CN109269813A - A kind of vehicle collision prewarning Function Appraising method and tray apparatus - Google Patents
A kind of vehicle collision prewarning Function Appraising method and tray apparatus Download PDFInfo
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- CN109269813A CN109269813A CN201810928764.5A CN201810928764A CN109269813A CN 109269813 A CN109269813 A CN 109269813A CN 201810928764 A CN201810928764 A CN 201810928764A CN 109269813 A CN109269813 A CN 109269813A
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Classifications
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- 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
Abstract
The present invention provides a kind of vehicle collision prewarning Function Appraising method, specifically comprise the following steps: for the instruction carriage with anti-collision warning function to be placed in preset test scene；The preset test scene includes: at least one parking stall, for parking the instruction carriage；Target vacation vehicle, the target vacation vehicle are fixed in tray apparatus, and are located on the road arranged in a crossed manner with parking stall inlet and outlet extended line；Target vacation vehicle is from initial position along the road towards parking stall direction straight-line travelling；When the target vacation vehicle, which is travelled, imports and exports front predetermined position to the parking stall, instruction carriage is connected to astern signal and starts to move backward；It acquires instruction carriage and target vacation vehicle travels multidate information；Travelling multidate information includes driving video and GPS data；Vehicle collision prewarning function is evaluated according to traveling multidate information.The present invention can be used in providing a kind of quantization objective appraisal method to vehicle collision prewarning functional performance test evaluation, and accuracy is higher.
Description
Technical field
The invention belongs to vehicle active safety energy the field of test technology, more particularly, to a kind of vehicle collision prewarning function
Assessment method and tray apparatus.
Background technique
With popularizing for automobile, traffic accident also occurs again and again, and a portion traffic accident generation is moving backward or parking
In the process, causing one key factor of accident is exactly vehicle blind zone.For this purpose, equipped with rear side side blind area warning function (RTA) system
The automobile of system just comes into being.
RTA system is the region for helping driver to observe rear of vehicle two sides, in vehicle rollback, reminds driver
Whether rear of vehicle has vehicle or personnel close, and accident occurs to avoid collision.In numerous blind area early warning miscellaneous functions, vehicle
Rear side side's anti-collision warning function is exactly one of them, before automobile factory, needs to test car crass warning function.
But blank is at home and abroad still belonged to for the functional verification test method of the product, lack a kind of pre- dedicated for car crass
The assessment method and tray apparatus of alert function.
Summary of the invention
In view of this, the present invention is directed to propose a kind of vehicle collision prewarning Function Appraising method, to realize to car crass
Warning function performance test evaluation.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle collision prewarning Function Appraising method, specifically comprises the following steps:
Instruction carriage with anti-collision warning function is placed in preset test scene；The preset test scene packet
It includes: at least one parking stall, for parking the instruction carriage；Target vacation vehicle, the target vacation vehicle are fixed in tray apparatus, and
On the road arranged in a crossed manner with parking stall inlet and outlet extended line；
Target vacation vehicle is from initial position along the road towards parking stall direction straight-line travelling；
When the target vacation vehicle, which is travelled, imports and exports front predetermined position to the parking stall, instruction carriage is connected to astern signal
Start to move backward；
It acquires instruction carriage and target vacation vehicle travels multidate information；The traveling multidate information includes driving video and GPS number
According to；
Vehicle collision prewarning function is evaluated according to the traveling multidate information.
Further, the driving video includes: video, the mesh of instruction carriage tail portion and tail portion towards the road kerb line
False vehicle is marked towards the parking stall video travelled and the video of instrument board instruction information；
The GPS data includes: instruction carriage real time position, deceleration, yaw angle, target vacation vehicle real time position and/or phase
It is located at the relative distance of the rearward position by close-target vacation vehicle side for instruction carriage.
Further, the preset test scene further include: spacing dial markings are set on road roadside；
Determine target vacation spacing separating test parking stall in the rear side position for leaning on close-target vacation vehicle side according to the spacing dial markings
The relative distance set, the scale value including the corresponding spacing dial markings of acquisition target vacation vehicle real time position.
Further, it includes: according to the instruction carriage tailstock apart from institute that the instruction carriage, which is connected to before astern signal starts reversing,
The distance for stating road kerb line, the initial position moved backward when starting to instruction carriage are demarcated.
Further, when the target vacation vehicle, which is travelled, imports and exports front predetermined position to the parking stall, instruction carriage is connect
Start to move backward to astern signal further include: demarcate the predetermined position；
Carrying out calibration to the predetermined position includes:
Distance by the calibrated instruction carriage tailstock apart from the road kerb line is set as L；
The length of L is set as different values by several times；
Corresponding each different L length, when target vacation vehicle is travelled close to instruction carriage, and in the reverse image screen of instruction carriage
When seeing the image of target vacation vehicle in curtain, the distance of target vacation Chinese herbaceous peony end distance test (DT) vehicle is recorded；
It regard the distance as the predetermined position.
