CN115684768A - Real vehicle test system with traffic sign recognition function - Google Patents
Real vehicle test system with traffic sign recognition function Download PDFInfo
- Publication number
- CN115684768A CN115684768A CN202211238259.0A CN202211238259A CN115684768A CN 115684768 A CN115684768 A CN 115684768A CN 202211238259 A CN202211238259 A CN 202211238259A CN 115684768 A CN115684768 A CN 115684768A
- Authority
- CN
- China
- Prior art keywords
- test
- traffic sign
- vehicle
- recognition function
- sign recognition
- 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.)
- Pending
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The invention discloses a traffic sign recognition function real vehicle test system, which is characterized by comprising the following components: power supply conversion equipment, host computer, display, ethernet switch, preceding camera, indoor audio acquisition mike, vehicle battery, measured control ware based on actual road environment for the test result can characterize the actual performance of system, satisfies the tester and marks the test and the evaluation demand of recognition function to the traffic, has alleviateed the work load of tester post processing data, has optimized the traffic and has marked recognition function's efficiency of software testing and quality.
Description
Technical Field
The invention relates to the field of automobile electrical testing, in particular to a real automobile testing system with a traffic sign recognition function.
Background
With the development of the intelligent networking equipment technology, various networking equipment is gradually released by all large automobile manufacturers in the latest automobile models. The traffic sign recognition function carries out road traffic sign recognition in a mode of collecting external environment information through an intelligent camera, and after recognition is finished, a driver is prompted on an instrument or a sound screen interface in a mode of images and sounds.
The newly-added driving auxiliary equipment brings brand-new challenges to the automobile electrical function test work, and most of the driving auxiliary equipment intensively uses a video camera bellows to be matched with a single piece of a camera to carry out virtual simulation verification aiming at the verification of the traffic sign identification function, although the verification of basic function logic, such as typical image identification and alarm, can be realized. However, because the simulation model has an ideal characteristic and various complicated possibilities exist in the actual road, the result of the test mode of the video camera obscura cannot completely replace the performance of the actual vehicle in the real external road environment. The existing real vehicle testing method needs to solve a series of problems that different types of testing data are difficult to synchronize, data formats are differentiated and the like, and no clear evaluation principle exists after testing is finished.
Disclosure of Invention
The invention discloses a traffic sign recognition function real vehicle test system aiming at the problems in the prior art, necessary data and corresponding video information related to a tested vehicle are acquired in a CAN data mode through the system, the two types of data CAN be displayed and stored on an upper computer in real time, the test and evaluation requirements of testers on the traffic sign recognition function are met, and the test quality is further improved.
The technical scheme adopted for realizing the invention is as follows: a traffic sign recognition function real vehicle test system is characterized by comprising: power supply conversion equipment, host computer, display, ethernet switch, preceding camera, indoor audio frequency collection mike, vehicle battery, by the control system ware, preceding camera and indoor camera be connected in ethernet switch electricity respectively, the ethernet switch be connected with the host computer electricity, indoor audio frequency collection mike be connected with the host computer electricity, by the control system ware and the host computer pass through CAN line electricity and be connected, host computer and display electricity be connected, the vehicle battery respectively with by control system ware and power supply conversion equipment electricity be connected, power supply conversion equipment and host computer, display, preceding camera and indoor camera electricity be connected.
Furthermore, the measured controller is a test vehicle equipped with traffic sign recognition.
Further, an external camera is installed on the roof of the test vehicle, an indoor monitoring camera is installed in the test vehicle cab, and an indoor audio acquisition microphone is arranged in the test vehicle cab.
Further, the power supply conversion device carries out conversion from DC-12V to AC-220V.
The beneficial effects of the traffic sign recognition function real vehicle test system are as follows:
1. a traffic sign recognition function real vehicle test system is based on the actual road environment, so that the test result can represent the actual performance of the system, the test and evaluation requirements of testers on the traffic sign recognition function are met, the defects of virtual simulation test are improved, the traffic sign recognition function test is completed, the test scheme is improved, and the test quality is further improved;
2. the utility model provides a traffic sign recognition function real vehicle test system, for CAN be under real road environment, obtain traffic sign recognition function test data, and realize that data message is complete, CAN synchronous display and save with the vehicle CAN network signal that is surveyed, information is complete includes information such as the position of outside traffic sign, height, the condition of sheltering from, the speed of a motor vehicle, the alarm state, the alarm type, the work load of having lightened the tester post processing data has promoted the test verification efficiency of this function, the efficiency of the test and the quality of traffic sign recognition function have been optimized.
