CN110457762A - Test macro and method for vehicle blind zone detection - Google Patents
Test macro and method for vehicle blind zone detection Download PDFInfo
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- CN110457762A CN110457762A CN201910646383.2A CN201910646383A CN110457762A CN 110457762 A CN110457762 A CN 110457762A CN 201910646383 A CN201910646383 A CN 201910646383A CN 110457762 A CN110457762 A CN 110457762A
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Abstract
The embodiment of the invention discloses a kind of test macros and method for vehicle blind zone detection, the test macro includes: host computer, hardware-in-loop simulation platform and the blind area detection system to be measured being arranged on vehicle, host computer, test is generated to instruct and be sent to hardware-in-loop simulation platform, hardware-in-loop simulation platform, the simulating scenes for generating blind area detection are instructed according to test, the status information that virtual vehicle is tested in simulating scenes and the obstacle information in tested virtual vehicle blind area are acquired and sent to blind area detection system to be measured, blind area detection system to be measured, the status information of obstacle information and tested virtual vehicle based on the received, generate blind area detection result, and feed back to host computer.The embodiment of the present invention tests blind area and blind area detection system using the interaction of host computer, hardware-in-loop simulation platform and detection system three in blind area to be measured by constructing simulating scenes, is not influenced by factors such as environment and places, so that test is more comprehensively.
Description
Technical field
The present embodiments relate to the field of test technology more particularly to it is a kind of for vehicle blind zone detection test macro and
Method.
Background technique
With the continuous improvement of economic development and living standard, automobile is increasingly becoming people's lives necessity, however vapour
Vehicle also considerably increases the security risk of people's trip while bringing life convenient.According to statistics, the annual traffic accident in China
500000, in these traffic accidents, the contingency as caused by vehicle blind zone accounts for about 30%.When driving, due to vapour
Vehicle body structure blocks, and even large-sized double curvature rearview mirror not can avoid the blind area at driver side rear yet, this
Just become security risk in the driving link such as doubling.
In the prior art, the test of vehicle blind zone detection system, it is most of to use real vehicle field test, due to real steering vectors
Limitation limited by place larger so that test job not only inefficiency, repeatability is poor, and Test coverage is not complete
The dangerous working condition test of face, especially driving assistance system, bad weather test, hazardous road working condition measurement, rejection condition are surveyed
Examination and fault diagnosis test etc. are difficult to complete in real steering vectors, to can not comprehensively be tested blind area detection system.
Summary of the invention
The embodiment of the present invention provides a kind of test macro and method for vehicle blind zone detection, to solve in the prior art
The problem of blind area detection system can not being tested comprehensively.
In a first aspect, the embodiment of the present invention provides a kind of test macro for vehicle blind zone detection, comprising: host computer,
Hardware-in-loop simulation platform and the blind area detection system to be measured being arranged on vehicle；
The hardware-in-loop simulation platform is connect with the host computer and the blind area detection system to be measured respectively, it is described on
Position machine is also connect with the blind area detection system to be measured；
The host computer, for generating test instruction and being sent to the hardware-in-loop simulation platform；
The hardware-in-loop simulation platform, for generating the simulating scenes of blind area detection, acquisition according to the test instruction
And send the status information for being tested virtual vehicle in the simulating scenes and the barrier in the tested virtual vehicle blind area
Information gives the blind area detection system to be measured；
The blind area detection system to be measured is believed for the state of obstacle information based on the received and tested virtual vehicle
Breath generates blind area detection result, and the blind area detection result is fed back to the host computer.
Second aspect, the embodiment of the present invention also provide a kind of test method for vehicle blind zone detection, comprising:
Host computer generates test and instructs and be sent to hardware-in-loop simulation platform；
The hardware-in-loop simulation platform generates the simulating scenes of blind area detection according to the test instruction, acquires and sends
The status information of virtual vehicle is tested in the simulating scenes and the obstacle information in the tested virtual vehicle blind area is given
Blind area detection system to be measured；
The status information of the blind area detection system to be measured obstacle information and tested virtual vehicle based on the received generates
Blind area detection result, and the blind area detection result is fed back into the host computer.
The embodiment of the present invention provides a kind of test macro and method for vehicle blind zone detection, which includes:
Host computer, hardware-in-loop simulation platform and the blind area detection system to be measured being arranged on vehicle, hardware-in-loop simulation platform point
It is not connect with host computer and blind area detection system to be measured, host computer is also connect with blind area detection system to be measured, host computer, for giving birth to
Hardware-in-loop simulation platform is instructed and is sent at test, and hardware-in-loop simulation platform generates blind area for instructing according to test
The simulating scenes of detection acquire and send the status information for being tested virtual vehicle in simulating scenes and tested virtual vehicle blind area
Interior obstacle information gives blind area detection system to be measured, blind area detection system to be measured, for obstacle information based on the received and
The status information of tested virtual vehicle, generates blind area detection result, and blind area detection result is fed back to host computer.With existing skill
Art is compared, and the embodiment of the present invention is visited by building simulating scenes using host computer, hardware-in-loop simulation platform and blind area to be measured
The information exchange of examining system three tests blind area and blind area detection system, is not influenced by factors such as environment and places,
So that test is more comprehensively.
