专利摘要:
In order to be able to superimpose and compare measurement results from test runs much more effectively, faster and better, a virtual path (A * -B *) is read from a data memory (4), the virtual path (A * -B *) being a sequence of geographic coordinates (P) and related to the geo-coordinates (P) related data (D) of the vehicle (1 *), a driver and / or an environment of the vehicle (1 *) is stored and for carrying out the test run for the virtual vehicle (1 * ), wherein measured data (M) of the virtual vehicle (1 *) are recorded during the test run and stored relative to the geographic coordinates (P).
公开号:AT512717A2
申请号:T50472/2013
申请日:2013-07-26
公开日:2013-10-15
发明作者:
申请人:Avl List Gmbh;
IPC主号:
专利说明:

{PHrited: 29-07 ^ 2013
[102013/50472 AV-3554 AT
Method for carrying out a test run on a test bench
The subject invention relates to a method for carrying out a test run for a virtual vehicle on a test bench.
Test runs for test bench tests of vehicles or components thereof, e.g. Arv 5 powertrain, combustion engine, transmission, etc., are nowadays partly determined from real test drives. In this case, a real test track is traveled with a real vehicle and thereby measurement data, but also the environment of the road and the vehicle, such as. Traffic, etc., and certain events, such as Street signs, traffic lights, crosswalks, etc., recorded. The road profile (inclination, inclination, io curves, etc.), the vehicle surface (geometry, material properties, etc.) and also the dynamic data of the vehicle (speed, acceleration, consumption, combustion engine combustion indexing data, Emissions, etc.) and the environment (traffic, crosswind, temperature, pressure, humidity, etc.). Equally, the driver behavior, e.g. the acceleration and braking behavior can be summarized. From the acquired data, a simulation is created with which the test stand is controlled in order to virtually test the detected or derived test track on the test stand. As a rule, a one-dimensional profile of the form v = v (x) or v = v (t), with v = speed, x = path or arc length of the road, t = time, is created, which characterizes the traveled route and which is then traced on the test bench. For example, 20, a chassis dynamometer is controlled so that the vehicle arranged thereon leaves the detected test track. The test track can also be visualized graphically by a simulation using graphic objects. Such a system is e.g. from EP 2 246 686 A1.
At the same time, the test drives can also record videos or audio data of the crazy 25 tracks, the driver's activities or the drive and its surroundings. WO 2009/083944 A1 describes e.g. the acquisition of measurement data from sensors which are arranged on a vehicle, whereby videos of the traveled route are also recorded and stored via a camera. The further use of this video data will not be discussed. In the known state of the art, the acquisition, administration and display of measured data acquired during a test drive take place over a common time axis (ie time-synchronous), a common one-dimensional path axis (ie away synchronous) or via a crank angle signal (ie angle-synchronous). However, this type of processing has some problems. On the one hand, measured data from different test runs can hardly be compared with each other, even if they are partly based on the same test section (in sections).
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iPrinted: 29-07-2Ö13 SE014.1: 102013/50472
AV-3554 AT, because it is almost impossible to find overlaps in time-synchronous (t), asynchronous (x) or angle synchronously managed data. On the other hand, a test run that was derived from a real test drive is never completely identical to the real test drive, for example, because in the virtual test drive the driver intersects the curves differently. 5 However, this inevitably results in a temporal or spatial divergence in the measurement data of real or other virtual test drives and in the test run measurement data during the test run. This is increasingly noticeable when driving the same route with different driver profiles (driver characteristics). Even such test runs are not directly comparable. This makes considerable difficulties in the construction of comparable test runs and in the comparison of the measured data.
It is therefore an object of the present invention to provide a method with which it is possible to build up measurement results from test runs much more effectively, faster and better, and to "superimpose" and compare the measurement results in order to arrive at meaningful results of a test run. This object is achieved according to the invention by reading in a virtual route from a data memory, wherein the virtual route is stored as a sequence of geo-coordinates and associated data relating to the geo-coordinate of the vehicle, a driver and / or an environment of the vehicle, and used to perform the test run for the virtual vehicle, during which test data 20 of the virtual vehicle are recorded and stored in relation to the geo-coordinates. This solves the hitherto customary one-dimensional path-time profile with all the described disadvantages, in that all data are recorded and stored relative to geographic coordinates. The virtual test track is now in the form of three-dimensional trajectory in the form of geo-coordinates with data stored thereon, which are used to carry out the test run, which makes it possible to retrieve and compare data and / or measurement data from the test run directly via the geocoordinate.
