not shown), so that the vehicle control center 30 can coordinate the journey of a large number of vehicles, in particular on the route 70 of the vehicle 1.
- the coordination of the vehicles is preferably also included in the determination of the arrival time of the vehicle 1 at the predetermined stop 2, in particular in the form of dynamic fleet data.
- the system 10 is expediently set up to provide the determined arrival time via the interface 40a, 40b for output to current and/or future passengers of the vehicle 1 or to other users.
- the determined arrival time can be provided to a passenger information system 80a of the vehicle 1 via the interface 40a, in particular in connection with the air interface 60 of the vehicle 1.
- the passenger information system 80a can then output the arrival time to passengers of the vehicle 1.
- the determined arrival time can be provided via the interface 40b to a passenger information system 80b at stops along the route 70, in particular at the predetermined stop 2.
- the passenger information system 80b can output the arrival time to future passengers of the vehicle 1.
- a travel time D of the vehicle 1 up to a predetermined stop is predicted based on a simulation of the vehicle journey up to the predetermined stop.
- a with the simulated Vehicle travel causes at least substantially corresponding operation of the vehicle.
- an arrival time T is determined based on the predicted journey duration D and further operating data B, which contain at least one disposition information I relating to the vehicle 1.
- the determined arrival time T is made available for output to users.
- the journey time D is expediently predicted on the vehicle side, for example by a driver assistance system 20 of the vehicle 1.
- the driver assistance system 20 is preferably set up to simulate the vehicle journey in method step S 1 .
- the arrival time T is expediently determined on land, for example from or in a central vehicle control center 30.
- the vehicle control center 30 can, for example, have a corresponding data processing device 31.
- the prediction of the journey time D is preferably based on vehicle data F and/or route data R and/or position information P and/or disposition information I.
- the vehicle data F is expediently provided by a vehicle controller 50.
- the vehicle data F preferably contains information about vehicle parameters such as vehicle speed, vehicle mass, resistance factor and/or engine characteristic curve.
- the route data R is expediently stored in a route database 90.
- the route data R can also contain timetable information, i.e. H . for example, indications as to which Time the vehicle 1 reaches which section of the route or should leave.
- the position information P is expediently provided by a navigation system 110.
- the navigation system 110 can, for example, have an antenna for receiving position signals emitted by navigation satellites.
- the provision of the position information P by the navigation system 110 is shown separately in FIG. However, the position information P can also be contained in the vehicle data F.
- the disposition information I is expediently provided by the central vehicle control center 30.
- the central vehicle control center 30 can be set up, for example with the help of the data processing device 31, to coordinate the operation of the vehicle 1 and other vehicles.
- the resulting data can be collected in a coordination database 32. If necessary, this data can be processed and - for example as part of the further operating data B and referred to as dynamic fleet data - used as the basis for determining the arrival time T in method step S3.
- the disposition information I contained in this data can be transmitted to the vehicle 1, in particular the driver assistance system 20.
- the scheduling information I expediently corresponds to timetable information in which the trips of the other vehicles are also taken into account.
- the data generated during the coordination of ferry operations and collected in the coordination database 32 can, on the one hand, be based on data provided by the vehicle 1 and the other vehicles. Alternatively or additionally, the data collected in the coordination database 32 can also come from other data sources, for example from installation systems. nen along the route. In FIG. 2, the origin of the data is therefore generally referred to as external data source 120.
- the determined arrival time T provided in method step S4 can be output to passengers, for example, by a passenger information system 80a of the vehicle 1.
- the determined arrival time T can also be sent to users of an electronic timetable, i.e. H . a timetable software.
- the determined arrival time T is expediently transmitted to corresponding terminal devices 80c and output there accordingly.
- the journey time D predicted by the driver assistance system 20 cannot only be provided at the vehicle control center 30. Rather, it is preferred that the predicted trip duration D is also output to a driver of the vehicle 1, for example displayed on a corresponding display 3.
- the driver assistance system 20 expediently determines driving recommendations in addition to the journey time D.
- the driver assistance system 20 can determine at least one driving style in which the predetermined stop is reached in the predicted travel time D.
- These driving recommendations or Driving styles are expediently issued to the vehicle driver in method step S2, for example shown on the display 3. This allows the vehicle driver to operate the vehicle in accordance with the simulated vehicle journey.
- an automatic and direct implementation of these driving recommendations or Driving styles can of course also be initiated - at least partially -, for example by the driver assistance system 20 by appropriately controlling the vehicle control 50.
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- Strategic Management (AREA)
- Economics (AREA)
- General Health & Medical Sciences (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
- Mechanical Engineering (AREA)
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- Tourism & Hospitality (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022202431 | 2022-03-10 | ||
| PCT/EP2023/055779 WO2023170085A1 (de) | 2022-03-10 | 2023-03-07 | Verfahren und system zur ankunftszeitermittlung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4472877A1 true EP4472877A1 (de) | 2024-12-11 |
Family
ID=85772641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23713309.5A Pending EP4472877A1 (de) | 2022-03-10 | 2023-03-07 | Verfahren und system zur ankunftszeitermittlung |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4472877A1 (de) |
| WO (1) | WO2023170085A1 (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009023704A1 (de) * | 2009-06-03 | 2010-10-28 | Voith Patent Gmbh | Verfahren zur Information von Fahrpersonal in einem Schienenfahrzeug |
| CN113184024B (zh) * | 2021-05-21 | 2023-02-24 | 北京全路通信信号研究设计院集团有限公司 | 一种面向有轨电车的到站时间静态预测方法及其系统 |
-
2023
- 2023-03-07 EP EP23713309.5A patent/EP4472877A1/de active Pending
- 2023-03-07 WO PCT/EP2023/055779 patent/WO2023170085A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023170085A1 (de) | 2023-09-14 |
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Owner name: SIEMENS MOBILITY GMBH |