EP3814183A1 - Triebfahrzeug und fahrzeugverbund und verfahren zum betrieb eines triebfahrzeugs und fahrzeugverbunds - Google Patents
Triebfahrzeug und fahrzeugverbund und verfahren zum betrieb eines triebfahrzeugs und fahrzeugverbundsInfo
- Publication number
- EP3814183A1 EP3814183A1 EP19728980.4A EP19728980A EP3814183A1 EP 3814183 A1 EP3814183 A1 EP 3814183A1 EP 19728980 A EP19728980 A EP 19728980A EP 3814183 A1 EP3814183 A1 EP 3814183A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- traction
- holding
- locomotive
- force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- 230000003137 locomotive effect Effects 0.000 claims description 92
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B39/00—Increasing wheel adhesion
- B60B39/02—Vehicle fittings for scattering or dispensing material in front of its wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H9/00—Brakes characterised by or modified for their application to special railway systems or purposes
- B61H9/04—Brakes characterised by or modified for their application to special railway systems or purposes for preventing or controlling movement in one direction or, selectively, in either direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2009—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for braking
- B60L15/2018—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for braking for braking on a slope
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/122—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger for locking of reverse movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/20—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger specially for trailers, e.g. in case of uncoupling of or overrunning by trailer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1705—Braking or traction control means specially adapted for particular types of vehicles for rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1708—Braking or traction control means specially adapted for particular types of vehicles for lorries or tractor-trailer combinations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/24—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle inclination or change of direction, e.g. negotiating bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/005—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types in combination with rail sanding, door opening or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/14—Combinations of different types of brakes, e.g. brake blocks acting on wheel-rim combined with disc brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H9/00—Brakes characterised by or modified for their application to special railway systems or purposes
- B61H9/006—Brakes for locomotives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/06—Hill holder; Start aid systems on inclined road
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a method for operating a locomotive and a group of vehicles, in particular designed as a rail vehicle. Furthermore, the invention relates to such a locomotive and such a group of vehicles.
- Composite vehicles for example a rail-bound train or a truck train, are generally known.
- a locomotive is coupled together with a number of unpowered wagons, which are guided together on rails and form a rail-bound vehicle group.
- the vehicle group is made up of a tractor and a number of trailers, which can be used, for example, to transport large quantities of raw materials (road train).
- traction vehicles and vehicle groups are partly equipped with automatic speed control methods (cruise control) or with automated methods for precise braking.
- DE 2009025553 A 1 shows an operating device for a locomotive, a force-related operating mode and a speed-related operating mode being specified.
- the locomotive can be controlled in an adapted manner by means of a specific setting of an operating lever.
- An object of the present invention is therefore to provide a method for operating a locomotive and / or a group of vehicles, whereby the disadvantages of the prior art are avoided and in particular a high flexibility of the locomotive and / or the group of vehicles is made possible.
- such a locomotive has a first friction brake device for generating a first holding braking force, a traction device for generating a traction force and a control device for actuating at least the traction device.
- the control device can be designed to also control the first friction brake device.
- the first friction brake device acts via a first wheel opposite a rolling surface, so that when the first friction brake is activated, a first holding braking force acts between the rolling surface and the locomotive, or the first holding braking force is braked or held on the locomotive.
- the traction vehicle can have at least one drive wheel driven by the traction device and / or a first wheel which can be acted upon by the first friction brake device.
- the drive wheel supports a traction torque of the drive wheel with respect to the rolling surface and thus effects the traction force acting on the traction vehicle.
- the first wheel generates the first holding brake force in an analogous manner.
- Such a locomotive including a locomotive according to one or more of the embodiments of the locomotive described below, is designed to carry out the method according to claim 1 and / or embodiments of this method.
- friction braking devices, traction devices and / or control devices are designed in such a way that the individual steps of the method or embodiments thereof can be displayed in a targeted manner. For reasons of legibility and comprehensibility, the inventive method and embodiments thereof are discussed after the description of embodiments of the locomotive.