Detailed description of the invention
Fig. 1 is a kind of structure chart for test macro for vehicle blind zone detection that the embodiment of the present invention one provides；
Fig. 2 is a kind of structure chart of host computer provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of interaction of hardware-in-loop simulation platform and blind area detection system to be measured provided by Embodiment 2 of the present invention
Schematic diagram；
Fig. 4 is the friendship of another hardware-in-loop simulation platform and blind area detection system to be measured provided by Embodiment 2 of the present invention
Mutual schematic diagram；
Fig. 5 is a kind of flow chart for test method for vehicle blind zone detection that the embodiment of the present invention three provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.In addition, in the absence of conflict, this
The feature in embodiment and embodiment in invention can be combined with each other.
Embodiment one
Fig. 1 is a kind of structure chart for test macro for vehicle blind zone detection that the embodiment of the present invention one provides, this reality
It applies example and is applicable to test case to blind area detection system, specifically, the test macro includes: that host computer 1, hardware in loop are imitative
True platform 2 and the blind area detection system 3 to be measured being arranged on vehicle；
Hardware-in-loop simulation platform 2 is connect with host computer 1 and blind area detection system 3 to be measured respectively, host computer 1 also with it is to be measured
Blind area detection system 3 connects；
Host computer 1, for generating test instruction and being sent to hardware-in-loop simulation platform 2；
Hardware-in-loop simulation platform 2 is acquired and is sent imitative for instructing the simulating scenes for generating blind area detection according to test
It is tested the status information of virtual vehicle in true scene and the obstacle information in tested virtual vehicle blind area is visited to blind area to be measured
Examining system 3；
Blind area detection system 3 to be measured, it is raw for the status information of obstacle information based on the received and tested virtual vehicle
Host computer 1 is fed back at blind area detection result, and by blind area detection result.
Specifically, host computer 1 is the computer that can directly issue manipulation command, refer in the present embodiment for generating test
It enables and is sent to hardware-in-loop simulation platform.Test instruction is parameter information needed for generation simulating scenes, the parameter information packet
Include the object in the generation instruction of tested virtual vehicle and the basic parameter of tested virtual vehicle, tested virtual vehicle certain area
Information, the embodiments such as basic parameter, measurement condition and the testing procedure of instruction and respective objects is generated to claim the certain area
The blind area of virtual vehicle is tested for this, the blind area of the tested virtual vehicle is it is known that the object in blind area is known as barrier, the obstacle
Object can be vehicle, be also possible to non-vehicle.The basic parameter of tested virtual vehicle include position, speed, driving direction and
The information such as acceleration, the basic parameter of barrier include the quantity of barrier, state, at a distance from tested virtual vehicle and angle
Etc. information.Measurement condition is environment needed for test, may include the work of the unsuitable real steering vectors such as hazardous road or bad weather
Condition and conventional operating condition suitable for real steering vectors.Measurement condition and testing procedure, which can according to need, to be updated.It needs
Illustrate, the basic parameter of tested virtual vehicle and the essential information of barrier are not fixed, i.e., tested virtual vehicles
The information such as position, speed, acceleration and the quantity of barrier, state and information are at a distance from tested virtual vehicle etc.
Change in real time.Host computer 1 can obtain tested virtual vehicle and obstacle by interacting with hardware-in-loop simulation platform 2 in real time
The essential information of object.
Hardware-in-loop simulation platform (Hardware-in-the-Loop Platform, abbreviation HIL emulation platform) 2 bases
The test instruction that host computer is sent generates the simulating scenes of blind area detection.Simulating scenes are the actual traffic scene of simulation, emulation
It include tested virtual vehicle, barrier and measurement condition in scene.Specifically, hardware-in-loop simulation platform 2 is based on the received
The generation instruction of tested virtual vehicle and corresponding basic parameter generate tested virtual vehicle according to preset auto model
, according to the generation of barrier instruction and corresponding basic parameter dyspoiesis object, based on the received measurement condition building detection
Environment generates the simulating scenes of animation as a result, to simulate actual traffic scene, and auxiliary is completed to tested virtual vehicle blind area
Detection.
