EP2678655A2 - Dispositif d'essai et procédé - Google Patents

Dispositif d'essai et procédé

Info

Publication number
EP2678655A2
EP2678655A2 EP12743656.6A EP12743656A EP2678655A2 EP 2678655 A2 EP2678655 A2 EP 2678655A2 EP 12743656 A EP12743656 A EP 12743656A EP 2678655 A2 EP2678655 A2 EP 2678655A2
Authority
EP
European Patent Office
Prior art keywords
target object
vehicle
guide cable
cable
guide
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.)
Withdrawn
Application number
EP12743656.6A
Other languages
German (de)
English (en)
Inventor
Stephan Zecha
Clemens SCHMIDGALL
Mathias KEMPF
Mark Schulte
Adam Swoboda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Safety Engineering International GmbH
Original Assignee
Continental Safety Engineering International GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Continental Safety Engineering International GmbH filed Critical Continental Safety Engineering International GmbH
Publication of EP2678655A2 publication Critical patent/EP2678655A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/0078—Shock-testing of vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles

Definitions

  • the invention relates to a device and a method for simulating or reproducing driving situations, in particular collision-related and collision-related driving situations, between a test vehicle and a target object.
  • driver assistance systems are increasingly being used. Some of these driver assistance systems serve to protect vehicle occupants and other road users, for example pedestrians, cyclists or other vehicles. To this end, the driver assistance systems generally include additional electronic devices for detecting the surroundings in order to be able to support the driver in certain driving situations, for example by means of brake assistance, emergency braking or evasive maneuvers.
  • test devices For testing the above-mentioned driver assistance systems, in particular those with so-called forward-looking sensors for detecting the environment of a motor vehicle, various test devices are used.
  • different test objects are moved transversely to the travel path of the motor vehicle, in order, e.g. to simulate the crossing of a road by a pedestrian or the crossing of the roadway by another vehicle.
  • a driver assistance system intervenes in the vehicle dynamics in the event of an imminent collision or activates other protective measures, it is necessary for the test object to be in contact with the motor vehicle or at least until shortly before contact with the vehicle Motor vehicle remains.
  • a test device in particular for a pedestrian protection system in a motor vehicle, is known for example from DE 10 2008 025 539 AI.
  • a test object is connected to a carriage, which can be moved along a traverse, which extends transversely to the travel path of the motor vehicle.
  • the traverse is stretched at such a height on the track of the motor vehicle, that the motor vehicle can traverse the Traverse and thus the test object hangs freely in the guideway of the motor vehicle.
  • test devices damage remains on the test object or motor vehicle when simulating collision-laden driving situations.
  • the known test devices are very limited in their applications. Most are test devices that are permanently installed on a test area and therefore only a few different driving situations can be simulated.
  • Another disadvantage is that certain natural motion sequences, eg due to unevenness in the floor, can not be simulated by an embodiment with test objects that hang freely on a traverse or a guide cable and that unrealistic vibrations of the test objects or dummies during the course of the test occur can.
  • the invention is therefore an object of the invention to provide an apparatus and a method by which different driving situations, especially collision-oriented and collision driving situations between a test vehicle and a target object, as realistic as possible or realistic can be simulated, in the event of a collision between test vehicle and Target object this is possible non-destructive.
  • the device and method should be as flexible as possible, with regard to the simulated driving situations as well as with regard to the possible places of deployment.
  • An essential idea of the invention is to guide the target object along a guide cable, wherein the guide cable is arranged as close to the ground as possible, so that the most precise possible lateral guidance of the target results along the preferably taut guide cable.
  • the target object is in particular releasably connected to the guide cable, so that in the event of a collision with a test vehicle, the target object is decoupled when exceeding a certain load threshold value of the guide cable.
  • the decoupling is preferably carried out non-destructive, so that the device is directly reusable and no damage to target and / or test vehicle remain.
  • the device according to the invention comprises a target object, for example a dummy vehicle with a box-shaped structure and rollers or wheels and / or skids, which is connected to at least one guide cable.
  • the target object is preferably connected to the at least one guide cable such that in the event of a collision between a test vehicle and the target object, this is decoupled from the at least one guide cable.
  • the decoupling of the target object from the at least one guide cable takes place in particular when a certain load threshold value is exceeded.
  • the target object can be driven or moved, for example, by means provided for this purpose along the guide cable.
  • the target object may for example comprise its own drive or be connected to a pulling device.
  • the at least one guide cable is preferably arranged or tensioned between at least two fastening devices.
  • the at least one guide cable is arranged in particular close to the ground between the at least two fastening devices. Below the ground, such an arrangement of the guide cable can be understood, so that the guide cable is in the tensioned state just above the ground or the respective ground and / or rests in sections on the ground, for example, the road surface of the road on which the device according to the invention becomes.
  • the guide cable can be stretched for example over distances of 100m, 150m or more.
  • a tensile force of one tonne can be selected up to ten tons.
  • the guide rope is arranged at a height of at most up to 3 cm above the ground.
  • the device according to the invention can be used, for example, on a test area and / or in test halls.
  • the target object is connected to the guide cable by means of a guide clip.
  • the guide clip preferably has an eyelet, in which the guide cable is loosely mounted, so that the guide cable can slide through the eyelet or that the guide clip can be moved along the guide cable.
  • the guide clip by means of which the target object is connected to the guide cable, preferably has a mechanism whereby, when the guide clip is loaded from one or more loading directions, in particular in the event of a collision between the target object and the test vehicle, the guide clip releases the guide cable, so that the target object is decoupled from the guide cable.
  • Especially advantageous in this embodiment of the device according to the invention is that when uncoupling the target from the guide rope no holding parts or components of a holding device and / or parts of the target object remain on the guide cable, which would otherwise constitute a danger and in known devices an additional risk, in particular Damage to the test vehicle by swinging parts, represent.
  • the target object is connected to at least one pull cable for driving the target object along the guide cable.
  • the traction cable can in particular be driven by means provided for this purpose, for example by means of a cable drum or a drum conveying machine.
  • the target object may be fixed or in particular connected to the at least one pull rope such that the target object is decoupled from the pull rope in the event of a collision with the test vehicle.
  • the guide cable between two fastening devices is arranged or stretched, which are firmly connected to the ground or the ground.
  • the fastening devices may be, for example, bottom eyelets and / or hooks, which in particular are screwed tightly to the substrate, cast and / or anchored.
  • At least one of the fastening devices between which the guide cable is arranged or tensioned is designed as a mobile fastening device.
  • a mobile fastening device it may, for. B. are a structure of one or more interconnected plates act, for example, metal plates, which are connected to the guide cable, for example via an arranged on the fastening device eyelet and / or tensioning device.
  • ballast can be arranged on the mobile fastening device in order to achieve a sufficient weight force which counteracts the tensioning force of the guide cable.
  • rubber flooring may additionally be arranged between the mobile fastening device and the substrate in order to increase the friction adhesion between the fastening device and the substrate, and thus, in particular, to prevent the mobile from slipping off To prevent fastening device and / or to allow a higher clamping force for the guide cable.
  • At least one motor vehicle is arranged as ballast on a mobile fastening device.
  • the at least one motor vehicle is connected to the fastening device by means of fastening means, for example tension straps.
  • the device according to the invention in particular in the design of one or more of the at least two fastening devices as a mobile fastening device and each arrangement of at least one motor vehicle as ballast on the mobile fastening devices, is a means for driving the at least one pull rope in at least one of the motor vehicle arranged.
  • the means for driving the at least one pull rope can be, for example, a cable drum or a drum feed machine.
  • the means for driving can be arranged for example in the trunk or in the rear cargo compartment of the motor vehicle.
  • At least one driver assistance system or a forward-looking vehicle sensor system is arranged at least in the test vehicle.
  • the at least one driver assistance system or the forward-looking vehicle sensor system can be, for example, adaptive light control, headlamp or high beam headlamp suppression and night vision, night vision systems, parking assistance, brake assist or autonomous brake system and / or emergency brake assistant, adaptive cruise control,
  • the anticipatory vehicle sensor system eg radar, lidar and / or camera, can be used in particular for activating and / or preconditioning active and passive safety systems for vehicle occupants and / or other road users, for example airbags, seatbelt pretensioners or pedestrian protection systems and / or Forward-looking vehicle sensors for one or more of the aforementioned driver assistance systems are used.
  • the target object is provided with one or more attributes which are recognized by a driver assistance system or a forward-looking vehicle sensor system as vehicle-specific.
  • the attributes may be, for example, vehicle headlights, taillights, brake lights, turn signals or components such as bumper, wing mirrors, tires, car identification, radar corner, vehicle image films, etc.
  • the target object is a dummy vehicle.
  • the target object is equipped with one or more of the following systems:
  • Car-to-car communication systems are used in particular for the exchange of information between motor vehicles or road users and are intended to increase the visibility of the driver of a motor vehicle by means of electronic means.
  • Such systems can report, for example, emergency braking, ice and aquaplaning and help with lane change and threading, warning of emergency vehicles with blue lights and indicate accidents and construction sites.
  • a location system can be, for example, a system which uses GPS to determine the exact position of the target object and forwards the information about its position, for example, to the test vehicle and / or stores it for documentation or reproduction of test procedures.
  • a reference sensor system may, for example, be a system which determines, stores and / or passes on the position of the target object, for example its position along the guide cable, at specific times.
  • a driver assistance system may, in particular, be one of the driver assistance systems already listed above, which may likewise be arranged in the test vehicle.
  • driver assistance systems in the test vehicle and / or target object can be tested, which are supplied with data from other driver assistance systems or which communicate with driver assistance systems of other vehicles.
  • the target object is connected to the at least one pull rope at one or more attachment points.
  • the traction cable can be driven in particular either via two synchronized means for driving the at least one traction cable or be arranged circumferentially by means of deflection means, for example one or more deflection rollers.
  • a driver assistance system or at least one forward-looking vehicle sensor system which is arranged on the test vehicle is tested. Testing may mean the review or interpretation of whether or when a driver assistance system initiates an intervention in the vehicle dynamics or activates other protective measures in the event of an impending collision.
  • a device is used in particular according to the foregoing descriptions and embodiments.
  • the target object is preferably decoupled from the at least one guide cable, so that in the event of a collision as possible no damage to the test vehicle and / or the target object arise.
  • the decoupling can be triggered in response to exceeding a certain load threshold in the event of a collision.
  • the simulation of driving situations takes place on a public traffic route, for example on a public traffic route which is closed off for traffic for test purposes.
  • a public traffic route which is closed off for traffic for test purposes.
  • an embodiment of the device according to the invention described above with mobile fastening devices is used. It is advantageous that the simulation on public roads unlike the simulation on a test site allows the simulation of a variety of different driving situations, the simulation can also be carried out realistic or realistic.
  • the simulated traffic situation is a crossing situation, in particular on a public road intersection.
  • the inventive device and the method according to the invention over known devices is the fact that despite the lightweight design of the target, for example, as a vehicle dummy, which usually has only a small weight, by arranging or tensioning the guide rope near the ground with high Clamping force, for example, up to one ton or up to ten tons, yet a high tracking accuracy for the movement of the target object can be achieved, especially in the range of a track deviation of less than +/- 5 cm.
  • a variety of different driving situations such as those found on public roads, can be simulated or simulated and the target object can be approached by the test vehicle from all directions, ie it can both lateral and longitudinal traffic and frontal, side and rear collisions be simulated.
  • the target object can be guided in particular at speeds of up to 80 km / h along the guide cable.
  • the device can also be used on uneven ground or poor road surface, which in particular the realistic simulation or simulation of up and down movements of vehicles possible. Further advantages and optional embodiments will become apparent from the description and the drawings. Embodiments are shown in simplified form in the drawings and explained in more detail in the following description.
  • Figure 1 an example of a device according to the invention / an inventive
  • Figure 2 a guide bracket, as an example of a connecting element between
  • FIG. 3 shows a further example of a device according to the invention / a method according to the invention.
  • Figure 4 a target object with circumferentially arranged pull rope.
  • the device comprises a test vehicle 1, which may be a motor vehicle, in particular with street legality, and a target object 2.
  • the target object 2 is, for example, a vehicle dummy. Shown is a crossing situation in which the test vehicle 1 and the target object 2 are on intersecting driveways.
  • the route 3 of the test vehicle 1 or the road on which the test vehicle 1 is located is indicated by two dashed lines.
  • the target object 2 is connected to a guide cable 4 and to a pull cable 5.
  • the guide cable 4 is tensioned between two fastening devices 6 and 7.
  • the fastening devices 6 and 7 are designed as mobile fastening devices, in this case as plates on which in each case a motor vehicle 8 and 9 is arranged as ballast.
  • the motor vehicles 8 and 9 are connected, for example by means of straps with the fastening devices 6 and 7.
  • the motor vehicle 8 on the mobile fastening device 6 in this case comprises means (not shown in FIG. 1) for driving the traction cable 5, this may be a winch, which is arranged in the open rear cargo compartment of the motor vehicle 8 and connected to the traction cable 5 is. By winding the traction cable 5 by means of a winch, the target object 2 can be pulled along the tensioned guide cable 4 via the track 3 of the test vehicle 1.
  • target object 2 is decoupled from the guide cable 4, in particular when a specific load threshold value is exceeded.
  • target object 2 is preferably connected to the guide cable 4 by means of a special connecting element. A possible embodiment of such a connecting element is shown in FIG.
  • Fig. 2 shows a guide bracket 10 which can be used as a connecting element between the target 2 and guide cable 4.
  • the guide clip 10 comprises a T-shaped frame 11, with a region 12 in which a connection can be made to a target object 2, for example a screw and / or adhesive connection, and a pivot receptacle 13 are rotatably mounted about the two clip half 14 and 15 ,
  • the clamp halves 14 and 15 can be held in the closed state, for example by means of one or more springs (not shown in FIG. 2) and with a defined tension or spring force, wherein in the closed state according to FIG. 2, an eyelet 16 between the clamp halves 14 and 15 exists, in which the guide cable 4 can be latched.
  • the guide cable 4 is in particular mounted in the eyelet 16 such that the guide clip 10 or the target object 2, on which the guide clip 10 is arranged, can be displaced or guided along the guide cable 4.
  • FIG. 2 furthermore shows the functional principle of the guide clip 10 in the case of loading, in particular in the event of a collision between a test vehicle 1 and a target object 2, on which the guide clip 10 is arranged.
  • the guide bracket 10 undergoes a load Fl from the direction of the impact.
  • the clamp half 14 and 15 rotate about the pivot socket 13 in the illustrated direction of rotation.
  • a certain load threshold value which depends in particular on the clamping force or spring force with which the clamp halves 14 and 15 are held in the closed state, the guide cable 4 can slip out of the guide clamp 10 in the release direction F3.
  • FIG. 3 another example of a structure and a principle of operation of a device according to the invention and the method according to the invention is shown.
  • a traction cable 5 is arranged in the target object 2 in such a way that the target object 2, after carrying out the method or according to FIG Simulation of a driving situation between the test vehicle 1 and the target object 2, back to its original position, in particular by means of a return winch 18 along the guide cable 4 can be moved back.
  • the target object 2 for example by means of a winch 17, which is arranged in the open rear cargo space of the motor vehicle 8, and by means of the return winch 18 between the motor vehicles 8 and 9 along the guide cable 4 to move freely.
  • a drive-over ramp 19 can be arranged in the travel path 3 of the test vehicle 1 via the guide cable 4 and / or the pull cable 5.
  • the ramp 19 prevents in particular a contact between the test vehicle 1 and guide cable 4 or traction cable 5.
  • the winch 17 and the return winch 18 may in particular also be configured similar or similar and / or be synchronized so that the pull rope 5 preferably always remains under tension.
  • FIG. 4 shows an example of a target object 2, which can be guided or moved by means of a pull cable 5 along a guide cable 4 (not shown in FIG. 4).
  • the traction cable 5 is arranged circumferentially.
  • the traction cable 5 is wound on a two-part cable drum 20, for example by means of a drum conveying machine (not shown in FIG. 4) and deflected by means of a deflection roller 21.
  • the target object 2 can be moved freely in two directions 22, in particular along the guide cable 4.
  • various accelerations and delays of the target object 2 can be implemented for the simulation of driving situations. Via additional sensors, in particular on the cable drum 19, the position of the target object 2, along the path 22 on which it is moved and / or along the guide cable 4 can be determined at any time. name list

