CN206224230U - A kind of ACC test platforms based on radar echo simulation - Google Patents
A kind of ACC test platforms based on radar echo simulation Download PDFInfo
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Abstract
The utility model provides a kind of ACC test platforms based on radar echo simulation, including motion rotating table, for carrying ACC controller to be measured；The radar echo simulator being connected with millimeter-wave systems, receives the radar scanning signals that ACC controller to be measured is launched, and send analogue echoes signal to ACC controller to be measured by millimeter-wave systems by millimeter-wave systems；Host computer, is connected with radar echo simulator and ACC controller to be measured, is respectively used to the remote control of radar echo simulator and activation and the condition monitoring of ACC controller to be measured；Power-supply system, for radar echo simulator and the power supply management of millimeter-wave systems.The platform that the utility model is provided, can be effectively reduced the testing cost of ACC controller, shorten the testing time.
Description
Technical field
The utility model is related to adaptive cruise control system functional test field, more particularly to a kind of to be based on radar return
The ACC test platforms of simulation.
Background technology
ACC (Adaptive Cruise Control, adaptive learning algorithms) is a permission vehicle cruise control system
By accelerating or braking adjustment car speed to adapt to the function of traffic.
As the application of ACC controller is more prevalent, the demand to test and the detection of controller also increasingly increases.
In ACC controller development process, in order that controller reaches good performance, it is necessary to carry out radar emission lane testing, for example
Transmission signal power test, temporal signatures test etc., in addition it is also necessary to carry out radar receiving channel test, such as sensitivity test is calculated
Method checking etc..And in integration phase, in addition it is also necessary to the radar sensor to ACC controller carries out quality inspection test, such as basic inspection
Survey performance test, and networking and layout verification of the radar sensor in Full Vehicle System.
Because the laboratory test environment for building ACC controller is extremely difficult, at present, mainly lead to for above-mentioned testing requirement
Cross the mode of real steering vectors and carry out, it is necessary to very big place and substantial amounts of adjustment work, cause testing cost high, during test
Between it is long.
The content of the invention
In view of this, the utility model provides a kind of ACC test platforms based on radar echo simulation, to solve ACC controls
Device laboratory processed test environment builds difficult problem.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of ACC test platforms based on radar echo simulation, including：
Motion rotating table, for carrying ACC controller to be measured；
The radar echo simulator being connected with millimeter-wave systems, the ACC to be measured is received by the millimeter-wave systems
The radar scanning signals that controller is launched, and send echo to the ACC controller to be measured by the millimeter-wave systems
Analog signal；
The host computer being connected with the radar echo simulator and the ACC controller to be measured, is respectively used to described
Radar echo simulator carries out remote control and to the ACC controller activation to be measured and condition monitoring；
Power-supply system, for providing power supply management to the radar echo simulator and the millimeter-wave systems.
Preferably, the above-mentioned ACC test platforms based on radar echo simulation, the millimeter-wave systems include：
Reception antenna, the signal for receiving the ACC controller transmitting to be measured；
Down conversion components, for carrying out frequency-conversion processing to the signal for receiving, the signal after frequency-conversion processing are sent
To the radar echo simulator；
Up-converter, the analogue echoes signal for receiving the radar echo simulator feedback, and to described
Analogue echoes signal carries out frequency-conversion processing；
Transmitting antenna, for the analogue echoes signal after frequency-conversion processing to be transmitted into the ACC controller to be measured；
The down conversion components, the up-converter, the reception antenna and the transmitting antenna are detachable part
Part；
The reception antenna and the transmitting antenna include straight wave guide and waveguide bend.
Preferably, the above-mentioned ACC test platforms based on radar echo simulation, also include：Camera bellows, for accommodating the motion
Turntable, the reception antenna and the transmitting antenna.