The status information of tested virtual vehicle be the driving information for being tested virtual vehicle, including position, speed and
The information such as driving direction.Obstacle information is the essential information of barrier, quantity, state including barrier, with it is tested virtual
The information such as the distance and angle of vehicle.When detection, hardware-in-loop simulation platform 2 obtain tested virtual vehicle status information and
Obstacle information in blind area, and status information and obstacle information are sent to blind area detection system 3 to be measured, so as to be measured blind
Area's detection system 3 determines detection result according to status information and obstacle information, wherein the status information of tested virtual vehicle can
To be acquired by the Virtual Controller in hardware-in-loop simulation platform 2, obstacle information can be by being arranged in tested virtual vehicle
Virtual radar sensor acquisition.
It should be noted that true radar passes in the installation site and setting angle and real vehicles of virtual radar sensor
The installation site of sensor is consistent with setting angle, is tested the ginseng such as length, width and height of the parameters such as the length, width and height of virtual vehicle and real vehicles
Number is consistent, consistent with real steering vectors result to guarantee simulation result, such as when practical application, true radar sensor includes principal and subordinate
Structure, virtual radar sensor is also classified into host-guest architecture, and the host-guest architecture of virtual radar sensor and true radar sense
The host-guest architecture of device is consistent, wherein is only responsible for acquiring the quantity of barrier, state from virtual radar sensor and be tested virtual
The information such as the distance and angle of vehicle, the interaction etc. about the processing of information and with host computer 1 and blind area detection system 3 to be measured
It is to be completed in the virtual radar sensor of master.The type of radar sensor can according to need selection, and embodiment is with millimetre-wave radar
For sensor, i.e., true radar sensor and virtual radar sensor are millimetre-wave radar sensor.Due to being virtual
Simulating scenes in test, therefore the detection of the operating conditions such as hazardous road or bad weather can be completed, compensate for real steering vectors survey
Try incomplete defect.
Blind area detection system 3 to be measured is arranged in real vehicles, and the state for being tested virtual vehicle based on the received is believed
Obstacle information in breath and blind area determines blind area detection result, to complete the detection to blind area, wherein blind area detection result
It is main to include whether the information of the barrier detected in blind area and the barrier constitute danger etc. to tested virtual vehicle.This
Outside, blind area detection system 3 to be measured is also communicated with the foundation of host computer 1, blind area detection result is fed back to host computer 1, host computer 1 is
Blind area detection result can be tested by blind area detection system 3 to be measured based on the received, to assess blind area detection system 3 to be measured
Whether blind area detection result is accurate, and then assesses the test performance of blind area detection system 3 to be measured.
Optionally, host computer 1 is connect with hardware-in-loop simulation platform 2 and blind area detection system 3 to be measured by Ethernet, firmly
Part assemblage on-orbit platform 2 and blind area detection system 3 to be measured pass through CAN (Controller Area Network, controller local
Net network) bus connects with rigid line.It is imitated specifically, host computer 1 is sent to hardware in loop according to testing requirement generation test instruction
True platform 2, hardware-in-loop simulation platform 2 generate virtual simulating scenes, quilt in real-time gathering simulation scene according to test instruction
The status information for surveying virtual vehicle and the obstacle information in blind area, and status information and obstacle information is total by CAN
Line is sent to blind area detection system 3 to be measured, and status information and obstacle information determine blind area detection system 3 to be measured based on the received
Blind area detection result completes the detection of blind area.In addition, the simulating scenes that hardware-in-loop simulation platform 2 will additionally generate are sent to
Position machine 1, determining blind area detection result is also fed back to host computer by blind area detection system 3 to be measured, so that host computer 1 is according to emulation
The blind area detection result that scene determines blind area detection system 3 to be measured is evaluated and tested, and then is carried out to blind area detection system 3 to be measured
Evaluation and test.
The embodiment of the present invention one provides a kind of test macro for vehicle blind zone detection, comprising: host computer, hardware in loop
Emulation platform and the blind area detection system to be measured being arranged on vehicle, hardware-in-loop simulation platform respectively with host computer and to be measured
The connection of blind area detection system, host computer are also connect with blind area detection system to be measured, host computer, for generating test instruction and sending
To hardware-in-loop simulation platform, hardware-in-loop simulation platform is adopted for instructing the simulating scenes for generating blind area detection according to test
Collect and send the status information that virtual vehicle is tested in simulating scenes and obstacle information in tested virtual vehicle blind area to
Blind area detection system to be measured, blind area detection system to be measured, the shape for obstacle information based on the received and tested virtual vehicle
State information generates blind area detection result, and blind area detection result is fed back to host computer.Compared with prior art, the present invention is real
Example is applied by building simulating scenes, utilizes the letter of host computer, hardware-in-loop simulation platform and detection system three in blind area to be measured
Breath interaction, tests blind area and blind area detection system to be measured, is not influenced by factors such as environment and places, so that test is more
Comprehensively.