Further, each different L length of the correspondence when target vacation vehicle is travelled close to instruction carriage, and is being tested
When seeing the image of target vacation vehicle in the reverse image screen of vehicle, packet after the distance of target vacation Chinese herbaceous peony end distance test (DT) vehicle is recorded
It includes:
Instruction carriage side rearward collision warning function is opened in the process of backing up；
The distance value is gradually increased, records the distance value in real time；
After the distance increases to certain value, side rearward collision warning function fails to activate；
Determine the corresponding distance value of the unactivated state as critical distance value.
Further, the method also includes: it is functional that the vehicle collision prewarning is evaluated according to the critical distance value
Energy.
Further, the default test scene further include: be equipped in the parking stall at least side and refer to vehicle, the ginseng
It is consistent with the instruction carriage to examine vehicle direction, it is described to be used to block instruction carriage rear side side sight and/or image and/or sound with reference to vehicle
Acquire signal.
Further, described to be arranged with the test(ing) plant being located in parking stall away from 0.3m with reference to vehicle；
The predetermined position is demarcated further include: change the front and back relative position for referring to vehicle and instruction carriage, the phase
It is X to position mark；
Real-time monitoring with reference to vehicle when different location, target vacation vehicle predetermined position change, collide by instruction carriage reversing rear vehicle
Whether warning function is active；
After monitoring instruction carriage reversing when un-activation anti-collision warning function, by corresponding target vacation vehicle relative to instruction carriage
Location position be the predetermined position.
Further, the length of the L is set as 1m, 2m, 3m, 4m or 5m, and the speed of the target vacation vehicle traveling is set as
10km/h, 20km/h or 30km/h.
Further, the instruction carriage is connected to after astern signal starts reversing further include: according to sound or visual information
Determine whether the vehicle collision prewarning function is in normal Activate state.
Compared with the existing technology, a kind of vehicle collision prewarning Function Appraising method of the present invention has the advantage that
By presetting a test scene, by the instruction carriage with anti-collision warning function as in the test scene, acquire
Instruction carriage and target vacation vehicle travel multidate information, and the traveling multidate information includes driving video and GPS data；According to the row
Multidate information is sailed to evaluate vehicle collision prewarning function.It can be used in vehicle collision prewarning functional performance test evaluation,
A kind of quantization objective appraisal method is provided, accuracy is higher.
Another object of the present invention is to propose a kind of tray apparatus for vehicle early warning functional test, touched for automobile
Hit warning function performance test.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of tray apparatus for vehicle early warning functional test, including castor, truss structure and mask, the castor
It being fixed on truss structure, the truss structure is formed by more metal tube cross welds, and the metal tube is equipped with mounting hole,
The mask is fixed on truss structure by mounting hole, and the truss structure includes central truss and edge truss, it is described in
Heart truss is the rectangular lattice structure that more aluminum pipe square crossings are welded into, and the edge truss is in relative to the central truss
One angle tilts down setting, and the edge truss is made of the aluminum pipe that more root beads are connected to central truss periphery.
Further, the castor is direction-caster.
Further, the edge truss is 15~35 ° relative to the inclination angle of central truss.
Further, the edge truss and central truss junction are equipped with transition circle cambered surface.
Further, the metal tube footing in two neighboring face connects and composes triangle knot with skirt member in the edge truss
Structure.
Further, the tray apparatus further includes drawing opening apparatus of autotomying, and the opening apparatus of autotomying that draws includes: connection
Plate, first end hook, sucker and the second end hook, the first end hook are fixed on connecting plate side, the sucker
It is adsorbed in the connecting plate other side, the second end hook links together with sucker end, and the opening apparatus of autotomying that draws leads to
The first end hook is crossed to connect with the pallet end flexible wires.
Further, pallet mask end face is equipped with bayonet, and the flexible wires both ends are equipped with buckle, institute's flexibility
Line is linked up with across the first end, is caught in the bayonet by described, when the flexible wires are in straight configuration,
The line of the flexible wires and mask end face bayonet constitutes the isosceles triangle that a footing is 30 °.
Further, mask upper surface periphery is equipped with velcro or viscose glue.
