CN114815774A - Device and method for testing controller of whole vehicle domain - Google Patents
Device and method for testing controller of whole vehicle domain Download PDFInfo
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- CN114815774A CN114815774A CN202210335069.4A CN202210335069A CN114815774A CN 114815774 A CN114815774 A CN 114815774A CN 202210335069 A CN202210335069 A CN 202210335069A CN 114815774 A CN114815774 A CN 114815774A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
The invention provides a whole vehicle domain controller testing device and a method, which comprises main testing equipment, wireless communication testing equipment, high-speed communication testing load equipment and GPS positioning testing equipment, and can test the wireless communication, high-speed communication and GPS positioning functions of a domain controller, comprehensively cover the functions and the performance of the domain controller, support the functional design verification of a complex intelligent whole vehicle domain controller, and solve the problem that the existing increasingly complex domain controller cannot comprehensively cover the functions and the performance of products during the design verification.
Description
Technical Field
The invention belongs to the field controller technology of a finished automobile control system, and particularly relates to a design verification test technology for a finished automobile field controller.
Background
With the fact that the electrical system of the automobile, particularly the new energy automobile, is more and more complex and the integration level is higher and higher, the functions of the domain controller are more and more complex and intelligent. The requirement on the reliability of the intelligent whole vehicle domain controller is higher and higher, and therefore, a set of more rigorous and reliable design verification equipment and method is needed to test and verify the reliability and the function of the complex domain controller. Particularly, when some environmental test tests and electrical load test tests as well as EMC and EMI tests are carried out, due to the limits of test scenes and environments, certain protection requirements and space size limitations are imposed on the test verification device. Therefore, in order to achieve the perfect effect of completely verifying the functions and performances of the intelligent whole vehicle domain controller, a testing device is needed to meet the requirement of design verification of the intelligent whole vehicle domain controller, and meanwhile, a more comprehensive testing scheme is needed to support the functional design verification of the complex intelligent whole vehicle domain controller.
Disclosure of Invention
The invention aims to provide a device and a method for testing and verifying the function and performance design of a complex intelligent whole vehicle domain controller, and solves the problem that the existing increasingly complex domain controller cannot comprehensively cover the function and performance of a product during design and verification.
The technical scheme of the invention is as follows:
the invention provides a whole vehicle domain controller testing device which comprises main testing equipment, upper computer equipment, wireless communication testing equipment, high-speed communication testing load equipment and GPS positioning testing equipment.
The main test equipment is used for supplying power to the tested domain controller, processing hard line signals of the domain controller and output of the driving load, and is connected with the tested domain controller and the upper computer.
The upper computer equipment is used for displaying all signals, load driving and various communications of the tested domain controller, judging all the signals and the load driving capability through signal preset values, prompting when the signals are abnormal, and adjusting the given signal values to the domain controller until the signals are qualified.
The wireless communication test equipment is used for testing the WIFI of the tested domain controller and the load performance and the signal strength performance of 4G or 5G data.
The high-speed communication test load equipment is used for testing the data load intensity and the data load rate of Ethernet and USB high-speed signals of a tested domain controller.
The GPS positioning test equipment is used for providing a GPS antenna and processing data positioning information for the tested domain controller.
The invention also provides a method for testing the whole vehicle domain controller, and the test device for the whole vehicle domain controller comprises the following test steps:
step 1: and connecting the main test equipment with the tested domain controller and the upper computer to supply power for the tested domain controller for communication.
Step 2; signals required by the tested domain controller are debugged through the main test equipment and input to the tested domain controller, and the driving output driving signal of the tested domain controller is turned on, so that the analog load in the main test equipment works.
And 3, step 3: and the GPS functional module, the wireless communication module and the high-speed communication module of the open domain controller are respectively communicated with the GPS positioning test equipment, the wireless communication test equipment and the high-speed communication test load equipment.
And 4, step 4: the data volume is increased for the high-speed communication module of the controller through the high-speed communication test equipment, the transmission rate is improved, and whether the load capacity and the transmission rate of the high-speed communication module of the controller meet the design requirements or not and whether the load capacity and the transmission rate are influenced or not under the influence of other external environments are obtained.
And 5, step 5: the data transmission of a WIFI channel and the test of the rate and the load capacity of one data transmission of 4G or 5G are carried out on the controller through the wireless communication equipment, and whether the design of a wireless communication module of the controller meets the requirements or not and whether the load capacity and the transmission rate are influenced or not under the influence of other external environments are obtained.
And 6, the upper computer acquires the final processing and analysis results of the main test equipment, the high-speed communication test load equipment, the wireless communication test equipment and the GPS test equipment, compares the parameters output by each piece of equipment with the preset value of the upper computer, and automatically obtains whether each function and performance of the tested domain controller meet the design requirements and the test requirements.
The whole vehicle domain controller testing device provided by the invention comprises wireless communication testing equipment, high-speed communication testing load equipment and GPS positioning testing equipment, and can test the wireless communication, high-speed communication and GPS positioning functions of a domain controller, comprehensively cover the functions and performance of the domain controller and support the functional design verification of a complex intelligent whole vehicle domain controller.
Drawings
FIG. 1 is a circuit block diagram of the whole domain controller testing device of the present invention;
Detailed Description
The invention is described in detail below with reference to the accompanying drawings 8:
referring to fig. 1, the test device for the whole vehicle domain controller according to the present invention is a design verification test device for a complex intelligent whole vehicle domain controller, and is composed of a main test device, an upper computer, a wireless communication test device, a high-speed communication test load device, and a GPS positioning test device.
The main test equipment is mainly used for supplying power to a tested domain controller, processing hard line signals of the domain controller and output of a driving load, and is connected with the domain controller and an upper computer and also is a transfer station between the domain controller and the upper computer. The main test equipment comprises a test equipment power supply management system and a connection domain controller power supply, and comprises an input and output signal processing/indicating module, wherein the input and output signal processing/indicating module is connected with a tested domain control through a controller driving output load interface, a controller signal output interface, a controller signal input interface and a bus communication interface, and is connected with an upper computer through an upper computer communication interface.
And the upper computer visually displays all signals, load drives and various communications of the domain controller for a tester to check, and compares all signals, load drives and various communications of the domain controller to obtain a test result. If the qualified items exist, the upper computer automatically gives qualified parameter values to the domain controller, so that the test data of the domain controller is qualified.
The wireless communication test equipment is connected with the domain controller and comprises tests on the WIFI of the domain controller and the load performance and the signal intensity performance of 4G or 5G data.
The high-speed communication test load equipment is connected with the domain controller and comprises the test of the data load intensity and the data load rate of the Ethernet and USB high-speed signals of the domain controller.
The GPS positioning test equipment is connected with the domain controller and mainly provides a GPS antenna for the domain controller and processes data positioning information.
The test procedure was as follows:
the first step is as follows: the intelligent whole-domain controller is connected with the main test equipment through a wire harness, the main test equipment is connected with the upper computer through a bus, a power supply of the main test equipment is turned on, and power supply communication is carried out on the tested domain controller through the test equipment.
The second step is that: signals required by the domain controller and the upper computer are debugged through the main test equipment and input to the domain controller. The driving output driving signal of the domain controller is opened through bus communication, so that the analog load in the main testing equipment works, the indicating module prompts that the driving output of the controller of the tester is successful, and meanwhile, the main testing equipment obtains the output signal of the domain controller through a wire harness and correspondingly displays the output signal on the indicating module to prompt that the signal output of the controller of the tester is successful.
The third step: the GPS function and the wireless communication module which open the domain controller through the bus also have a high-speed communication module, the GPS module and the wireless communication module are communicated with the test equipment through antenna radiation, the high-speed communication module is connected with the test equipment through a high-speed line, and then the processed information is transmitted to an upper computer by the three test equipment to be displayed, so that the observation and the test of testers are facilitated.
The fourth step: the data volume is increased for the high-speed communication module of the controller through the high-speed communication test equipment, the transmission rate is improved, and whether the load capacity and the transmission rate of the high-speed communication module of the controller meet the design requirements or not and whether the load capacity and the transmission rate are influenced or not under the influence of other external environments are obtained.
The fifth step: the data transmission of a WIFI channel and the test of the rate and the load capacity of one data transmission of 4G or 5G are carried out on the controller through the wireless communication equipment, and whether the design of a wireless communication module of the controller meets the requirements or not and whether the load capacity and the transmission rate are influenced or not under the influence of other external environments are obtained.
And sixthly, uploading the final processing and analyzing results of the main testing equipment, the high-speed communication testing load equipment, the wireless communication testing equipment and the GPS testing equipment to an upper computer for displaying, and comparing parameters output by each piece of equipment with preset values of the upper computer, so that the upper computer can automatically obtain whether each function and performance of the tested domain controller meet the design requirements and the testing requirements.
The invention has been disclosed in terms of preferred embodiments, but it is not intended to be limited thereto, and all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.
Claims (2)
1. A whole vehicle domain controller testing device is characterized by comprising main testing equipment, upper computer equipment, wireless communication testing equipment, high-speed communication testing load equipment and GPS positioning testing equipment;
the main test equipment is used for supplying power to the tested domain controller, processing hard line signals of the domain controller and drive load output, and simultaneously connecting the tested domain controller and the upper computer equipment;
the upper computer equipment is used for displaying all signals, load driving and various communications of the tested domain controller, judging all the signals and the load driving capability through a signal preset value, prompting when the signals are abnormal, and adjusting the given signal value to the domain controller until the signals are qualified;
the wireless communication test equipment is used for testing the load performance and the signal intensity performance of WIFI and 4G or 5G data of the tested domain controller;
the high-speed communication test load equipment is used for testing the data load strength and the data load speed of Ethernet and USB high-speed signals of a tested domain controller;
the GPS positioning test equipment is used for providing a GPS antenna and processing data positioning information for the tested domain controller.
2. A method for testing a whole vehicle domain controller, which is characterized in that the whole vehicle domain controller testing device of claim 1 is used, and the testing steps are as follows:
step 1: connecting the main test equipment with the tested domain controller and the upper computer equipment to supply power for the tested domain controller for communication;
step 2; debugging a signal required by the tested domain controller through the main test equipment, inputting the signal to the tested domain controller, and turning on a driving output driving signal of the tested domain controller to enable a simulation load in the main test equipment to work;
and 3, step 3: opening a GPS functional module, a wireless communication module and a high-speed communication module of the domain controller, and respectively communicating with GPS positioning test equipment, wireless communication test equipment and high-speed communication test load equipment;
and 4, step 4: increasing data volume for a high-speed communication module of the controller through high-speed communication test equipment, and improving transmission rate to obtain whether the load capacity and the transmission rate of the high-speed communication module of the controller meet design requirements and whether the load capacity and the transmission rate are influenced by other external environments;
and 5, step 5: carrying out data transmission of a WIFI channel and testing of the rate and the load capacity of data transmission of 4G or 5G to the controller through the wireless communication equipment to obtain whether the design of a wireless communication module of the controller meets requirements and whether the load capacity and the transmission rate are influenced under the influence of other external environments;
and 6, the upper computer acquires the test data of the main test equipment, the high-speed communication test load equipment, the wireless communication test equipment and the GPS test equipment, compares the test data with a preset value on the upper computer, and automatically obtains whether each function and performance of the tested domain controller meet the design requirements and the test requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335069.4A CN114815774A (en) | 2022-03-31 | 2022-03-31 | Device and method for testing controller of whole vehicle domain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335069.4A CN114815774A (en) | 2022-03-31 | 2022-03-31 | Device and method for testing controller of whole vehicle domain |
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| Publication Number | Publication Date |
|---|---|
| CN114815774A true CN114815774A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210335069.4A Pending CN114815774A (en) | 2022-03-31 | 2022-03-31 | Device and method for testing controller of whole vehicle domain |
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| CN (1) | CN114815774A (en) |
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- 2022-03-31 CN CN202210335069.4A patent/CN114815774A/en active Pending
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