Drawings
FIG. 1 is an architecture diagram of a traffic sign recognition function real vehicle testing system;
fig. 2 is a test flow chart of an actual vehicle test system with a traffic sign recognition function.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-2 and the specific embodiments described herein, which are provided for illustration only and are not intended to limit the present invention.
As shown in fig. 1, a traffic sign recognition function real vehicle test system is characterized by comprising: the system comprises a power supply conversion device, an upper computer, a display, an Ethernet switch, a forward camera, an indoor audio acquisition microphone, a vehicle storage battery and a test vehicle equipped with traffic sign identification, wherein the forward camera and the indoor camera are respectively electrically connected with the Ethernet switch, the Ethernet switch is electrically connected with the upper computer, the indoor audio acquisition microphone is electrically connected with the upper computer, the test vehicle equipped with the traffic sign identification is electrically connected with the upper computer through a CAN (controller area network) wire, the upper computer is electrically connected with the display, the vehicle storage battery is respectively electrically connected with the test vehicle equipped with the traffic sign identification and the power supply conversion device, the power supply conversion device is electrically connected with the upper computer, the display, the forward camera and the indoor camera, an external camera is installed on the top of the test vehicle, an indoor monitoring camera is installed in the test vehicle cab, and the indoor audio acquisition microphone is configured in the test vehicle cab.
As shown in fig. 2, a test process of a traffic sign recognition function real vehicle test system:
firstly, testing system equipment is connected through hardware, an external camera is installed on the roof of a test vehicle provided with traffic sign identification to collect external environment information, namely information such as position, height and shading of an external traffic sign, an image prompt of the vehicle is recorded through an installed indoor monitoring camera in a vehicle cab, a radio microphone is configured in the cab to synchronously record audio prompt sound of the vehicle, video signals are collected by an Ethernet switch and then sent to an upper computer, the upper computer is connected with the internal camera and the external camera and also connected with a CAN (controller area network) of the tested vehicle through a CAN (controller area network) line, and a power supply conversion device is connected with a vehicle storage battery to convert DC-12V into AC-220V.
And step two, after the hardware of the equipment is successively completed, the running system starts to check the state of the equipment before testing, so that the available storage space of the upper computer meets the testing requirement, the system time and the actual time are synchronous, the start/pause/end functions of the data recording function are normal, and the front road information can be clearly and completely displayed in the video interface.
Step three, traffic sign board identification testing: as shown in the function evaluation score table 1, the traffic signboard recognition test includes: the method comprises the following steps of no-entry identification test/no-pass identification test/no-temporary and long-time parking identification test/no-long-time parking identification test/no-motor vehicle entry identification test/stop identification test/no-pass identification test/high-speed entrance identification test/high-speed exit identification test/no-turn-around identification test/no-left turn identification test/no-right turn identification test. And 13 types of test contents are provided, wherein each type of signboard is identified and respectively placed in front of a vehicle, a clear environment in the daytime and a scene with street lamps at night are respectively selected for testing, the vehicle stably runs through the traffic signboard according to the vehicle speed set in the function evaluation scoring table 1, and the adopted signboard for the test is required to meet the requirements of GB 5768-road traffic signs and marking lines.
Step four, traffic sign board identification test-additional item test: according to the functional evaluation scoring table 1, besides the 13 traffic nameplates introduced in the step three, other identifiable traffic nameplates are identified through a vehicle operation manual or other relevant documents of manufacturers, and if the identification capability of the 13 nameplates is not the above, the test is carried out according to the test contents in the step three;
and step five, evaluating and testing drivers, namely considering that the driving assistance function not only realizes the information prompt function, but also needs to evaluate the alarm starting time, the alarm duration and the prompt interface in order to meet the requirement of the comfort level of the drivers, selecting X (X is more than or equal to 3) drivers, and randomly driving the traffic signboard at any speed for testing.
And step six, after the test is finished, besides confirming the data recording integrity of the upper computer, the test time, the site position, the driver and the tester information are also required to be recorded.
Step seven, testing and scoring, namely, objectively evaluating the identification function of the traffic sign board, wherein the score is represented by P, and P is represented by P D And P N Constitution P D For scoring in a daytime sunny environment, each signboard is successfully recognized and scored for 1 point under the condition of specified vehicle speed, is not recognized or is recognized by mistake in the driving process for 0 point, and is fully tested and scored for 3 points according to the objective function of each signboard, P N Scoring the test in night environment according to the same calculation rule as P D 。
Step eight, testing and scoring, namely firstly carrying out subjective evaluation on the identification function of the traffic signboard, wherein the score is expressed by Q, and Q can be divided into Q N-1 、Q N-2 、Q N-3 N is the number of the driver, 1-3 are 3 test items which sequentially represent the starting time of the alarm, the duration time of the alarm and the prompt interface, and the score of each item is between 0 and 1. X drivers are selected, so:
step nine, summarizing test scores, wherein the total test score is S, S = P D +P N +Q
The real vehicle test system for the traffic sign identification function completes the steps, namely, completes the test verification and evaluation of the traffic sign identification function.
