CN103676939B - A kind of Auto-Test System based on OSEK straight-forward network administrative mechanisms - Google Patents
A kind of Auto-Test System based on OSEK straight-forward network administrative mechanisms Download PDFInfo
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Abstract
The invention discloses a kind of Auto-Test System based on OSEK straight-forward network administrative mechanisms, it includes PC, CAN interface card, tested controller and power supply, the tested controller is the ECU with Network Management Function, software CANoe is installed in PC, PC is connected by USB interface with CAN interface card, CAN interface card passes through twisted-pair feeder CAN H, twisted-pair feeder CAN L are connected with tested controller communication, power supply is electrically connected with tested controller, an ON-OFF control circuit is parallel between power supply and tested controller, switch the closing that KL15 controls ignition point, gear for simulating firing key in real vehicle.The present invention realizes automatic test, and its testing efficiency is higher, and the recycling rate of waterused for testing code is higher, can efficiently accomplish to the Network Management Function checking based on OSEK straight-forward network administrative mechanism controllers.
Description
Technical field
The present invention relates to the automotive electronics In-vehicle networking communications field（CAN communication）, more specifically to one kind is based on
OSEK（The open system of automotive electronics）The Auto-Test System of straight-forward network administrative mechanism.
Background technology
Need should be for often electricity due to function for many controllers in vehicle body network（Connect KL30 electricity）, but idle
When, these controllers should be in a dormant state.The need for function, controller sometimes for know other controllers with
And the state of whole network.For above reason, Network Management Function is introduced in platform planning.Network management is mainly used in
CAN network wakes up the processing and energy management with the negotiation of dormancy, and CAN mistake（ECU is set to enter low work(in some periods
Consumption state, so as to reduce the dark current of vehicle）, as vehicle body network provides a kind of method of standard, will be controlled on suitable opportunity
Device processed wakes up, and makes its dormancy in due course.
The network management data that existing network management method of testing is mainly captured by bus analysis equipment, by manually entering
Row monitoring in real time, goes to analyze and judges the reasonability of controller network management strategy by experience.Due to bus message data volume
Greatly, data update rate is very fast, in addition the complexity of controller network management strategy, and manual testing has test period length, survey
Try the problems such as efficiency is low, MTD is inadequate.Accordingly, it would be desirable to which a kind of test system carrys out the network management to Network management controller
Strategy is tested, analyzed and evaluated.
The content of the invention
It is an object of the invention to provide a kind of Auto-Test System based on OSEK straight-forward network administrative mechanisms, it tests effect
Rate is higher, and the recycling rate of waterused for testing code is higher, can efficiently accomplish to based on OSEK straight-forward network administrative mechanism controllers
Network Management Function checking.
Auto-Test System of the present invention based on OSEK straight-forward network administrative mechanisms, it includes PC, CAN interface
Card, tested controller and power supply, the tested controller are installation in the ECU with Network Management Function, the PC
There is software CANoe, the PC is connected by USB interface with the CAN interface card, and the CAN interface card passes through twisted-pair feeder
CAN-H, twisted-pair feeder CAN-L are connected with the tested controller communication, and the power supply is electrically connected with the tested controller, in electricity
An ON-OFF control circuit is parallel between source and tested controller, switch KL15 controls the closing of ignition point, for simulating real vehicle
The gear of middle firing key.The software CANoe installed in the PC provides programming language CAPL programmed environment, utilizes
CAPL writes test program, the test packet that the tested controller of simulation generation needs, and test packet is by CAN interface card to quilt
Survey controller and send network management message data, tested controller is received after network management message data, responded, software
CANoe is shown by the response message of the controlled device of CAN interface clamping in software CANoe, and judges the response report
Whether text and time parameter are correct.
Further, terminal resistance R1 and terminal resistance R2, institute are configured between twisted-pair feeder CAN-H and twisted-pair feeder CAN-L
One end that terminal resistance R1 is located at twisted-pair feeder CAN-H and twisted-pair feeder CAN-L is stated, the terminal resistance R2 is located at twisted-pair feeder CAN-H
With the twisted-pair feeder CAN-L other end, to eliminate the signal reflex in communication cable.
Further, human-computer interaction interface, the variable phase of the human-computer interaction interface and test program are also included in the PC
Association, it is achieved thereby that flexible configuration test item, sets relevant parameter（The message ID of such as node, using the transmission week of message
Phase, standby dormancy time of controller etc.）, reduce the time that tester changes test program.