The virtual route for the test run can preferably be created by driving down a real route with a real vehicle by detecting the geo-coordinates and data of the vehicle, the driver and / or the environment of the vehicle while driving along the real route and as temporal sequence related to the geocoordinates. This allows in particular the automated creation of the virtual route as a temporal sequence of geographic coordinates, the virtual route being very close to the real route.
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AV-3554 AT
Alternatively, the virtual route can also be detected from digital 3D map data, wherein data of the vehicle, the driver and / or the environment of the vehicle can be added.
Especially advantageous is the test run - in particular the relevant variables for the actuators of the test bench, such as. Air pressure, humidity, road grade and curvature, etc. - traced as a sequence of stored geocoordinates. Thus, the test run can be generated directly from the virtual route by the stored geo-coordinates are approached in succession. Further data necessary for the test run can simply be taken from geo-coordinates taken from the data file of the virtual route. For this purpose it can be provided that a speed stored in relation to the geographic coordinates or a stored time is used to control the virtual vehicle in the test run.
To carry out the test run, the virtual vehicle can be controlled by a virtual driver on the basis of a driver model. This makes it possible, based on different driver models, to travel the same virtual route in different ways and to generate different measurement data, which are then also easily comparable via the geo-coordinates. Alternatively, the virtual vehicle for carrying out the test run can also be controlled by a real driver.
It is particularly advantageous if, in addition, video data of the test track are recorded in the form of a sequence of video frames, and during the test run on the test bench that video frame is determined and displayed which corresponds to the respective geographic coordinate. In this way it is easy to record real-time videos on the test bench. Real videos are not yet used on the test bench to visualize a test run. This is partly because video data is very memory-intensive, video data is expensive to manage and process (editing, concatenation, timeline, etc.) and the synchronization of the video data with the test run on the test bench is difficult. However, on the test bench, one wishes for a more realistic visualization of the test runs, which is now easily possible on the basis of the real videos and the administration, control and synchronization of the video players via geographic coordinates.
In the same way, audio data of the test track can also be recorded and stored in relation to the geo-coordinate and, during the test run on the test bench, those audio data corresponding to the respective geo-coordinate can be reproduced. -3-
AV-3554 AT
If data or measurement data for the respective geo-coordinate are retrieved and displayed during the test run, it is easy to make a direct online comparison with already existing data or measured data during the execution of the test run.
Likewise, in the postprocessing of the test run, data or measurement data can be sought, identified and compared via their Geo-5 coordinate, which greatly simplifies the post-processing of the test run.
The subject invention will be explained in more detail below with reference to Figures 1 and 2, which show by way of example, schematically and not by way of limitation advantageous embodiments of the invention. 10 shows the detection of a virtual route and
A test stand for carrying out a test run with a virtual vehicle.
As indicated in FIG. 1, a vehicle 1 in a possible embodiment of the invention in reality travels a certain distance A-B. Sensors 2 are arranged on the vehicle 1, at least one known device for determining the current time (or 15 of another monotonically increasing size) and the current geographical position, e.g. Global Positioning System (GPS) or Galileo and at least one other sensor for detecting a parameter of the vehicle (speed, acceleration, fuel consumption, combustion engine combustion indexing data, emissions, 3D vehicle orientation in space, etc.), the driver's (acceleration - or Bremsver-hold 20, shifting, overtaking, etc.) or the environment (video, noise, traffic, crosswind, temperature, pressure, humidity, road conditions, etc.) is provided. Such sensors 2 are well known and available in many different versions and it is therefore not discussed here in detail. It is also conceivable that during the journey further events, such as e.g. a street sign 3, a traffic light, cross traffic, 25 other road users, etc., are detected. The data D thus acquired during the drive of the vehicle 1 are stored in a data memory 4 in relation to the geographical position. A thus detected, now virtual distance A * -B *, or the data file 6 generated therefrom, can be subsequently processed, e.g. to add or change data D, such as road conditions (ice, potholes, road width, ruts, etc), traffic signs, amps, etc., or to remove unnecessary data D.
