CN110095295A - One kind is parked sensing capability test vehicle body mock combination rack electric control system and working method - Google Patents

One kind is parked sensing capability test vehicle body mock combination rack electric control system and working method Download PDF

Info

Publication number
CN110095295A
CN110095295A CN201910504203.7A CN201910504203A CN110095295A CN 110095295 A CN110095295 A CN 110095295A CN 201910504203 A CN201910504203 A CN 201910504203A CN 110095295 A CN110095295 A CN 110095295A
Authority
CN
China
Prior art keywords
tailstock
headstock
working cell
sub
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910504203.7A
Other languages
Chinese (zh)
Other versions
CN110095295B (en
Inventor
杨勇
陈涛
张强
夏芹
犹佐龙
赵彦光
陈明洁
戚建良
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.)
China Automotive Engineering Research Institute Co Ltd
Original Assignee
China Automotive Engineering Research Institute Co Ltd
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 China Automotive Engineering Research Institute Co Ltd filed Critical China Automotive Engineering Research Institute Co Ltd
Priority to CN201910504203.7A priority Critical patent/CN110095295B/en
Publication of CN110095295A publication Critical patent/CN110095295A/en
Application granted granted Critical
Publication of CN110095295B publication Critical patent/CN110095295B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C25/00Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004Means for monitoring or calibrating
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manufacturing & Machinery (AREA)
  • Traffic Control Systems (AREA)

Abstract

It parks sensing capability test vehicle body mock combination rack electric control system and working method the invention proposes one kind, headstock sub-platform information acquisition unit signal sending end connects vehicle processor headstock signal receiving end, tailstock sub-platform information acquisition unit signal sending end connects vehicle processor tailstock signal receiving end, and length of wagon adjusts cell signal transmitting terminal and connects vehicle processor vehicle body signal receiving end.Combined by headstock sub-platform information acquisition unit and tailstock sub-platform information acquisition unit and carry out perception test of parking, efficiently convenient, data collection is accurate.