- the locomotive has an adhesion device.
- This is designed and provided in such a way that a tribological system can be manipulated between the drive wheel and the assigned rolling surface and / or between the first wheel and the assigned rolling surface.
- the coefficient of friction between the drive wheel and / or the first wheel and the rolling surface can be increased with the adhesion device.
- the adhesion device is designed as a sanding device.
- a sanding device When activated, a sanding device can insert sand between a wheel and a rolling surface.
- sand is blown in between the wheel tire and rail, the sand being at least partially crushed and increasing the static and sliding friction of the wheel tire-rail tribological system.
- the first friction brake device can be designed as, in particular in a rail vehicle, as block or disc brakes. It is also conceivable to design the friction brake device as a magnetic, drum, belt and / or block brake.
- the braking force acts between the brake pad and the brake disc.
- the tribological system between the wheel and the rolling surface is the tribological system of the actual friction brake, in particular between Brake pad or brake pad and brake disc or brake surface, is superior in terms of static and sliding friction. Consequently, a tensile and / or pushing force that exceeds the braking force and acts on the locomotive always leads to the friction brake slipping.
- the rolling contact between the wheel and the rolling surface is retained and does not change into a sliding contact.
- the first friction brake device is designed in such a way that increased holding braking force can be generated, the increased holding braking force being greater than the first holding braking force provided in normal operation.
- the components of the first friction brake are designed in such a way that they are also subjected to an increased braking pressure of 650 kPa, preferably 770 kPa, preferably 830 kPa.
- this results in an increased holding force of at most 210 kN, preferably 235 kN, at most preferably 254 kN.
- the locomotive can have a second friction brake device which can generate a second holding braking force acting on the locomotive.
- a second friction brake device can be designed similarly or identically to the first friction brake device, act on a second wheel or also on the first wheel of the traction vehicle, and in particular generate the same or similar values of braking forces (see above).
- first friction brake device also applies in particular to a possible embodiment of the second friction brake device.
- the second friction brake device has the effect that a second holding braking force can be provided in addition to the first holding braking force to act on the locomotive, in particular to brake the locomotive or to keep it at a standstill.
- the first holding braking force and the second holding braking force can represent values in accordance with the increased holding braking force described above.
- an adhesion coefficient of the locomotive is at least 16.5%, in particular at least 18.5%, preferably at least 20%, and particularly preferably at least 22% when stationary.
- the adhesion coefficient t is the quotient of maximum effective, from / the friction brake devices of the traction unit producible braking force, and retaining the braking force H ge one and the product of the total mass minebhus of the traction unit and the gravitational constant g.
- braking forces which are provided by alternative braking devices for example by electric brakes, eddy current brakes, magnetic brakes, brakes by other vehicles coupled to the traction vehicle, cannot be added to the maximum braking force that can be generated or holding braking force H total :
- the method for operating the locomotive or embodiments thereof has at least the following steps:
- the first friction brake device is actuated so that the first holding brake force is applied.
- the holding braking force has a braking effect on a moving locomotive and / or holding on a stationary locomotive. The standstill of the locomotive should be maintained.
- such a targeted operating state of the locomotive at a standstill is to be referred to as a holding operation.
- This is characterized by the fact that the locomotive should stand still and should only take this standstill temporarily. It is conceivable that - in the case of a rail vehicle - such a targeted stopping operation should be undertaken if the rail vehicle has to wait temporarily for a stop signal.
- a kinematic state of the locomotive is monitored so that a first undesired kinematic state can be detected.
- a kinematic state of the locomotive is, for example, a movement, speed and / or acceleration of the locomotive, the kinematic state in particular based on a distance traveled, a speed, a geographical change in location, an acceleration and / or a duration of the same can be determined. Additionally or alternatively, a kinematic state can also be determined if it is possible to infer an imminent movement, speed and / or acceleration of the traction vehicle in the case of existing force conditions.
- a kinematic state of the locomotive is undesirable if it is not provided at the appropriate moment.