Due to unavoidable measurement inaccuracies or possible post-processing, the detected distance A * -B * will not correspond exactly to the real distance A-B, which is why we speak here of a virtual distance A * -B *, which is marked with. -4- iPiinted: 29-07-2013 ^ 0141 [102013/50472
AV-3554 AT
As a further consequence, a geographical position is also referred to simply as geographic coordinate P. A geographic coordinate P is in this sense an unambiguous indication of any position on the earth, e.g. in the form of longitude, latitude and altitude in GPS. 5 In an alternative embodiment, a real distance AB in the form of geographic coordinates P but also from available digital 3D maps extracted and from a virtual route A * -B * are detected, the other variables, such as time and parameters of the vehicle or the Environment, either also from 3D map data can be removed (such as street signs) or added later. 1 o The geo-coordinate P is e.g. detected according to a predetermined time grid, z. B. every half second, in the form of the longitude LG, the latitude BG and the height H. For this purpose, each additional recorded data are stored or added, such. the instantaneous velocity v, the air pressure p, the oil temperature Töi, the ambient temperature Tu or any traffic signs S. Basically any data of the vehicle 15 1 of the driver and / or the environment can be stored here, which can not all be reproduced here. The decisive factor here is that the additional data are all also recorded and stored in relation to a geographic coordinate P.
In addition, the travel of the vehicle 1 can be recorded as video V. Not only can the environment be recorded, but e.g. also components on the vehicle 1, 20 such. the suspension or the brakes. In the data memory 4, a reference F to the recorded video V can be stored for each geographic coordinate P, e.g. in the form of the video frame number fpi or the video time to the respective geographic coordinate P. The recorded video V is thereby stored in a video memory 5. This is indicated in FIG. 1 for the geocoordinate P /. In the case of digital maps derived from digital maps A * -B *, video V geocoordinates P can also be recorded and stored. For this one can load and save available videos V to the distance A-B or parts of it. For example, For example, a route could be traversed in Google Earth® and the generated video file used as video for the virtual route A * -B *. In this way, geospatial data P related data files of various routes and under various conditions, such as, different seasons, different weather conditions, different drivers, different traffic, etc., can be generated and stored, as indicated in Figure 1. These data files 6 generated in this way can then be called up online (also in real time) or offline.
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AV-3554 AT
In this case, it is also possible to generate new routes, and thus new data files 6, from a plurality of data files 6 for different routes, e.g. by joining two routes at matching geographical locations. Likewise, a route can also be shortened by cutting off a certain part. This is preferably done as part of an offline data preparation.
Such a data file 6 relating to geographic coordinates P of a virtual line A * -B * can now be displayed on a test bench 20, e.g. a rolling road test bench for a vehicle, a powertrain test bench, or an engine dynamometer, during a test run for a virtual vehicle 1 * or a component (powertrain, internal combustion engine, transmission, etc.) thereof are used in a variety of ways, as with reference to FIG is explained in more detail. It should be noted that test bench 20 is understood to mean both systems in which the test object 21 (the unit to be tested), e.g. Vehicle, powertrain, battery, internal combustion engine, etc., is real on a test bench and read is operated, but also those where the specimen 21 itself is also not available in real terms and is simulated by means of suitable simulation models 27.
In the first place, such a recorded or prepared test drive with a vehicle 1, ie a virtual route A * -B *, is used to control a test run on a test stand 20 for a virtual vehicle 1 *, as with reference to FIGS Fig.2 is explained in more detail.
Virtual vehicle Γ because the vehicle for the test run partially, or completely, simulated and partially real (in the form of the specimen 21) is constructed. The virtual vehicle 1 * does not have to match the vehicle 1 with which the real route A-B was traveled. The virtual vehicle 1 * consists of various components, such as battery, combustion engine, electric motor, transmission, chassis, tires, steering system, brakes, etc., which are determined by means of suitable simulation models 27, e.g. be simulated in the test bench control unit 25, or may be present on the test bench 20 as a test object 21 real. For example, the battery may actually be present as a DUT 21 and then one speaks of Battery-in-the-Loop (generally hardware-in-the-loop). The test run is applied to the virtual vehicle 1 *, consisting of virtual and possibly real components.
Under test run is meant the virtual vehicle 1 *. with real or virtual specimen 21, on a test bench 20, e.g. a roller dynamometer, a powertrain tester or an engine test, to subject a time sequence of different driving conditions and thereby certain desired variables of the virtual vehicle 1 * (or the device under test 21) to capture and evaluate as needed. This is usually a Belas-JPiinted: 29-07-2013 IE014.1 [10 2013/50472
AV-3554 AT processing machine 22 provided to different loading conditions, e.g. Slopes, acceleration, electrical power, electrical power, etc., to simulate the DUT 21 and the DUT 21 to burden. Of course, if the test object 21 itself only exists virtually, the loading machine 22 can also be omitted or likewise simulated. 5 Also, conditioning systems 23 may be provided on the test bench 20 to provide certain media, e.g. oil, water, air, etc., for a test run to condition. Also, climate control systems 24 may be provided on the test rig 20 to provide the test stand 20 with certain environmental conditions, e.g. Temperature, pressure, weather, etc., to simulate. The test run traces the acquired virtual route A * -B *. For this purpose, a test stand control unit 10 is provided which controls all components of the test stand 20 according to the test run.
The test bed control unit 25 receives the data file 6 for a virtual route A * -B in which the test run based on geo-coordinates P, that is stored in relation to a geographic coordinate, and it can in real time a setpoint specification for the Komis components of the test bench 20 generate. The position data, such as longitude LG, latitude BG and altitude H, as well as the dynamic data of the vehicle 1, such as speed, acceleration, inclination, are in setpoint specifications for the test piece 21 and the loading machine (s) 22, or for others needed actuators on the test bench 20, converted. For this purpose, e.g. the velocity v of the virtual vehicle 1 * stored in the data file 6 of the virtual route A + -B * along the virtual route A * -B * over the time axis are used to control the device under test 21. The speed v can also specify the time that must elapse between two geographic coordinates P. Alternatively, the stored time along with the distance between two geographic coordinates P may be used to calculate a speed. Stored data like 3D
Orientation of the vehicle 1, topography of the route (gradients, gradients, slopes) may be used to control the loading machine 22 or to predetermine a load condition for the device under test 21. For the test run is then in the virtual vehicle 1 * still a virtual or real driver "set1. In the case of a real driver, the driver controls the virtual vehicle 1 * according to the specifications (topography, road signs, speed limits, traffic lights, events, etc.) of the virtual route A * -B * in the data file 6.
In the case of a virtual driver, an implemented driver model ensures that the specifications in the data file 6 are implemented. The driver model can be derived from a course and
AV-3554 AT speed planning, e.g. how to set how corners are driven, how to accelerate / decelerate, how to respond to traffic on route A * -B *, how to respond to events (eg, bursting tires, ice on the road, moose on the road, etc. ) etc., and from a vehicle control, eg to operate throttle, brake, clutch, gear, handbrake, steering wheel, ignition key, etc. The driver model can be in its driving characteristics, such as defensive, aggressive, normal, economical, parameterizable. In this case, according to the driver model and the virtual route A * -B *, the virtual driver ensures the implementation of the routing and speeds prescribed for the virtual vehicle 1 *, e.g. by pressing the accelerator pedal or brake pedal, by upshifting or downshifting the gearbox, by steering, etc.
In this way, the virtual route A * -B * with the virtual vehicle 1 * can be traveled on the test bench 20 in real time. The route is no longer present as a one-dimensional path-time diagram as in the known state of the art, but as a three-dimensional trajectory in the form of geographic coordinates P with stored data D.
In the data file 6 stored data D of the vehicle environment, such as ambient temperature, pressure, weather, etc., can be the climate system 24 passed as Soilwertvorgabe. In the data file 6 stored data D, which reflect the performance of the vehicle, such as oil pressure, oil temperature, water temperature, etc., can be a conditioning system 23 are specified as setpoint specifications.
Singularities in the virtual path A * -B *, e.g. a bridge crossing, an intersection or a highway entrance or exit, can be solved by suitable processing logics, e.g. by considering the height data or by taking into account the direction of movement of the virtual vehicle 1 *, which can be determined from the geo-coordinates P, or stored directly in the data file 6.
In order to reduce the inertia of certain components of the test bench 20, e.g. an air conditioning system 24 or a conditioning system 23, it is also conceivable that the test bench control unit 25 in the data file 6 temporally, e.g. 10 seconds or 100m, looks ahead to prompt any necessary setpoint changes of these components in a kind of feedforward in a timely manner. During the test run, measured data M of the virtual vehicle 1 *, such as the one shown in FIG. Indexing data of the combustion of an internal combustion engine, consumption values, emission values, etc., will also be stored again in a data memory 4 relative to the respective geographic coordinate P. For acquiring measurement data M, it is possible to connect to real components of the virtual vehicle, e.g. on the test piece 21, corresponding measuring sensors 28 -8- iPririted · 29-07-2013 £ 014,1 [10 2013/50472
AV-3554 AT be provided, or calculated variables from a simulation model 27 of a virtual vehicle component can be used as measured data M. The storage can take place in the data file 6, or in a separate measured data file 7. About the Geokoordina-te P data D in the data file 6 and measurement data M are uniquely assignable. Measurement data M of different test runs can also be directly compared via the geo-coordinate P.
Of course, any variations on the test stand 20 are also conceivable. For example, For example, a recorded test drive (virtual route A * -B *) on the test bench 20 could be virtually retraced with a different or multiple driver (s) with different driving behavior, or another weather could be simulated. Likewise, the recorded test drive on the test bench 20 could be traced in sections or entirely at a different speed of the vehicle 1 virtually. Also, the operating conditions of the vehicle could be deliberately changed to test certain situations, e.g. the state of charge of the traction battery of a hybrid vehicle. These changes can be generated by adaptation of the data file 6. However, these variations are also possible in real time, e.g. by a test stand driver engaging the test run via an I / O interface 26, e.g. by manually accelerating or changing certain parameters.
The stored Videoftle V can for example be used to at least partially record the video 20 of the real ride, ie the distance A-B, to a test run based on a traveled route A-B and display it on a screen.
For this purpose, the playback of the video V via the stored video reference F is synchronized with the respective geographic coordinate P. This makes it possible for a geo-coordinate P to always display the appropriate video frame fP, ie the video frame fP closest to the respective current geographic coordinate P of the virtual vehicle 1 *, no matter how and 25 in which sequence the virtual route A. * -B * is traced virtually. The synchronization of the video V with the test run can thus be done very easily via the geographic coordinate P. Between two stored geographic positions, the video just keeps going, e.g. by interpolating between two geographic coordinates P based on the stored times or velocities. Alternatively, a video controller could also be implemented that regulates the video playback speed between two geographic coordinates P. The video frames lying between two geographic coordinates P are therefore timed correctly and synchronized with the geographic coordinate P played. If a tester driver for example Manually gas, with which the virtual vehicle 1 * moves faster through the virtual world, in sync with the video V is played faster. No matter how the test run is performed, e.g. faster, slower, with stops, etc., the synchronization of the geo-coordinates P always shows the correct position of the video V.
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AV-3554 AT
If a plurality of videos V are found in the video memory for a particular geographic coordinate P, the test stand driver, e.g. from the test stand control unit 25 via the I / O interface 26, also aina selection for the selection of a particular video V are offered. During a virtual journey along the virtual route A * -B * searches a running in the background Vi-5 deosuchmaschine continuously in the existing video files for videos V, which were rotated in the area of the respective geographic coordinate P and offers them to the test bench driver to choose from. This eliminates the cumbersome manual search in the extensive video files.
This can be done not only at the start of the virtual ride, but also while driving. The video search engine also ensures that for a virtual route A * -B * several, separately stored videos V at the correct location (geo-coordinate P), preferably automated, started, stopped, merged or cut off.
In the same way, of course, audible audio data and all other measurement channels (data D or measured data M of the vehicle 1 *, the driver, the environment) 15 can be managed and played, recorded or displayed during the test run on the test bench 20.
However, a video V can also be used as a default for a tester driver by being played the video V and the track pre-played on it with suitable control devices, such as. a gas and brake pedal, manually nachfährt. 20 Data D from data files 6 or measurement data M from measured data files 7 of other detected journeys can also be displayed in real time for a route A + -B * to be traveled virtually.
For this purpose, the data memory 4 is searched for data files 6 or measurement data files 7 which have been stored at the same geographic coordinates P. Thus, data D or measurement data M can also be directly compared to the same geo-coordinates P, but different test drives. This can e.g. be useful for the calibration of control units of the vehicle 1, since in this way the effects of changes, e.g. on the emissions of the vehicle 1, can track directly.
Of course, data files 6 or measurement data files 7 generated in this way can also be analyzed offline as part of a post-processing. For example, certain comparisons 30 may be made by dividing data D or measurement data M according to certain specifications, e.g.