Preferably, the above-mentioned ACC test platforms based on radar echo simulation, wherein,
The camera bellows inwall covers absorbing material, and the motion rotating table surface covers absorbing material；
Radiator fan is disposed with the camera bellows, for the ACC controller radiating to be measured.
Preferably, the above-mentioned ACC test platforms based on radar echo simulation, the power-supply system includes：Power management mould
Block and linear power supply module；
The power management module is connected with the linear power supply module, the radar echo simulator respectively, respectively
The linear power supply module and the radar echo simulator provide 220V AC operating voltages；
The linear power supply module is connected with the down conversion components, the up-converter respectively, is the down coversion
Component and the up-converter are provided which 15V DC, the operating voltage of ± 7V DC.
Preferably, the above-mentioned ACC test platforms based on radar echo simulation, also include：Servo electrical machinery system；
The servo electrical machinery system includes：Brushless electric machine, driver, decelerator and absolute position transducer, the servo
Electric system drives the motion rotating table to rotate, for the ACC controller to be measured provides rotary freedom.
Preferably, the above-mentioned ACC test platforms based on radar echo simulation, also include：
The scene being connected with the radar echo simulator, the ACC controller to be measured and the servo electrical machinery system
Simulation computer, the scene simulation built-in computer has simulation model.
Preferably, the above-mentioned ACC test platforms based on radar echo simulation, also include：Rack；
The rack provides 90 pin connectors, carries out signal with outside and is connected,
The interior of equipment cabinet is sequentially arranged the power-supply system, the radar echo simulator, the millimeter from top to bottom
Wave system is united and the camera bellows.
Preferably, the above-mentioned ACC test platforms based on radar echo simulation, the radar echo simulator also includes：Before
Touch-screen display；
The preceding touch-screen display is used for the radar echo simulator local system configuration, goal-setting, emulation
Schema control.
The ACC test platforms based on radar echo simulation that the utility model is provided, can be returned by host computer to radar
Wave simulation device carries out the operations such as remote system configuration, goal-setting, simulation model control, to realize remote control, radar return
Simulator will carry the analogue echoes signal of target information after the radar scanning signals that ACC controller to be measured sends are received
ACC controller to be measured is sent to, function and the performance test of ACC controller is realized, ACC controls have successfully been built in laboratory
The test platform of device processed, system can well meet the demand of ACC controller functional test, effectively reduce testing cost and
Testing time.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to make needed for embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the structural representation of the ACC test platforms based on radar echo simulation that the utility model embodiment one is provided
Figure；
Fig. 2 is the motion rotating table of the ACC test platforms based on radar echo simulation that the utility model embodiment one is provided
Structural representation；
Fig. 3 is the structural representation of the ACC test platforms based on radar echo simulation that the utility model embodiment two is provided
Figure；
Fig. 4 is a kind of structure of the ACC test platforms based on radar echo simulation that the utility model embodiment three is provided
Schematic diagram；
Fig. 5 is another knot of the ACC test platforms based on radar echo simulation that the utility model embodiment three is provided
Structure schematic diagram；
The rack of the ACC test platforms based on radar echo simulation that Fig. 6 is provided for the utility model example IV is installed
Schematic layout pattern.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Embodiment 1
As shown in figure 1, be the utility model proposes a kind of structure of the ACC test platforms based on radar echo simulation show
It is intended to, can includes：Power-supply system 1, radar echo simulator 2, millimeter-wave systems 3, ACC controller 4, motion rotating table to be measured
5 and host computer 6.Wherein, power-supply system 1 includes：Power management module 11 and linear power supply module 12；Millimeter-wave systems 3 include：
Down conversion components 31, up-converter 32, reception antenna 33 and transmitting antenna 34.As shown in Fig. 2 motion rotating table in the present embodiment
5 include X-axis translating device 51, Y-axis translating device 52 and mounting disc 53.