- a kinematic state of a traction vehicle is undesirable if it is to wait at a red light signal, traffic light or signal, at a standstill, but contrary to this intention still moves, assumes a speed, there is acceleration and / or if such is imminent and / or is announced by third indicators, for example forces.
- the inventive method further comprises the step that the traction device is activated when the first undesirable kinematic state is detected.
- the traction device would be activated in such a way that a traction force counteracting the first undesirable kinematic state is generated and made available for braking to a standstill and / or for holding the traction vehicle at a standstill.
- traction force is understood to mean that this can be a force that can be built up on a stationary drive.
- traction force is also to be understood in the sense of the present patent application as “braking force”.
- braking force is a force that is built up against a torque acting on the drive from the outside.
- the traction force generated is designed so that it counteracts the undesired movement, the locomotive is correspondingly delayed and brought to a standstill.
- the traction device enters a drive torque into the drive wheel so that this in turn generates the traction force acting on the traction vehicle via the wheel rolling contact.
- the friction brake device in particular the first friction brake device
- the vehicle is also held at a standstill when the maximum holding brake force that can be applied is less than a pushing or pulling force acting on the locomotive.
- the traction device compensates for the deficit of the existing first friction brake or first holding brake force with respect to the undesirable thrust or tensile forces by providing the counteracting traction force.
- the locomotive performs an undesirable route crossing, undesirably picks up speed, in particular due to an undesired acceleration.
- the locomotive thus takes on a first undesirable kinematic state.
- This first undesirable kinematic state is detected by the control unit of the traction vehicle, optionally by means of suitable sensors. This triggers actuation of the traction device.
- the traction device builds up a traction moment and a traction force resulting therefrom, which acts counter to the downhill force and possibly other forces, and is additive to the first holding braking force with regard to the mode of action and / or direction of action.
- the amount of traction force is selected such that the traction vehicle comes to a standstill as quickly as possible and maintains it within a predefined route, predefined time and / or simply.
- Such a method has the advantage that the first friction brake device can have reduced dimensions. This is because ordinary braking and / or stopping situations of the locomotive, for example on a level route or moderate incline, can be mastered by the first friction braking device alone. Rarer braking and / or stopping situations with increased braking and / or holding force requirements can be dealt with safely by means of the interaction of the first friction braking device and the traction device. The reduced dimensions of the friction brake device thus made possible in turn leads to lower costs for the locomotive.
- the invention optionally also relates to a method for using a speed control of a traction device for controlling and keeping the speed at a standstill, in particular if a temporary stop function is to be displayed during the stop operation of the locomotive.
- a method for operating a traction vehicle during a stop operation is thus disclosed.
- a maximum value for the torque, power and / or speed of the traction device is set during the operation of the locomotive in the holding mode, the maximum value being less than a maximum torque, maximum power and / or speed of the traction device.
- the maximum value is less than 10%, preferably 8%, particularly preferably 6% of the maximum torque, the maximum power and / or speed.
- the maximum value can correspond to a certain speed level, for example the first speed level, of a speed controller of the locomotive.
- the control of the traction device for reaching and ensuring the standstill of the traction vehicle thus takes place within a certain torque, power and / or speed range of the traction device. This enables the method to be used in a way that conserves components and energy.
- the locomotive either has the first friction braking device designed to provide the holding braking force that is increased compared to the first holding braking force, and / or the second friction braking device to provide the additional second holding braking force.
- the second holding brake force acts in addition to the first holding brake force.
- the kinematic state of the traction vehicle is monitored in such a way that a second undesirable kinematic state can be detected.
- the second holding braking force and / or - depending on the design of the locomotive - the increased holding braking force is provided.
- the second kinematic state is to be determined by distance, speed, geographical location, acceleration, duration of the same and / or signs thereof.
- Such an indication can also be, for example, that an energy supply for the traction device cannot be guaranteed, and thus it is not possible to provide the counteracting traction force.
- the second undesirable kinematic state is larger than the first undesired kinematic state in terms of an absolute amount.