Embodiment two
The present embodiment is to be improved and refined on the basis of the above embodiments.On the basis of the above embodiments, join
Fig. 1 is examined, host computer 1 is also used to:
Receive the scene information for the simulating scenes that hardware-in-loop simulation platform 2 is fed back；
According to scene information and blind area detection result, blind area detection system to be measured is commented in conjunction with default interpretational criteria
It surveys.
Scene information be the information of the actual traffic scene of simulation, including tested virtual vehicle, corresponding status information with
And obstacle information etc..Interpretational criteria is the blind area detection knot generated for evaluating and testing blind area detection system 3 to be measured pre-established
Whether fruit is accurate.Specifically, after hardware-in-loop simulation platform 2 generates simulating scenes, it will be anti-by Ethernet comprising scene information
It feeds host computer 1, host computer 1 combines default interpretational criteria to evaluate and test blind area detection result according to scene information, determines it
It is whether accurate, and then whether the performance for evaluating and testing blind area detection system 3 to be measured meets performance indicator requirement, visits for subsequent blind area to be measured
The improvement of examining system 3 provides foundation.
It on the basis of the above embodiments, is a kind of knot of host computer provided by Embodiment 2 of the present invention with reference to Fig. 2, Fig. 2
Composition, host computer 1 include database module 11, cycle tests module 12, test module 13 and animation display module 14.Data
Library module 11 is for parameter needed for storing test blind area detection system 3 to be measured.Cycle tests module 12 is for generating test step
Suddenly, which includes evaluation and test step and the subtest blind area detection to be measured system that host computer 1 evaluates and tests blind area detection result
System 3 completes the detection steps of blind area detection.Whether test module 13 is accurate for testing blind zone detection result and evaluation and test is to be measured
Whether the performance of blind area detection system 3 meets performance indicator requirement, and generates corresponding test report, to facilitate user to check.
Animation display module 14 is tested position and corresponding traffic scene of the virtual vehicle in simulating scenes for Dynamically Announce.
Wherein, database module 11 includes basic function library 111, measurement condition library 112, interpretational criteria library 113, test ginseng
Number library 114 and test case library 115.Basic function library 111 is for storing interaction protocol, interactive component scripting language grammer group
The information such as part and test data record component.Various operating conditions needed for measurement condition library 112 is used to store test.Interpretational criteria
Library 113 can evaluate and test whether the information such as corresponding result or performance meet according to evaluation and test foundation for storing evaluation and test foundation
Index.Various parameters needed for test parameter library 114 is used to store test.Test case library 115 is for storing complete test
Use-case.Specifically, host computer 1 carries out performance index decomposition according to testing requirement, by measurement condition library 112 and test parameter library
114 determine corresponding measurement condition and test parameter, and cycle tests module 12 calls 111 He of basic function library according to measurement condition
Interpretational criteria library 113 generates testing procedure, so that test module 13 is based on testing procedure and evaluates and tests to blind area detection result.
On the basis of the above embodiments, with reference to Fig. 1, blind area detection system 3 to be measured is also used to:
According to the blind area detection result, corresponding alarm is issued, and warning information is fed back into host computer 1, so that on
Position machine 1 evaluates and tests blind area detection system 3 to be measured according to the warning information.
Illustratively, if blind area detection result is moving for barrier and tested virtual vehicle, and barrier and quilt
The distance for surveying virtual vehicle reduces, and it is dangerous to show that barrier constitutes tested virtual vehicle, needs that driver is reminded to slow down or stop
Only move.Embodiment is by taking alarm as an example, and when there is above situation, blind area detection system 3 to be measured is sounded an alarm, and is driven with reminding
There is currently security risks by member.Optionally, it can be alarmed by rearview mirror alarm lamp, for example, working as left-hand mirror alarm lamp
When bright, show that vehicle left is dangerous, should stop running to the left.The setting of alarm can remind in time driver there is currently
Security risk ensures safety.
It on the basis of the above embodiments, is that a kind of hardware in loop provided by Embodiment 2 of the present invention is imitative with reference to Fig. 3, Fig. 3
The interaction schematic diagram of true platform and blind area detection system to be measured.Specifically, hardware-in-loop simulation platform 2 includes: real-time processor
21 and controller local area network's CAN board 22；
Blind area detection system 3 to be measured includes: blind area controller for detection 31；
Real-time processor 21 is connect with CAN board 22 by PXIe bus, and CAN board 22 and blind area controller for detection 31 are logical
Cross CAN bus connection；
Real-time processor 21, for acquiring the status information of tested virtual vehicle and the obstacle of tested virtual vehicle blind area
Object information, and status information and obstacle information are sent to blind area controller for detection 31 by CAN board 22；
Blind area controller for detection 31 generates blind area detection result for status information and obstacle information based on the received,
And blind area detection result is sent to host computer 1.