Power management module 11 is connected with linear power supply module 12, radar echo simulator 2 respectively, respectively linear power supply
Module 12, radar echo simulator 2 provide 220V AC operating voltages, and realize the functions such as overvoltage, excessively stream, break-make and jerk, its
In, linear power supply module 12 can carry out linear quadratic control by independent switch.
Linear power supply module 12 is connected with down conversion components 31, up-converter 32 respectively, is down conversion components 31 and upper
Frequency conversion component 32 is provided which 15V DC, the operating voltage of ± 7V DC, and provides short-circuit protection function.
Down conversion components 31 are connected with reception antenna 33 and radar echo simulator 2 respectively, and down conversion components 31 are by connecing
The frequency that receipts antenna 33 launches ACC controller 4 to be measured is letter of the frequency in 8-12G Hz in the signal frequency conversion of 75-78G Hz
Number, export to radar echo simulator 2, realize the reception of the scanning radar waveform of ACC controller 4 to be measured.
The signal of 2 pairs of ACC controllers 4 to be measured of reception of radar echo simulator carries out signature analysis, is tied according to analysis
The target component of fruit and the user input from host computer 6 generates analogue echoes signal corresponding with the target component.
Up-converter 32 is connected with transmitting antenna 34 and radar echo simulator 2 respectively, and up-converter 32 receives thunder
Up to echo simulator 2 output analogue echoes signal, by frequency 8-12G Hz radar echo signal frequency conversion for frequency in 75-
The radar echo signal of 78G Hz, ACC controller 4 to be measured is transmitted to by transmitting antenna 34, realizes radar echo signal
Simulation.
Motion rotating table 5 can provide X-axis translation, Y-axis and translate two freedoms of motion, wherein, X-axis translating device 51 is used
Roller screw translating device, can manually adjust horizontal level, realize ACC controller 4 to be measured tune in the vehicle lateral direction
It is whole.Y-axis translating device 52 uses roller screw translating device, can manually adjust the position of vertical direction, realizes ACC controls to be measured
Adjustment of the device processed 4 in vehicle vertical direction.Mounting disc 53 is arranged on Y-axis translating device 52, for ACC controller to be measured
4 installation, makes ACC controller 4 to be measured be aligned with millimeter-wave systems 3 by the position adjustment of X-axis or Y-axis.
Radar echo simulator 2 is connected with host computer 6, and radar echo simulator 2 can be by standard ethernet and host computer 6
Communication, realizes remote control, to complete remote system configuration, target of the host computer 6 to radar echo simulator 2 in test process
The functions such as setting, simulation model control.
Radar echo simulator 2 can include preceding touch-screen display, be capable of achieving local system configuration, goal-setting, imitate
The functions such as true Schema control, can work independently, and realize manual test and system debug function.
Host computer 6 can also be connected with ACC controller 4 to be measured, realize activation and the state of ACC controller 4 to be measured
Monitoring.
The present embodiment realizes the simulation of the radar echo signal needed for the test process of ACC controller 4 to be measured, upper
Machine 6 carries out remote system configuration to radar echo simulator 2, and carries out goal-setting, or is touched by before radar echo simulator 2
Touching panel type display carries out the configuration of local system；Radar echo simulator 2 receives the parameters of target motion that host computer 6 is set, or
Goal-setting, such as vehicle, bicycle, the distance of pedestrian, speed are carried out by the preceding touch-screen display of radar echo simulator 2
The parameters such as degree, acceleration, size；By the ACC controller 4 to be measured of the real-time reception of reception antenna 33 in millimeter-wave systems 3
Transmission signal, the frequency-conversion processing of downconverted component 31, is analyzed treatment, then by millimeter wave by radar echo simulator 2
After up-converter 32 in system 3 carries out frequency-conversion processing, sent to ACC controller 4 to be measured in real time by transmitting antenna 34
Analogue echoes echo-signal with target information.The system of the present embodiment can realize ACC controller 4 to be measured function and
Performance test, constructs the test environment of ACC controller in laboratory, effectively reduces testing cost and the survey of ACC controller
The examination time, can be used as ACC controller research and development, production, quality inspection and the important tool safeguarded.