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Regulating Braking Force (AREA)

Abstract

L'invention concerne un dispositif et un procédé pour simuler ou reproduire des situations de conduite, en particulier des situations de conduite présentant un risque de collision ou comportant une collision, entre un véhicule d'essai (1) et un objet cible (2) ainsi que pour tester des systèmes d'assistance à la conduite ou des systèmes de capteurs de véhicule anticipatifs. Le dispositif et le procédé selon l'invention peuvent être utilisés presque partout et permettent un déroulement, sans destruction, de situations de conduite comportant une collision.
EP12743656.6A 2011-02-26 2012-02-17 Dispositif d'essai et procédé Withdrawn EP2678655A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011012542A DE102011012542A1 (de) 2011-02-26 2011-02-26 Testvorrichtung und Verfahren
PCT/DE2012/100040 WO2012113388A2 (fr) 2011-02-26 2012-02-17 Dispositif d'essai et procédé

Publications (1)

Publication Number Publication Date
EP2678655A2 true EP2678655A2 (fr) 2014-01-01

Family

ID=46633958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12743656.6A Withdrawn EP2678655A2 (fr) 2011-02-26 2012-02-17 Dispositif d'essai et procédé

Country Status (6)

Country Link
US (1) US9234819B2 (fr)
EP (1) EP2678655A2 (fr)
JP (1) JP6033794B2 (fr)
KR (1) KR20140009406A (fr)
DE (2) DE102011012542A1 (fr)
WO (1) WO2012113388A2 (fr)

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CN110333042B (zh) * 2019-08-05 2024-02-20 交通运输部天津水运工程科学研究所 一种用于模拟船锚坠落的离心模型试验装置
CN111562118B (zh) * 2020-06-30 2022-04-15 中汽院智能网联科技有限公司 一种夜间环境下aeb vru性能的测试方法
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Also Published As

Publication number Publication date
WO2012113388A2 (fr) 2012-08-30
WO2012113388A3 (fr) 2013-05-10
US9234819B2 (en) 2016-01-12
JP6033794B2 (ja) 2016-11-30
JP2014510911A (ja) 2014-05-01
DE102011012542A1 (de) 2012-08-30
KR20140009406A (ko) 2014-01-22
DE112012000441A5 (de) 2013-10-17
US20140014473A1 (en) 2014-01-16

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