Compared with the existing technology, a kind of tray apparatus for vehicle early warning functional test of the present invention has following
Advantage:
The present invention is advanced past for holding in the palm carrier gas ball vacation vehicle, with traction mechanism traction tray apparatus in test rear of vehicle,
With the time of day of interference vehicle of the simulating vehicle rear side side when parking, so as to for the anti-collision warning function as test vehicle
The experimental facilities of energy, device structure is simple, and full-featured, practical, stability is good.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of vehicle collision prewarning Function Appraising method flow schematic diagram of the embodiment of the present invention；
Fig. 2 is a preset test scene schematic diagram described in Fig. 1 in the embodiment of the present invention；
Fig. 3 is another preset test scene schematic diagram described in Fig. 1 in the embodiment of the present invention；
Fig. 4 is a kind of tray apparatus schematic diagram for vehicle early warning functional test described in the embodiment of the present invention；
Fig. 5,6 are truss structure schematic diagram described in the embodiment of the present invention；
Fig. 7 is that traction described in the embodiment of the present invention is autotomyed opening apparatus structural schematic diagram；
Fig. 8 is the hitch structure schematic diagram of tray apparatus described in the embodiment of the present invention.
Description of symbols:
1- pallet；11- castor；12- truss structure；13- mask；14- mounting hole；121- central truss；The edge 122- purlin
Frame；The junction 123-；124- triangular structure；2- draws opening apparatus of autotomying；21- connecting plate；22- first end hook；23- inhales
Disk；24- the second end hook.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
For clear open technical solution of the embodiment of the present invention, one now is made to Fig. 2 and Fig. 3 and is briefly described as follows: Fig. 2 and figure
It is road mentioned herein pointed by D in 3, hollow block arrow refers to that instruction carriage astern direction, filled arrows are directed toward
Refer to target vacation vehicle direction of advance.
Referring to shown in Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of vehicle collision prewarning Function Appraising method, main needle
To a solution that the evaluation and test of vehicle rear-side side's anti-collision warning functional performance proposes, comprising steps of
S11, the instruction carriage with anti-collision warning function is placed in preset test scene；
In the present embodiment, as shown in Figure 2 or Figure 3, the preset test scene includes: at least one parking stall, is used for
Park the instruction carriage T；Target vacation vehicle VT, the target vacation vehicle are fixed in tray apparatus, and are located at and are imported and exported with parking stall
On extended line road arranged in a crossed manner；
In order to as objective and accurate as possible to the assessment of vehicle rear-side side's anti-collision warning/miscellaneous function performance, test scene is answered
Scene of really parking is simulated as far as possible；Therefore, target vacation parking stall in road according to circumstances can both be vertically installed in it is described
Parking stall import and export also can choose the road vertical with the extended line of parking stall inlet and outlet, it is also an option that with stopping
Parking stall has the intersecting roads of non-perpendicular relationship.Various scenes of parking can be selected to evaluate as performance test one by one in testing
With then carrying out overall merit.
In the present embodiment, described target vacation vehicle itself be can have from driving function, in order to prevent in testing, due to pre-
Alert function fault, which causes target vacation vehicle to be directly damaged, cannot continue to test, the target vacation vehicle is set to special design
Tray apparatus on, by using traction device carry out tethered sliding.
S12, target vacation vehicle are from initial position along the road towards parking stall direction straight-line travelling；
In the present embodiment, the target vacation vehicle also should simulated roadway practical vehicular traffic driving status traveling as far as possible.
S13, when the target vacation vehicle travel to the parking stall import and export front predetermined position when, instruction carriage is connected to reversing
Signal starts to move backward；
In the present embodiment, in order to carry out test evaluation to vehicle rear-side anti-collision warning function, instruction carriage is in reversing overall process
In answer always on anti-collision warning function.As one, optionally embodiment, instruction carriage are connected to astern signal and start to go back after reversing
It include: to determine whether the vehicle collision prewarning function is in normal Activate state according to sound or visual information.
In the present embodiment, the visual information includes the instruction information or light change information of instrument board；The sense of hearing letter
Breath includes the audio warning of the sending of interior sound equipment and buzzer.Driver can according to the instruction information of instrument panel surface, for example,
Indicate that the normal or similar printed words of function prompt, or the auditory information (such as alarm) that interior sound equipment and buzzer issue determines
Whether early warning/miscellaneous function of parking on rear side of instruction carriage in reversing process (succinct to describe, hereinafter to be referred to RTA function generation) is located
In normal Activate state.
In the present embodiment, sound-light alarm collector collects sound and light signal, and is converted to electric signal, passes through the change of electric signal
Change (form is pulse) to determine whether RTA function triggers.
S14, acquisition instruction carriage and target vacation vehicle travel multidate information；The traveling multidate information include driving video and
GPS data；
In the present embodiment, the acquisition of the information can be carried out by onboard installing camera and GPS device.
In the present embodiment, as an alternative embodiment, the driving video includes: instruction carriage tail portion and tail portion described in
The video of road kerb line, target vacation vehicle are towards the parking stall video travelled and the video of instrument board instruction information.
The GPS data includes: instruction carriage real time position, deceleration, yaw angle, target vacation vehicle real time position and/or phase
It is located at the relative distance of the rearward position by close-target vacation vehicle side for instruction carriage.