- the sanding device is activated. In particular, this happens at least in close proximity to the activation of the traction device. In particular, the traction device can be activated earlier.
- the sanding device is activated only when there are indications that an adhesive contact between a braking wheel or drive wheel and a rolling surface cannot be ensured, that is to say a slipping between the wheel and the rolling surface is to be expected.
- the ambient temperature, air humidity, the geographical location and / or a condition of the rolling surface or a running surface of a wheel can be taken into account.
- a vehicle network with at least one locomotive according to one, more or combinations thereof of the preceding embodiments, and at least one additional vehicle coupled to the locomotive is disclosed.
- the additional vehicle in the case of rail vehicles, for example, is designed as a wagon, is in particular driveless and has an additional braking device for generating an additional braking force.
- the vehicle network can be formed from a plurality of traction vehicles and a number of additional vehicles.
- a group of vehicles is referred to as a multiple unit in the field of rail transport, in which case locomotives and non-driven auxiliary vehicles are put together in a coordinated configuration.
- traction vehicles are, for example, the ICE of the Deutsche Bahn or TGV of the French railway. Freight trains with several pulling (double traction), pushing and / or pulling and pushing central locomotives can also be understood as a multiple unit.
- the vehicle group or versions thereof are configured and designed in such a way that a method described below for operating in accordance with one or more versions thereof or combinations thereof can be carried out.
- a first friction brake device of the traction vehicle is activated to provide a first holding braking force.
- this serves to brake the group of vehicles to a standstill and / or to keep the group of vehicles at a standstill.
- the vehicle network is on hold.
- a kinematic state of the vehicle group, the traction vehicle and / or the additional vehicle is monitored.
- the traction device of the traction vehicle is activated in such a way that an opposing traction force is provided for braking and holding the vehicle assembly at a standstill.
- the traction force counteracts a movement associated with the undesired kinematic state, or an expected movement, so that the vehicle group - if this has already started to move undesirably - is braked to a standstill again, or so that the vehicle group - if there is one unwanted movement emerges - is held at a standstill.
- the method for operating the vehicle group requires for the first time that the vehicle group is held at a standstill exclusively by braking devices, in particular friction braking devices, the traction vehicle and, as required, by the traction device in the holding mode or such a standstill is resumed as quickly as possible. It is therefore not necessary to activate the auxiliary brake of the auxiliary vehicle.
- This has the advantage, in particular in the case of a group of vehicles, that switching from holding operation to ferry operation is particularly rapid, and an energy expenditure associated therewith can be reduced.
- only the first friction brake device and, if appropriate, the traction device of the traction vehicle are actuated as required during operation of the vehicle network in the holding mode, that is to say when the vehicle is deliberately and temporarily stopped, in order thus to ensure the holding mode.
- the auxiliary braking device of the auxiliary vehicle is not active during the holding operation.
- the standstill of the auxiliary vehicle is thus ensured solely by the mechanical coupling to the traction vehicle and its braking devices.
- the kinematic state of the locomotive and / or the group of vehicles is determined at least on the basis of a first measured value.
- Such a measured value can be, for example, a distance traveled, a recorded speed, a geographical change in location, an effective acceleration, a duration of the same and / or also an indicator, for example measured forces or a force ratio. This also applies to further measurement values mentioned below.
- An existence of the first undesired kinematic state is determined in that the first measured value exceeds a first limit value associated with the first undesired kinematic state. If the first measured value is, for example, a distance traveled, the first limit value is a specific value of this distance traveled. If now the traction vehicle and / or the vehicle network During the holding operation, an undesirable route covers a distance which is greater than the limit value of the distance, the control system determines an undesirable kinematic state and activates the traction device in order to provide a correspondingly counteracting traction force.
- the limit value for a distance covered is not more than 1.5 m, preferably not more than 1.2 m, particularly preferably not more than 1 m.
- the control is designed in such a way that the locomotive and / or the group of vehicles is returned to an initial position or is held in the current position.