For the setting of real-time processor 21 in tested virtual vehicle, the test instruction sent according to host computer 1 generates emulation field
Obstacle information in the status information and blind area of scape and the tested virtual vehicle of acquisition.With reference to Fig. 3, deposited in real-time processor 21
Virtual Controller 211, vehicle dynamic model 212 and virtual radar sensor model 213 are contained, is sent according to host computer 1
Test instruction, generated in conjunction with Virtual Controller 211, vehicle dynamic model 212 and virtual radar sensor model 213 imitative
True scene, and real-time exhibition is tested position and the athletic posture of virtual vehicle.It include tested virtual in vehicle dynamic model 212
Vehicle can simulate the various athletic postures of actual vehicle, and Virtual Controller 211 is interacted with vehicle dynamic model 212, acquisition
The status information of tested virtual vehicle.The virtual radar sensor setting that virtual radar sensor model 213 represents is in tested void
On quasi- vehicle, for acquiring the obstacle information in tested virtual vehicle blind area.
Specifically, real-time processor 21 passes through the status information for the tested virtual vehicle that Virtual Controller 211 acquires
PXIe bus transfer is transmitted to blind area controller for detection by CAN bus by second channel to the second channel of CAN board 22
31, and obstacle information that virtual radar sensor is acquired is by the first passage of PXIe bus transfer to CAN board 22,
Blind area controller for detection 31 is transmitted to by CAN bus by first passage.Blind area controller for detection 31 based on the received believe by state
Breath and obstacle information can disturbance in judgement object whether danger is constituted to tested virtual vehicle, generate corresponding blind area detection knot
Fruit.Blind area controller for detection 31 is also used to the blind area detection result of generation feeding back to host computer 1, so that host computer 1 is blind to this
Area's detection result evaluate and test and blind area detection result is sent to real-time processor by the third channel of CAN board 22
21, blind area detection result is checked will pass through hardware-in-loop simulation platform 2.It should be noted that CAN board 22 in embodiment
First passage is the channel 1 of CAN board 22 in Fig. 3, and second channel and third channel respectively correspond channel 2 and channel 3.
On the basis of the above embodiments, with continued reference to Fig. 3, blind area detection system 3 to be measured further include: warning light 32；
Warning light 32 is connect with blind area controller for detection 31 by rigid line；
Blind area controller for detection 31 is also used to when the obstacle information meets alert consitions with the status information,
Control warning light 32 sounds an alarm.
Warning light 32 is used to carry out alarm when barrier constitutes dangerous to tested virtual vehicle to remind driver current
Existing danger.Warning light 32 in embodiment includes left outside rearview mirror warning light 321 and right outside rear-view mirror warning light 322, a left side
Outside rear-view mirror warning light 321 and right outside rear-view mirror warning light 322 are connect with blind area controller for detection 31 respectively by rigid line.Work as barrier
When object information and status information being hindered to meet alert consitions, blind area controller for detection 31 controls left outside rearview mirror warning light 321 or the right side
Outside rear-view mirror warning light 322 sounds an alarm.Wherein, alert consitions can be set according to actual needs, and embodiment is without limiting.
Such as it can be barrier and tested virtual vehicle is in motion state, and barrier is less than at a distance from tested virtual vehicle
Set distance.Be also possible to barrier to remain static, tested virtual vehicle is kept in motion, and tested virtual vehicle with
The distance of barrier is less than set distance.
On the basis of the above embodiments, with continued reference to Fig. 3, hardware-in-loop simulation platform 2 further include: signal condition board
23 and input and output I/O board 24；
Real-time processor 21 is connect with I/O board 24 by PXIe bus, and signal condition board 23 is detected with blind area respectively
Controller 31 is connected with I/O board 24 by rigid line, and I/O board 24 is also connect with warning light 32 by rigid line；
Blind area controller for detection 31, specifically for meeting alert consitions when the obstacle information and the status information
When, it generating I/O and controls signal, the I/O control signal controls I/O board 24 after the conditioning of signal condition board 23, with
Start warning light 32 and carries out alarm；
Real-time processor 21 is also used to the switching-state information by 24 back production warning light 32 of I/O board, and according to described
Switching-state information adjusts the switch state that warning light in virtual vehicle is tested in the simulating scenes.