Embodiment 2
On the basis of 1 offer system of above-described embodiment, the present embodiment 2 also proposed another based on radar return mould
The ACC test platforms of plan.
As shown in figure 3, the structural representation of the ACC test platforms based on radar echo simulation proposed by the present embodiment
Figure, the present embodiment is connected to servo electrical machinery system 7 on the basis of embodiment 1 on motion rotating table 5, and increased field to platform
Scape simulation computer 8.
Because increased servo electrical machinery system 7 in the present embodiment, X-axis translation, Y-axis in embodiment 1 translate two motions certainly
On the basis of by degree, Y-axis rotary freedom can also be provided.Servo electrical machinery system 7 by brushless electric machine, driver, decelerator and
Absolute position transducer is constituted, and is powered using 24V DC, there is provided pulse, electric current, voltage, encoder such as follow to be controlled at the signal
System, and actual rotational angle signal is fed back using absolute position transducer, absolute position transducer uses CAN communication interface, baud rate
250kbps.Rotary freedom can realize that the anglec of rotation is -40 °~40 °, and maximum (top) speed is 60 °/s, to simulate front vehicles
The motions such as doubling, shifting line, turning, servo electrical machinery system 7 can receive the control instruction of other external equipments, and control instruction includes
Pulse control signal.
Scene simulation computer 8 respectively with radar echo simulator 2, ACC controller 4 and servo electrical machinery system 7 to be measured
It is connected.
Vehicle dynamic model and traffic scene model are run in scene simulation computer 8, model real time execution is in scene
In the CPU of simulation computer 8, it is possible in real time emulated traffic etc. by integrated GE PMC5565 reflective memories interface
The information such as the distance of target, angle, speed and acceleration are sent to radar echo simulator 2 in real time, for radar signal point
Analysis and treatment.
Scene simulation computer 8 can send pulse control signal to servo electrical machinery system 7 so that installed in motion rotating table
ACC controller 4 to be measured on 5 is moved according to the state of vehicle movement.
Additionally, the control that scene simulation computer 8 can also receive the transmission of ACC controller 4 to be measured by CAN refers to
Order, such as vehicle braking, steering；The target information that ACC controller 4 to be measured is detected can feed back to scene simulation computer
Vehicle and scene simulation model in 8.
In the present embodiment, complete to configure the remote system of radar echo simulator 2 by host computer 6, or by radar
The preceding touch-screen display of echo simulator 2 carries out the configuration of local system；Host computer 6 or scene simulation computer 8 respectively can
Target component is sent to radar echo simulator 2, it is also possible to by standard ethernet and reflective memory interface by radar
The preceding touch-screen display of echo simulator 2 carries out goal-setting；ACC controller 4 to be measured sends to radar echo simulator 2
Radar scanning waveform signal, radar echo simulator 2 is entered by the reception antenna 33 and down conversion components 31 in millimeter-wave systems 3
The reception of row sweep waveform and frequency-conversion processing, then by the analogue echoes signal with target information, by millimeter-wave systems 3
Up-converter 32 carry out frequency-conversion processing after ACC controller 4 to be measured is sent to by transmitting antenna 34, so as to realize radar
The simulation of echo-signal；Absolute position transducer in servo electrical machinery system 7 is anti-by the positional information of ACC controller 4 to be measured
Scene simulation computer 8 is fed to, scene simulation computer 8 sends pulse signal, controls ACC to be measured to servo electrical machinery system 7
Device processed 4 is moved, and with the motion of simulating vehicle, for example, is turned to.