- the provision of the traction force and a corresponding regulation thus take place until the locomotive or the vehicle network is again in the starting position or is in the current position and or is the starting position of the original stopping operation.
- the specific embodiment of the method has the effect that the locomotive and / or the vehicle network is moved back to the original location. The regulation would remain active there to ensure a standstill.
- control is designed such that the traction device remains active after detection of the undesirable kinematic state until the stopping operation of the locomotive and / or the group of vehicles is ended and the locomotive and / or the group of vehicles in another operating state for Example is transferred to a ferry operation or permanent stop operation.
- an exemplary embodiment is disclosed, wherein monitoring of a second measured value is provided in order to be able to determine the kinematic state of the locomotive.
- the second measured value can be selected equal to the first measured value in terms of physical or physical shape.
- a second limit value is defined for the second measured value, with an exceeding of the second limit value by the second measured value leads to the second undesired kinematic state being determined.
- the second measurement value can be an elapsed time, the second limit value representing a specific time period.
- the second measured value can be measured from an initial activation of the traction device for holding the locomotive / vehicle assembly at a standstill, an elapse of a certain period of time resulting in the second friction braking device being activated or the increased holding braking force being provided. Such activation can in particular be carried out automatically.
- Such an embodiment of the method has the advantage that additional measures can be taken in the case of a longer holding period, for example to protect the traction device against overloading or to save energy.
- the auxiliary braking device of the auxiliary vehicle is activated when a third undesirable kinematic state is detected, in particular when a third measured value exceeds a third limit value, in particular for a certain duration.
- the third limit can be at least 8 m, preferably 10 m, particularly preferably 12 m.
- the additional braking device is said to be activated when the group of vehicles moves undesirably in accordance with the third limit value.
- the additional braking device can also be triggered if the traction device is active for longer than a certain time, preferably at least 30 minutes, particularly preferably at least 40 minutes.
- the above embodiment has the consequence that the safety during the operation of the vehicle group is increased by providing redundancies. Is, for example, braking to a standstill or holding at a standstill If at least one of the aforementioned method measures is not possible, and / or if a certain time elapses, the vehicle network is switched from the stop mode to a permanent stop mode, in that at least the first friction braking device of the traction vehicle and the auxiliary braking device of the auxiliary vehicle are now activated.
- the locomotive and / or the group of vehicles are brought to a standstill by braking, in particular from the ferry mode to the stop mode.
- the control device is preset, in particular automatically, in such a way that the traction device provides the counteracting traction force in the direction (activation direction) of the respective increase.
- the method or embodiments thereof are used in order to enable a travel function on an ascending route.
- the stop mode is used to convert from permanent stop mode to ferry mode.
- a group of vehicles could be kept at a standstill in this way, at the same time preparing to start by releasing the auxiliary braking device in the auxiliary vehicles.
- FIG. 1 shows an exemplary vehicle group during the stop operation on a rising surface in a first operating state
- FIG. 2 shows the vehicle assembly according to FIG. 1 in a second
- FIG. 3 shows an exemplary vehicle network during the holding operation on a sloping surface in a third operating state
- FIG. 4 shows the vehicle assembly according to FIG. 1 in a fourth
- FIG. 5 shows the vehicle assembly according to FIG. 1 in a permanent stop mode
- FIG. 6 illustrates a flow of a
- the vehicle group 20 shows an exemplary vehicle group 20, which is composed of a locomotive 1 and two additional vehicles 10 coupled to it.
- the vehicle group 20 is in the stop mode on a rolling surface 13 that increases with respect to the direction of travel.
- the stop mode means that the vehicle group should only be at a standstill for a relatively short period of time, and transfer to a ferry mode by starting should take place relatively quickly.
- the holding operation is therefore always of a temporary nature.
- the vehicle network according to FIG. 1 is in stop mode in front of a red stop signal.
- the locomotive 1 is supported by a first wheel 6, a second wheel 8, a drive wheel 4 and another wheel - or by means of corresponding wheel pairs - on the rolling surface 13, for example designed as a rail.