Signal condition board 23 is used to improve the I/O control signal of the output of blind area controller for detection 31, so that after conditioning
I/O control signal meets the needs of I/O board 24, ensures being normally carried out for detection.I/O (Input/Output, input/output)
Board 24 is used to control the switch state of warning light 32.Specifically, when blind area controller for detection 31 determines barrier and tested void
It when quasi- vehicle meets alert consitions, generates I/O and controls signal, after improving through signal condition board 23, control I/O board 24,
Alarm is carried out to start warning light 32.In addition, real-time processor 21 is also connect with I/O board 24 by PXIe bus, back production is alert
The switch state of lamp 32 is reported, and adjusts the switch shape for being tested warning light in virtual vehicle in simulating scenes according to the switch state
State is according to the state that simulating scenes evaluate and test warning light 32 convenient for user with the state of the analog alarm lamp 32 in simulating scenes
It is no correct.Real-time processor 21 is also used to feed back to the state of the switch state of the warning light 32 of back production and warning light 32
Position machine 1, so that host computer 1 evaluates and tests the alarm result.
It on the basis of the above embodiments, is another hardware in loop provided by Embodiment 2 of the present invention with reference to Fig. 4, Fig. 4
The interaction schematic diagram of emulation platform and blind area detection system to be measured.Specifically, hardware-in-loop simulation platform 2 further include: failure note
Enter board 25；
Direct fault location board 25 is connect with CAN board 22 and blind area controller for detection 31 by CAN bus respectively；
Real-time processor 21 is also used to the fault condition of generation being transmitted to failure by the second channel of CAN board 22
Inject board 25；
Direct fault location board 25 is transmitted for generating the fault-signal of the corresponding fault condition, and by first passage
To blind area controller for detection 31；
Blind area controller for detection 31 is also used to fault-signal based on the received and carries out fault detection, obtains fault detection knot
Fruit simultaneously feeds back to host computer 1, so that host computer 1 evaluates and tests blind area detection system 3 to be measured according to the failure detection result.
Direct fault location board 25 in embodiment is for assisting to blind area controller for detection 31, warning light 32 and true thunder
Fault detection is carried out up to sensor 33.It is instructed specifically, host computer 1 generates corresponding fault detection according to fault detection demand,
And it is sent to real-time processor 21, real-time processor 21 instructs according to fault detection and generates fault condition, wherein fault condition packet
Include 32 shorted to earth of warning light, to power supply short circuit, open circuit, true radar sensor open circuit and to the letter of Virtual Controller 211
Number shielding etc., fault condition is transmitted to direct fault location board 25 by real-time processor 21, simulate corresponding failure, blind area detect
Fault detection is completed under the action of controller 31.
Illustratively, fault detection is carried out to blind area controller for detection 31.Real-time processor 21 will shield Virtual Controller
211 signal injects the first passage of direct fault location board 25, simulation as fault condition by the second channel of CAN board 22
The status information for the tested virtual vehicle that Virtual Controller 211 acquires is shielded, direct fault location board 25 is raw according to the fault condition
It is transmitted to blind area controller for detection 31 at corresponding fault-signal, and by first passage, if blind area controller for detection at this time
31 input signal is not lost, then shows that blind area controller for detection 31 is abnormal.Blind area controller for detection 31 is also used to examine failure
It surveys result and feeds back to host computer 1, so that host computer 1 comments blind area detection system 3 to be measured according to the failure detection result
It surveys.
On the basis of the above embodiments, with continued reference to Fig. 4, direct fault location board 25 also passes through with signal condition board 23
Rigid line connection；
Blind area controller for detection 31 is also used to the warning light fault condition of generation being transmitted to direct fault location board 25；
Direct fault location board 25, is also used to generate the warning light fault-signal of the corresponding warning light fault condition, and leads to
It crosses second channel and is transmitted to signal condition board 23, so that the warning light fault-signal passes through signal condition board 23 and I/O
Board 24 controls warning light；
Real-time processor 21 is also used to status information of the back production warning light 32 under warning light fault-signal control.
Illustratively, by taking the open circuit of warning light 32 as an example.Blind area controller for detection 31 generates warning light depending on the user's operation
Open-circuit fault condition, is transmitted to the second channel of direct fault location board 25, and direct fault location board 25 is based on warning light open-circuit fault
Condition generates open-circuit fault signal, and is transmitted to signal condition board 23 by second channel, so that open-circuit fault signal passes through
Signal condition board 23 and I/O board 24 control warning light 32.Real-time processor 21 acquires the shape of warning light 32 in real time
State shows that warning light 32 breaks down if warning light 32 still sounds an alarm in the open circuit condition.Other events of warning light 32
The detection of barrier condition is similar, and details are not described herein again.Real-time processor 21 is also used to the state by fault condition and warning light 32
Host computer 1 is fed back to, so that host computer 1 evaluates and tests failure detection result.