Description

One kind is parked sensing capability test vehicle body mock combination rack electric control system and work Make method
Technical field
The present invention relates to intelligent automobile testing and control field more particularly to one kind park sensing capability test vehicle body mock group Close rack electric control system and working method.
Background technique
Parking system by the ultrasonic radar that is mounted on vehicle body, look around camera, forward sight camera and corresponding biography Sensor detects parking position, draws parking map, and the parking path of Dynamic Programming in real time, automobile is guided or is directly manipulated Steering wheel drives into parking position, eliminates the vision dead zone of vehicle surrounding, helps driver to park more accurately, improves and park Safety.
A vehicle with parking system needs before putting goods on the market to parking system progress perception test, including with It is lower two test: 1, ultrasonic radar sensing capability test: including sensor accuracy, system reaction time, make a false report, fail to report and Barrier, such as step, cabinet are tested, compared by real time data acquisition, radar perception envelope diagram, blind is automatically generated The report of area's range and ultrasonic radar are to the examining report of barrier;2, camera sensing capability is tested: including looking around camera Calibration, the identification of parking stall graticule, forward sight camera obstacle recognition are compared by real time data acquisition, and camera pair is looked around in output The examining report of barrier.
Summary of the invention
The present invention is directed at least solve the technical problems existing in the prior art, especially innovatively proposes one kind and park sense Know aptitude tests vehicle body mock combination rack electric control system and working method.
In order to realize above-mentioned purpose of the invention, the present invention provides one kind park sensing capability test vehicle body mock combination Rack electric control system, comprising: headstock sub-platform information acquisition unit, tailstock sub-platform information acquisition unit and length of wagon Adjust unit;
Headstock sub-platform information acquisition unit signal sending end connects vehicle processor headstock signal receiving end, and tailstock is flat Station information acquisition unit signal sending end connects vehicle processor tailstock signal receiving end, and length of wagon adjusts cell signal and sends End connection vehicle processor vehicle body signal receiving end.
Preferably, the headstock sub-platform information acquisition unit includes: odd number group headstock bracket working cell, and the odd number is big In being equal to three, if there is three groups of headstock bracket working cells, first group of headstock bracket working cell is mounted on headstock sub-platform headstock Position, in addition second group of headstock bracket working cell and third group headstock bracket working cell are respectively symmetrically mounted on first group of vehicle Head bracket working cell two sides.
Preferably, the tailstock sub-platform information acquisition unit includes: even number set headstock bracket working cell, and the even number is big In being equal to four, if there is four groups of tailstock bracket working cells, first group of tailstock bracket working cell is mounted on the tailstock sub-platform tailstock Position, in addition second group of tailstock bracket working cell and third group tailstock bracket working cell are respectively symmetrically mounted on first group of vehicle Tail bracket working cell two sides;4th group of tailstock bracket working cell is mounted on first group of tailstock bracket working cell rear end, and By first group to third group tailstock bracket work cell rings around wherein.
Preferably, the bracket working cell includes: lower trunnion axis servo motor, vertical axes servo motor, upper trunnion axis Servo motor and holder driving motor;
Horizontal axis signal transmitting terminal under lower trunnion axis servo motor signal receiving end connection dsp chip, vertical axes servo electricity Machine signal receiving end connects dsp chip vertical axes signal sending end, and upper trunnion axis servo motor signal receiving end connects dsp chip Upper trunnion axis signal sending end, holder driving motor signal receiving end connect dsp chip holder signal sending end.
Preferably, the bracket working cell further include: ultrasonic radar looks around camera and forward sight camera, in phase The bracket working cell answered installs corresponding ultrasonic radar, looks around camera and forward sight camera, to complete parking manoeuvres Instruction.
Preferably, further includes:
The first electric pushrod servo motor and the second electric pushrod servo motor, the first row degree is arranged in electric pushrod 703 Bit switch and second stroke limit switch;First electric pushrod servo motor signal receiving end connects the first push rod of vehicle processor Signal sending end, the second electric pushrod servo motor signal receiving end connect the second push rod of vehicle processor signal sending end, the One stroke limit switch signal transmitting terminal connects vehicle processor first stroke signal receiving end, second stroke limit switch signal Transmitting terminal connects vehicle processor second stroke signal receiving end.
Invention additionally discloses a kind of work sides of sensing capability test vehicle body mock combination rack electric control system of parking Method includes the following steps:
S1, simulating vehicle combine rack and carry out start-up operation, headstock sub-platform information acquisition unit and tailstock sub-platform letter The CAN bus signal of breath acquisition unit is parsed and is loaded, and transmits data to host computer by serial ports;When input barrier After testing information, ultrasonic radar, the ring of headstock sub-platform information acquisition unit and the response of tailstock sub-platform information acquisition unit Data collection is carried out depending on camera and forward sight camera, determines position and corresponding parameter information that barrier occurs,
S2 adjusts vehicle ruler by the first electric pushrod servo motor of electric pushrod and the second electric pushrod servo motor Very little, after vehicle dimension adjustment finishes, the barrier of parking platform is drawn close to simulating vehicle combination rack, starts headstock sub-platform Information acquisition unit and tailstock sub-platform information acquisition unit, corresponding headstock bracket working cell adjust corresponding operating position The acquisition of headstock data is carried out, tailstock bracket working cell adjusts corresponding position and carries out the acquisition of tailstock data;
The location of barrier is passed through the ultrasound of corresponding headstock bracket working cell and tailstock bracket working cell by S3 Wave radar looks around camera and forward sight camera is collected processing, and carries out early warning judgement, if headstock or the tailstock into Corresponding warning data can not be obtained in row test process, when causing accordingly to collide, record the position of collision and ultrasonic wave thunder The running parameter for reaching, looking around camera and forward sight camera, is uploaded to host computer;
The simulating vehicle combination corresponding running parameter of rack in the detection process that park, is carried out storage record, shape by S4 It at test record of parking, is uploaded to host computer and carries out data collection, and for carrying out security evaluation to intelligent automobile parking system.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
Barrier rack drives barrier mobile, simulating vehicle combination rack is for simulating for fixing various barriers Vehicle and parking system, for the present invention for testing the sensing capability of parking system, structure is simple, reliable and stable, is not necessarily to It is tested using real vehicle, reduces research and development cost, compared by real time data acquisition, generated ultrasonic radar and perceive envelope Figure, the report of blind area range and the examining report to barrier, are demarcated, the parking stall of camera is looked around in test to camera is looked around Line recognition capability, the obstacle recognition ability of forward sight camera, output look around camera to the examining report of barrier.Pass through phase The circuit control answered realizes the intelligent operation of parking system and the reception processing of data, quickly makes feedback processing.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is top view of the invention;
Fig. 2 is the structural schematic diagram of parking platform and barrier rack;
Fig. 3 is the structural schematic diagram that simulating vehicle combines rack;
Fig. 4 is the structural schematic diagram of bracket;
Fig. 5 is XYZ bloster circuit diagram;
Fig. 6 is testboard general illustration of parking;
Fig. 7 is testboard control method;
Fig. 8 is working method of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
As shown in Figures 1 to 4, a kind of parking system perception test platform, mainly by parking platform 1, barrier rack and mould Quasi- vehicle combination rack composition, is provided with parking space's line on the table top of parking platform 1, and parking space's line is looked around for testing A variety of rule can be set to the recognition capability of parking stall line for the testing requirement for meeting different vehicle in camera according to actual needs Parking space's line of lattice, size, parking stall shape can be set to common parallel space, vertical parking stall or inclination parking stall etc., be The complexity for reducing parking platform 1, is pasted using parking space's line;Simulating vehicle compound table frame is arranged on parking platform 1 And can arbitrarily move, the parking system of simulating vehicle arrangement is provided on simulating vehicle combination rack, parking system is at least wrapped It includes ultrasonic radar, look around camera and forward sight camera;Barrier rack includes two and is separately positioned on 1 front and back of parking platform The X-axis beam 2 that two sides and left and right extend is provided with the Y-axis beam 3 that front and back extends, the front and back two of Y-axis beam 3 between two X-axis beams 2 End is supported by two X-axis beams 2 respectively, and Y-axis beam 3 can move left and right under the driving of power along X-axis beam 2, on Y-axis beam 3 It is provided with the Z axis beam 4 extended up and down, Z axis beam 4 can be moved up and down under the driving of each ultromotivity and is moved forward and backward along Y-axis beam 3, The lower end of Z axis beam 4 is provided with barrier fixed frame 5, barrier fixed frame 5 is located at 1 top of parking platform, barrier fixed frame 5 for fixing various barriers, and the rack that breaks the barriers is able to drive barrier and moves along any direction.
As depicted in figs. 1 and 2, X-axis beam 2 uses beam structure, is not likely to produce deformation, is provided on X-axis beam 2 mutually Parallel X-axis guide rail and X-axis rack gear is respectively arranged with first servo motor at the both ends of Y-axis beam 3 and matches with X-axis guide rail X-axis slide block, the first gear engaged with X-axis rack gear, first servo motor are arranged on the output shaft of first servo motor Y-axis beam 3 is driven to move along X-axis guide rail by the engagement of first gear and X-axis rack gear.Y-axis beam 3 uses simple beam structure, by two Root is parallel to each other and the sub- beam 301 of the spaced Y-axis in left and right forms, and the same end of the sub- beam 301 of two Y-axis passes through link block respectively It is connected, the Y-axis guide rail that front and back extends is respectively arranged on the sub- beam 301 of two Y-axis, is arranged on the sub- beam 301 of a Y-axis wherein There is the Y-axis rack gear parallel with Y-axis guide rail, the slide unit 6 that can be slided along Y-axis guide rail is provided on the sub- beam 301 of two Y-axis, in cunning It is provided with the second servo motor on platform 6, the second tooth engaged with Y-axis rack gear is arranged on the output shaft of the second servo motor Wheel, the second servo motor drives slide unit 6 to move along Y-axis guide rail by the engagement of second gear and Y-axis rack gear, due to two Y-axis For sub- beam 301 apart from close, torsional moment is negligible, therefore use unilateral driving, offers on slide unit 6 and passes through for Z axis beam 4 Through-hole, in the left and right sides of the through-hole, setting is respectively arranged with a Z axis sliding block, is provided with up and down in the left and right sides of Z axis beam 4 The Z axis guide rail for extending and matching with Z axis sliding block, Z axis beam 4 are threaded through between two Z axis sliding blocks of slide unit 6 by Z axis guide rail, And Z axis beam 4 is between the sub- beam 301 of two Y-axis.The ball wire bar pair that screw rod or more extends, Z axis beam 4 are provided on slide unit 6 It is mounted on the feed screw nut of ball wire bar pair, ball wire bar pair drives Z axis beam 4 to move up and down by third servo motor.
As shown in Fig. 2, being equipped with dummy on barrier fixed frame 5, curb copies object, imitative step barrier, cabinet are imitated Object, the imitated object in L-type corner, white PVC bar or smooth PVC bar processed.
As shown in Fig. 2, Z axis beam 4 has lesser load, therefore Z axis beam 4 uses small-cross section profiles, higher guaranteeing to have Reduce difficulty of processing and cost while strength and stiffness, is coated with sound-absorbing material on 4 surface of Z axis beam, sound-absorbing material is polyester Fiber sound-absorbing blanket.
As shown in figures 1 and 3, simulating vehicle combination rack includes the support platform 7 of energy horizontal extension, support platform 7 Anterior-posterior horizontal is arranged at intervals with headstock sub-platform 701 and tailstock sub-platform 702, in headstock sub-platform 701 and tailstock sub-platform 702 On be respectively arranged with ultrasonic radar, look around camera and the one-to-one bracket 8 of forward sight camera.In the present embodiment, branch Platform 7 is supportted since institute is loaded smaller, is made of aluminium alloy plate, is the movement of platform 7 easy to support and flexible, while as far as possible The height for reducing support platform 7, is provided with multi-directional ball in the lower part of support platform 7.