- the above-mentioned devices can also act together on one or more wheels.
- a first friction brake device 5 of the traction vehicle 1 is arranged in such a way that it can act on the first wheel 6, and consequently a first holding braking force HI can be provided.
- the traction vehicle 1 further comprises a second friction brake device 7, which can act on the second wheel 8 in order to be able to generate a second holding brake force H2.
- the traction vehicle 1 is equipped with a traction device 3, with which a traction torque can be introduced into the drive wheel 4.
- the traction device 3 depending on the activation direction 21, can generate a traction force T acting on the traction vehicle 1. It is also conceivable that further wheels are driven by the traction device 3.
- the additional vehicles 10, in the case of rail vehicles designed as wagons, are mounted on the rolling surface 13 so that they can be rolled on wheels 12 and can be accelerated by means of the traction vehicle 1 in the context of the vehicle group 20.
- the auxiliary vehicles 10 have an auxiliary braking device 11, with which an auxiliary braking force Z can be generated via the wheels 12.
- the auxiliary vehicles 10 can be equipped without their own drive.
- the locomotive 1 can have a control device 2 which is connected to the first friction brake device 5, the second friction brake device 7, the traction device 3 and the additional brake devices 11 for transmitting control signals.
- the vehicle network is on an increasing rolling surface 13 in the holding mode.
- the first friction brake device 5 is activated, as a result of which a first holding braking force H1 acts on the vehicle assembly 20 via the wheel 6.
- the wheel 6 of the first friction brake device 5 is filled in black in FIG. 1.
- step 102 an activation direction 21 is set, in particular by a driver of the vehicle group 20 or automatically.
- the activation direction 21 in the direction of travel, counter to a total downhill slope force FA, causes the control device 2 to control the traction device 3 in such a way that a traction force T would be provided in the activation direction 21 if required.
- the downhill driving force FA does not exceed the first holding braking force H1 provided, and there is a balance of forces. Consequently, the vehicle group 20 is at a standstill, which is maintained.
- a first measured value Ml consequently does not exceed a first limit value G1, which in turn is assigned to a first undesired kinematic state 103. It is not necessary to provide a traction torque T since no first undesired kinematic state 103 is detected.
- the checking of whether the first limit value G1 has been exceeded is continued until another operating mode 108, for example a permanent stop mode, is selected in step 107.
- another operating mode 108 for example a permanent stop mode
- the auxiliary vehicles 10 are heavily loaded, so that they cause a high downhill force FA.
- the sum of the downhill slope force FA exceeds the first holding brake force H1 provided by the first friction brake device 5. Accordingly, the first friction brake device 5 would slip and the vehicle assembly 20 would move against the activation direction 21, that is to say in the downward direction, unless the superior slope downforce force FA would be compensated by providing a traction force T and a balance of forces would be established.
- the first undesirable kinematic state 103 is determined by the first measured value Ml exceeding the first limit value Gl.
- the traction device 3 is activated in step 104, so that a traction force T is provided in the direction of the activation direction 21 via the drive wheel 4 (black), the traction force T not exceeding a maximum value Tmax.
- a control circuit is run through, for example to regulate a speed of the vehicle assembly 20 to zero. This control remains active until another operating mode 108 is selected.
- FIGS. 2 and 3 wherein in FIG. 2 the traction force T acts in the direction of travel of the vehicle assembly 20 and in the direction of slope of the rolling surface 13.
- the activation direction 21 was selected in the opposite direction to the direction of travel and in the direction of incline of the rolling surface 13, so that the traction force T provided for holding the vehicle assembly 20 at a standstill is correspondingly provided.
- This second measured value M2 can be, for example, an elapsed time, in particular how long a traction force T has already been provided according to step 104 in order to prevent the first undesired kinematic state 103 from being present.
- the second measured value M2 can also be a distance, a speed, an acceleration and / or indicators indicating this.
- Exceeding the second limit value G2 means that in a step 109 the second friction brake device 7 acts on the second wheel 8 and a second holding brake force H2 is generated.