On the basis of the above embodiments, with continued reference to Fig. 4, hardware-in-loop simulation platform 2 further include: relay 26；
Blind area test macro 3 to be measured, further includes: true radar sensor 33；
The first passage and direct fault location board 25 with true radar sensor 33, CAN board 22 respectively of relay 26
Third channel pass through CAN bus connect；
Blind area controller for detection 31 is also used to the radar fault condition injected according to 25 third channel of direct fault location board,
Fault detection is carried out to true radar sensor 33, and the failure detection result of true radar sensor 33 is fed back into host computer
1, so that host computer 1 evaluates and tests blind area detection system 3 to be measured according to the failure detection result of true radar sensor 33.
Direct fault location board 25 can also carry out fault detection to true radar sensor 33.Specifically, working as relay 26
When connecting with true radar sensor 33, corresponding fault condition is injected by the third channel in direct fault location board 25
Fault detection is carried out to true radar sensor 33 by blind area controller for detection 31.Blind area controller for detection 31 is also used to will be true
The failure detection result of real radar sensor 33 feeds back to host computer 1, so that host computer 1 is according to the failure detection result to be measured
Blind area detection system 3 is evaluated and tested.It should be noted that when relay 26 is connect with the first passage of CAN board 22, failure
Injection board 25 is equivalent to transmission medium for virtual radar sensor, i.e. obstacle information passes through the first of CAN board
The third channel of channel and direct fault location board 25 is transmitted to blind area controller for detection 31.The present embodiment is sensed using virtual radar
Device can make the detection of blind area more comprehensively, compared to real steering vectors, greatly reduce test period and cost, improve survey
Try efficiency.
On the basis of the above embodiments, hardware-in-loop simulation platform 2 further include: programmable power supply 27, programmable power supply 27 with
Blind area controller for detection 31 connects, for powering for blind area controller for detection 31.
Test macro provided in this embodiment for vehicle blind zone detection, in addition to completing blind area detection system to be measured not
Outside the basic tests of scenes such as same speed, different weather, different roads, true radar can also be passed by direct fault location board
Sensor, blind area controller for detection and warning light etc. carry out fault detection, solve in the prior art by manpower testing efficiency
It is low, risk is high, test it is not comprehensive the problems such as.
Embodiment three
Fig. 5 is a kind of flow chart for test method for vehicle blind zone detection that the embodiment of the present invention three provides, the party
Method can be applied in the test macro provided by the above embodiment for vehicle blind zone detection, specifically, this method includes such as
Lower step:
S310, host computer generate test and instruct and be sent to hardware-in-loop simulation platform.
S320, the hardware-in-loop simulation platform generate the simulating scenes of blind area detection, acquisition according to the test instruction
And send the status information for being tested virtual vehicle in the simulating scenes and the barrier in the tested virtual vehicle blind area
Information gives blind area detection system to be measured.
The state of obstacle information and tested virtual vehicle is believed based on the received for S330, the blind area detection system to be measured
Breath generates blind area detection result, and the blind area detection result is fed back to the host computer.
The embodiment of the present invention three provides a kind of test method for vehicle blind zone detection, and host computer generates test instruction simultaneously
It is sent to the hardware-in-loop simulation platform, hardware-in-loop simulation platform generates the emulation that blind area detects according to the test instruction
Scene, acquire and send in the simulating scenes be tested virtual vehicle status information and the tested virtual vehicle blind area in
Obstacle information give blind area detection system to be measured, blind area detection system to be measured obstacle information and tested virtual based on the received
The status information of vehicle generates blind area detection result, and the blind area detection result is fed back to the host computer.With existing skill
Art is compared, and the embodiment of the present invention is visited by building simulating scenes using host computer, hardware-in-loop simulation platform and blind area to be measured
The information exchange of examining system three tests blind area and blind area detection system, is not influenced by factors such as environment and places,
So that test is more comprehensively.
Specific test process can refer to above-described embodiment, and this embodiment is not repeated.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of test macro for vehicle blind zone detection characterized by comprising host computer, hardware-in-loop simulation platform
And the blind area detection system to be measured on vehicle is set；
The hardware-in-loop simulation platform is connect with the host computer and the blind area detection system to be measured respectively, the host computer
Also it is connect with the blind area detection system to be measured；
The host computer, for generating test instruction and being sent to the hardware-in-loop simulation platform；
The hardware-in-loop simulation platform, for generating the simulating scenes of blind area detection according to the test instruction, acquisition is concurrent
Send the status information for being tested virtual vehicle in the simulating scenes and the obstacle information in the tested virtual vehicle blind area
To the blind area detection system to be measured；
The blind area detection system to be measured, it is raw for the status information of obstacle information based on the received and tested virtual vehicle
The host computer is fed back at blind area detection result, and by the blind area detection result.