Shown in as shown in Figure 1, Figure 3 and Figure 4, bracket 8 is made of three axis mould groups and holder 12, under three axis mould groups include Trunnion axis 9, vertical axes 10 and upper trunnion axis 11, lower trunnion axis 9 can extend along direction, and be mounted on headstock with moving horizontally flat On platform 701 and tailstock sub-platform 702, the lower end of vertical axes 10 is fixed on lower trunnion axis 9, and in the present embodiment, vertical axes 10 are logical It crosses link block and is fixed on lower trunnion axis 9 close to the side at 7 edge of support platform, leaning on of upwardly extending is provided on the link block Plate, backup plate are resisted against the inside of vertical axes 10, play a supporting role, and vertical axes 10 is made to keep vertical state, upper 11 energy of trunnion axis It is mounted in vertical axes 10 up or down, and upper trunnion axis 11 is vertical with lower trunnion axis 9, holder 12 is mounted on trunnion axis 11 It can move horizontally above and along the extending direction of upper trunnion axis 11, upper trunnion axis 11, vertical axes 10 and holder 12 are flat towards support The outside of platform 7 is installed, and ultrasonic radar looks around camera and forward sight camera is separately mounted on corresponding holder 12.Pass through The position that bracket 8 adjusts ultrasonic radar, looks around camera and forward sight camera, support platform that no replacement is required or bracket, can Enough analog ultrasonic wave radars are looked around camera and forward sight camera in the arrangement of vehicle body different location, and are verified in the cloth The sensing capability under mode is set, it is simple to operate, greatly reduce research and development cost, ultrasonic radar looks around camera and preceding It is installed depending on camera using same bracket 8, reduces the processing assembling difficulty of bracket 8, while energy is needed according to actual test The installation site for enough adjusting ultrasonic radar, looking around camera and forward sight camera is easy to use.
As shown in figures 1 and 3, one is respectively arranged in the rear end of the front end of headstock sub-platform 701 and tailstock sub-platform 702 The bracket 8 of the V-shaped distribution of group, the quantity of every pack support 8 are five, and the v-shaped opening of two pack supports 8 is opposite, two pack supports 8 The lower front and back of trunnion axis 9 extends;The both ends that " V " shape is corresponded on headstock sub-platform 701 are also each provided with lower 9 left side of trunnion axis The bracket 8 of right extension;The both ends that " V " shape is corresponded on tailstock sub-platform 702 are also each provided with two lower trunnion axis 9 or so and extend Bracket 8, four brackets 8 are arranged symmetrically two-by-two, are located behind wherein being located at the distance between two brackets 8 in front and being greater than The distance between two brackets 8;The bracket extended before and after the middle part of tailstock sub-platform 702 is additionally provided with a lower trunnion axis 9 8, which corresponds to the rear seat windscreen of vehicle.The arrangement of bracket 8 is suitable for most of vehicles, applied widely.
As shown in figure 4, passing through the ball screw being respectively equipped with respectively in lower trunnion axis 9, vertical axes 10 and upper trunnion axis 11 Nut body, installation slide unit 14 and servo motor realize movement, are provided with L shape on the installation slide unit 14 of upper trunnion axis 11 Holder bracket 15, holder 12 are mounted on the horizontal segment of holder bracket 15, and mounting structure is reliable and stable.Holder 12 is two axis clouds Platform can be realized pitching and the angle adjustment of horizontal direction, meets ultrasonic radar, looks around camera and the installation of forward sight camera Angle demand.
As shown in figures 1 and 3, it is connected between headstock sub-platform 701 and tailstock sub-platform 702 by electric pushrod 703, from And realize the flexible of support platform 7, simulate various vehicles.In the present embodiment, headstock sub-platform 701 and tailstock sub-platform 702 it Between be connected by two electric pushrods 703 being parallel to each other, between two electric pushrods 703 close to tailstock sub-platform 702 It is connected with stiffening plate 16, more due to 702 upper bracket 8 of tailstock sub-platform, adding stiffening plate 16 makes the knot of support platform 7 Structure is more stable.
As shown in figure 5, parking platform working cell includes: the first servo motor and second of X-axis beam left and right ends setting Servo motor, the third servo motor of Y-axis beam, the 4th servo motor of Z axis beam, X-axis beam limit switch, Y-axis beam limit switch, Z axis beam limit switch, X-axis indicator light, Y-axis indicator light, Z axis indicator light and PLC controller;
First servo motor signal control terminal connects the first servosignal of PLC controller transmitting terminal, the second servo motor letter Number control terminal connects the second servosignal of PLC controller transmitting terminal, and third servo motor signal control terminal connects PLC controller the Three servosignal transmitting terminals, the 4th servo motor signal control terminal connect the 4th servosignal transmitting terminal of PLC controller, X-axis beam Limit switch is separately positioned on four marginal positions of X-axis beam, and X-axis beam limit switch signal transmitting terminal connects PLC controller X-axis Beam limit signal receiving end, the setting of Y-axis beam limit switch connect PLC in Y-axis beam both ends, Y-axis beam limit switch signal transmitting terminal Controller Y-axis beam limit signal receiving end, Z axis beam limit switch signal transmitting terminal connection PLC controller Z axis beam limit signal connect Receiving end, X-axis indicator light signal receiving end connect PLC controller X-axis indication signal transmitting terminal, and Y-axis indicator light signal receiving end connects PLC controller Y-axis indication signal transmitting terminal is connect, Z axis indicator light signal receiving end connects PLC controller Z axis indication signal and sends End.In parking process realizes the response situation of parking platform analog obstacle object different location by the PLC controller, thus Simulating vehicle combination rack is accurately tested.
Parking platform working cell further include: headstock sub-platform information acquisition unit, tailstock sub-platform information acquisition unit Unit is adjusted with length of wagon;
Headstock sub-platform information acquisition unit signal sending end connects vehicle processor headstock signal receiving end, and tailstock is flat Station information acquisition unit signal sending end connects vehicle processor tailstock signal receiving end, and length of wagon adjusts cell signal and sends End connection vehicle processor vehicle body signal receiving end.The collection of data of parking and anti-is realized by the coordinateds of three units It is fed to host computer or cloud, headstock information when wherein the acquisition of headstock sub-platform information acquisition unit is parked, tailstock sub-platform information Tail information when acquisition unit acquisition is parked adjusts unit by length of wagon and processing is adjusted to length of wagon, meets not With the test job of parking of length of wagon vehicle.
As shown in fig. 6, the PLC controller in parking platform working cell is carried out data interconnection by RS485 bus, lead to PLC controller is crossed to interact data and host computer.
Headstock sub-platform information acquisition unit includes: odd number group headstock bracket working cell, which is more than or equal to three, if There are three groups of headstock bracket working cells, first group of headstock bracket working cell is mounted on headstock sub-platform headstock position, and in addition Two groups of headstock bracket working cells and third group headstock bracket working cell are respectively symmetrically mounted on first group of headstock bracket work Unit two sides;
If there is five groups of headstock bracket working cells, first group of headstock bracket working cell is mounted on headstock sub-platform headstock position Set, in addition second group of headstock bracket working cell, third group headstock bracket working cell, the 4th group of headstock bracket working cell and 5th group of headstock bracket working cell is respectively symmetrically mounted on first group of headstock bracket working cell two sides;It is corresponding odd when increasing When the quantity of array headstock bracket working cell, headstock bracket work cell layout is carried out with above-mentioned rule;To subsequent installation Corresponding ultrasonic sensor looks around camera and forward sight camera, is capable of providing corresponding location layout.
Tailstock sub-platform information acquisition unit includes: even number set headstock bracket working cell, which is more than or equal to four, if There are four groups of tailstock bracket working cells, first group of tailstock bracket working cell is mounted on tailstock sub-platform tailstock position, and in addition Two groups of tailstock bracket working cells and third group tailstock bracket working cell are respectively symmetrically mounted on first group of tailstock bracket work Unit two sides;4th group of tailstock bracket working cell is mounted on first group of tailstock bracket working cell rear end, and extremely by first group Third group tailstock bracket works cell rings around wherein;
If there is six groups of tailstock bracket working cells, first group of tailstock bracket working cell is mounted on tailstock sub-platform tailstock position Set, in addition second group of tailstock bracket working cell, third group tailstock bracket working cell, the 4th group of tailstock bracket working cell and 5th group of tailstock bracket working cell is respectively symmetrically mounted on first group of tailstock bracket working cell two sides;6th group of tailstock bracket Working cell is mounted on first group of tailstock bracket working cell rear end, and by first group to the 5th group tailstock bracket work cell rings Around wherein;When increasing the quantity of corresponding even number set tailstock bracket working cell, the work of tailstock bracket is carried out with above-mentioned rule Cell layout;To the corresponding ultrasonic sensor of subsequent installation, camera and forward sight camera are looked around, is capable of providing corresponding Location layout.
Headstock bracket working cell and/or tailstock bracket working cell are respectively as follows: lower trunnion axis servo motor, vertical axes are watched Take motor, upper trunnion axis servo motor and holder driving motor;
Horizontal axis signal transmitting terminal under lower trunnion axis servo motor signal receiving end connection dsp chip, vertical axes servo electricity Machine signal receiving end connects dsp chip vertical axes signal sending end, and upper trunnion axis servo motor signal receiving end connects dsp chip Upper trunnion axis signal sending end, holder driving motor signal receiving end connect dsp chip holder signal sending end;Pass through DSP core Piece carries out signal control to corresponding motor, so as to adjust signal receiving angle, height or the vehicle body distance parked when testing The width of stop line.
X axis quasi- take is assisted between the synchronous way of propelling of bi-motor and whole host computer by RS485 serial ports or LAN-TCP View communication;
For the safety of testing crew during guarantee test and experimental rig, which is arranged a variety of safety devices and sets Corresponding safety operation test specification.
Individual emergency stop switch is set in the control system of entire rack, and when pressing the emergency stop switch, entire rack is disconnected Electricity simultaneously remains stationary;
Multiple-layer polychromatic status lamp is set on one jiao of top of rack, to show the states such as normal rack, failure, maintenance;
All directions beam end of travel is respectively provided with limit switch, prevents from occurring overtravel during test and damaging rack;
Shield is installed additional on each transmission parts, and preventing transmission mechanism from entering sundries influences service life, prevents simultaneously Accidentally touching damages personnel;
Parking system working cell includes: ultrasonic radar, looks around camera and forward sight camera, in corresponding headstock branch Frame working cell and tailstock bracket working cell install corresponding ultrasonic radar, look around camera and forward sight camera, thus Complete parking manoeuvres instruction.
According to preferred embodiment, using seven groups of headstock bracket working cells and ten groups of tailstock bracket working cells, wherein seven groups Headstock bracket working cell includes:
First group of headstock bracket working cell is mounted on headstock sub-platform headstock position, first group of headstock bracket working cell Headstock forward sight camera is installed, in addition second group of headstock bracket working cell, third group headstock bracket working cell and the 4th group Headstock bracket working cell is mounted on first group of headstock bracket working cell side, the 5th group of headstock bracket working cell, the 6th Group headstock bracket working cell and the 7th group of headstock bracket working cell are mounted on first group of headstock bracket working cell other side, Second group of headstock bracket working cell and the 5th group of headstock bracket working cell install respectively the first headstock ultrasonic sensor and Second headstock ultrasonic sensor;Third group headstock bracket working cell and the 6th group of headstock bracket working cell install respectively One headstock looks around camera and the second headstock looks around camera;4th group of headstock bracket working cell and the 7th group of headstock timberer Make unit and third headstock ultrasonic sensor and the 4th headstock ultrasonic sensor are installed respectively;