- the standstill of the vehicle assembly 20 is thus achieved in that the first holding braking force H1 and the second holding braking force H2 act in the same direction and, in summary, compensate for the increased slope downforce FA. Consequently, the vehicle assembly 20 is at a standstill without the drive device 3 having to provide a traction force T.
- both the second holding brake force H2 according to FIG. 4 and a traction force T according to FIG. 2 are provided, so that in cooperation they keep the vehicle assembly 20 at a standstill.
- a step 106 it is further checked whether a third measured value M3 exceeds a third limit value G3. For example, if the downhill driving force FA is so great that the first braking force H1 of the first friction braking device 5 is not sufficient to keep the vehicle assembly 20 at a standstill, and if, for example, the third measured value M3 shows that the driving device 3 is not operational, then in a step 110 the auxiliary braking device 11 is activated in the auxiliary vehicles 10. The result The additional braking force Z caused, together with the first holding braking force H1, compensates for the downhill driving force FA, so that the vehicle group 20 is at a standstill.
- This state of the vehicle group 20 which is also shown in FIG. 5, represents an operating state which differs from the stop mode, namely the permanent stop mode. Before the vehicle group 20 can switch back to a ferry mode, all additional braking devices 11 must be deactivated.
- the method and / or embodiments thereof for starting a vehicle group 20 on an ascending rolling surface 13, or on an ascending route.
- the motor vehicle 1 and / or the vehicle group 20 would initially be in permanent stop mode with activated additional brakes 11.
- the stop operation would be selected as an intermediate operation, the additional brakes 11 of the additional vehicles 10 already being able to be released in order to enable a quick start.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Regulating Braking Force (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102018115613.8A DE102018115613A1 (de) | 2018-06-28 | 2018-06-28 | Triebfahrzeug und Fahrzeugverbund und Verfahren zum Betrieb eines Triebfahrzeugs und Fahrzeugverbunds |
PCT/EP2019/064660 WO2020001947A1 (de) | 2018-06-28 | 2019-06-05 | Triebfahrzeug und fahrzeugverbund und verfahren zum betrieb eines triebfahrzeugs und fahrzeugverbunds |
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EP3814183A1 true EP3814183A1 (de) | 2021-05-05 |
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EP19728980.4A Pending EP3814183A1 (de) | 2018-06-28 | 2019-06-05 | Triebfahrzeug und fahrzeugverbund und verfahren zum betrieb eines triebfahrzeugs und fahrzeugverbunds |
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US (1) | US12012131B2 (de) |
EP (1) | EP3814183A1 (de) |
CN (1) | CN112334367A (de) |
DE (1) | DE102018115613A1 (de) |
RU (1) | RU2755371C1 (de) |
WO (1) | WO2020001947A1 (de) |
ZA (1) | ZA202100169B (de) |
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CN111216700B (zh) * | 2020-01-08 | 2021-03-26 | 中车株洲电力机车有限公司 | 一种齿轨列车的制动控制方法及设备 |
CN111806510B (zh) * | 2020-07-24 | 2021-09-10 | 中车青岛四方机车车辆股份有限公司 | 轨道车辆制动控制方法和系统、以及轨道车辆 |
CN113997793B (zh) * | 2021-11-30 | 2023-09-01 | 中国铁道科学研究院集团有限公司 | 一种非黏着制动参与下的列车制动力分配方法及装置 |
