EP3793881A1 - Kollisionsvermeidungssystem für ein fahrzeug und verfahren hierzu - Google Patents
Kollisionsvermeidungssystem für ein fahrzeug und verfahren hierzuInfo
- Publication number
- EP3793881A1 EP3793881A1 EP19724098.9A EP19724098A EP3793881A1 EP 3793881 A1 EP3793881 A1 EP 3793881A1 EP 19724098 A EP19724098 A EP 19724098A EP 3793881 A1 EP3793881 A1 EP 3793881A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- collision avoidance
- friction
- avoidance system
- coefficients
- 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
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000011156 evaluation Methods 0.000 claims abstract description 55
- 238000012544 monitoring process Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 12
- 230000000875 corresponding effect Effects 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 230000004297 night vision Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 2
- 238000011157 data evaluation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
- B61L23/04—Control, warning, or like safety means along the route or between vehicles or vehicle trains for monitoring the mechanical state of the route
- B61L23/041—Obstacle detection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
- B61L15/0072—On-board train data handling
-
- 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
- B61L27/20—Trackside control of safe travel of vehicle or vehicle train, e.g. braking curve calculation
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
- G08G1/163—Decentralised systems, e.g. inter-vehicle communication involving continuous checking
Definitions
- the present invention relates to a collision avoidance system for a vehicle, in particular a rail vehicle. Furthermore, the present invention relates to a method for operating such a collision avoidance system.
- DE 10 2014 220 778 A1 and DE 10 2015 214 425 A1 are concerned with the monitoring of track sections for
- Vehicle control and at least one connected to the vehicle control detection device wherein the vehicle control is adapted to influence at least one state parameter of the vehicle, the at least one detection means is adapted to detect a current state parameter of the vehicle and / or the environment of the vehicle
- WO 2016/042352 A1 shows a safety system for avoiding a collision of a vehicle, having a calculation unit that is suitable for calculating a plurality of regions of zones, with one or more
- Radar sensors used to detect a relative position of an object to the
- Vehicle are set up and with a determination unit that is adapted to determine a zone in which the object is positioned, based on the relative position, which is detected by the one or more radar sensors, and measures with a security unit that is suitable to avoid collision between the vehicle and the object ..
- WO 2017/042044 A1 shows methods for warning
- WO 97/31810 A1 shows a system for warning a driver of a vehicle of the presence of a flaw in a lane of the vehicle.
- WO 2015/150340 A1 discloses a method for automatic
- EP 2 808 224 A1 shows a system for monitoring the danger zone of a railway machine with a detection device for detecting objects located in a monitoring area.
- US 9,321,470 B1 discloses a system and method for realizing advanced object collision avoidance for (rail) vehicles as a track break detection system.
- Collision avoidance system for a vehicle in particular a rail vehicle, is provided with at least one interface element for connection to a subsystem, in particular a brake control system, a traction control system, a power supply system or level lingsystem a rail vehicle, and / or to a data supply system, in particular electrical system and / or bus system , the vehicle for providing a plurality of operating parameters of the vehicle in Collision avoidance system, with at least one sensor device for detecting at least one object outside the vehicle and for generating
- Collision avoidance signal is generated, which at least one
- Collision avoidance device is transmittable, wherein the operating parameters include one or more coefficients of friction between the vehicle and at least one vehicle-supporting roadway.
- the invention is based on the basic concept that the vehicle operating parameters ascertained in a vehicle or transmitted to the vehicle by an external data source, in addition to its actual control and / or regulation, are also input variables for a collision avoidance system of the vehicle
- the knowledge of the friction coefficient is particularly important because it reflects the current change of the road condition most recent and realistic and has a great influence on the braking distance of the vehicle.
- the vehicle is otherwise designed as a rail vehicle.