In the present embodiment, by camera shooting visual angle towards instruction carriage tail portion, tail portion towards kerb line region, target vacation vehicle
The positions such as front end and kerb line can be realized same parameter, multi-angle of view video comparative analysis in the same time, and pass through video acquisition
With the comparative analysis of the same collected data of parameter different acquisition mode of GPS data, it can be ensured that the accuracy of information collection.
S15, vehicle collision prewarning function is evaluated according to the traveling multidate information.
In the present embodiment, it is described traveling multidate information include above-mentioned specifying information some for quantifiable critical evaluation join
Number, it is relatively objective accurate to make to evaluate according to these quantifiable key parameters, has the evaluation of RTA functional performance with reference to meaning
Justice.
A kind of vehicle collision prewarning Function Appraising method of the embodiment of the present invention will have and touch by presetting a test scene
The instruction carriage of warning function is hit as in the test scene, acquisition instruction carriage and target vacation vehicle travel multidate information, the row
Sailing multidate information includes driving video and GPS data；Vehicle collision prewarning function is commented according to the traveling multidate information
Valence.It can be used in vehicle collision prewarning functional performance test evaluation.
Further, due to assessment method of the embodiment of the present invention, according to the traveling dynamic for including driving video and GPS data
Information evaluates the vehicle collision prewarning function, provides a kind of quantization objective appraisal scheme, accuracy is relatively
Height, evaluation result have reference value.
In the present embodiment, the preset test scene further include: spacing dial markings are set on road roadside；
Determine target vacation spacing separating test parking stall in the rear side position for leaning on close-target vacation vehicle side according to the spacing dial markings
The relative distance set.
It is described to determine target vacation spacing separating test parking stall in by close-target according to the spacing dial markings in the present embodiment
The relative distance of the rearward position of false vehicle side includes: to acquire the quarter of the corresponding spacing dial markings of target vacation vehicle real time position
Angle value.
In the present embodiment, it includes: according to instruction carriage tailstock distance that the instruction carriage, which is connected to before astern signal starts reversing,
The distance of the road kerb line, the initial position moved backward when starting to instruction carriage are demarcated.
It is described when the target vacation vehicle travels and imports and exports front predetermined position to the parking stall in the present embodiment, examination
It validates the car and is connected to astern signal and starts to move backward further include: the predetermined position is demarcated.
To the predetermined position carry out calibration include: by the calibrated instruction carriage tailstock apart from the road kerb line away from
From being set as L；The length of L is set as different values by several times；Corresponding each different L length, when target vacation vehicle is travelled close to examination
When validating the car, and when seeing in the reverse image screen of instruction carriage the image of target vacation vehicle, the distance examination of record target vacation Chinese herbaceous peony end
The distance validated the car；It regard the distance as the predetermined position.
For different automobile types, the angular field of view and arrangement form of reverse image camera are different, and therefore, it is necessary to institute
It states predetermined position to be demarcated, in order to ensure the accuracy of evaluating result, the method for different automobile types calibration needs identical.
In the present embodiment, each different L length of the correspondence when target vacation vehicle is travelled close to instruction carriage, and is being tried
When seeing the image of target vacation vehicle in the reverse image screen validated the car, after the distance for recording target vacation Chinese herbaceous peony end distance test (DT) vehicle
It include: to open instruction carriage side rearward collision warning function in the process of backing up；The distance value is gradually increased, in real time described in record
Distance value；After the distance increases to certain value, side rearward collision warning function fails to activate；Determine the unactivated state
The corresponding distance value is as critical distance value.
In the present embodiment, the critical distance value is exactly to determine that target vacation vehicle is travelled to being how many relative to instruction carriage distance
When, activation RTA functional effect is only optimal foundation.Otherwise RTA function is evaluated according to the critical distance, it can be objective
The performance of quantitatively evaluating RTA function.
In addition, the scanning range of the most vehicles for having RTA function of inventor's discovery, back radars or imaging sensor is
One fan-shaped region, when exceeding the region, RTA function may be subjected to influence, therefore record the critical value in predetermined position (i.e.
The critical distance value), the performance that often can clearly show very much the system is strong and weak, and the value of critical distance value is that evaluation should
The important references amount of vehicle RTA function power.Therefore, the critical distance value is to evaluate the weight of vehicle RTA functional performance quality
Reference quantity is wanted, is threshold value whether defining vehicle RTA function activation, for Mr. Yu's vehicle, if the value is excessive, the vehicle
Alarm too early, can generate more RTA false triggering；If the value is too small, the RTA function warning of the vehicle too late, can be brought
It is dangerous.
The embodiment of the present invention passes through using the critical distance value as the fine or not index of an evaluation RTA performance, Neng Goujin
One step makes the evaluation of objective quantification to the power of RTA function, has important references meaning.
In the present embodiment, the length of the L is set as 1m, 2m, 3m, 4m or 5m.
In the present embodiment, the speed of the target vacation vehicle traveling is set as 10km/h, 20km/h or 30km/h.
It is understood that the accuracy in order to guarantee evaluating result respectively corresponds not in the case that each L value is constant
Same velocity amplitude demarcates the predetermined position.
Corresponding different L value records corresponding critical distance value respectively, is labeled as S, according to vehicle difference, S be one can
The parameter of variation, in specific evaluation and test, table can be drawn and recorded.
In the present embodiment, the method also includes: the vehicle collision prewarning function is evaluated according to the critical distance value
Performance.
As shown in figure 3, in the present embodiment, as an optionally embodiment, the default test scene further include: described
Parking stall at least side, which is equipped with, refers to vehicle, and described consistent with the instruction carriage with reference to vehicle direction, the reference vehicle is for blocking examination
It validates the car rear side side's sight and/or image and/or sound collection signal.
It is understood that the vehicle with RTA function would generally install the information collecting devices such as radar in vehicle side,
In order to realize the assessment to there is obstacle to block the vehicle RTA functional performance in the operating condition of the equipment such as the radar, in the vehicle
Side setting refers to vehicle.It is described to be according to circumstances freely arranged with reference to the spacing of vehicle and instruction carriage, it is preferable that it is described with reference to vehicle with
Test(ing) plant in parking stall is arranged away from 0.3m.
Referring to shown in Fig. 2, in order to clearly illustrate the specific calibration process in predetermined position of the embodiment of the present invention and effect, now in conjunction with
One specific operating condition is described in detail below:
Described be aligned with reference to vehicle with the instruction carriage is parked；False vehicle will be tested close to instruction carriage tail portion and instruction carriage tail portion
Between distance be set as L；The length of L is set as 1m by several times, corresponding L length when target vacation vehicle is travelled close to instruction carriage, and is being tried
When seeing the image of target vacation vehicle in the reverse image screen validated the car, first of record target vacation vehicle to instruction carriage predetermined position
Length value is recorded as S0；The length of S0 is gradually increased, incrementss are labeled as △ S, keep L numerical value constant when test every time；Target
For false vehicle when by S=S0+n △ S location, triggering instruction carriage reversing determines whether RTA function is in activation shape in reversing process
State；When S increases to certain value, and RTA function is in unactivated state after the reversing of this position test vehicle, then records at this time
S value, the S value are exactly critical distance value, that is, target vacation vehicle travel to be S relative to instruction carriage distance when, if RTA is activated
It is at optimum state, activating can all go wrong too early or too late, can evaluate RTA function very well as Appreciation gist according to it
The quality of energy performance.
It is described that the predetermined position is demarcated in the present embodiment further include: to change the front and back for referring to vehicle and instruction carriage
Relative position, the relative position are labeled as X；Real-time monitoring refers to vehicle when different location, target vacation vehicle predetermined position change,
Whether instruction carriage reversing rear vehicle anti-collision warning function is active；
After monitoring instruction carriage reversing when un-activation anti-collision warning function, by corresponding target vacation vehicle relative to instruction carriage
Location position be the predetermined position.
The calibration in the predetermined position is really in order to determine the critical distance value, according to target vacation vehicle relative to test
Whether vehicle distance is in optimum distance, and RTA function just activates, to evaluate RTA functional performance, if just in the critical distance
Activation is then best when value, is then taken second place too early or too late.In the present embodiment, in order to improve evaluated and tested under various operating conditions it is accurate
Property, the relative position of vehicle and instruction carriage is referred to by changing, and records corresponding S value, can really evaluate and test is having barrier to block
Instruction carriage coherent signal acquires the influence degree under equipment situation to vehicle RTA performance.
The embodiment of the invention provides a kind of to block under the operating condition of instruction carriage side vision or voice signal with reference to vehicle having
Test evaluation method, the above-mentioned test made by simulating the scene, and RTA activation is obtained according to above-mentioned test and is corresponded to
Critical distance value, according to the critical distance value can objective evaluate the RTA functional performance under the operating condition.
The embodiment of the present invention also provides a kind of essential experimental facilities of vehicle early warning functional test, can be used in various
In vehicle early warning functional test experiment, including pallet 1, the pallet includes: castor 11, truss structure 12 and mask 13, described
Castor 11 is fixed on the truss structure 12, and the truss structure 12 is formed by more metal tube cross welds, in the gold
Belong to pipe and be equipped with mounting hole 14 (the stain signal on the metal tube shown in Fig. 4), the mask 13 passes through the mounting hole
14 are fixed on the truss structure 12.
In the present embodiment, it is to be understood that the mask 13 is the face with instruction carriage tire interface, therefore, surface
It is required to be smooth impulse- free robustness, tire can be pricked in this way to avoid sharp object, tire is damaged.In addition, since mask 13 is solid
It is scheduled on truss structure 12, this requires 13 inner surface of mask (face contacted with truss structure) shape and structure and truss knots
Structure 12 is consistent so that the two combine it is more compact with it is secured.Mask 13 can be fixed on truss structure 12 by manner
Together, it can also be bolted, as previously described, because to avoid 13 surface of mask from having sharp object, therefore, when using bolt
When fixed, using countersunk bolt, it is made not expose 13 surface of mask.The metal tube can be aluminum pipe, steel pipe, cast iron pipe or aluminium
Compo pipe.
A kind of vehicle collision prewarning functional test tray apparatus of the embodiment of the present invention, by by the pallet whole installation
Total can be enhanced since the drawing of 12 horizontal direction of truss structure, pressure internal force realize Equilibrium at truss structure 12
Stability can be used in car crass warning function testing experiment so that tray apparatus structural stability of the present invention is good.
As shown in Figure 5,6, in the present embodiment, as a preferred embodiment, the truss structure 12 includes central truss 121
And edge truss 122, the central truss 121 are the rectangular lattice structure that more aluminum pipe square crossings are welded into, the edge
Truss 122 tilts down setting relative to the central truss 121 is at an angle, and the edge truss 122 is connected to by more root beads
The aluminum pipe on 121 periphery of central truss forms.
It is understood that rectangle longer sides are direction of advance of the balloon vacation vehicle as interference vehicle traveling, shorter edge is to survey
The side that test run reversing is rolled by.
The present embodiment can be touched conveniently by the way that the central truss 121 is arranged to an obliquity structure with edge truss 122
Easily be poured on pallet when hitting the test carriage reversing in warning function test, in favor of vehicle early warning functional test into
Row.
In the present embodiment, as a preferred embodiment, the castor 11 is direction-caster.Tray apparatus can be kept in this way
Along linear motion in traction process, with the early warning scene for the vehicle that real simulation advances to rear of vehicle straight line.
In the present embodiment, as an optionally embodiment, inclination of the edge truss 122 relative to central truss 121
Angle is 15~35 °.
In the present embodiment, as one, optionally embodiment, the edge truss 122 are set with 121 junction 123 of central truss
There is transition circle cambered surface.
The present embodiment is by being arranged transition circle cambered surface, Neng Gou with 121 junction of central truss for the edge truss 122
In test process, test carriage smoothly from edge, drive on pallet by truss slope surface, avoids the wedge angle of junction to test wheel
The destruction risk of tire.
In the present embodiment, as an optionally embodiment, the metal tube footing in two neighboring face in the edge truss 122
Triangular structure 124 is connected and composed with skirt member.
The present embodiment is due to linking together composition the metal tube footing of 122 liang of adjacent surfaces of edge truss with bottom edge crossbeam
Triangular structure, has the characteristics that stability according to triangular structure, the overall structure that can further enhance tray apparatus is steady
It is qualitative.
In the present embodiment, as an alternative embodiment, the 13 upper surface periphery of mask is equipped with velcro or viscose glue, is used for
Fixed balloon vacation vehicle.
It is understood that balloon vacation vehicle for simulating vehicle it is on the berth go out garage when rear vehicle.
As shown in fig. 7, as one, optionally embodiment, the tray apparatus further include that traction disconnects certainly in the present embodiment
Device 2, the opening apparatus of autotomying that draws includes: that connecting plate 21, first end hook 22, sucker 23 and the second end link up with 24,
First end hook 22 is fixed on 21 side of connecting plate, and the sucker 23 is adsorbed in 21 other side of connecting plate, and described second
End hook 24 links together with 23 end of sucker, the traction autotomy opening apparatus 2 by first end hook 22 and
The pallet end flexible wires connection.
It is understood that after test carriage reversing excessively causes to grind dynamic pallet, if tractor does not stop in time
Vehicle, tractive force can also reach pallet by flexible wires, and pallet, which will continue to advance, to be caused to drag test carriage wheel, to the wheel of test carriage
Tire or wheel may cause injury, and if test carriage or testing equipment damage, will affect testing efficiency, and causing can not be by
When complete a series of functional tests of test carriage.
The present embodiment draws opening apparatus 2 of autotomying by connecting on pallet, and when dynamic pallet is ground out-of-date, speed drops substantially
It is 0, if tractor moves at this time, opening apparatus of autotomying can be disengaged voluntarily from connecting plate by sucker, keep traction rope disconnected
It opens, such pallet loses tractive force, a possibility that generation drags test carriage wheel is avoided, so as to avoid to test wheel
The risk that tire or wheel damage can guarantee testing efficiency and be timely completed the functional test of test carriage.
As shown in figure 8, in the present embodiment, it is preferable that 13 end face of pallet mask is equipped with bayonet, the flexible wires two
End is equipped with buckle, and institute's flexible wires pass through first end hook 22, are caught in the bayonet by described, work as institute
When stating flexible wires and being in straight configuration, it is 30 ° that the line of the flexible wires and mask end face bayonet, which constitutes a footing,
Isosceles triangle.Setting can make during pulling tray apparatus in this way, and the isosceles triangle that traction flexible wires are formed has steady
Balanced action that is qualitative and being able to maintain power, makes the balloon vehicle being fixed thereon in traction process, is kept fixed as far as possible
Trajectory line movement, really to simulate the scene during real vehicles are parked, to improve vehicle early warning functional test
Validity.
A kind of vehicle collision prewarning functional test tray apparatus of the present embodiment uses dragger for holding in the palm carrier gas ball vacation vehicle
Structure draws tray apparatus and is advanced past in test rear of vehicle, with the true shape of interference vehicle of the simulating vehicle rear side side when parking
State, so as to the experimental facilities for the anti-collision warning function as test vehicle.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of vehicle collision prewarning Function Appraising method, it is characterised in that: specifically comprise the following steps:
Instruction carriage with anti-collision warning function is placed in preset test scene；The preset test scene include: to
A few parking stall, for parking the instruction carriage；Target vacation vehicle, the target vacation vehicle is fixed in tray apparatus, and is located at
With parking stall inlet and outlet extended line on road arranged in a crossed manner；
Target vacation vehicle is from initial position along the road towards parking stall direction straight-line travelling；
When the target vacation vehicle, which is travelled, imports and exports front predetermined position to the parking stall, instruction carriage is connected to astern signal and starts
Reversing；
It acquires instruction carriage and target vacation vehicle travels multidate information；The traveling multidate information includes driving video and GPS data；
Vehicle collision prewarning function is evaluated according to the traveling multidate information.
2. a kind of vehicle collision prewarning Function Appraising method according to claim 1, it is characterised in that: the driving video
It include: the view that video, the target vacation vehicle of instruction carriage tail portion and tail portion towards the road kerb line are travelled towards the parking stall
The video of frequency and instrument board instruction information；
The GPS data includes: instruction carriage real time position, deceleration, yaw angle, target vacation vehicle real time position and/or relative to
Instruction carriage is located at the relative distance of the rearward position by close-target vacation vehicle side.
3. a kind of vehicle collision prewarning Function Appraising method according to claim 1, it is characterised in that: the preset survey
Examination hall scape further include: spacing dial markings are set on road roadside；
Determine target vacation spacing separating test parking stall in the rearward position by close-target vacation vehicle side according to the spacing dial markings
Relative distance, the scale value including the corresponding spacing dial markings of acquisition target vacation vehicle real time position.
4. a kind of vehicle collision prewarning Function Appraising method according to claim 1, it is characterised in that: the instruction carriage connects
Include: the distance according to the instruction carriage tailstock apart from the road kerb line before starting reversing to astern signal, instruction carriage is fallen
Initial position when vehicle starts is demarcated.
5. a kind of vehicle collision prewarning Function Appraising method according to claim 4, it is characterised in that: when the target is false
Vehicle is travelled to when predetermined position, instruction carriage is connected to astern signal and starts to move backward further include: to institute in front of the inlet and outlet of the parking stall
Predetermined position is stated to be demarcated；
Carrying out calibration to the predetermined position includes:
Distance by the calibrated instruction carriage tailstock apart from the road kerb line is set as L；
The length of L is set as different values by several times；
Corresponding each different L length, when target vacation vehicle is travelled close to instruction carriage, and in the reverse image screen of instruction carriage
When seeing the image of target vacation vehicle, the distance of target vacation Chinese herbaceous peony end distance test (DT) vehicle is recorded；
It regard the distance as the predetermined position.
6. a kind of vehicle collision prewarning Function Appraising method according to claim 5, it is characterised in that: the correspondence is each
Different L length when target vacation vehicle is travelled close to instruction carriage, and sees target vacation vehicle in the reverse image screen of instruction carriage
Image when, record target vacation Chinese herbaceous peony end distance test (DT) vehicle distance after include:
Instruction carriage side rearward collision warning function is opened in the process of backing up；
The distance value is gradually increased, records the distance value in real time；
After the distance increases to certain value, side rearward collision warning function fails to activate；
Determine the corresponding distance value of the unactivated state as critical distance value.
7. according to a kind of described in any item vehicle collision prewarning Function Appraising methods of claim 5-6, it is characterised in that: described
Default test scene further include: it is equipped in the parking stall at least side and refers to vehicle, it is described with reference to vehicle direction and the instruction carriage
Unanimously, described to be used to block instruction carriage rear side side sight and/or image and/or sound collection signal with reference to vehicle.
8. a kind of vehicle collision prewarning Function Appraising method according to claim 7, it is characterised in that: it is described with reference to vehicle with
Test(ing) plant in parking stall is arranged away from 0.3m；
The predetermined position is demarcated further include: change the front and back relative position for referring to vehicle and instruction carriage, the opposite position
Tagging is X；
Real-time monitoring refers to vehicle when different location, target vacation vehicle predetermined position change, instruction carriage reversing rear vehicle anti-collision warning
Whether function is active；
Position after monitoring instruction carriage reversing when un-activation anti-collision warning function, by corresponding target vacation vehicle relative to instruction carriage
It sets and is demarcated as the predetermined position.
9. a kind of for any tray apparatus of claim 1 to 8, it is characterised in that: including castor, truss structure and
Mask, the castor are fixed on truss structure, and the truss structure is formed by more metal tube cross welds, the metal tube
It is equipped with mounting hole, the mask is fixed on truss structure by mounting hole, and the truss structure includes central truss and side
Edge truss, the central truss are the rectangular lattice structure that is welded into of more aluminum pipe square crossings, the edge truss relative to
The central truss is at an angle to tilt down setting, and the edge truss is connected to the aluminum pipe group on central truss periphery by more root beads
At.
10. tray apparatus according to claim 9, it is characterised in that: the tray apparatus further includes that traction is filled from disconnection
It sets, the opening apparatus of autotomying that draws includes: connecting plate, first end hook, sucker and the second end hook, the first end
Hook is fixed on connecting plate side, and the sucker suction connects in the connecting plate other side, the second end hook with sucker end
It is connected together, the opening apparatus of autotomying that draws is connect by first end hook with the pallet end flexible wires.
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|---|---|---|---|
| CN201810928764.5A CN109269813B (en) | 2018-08-15 | 2018-08-15 | Vehicle collision early warning function evaluation method and tray equipment |
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|---|---|---|---|
| CN201810928764.5A CN109269813B (en) | 2018-08-15 | 2018-08-15 | Vehicle collision early warning function evaluation method and tray equipment |
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| CN109269813A true CN109269813A (en) | 2019-01-25 |
| CN109269813B CN109269813B (en) | 2020-11-13 |
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| CN201810928764.5A Active CN109269813B (en) | 2018-08-15 | 2018-08-15 | Vehicle collision early warning function evaluation method and tray equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617972A (en) * | 2019-08-22 | 2019-12-27 | 武汉理工大学 | A false car chassis structure of target for intelligent automobile bump test |
| CN110646214A (en) * | 2019-08-22 | 2020-01-03 | 武汉理工大学 | Reconfigurable body structure of target false car for crash test and assembling method |
| CN112834234A (en) * | 2019-11-25 | 2021-05-25 | 武汉理工大学 | Method and system for judging collision of target false car |
| CN111189650A (en) * | 2020-01-22 | 2020-05-22 | 长安大学 | Unmanned vehicle cooperative driving capability test system and test method |
| CN111397796A (en) * | 2020-04-08 | 2020-07-10 | 新石器慧通（北京）科技有限公司 | Collision test method, device and system |
| CN111397796B (en) * | 2020-04-08 | 2022-02-01 | 新石器慧通（北京）科技有限公司 | Collision test method, device and system |
| CN111862556A (en) * | 2020-05-27 | 2020-10-30 | 中汽数据有限公司 | Collision early warning function evaluation method based on driver behavior analysis |
| CN112537267A (en) * | 2020-11-26 | 2021-03-23 | 安徽江淮汽车集团股份有限公司 | Method, equipment, storage medium and device for testing reversing early warning performance |
| CN113484040A (en) * | 2021-06-21 | 2021-10-08 | 上汽通用五菱汽车股份有限公司 | Emergency lane keeping function test method, device and system and storage medium |
| CN113848072A (en) * | 2021-09-26 | 2021-12-28 | 上汽通用五菱汽车股份有限公司 | Anti-collision function test system, method and device and readable storage medium |
| CN114323677A (en) * | 2021-12-13 | 2022-04-12 | 一汽奔腾轿车有限公司 | Real vehicle test system and method for vehicle emergency avoidance |
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| CN109269813B (en) | 2020-11-13 |
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Effective date of registration: 20240124 Address after: 300457 unit 402-4, building 6, West Financial Street, No. 52, Xincheng West Road, economic and Technological Development Zone, Binhai New Area, Tianjin Patentee after: CATARC (TIANJIN) AUTOMOTIVE ENGINEERING RESEARCH INSTITUTE Co.,Ltd. Guo jiahuodiqu after: Zhong Guo Address before: 300457 TEDA MSD-B1-1907, 62 Second Avenue, Binhai New Area Development Zone, Tianjin Patentee before: CATARC (TIANJIN) AUTOMOTIVE ENGINEERING RESEARCH INSTITUTE Co.,Ltd. Guo jiahuodiqu before: Zhong Guo Patentee before: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. |