Method for operating a ventilation system

Abstract

The invention relates to a method for operating a ventilation system (10) of a track-bound vehicle (1), wherein the fresh air quantity (20) conducted into the interior (2) of the track-bound vehicle (1) per unit of time is set by means of the ventilation system (10). The invention is characterized in that a VOC value VOC is ascertained, and the fresh air quantity (20) per unit of time is ascertained and set on the basis of the VOC value.

Description

[0001] Description

[0002] Method for operating a ventilation system

[0003] The invention relates to a method for operating a ventilation system of a track-guided vehicle, wherein the ventilation system is used to adjust the quantity of fresh air fed into an interior of the track-guided vehicle per unit of time.

[0004] Furthermore, the invention relates to a ventilation system for a track-guided vehicle, which is designed to convey ambient air into the interior of the track-guided vehicle, and wherein the ventilation system is designed such that the amount of fresh air directed into an interior of the track-guided vehicle per unit of time is adjustable.

[0005] Furthermore, the invention relates to a track-guided vehicle comprising at least one such ventilation system or one further developed as described below.

[0006] Furthermore, the invention relates to a computer program product which is to be used in a computer of a ventilation system for a rail-guided vehicle or in a computer of a rail-guided vehicle with such a ventilation system.

[0007] Furthermore, the invention relates to a computer-readable recording medium on which a computer program product is recorded.

[0008] Furthermore, the invention relates to a digital twin of such a ventilation system or a system further developed as described below, or of such a rail-guided vehicle or a system further developed as described below. Air quality is playing an increasingly important role in all areas of life. While previously the CO2 and CO concentrations in the air played a major role, people today are also more aware of other mixed gases and particulate matter in the ambient air.

[0009] In the past, processes for ventilation and / or air conditioning of rail-guided vehicles were therefore adjusted in particular based on the CO2 concentration and the CO2 concentration.

[0010] Based on this, the object of the invention is to provide an alternative solution for adjusting the ventilation.

[0011] This object is achieved by the method of claim 1. Furthermore, the object is achieved by the ventilation system of claim 11, the track-guided vehicle of claim 16, the computer program product according to claim 17, the computer-readable recording medium according to claim 18 and the digital twin according to claim 19.

[0012] Advantageous embodiments and further developments are the subject of the respective subclaims.

[0013] According to the invention, a method is provided for operating a ventilation system of a rail-guided vehicle, wherein the amount of fresh air fed into an interior of the rail-guided vehicle per unit of time is adjusted by means of the ventilation system. The method provides that at least one VOC value is determined and the amount of fresh air per unit of time is determined and adjusted as a function of the at least one VOC value. Furthermore, according to the invention, a ventilation system for a rail-guided vehicle is provided which is designed to convey ambient air into the interior of the rail-guided vehicle, wherein the ventilation system is designed such that the amount of fresh air fed into an interior of the rail-guided vehicle per unit of time is adjustable.The ventilation system is designed in such a way that at least one VOC value can be determined and the amount of fresh air per unit of time can be determined and adjusted as a function of the at least one VOC value.

[0014] Furthermore, according to the invention, a track-guided vehicle is provided, comprising at least one such ventilation system or one further developed as described below.

[0015] Furthermore, according to the invention, a computer program product is provided which is to be used in a computer of a ventilation system for a track-guided vehicle or in a computer of a track-guided vehicle with such a ventilation system, wherein the computer program product, when executed, causes the computer to carry out such a method or a method further developed as described below for operating the ventilation system.

[0016] Furthermore, according to the invention, a computer-readable recording medium on which a computer program product is recorded is provided, wherein the computer program product, when executed in a ventilation system for a rail-guided vehicle, is suitable for causing a computer of the ventilation system for a rail-guided vehicle or a computer of the rail-guided vehicle with such a ventilation system to carry out such a method or a method further developed as described below for operating the ventilation system.Furthermore, according to the invention, a digital twin of such a ventilation system or a system further developed as described below or of such a rail-guided vehicle or a system further developed as described below is provided, wherein the digital twin comprises a digitized image of such a ventilation system or a system further developed as described below or a digitized image of such a rail-guided vehicle or a system further developed as described below.

[0017] According to the invention, the amount of fresh air depends on the at least one VOC value, so that the amount of fresh air changes depending on the at least one VOC value.

[0018] VOC stands for "volatile organic compounds." These are volatile organic substances, also known as mixed gases. They are created, for example, by vapors from materials, body odors, and / or tobacco smoke.

[0019] The VOC value is a measure of the mixed gases in the air.

[0020] The mixed gas concentration or the VOC value is measured using VOC sensors and then evaluated.

[0021] VOC sensors are known from other areas of technology and are commercially available. Various VOC sensors are available as modules for indoor use. The track-guided vehicle is, for example, a rail vehicle or a magnetic levitation train, preferably for passenger transport.

[0022] The ventilation system can be part of an air conditioning system. VOC sensors can be used to detect refrigerant leaks.

[0023] In a refinement, the VOC sensors can be used to detect HFCs and thus a leak in the refrigeration circuit with the escape of an HFC refrigerant.

[0024] Adjusting the amount of fresh air per unit of time, depending on the particle level of the ambient air, can include both open-loop and closed-loop control.

[0025] The ventilation system has an adjustment device which is designed to adjust the amount of fresh air.

[0026] Volatile mixed gases (VOCs) in particular are often only detectable using measuring devices and are frequently not actively perceived by people. Depending on their type and concentration, VOCs have different effects on humans. They can range from unpleasant odors to nausea and headaches to more serious problems such as cramps and coma. The invention thus prevents such mixed gases from going unnoticed, thus preventing the aforementioned disadvantages from occurring.

[0027] A further advantage is that this process allows for a higher volume of fresh air to be drawn in once the VOC level of the recirculated air, and thus the VOC load, decreases. This allows the rail-guided vehicle to be used even during temporarily high VOC levels without the VOC level in the vehicle's interior increasing unacceptably.

[0028] Mold growth frequently occurs in ventilation systems, air conditioning units, and / or ducts. VOC sensors and intelligent analysis, combined with humidity and temperature, can detect mold growth early and initiate appropriate measures.

[0029] In a further development of the method, it can be provided that a VOC value of the fresh air of the track-guided vehicle is determined.

[0030] In a further development of the ventilation system, it can be provided that the ventilation system has a VOC fresh air sensor which is designed to determine a VOC value of the fresh air of the track-guided vehicle.

[0031] The fresh air is the ambient air of the track-guided vehicle, which is supplied to the ventilation system from outside the vehicle.

[0032] The VOC fresh air sensor is preferably located in the exhaust tract of the ventilation system.

[0033] The quality of the air in the interior of the track-guided vehicle can be improved by intelligently adjusting the fresh air.

[0034] Preferably, the VOC fresh air sensor is placed and integrated directly on the ventilation system or in the air conditioning unit of the ventilation system.

[0035] This ensures that the VOC value of the fresh air is determined, and based on this, the amount of fresh air supplied to the interior is adjusted. This can thus be adjusted to a VOC value of the fresh air. In a further development of the method, it can also be provided that a VOC value of the recirculated air of the track-guided vehicle is determined.

[0036] In a further development of the ventilation system, it can be provided that the ventilation system has a VOC circulating air sensor which is designed to determine a VOC value of the circulating air of the track-guided vehicle.

[0037] The recirculated air is the air from the interior of the track-guided vehicle, which is fed to the ventilation system from the interior.

[0038] The VOC air sensor is preferably located in the air supply duct of the ventilation system. Thus, the VOC air sensor is placed and integrated directly into the ventilation system or into the ventilation system's air conditioning unit.

[0039] This allows for intelligent air recirculation, which can improve the quality of the air in the interior.

[0040] Furthermore, the VOC air sensor can be used to detect refrigerant leaks.

[0041] In a further development of the method, it can be provided that a VOC value of the supply air of the track-guided vehicle is determined.

[0042] In a further development of the ventilation system, the ventilation system can be provided with a VOC supply air sensor designed to determine a VOC value of the supply air of the rail-guided vehicle. The supply air is the air that is supplied from the ventilation system to the interior of the rail-guided vehicle.

[0043] The VOC supply air sensor is preferably located in the supply air duct of the ventilation system. Thus, the VOC supply air sensor is placed and integrated directly into the ventilation system or into the ventilation system's air conditioning unit.

[0044] This allows for intelligent adjustment of the supply air, which can improve the quality of the air in the interior.

[0045] Furthermore, the VOC supply air sensor can be used to detect refrigerant leaks.

[0046] In a further development of the method, it can be provided that the amount of fresh air per unit of time corresponds to at least a predetermined minimum amount of fresh air per unit of time.

[0047] The minimum amount of fresh air is defined, for example, by the standards EN13129 and EN14750.

[0048] This ensures that a defined standard-compliant air exchange is always guaranteed.

[0049] In a further development of the method, it can be provided that an occupancy-dependent state parameter value of the interior is determined and the specified minimum fresh air quantity per unit of time is determined as a function of the occupancy-dependent state parameter value. This creates a feedback loop, so that only the actual required air quantity per unit of time is determined and set as the minimum fresh air quantity per unit of time, as a function of the occupancy-dependent state parameter value.

[0050] Furthermore, the method can provide that the occupancy-dependent state parameter value of the interior is the CO2 value of the circulating air and / or a number of people in the interior.

[0051] As a result, the occupancy level or an occupancy-dependent state parameter value, such as the CO2 concentration, is used directly to adjust the ventilation system, thereby adapting the amount of fresh air to the actual conditions.

[0052] This makes it possible for the amount of fresh air taken in to also be regulated via the CCp concentration. If the VOC value of the fresh air is high and the limit / setpoint for the CCp concentration in the interior is not reached, the fresh air supplied from outside is reduced to a minimum or the fresh air intake from outside is completely stopped. Only when the CCp limit is reached is the fresh air intake opened again or partially opened. CCp limit values ​​are included, for example, in the "Technical Specifications for Interoperability (TS I) for Rolling Stock - Locomotives and Passenger Carriage LOC&PAS" (cf. Regulation (EU) No. 1302 / 2014 in the consolidated version of March 11, 2020).

[0053] With other fresh air intakes, the air quantity can be reduced to a minimum. This minimum can depend on, for example, temperature, pressure, etc. In a further development of the method, it can further be provided that the at least one VOC value is continuously determined and compared with at least one predetermined VOC target value and, under the condition that the at least one VOC value deviates from the at least one predetermined VOC target value, the quantity of fresh air fed into the interior per unit of time is adjusted.

[0054] For example, an initial VOC target value is 800 ppm of mixed gas content in the air. If the VOC value is below 800 ppm, it is permissible.

[0055] A second VOC target value, for example, is 1200 ppm of mixed gas in the air. If the VOC value is between 800 and 1200 ppm, this is conditionally permissible, meaning it can be tolerated for a limited period of time.

[0056] A third VOC target value, for example, is 1200 ppm of mixed gas content in the air. If the VOC value is above 1200 ppm, it is not permitted.

[0057] In a further development of the method, it can further be provided that if the VOC target value of the recirculated air is not complied with, the amount of fresh air fed into the interior per unit of time is increased and / or if the VOC target value of the recirculated air is complied with, the amount of fresh air fed into the interior per unit of time is kept constant or reduced.

[0058] If, for example, the concentration of mixed gases in the passenger compartment (in the recirculated air) increases, e.g. due to cleaning agents, body odors, tobacco smoke, etc., the supply of fresh air can be increased significantly. In a further embodiment of the method, it can be provided that if the VOC target value of the fresh air is not met, the amount of fresh air fed into the interior per unit of time is kept constant or reduced and / or if the VOC target value of the fresh air is met, the amount of fresh air fed into the interior per unit of time is increased.

[0059] If, for example, the concentration of mixed gases in the fresh air increases, e.g. in an industrial area or similar, the ventilation system can temporarily reduce the amount of fresh air contaminated with mixed gases, taking into account the maximum permissible CO2 concentration in the interior.

[0060] Furthermore, in a further development of the track-guided vehicle, it can be provided that a device is designed which is designed to make the air quality available to the passengers as information, for example via an app or info screen.

[0061] It is also possible to adjust the recirculated air volume and / or the supply air volume according to the process. For this purpose, appropriate adjustment devices for adjusting the supply air volume and / or adjustment devices for adjusting the recirculated air volume are provided.

[0062] Furthermore, the ventilation system can be designed in such a way that it is designed to carry out the method.

[0063] All procedural embodiments apply equally to the ventilation system and the track-guided vehicle. The invention will be explained below using an exemplary embodiment with reference to the drawing.

[0064] It shows :

[0065] Fig. 1 shows a schematic representation of a ventilation system according to the invention for a track-guided vehicle;

[0066] Fig. 2 shows a schematic detailed representation of the ventilation system according to the invention of a track-guided vehicle according to Fig. 1;

[0067] Fig. 3 shows a schematic representation of the method according to the invention for operating a ventilation system of the track-guided vehicle.

[0068] Fig. 1 shows a schematic representation of a track-guided vehicle 1 according to the invention with a ventilation system 10 according to the invention.

[0069] The ventilation system 10 is intended for a rail-guided vehicle 1 and is designed to convey ambient air U into the interior 2 of the rail-guided vehicle 1.

[0070] The interior 2 of the track-guided vehicle 1 is, for example, a passenger compartment.

[0071] The ventilation system 10 is designed such that the amount of fresh air 20 supplied per unit of time into an interior 2 of the track-guided vehicle 1 is adjustable. For this purpose, the ventilation system 10 has an adjusting device designed to adjust the amount of fresh air 20.

[0072] The ventilation system 1 can also be designed as part of an air conditioning system.

[0073] The ventilation system 10 is designed such that at least one VOC value VOC F , VOCu, VOC Z can be determined .

[0074] The amount of fresh air 20 per unit of time is dependent on at least one VOC value VOC F , VOC F , VOC Z the fresh air F can be determined and adjusted.

[0075] The fresh air F is the ambient air of the track-guided vehicle 1 , which is supplied to the ventilation system 10 from outside the track-guided vehicle 1 .

[0076] Fig. 2 shows a schematic, detailed representation of the ventilation system 10 according to the invention of the track-guided vehicle 1 according to Fig. 1. This can be part of an air conditioning unit.

[0077] The ventilation system 10 has a VOC fresh air sensor 50 which is used to determine a VOC value VOC F the fresh air F of the track-guided vehicle 1 is formed.

[0078] The VOC fresh air sensor 50 is preferably arranged in the exhaust tract of the ventilation system 1. The ventilation system 10 can also have more than one VOC fresh air sensor 50. The ventilation system 10 has a VOC recirculating air sensor 60, which is designed to determine a VOC value VOCu of the recirculating air U of the track-guided vehicle 1.

[0079] The recirculated air U is the air from the interior 2 of the track-guided vehicle 1 , which is fed to the ventilation system 10 from the interior.

[0080] The VOC air sensor 60 is preferably arranged in the air supply tract of the ventilation system 10. According to Fig. 2, the ventilation system 10 has two VOC air sensors 50.

[0081] The ventilation system 10 has a VOC supply air sensor 70 which is used to determine a VOC value VOC Z the supply air Z of the track-guided vehicle 1 is formed.

[0082] The VOC supply air sensor 70 is preferably arranged in the supply air tract of the ventilation system 10.

[0083] Furthermore, the ventilation system 10 can comprise further components, such as at least one temperature control device 80 and at least one filter F.

[0084] Furthermore, the ventilation system 10 comprises a control device (not shown) which is designed to adjust the amount of fresh air, the amount of recirculated air and / or the amount of supply air. Furthermore, the at least one VOC sensor is operatively connected to the control device. The control device can also be connected to a central control device of the track-guided vehicle. If the track-guided vehicle is a rail vehicle, this can be a central train control device. The ventilation system 10 is designed such that it is designed to carry out the method described below with reference to Fig. 3.

[0085] Fig. 3 shows a schematic representation of the method according to the invention for operating a ventilation system 10 of the track-guided vehicle 1.

[0086] The method is a method for operating the ventilation system 10 of a track-guided vehicle 1, as described with reference to Figs. 1 and 2. The ventilation system 10 is used to adjust the amount of fresh air 20 fed into an interior 2 of the track-guided vehicle 1 per unit of time. It is also possible to adjust the amount of recirculated air and / or the amount of fresh air.

[0087] According to the method, in one step it is provided that at least one VOC value VOC F , VOCu, VOC Z is determined and the amount of fresh air 20 per unit of time is determined depending on the at least one VOC value VOC F , VOCu, VOC Z is determined and adjusted.

[0088] Adjusting the amount of fresh air can include reducing, increasing or keeping the amount of fresh air constant, as shown in Fig. 3.

[0089] At least one VOC value is a VOC value VOC F the fresh air F of the track-guided vehicle 1 and / or a VOC value VOCu of the recirculating air U of the track-guided vehicle 1 and / or a VOC value VOC Z the supply air Z of the track-guided vehicle 1. The at least one VOC value VOC F , VOCu, VOC Z is continuously determined and compared with at least one specified VOC target value S F , SU, S Z compared . Under the condition that at least one VOC value VOC F , VOCu, VOC Z of which at least one specified VOC target value S F , Su, S z deviates , the amount of fresh air 20 fed into the interior 2 per unit of time is set.

[0090] The method provides that if the VOC target value Su of the recirculating air U is not complied with, the amount of fresh air 20 fed into the interior 2 per unit of time is increased and / or if the VOC target value Su of the recirculating air U is complied with, the amount of fresh air 20 fed into the interior 2 per unit of time is kept constant or reduced.

[0091] Furthermore, the procedure stipulates that if the VOC target value S is not met F of the fresh air F, the amount of fresh air 20 fed into the interior 2 per unit of time is kept constant or reduced and / or if the VOC setpoint S is maintained F the fresh air F, the amount of fresh air 20 fed into the interior 2 per unit of time, is increased.

[0092] This can be done in the embodiment according to Fig. 3 with or without taking into account an occupancy-dependent state parameter value 40 of the interior space 2, such as the COu concentration.

[0093] As an alternative to the COu concentration, the occupancy-dependent state parameter value 40 of the interior space 2 can also be a number of people in the interior space 2.

[0094] If the procedure is carried out without taking into account an occupation-dependent state parameter value 40 (here the CO Z - concentration) of the interior 2, the amount of fresh air 20 can be adjusted. Such operation is possible, for example, when there are no people in the track-guided vehicle, such as on a "business trip", a trip to the depot, etc.

[0095] If the method is carried out taking into account an occupancy-dependent state parameter value 40 (here the CO2 concentration) of the interior space 2, the occupancy-dependent state parameter value 40 (here the CCt concentration) of the interior space 2 is first determined.

[0096] The occupancy-dependent state parameter value 40 of the interior space 2 is continuously determined and compared with a predetermined target value or limit value of the occupancy-dependent state parameter value 42 and, under the condition that the occupancy-dependent state parameter value 40 of the interior space 2 deviates from the predetermined target value 42, the amount of fresh air 20 fed into the interior space 2 per unit of time is adjusted.

[0097] If the target value of the occupancy-dependent state parameter value 42 is not met, the amount of fresh air 20 supplied to the interior 2 per unit of time is increased. This is done in order to restore compliance with the target value of the occupancy-dependent state parameter value 42.

[0098] If the setpoint of the occupancy-dependent state parameter value 42 is maintained, the amount of fresh air 20 fed into the interior 2 per unit of time is reduced.

[0099] The fresh air quantity 20 per unit of time always corresponds to at least a predetermined minimum fresh air quantity 30 per unit of time. It can be provided that the predetermined minimum fresh air quantity 30 per unit of time is determined as a function of the occupancy-dependent state parameter value 40.

[0100] Furthermore, according to the invention, a computer program product is provided which is to be used in a computer of a ventilation system 10 or in a computer of a rail-guided vehicle 1 with such a ventilation system 1, wherein the computer program product, when executed, causes the computer to carry out the method for operating the ventilation system 10 described above with reference to Fig. 3.

[0101] Furthermore, a computer-readable recording medium on which the computer program product is recorded is provided. The computer program product, when executed in a ventilation system 10 for a rail-guided vehicle, in a computer of the ventilation system 10 for a rail-guided vehicle, or in a computer of the rail-guided vehicle 1 with such a ventilation system 10, is suitable for causing the method for operating the ventilation system 10 described above with reference to Fig. 3 to be carried out.

[0102] Finally, a digital twin of the ventilation system or the track-guided vehicle is provided, wherein the digital twin comprises a digitized image of a ventilation system 10 or a digitized image of the track-guided vehicle.

[0103] The above disclosure applies equally to a rail-guided vehicle comprising at least one ventilation system 10 designed as described above. Likewise, the above disclosure can also relate to an individual car body of a rail-guided vehicle. Finally, it should be mentioned that the features of all the embodiments described above can be combined with one another in any desired manner to form further alternative embodiments of the invention. Furthermore, all features of subclaims can each be combined individually with any feature of any other claim, either individually or in any desired combination, to obtain further alternative embodiments.Although the invention has been illustrated and described in detail by means of an embodiment, the invention is not limited by the disclosed examples and other variations can be derived therefrom by a person skilled in the art without departing from the scope of the invention.

[0104] Regardless of the grammatical gender of a particular term, persons with male, female or other gender identity are included.

Claims

Patent claims 1. A method for operating a ventilation system (10) of a track-guided vehicle (1), wherein the ventilation system (10) is used to adjust the amount of fresh air (20) fed into an interior (2) of the track-guided vehicle (1) per unit of time, characterized in that at least one VOC value (VOC F , VOCu, VOC Z ) is determined and the amount of fresh air (20) per unit of time is determined as a function of the at least one VOC value (VOC F , VOC F , VOC Z ) is determined and adjusted.

2. A method according to claim 1, characterized in that a VOC value (VOC F ) of the fresh air (F) of the track-guided vehicle (1) is determined.