2. system according to claim 1, which is characterized in that the host computer is also used to:
Receive the scene information of the simulating scenes of the hardware-in-loop simulation platform feedback；
According to the scene information and blind area detection result, the blind area detection system to be measured is carried out in conjunction with default interpretational criteria
Evaluation and test.
3. system according to claim 1, which is characterized in that the blind area detection system to be measured is also used to:
According to the blind area detection result, corresponding alarm is issued, and warning information is fed back into the host computer, so that described
Host computer evaluates and tests the blind area detection system to be measured according to the warning information.
4. system according to claim 1, which is characterized in that the hardware-in-loop simulation platform includes: real-time processor
With controller local area network's CAN board；
The blind area detection system to be measured includes: blind area controller for detection；
The real-time processor is connect with the CAN board by PXIe bus, and the CAN board and blind area detection control
Device is connected by CAN bus；
The real-time processor, for acquire the tested virtual vehicle status information and the tested virtual vehicle blind area
Obstacle information, and the status information and obstacle information are sent to the blind area detection control by the CAN board
Device processed；
The blind area controller for detection generates blind area detection result for status information and obstacle information based on the received, and
The blind area detection result is sent to the host computer.
5. system according to claim 4, which is characterized in that the blind area detection system to be measured further include: warning light；
The warning light is connect with the blind area controller for detection by rigid line；
The blind area controller for detection is also used to the control when the obstacle information meets alert consitions with the status information
The warning light is made to sound an alarm.
6. system according to claim 5, which is characterized in that the hardware-in-loop simulation platform further include: signal condition
Board and input and output I/O board；
The real-time processor is connect with the I/O board by PXIe bus, the signal condition board respectively with it is described blind
Area's controller for detection is connected with I/O board by rigid line, and the I/O board is also connect with the warning light by rigid line；
The blind area controller for detection, specifically for when the obstacle information and the status information meet alert consitions,
It generating I/O and controls signal, the I/O control signal controls the I/O board after signal condition board conditioning,
Alarm is carried out to start the warning light；
The real-time processor is also used to the switching-state information by warning light described in the I/O board back production, and according to institute
It states switching-state information and adjusts the switch state for being tested warning light in virtual vehicle in the simulating scenes.
7. system according to claim 6, which is characterized in that the hardware-in-loop simulation platform further include: direct fault location
Board；
The direct fault location board is connect with the CAN board and blind area controller for detection by CAN bus respectively；
The real-time processor is also used to for the fault condition of generation being transmitted to by the second channel of the CAN board described
Direct fault location board；
The direct fault location board for generating the fault-signal of the corresponding fault condition, and is transmitted to by first passage
The blind area controller for detection；
The blind area controller for detection is also used to fault-signal based on the received and carries out fault detection, obtains failure detection result
And feed back to the host computer so that the host computer according to the failure detection result to the blind area detection system to be measured into
Row evaluation and test.
8. system according to claim 7, which is characterized in that the direct fault location board also with the signal condition board
It is connected by rigid line；
The blind area controller for detection is also used to the warning light fault condition of generation being transmitted to the direct fault location board；
The direct fault location board, is also used to generate the warning light fault-signal of the corresponding warning light fault condition, and passes through
Second channel is transmitted to the signal condition board, so that the warning light fault-signal passes through the signal condition board and institute
I/O board is stated to control the warning light；
The real-time processor is also used to status information of the back production warning light under warning light fault-signal control.
9. system according to claim 7, which is characterized in that the hardware-in-loop simulation platform further include: relay；
The blind area test macro to be measured, further includes: true radar sensor；
The relay first passage and the direct fault location with the true radar sensor, the CAN board respectively
The third channel of board is connected by CAN bus；
The blind area controller for detection is also used to the radar fault condition injected according to the direct fault location board third channel,
Fault detection is carried out to the true radar sensor, and the failure detection result of the true radar sensor is fed back into institute
Host computer is stated, so that the host computer detects the blind area to be measured according to the failure detection result of the true radar sensor
System is evaluated and tested.
10. a kind of test method for vehicle blind zone detection characterized by comprising
Host computer generates test and instructs and be sent to hardware-in-loop simulation platform；
The hardware-in-loop simulation platform generates the simulating scenes of blind area detection according to the test instruction, acquires and sends described
The status information of virtual vehicle and the obstacle information in the tested virtual vehicle blind area are tested in simulating scenes to be measured
Blind area detection system；
The status information of the blind area detection system to be measured obstacle information and tested virtual vehicle based on the received generates blind area
Detection result, and the blind area detection result is fed back into the host computer.
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