Cruise at speed 50km / h in 3rd gear, filtered and displayed. Or it could be analyzed the consumption or the emissions of all vehicles on a certain distance A-B.
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AV-3554 AT
Of course, it is also very easy to display all the data D, measured data M or videos V stored for this purpose via a specific geographic coordinate P.
In addition, along the virtual path A * -B *, other metadata related geo-coordinates P could also be stored, such Photos, algorithms for wiring 5 of traffic lights, traffic density, etc.
权利要求:
Claims (11)
[1]
[Printed: 29-07-2013 IE014.1 [102013/50472] AV-3554 AT Claims 1. A method for performing a test run for a virtual vehicle (1 *) on a test bench (20) with the following method steps s - reading a virtual Track (A * -B *) from a data memory (4), wherein the virtual track (A * -B *) as a sequence of geographic coordinates (P) and related to the Geokoor-dinate (P) related data (D) of the vehicle (Γ), a driver and / or an environment of the vehicle (1 *) is stored, use of the geo-coordinates (P) related stored data (D) for carrying out the test run for the virtual vehicle (1 *) and detecting Measurement data (M) of the virtual vehicle (1 *) during the test run and storing the acquired measurement data (M) with respect to the geographic coordinates (P).
[2]
2. The method according to claim 1, characterized in that a real distance (AB) with a real vehicle (1) is traveled and while driving along the real 15 distance (AB), the geo-coordinates (P) and data (D) of the vehicle (1), the driver and / or the surroundings of the vehicle (1) are detected and stored as a virtual route (A * -B *) based on the geographic coordinates (P).
[3]
3. The method according to claim 1, characterized in that from digital 3D map data, the geo-coordinates (P) of a route (AB) detected and stored as a virtual route (A * - 20 B *) and data (D) of the vehicle (1 *), the driver and / or the surroundings of the vehicle (1 *).
[4]
4. The method according to any one of claims 1 to 3, characterized in that as a test run a sequence of stored geographic coordinates (P) is traversed.
[5]
5. The method according to any one of claims 1 to 4, characterized in that a stored speed (v) or a stored time is used to control the virtual vehicle (1 *) in the test run.
[6]
6. The method according to any one of claims 1 to 5, characterized in that the virtual vehicle (Γ) for performing the test run is controlled by a virtual driver based on a driver model.
[7]
7. The method according to any one of claims 1 to 5, characterized in that the virtual vehicle (1 *) is controlled to perform the test run by a real driver. -N- ^: £ ^ -2Ö13 WO $ m 10 2013/50472 AV-3554 AT
[8]
8. The method according to claim 1, characterized in that in addition video data of the track (AB) in the form of a sequence of video frames (f) are detected and during the test run on the test bench (20) that video frame (fP) is determined and displayed, the corresponding geocoordinate (P).
[9]
9. The method according to claim 1, characterized in that additionally recorded audio data of the route (A-B) and stored in relation to the geocoordinate and during the test run on the test stand (20) those audio data are reproduced corresponding to the respective geographic coordinate (P).
[10]
10. The method according to claim 1, characterized in that during the test run 10 available data (D) or available measurement data (M) to the respective geographic coordinate (P) are retrieved and displayed.
[11]
11. The method according to claim 1, characterized in that in the post-processing of the test call data (D) or measurement data (M) on their geographic coordinate (P) sought, identified and compared.

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引用文献:
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优先权:
申请号 | 申请日 | 专利标题
ATA50472/2013A|AT512717B1|2013-07-26|2013-07-26|Method for carrying out a test run on a test bench|ATA50472/2013A| AT512717B1|2013-07-26|2013-07-26|Method for carrying out a test run on a test bench|
KR1020167005173A| KR102201506B1|2013-07-26|2014-07-25|Method for carrying out a test run on a test stand|
JP2016528541A| JP6652486B2|2013-07-26|2014-07-25|How to run a test run on a test bench|
PCT/EP2014/065996| WO2015011251A1|2013-07-26|2014-07-25|Method for carrying out a test run on a test stand|
EP14744817.9A| EP3025136B1|2013-07-26|2014-07-25|Method for carrying out a test run on a test stand|
US14/907,975| US20160171133A1|2013-07-26|2014-07-25|Method for Performing a Test Run on a Test Bench|
CN201480047704.2A| CN105492882B|2013-07-26|2014-07-25|Method for implementing trial run on testing stand|
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