- the roadway is designed according to a track with at least two rails. Based on the knowledge of the friction coefficient is a possible collision between an object, which participates in the traffic, even more accurate or realistic by the
- Evaluation device by means of adjustment of the operating parameters, in particular in the form of friction coefficients, and the object data determinable, whereby the
- the object data also includes directional and / or positional data of the object that is moving relative to a current position of the vehicle.
- Such objects may, for example, only temporarily traffic-participating objects such as others Vehicles or pedestrians, traffic signs (eg warning signs) and / or traffic facilities (such as traffic lights).
- the sensor device for detecting at least one object outside the vehicle is eg as
- Radar device LIDAR device
- camera device infrared camera device
- night vision camera device night vision camera device
- stereo camera device stereo camera device
- ultrasonic distance sensor or as any combination of these sensor devices formed.
- the collision avoidance system can be connected to the interface element either to a subsystem of a vehicle, in particular rail vehicle. It is also conceivable that the interface element to a
- Data supply system can be connected.
- a subsystem of the vehicle in particular a rail vehicle, it may be the brake control system, the traction control system, the
- the data supply system may be any type of energy supply system or the leveling system of the vehicle, in particular rail vehicle act.
- the data supply system may be
- the collision avoidance system and / or the vehicle has at least one device for continuous or interval-type determination of the friction coefficients. The determination of the
- Coefficient of friction directly inside the vehicle provides the most accurate and shortest time to grasp the coefficient of friction. Because at one
- Collision avoidance system decide fractions of a second about a possible collision, is a particularly fast and reliable deployment or
- the device for determining the coefficients of friction has at least one sensor device.
- the sensor device is designed as a sensor device for detecting at least one rotational speed of at least one wheel of the vehicle. Furthermore, a plurality of sensor devices can each in the area a vehicle wheel be arranged to detect its speed. By means of the rotational speed of the respective vehicle wheels, the device for determining the
- Friction coefficients determine the respective wheel slip.
- the wheel slip can be determined in particular during acceleration or deceleration phases of the vehicle. This is achieved by balancing the tangential velocity of the vehicle wheel at the point of contact with the rail and the actual vehicle speed.
- the actual vehicle speed is e.g. determined by a GPS device and / or a Flodometer of the vehicle.
- the sensor device has at least one sensor element for detecting at least one control current of at least one magnetic rail brake and at least one
- Magnetic rail brake acting tensile force (depending on the control current) and the force acting in the suspension force determine the corresponding coefficient of friction. Furthermore, a plurality of such sensor devices can also be arranged in each case in the region of a magnetic rail brake in order to detect the correspondingly acting forces. In addition, it is conceivable that the device for determining the
- Friction coefficient at least one sensor device for detecting at least one property of the road, in particular at least one rail has.
- characteristics of the roadway or a rail may e.g. Brightness, roughness, conductivity, hue, etc.
- the detection of the property of the roadway can be done either contactless or by contact of the sensor device with the rail.
- a plurality of such sensor devices can each in
- the device for determining the coefficients of friction with the interface element is in data connection and by means of which the
- the interface element is also in data communication with the evaluation device, thus the
- the device for determining the coefficients of friction is in data connection with at least one location information acquisition device, in particular a GPS device, of the vehicle, so that the determined
- Friction coefficients with location information are linked.
- location information is also simply called “GPS coordinates”.
- GPS coordinates are also simply called “GPS coordinates”.
- LBS location-based services
- Evaluation device have a comparison device which compares the currently provided friction coefficients with those at the same point previously recorded friction coefficient and overwrites at a determinable deviation.
- the GPS device it is conceivable that is the GPS device with the
- Interface element is in data connection, so that the evaluation device with respect to the evaluation of the object data can also include the current vehicle position in the form of GPS coordinates.
- the evaluation device can further comprising an artificial intelligence device and / or a neural network.
- the evaluation device can be designed as a self-learning evaluation device. Furthermore, it is conceivable that the evaluation device a
- the location information may
- the defined and / or known points may in particular be a rail vehicle device such as a beacon, a transition, an intersection, a stop, a signal, a traffic light or the like.