The specific method flow of this test system is as follows：
The first step, test program is write according to test specification and project demands, including：
（1）According to the tested node ID of communication matrix definition configuration and test node ID, the application report of the tested controller of configuration
The literary cycle；
（2）According to the sleep awakening condition of vehicle network management, sleep and the trigger condition waken up are set in a program；
（3）According to the time parameter inside tested controller（Dispatching cycle, stand-by time）The time come in setting program
Variable；
（4）According to test specification, test case is converted into test program.
Second step, test program is debugged under simulated environment, it is ensured that the logical correctness of test program；
3rd step, makes human-computer interaction interface using upper computer software, is associated with the variable of test program, after being easy to
Continuous retest；
4th step, connection PC, power supply, CAN interface card and tested controller, upper electricity is tested；
Message data in 5th step, the test report and test that are automatically generated to test program is analyzed, and is asked
Topic collects.
Auto-Test System of the present invention based on OSEK straight-forward network administrative mechanisms, utilizes software CANoe and quilt
Controller communication connection is surveyed, Auto-Test System is established, realizes automatic test.The present invention utilizes soft according to test case
Part carries out accurate SECO to cycle tests（Microsecond grade）The various network management shapes run into analog node in real vehicle
State simultaneously carries out direct fault location, to greatest extent the actual condition of analog controller, finally automatically generates test report and supplies tester
Member's analysis.The present invention is tested for the network management of large quantities of amount controllers, and the testing efficiency of the automatization test system is higher, is surveyed
The recycling rate of waterused for trying code is higher, has efficiently accomplished to the network management work(based on OSEK straight-forward network administrative mechanism controllers
It is able to verify that.
Brief description of the drawings
Fig. 1 constitutes frame diagram for the system of the present invention；
Fig. 2 is test flow chart of the invention.
Embodiment
In order to which technical scheme is explained further, below by with reference to accompanying drawing come to the present invention explained in detail
State.
Shown in Figure 1, based on the Auto-Test System of OSEK straight-forward network administrative mechanisms, it includes PC 1, CAN and connect
Software CANoe is installed in mouth card 2, tested controller 3 and power supply 4, the PC 1, the volume for providing programming language CAPL
Also include human-computer interaction interface in journey environment, PC 1, the human-computer interaction interface is associated with the variable of test program.The quilt
Survey controller 3 is the ECU with Network Management Function, and the PC 1 is connected by USB interface with the CAN interface card 2
Connect, the CAN interface card 2 is connected by twisted-pair feeder CAN-H, twisted-pair feeder CAN-L with the tested communication of controller 3, the electricity
Source 4 is electrically connected with the tested controller 3, for being powered to tested controller 3, in parallel between power supply 4 and tested controller 3
There is an ON-OFF control circuit, switch KL15 controls the closing of ignition point, the gear for simulating firing key in real vehicle.In multiple twin
Terminal resistance R1 is configured between line CAN-H and twisted-pair feeder CAN-L and terminal resistance R2, the terminal resistance R1 are located at twisted-pair feeder
CAN-H and twisted-pair feeder CAN-L one end, the terminal resistance R2 are located at the twisted-pair feeder CAN-H and twisted-pair feeder CAN-L other end,
To eliminate the signal reflex in communication cable.
The testing process of the system is shown in Figure 2, " starts test " first, and sending operational order makes " tested controller
Into given state or pattern ", then tested controller is judged into given state or pattern success or not；Lost if entering
Lose, test result is determined as unqualified (FAIL), exits test；If entering successfully, " sent by PC to tested controller
Test packet ", then, the response of controller " wait tested " is received after response, judge " response message of tested controller and
Whether time parameter to be correct ", test result is determined as qualified (PASS) if the response of tested controller is correct, if tested control
The response of device is incorrect, and test result is determined as unqualified (FAIL), is then log out test.
The content that the present invention is tested mainly internal state activity test and external status activity comprising management node
Test.Internal state activity test is main to the meshed network administration behaviour design test case under same state, external status
Activity test mainly causes event design test case of the node from given state to another state to each.It is mainly thought
Road is exactly, according to given excitation condition, to send test packet from PC to tested controller, receive the response of tested controller
Judged whether its network management behavior meets logic later.Phase can be set with flexible configuration test item in human-computer interaction interface
Related parameter（The message ID of such as node, using the transmission cycle of message, the standby dormancy time of controller etc.）, reduce test
Personnel change the time of test program.The operation feelings of test program can be clearly observed in the running environment of test software
Condition, the variable in the real-time display of message data and program points out the contents such as output.From the report that test program is automatically generated
Can intuitively check this test by (PASS) item and not by (FAIL) item, pass through the data link help in report
Tester quickly locates problem, finds the reason for problem data, problem occur and time point.