The present embodiment not only realizes the simulation of the radar echo signal needed for the test process of ACC controller 4 to be measured,
Scene simulation computer 8 is connected to simultaneously, radar echo simulator 2 can be sent by real-time reception scene simulation computer 8
Vehicle movement parameter and the parameters of target motion, send analogue echoes signal to ACC controller 4 to be measured in real time；And can lead to
Crossing control of the scene simulation computer 8 to servo electrical machinery system 7 drives ACC controller 4 to be measured to move, what simulating vehicle was turned to
Scene；Scene simulation computer 8 also receives control instruction that ACC controller 4 to be measured sends and to be measured by CAN
The target information that ACC controller 4 is detected feeds back to vehicle and scene simulation model in scene simulation computer 8, so that
The closed cycle simulation test environment of complete ACC controller 4 to be measured is constructed in laboratory, can be in the traffic scene of emulation
Under, the various operating modes of simulating vehicle cruise, realize in laboratory to the test of the complete function of ACC controller, performance test and
High-low bias test.Meet well ACC controller functional test and the system integration checking demand, realize component-level and
The closed-loop simulation checking of the electronic apparatus system of vehicle level, is the electronics electricity of the new automobiles such as intelligent vehicle and autonomous driving vehicle
The checking of device integration of equipments provides good test environment.
Embodiment 3
As shown in Figure 4,5, on the basis of above example, further, what the utility model was provided is returned based on radar
The ACC test platforms of wave simulation can also include：Camera bellows 9.
Down conversion components 31 and up-converter 32 can be fixed on camera bellows 9 using mode is horizontally mounted, reception antenna
33 and transmitting antenna 34 camera bellows 9 is probeed into by a straight wave guide and a waveguide bend, realize millimeter-wave systems 3 with it is to be measured
The position of ACC controller 4 aligns.
The inside circumference of camera bellows 9 and the blue absorbing material of upper and lower surface covering, for electromagnetic transmission provides pure areflexia
Electromagnetic environment.The lower inside of camera bellows 9 installs motion rotating table 5 and ACC controller 4 to be measured, in order to reduce electromagnetic wave in camera bellows 9
Multipath reflection effect, the surface of motion rotating table 5 also covers absorbing material.Meanwhile, at least one fan can be arranged in camera bellows 9,
In view of the installation position of each component in camera bellows 9, can will be arranged in the bottom-right location arrangement ventilating fan of camera bellows 9, air from
The position of ACC controller 4 to be measured flows into naturally, is discharged from the lower right position of camera bellows 9, to reach radiating effect.Consider real
Border installation situation, thus it is possible to vary the quantity and installation site of fan, when being worked with meeting the radar scanning of ACC controller 4 to be measured
Radiating requirements.
Embodiment 4
As shown in fig. 6, on the basis of above example, the ACC based on radar echo simulation that the utility model is provided
Test platform can also include：Rack 10, can use 38U expanded letter racks, appearance and size can be 800mm × 900mm ×
1800mm。
Power-supply system 1, radar echo simulator 2, millimeter wave are arranged in accordance with the order from top to bottom in the inside of rack 10
System 3 and camera bellows 9.Camera bellows 9 and rack 10 can use back pullout (BPO) mode, open after the back door of rack 10, can open camera bellows 9
Installation and dismounting of the door to ACC controller 4 to be measured.Additionally, rack 10 provides 90 pin connectors carries out signal company with outside
Connect, there is provided the communication modes and pumping signal of the work of ACC controller 4 to be measured, communication modes such as CAN；Pumping signal
Can be such as power, igniting signal, and provide servo electrical machinery system 7 work control signal, such as power supply, position control,
Monitoring position and enable etc., servo electrical machinery system 7 is by the 90 pin connector to the feedback bit confidence of scene simulation computer 8
Number.