- Positioning systems such as Galileo or mobile network (for example, determination of the surrounding mobile cells and then localization via triangulation in known mobile masts) to use.
- the collision avoidance system and / or the vehicle prefferably have at least one data transmission interface connected to the
- Interface element is in data connection.
- the data transmission interface particularly advantageously allows the exchange of information with respect to the vehicle external devices such as other vehicles and central
- the data transfer interface is
- the wireless communication interface may be, for example, Wi-Fi or radio wave based (or similar) data communication interface.
- the interface element is designed as a wireless or wired interface element.
- the wireless interface element can
- Interface element may be formed. It is also conceivable that the
- wired interface element is designed in particular as a field bus system. Furthermore, it can be provided that the determined friction coefficients can be transmitted to one or more vehicles, in particular rail vehicles, by means of the data transmission interface. This type of data transmission is particularly advantageous because no longer every single rail vehicle with an expensive and expensive device for detecting or determining the
- Friction coefficient must be equipped.
- much more up-to-date data can be made available to the respective vehicles on road sections that are traveled over frequently than if each vehicle merely generates its own data relating to the respective friction coefficient.
- another possibility can be created to continue to increase the respective vehicle safety and related traffic safety.
- the determined friction coefficients can be transmitted to at least one central vehicle monitoring server by means of the data transmission interface and can be retransmitted from this to one or more vehicles.
- the designed as a central data processing device can be transmitted to at least one central vehicle monitoring server by means of the data transmission interface and can be retransmitted from this to one or more vehicles.
- Vehicle monitoring server offers on the one hand the possibility of a much larger compared to a pure vehicle-to-vehicle communication
- Friction coefficient with additional data which are not detectable by individual vehicles, linked and processed.
- the vehicle monitoring server has a weather data evaluation device which combines current weather data with the friction coefficients and which have a decisive influence on the actual value of the friction coefficient.
- Vehicle monitoring server are receivable and can be transferred to the interface element.
- the transmission to the interface element is therefore particularly important and advantageous, because thereby the evaluation device continuously
- Friction coefficients can be provided in real time. In addition can be omitted in the rail vehicle on an installation of a device for determining the coefficients of friction, whereby the operating and
- Friction coefficient is created and can be transferred to one or more vehicles.
- the vehicle operation can be further optimized or made safer, because very precise information regarding the friction value and an associated route section of the evaluation device can be provided.
- Outline map of the coefficients of friction a driver at least partially and very clearly displayed. Additionally or alternatively, this can be warned of a future section of the route, in which a critical
- the overview map of the friction coefficients can be continuously updated by means of the vehicle monitoring server.
- the update can be made, for example, for a certain position or a certain distance section on the condition that the one already assigned
- Friction coefficient of the currently determined coefficient of friction by a determinable value distinguished. Furthermore, the update for a certain position or a certain stretch of road can be made under the condition that there is no associated friction coefficient there. Is a coefficient of friction of a certain position or a certain distance longer than a period to be determined (eg several hours or days etc.) assigned, this can also be automatically deleted by the vehicle monitoring server after the expiration of the period.
- the collision avoidance system at least one
- Computing device for calculating at least one vehicle braking path and for generating correspondingieremsweg poems has, with the
- Interface element is in data connection and wherein the calculation of the
- Friction coefficient is feasible.
- the calculation of the vehicle braking distance takes place during the ferrying operation of the vehicle at determinable intervals or continuously. This calculation contributes significantly to the increase in
- the calculation of the braking distance can be updated, for example, if the computing device has an updated
- Friction coefficient is provided by means of the interface element.
- the calculation of the braking distance can be performed even at regular intervals regardless of a condition of a current friction coefficient.
- Further operating parameters which can be provided to the computing device via the interface element and by means of which the computing device calculates the vehicle braking distance are the current vehicle speed, vehicle acceleration, vehicle weight, vehicle load, direction of travel, etc. The recalculation of the braking distance can be updated, for example, if the
- At least one updated, additional operating parameters by means of the interface element is provided.
- the Fahrbremsweg can be updated continuously. This can be done on the
- the computing device can be integrated into the evaluation device. It is also conceivable that the computing device is in data communication with the evaluation device, so that by means of the evaluation device
- the object data can be adjusted and / or evaluated.
- the continuous evaluation of the vehicle braking distance data and the object data is a central component of the collision avoidance system and thus particularly advantageous for improving the system accuracy and system speed.
- the dynamic behavior of at least one object compared to the current GPS vehicle position can also be determined on the basis of the object data (in the form of direction and / or position data).
- the dynamic behavior of the object includes e.g. whose trajectory,
- Computing device is part of the evaluation device.
- the collision avoidance system may further comprise a collision avoidance device which is in data communication with the evaluation device.
- the collision avoidance device may further include a plurality of output devices for outputting the collision avoidance signal to the driver.
- the output devices can be designed as optical output devices and / or acoustic output devices.
- a haptic output device may be provided. This can be realized for example via a vibrating driver's seat or a vibrating driver's brake lever.
- the optical output device can be designed, for example, in each case as a luminous element or in the form of a plurality of luminous elements (for example light-emitting diodes).
- this can also be designed as an electrical display, in which the individual optical output devices in the form of the lighting elements can be displayed.
- the acoustic output device may be formed, for example, as an electrical speaker.
- the present invention relates to a method for operating at least one collision avoidance system which is installed in at least one vehicle, in particular a rail vehicle, the method comprising the following steps:
- Collision avoidance system wherein the operating parameters include one or more coefficients of friction between the vehicle and at least one roadway carrying the vehicle.
- the friction coefficients are determined continuously or at intervals.
- the determined friction coefficients are linked with GPS coordinates (or other location information). It can further be provided that the determined friction coefficients are transmitted to one or more vehicles, in particular rail vehicles.
- the determined coefficients of friction are transmitted to at least one central vehicle monitoring server and are re-transmitted from this to one or more vehicles.
- Friction coefficient is created and transmitted to one or more vehicles.
- At least one vehicle braking distance is calculated and corresponding vehicle braking distance data are generated, wherein the calculation of the vehicle braking distance is carried out at least partially on the basis of the friction coefficients.
- the present invention relates to a vehicle, in particular
- Show it: 1 is a schematic representation of a first embodiment of a collision avoidance system according to the invention for a
- Fig. 2 is a schematic representation of a second embodiment of the
- Fig. 3 is a flowchart of an embodiment of an inventive
- Fig. 1 shows a schematic representation of a first embodiment of a collision avoidance system 10 according to the invention, by means of which a
- a collision avoidance system 10 which is installed in an exemplary embodiment of a rail vehicle 12 according to the invention.
- the collision avoidance system 10 includes an interface element 14
- the interface element 14 is provided or designed for connection to a data supply system, here to the electrical system or to the fieldbus system, which is also part of the rail vehicle 12.
- the collision avoidance system includes a sensor device 16
- the sensor device 16 for detecting one or more objects O outside the vehicle 12 has a far-range radar device, short-range radar device, LIDAR device and a camera device or stereo camera device.
- the sensor device 16 may comprise an infrared camera device or infrared stereo camera device, night vision camera device or night vision stereo camera device or an ultrasonic distance sensor.
- the sensor device 16 can also be designed in the form of all combinations of these sensor devices 16.
- the sensor device 16 is shown in FIG. 1 in a front region of the
- Rail vehicle 12 arranged relative to the direction of travel.
- the sensor device is arranged in a right or left side region of the rail vehicle 12 with respect to the direction of travel.
- the sensor device is arranged in an end or spot area of the rail vehicle 12 with respect to the direction of travel.
- the sensor device 16 can also be arranged at the aforementioned positions in a roof region of the rail vehicle.
- the object to be detected may be a temporary traffic-participating object such as other vehicles, people, animals or plants.
- the object as a traffic sign, road sign or as
- the collision avoidance system 10 comprises an evaluation device 18 which is in data connection with the interface element 14 and the sensor device 16.
- the evaluation device 18 is used as a data processing device for the
- the evaluation device 18 may further comprise an image processing or
- the evaluation device 18 has an artificial intelligence device and / or a neural network.
- the evaluation device 18 may be designed as a self-learning evaluation device 18.
- the collision avoidance system 10 further includes a
- the collision avoidance device 20 has a plurality of output devices 36 for outputting the collision avoidance signal to the vehicle driver.
- the output devices 36 are designed as optical output devices 36a and / or acoustic output devices 36b. Alternatively or additionally, a haptic output device may be provided. This can be realized for example via a vibrating driver's seat or a vibrating driver's brake lever.
- the optical output device 36a is in each case configured as a luminous element or in the form of a plurality of luminous elements (for example light-emitting diodes).
- this can also be designed as an electrical display, in which the individual optical output devices in the form of the lighting elements can be displayed.
- the acoustic output device 36b is in each case designed as an electrical loudspeaker. Furthermore, the collision avoidance device 20 is provided with a control and
- Control device 34 of the vehicle in data connection.
- Control device 34 of the rail vehicle 12 in data connection.
- the operating parameters further include a plurality of friction coefficients between the vehicle 12 and a roadway 22 supporting the vehicle 12.
- the roadway is shown in FIG. 1 as a track with two mutually parallel rails on which the rail vehicle 12 is arranged in the ready state.
- the collision avoidance system 10 or the vehicle 12 further comprise means 24 for continuously or intermittently determining the collision avoidance system 10 or the vehicle 12 .
- the means 24 for determining the coefficients of friction comprises a
- Vehicle wheels of the rail vehicle 12 in a contact point to the rail are Vehicle wheels of the rail vehicle 12 in a contact point to the rail.
- the device 24 for determining the coefficients of friction is also in data communication with the interface element 14.
- the friction coefficient determining means 24 is further in data communication with a GPS device 26 of the vehicle 12.
- GPS device 26 instead of a GPS device 26 also any other GPS device 26 .
- Location information detection device can be used.
- the collision avoidance system 10 or the vehicle 12 also has a data transmission interface 28 which is in data communication with the interface element 14.
- the data transmission interface 28 is designed as a wireless data transmission interface.
- the wireless communication interface 28 may be, for example, Wi-Fi or radio wave based (or similar) data communication interface 28.
- the data transmission interface 28 is further provided with a central
- Vehicle monitoring server 30 in data connection.
- the vehicle monitoring server 30 may further include a weather data evaluation device (not shown in FIG. 1) for linking actual weather data with the GPS data of the friction coefficients.
- the collision avoidance system 10 further includes a computing device 32 for calculating a vehicle braking path.
- the computing device 32 is still connected to the interface element 14 in FIG.
- the computing device 32 is connected to the evaluation device 18
- the collision avoidance system 10 has the sensor device 16, which is set up in particular to detect the surroundings of the rail vehicle 12.
- the sensor device 16 also serves to generate corresponding object data with respect to the detected object O.
- the object data also include position and direction data of one or more detected objects O relative to a current position of the rail vehicle 12.
- the detected object data can then be sent from the sensor device 16 to the
- Evaluation device 18 are transmitted.
- the currently detected position of the rail vehicle 12 may be the
- Evaluation device 18 for evaluating the object data moreover, be provided by the GPS device 26 by means of the interface element 14, since the GPS device 26 is also in data communication with the interface element 14.
- Interface element 14 transferable.
- the determined coefficients of friction with the GPS device 26 of the vehicle 12 Since the device 24 for determining the coefficients of friction with the GPS device 26 of the vehicle 12 is in data communication, the determined
- the operating parameters provided by the interface element 14 can then be evaluated in addition to the object data.
- the operating parameters include in particular the friction coefficients determined continuously or at intervals.
- the evaluation device 18 In the event of an imminent collision between the object O and the rail vehicle 12, the evaluation device 18 then generates a collision avoidance signal which can be transmitted to the collision avoidance device 20.
- the collision avoidance signal also contains information on the collision probability of the imminent collision between rail vehicle 12 and object O.
- the collision probability can also be determined by the evaluation device 18.
- both the optical and the acoustic output devices 36a, 36b issue a warning signal to the vehicle driver.
- the warning signal to the driver can also be output purely text-based. It is conceivable that the dynamic behavior of the vehicle is also directly influenced. This is the case, for example, if that
- BCU brake control unit
- Collision avoidance device 20 the collision avoidance signal in addition to the control and regulation device 34 of the rail vehicle.
- the evaluation device 18 transmits the collision avoidance signal generated by it directly to the control and regulation device 34.
- the determined coefficients of friction are also using the
- the central vehicle monitoring server 30 then processes the transmitted friction coefficients and then transmits them back to one or more rail vehicles 12.
- friction coefficients of a plurality of vehicles 12 or the vehicle monitoring server 30 can be received and transmitted to the interface element 14, where they can be provided to the evaluation device 18.
- Vehicle monitoring server 30 are receivable and can be transferred to the interface element 14.
- an overview map of the friction coefficients can be generated by means of the vehicle monitoring server 30 on the basis of the determined friction coefficients and the associated GPS coordinates (or other location information).
- Vehicle monitoring server 30 to one or more vehicles 12 transferable. Furthermore, the overview map of the friction coefficient by means of
- Vehicle monitoring server 30 continuously updatable.
- the collision avoidance system 10 includes a computing device 32 for calculating a vehicle braking path and generating corresponding ones
- the computing device 32 also performs the calculation of the vehicle braking path on the basis of further operating parameters, which are provided to it by means of the interface element 14.
- Fig. 2 shows a schematic representation of a second embodiment of a collision avoidance system 10 'according to the invention, by means of which a
- Collision avoidance system 10 has substantially the same structural and functional features as the first embodiment of collision avoidance system 10 of the present invention shown in FIG.
- Collision avoidance system 10 ' the means for determining 24 of
- Friction coefficient and the corresponding sensor device 24a (as shown in FIG. 1) for detecting the rotational speed of multiple vehicle wheels omitted.
- friction coefficients of a plurality of vehicles 12' or the vehicle monitoring server 30 ' can be received and transmitted to the interface element 14', by means of which they
- Vehicle monitoring server 30 are receivable and can be transferred to the interface element 14.
- FIG. 3 further shows a flowchart of an embodiment of a
- an object O, O 'outside the vehicle 12, 12' is detected by means of the sensor device 16, 16 'and corresponding object data are generated.
- a plurality of operating parameters of the vehicle 12, 12 ' are provided by means of the interface element 14, 14' of the evaluation device 18, 18 '.
- the operating parameters include one or more coefficients of friction between the vehicle 12, 12 'and a track carrying the rail vehicle in the form of a track 22, 22'.
- the coefficients of friction are determined by means of the friction coefficient determination device 24 or provided to the interface element 14 in a continuous manner by means of the data transmission interface 28.
- the friction coefficients are linked to GPS coordinates by means of the GPS device.
- the coefficients of friction thus determined and linked are transmitted to one or more rail vehicles 12, 12 'and to a central vehicle monitoring server 30, 30' according to a fourth step S4.
- a fifth step S5 is by means of the vehicle monitoring server 30, 30 'based on the determined friction coefficients and the associated GPS coordinates (or other location information) an overview map of
- the coefficients of friction prepared on the basis of this overview map are continuously updated by the vehicle monitoring server 30, 30 'as soon as a current friction coefficient with the same or similar GPS coordinates (or other location information) is transmitted to the vehicle monitoring server 30, 30'.
- a vehicle braking distance is then calculated continuously or at intervals by means of the computing device 30, 30 'and corresponding vehicle brake travel data is generated.
- the calculation of the vehicle braking distance is carried out at least partially on the basis of the friction coefficients. Then, by means of a seventh step S7 by means of the evaluation device 18, 18 'provided by means of the interface element 14, 14'
- Friction coefficients the Anlagenbremsweg Scheme and the object data are compared and evaluated.
- a collision avoidance signal is generated in the event of an imminent collision between object O, O 'and vehicle 12, 12' by means of evaluation device 18, 18 '.
- the collision avoidance signal is then transmitted to a collision avoidance device 20, 20 'of the vehicle 12, 12' or of the collision avoidance system 10, 10 '.
- optical and acoustic output devices 36a, 36b is the optical and acoustic output devices 36a, 36b.
- Collision avoidance signal then acoustically and visually output to a driver.
- the collision avoidance signal is transmitted to the control device 34 of the rail vehicle, which can initiate service braking or emergency braking in response to this signal, depending on the value of the collision probability.
- Collision avoidance system 10, 10 automatically feasible.
- the collision avoidance system automatically returns to step 1 after performing the ninth step S9. Further, it is conceivable that the collision avoidance system 10 performs a plurality of steps S1 to S9 in parallel with each other.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018111984.4A DE102018111984A1 (de) | 2018-05-18 | 2018-05-18 | Kollisionsvermeidung für ein Fahrzeug und Verfahren hierzu |
PCT/EP2019/061042 WO2019219373A1 (de) | 2018-05-18 | 2019-04-30 | Kollisionsvermeidungssystem für ein fahrzeug und verfahren hierzu |
Publications (1)
Publication Number | Publication Date |
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EP3793881A1 true EP3793881A1 (de) | 2021-03-24 |
Family
ID=66542197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19724098.9A Pending EP3793881A1 (de) | 2018-05-18 | 2019-04-30 | Kollisionsvermeidungssystem für ein fahrzeug und verfahren hierzu |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3793881A1 (de) |
DE (1) | DE102018111984A1 (de) |
WO (1) | WO2019219373A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102019204371A1 (de) * | 2019-03-28 | 2020-10-01 | Siemens Mobility GmbH | Verfahren zur automatischen Zugkontrolle mit Schlupferfassung |
DE102022203117A1 (de) | 2022-03-30 | 2023-10-05 | Siemens Mobility GmbH | Eisenbahngleisanlage und Verfahren zu deren Betrieb |
EP4335721A1 (de) * | 2022-09-08 | 2024-03-13 | Dellner Bubenzer AB | Datenkommunikationssystem, computerimplementiertes verfahren zur datenkommunikation in einem eisenbahnnetz, computerprogramm und nichtflüchtiger datenträger |
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IL117279A (en) * | 1996-02-27 | 2000-01-31 | Israel Aircraft Ind Ltd | System for detecting obstacles on a railway track |
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DE102007016711A1 (de) * | 2007-04-04 | 2008-10-09 | Bombardier Transportation Gmbh | Erkennung von die Sicherheit der Passagiere beeinträchtigenden Zuständen bei einem Schienenfahrzeug |
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2018
- 2018-05-18 DE DE102018111984.4A patent/DE102018111984A1/de active Pending
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2019
- 2019-04-30 EP EP19724098.9A patent/EP3793881A1/de active Pending
- 2019-04-30 WO PCT/EP2019/061042 patent/WO2019219373A1/de active Application Filing
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DE102018111984A1 (de) | 2019-11-21 |
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