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FR2720993B1 (fr) | 1994-06-14 | 1996-07-19 | Gec Alsthom Transport Sa | Dispositif de commande de la traction ou du freinage d'un véhicule, notamment ferroviaire et son procédé de mise en Óoeuvre. |
DE10063063A1 (de) * | 2000-12-18 | 2002-06-20 | Lucas Varity Gmbh | Verfahren und System zur Steuerung einer im Stillstand eines Kraftfahrzeuges aktivierbaren Bremsausrüstung |
US7290807B2 (en) | 2002-06-26 | 2007-11-06 | General Electric Company | Method and system of limiting the application of sand to a railroad rail |
US7285926B2 (en) * | 2005-06-30 | 2007-10-23 | General Electric Company | System and method for locomotive adhesion control |
DE102006034125B3 (de) | 2006-07-20 | 2008-02-21 | Bombardier Transportation Gmbh | Steuereinrichtung und Verfahren zum Steuern eines Schienenfahrzeuges |
US9037323B2 (en) | 2006-12-01 | 2015-05-19 | General Electric Company | Method and apparatus for limiting in-train forces of a railroad train |
JP4814043B2 (ja) * | 2006-10-04 | 2011-11-09 | 富士重工業株式会社 | 電動パーキングブレーキ制御装置 |
DE102009005624A1 (de) * | 2009-01-22 | 2010-08-05 | Siemens Aktiengesellschaft | Verfahren zur Steuerung der Traktionskraft eines Antriebes |
US8500214B2 (en) * | 2009-02-05 | 2013-08-06 | General Electric Company | System and method for control of distributed power rail vehicle |
DE102009025553A1 (de) | 2009-06-16 | 2010-12-23 | Siemens Aktiengesellschaft | Bedieneinrichtung und Verfahren zu deren Betrieb |
US8380417B2 (en) * | 2009-10-02 | 2013-02-19 | Robert Bosch Gmbh | Traction control system and method |
CN103415425B (zh) * | 2010-12-31 | 2017-02-15 | 通用电气公司 | 用于控制车辆的系统和方法 |
US9718610B2 (en) | 2012-07-23 | 2017-08-01 | Oren Technologies, Llc | Proppant discharge system having a container and the process for providing proppant to a well site |
CN105452049B (zh) | 2013-08-06 | 2018-01-16 | 纳博特斯克有限公司 | 铁道车辆用制动系统、铁道车辆用制动控制装置以及铁道车辆用制动控制方法 |
DE102013218401A1 (de) * | 2013-09-13 | 2015-03-19 | Robert Bosch Gmbh | Fahrassistenzsystem mit gesteigerter Ausfallsicherheit und Verfügbarkeit |
DE102013219743A1 (de) * | 2013-09-30 | 2015-04-02 | Siemens Aktiengesellschaft | Verfahren zum Steuern eines Anfahrvorgangs |
DE102014100069A1 (de) | 2014-01-07 | 2015-07-09 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Verfahren zum Steuern einer Bremseinrichtung einer Zugfahrzeug-Anhängerkombination und Bremseinrichtung gesteuert nach dem Verfahren |
DE102014219121A1 (de) * | 2014-09-23 | 2016-03-24 | Bombardier Transportation Gmbh | Verfahren zur Steuerung einer Bremsvorrichtung und Bremsvorrichtung |
US9845084B2 (en) * | 2016-05-19 | 2017-12-19 | General Electric Company | System and method for traction control |
CN107521373B (zh) * | 2017-07-18 | 2020-06-02 | 宝沃汽车(中国)有限公司 | 防止车辆溜坡的控制方法、装置和电动汽车 |
CN107914689B (zh) * | 2017-11-08 | 2020-04-21 | 湖北航天技术研究院特种车辆技术中心 | 一种驻车制动系统 |
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2018
- 2018-06-28 DE DE102018115613.8A patent/DE102018115613A1/de active Pending
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2019
- 2019-06-05 CN CN201980043583.7A patent/CN112334367A/zh active Pending
- 2019-06-05 EP EP19728980.4A patent/EP3814183A1/de active Pending
- 2019-06-05 WO PCT/EP2019/064660 patent/WO2020001947A1/de active Application Filing
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US20210269070A1 (en) | 2021-09-02 |
WO2020001947A1 (de) | 2020-01-02 |
DE102018115613A1 (de) | 2020-01-02 |
CN112334367A (zh) | 2021-02-05 |
RU2755371C1 (ru) | 2021-09-15 |
US12012131B2 (en) | 2024-06-18 |
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