EP3996966A1 - Zugbeeinflussungsverfahren und zugbeeinflussungssystem mit korrektur des im fahrzeug gespeicherten raddurchmesserwertes - Google Patents
Zugbeeinflussungsverfahren und zugbeeinflussungssystem mit korrektur des im fahrzeug gespeicherten raddurchmesserwertesInfo
- Publication number
- EP3996966A1 EP3996966A1 EP20771463.5A EP20771463A EP3996966A1 EP 3996966 A1 EP3996966 A1 EP 3996966A1 EP 20771463 A EP20771463 A EP 20771463A EP 3996966 A1 EP3996966 A1 EP 3996966A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- rail vehicle
- value
- route
- data signal
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/125—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using short-range radio transmission
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/026—Relative localisation, e.g. using odometer
Definitions
- the invention relates to a train control method in which at least one track-side data transmission device, which forms a boundary point for a section of the route, is controlled by a railway signal and in which a radio device assigned to the railway signal, in particular mounted on the railway signal, sends a radio data signal to a signal in the approach area of the railway signal existing rail vehicle sends.
- a well-known generic train control method is from the article "For the first time in German local traffic: A train control system with radio evaluation", SIGNAL + DRAHT (108) 10/2016 and also from the document “Train control system Trainguard Zub 222c", Siemens AG, 2014, order no. : A19100- V100-B930-V2 (in English version: "Trainguard Zub 222c automatic train control system", Siemens AG 2014, Order No .:
- a central variable for the functional reliability of such a train influencing method or such a train influencing system is the reliable localization of the rail vehicle and in particular the reliable determination of a currently covered path and a current speed, which is known as a function of a the current wheel pulse or wheel speed determined by the rail vehicle and takes place as a function of a previously known wheel diameter or wheel circumference value of the rail vehicle.
- a two-channel position pulse generator is used for the safety-related distance and speed measurement in the known train control method or train control system.
- the wheel circumference changes over the service life mainly due to wear and tear, so that information obtained - in particular the determined value for the currently covered distance or the determined value for the current speed - becomes more and more inaccurate when the previously known wheel diameter - or the wheel circumference value used by the rail vehicle is not corrected (readjusted).
- the invention is based on the object of improving the safe function of a train influencing method of the type specified at the beginning with particularly little maintenance effort.
- This object is achieved, based on a train influencing method of the type specified at the beginning, according to the invention in that, depending on a wheel pulse or wheel speed determined when the rail vehicle traverses one route section and depending on a reference value for the length of one route section, a Correction of a previously known wheel diameter or wheel circumference value of the rail vehicle is carried out, the one radio data signal indicating the one reference value or the one radio data signal indicating a correction value, which is used to determine the one reference value for a route target distance .
- the rail vehicle when driving over the one track-side data transmission transmission device receives a data signal from this and receives a further data signal when driving over a further track-side data transmission device, which forms a further boundary point for the one route section.
- the data signal preferably signals that of the two data transmission devices which, as the boundary point, forms a starting point for the one route section, a start time associated with the one route section.
- the data signal signals that of the two data transmission devices which, as the boundary point, forms a destination point for the one route section, an end time associated with the one route section.
- the one radio data signal and / or the data signal which signals the one start time indicates the route target distance or a route target value suitable for determining the one route target distance.
- a measured value for the length of the one route section is determined based on the wheel pulse or wheel speed determined when the rail vehicle traverses one route section and the previously known wheel diameter or wheel circumference value when the one previously known wheel diameter or wheel circumference value is corrected as a function of a deviation of the one measured value from the one reference value.
- the one wheel pulse number based on a number of wheel pulses or wheel axle pulses determined by the rail vehicle in the time interval from the one start point to the one end point or the one wheel rotation number based on a time interval interval from the one start time to the end time determined number of wheel revolutions or wheel axle revolutions is determined.
- a statistical correction of the previously known wheel diameter or wheel circumference value is considered to be particularly advantageous, further deviations being determined for the statistical correction of the known wheel diameter or wheel circumference value when driving over further sections of the route
- the wheel circumference value is carried out as a function of an average value of the deviations.
- the respective reference value for the length of a respective route section is only taken into account when correcting the known wheel diameter or wheel circumference value of the rail vehicle if the respective radio data signal, which corresponds to the respective reference value or the one suitable for forming the respective reference value indicates the respective correction value, additionally indicates suitability information, and this suitability information identifies the respective route section as being suitable for consideration.
- the invention also relates to a train control system in which at least one track-side data transmission device, which forms a boundary point for a route section, is controlled by a railway signal and in which a radio device assigned to the railway signal, in particular mounted on the railway signal, is designed, a radio data signal per se to send the rail vehicle located in the approach area of the railroad signal.
- Such a train control system is also from the above-mentioned article "For the first time in German local traffic: A train control system with radio evaluation", SIGNAL + DRAHT (108) 10/2016 and the aforementioned document "Train control system Trainguard Zub 222c", Siemens AG, 2014, Order no .: A19100-V100-B930-V2 (in English version: “Trainguard Zub 222c automatic train control system", Siemens AG 2014, Order No .: A19100-V100-B930-V2-7600) known.
- the rail vehicle be designed as a function of a wheel pulse or wheel speed determined when the rail vehicle traverses one route section and as a function of one Reference value for the length of one route section to carry out a correction of a previously known wheel diameter or wheel circumference value of the rail vehicle, the one radio data signal specifying the one reference value or the one radio data signal specifying a correction value using this on a route target distance the rail vehicle is suitable for determining the one reference value.
- Figure 1 shows a section of the track system on which a
- Rail vehicle moves, with a train control system according to the invention, with which the method according to the invention can also be carried out, and the
- Figure 2 shows an expanded section of the track system.
- the section of a track system GA shown in FIG. 1 shows a route S for a vehicle F formed by a track and a train control system Z according to the invention. Shown are two track-side data transmission devices 111 and 112 of the train control system Z, which form boundary points of a route section S k of the route S, which therefore limit the route section S k.
- the data transmission device 111 forms a starting point SP k as a boundary point for the one route section S k ⁇
- the data transmission device 111 forms a destination point SP k as a boundary point for the one route section S k ⁇
- the track-side data transmission device 111 is designed as a track coupling coil and is controlled by a railroad signal 110.
- the track-side data transmission device 112 is also designed as a track coupling coil and is controlled by a railway signal 120.
- a radio device 112 associated with the railway signal 110 is mounted on the railway signal 110.
- a radio device 122 assigned to the railway signal 120 is mounted on the railway signal 120.
- the vehicle F is in an approach area of the railroad signal 110.
- the radio device 112 is designed to send a radio data signal F 112 to the rail vehicle F located in the approach area of the railroad signal 110.
- the railway vehicle F is formed in dependence on a when driving of one track section S k by the rail vehicle F determined Radimpuls- or Rohmdre- hung number n k and a function of a reference value RW k for the length of a track portion S k is a correction of a perform previously known wheel diameter or wheel circumference value d of the rail vehicle F.
- the one radio data signal F 112 indicates the one reference value RW k .
- the one radio data signal F 112 specifies a correction value KW k using this a route target distance ZE k the rail vehicle is suitable for determining the one reference value RW k.
- the section of the track system GA shown in FIG. 2 shows further details of the train control system Z according to the invention, so that this is described in detail below with reference to FIG.
- the train control system Z is formed by a track-side equipment 10 and a vehicle-side equipment 20.
- Track-side equipment 10 includes track-side train influencing devices 101-104.
- the track-side train influencing device 101 comprises the railroad signal 110, the data transmission devices 111 controlled by the railroad signals 110 and the radio devices 112 assigned to the railroad signals 110.
- the trackside train influencing device 102 comprises the railway signal 120, the data transmission devices 121 controlled by the railway signals 120 and the radio devices 122 assigned to the railway signals 120.
- the trackside train control device 103 comprises the railway signal 130, the data transmission devices 131 controlled by the railway signals 130 and the radio devices 132 assigned to the railway signals 130.
- the trackside train control device 104 comprises the railway signal 140, which is controlled by the railway signals 130. Data transmission devices 141 controlled by railway signals 140 and the radio devices 142 assigned to railway signals 140.
- a switch box 113, 123, 133 or 143 is mounted on each of the railway signals 110, 120, 130 and 140, in each of which a signal interface module 114, 124, 134 or 144 (also used known as a signal interface module) and a radio module 116, 126, 136 or 146 of a respective radio module 112, 122, 132 or 142 are arranged.
- a respective control line 115, 125, 135 or 145 leads from a respective one of the signal interface modules 114, 124, 134 or 144 to the respective data transmission device 110, 120, 130 or 140.
- a respective radio antenna 117, 127, 137 or 147 of the respective radio module 112, 122, 132 or 142 is mounted outside the respective switch box 113, 123, 133 or 143 on the respective railway signal 110, 120, 130 and 140.
- the vehicle-side equipment 20 includes a vehicle-side train control device 200, a drive system 300 and a braking system 400 of the vehicle F.
- the vehicle-side train influencing device 200 has a vehicle device 210, a vehicle-side data transmission device 211 designed as a vehicle coupling coil, a vehicle-side radio device 212 and a distance pulse generator 218.
- the vehicle-side train influencing device 200 also includes a display and operating device and a data device, neither of which, however, are shown here.
- the vehicle-mounted radio device 212 consists of a radio module 216 and a radio antenna 217.
- the track-side data transmission devices 121 and 131 form boundary points of a further route section S k + 1 and the track-side data transmission devices 131 and 141 form boundary points of a subsequent further route section S k + 2 ⁇
- the track-side data transmission device 111 also forms a boundary point for a route section S k -1 and the track-side data transmission device 141 also forms a boundary point for a route section S k + 3 ⁇
- the data transmission devices 111, 121, 131 form starting points SP k , SP k + 1 , SP k + 2 of the route sections S k , S k + 1 , S k + 2 ⁇ and the data transmission devices 121, 131, 141 form destination points ZP k , ZP k + 1 , ZP k + 2 of the route sections S k , S k + 1 , S k + 2 ⁇
- the train control system Z is thus characterized by multi-section signaling known to the person skilled in the art,
- FIG. 2 shows the rail vehicle F in a first position P t1 at a point in time t1 and beyond - each shown with dashed lines in further positions P t2 to P t7 at later points in time t2 to t7.
- the rail vehicle F is designed to receive a data signal D 111 when it passes over the one track-side data transmission device 111 and to receive a further data signal D 111 when it passes over the further track-side data transmission device 121.
- the transmission takes place inductively and thereby discretely (at specified points along the route).
- the data signal D 111 of the data transmission device 111 which as a boundary point forms the starting point SP k for the one route section S k , signals a start time assigned to the one route section S k - here the time t2.
- the data signal D 112 of the data transmission device 112 which forms the destination point ZP k as the limit point for the one route section S k , signals an end time assigned to the one route section S k - here the time t4.
- At least the data signal D 111 gives a route target value suitable for determining the one route target distance ZE k ZW k an.
- the route target value ZW k is a number of steps whose step size - preferably 5 m or 10 m - is known, so that the route target distance ZE k is formed as the product of the route target value ZW k and the step size.
- the data signal D 111 indicates the route target distance ZE k directly.
- the rail vehicle F is designed based on the k when driving of one track section S determined by the rail vehicle F IMPULSES PER WHEEL n k and the pre-known Rad tellmesser- or Radellewert d a measured value MW k for the length of the k a route section S to determine men.
- the rail vehicle F is also designed to correct the one known wheel diameter or wheel circumference value d as a function of a deviation AW k of the one measured value MW k from the one reference value RW k.
- the k in dependence of a deviation AW corrected Rad penmesser- or Radum- initial value d k which is stored in the vehicle, forming in addition, the prior art Rad malmesser- or Radleton- value d.