Function evaluation score Table 1
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (4)
1. A traffic sign recognition function real vehicle test system is characterized by comprising: power supply conversion equipment, host computer, display, ethernet switch, preceding camera, indoor audio frequency collection mike, vehicle battery, by the control system ware, preceding camera and indoor camera be connected in ethernet switch electricity respectively, the ethernet switch be connected with the host computer electricity, indoor audio frequency collection mike be connected with the host computer electricity, by the control system ware and the host computer pass through CAN line electricity and be connected, host computer and display electricity be connected, the vehicle battery respectively with by control system ware and power supply conversion equipment electricity be connected, power supply conversion equipment and host computer, display, preceding camera and indoor camera electricity be connected.
2. The real vehicle testing system for traffic sign recognition function of claim 1, wherein the measured controller is a test vehicle equipped with traffic sign recognition.
3. The traffic sign recognition function real vehicle test system as claimed in claim 2, wherein an external camera is mounted on the roof of the test vehicle, an indoor monitoring camera is mounted in the cab of the test vehicle, and an indoor audio acquisition microphone is disposed in the cab of the test vehicle.
4. The traffic sign recognition function real vehicle testing system according to claim 1, 2 or 3, wherein the power supply conversion device performs conversion from DC-12V to AC-220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211238259.0A CN115684768A (en) | 2022-10-11 | 2022-10-11 | Real vehicle test system with traffic sign recognition function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211238259.0A CN115684768A (en) | 2022-10-11 | 2022-10-11 | Real vehicle test system with traffic sign recognition function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115684768A true CN115684768A (en) | 2023-02-03 |
Family
ID=85063663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211238259.0A Pending CN115684768A (en) | 2022-10-11 | 2022-10-11 | Real vehicle test system with traffic sign recognition function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115684768A (en) |
-
2022
- 2022-10-11 CN CN202211238259.0A patent/CN115684768A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102768811B (en) | Car driver driving skill practice guiding and examination scoring device and realization method | |
| CN111724782B (en) | Response time testing system, method and equipment of vehicle-mounted voice interaction system | |
| CN109816987B (en) | Electronic police law enforcement snapshot system for automobile whistling and snapshot method thereof | |
| CN111497679A (en) | Pure electric vehicle energy consumption monitoring optimization method and system | |
| CN202736348U (en) | Car driver driving skill practice guiding and examination scoring device | |
| CN101756706B (en) | Driving-situation awareness measuring system | |
| CN109830117A (en) | Roading optimization method, device, computer equipment and storage medium | |
| CN112040226B (en) | Device and method for calibrating acousto-optic image time consistency of whistling snapshot system | |
| CN109326168B (en) | Predictive driving assistance simulation system | |
| CN111222375A (en) | Vehicle driving track generation method, system and server | |
| CN203825823U (en) | Traffic sign identification voice prompting apparatus | |
| CN101837758B (en) | Road surface deceleration strip vehicle-mounted early warning device | |
| CN113011260B (en) | High-speed motor car simulation driving simulation training system combined with line real scene | |
| CN207337401U (en) | A kind of automobile cabin human-computer interaction assessment system | |
| CN115684768A (en) | Real vehicle test system with traffic sign recognition function | |
| CN108766097A (en) | A kind of 4D scene intelligents vehicle-learning system and device based on VR analogue techniques | |
| CN207938183U (en) | A kind of vehicle is blown a trumpet violation snap-shooting system | |
| CN111597950A (en) | Road traffic sign prompt system | |
| CN114220280B (en) | Controllable traffic signal lamp for man and vehicle | |
| CN115798295A (en) | Driving test simulation method and device, electronic equipment and storage medium | |
| CN216356901U (en) | Vehicle-mounted information acquisition device for motorcycle examination | |
| CN112950059B (en) | Test system and method for engineering quality management of intelligent vehicle road system monitoring facility | |
| CN214429632U (en) | Simulation driver training monitoring system | |
| CN110688611B (en) | Method and device for evaluating driving safety of in-service tunnel by environmental factors | |
| TWI626605B (en) | Apparatus and method for diagnosing intelligent detection warning system |
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 |