3. Method according to one of claims 1 or 2, characterized in that a VOC value (VOC F ) of the recirculating air (U) of the track-guided vehicle (1) is determined.

4. Method according to one of claims 1 to 3, characterized in that a VOC value (VOC Z ) of the supply air (Z) of the track-guided vehicle (1) is determined.

5. Method according to one of the preceding claims, characterized in that the amount of fresh air (20) per unit of time corresponds to at least a predetermined minimum amount of fresh air (30) per unit of time.

6. Method according to claim 5, characterized in that an occupancy-dependent state parameter value (40) of the interior space (2) is determined and the predetermined minimum fresh air quantity (30) per unit of time is determined as a function of the occupancy-dependent state parameter value (40).

7. Method according to claim 6, characterized in that the occupancy-dependent state parameter value (40) of the interior space (2) of the CO z -value of the circulating air and / or a number of people in the interior (2).

8. Method according to one of the preceding claims, characterized in that the at least one VOC value (VOC F , VOCu, VOC Z ) is continuously determined and compared with at least one specified VOC target value (S F , SU, S Z ) and, under the condition that at least one VOC value (VOC F , VOCu, VOC Z ) of which at least one predetermined VOC target value (S F , Su, S z ), the amount of fresh air (20) fed into the interior (2) per unit of time is adjusted.

9. Method according to claim 8, characterized in that - if the VOC target value (Su) of the recirculated air (U) is not met, the amount of fresh air (20) fed into the interior (2) per unit of time is increased and / or - while maintaining the VOC target value (Su) of the recirculated air (U), the quantity of fresh air (20) fed into the interior (2) per unit of time is kept constant or reduced.

10. Method according to claim 8 or 9, characterized in that - if the VOC target value (S F ) of the fresh air (F), the quantity of fresh air (20) fed into the interior (2) per unit of time is kept constant or reduced and / or - if the VOC target value (S F ) of the fresh air (F), the amount of fresh air (20) fed into the interior (2) per unit of time is increased.

11. Ventilation system (10) for a track-guided vehicle (1), which is designed to convey ambient air (U) into the interior (2) of the track-guided vehicle (1), wherein the ventilation system (10) is designed such that the amount of fresh air (20) directed per unit of time into an interior (2) of the track-guided vehicle (1) is adjustable, characterized in that the ventilation system (10) is designed such that at least one VOC value (VOC F , VOCu, VOC Z) and the amount of fresh air (20) per unit of time is determined as a function of the at least one VOC value (VOC F , VOC F , VOC Z ) can be determined and adjusted.

12. Ventilation system (10) according to claim 11, characterized in that the ventilation system (10) has a VOC fresh air sensor (50) which is used to determine a VOC value (VOC F ) of the fresh air (F) of the track-guided vehicle (1).

13. Ventilation system (10) according to one of claims 11 or 12, characterized in that the ventilation system (10) has a VOC circulating air sensor (60) which is used to determine a VOC value (VOC F ) of the recirculating air (U) of the track-guided vehicle (1).

14. Ventilation system (10) according to one of claims 11 to 13, characterized in that the ventilation system (10) has a VOC supply air sensor (70) which is used to determine a VOC value (VOC Z) of the supply air (Z) of the track-guided vehicle (1).

15. Ventilation system (10) according to claim 11 or 14, characterized in that it is designed such that it is designed to carry out the method according to one of claims 1 to 10.

16. A track-guided vehicle (1) comprising at least one ventilation system (10) according to one of claims 11 to 15.

17. A computer program product to be used in a computer of a ventilation system (10) for a rail-guided vehicle (1) or in a computer of a rail-guided vehicle (1) with such a ventilation system (1), wherein the computer program product, when executed, causes the computer to carry out a method for operating the ventilation system (10) according to one of claims 1 to 10.

18. Computer-readable recording medium on which a computer program product is recorded, characterized in that the computer program product, when executed in a ventilation system (10) for a rail-guided vehicle, is suitable for causing a method for operating the ventilation system (10) according to one of claims 1 to 10 to be carried out in a computer of the ventilation system (10) for a rail-guided vehicle or in a computer of the rail-guided vehicle (1) with such a ventilation system (1).

19. Digital twin of a ventilation system (10) according to one of claims 11 to 15 or of a track-guided vehicle according to claim 16, wherein the digital twin comprises a digitized image of a ventilation system (10) according to one of claims 11 to 15 or a digitized image of a track-guided vehicle according to claim 16.

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