Rack 10 is collected power-supply system 1, radar echo simulator 2, millimeter-wave systems 3 and camera bellows 9 in the present embodiment
Into, and above-mentioned layout type is used, make system have preferably maintainable, layout more reasonable.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the application.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where spirit herein or scope is not departed from.Therefore, the application
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (9)
1. a kind of ACC test platforms based on radar echo simulation, it is characterised in that including：
Motion rotating table, for carrying ACC controller to be measured；
The radar echo simulator being connected with millimeter-wave systems, receives the ACC to be measured and controls by the millimeter-wave systems
The radar scanning signals that device is launched, and send analogue echoes to the ACC controller to be measured by the millimeter-wave systems
Signal；
The host computer being connected with the radar echo simulator and the ACC controller to be measured, is respectively used to the radar
Echo simulator carries out remote control and to the ACC controller activation to be measured and condition monitoring；
Power-supply system, for providing power supply management to the radar echo simulator and the millimeter-wave systems.
2. ACC test platforms based on radar echo simulation according to claim 1, it is characterised in that the millimeter wave
System includes：
Reception antenna, the signal for receiving the ACC controller transmitting to be measured；
Down conversion components, for carrying out frequency-conversion processing to the signal for receiving, institute are sent to by the signal after frequency-conversion processing
State radar echo simulator；
Up-converter, the analogue echoes signal for receiving the radar echo simulator feedback, and to the echo
Analog signal carries out frequency-conversion processing；
Transmitting antenna, for the analogue echoes signal after frequency-conversion processing to be transmitted into the ACC controller to be measured；
The down conversion components, the up-converter, the reception antenna and the transmitting antenna are detachable block；
The reception antenna and the transmitting antenna include straight wave guide and waveguide bend.
3. ACC test platforms based on radar echo simulation according to claim 2, it is characterised in that also include：Secretly
Case, for accommodating the motion rotating table, the reception antenna and the transmitting antenna.
4. ACC test platforms based on radar echo simulation according to claim 3, it is characterised in that
The camera bellows inwall covers absorbing material, and the motion rotating table surface covers absorbing material；
Fan is disposed with the camera bellows, for the ACC controller radiating to be measured.
5. ACC test platforms based on radar echo simulation according to claim 2, it is characterised in that the power supply system
System includes：Power management module and linear power supply module；
The power management module is connected with the linear power supply module, the radar echo simulator respectively, respectively described
Linear power supply module and the radar echo simulator provide 220V AC operating voltages；
The linear power supply module is connected with the down conversion components, the up-converter respectively, is the down conversion components
With the operating voltage that the up-converter is provided which 15V DC, ± 7V DC.
6. ACC test platforms based on radar echo simulation according to claim 1, it is characterised in that also include：Servo
Electric system；
The servo electrical machinery system includes：Brushless electric machine, driver, decelerator and absolute position transducer, the servomotor
System drives the motion rotating table to rotate, for the ACC controller to be measured provides rotary freedom.
7. ACC test platforms based on radar echo simulation according to claim 6, it is characterised in that also include：
The scene simulation being connected with the radar echo simulator, the ACC controller to be measured and the servo electrical machinery system
Computer, the scene simulation built-in computer has simulation model.
8. ACC test platforms based on radar echo simulation according to claim 7, it is characterised in that also include：Machine
Cabinet；
The rack provides 90 pin connectors, carries out signal with outside and is connected.
9. ACC test platforms based on radar echo simulation according to claim 1, it is characterised in that the radar is returned
Wave simulation device also includes：Preceding touch-screen display；
The preceding touch-screen display is used for the radar echo simulator local system configuration, goal-setting, simulation model
Control.
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| CN112114294A (en) * | 2020-09-24 | 2020-12-22 | 北京无线电测量研究所 | Control method and system of radar target simulator |
| CN112986936A (en) * | 2021-03-26 | 2021-06-18 | 南京路眸信息科技有限公司 | Millimeter wave radar testing device |
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| CN107678418A (en) * | 2017-09-21 | 2018-02-09 | 安徽江淮汽车集团股份有限公司 | Adaptive cruise method of testing and device |
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Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 8 / F, block B, No. 11, Anxiang Beili, Chaoyang District, Beijing 100101 Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |