EP2943386A1 - Verfahren und vorrichtung zum analysieren eines streumittels und zum steuern eines aufbringens eines streumittels auf eine schiene für ein schienenfahrzeug - Google Patents
Verfahren und vorrichtung zum analysieren eines streumittels und zum steuern eines aufbringens eines streumittels auf eine schiene für ein schienenfahrzeugInfo
- Publication number
- EP2943386A1 EP2943386A1 EP13817939.5A EP13817939A EP2943386A1 EP 2943386 A1 EP2943386 A1 EP 2943386A1 EP 13817939 A EP13817939 A EP 13817939A EP 2943386 A1 EP2943386 A1 EP 2943386A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- scattering
- wheel
- movement
- 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
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- 230000007480 spreading Effects 0.000 claims description 15
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- 238000004590 computer program Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 66
- 239000004576 sand Substances 0.000 description 26
- 238000001514 detection method Methods 0.000 description 19
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/08—Preventing wheel slippage
- B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
Definitions
- the present invention relates to a method for analyzing a scattering means located at a point of contact between a rail and a wheel of a rail vehicle, to a method for controlling application of a scattering agent to a rail for a rail vehicle, to corresponding devices and to a scattering system for applying a spreading agent to a rail for a rail vehicle.
- sand By means of a sanding system sand can be applied to a rail of a rail vehicle.
- the applied sand can improve the adhesion between the rail and a wheel of the rail vehicle.
- DE 41 22 032 A1 describes a corresponding sanding plant for vehicles, in particular for rail vehicles.
- Sanding systems in rail vehicles apply a spreading agent, for example sand to the rail.
- the scattering means improves in the processes of driving and braking the rail vehicle, the adhesion between the wheel and rail at the contact point between the wheel and rail. This effect of improving the frictional connection occurs in particular when the frictional connection due to soiled, wet rails is lowered and a power transmission is difficult.
- the spreading material cleans the rail, bridges a possible separating layer between the wheel and the rail and thus makes a higher power flow possible.
- the scattering agent is usually always scattered exactly on or in front of the Ausstandsyakyak, so the contact point between the wheel and the rail.
- the scattering agent located at the contact point By analyzing the scattering agent located at the contact point, it can be seen, for example, whether the scattering agent really works or not. For example, a scattering means applied to the rail can have no effect or only a small effect if the scattering means is blown away or the separating layer between rail and wheel is too thick.
- the analysis of the located at the contact point scattering means allows in this sense, for example, a conclusion on whether a scattered to improve the frictional connection between the rail and the wheel on the rail scattering agent arrives at the relevant point of contact between rail and wheel and there its effect can unfold.
- a method for analyzing a scattering means located at a point of contact between a rail and a wheel of a rail vehicle to improve the adhesion between the rail and the wheel comprises the steps of: reading a motion signal which is a movement caused by the scattering means located on the rail of the wheel represented; and
- a rail vehicle may be understood to mean a vehicle of a wheel-rail system that is driven or guided by at least one wheel on one or more rails.
- the rail vehicle can be motorized or non-motorized, that is, for example, a motor coach or a wagon.
- the rail vehicle may be provided for example for passenger transport or the transport of goods.
- the wheel may be an impeller of the rail vehicle.
- the rail vehicle may have a plurality of such wheels. For example, two wheels may be connected to each other via a common axis.
- the contact point can be considered as a bearing surface within which the wheel rests on the rail.
- Both the wheel and the rail can be made of metal, for example made of steel.
- the scattering agent may be a suitable scattering agent, for example sand, as is already used in rail vehicles to improve the frictional connection between wheel and rail.
- the scattering agent can be composed of a quantity of particles, for example sand grains. Particles of the scattering agent, which are in contact with the wheel and the rail at the contact point, can increase the frictional connection and thus the friction between the wheel and the rail.
- a wheel facing surface of the rail is in itself smooth.
- the scattering agent located on the surface of the rail causes unevenness on the surface of the rail. If the wheel rolls over such unevenness, the unevenness can lead to movements, for example to vibrations or longitudinal movements of the wheel, in particular to vertical movements of the wheel.
- Such movement of the wheel caused by the scattering means may be dependent on different properties of the scattering agent located at the contact point.
- a property may relate to a quantity or density of the scattering agent located at the contact point on the rail.
- Another property may relate to the nature, such as the hardness or size of the particles of the scattering agent.
- a further property may relate, for example, to an incorporation of the scattering agent into a separating layer which may be present on the surface of the rail and which may be composed, for example, of leaves.
- Different properties of the litter may be characterized by characteristic courses of movement of the wheel. Thus, it can be concluded from a characteristic course of the movement of the wheel on a property of the scattering means at the contact point.
- the scattering agent can be analyzed by evaluating the movement of the wheel.
- the properties of the scattering agent determined by the analysis of the scattering agent can in turn be assigned different effects of the scattering agent, which, for example, affect the braking action of the rail vehicle.
- the movement of the wheel can be detected via a suitable detection device, for example in the form of an acceleration sensor, a strain gauge, a structure-borne sound sensor or another suitable sensor.
- the movement signal may represent a signal provided by the detection device or one of the detection devices downstream of the detection device.
- the motion signal may be an analog or digital electrical signal.
- the motion signal can be evaluated with suitable known evaluation methods in order first to analyze the motion signal and, based thereon, the scattering means located on the rail.
- An evaluation of the motion signal can, for example, be based on a comparison of the motion signal with one or more references, For example, based in the form of a reference value or a reference signal.
- Corresponding references may relate to different properties of the scattering agent located at the contact point to be analyzed and, for example, have been determined in advance during a test run of a rail vehicle.
- a detection device for detecting the movement of the wheel can be arranged, for example, on the wheel itself, on a wheel hub of the wheel or on an axle supporting the wheel.
- the movement signal may represent the movement of the wheel on its own or a superposition of the movements of several wheels, for example of two wheels of the rail vehicle.
- the motion signal may represent a time course of the movement of the wheel. As a result, a course of the movement of the wheel can be mapped over time.
- a movement signal can be read in via an interface to a detection device. Such a movement signal can be provided very quickly and inexpensively.
- the movement signal may represent a signal determined from the time profile of the movement of the wheel.
- the motion signal can already be preprocessed in this case.
- the motion signal may be a transformed signal.
- a Fourier transform may be performed to obtain the motion signal.
- the movement signal can map the movement of the wheel, for example in the frequency domain. Such a preprocessed motion signal can facilitate the evaluation.
- a frequency spectrum of the motion signal can be evaluated in order to analyze the scattering means located on the rail. For example, by calculations or test series, a characteristic characteristic of a typical property of a scattering agent can be determined in a frequency spectrum of the movement of the wheel.
- the frequency spectrum of the motion signal or a frequency range of the frequency spectrum of the motion signal can then be compared with the characteristic curve in order to analyze the property of the scattering means. Accordingly, characteristic curves in the frequency spectrum can be determined in each case for a number of typical properties of the scattering means and used to analyze the movement signal.
- a rash can represent a so-called peak in the course of the motion signal.
- corresponding characteristic values with regard to the profile of the deflections can be related to predetermined reference values or reference intervals. For example, in each case a height of the deflections can be evaluated. Additionally or alternatively, a length of the deflections can be evaluated in each case. Accordingly, mean values formed over the plurality of excursions can be evaluated. In this way, the motion signal can be evaluated by simple threshold comparisons.
- a density of the scattering agent at the contact point can be determined to analyze the scattering means.
- the density may be understood to mean a number of particles of the scattering agent per unit area. Information about the density may be used to advantage in order to adjust the application of the scattering agent. If a density that is too low is determined, for example, the amount of scattering agent to be applied can be increased.
- an integration of the scattering agent into a foreign layer located on the surface of the rail can be determined in order to analyze the scattering agent.
- particles of the scattering agent can be completely or partially incorporated into the foreign layer. If excessive incorporation of the scattering agent into a foreign layer is determined, then the amount of scattering agent to be applied can be increased in order to fill up the layer thickness of the foreign layer with scattering agent.
- a method for controlling application of a spreader to a rail for a rail vehicle comprises the following steps:
- the control signal may be, for example, an electrical signal.
- the control signal can be designed to control a scattering device for applying the scattering agent to the rail.
- An apparatus for analyzing a scattering means located at a point of contact between a rail and a wheel of a rail vehicle has means adapted to perform the steps of said method
- an apparatus for controlling application of a spreader to a rail for a rail vehicle includes means configured to perform the steps of a method for controlling application of a spreader to a rail for a rail vehicle.
- a device can be understood as meaning an electrical device which processes the motion signal and outputs control and / or data signals in dependence thereon.
- the device may have an interface, which may be formed in hardware and / or software.
- the interfaces can be part of an integrated circuit, for example, which contains a wide variety of functions of the device.
- the interfaces may be software modules that For example, on a microcontroller in addition to other software modules are available.
- a spreader for applying a spreader to a rail for a rail vehicle has the following features: a spreader for applying the spreader to the rail; and an apparatus for analyzing a scattering means located at a contact point between a rail and a wheel of a rail vehicle, or a device for controlling application of a scattering agent to a rail for a rail vehicle.
- the spreader can be realized for example as a stand spreader.
- the scattergram may be part of the rail vehicle or be provided for mounting on the rail vehicle.
- the rail vehicle may have a plurality of scattering devices. By operation of the scattering system, scattering means can be applied to the rail while the rail vehicle is traveling, for example in order to increase the friction between wheel and rail during a braking operation of the rail vehicle.
- a computer program product with program code which can be stored on a machine-readable carrier such as a semiconductor memory, a hard disk memory or an optical memory and is used to carry out the method according to one of the embodiments described above if the program product is installed on a computer or a suitable computer is also of advantage Device is running.
- Fig. 1 is a schematic representation of a rail vehicle according to a
- FIG. 2 shows a schematic representation of a scattering system according to an exemplary embodiment of the present invention
- a schematic representation of an apparatus for analyzing according to an embodiment of the present invention a flowchart of a method for controlling application of a scattering means according to an embodiment of the present inven tion
- a waveform of a motion signal in the time domain according to an embodiment of the present invention a waveform of a motion signal in the frequency domain according to an embodiment of the present invention.
- the rail vehicle 100 has, for example, a first wheel 102 and a second wheel 104, which are guided on a rail 108 during travel of the rail vehicle 100 in a direction of travel 106.
- the rail vehicle 100 has at least one scattering system 1 10 for applying a scattering agent 1 12 on the rail 108.
- the scattering system 110 shown is arranged on the rail vehicle 100, which applies the scattering means 1 12 with respect to the direction of travel 106 in front of a contact point 14 between the first wheel 102 and the rail 108 on a surface of the rail 108 facing the rail vehicle 1 12 becomes.
- the first wheel 102 rolls over the spreading means 1 12
- the first wheel 102 is deflected by the scattering means 1 12 and performs a corresponding movement 1 16, here a directed away from the rail 108 vertical movement 1 16 from.
- a movement profile of the movement 16 is dependent on a property of the scattering means 1 12 located at the contact point 14.
- the movement profile of the movement 1 16 depends on a quantity of the scattering agent 12 located at the contact point 14 and an integration of the movement Gritters 1 12 in one possibly located on the rail 108 foreign layer, which may be caused, for example, by located on the rail 108 foliage.
- the movement 1 16 can be detected by a suitable detection device.
- the detection device can directly with the first wheel 102, with a wheel axle of the first wheel 102, with a wheel hub of the first wheel 102, with a wheel suspension of the first wheel 102, with a bogie comprising the first wheel 102 or with another suitable component of the rail vehicle 100 and be configured to detect the movement 1 16 and to output a motion signal representing the movement 16 or the movement profile of the movement 16.
- the movement signal can be evaluated using a suitable evaluation device in order to be able to draw a conclusion to the movement 1 16 causing the scattering means 1 12.
- the scattering agent 1 12 can be analyzed via the movement 1 16.
- An analysis result relating to the scattering means 1 12 can be used, for example, to control the scattering system 10 or to control a braking maneuver or starting maneuver of the rail vehicle 100.
- Fig. 2 shows a schematic representation of a scattering system 1 10 according to an embodiment of the present invention.
- the scattering system 1 10 can be used for example in connection with the rail vehicle described with reference to FIG.
- the scattering device 110 is configured to apply a scattering means 12 at a contact point between a rail 108 and a wheel 102 running on the rail 108.
- the wheel 102 has a wheel axle 218.
- the wheel 102 and the wheel axle 218 lead due to the rolling of the scattering means 1 12 through the wheel 102 to a movement 1 16.
- the movement 16 is shown as a return movement of the wheel 102 in the direction of the rail 108.
- the spreader 110 comprises a hopper 220 for spreading material 12, for example a sandbox, a sand valve 222, also referred to as a "sand valve", and a sand nozzle 224.
- the reservoir 220 is configured to store and deliver sanding material 222 to the sand valve 222
- the sand valve 222 has an opening for supplying pressurized air 226. If compressed air 226 is supplied to the sand valve 222, scattering agent 12 is led out of the reservoir 220 through the sand valve 222 to the sand nozzle 224 and out of an outlet opening of an outlet pipe of the sand nozzle 224 in the direction of the contact point between the rail 108 and the wheel 102 is blown.
- the spreading of the spreading agent 1 12 can be controlled, for example, by controlling the compressed air 226 or by aligning the outlet opening of the sand nozzle 224.
- a valve for supplying the compressed air can be actuated via a suitable control signal, and thus the discharge of the scattering agent 12 can be controlled.
- a Versteilmotor can be driven via a suitable control signal to control the alignment of the outlet opening of the sand nozzle 224 and thus the spreading of the scattering means 1 12.
- at least one control signal for controlling the application of the scattering agent 1 12 is generated at the contact point between the wheel 102 on the rail 108 as a function of a property of the scattering means 12 determined via the movement 16 of the wheel 102.
- the movement 16 of the wheel 102 can be detected by means of a suitable detection device and evaluated by a device 230 for analyzing the scattering means 1 12 located at the point of contact between the rail 108 and the wheel 102.
- the detection device is designed to provide a movement signal 232 representing the movement 16 to the device 230 for analyzing, for example via an electrical line.
- the analyzer 230 may be in the form of electronics or electrical circuitry.
- the effect of the sanding by the rolling over of the sand 1 12 and thus the refraction of the grain is measured indirectly by the effect on the rolling behavior of the wheel 102.
- a detection device for example a vibration sensor on the respective wheel bearing is used, the information about the vertical acceleration supply 1 16.
- the movement signal provided by the detection device that is to say the measurement signal
- the device 230 for analysis which can be realized as an electronic system.
- the evaluation can be carried out, for example, by one or more Fourier analyzes in such a way that a specific change in the frequency spectrum resulting from the overrun of the sand 212 is monitored.
- the length and height of the Rashes can be used to detect how much sand 212 actually comes in contact with the wheel, and how dampened or "clear" the traction is, for both diagnosis, effect monitoring, and possible amount or position regulation of the sand
- a monitoring function can be integrated as a standard function in a bogie diagnosis of a railway vehicle, or the approach can be used to obtain feedback as to whether sand 212 is actually flowing out of the sanding plant 1. This can be done in addition to or instead of a sand flow sensor
- it can be detected by the evaluation of the movement signal 212 whether the sand 212 acts or arrives in the wheel-rail contact point.
- FIG. 3 shows a schematic representation of a device 230 for analyzing a scattering means located at a contact point between a rail and a wheel of a rail vehicle, which according to this exemplary embodiment is in a control circuit for controlling a scattering system 110 for applying the scattering means to the rail is used.
- the device 230 and the scattering system 1 10 can be used for example in connection with the rail vehicle shown in Fig. 1.
- Shown is a detector 340 which is configured to detect a movement of the wheel of the rail vehicle characteristic of an on-rail scattering means and to generate and output a motion signal 232 representing the movement to the apparatus 230 for analysis.
- the device 230 for analyzing is designed to evaluate the movement signal 232 and to output an analysis result 342 corresponding to the evaluation to a control device 344.
- the control device 344 is designed to generate a control signal 346 using the analysis result 342 and to output it to the scattering system for controlling the scattering device 110.
- the detection device 340 is configured to detect a movement of the wheel of the rail vehicle and to generate and output the movement signal 232 representing the movement.
- the detection device 340 may be configured to detect a vertical movement of the wheel or a component of a vertical movement of the wheel.
- the detection device 340 may, for example, be designed as an acceleration sensor. In this case, the detection device 340 can be configured be formed to detect an acceleration of the wheel as the movement of the wheel.
- the device 230 for analyzing is designed to read in and evaluate the movement signal 232.
- the device 230 may be designed to analyze in order to evaluate a time profile of the movement signal 232.
- the means 230 for analyzing may be configured to evaluate a frequency spectrum or frequency range of a frequency spectrum of the motion signal.
- the device 230 for analyzing can be designed to transform the read-in motion signal into the frequency range.
- the analyzer 230 for analyzing may also be configured to receive the motion signal 232 as a signal already transformed in the frequency domain. A corresponding transformation may in this case have been performed by the detection device 340 or an intermediate processing device.
- the analyzer 230 for analyzing is configured to evaluate a trace or characteristic of the motion signal 232 to analyze the scattering means.
- known methods for signal evaluation of a present in the time domain or frequency domain signal can be used.
- the movement signal 232 can be classified by the evaluation, with different class divisions of the movement signal 232 in turn being able to be assigned to different properties of the scattering means.
- the evaluation may be based on comparisons with predetermined signal values or waveforms that are characteristic of certain properties of the scattering agent. For example, such signal values or signal curves may have been determined in practical driving tests.
- Such predetermined signal values or waveforms may be stored in a memory device and read out by the device 230 for analysis to evaluate the motion signal 232.
- the device 230 for analyzing is designed to output an analysis result 342 corresponding to the evaluation to a control device 344.
- the analysis result 342 includes information about the property of the scattering means at the point of contact between the wheel and the rail, which is determined based on the movement signal 232.
- the control device 344 is designed to receive the analysis result 342 and, based thereon, a control signal 346 for controlling or controlling the scattering system 10 to produce and to provide an interface to the scattering system 1 10.
- the control device 344 is designed to adapt an application rule for applying the scattering agent to the rail, using the analysis result 342, and to generate the control signal 346 based on the adapted application rule. For example, it can be defined by the application method how much scattering agent and in a soft way the scattering agent is applied.
- the analysis result 344 can be provided to a further control device or monitoring device in order, for example, to control an acceleration process or a braking process of the rail vehicle, to monitor a function of the scattering system 110 or to obtain knowledge of a surface state of the rail ,
- FIG. 4 shows a flow chart of a method 450 for controlling a spreading of a scattering agent on a rail for a rail vehicle according to an embodiment of the present invention.
- the method 450 according to this exemplary embodiment comprises a method 452 for analyzing a scattering means located at a contact point between the rail and a wheel of the rail vehicle.
- the method 450 of controlling may be performed to control the scattering system of the rail vehicle shown in FIG.
- the motion signal 232 can be evaluated, for example, by a device for analyzing, as described with reference to FIG. 3.
- the analyzing method 452 comprises a step 462 of reading in a motion signal representing a movement of the wheel caused by the scattering means located on the rail, and a step 464 of evaluating the motion signal to analyze the scattering means located on the rail ,
- method 450 of controlling includes a step 466 of adjusting an application rule to apply the scattering agent to the rail using a step 464 of FIG Evaluating determined analysis result.
- a control signal is provided to apply the spreading agent to the rail in accordance with the application procedure.
- the control signal can be provided to a suitable device of the scattering system, for example a device for controlling the compressed air used for applying the scattering agent.
- the method 452 for analyzing may also be carried out independently, that is to say independently of the further steps 466, 468 of the method 450 for controlling.
- 5 shows a schematic progression of a movement signal 232 in the time domain according to an embodiment of the present invention.
- the movement signal 232 may be a signal representing a movement of a wheel of a rail vehicle caused by a scattering means located on a rail, as described with reference to FIG. 1, for example.
- the movement signal 232 can be evaluated, for example, by a device for analyzing, as described with reference to FIG. 3.
- the motion signal 232 is shown in a coordinate system. In this case, the time t is shown on the abscissa and the amplitude of the movement signal 232 is shown on the ordinate.
- the motion signal 232 may map an acceleration, a velocity or a deflection of a wheel.
- the motion signal 232 may be filtered or unfiltered.
- non-relevant frequency components of the motion signal 232 may have been filtered out in order to be able to evaluate the motion signal 232 more easily in order to analyze the scattering means.
- a current speed of the rail vehicle can be included.
- the movement signal 232 has a plurality of excursions, which are similar in their respective height, ie their amplitude, and their length, ie their duration. From the height and additionally or alternatively from the length of the rashes can be concluded on a property of the gritter. For this purpose, one of the plurality of rashes in the first time period can be evaluated or, for example, an averaging can be used to evaluate an average rash determined from the plurality of rashes.
- the movement signal 232 has a further plurality of excursions, which in turn are mutually exclusive. no, but differ in their average amplitude from the plurality of excursions in the first period.
- the movement signal 232 has no excursions or only very small excursions.
- the course of the movement signal 232 in the first time period may be characteristic of a first property of the scattering means
- the course of the movement signal 232 in the second time period may be characteristic of a second property of the scattering means
- the course of the movement signal 232 in the third time period may be characteristic of a third property to be the litter.
- the course of the movement signal 232 in the first time period can be assigned to a scattering means, which allows a direct adhesion between rail and wheel.
- the course of the movement signal 232 in the second time period can, for example, be assigned to a scattering means, which is integrated in a foreign layer, whereby the frictional connection between the rail and the wheel is damped.
- the course of the movement signal 232 in the third time period can for example be assigned to a scattering means which is either insufficient to fill up a foreign layer on the rail, or which has not reached the contact point between the wheel and the rail, for example because it is from the Rail was blown.
- the movement signal 232 may be a signal that represents a movement of a wheel of a rail vehicle caused by a scattering agent located on a rail, as described, for example, with reference to FIG. 1.
- the motion signal 232 is shown in a coordinate system.
- the frequency f is shown on the abscissa.
- maximum values of the movement signal 232 or values of the movement signal 232 in specific frequency ranges can be evaluated in order to analyze the scattering means.
- the movement signal 232 has a maximum at a frequency f1.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013100250.1A DE102013100250A1 (de) | 2013-01-11 | 2013-01-11 | Verfahren und Vorrichtung zum Analysieren eines Streumittels und zum Steuern eines Aufbringens eines Streumittels auf eine Schiene für ein Schienenfahrzeug |
PCT/EP2013/078033 WO2014108316A1 (de) | 2013-01-11 | 2013-12-27 | Verfahren und vorrichtung zum analysieren eines streumittels und zum steuern eines aufbringens eines streumittels auf eine schiene für ein schienenfahrzeug |
Publications (2)
Publication Number | Publication Date |
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EP2943386A1 true EP2943386A1 (de) | 2015-11-18 |
EP2943386B1 EP2943386B1 (de) | 2019-06-19 |
Family
ID=49918699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP13817939.5A Active EP2943386B1 (de) | 2013-01-11 | 2013-12-27 | Verfahren und vorrichtung zum analysieren eines streumittels und zum steuern eines aufbringens eines streumittels auf eine schiene für ein schienenfahrzeug |
Country Status (5)
Country | Link |
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US (1) | US9783208B2 (de) |
EP (1) | EP2943386B1 (de) |
CN (1) | CN104903175B (de) |
DE (1) | DE102013100250A1 (de) |
WO (1) | WO2014108316A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102016100291B3 (de) * | 2016-01-11 | 2017-03-16 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Ausbringeinrichtung und Verfahren zum Ausbringen von Reibwertmodifikatoren für ein Schienenfahrzeug |
CN109263408A (zh) * | 2018-09-27 | 2019-01-25 | 黄程程 | 车辆撒沙防滑系统 |
CN109177654A (zh) * | 2018-09-27 | 2019-01-11 | 黄程程 | 用于汽车的防滑设备 |
DE102019123233B3 (de) * | 2019-08-29 | 2021-02-25 | Knorr-Bremse Gesellschaft Mit Beschränkter Haftung | Vorrichtung und Verfahren zum Überwachen eines Sandungsvorgangs für eine Sandungsanlage für ein Schienenfahrzeug, Sandungsvorrichtung, Schienenfahrzeug und Gleisvorrichtung |
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CN1004062B (zh) | 1985-09-30 | 1989-05-03 | 三菱电机株式会社 | 铁路车辆的增粘着装置 |
DE4122032A1 (de) | 1991-02-15 | 1992-08-20 | Knorr Bremse Ag | Sandungsanlage fuer fahrzeuge, insbesondere schienenfahrzeuge |
DE19543928C2 (de) * | 1995-11-24 | 1997-09-04 | Daimler Benz Ag | Verfahren zur frühzeitigen Erkennung des Aufschwimmens eines Fahrzeugreifens auf nasser Fahrbahn |
WO2000071399A1 (en) | 1999-05-19 | 2000-11-30 | Aea Technology Plc | Wheel/rail adhesion enhancement |
US6893058B2 (en) * | 2002-10-18 | 2005-05-17 | General Electric Company | Railway train friction management and control system and method |
US7290807B2 (en) * | 2002-06-26 | 2007-11-06 | General Electric Company | Method and system of limiting the application of sand to a railroad rail |
US7594682B2 (en) * | 2002-06-26 | 2009-09-29 | General Electric Company | Apparatus and method for controlled application of railway friction modifying agent |
US7152888B2 (en) * | 2002-06-26 | 2006-12-26 | General Electric Company | System and method for improved detection of locomotive friction modifying system component health and functionality |
CN100478192C (zh) | 2003-06-26 | 2009-04-15 | 通用电气公司 | 铁路列车摩擦管理与控制系统及方法 |
DE102005001404C5 (de) | 2005-01-12 | 2016-06-09 | Kes Keschwari Electronic Systems Gmbh & Co. Kg | Verfahren und Einrichtung zum Aufbringen von Sand zwischen Rad und Schiene eines Schienenfahrzeugs |
DE102009041823A1 (de) * | 2009-09-18 | 2011-03-24 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Verfahren und Vorrichtung zur Überwachung des Fahrverhaltens eines Schienenfahrzeugs |
DE102011113071A1 (de) | 2011-09-09 | 2013-03-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Partikelstreuanlage für ein Schienenfahrzeug |
-
2013
- 2013-01-11 DE DE102013100250.1A patent/DE102013100250A1/de active Pending
- 2013-12-27 EP EP13817939.5A patent/EP2943386B1/de active Active
- 2013-12-27 CN CN201380070059.1A patent/CN104903175B/zh active Active
- 2013-12-27 US US14/760,173 patent/US9783208B2/en active Active
- 2013-12-27 WO PCT/EP2013/078033 patent/WO2014108316A1/de active Application Filing
Non-Patent Citations (1)
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Also Published As
Publication number | Publication date |
---|---|
CN104903175A (zh) | 2015-09-09 |
WO2014108316A1 (de) | 2014-07-17 |
US20150353101A1 (en) | 2015-12-10 |
CN104903175B (zh) | 2018-05-01 |
US9783208B2 (en) | 2017-10-10 |
DE102013100250A1 (de) | 2014-07-31 |
EP2943386B1 (de) | 2019-06-19 |
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