- the rail vehicle F is designed to determine a wheel pulse number n k on the basis of a number n1 k of wheel axle pulses of at least one wheel axle A1 of the rail vehicle determined by the rail vehicle F in the time interval from one start time t2 to one end time t4.
- a further number of wheel axle pulses of at least one further wheel axle A2 of the rail vehicle determined in the time interval from one start time t2 to one end time t4 could also be taken into account.
- the one wheel pulse number n k could be determined on the basis of a number of wheel pulses of at least one wheel RI of the rail vehicle determined in the time interval from the one start time t2 to the end time t4.
- a further number of wheel pulses of at least one further wheel R2 of the rail vehicle determined in the time interval from one start time t2 to one end time t4 could also be taken into account.
- the rail vehicle is designed for a statistical correction of the previously known wheel diameter or wheel circumference value d when driving over the further route sections S k + 1 , S k + 2 corresponding to further deviations AB k + 1 , AB k + 2 . correct and correct the previously known wheel diameter or wheel circumference value d as a function of an average value of the deviations AW k , AW k + 1 , AW k + 2 .
- the number of route sections whose deviations are included in the averaging is preferably adjustable.
- AW k + 2 is therefore only exemplary. This is to be understood in such a way that when driving over a respective route section, in addition to its deviation, the deviations from two previously traveled route sections are also included in the averaging.
- the averaging is therefore based on the deviations AW k , AW k + 1 , AW k + 2 ⁇
- the averaging was made using the deviations AW k -1 , AW k , AW k + 1 etc ..
- the rail vehicle F is designed so that the respective reference value RW k , RW k + 1 , RW k + 2 for the length of a respective route section S k , S k + 1 , S k + 2 is only corrected when the previously known value is corrected Wheel diameter or wheel circumference value d of the rail vehicle F must be taken into account when the respective radio data signal F 112 , F 122 , F 132 , which corresponds to the respective reference Limit value RW k, RW k + 1, RW k + 2 and k to form the respective reference value RW, RW k + 1, RW k + 2 suitable respective correction turwert KW k, KW k + 1, SW k + 2 indicates, in addition k a Eignungsin- formation El, El k + 1, k + 2 indicates EI and EI this Eignungsinformati- on k, El k + 1, k + 2 EI the respective distance portion S k, S k + 1,
- the train control system Z according to the invention is thus designed to be suitable for executing the train control method according to the invention, with the train control method according to the invention describing a method by means of which the current wheel diameter d in the train control system Z can be set reliably using the statistical averaging described, and preferably is also made.
- the train control system Z according to the invention offers the operator of the track system GA the advantage that it allows him to have the wheel diameter d automatically readjusted when the route S is operationally traveled.
- This correction (adjustment) of the wheel diameter d which takes place on a statistical basis during operation, provides the greatest possible statistical security if the difference between the respective reference value (i.e. the respective topographical distance) for as many passages as possible between track-side data transmission devices (track coupling coils) between the respective starting point and the respective target point) and the respective measured value (i.e. the respective distance measured on the rail vehicle F) is evaluated and then a slow, conservative adjustment of the wheel diameter d is made in the train safety system from the averaged deviations.
- the respective reference value i.e. the respective topographical distance
- track-side data transmission devices track coupling coils
- the train control system now also uses the data transmission of a radio channel - that is, the data transmission by means of radio waves - in parallel to the data transmission of the data transmission devices 111-114 (inductive data transmission via track coupling coils).
- This data transmission by means of radio waves is used, in particular, in a known manner as a so-called upgrade function. In principle, this is used to inform a rail vehicle of its current signal concept when traveling towards a target signal. This takes place indirectly in that the currently valid telegram from the track coupling coil belonging to the target signal (data transmission device serving as the target point) is transmitted to the rail vehicle F via the radio channel.
- the respective radio device 112, 122 or 132 on the route S it is now possible to also transmit the correction value KW k , KW k + 1 or KW k + 2 for the route target distance with which the vehicle device k from the starting point SP, SP k + 1 and k + 2 k SP pro vided route target distance ZE, ZE k + 1 and k + 2 ZE could correct the wah ren value as a basis for comparison.
- the respective suitability information El k , El k + 1 or EI k + 2 is stored here, which indicates whether the section lying before the target signal should be included in the static wheel diameter correction method.
- a sufficiently powerful encryption of the values stored in the radio channel must be provided, provided that they are only stored and processed there on a single channel. This must ensure that falsification of the data can be detected in terms of security.
- the advantage here is that the train control method according to the invention uses an existing infrastructure and that no additional operational expenses, such as providing and driving through a separate measuring section, are necessary.
- ZP k , ZP k + 1 , ZP k + 2 target points (boundary points) of the route sections S k , S k + 1 , S k + 2
- ZE k , ZE k + 1 , ZE k + 2 route target distances from the target points ZP k , ZP k + 1 , ZP k + 2 to the starting points SP k , SP k + 1 , SP k + 2
- RW k , RW k + 1 , RW k + 2 reference values for the lengths of the route sections S k , S k + 1 , S k + 2
- EI k , EI k + 1 , EI k + 2 suitability information for the route sections S k , S k + 1 , S k + 2
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019215013.6A DE102019215013A1 (de) | 2019-09-30 | 2019-09-30 | Zugbeeinflussungsverfahren und Zugbeeinflussungssystem |
| PCT/EP2020/074204 WO2021063605A1 (de) | 2019-09-30 | 2020-08-31 | Zugbeeinflussungsverfahren und zugbeeinflussungssystem mit korrektur des im fahrzeug gespeicherten raddurchmesserwertes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3996966A1 true EP3996966A1 (de) | 2022-05-18 |
| EP3996966B1 EP3996966B1 (de) | 2023-08-16 |
Family
ID=72473508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20771463.5A Active EP3996966B1 (de) | 2019-09-30 | 2020-08-31 | Zugbeeinflussungsverfahren und zugbeeinflussungssystem mit korrektur des im fahrzeug gespeicherten raddurchmesserwertes |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3996966B1 (de) |
| DE (1) | DE102019215013A1 (de) |
| ES (1) | ES2962981T3 (de) |
| WO (1) | WO2021063605A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115593373A (zh) * | 2021-06-28 | 2023-01-13 | 比亚迪股份有限公司(Cn) | 轮径校准方法、介质和设备 |
| CN113734237B (zh) * | 2021-11-03 | 2022-02-08 | 比亚迪股份有限公司 | 用于确定车辆轮径的方法、存储介质及电子设备 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3148401A1 (de) * | 1981-12-07 | 1983-06-09 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zum bestimmen des raddurchmessers eines schienenfahrzeugs |
| DE19630575A1 (de) * | 1996-07-30 | 1998-02-05 | Sel Alcatel Ag | System zur semikontinuierlichen Steuerung von spurgeführten Fahrzeugen |
| DE10063979C9 (de) * | 2000-12-14 | 2007-06-06 | Siemens Ag | Zugbeeinflussungseinrichtung |
| DE102007058193A1 (de) * | 2007-12-04 | 2009-06-10 | Continental Teves Ag & Co. Ohg | Verfahren zur Kalibrierung eines Raddrehzahlerfassungssystems |
| DE102016200436A1 (de) * | 2016-01-15 | 2017-07-20 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur automatischen Kalibrierung eines Messsensors einer angetriebenen Achse eines Schienenfahrzeugs |
-
2019
- 2019-09-30 DE DE102019215013.6A patent/DE102019215013A1/de not_active Withdrawn
-
2020
- 2020-08-31 WO PCT/EP2020/074204 patent/WO2021063605A1/de not_active Ceased
- 2020-08-31 EP EP20771463.5A patent/EP3996966B1/de active Active
- 2020-08-31 ES ES20771463T patent/ES2962981T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2962981T3 (es) | 2024-03-22 |
| WO2021063605A1 (de) | 2021-04-08 |
| EP3996966B1 (de) | 2023-08-16 |
| DE102019215013A1 (de) | 2021-04-01 |
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