Claims (3)
1. a kind of Auto-Test System based on OSEK straight-forward network administrative mechanisms, it includes PC（1）, CAN interface card（2）、
Tested controller（3）And power supply（4）, the tested controller（3）For the ECU with Network Management Function, its feature exists
In：The PC（1）In software CANoe, the PC are installed（1）Pass through USB interface and the CAN interface card（2）Communication
Connection, the CAN interface card（2）Pass through twisted-pair feeder CAN-H, twisted-pair feeder CAN-L and the tested controller（3）Communication connection,
The power supply（4）With the tested controller（3）Electrical connection, in power supply（4）With tested controller（3）Between be parallel with a switch
Circuit is controlled, switch KL15 controls the closing of ignition point, the gear for simulating firing key in real vehicle；Installed in the PC
Software CANoe provide programming language CAPL programmed environment, write test program using CAPL, the tested control of simulation generation
The test packet that device needs, test packet sends network management message data by CAN interface card to tested controller, is tested
Controller is received after network management message data, is responded, and software CANoe is by CAN interface clamping by tested controller
Response message, shown in software CANoe, and judge whether the response message and time parameter correct.
2. the Auto-Test System according to claim 1 based on OSEK straight-forward network administrative mechanisms, it is characterised in that：Institute
State and terminal resistance R1 and terminal resistance R2 is configured between twisted-pair feeder CAN-H and twisted-pair feeder CAN-L, the terminal resistance R1 is located at
Twisted-pair feeder CAN-H and twisted-pair feeder CAN-L one end, the terminal resistance R2 are located at the another of twisted-pair feeder CAN-H and twisted-pair feeder CAN-L
One end.
3. the Auto-Test System according to claim 1 or claim 2 based on OSEK straight-forward network administrative mechanisms, it is characterised in that：
The PC（1）In also include human-computer interaction interface, the human-computer interaction interface is associated with the variable of test program.
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| CN201310697293.9A CN103676939B (en) | 2013-12-18 | 2013-12-18 | A kind of Auto-Test System based on OSEK straight-forward network administrative mechanisms |
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| CN103676939B true CN103676939B (en) | 2017-11-07 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515911A (en) * | 2015-12-21 | 2016-04-20 | 惠州市德赛西威汽车电子股份有限公司 | Gateway automatic test system and method of CAN network |
| CN105974909A (en) * | 2016-06-28 | 2016-09-28 | 河北工业大学 | Automatic configuration box for automobile electronic test circuit |
| CN106603314A (en) * | 2017-01-25 | 2017-04-26 | 安徽江淮汽车集团股份有限公司 | Test system and test method for OSEK-based direct network management |
| CN107911260A (en) * | 2017-10-30 | 2018-04-13 | 华晨汽车集团控股有限公司 | A kind of vehicle test system based on OSEC network managements |
| CN107959609A (en) * | 2017-12-15 | 2018-04-24 | 上汽通用五菱汽车股份有限公司 | A kind of testing CAN bus waits the method and device of dormancy time |
| CN109471039A (en) * | 2018-09-27 | 2019-03-15 | 北京长城华冠汽车科技股份有限公司 | A kind of analog charge test device of the battery pack of electric car |
| CN110456777B (en) * | 2019-08-20 | 2022-03-18 | 广州小鹏汽车科技有限公司 | Test method and system of vehicle controller |
| CN112748713A (en) * | 2019-10-31 | 2021-05-04 | 广州汽车集团股份有限公司 | Vehicle-mounted ECU bus refreshing test system and method |
| CN111404784A (en) * | 2020-03-23 | 2020-07-10 | 江铃汽车股份有限公司 | Direct network management method for rapidly monitoring OSEK/VDX |
| CN111682987B (en) * | 2020-06-09 | 2021-09-14 | 联合汽车电子（重庆）有限公司 | Real vehicle environment simulation and rapid test system based on OSEK NM |
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| CN101916087B (en) * | 2009-12-24 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Diagnostic testing system based on CANoe |
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| CN201757858U (en) * | 2010-07-26 | 2011-03-09 | 浙江吉利汽车研究院有限公司 | Testing system of VCU |
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