Wherein ten groups of tailstock bracket working cells include:
First group of tailstock bracket working cell is mounted on tailstock sub-platform tailstock position, first group of tailstock bracket working cell Tailstock forward sight camera is installed, in addition second group of tailstock bracket working cell, third group tailstock bracket working cell, the 4th group of vehicle Tail bracket working cell, the 5th group of tailstock bracket working cell are mounted on first group of tailstock bracket working cell side, and the 6th group Tailstock bracket working cell, the 7th group of tailstock bracket working cell, the 8th group of tailstock bracket working cell and the 9th group of tailstock branch Frame working cell is mounted on first group of tailstock bracket working cell other side, second group of tailstock bracket working cell and the 6th group of vehicle Tail bracket working cell is installed by the first tailstock ultrasonic sensor and the second tailstock ultrasonic sensor respectively;Third group tailstock branch Frame working cell and the 7th group of tailstock bracket working cell install that first tailstock looks around camera and second tailstock is looked around and taken the photograph respectively As head;Third tailstock supersonic sensing is installed in 4th group of tailstock bracket working cell and the 8th group of tailstock bracket working cell respectively Device and the 4th tailstock ultrasonic sensor;5th group of tailstock bracket working cell and the 9th group of tailstock bracket working cell are pacified respectively The dress third tailstock looks around camera and the 4th tailstock looks around camera;
VEHICLES MUST PARK WITHIN THE MARKED BAY for the realization that the parking system working cell installed by above-mentioned layout can optimize, and can be real The accurate acquisition for data of now parking.
As shown in fig. 7, upper computer software is divided into three layers, every layer of function is described as follows:
First layer is responsible for signal input/output processing, parsing, load including CAN, RS485 signal;
The second layer is function or configuration layer, be responsible for carrying out the parameters such as motion profile, the speed of barrier rack configuration or The preservation of configuration parameter, load, to the combination rack length of rack, the type of width and each sensor, quantity, the direction X/Y/Z, Angle carries out configuration or the preservation of configuration parameter, load, and marks to the position sensor of barrier rack, combination rack It is fixed.In addition this layer also completes the processing and movement parts anti-interference early warning to ECU correlation CAN signal of parking;
Third layer is application layer, is responsible for test cases editor and automatically generates test report of parking.
In addition, the upper computer software has test start button, test pause button and test to terminate status display mark. But after the completion of systematic parameter configuration, after test start button is pressed, system will start to test, if test midway is pressed Lower pause button, then system all in parking system will shut down, if pressing start button again, system will be after reforwarding Turn.When the test is finished, upper computer software terminates display test.
Using 17 pack supports, wherein headstock sub-platform 701 uses seven pack supports 8, forms headstock bracket working cell, vehicle Odd amount in addition to the round number platform 702 uses ten pack supports 8, forms tailstock bracket working cell;
The first electric pushrod servo motor and the second electric pushrod servo motor, the first row degree is arranged in electric pushrod 703 Bit switch and second stroke limit switch;First electric pushrod servo motor signal receiving end connects the first push rod of vehicle processor Signal sending end, the second electric pushrod servo motor signal receiving end connect the second push rod of vehicle processor signal sending end, the One stroke limit switch signal transmitting terminal connects vehicle processor first stroke signal receiving end, second stroke limit switch signal Transmitting terminal connects vehicle processor second stroke signal receiving end, adjusts simulating vehicle by electric pushrod and combines rack length, To which transformation measures size, to meet the demand of the test of parking of different automobile types.
As shown in figure 8, the parking system working method includes:
S1, parking platform starting carry out signal response to X-axis beam, Y-axis beam and Z axis beam, after state without exception, move X-axis Barrier is moved to simulating vehicle combination rack response bit to be measured and set by beam, Y-axis beam and Z axis beam, by PLC controller to X-axis The CAN bus signal of beam, Y-axis beam and Z axis beam is parsed and is loaded, and transmits data to host computer by serial ports;
S2, simulating vehicle combine rack and carry out start-up operation, headstock sub-platform information acquisition unit and tailstock sub-platform letter The CAN bus signal of breath acquisition unit is parsed and is loaded, and transmits data to host computer by serial ports;When input barrier After testing information, ultrasonic radar, the ring of headstock sub-platform information acquisition unit and the response of tailstock sub-platform information acquisition unit Data collection is carried out depending on camera and forward sight camera, determines position and corresponding parameter information that barrier occurs,
S2-1 adjusts vehicle by the first electric pushrod servo motor of electric pushrod and the second electric pushrod servo motor Size, after vehicle dimension adjustment finishes, the barrier of parking platform is drawn close to simulating vehicle combination rack, and starting headstock is flat Station information acquisition unit and tailstock sub-platform information acquisition unit, corresponding headstock bracket working cell adjust corresponding working position It sets and carries out the acquisition of headstock data, tailstock bracket working cell adjusts corresponding position and carries out the acquisition of tailstock data;
The location of barrier is passed through the super of corresponding headstock bracket working cell and tailstock bracket working cell by S2-2 Sound radar looks around camera and forward sight camera is collected processing, and carries out early warning judgement, if in headstock or the tailstock It carries out that corresponding warning data can not be obtained in test process, when causing accordingly to collide, records the position of collision and ultrasonic wave Radar, the running parameter for looking around camera and forward sight camera, are uploaded to host computer;
In the detection process that park, parking platform and the corresponding running parameter of simulating vehicle combination rack are carried out by S3 Storage record, formation are parked test record, are uploaded to host computer and are carried out data collection, and for intelligent automobile parking system into Row security evaluation.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (7)

1. one kind is parked, sensing capability test vehicle body mock combines rack electric control system characterized by comprising headstock Platform information acquisition unit, tailstock sub-platform information acquisition unit and length of wagon adjust unit;
Headstock sub-platform information acquisition unit signal sending end connects vehicle processor headstock signal receiving end, tailstock sub-platform letter It ceases acquisition unit signal sending end and connects vehicle processor tailstock signal receiving end, length of wagon adjusts cell signal transmitting terminal and connects Connect vehicle processor vehicle body signal receiving end.
2. sensing capability test vehicle body mock combination rack electric control system according to claim 1 of parking, feature It is, the headstock sub-platform information acquisition unit includes: odd number group headstock bracket working cell, which is more than or equal to three, If there is three groups of headstock bracket working cells, first group of headstock bracket working cell is mounted on headstock sub-platform headstock position, in addition Second group of headstock bracket working cell and third group headstock bracket working cell are respectively symmetrically mounted on first group of headstock timberer Make unit two sides.
3. sensing capability test vehicle body mock combination rack electric control system according to claim 1 of parking, feature It is, the tailstock sub-platform information acquisition unit includes: even number set headstock bracket working cell, which is more than or equal to four, If there is four groups of tailstock bracket working cells, first group of tailstock bracket working cell is mounted on tailstock sub-platform tailstock position, in addition Second group of tailstock bracket working cell and third group tailstock bracket working cell are respectively symmetrically mounted on first group of tailstock timberer Make unit two sides;4th group of tailstock bracket working cell is mounted on first group of tailstock bracket working cell rear end, and by first group To third group tailstock bracket work cell rings around wherein.
4. according to the described in any item sensing capability test vehicle body mock combination rack electrical control systems that park of claim 2-3 System, which is characterized in that the bracket working cell includes: that lower trunnion axis servo motor, vertical axes servo motor, upper trunnion axis are watched Take motor and holder driving motor;
Horizontal axis signal transmitting terminal under lower trunnion axis servo motor signal receiving end connection dsp chip, vertical axes servo motor letter Number receiving end connects dsp chip vertical axes signal sending end, water on upper trunnion axis servo motor signal receiving end connection dsp chip Flat axis signal transmitting terminal, holder driving motor signal receiving end connect dsp chip holder signal sending end.
5. according to the described in any item sensing capability test vehicle body mock combination rack electrical control systems that park of claim 2-3 System, which is characterized in that the bracket working cell further include: ultrasonic radar looks around camera and forward sight camera, corresponding Bracket working cell corresponding ultrasonic radar is installed, looks around camera and forward sight camera, refer to complete parking manoeuvres It enables.
6. sensing capability test vehicle body mock combination rack electric control system according to claim 1 of parking, feature It is, further includes:
The first electric pushrod servo motor and the second electric pushrod servo motor is arranged in electric pushrod 703, and first stroke limit is opened It closes and second stroke limit switch;First electric pushrod servo motor signal receiving end connects the first push rod of vehicle processor signal Transmitting terminal, the second electric pushrod servo motor signal receiving end connect the second push rod of vehicle processor signal sending end, the first row Degree bit switch signal sending end connects vehicle processor first stroke signal receiving end, and second stroke limit switch signal is sent End connection vehicle processor second stroke signal receiving end.
7. a kind of working method for sensing capability test vehicle body mock combination rack electric control system of parking, which is characterized in that Include the following steps:
S1, simulating vehicle combine rack and carry out start-up operation, and headstock sub-platform information acquisition unit and tailstock sub-platform information are adopted The CAN bus signal of collection unit is parsed and is loaded, and transmits data to host computer by serial ports;When input barrier test After information, the ultrasonic radar of headstock sub-platform information acquisition unit and the response of tailstock sub-platform information acquisition unit is looked around and is taken the photograph As head and forward sight camera progress data collection, the position and corresponding parameter information that barrier occurs are determined,
S2 adjusts vehicle dimension by the first electric pushrod servo motor of electric pushrod and the second electric pushrod servo motor, After vehicle dimension adjustment finishes, the barrier of parking platform is drawn close to simulating vehicle combination rack, starting headstock sub-platform letter Cease acquisition unit and tailstock sub-platform information acquisition unit, corresponding headstock bracket working cell adjust corresponding operating position into Head data of driving a vehicle acquisition, tailstock bracket working cell adjust corresponding position and carry out the acquisition of tailstock data;
The location of barrier is passed through the ultrasonic wave thunder of corresponding headstock bracket working cell and tailstock bracket working cell by S3 It reaches, look around camera and forward sight camera is collected processing, and carry out early warning judgement, if surveyed in headstock or the tailstock Corresponding warning data can not be obtained during examination, when causing accordingly to collide, record the position of collision and ultrasonic radar, ring Depending on the running parameter of camera and forward sight camera, it is uploaded to host computer;
The simulating vehicle combination corresponding running parameter of rack in the detection process that park, is carried out storage record, forms pool by S4 Vehicle test record is uploaded to host computer and carries out data collection, and for carrying out security evaluation to intelligent automobile parking system.
CN201910504203.7A 2019-06-12 2019-06-12 Electric control system and working method of car body simulation combined rack for parking sensing capability test Active CN110095295B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910504203.7A CN110095295B (en) 2019-06-12 2019-06-12 Electric control system and working method of car body simulation combined rack for parking sensing capability test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910504203.7A CN110095295B (en) 2019-06-12 2019-06-12 Electric control system and working method of car body simulation combined rack for parking sensing capability test

Publications (2)

Publication Number Publication Date
CN110095295A true CN110095295A (en) 2019-08-06
CN110095295B CN110095295B (en) 2020-08-07

Family

ID=67450787

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910504203.7A Active CN110095295B (en) 2019-06-12 2019-06-12 Electric control system and working method of car body simulation combined rack for parking sensing capability test

Country Status (1)

Country Link
CN (1) CN110095295B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104176051A (en) * 2014-07-31 2014-12-03 奇瑞汽车股份有限公司 Testing device and method for automatic parking system
CN204269818U (en) * 2014-12-16 2015-04-15 重庆集诚汽车电子有限责任公司 A kind of vehicle reversing radar testing rack of simulated automotive bumper
CN205263310U (en) * 2015-12-07 2016-05-25 苏州东进自动化系统有限公司 Regional automatic test equipment of radar detection that backs a car
CN106092177A (en) * 2016-08-02 2016-11-09 吉林大学 Intelligent electric motor car testing stand is used in environmentally sensitive configuration and test
CN205899005U (en) * 2016-07-06 2017-01-18 同致电子科技(厦门)有限公司 Automatic testing arrangement of radar of backing a car
CN206523631U (en) * 2017-02-20 2017-09-26 安徽江淮汽车集团股份有限公司 A kind of radar for backing car test system
CN107727412A (en) * 2017-10-31 2018-02-23 上海驰助汽车零部件有限公司 One kind parametrization adjustable tail-gate stand
CN109375635A (en) * 2018-12-20 2019-02-22 安徽江淮汽车集团股份有限公司 A kind of autonomous driving vehicle road environment sensory perceptual system and method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104176051A (en) * 2014-07-31 2014-12-03 奇瑞汽车股份有限公司 Testing device and method for automatic parking system
CN204269818U (en) * 2014-12-16 2015-04-15 重庆集诚汽车电子有限责任公司 A kind of vehicle reversing radar testing rack of simulated automotive bumper
CN205263310U (en) * 2015-12-07 2016-05-25 苏州东进自动化系统有限公司 Regional automatic test equipment of radar detection that backs a car
CN205899005U (en) * 2016-07-06 2017-01-18 同致电子科技(厦门)有限公司 Automatic testing arrangement of radar of backing a car
CN106092177A (en) * 2016-08-02 2016-11-09 吉林大学 Intelligent electric motor car testing stand is used in environmentally sensitive configuration and test
CN206523631U (en) * 2017-02-20 2017-09-26 安徽江淮汽车集团股份有限公司 A kind of radar for backing car test system
CN107727412A (en) * 2017-10-31 2018-02-23 上海驰助汽车零部件有限公司 One kind parametrization adjustable tail-gate stand
CN109375635A (en) * 2018-12-20 2019-02-22 安徽江淮汽车集团股份有限公司 A kind of autonomous driving vehicle road environment sensory perceptual system and method

Also Published As

Publication number Publication date
CN110095295B (en) 2020-08-07

Similar Documents

Publication Publication Date Title
CN104634321B (en) The check device of vehicle driver's auxiliary system
CN110887672B (en) Whole car of intelligence car is at ring test system
CN202267871U (en) Automatic obstacle avoidance robot platform
CN112061412B (en) Unmanned aerial vehicle intelligent hangar suitable for multiple installation demands
CN107521478A (en) Control method based on ultrasonic radar and millimetre-wave radar
CN112014113A (en) Indoor whole car hardware is at ring test device
KR101510338B1 (en) Device for inspecting lane departure warning system of vehicle
CN110220715A (en) One kind is parked sensing capability testboard electric control system and working method
CN110155163A (en) A kind of unmanned steering system and vehicle
CN211943155U (en) Multi-sensor fusion intelligent integrated vehicle
CN110220716A (en) Parking system perception test platform
CN112133153A (en) Unmanned vehicle line control chassis teaching training platform and use method thereof
CN113140140A (en) Education training is with driving car with autopilot function
CN113879325B (en) Automatic driving auxiliary testing device, method and system
CN110095295A (en) One kind is parked sensing capability test vehicle body mock combination rack electric control system and working method
CN202413623U (en) Following-up automobile rearview mirror
CN215298518U (en) Real standard platform of adjusting is surveyed to networking vehicle sensor
CN109094558A (en) A kind of pure electric vehicle and its anti-collision system and avoiding collision
CN209356920U (en) Containing multi-source onboard sensor ring intelligent vehicle in ring test platform
CN102941826A (en) Method and device for ensuring driving safety of electric power engineering vehicle
CN206400349U (en) A kind of hardware-in-the-loop test platform suitable for automobile steering-by-wire
CN111137237A (en) School bus and device for preventing children from leaving behind
CN209961908U (en) Personalized blind area detection automatic test stand
CN112606801B (en) Adjustable wheelbase formula is parked and is used AGV
CN116954109A (en) Parallel steering system of aircraft tractor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant