CN113295434B - Brake test system, platform and method - Google Patents
Brake test system, platform and method Download PDFInfo
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- CN113295434B CN113295434B CN202110555756.2A CN202110555756A CN113295434B CN 113295434 B CN113295434 B CN 113295434B CN 202110555756 A CN202110555756 A CN 202110555756A CN 113295434 B CN113295434 B CN 113295434B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The embodiment of the application provides a braking test system, a braking test platform and a braking test method. The upper computer leads the simulation model into a first lower computer and inputs a control algorithm to be tested into a second lower computer; the first lower computer performs control test through the simulation model and a brake controller in the brake real part; the second lower computer performs control test on the peripheral equipment in the brake real part through a control algorithm to be tested; the second lower computer performs control testing according to the control algorithm to be tested and the simulation model of the first lower computer; and the brake controller and the peripheral equipment perform control test. The braking test system can meet the comprehensive test requirement from virtual simulation to pure physical test for the development of the braking real part, and can perform fault diagnosis, operation maintenance, maintenance and the like of the braking real part more comprehensively.
Description
Technical Field
The present application relates to the field of vehicle technology, and in particular, to a brake test system, platform and method.
Background
The brake system is one of key systems of the vehicle, home and abroad vehicle suppliers adopt special brake system detection and fault positioning equipment in the vehicle using process, and meanwhile, in order to ensure the continuous and stable operation of the vehicle, a unified platform for brake system simulation, test, fault diagnosis and operation maintenance is established, so that an operation environment is provided for the brake system, and component monitoring, performance research and the like are completed.
Problems existing in the prior art:
the existing brake system test platform builds a gas circuit test, a component test, a control logic test platform and the like according to different functional requirements. When the test requirements change, additional test environments and hardware equipment need to be built. The method has the problems of poor flexibility, long construction period and incomplete test.
Disclosure of Invention
The embodiment of the application provides a braking test system, a braking test platform and a braking test method, and aims to solve the problems that in the prior art, the braking test system is poor in flexibility, long in construction period and incomplete in testing.
According to a first aspect of embodiments of the present application, there is provided a brake test system, the brake test system including a brake test platform and a brake real part, the brake test platform including: the brake device comprises an upper computer, a first lower computer and a second lower computer, wherein the brake device comprises a brake controller and peripheral equipment, the upper computer is in communication connection with the first lower computer and the second lower computer, the first lower computer is in communication connection with the brake controller, the second lower computer is in communication connection with the peripheral equipment, and the first lower computer is in communication connection with the second lower computer;
the upper computer is used for leading a simulation model into the first lower computer and inputting a control algorithm to be tested into the second lower computer;
the second lower computer is used for carrying out a virtual environment full-system simulation test according to the control algorithm to be tested and the simulation model of the first lower computer;
the second lower computer is also used for carrying out control prototype simulation test on the control algorithm to be tested and peripheral equipment in the brake real part;
the first lower computer is used for performing semi-physical simulation test through the simulation model and the brake controller in the brake real part;
and the brake controller is used for carrying out pure physical test on the peripheral equipment.
According to a second aspect of embodiments of the present application, there is provided a brake test platform comprising: the brake device comprises an upper computer, a first lower computer and a second lower computer, wherein the upper computer is in communication connection with the first lower computer and the second lower computer, and the first lower computer and the second lower computer are in communication connection with a brake real piece;
the upper computer is used for leading a simulation model into the first lower computer and inputting a control algorithm to be tested into the second lower computer;
the second lower computer is used for carrying out a virtual environment full-system simulation test according to the control algorithm to be tested and the simulation model of the first lower computer;
the second lower computer is also used for carrying out control prototype simulation test on the control algorithm to be tested and peripheral equipment in the brake real part;
and the first lower computer is used for performing semi-physical simulation test through the simulation model and the brake controller in the brake real part.
According to a third aspect of the embodiments of the present application, there is provided a brake testing method applied to a brake testing system, where the brake testing system includes a brake testing platform and a brake real component, and the brake testing platform includes: the brake device comprises an upper computer, a first lower computer and a second lower computer, wherein the brake device comprises a brake controller and peripheral equipment, the upper computer is in communication connection with the first lower computer and the second lower computer, the first lower computer is in communication connection with the brake controller, the second lower computer is in communication connection with the peripheral equipment, and the first lower computer is in communication connection with the second lower computer;
the upper computer leads a simulation model into the first lower computer and inputs a control algorithm to be tested into the second lower computer;
the second lower computer performs a virtual environment full-system simulation test according to the control algorithm to be tested and the simulation model of the first lower computer;
the second lower computer performs control prototype simulation test with peripheral equipment in the brake real part through the control algorithm to be tested;
the first lower computer performs a semi-physical simulation test through the simulation model and the brake controller in the brake real part;
and the brake controller carries out pure physical test on the peripheral equipment.
According to a fourth aspect of the embodiments of the present application, there is provided a brake testing method applied to a brake testing platform, where the brake testing platform includes: the brake device comprises an upper computer, a first lower computer and a second lower computer, wherein the upper computer is in communication connection with the first lower computer and the second lower computer, and the first lower computer and the second lower computer are in communication connection with a brake real piece;
the upper computer leads a simulation model into the first lower computer and inputs a control algorithm to be tested into the second lower computer;
the second lower computer performs a virtual environment full-system simulation test according to the control algorithm to be tested and the simulation model of the first lower computer;
the second lower computer performs control prototype simulation test with peripheral equipment in the brake real part through the control algorithm to be tested;
and the first lower computer performs semi-physical simulation test through the simulation model and the brake controller in the brake real part.
By adopting the brake test system, the brake test platform and the brake test method provided by the embodiment of the application, the full-system simulation test, the control prototype simulation test, the semi-physical simulation test and the pure physical test of the virtual environment can be realized through the upper computer, the first lower computer, the second lower computer, the brake controller and the peripheral equipment. The comprehensive test requirements of the brake real part development from virtual simulation to pure physical test are met, fault diagnosis, operation maintenance, maintenance and the like of the brake real part are carried out more comprehensively, and a large amount of design cost and overhaul cost are saved for enterprises.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of a brake test system according to an embodiment of the present disclosure;
FIG. 2 is a block diagram of another brake test system provided in the embodiments of the present application;
FIG. 3 is a schematic diagram of a test connection provided by an embodiment of the present application;
FIG. 4 is a schematic diagram of another test connection provided by embodiments of the present application;
FIG. 5 is a schematic diagram of another exemplary test connection provided in the embodiments of the present application;
FIG. 6 is a schematic diagram of another exemplary test connection provided in the embodiments of the present application;
fig. 7 is a schematic flowchart of a brake test method according to an embodiment of the present application;
fig. 8 is a schematic flowchart of another braking test method provided in the embodiment of the present application.
100-a brake test system; 110-a brake test platform; 111-an upper computer; 112-a first lower computer; 113-a second lower computer; 114-a data acquisition computer; 120-braking true; 121-a brake controller; 122-peripheral devices; 130-a switching device; 140-power supply.
Detailed Description
In the process of realizing the application, the inventor finds that the existing brake system test platform builds a gas circuit test, a component test, a control logic test platform and the like according to different functional requirements. When the test requirements change, additional test environments and hardware equipment need to be built. The method has the problems of poor flexibility, long construction period and incomplete test.
In view of the above problems, an embodiment of the present application provides a braking test system, a platform and a method, where the braking test system includes a braking test platform and a braking real component, and the braking test platform includes: the braking device comprises an upper computer, a first lower computer and a second lower computer, wherein the braking real piece comprises a braking controller and peripheral equipment, the upper computer is in communication connection with the first lower computer and the second lower computer, the first lower computer and the second lower computer are in communication connection with the braking controller and the peripheral equipment, and the first lower computer is in communication connection with the second lower computer; the upper computer is used for leading the simulation model into the first lower computer and inputting a control algorithm to be tested into the second lower computer; the second lower computer is used for carrying out full-system simulation test of the virtual environment according to the control algorithm to be tested and the simulation model of the first lower computer; the second lower computer is also used for carrying out control prototype simulation test through a control algorithm to be tested and peripheral equipment in the brake real part; the first lower computer is used for performing semi-physical simulation test through the simulation model and the brake controller in the brake real part; and the brake controller is used for carrying out pure physical test on the peripheral equipment. The brake test system can realize full-system simulation test, control prototype simulation test, semi-physical simulation test and pure physical test of the virtual environment. The comprehensive test requirements of the brake real part development from virtual simulation to pure physical test are met, fault diagnosis, operation maintenance, maintenance and the like of the brake real part are carried out more comprehensively, and a large amount of design cost and overhaul cost are saved for enterprises.
The solution in the embodiment of the present application may be implemented by using various computer languages, for example, object-oriented programming language Java and transliteration scripting language JavaScript, etc.
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, a block diagram of a brake testing system 100 according to an embodiment of the present disclosure is shown, where the brake testing system 100 includes a brake testing platform 110 and a brake real 120, and the brake testing platform 110 includes: the braking device comprises an upper computer 111, a first lower computer 112 and a second lower computer 113, wherein the braking device 120 comprises a braking controller 121 and peripheral equipment 122, the upper computer 111 is in communication connection with the first lower computer 112 and the second lower computer 113, the first lower computer 112 and the second lower computer 113 are in communication connection with the braking controller 121 and the peripheral equipment 122, and the first lower computer 112 is in communication connection with the second lower computer 113.
The upper computer 111 is used for importing the simulation model into the first lower computer 112 and inputting a control algorithm to be tested into the second lower computer 113; the first lower computer 112 is used for performing control test on the brake controller 121 in the brake real part 120 through the simulation model so as to realize simulation test on the peripheral equipment 122 in the brake real part 120; the second lower computer 113 is used for performing control test with the peripheral equipment 122 in the brake real piece 120 through a control algorithm to be tested so as to realize simulation test of the brake controller 121 in the brake real piece 120; the second lower computer 113 is further configured to perform a control test according to the control algorithm to be tested and the simulation model of the first lower computer 112, so as to implement a simulation test of the brake real part 120; the brake controller 121 is used for performing control test with the peripheral device 122 to realize the physical test of the brake real part 120.
It should be understood that the upper computer 111 can realize the functions of human-computer interaction, parameter setting, data viewing, data recording, waveform display and the like. The first lower computer 112 and the second lower computer 113 can realize real-time data acquisition.
Wherein, the function that host computer 111 can realize human-computer interaction and parameter setting does: the upper computer 111 is also used for responding to user operation to obtain simulation parameters, changing the simulation model according to the simulation parameters, and importing the changed simulation model into the first lower computer 112; the simulation parameters comprise model types and test parameters.
Simulation model management software is configured In the upper computer 111, a Hardware In the Loop (HIL) integrated part can be formed by the simulation model management software and the first lower computer 112, and management of a simulation model, import of the simulation model, configuration of the simulation model and Hardware, downloading of the simulation model to a real-time system, and the like can be realized.
Through the setting of simulation parameters, the development and the test of brake control systems of different models and configurations can be realized, and the development requirements of comprehensive flexibility are met.
The first lower computer 112 can generate a simulation piece of the peripheral device 122 according to the simulation model. Peripheral devices 122 may include pressure sensors that generate pressure signals, solenoid valves that generate valve actuation signals, speed sensors that generate shaft speed, and the like. Correspondingly, the first lower machine 112 may generate a simulation of the pressure sensor, the solenoid valve, the shaft speed, and the like.
Rapid prototype configuration software is also configured in the upper computer 111, a control algorithm to be tested can be generated through the rapid prototype configuration software, the control algorithm to be tested is sent to the second lower computer 113, and the second lower computer 113 can generate a simulation piece of the brake controller 121 based on the control algorithm to be tested. In other words, the control algorithm to be tested includes all of the logic and functionality of the brake controller 121.
The second lower computer 113 may be set up by a VxWorks system, and the brake controller 121 may be a subway brake controller 121, a high-speed rail brake controller 121, or the like. Correspondingly, the second lower computer 113 may generate a simulation of the subway brake controller 121, and may also generate a simulation of the high-speed train brake controller 121.
The simulation test of the peripheral device 122 may be realized by sending a test instruction to the first lower computer 112 by using the existing simulation of the brake controller 121, so as to realize a control test of the simulation of the peripheral device 122 by the simulation of the brake controller 121, that is, a simulation test of the peripheral device 122.
The simulation test for implementing the brake controller 121 may be understood as that, by using the existing peripheral device 122 real part, the second lower computer 113 sends a test instruction to the peripheral device 122 real part to implement a control test of the brake controller 121 simulation part on the peripheral device 122 real part, that is, a simulation test of the brake controller 121.
The simulation test for realizing the brake simulation 120 may be understood as that the simulation of the brake controller 121 generated by the second lower computer 113 sends a test instruction to the simulation of the peripheral device 122 generated by the first lower computer 112, so as to realize a control test of the simulation of the brake controller 121 on the simulation of the peripheral device 122, that is, a simulation test of the brake simulation 120.
The actual test of the brake real part 120 may be realized by sending a test instruction to the peripheral device 122 through the brake controller 121 to realize a control test of the brake controller 121 on the real part of the peripheral device 122, that is, the actual test of the brake real part 120.
In the embodiment of the application, before the physical test, the simulation test of the braking dummy 120 can be performed, and when the simulation test of the braking dummy 120 is not problematic; performing a simulation test of the brake controller 121, in a case where the simulation test of the brake controller 121 is not problematic; performing simulation test of the peripheral device 122, wherein the simulation test of the peripheral device 122 has no problem; and developing and designing a new brake controller 121 and a new peripheral device 122, and carrying out physical test through the new brake controller 121 and the new peripheral device 122. The test sequence may be switched according to actual conditions, and is not limited herein.
In an alternative embodiment, as shown in fig. 2, the brake test system 100 further includes a switching device 130, and the switching device 130 is connected to the first lower computer 112, the second lower computer 113, the brake controller 121, and the peripheral device 122.
It is to be understood that the switching device 130 may be used to switch signal transmission channels between the first lower computer 112, the second lower computer 113, the brake controller 121, and the peripheral device 122. The switching device 130 can be manually operated by a worker or remotely operated by the upper computer 111.
As shown in fig. 3, when the simulation test of the peripheral device 122 is performed, the first lower computer 112 is communicated with the brake controller 121 through the switching device 130, and the first lower computer 112 is disconnected from the second lower computer 113 and the peripheral device 122 through the switching device 130.
As shown in fig. 4, when the simulation test of the brake controller 121 is performed, the second lower computer 113 is connected to the peripheral device 122 through the switching device 130, and the second lower computer 113 is disconnected from the first lower computer 112 and the brake controller 121 through the switching device 130.
As shown in fig. 5, when the simulation test of the braking dummy 120 is performed, the first lower machine 112 is communicated with the second lower machine 113 through the switching device 130, and the first lower machine 112 is disconnected from the braking controller 121 and the peripheral device 122 through the switching device 130
As shown in fig. 6, when the real brake piece 120 is actually tested, the brake controller 121 is connected to the peripheral device 122 through the switching device 130, and the brake controller 121 is disconnected from the first lower computer 112 and the second lower computer 113 through the switching device 130.
In order to realize the rapid positioning of the fault working condition, before the upper computer 111 inputs the control algorithm to be tested to the second lower computer 113, the upper computer 111 is also used for sequentially inputting a plurality of test cases to the first lower computer 112; wherein, the test case is used for realizing the test of the internal logic and function of the brake controller 121; the first lower computer 112 is further configured to sequentially verify the plurality of test cases according to the simulation model, and sequentially feed back a test result of each test case to the upper computer 111; the upper computer 111 is further configured to generate a control algorithm to be tested according to the multiple test cases when the test result of each test case is successful, and input the control algorithm to be tested to the second lower computer 113.
It should be understood that one test case is some logic or function of the brake controller 121 and the control algorithm to be tested is a collection of multiple test cases. And the simulation model is used for sequentially verifying a plurality of test cases, so that the fault working condition can be quickly positioned. When the test result of each test case is successful, it indicates that all the logics and functions of the brake controller 121 are problem-free, and also indicates that all the logics and functions of the brake controller 121 included in the control algorithm to be tested are problem-free.
In an alternative embodiment, as shown in fig. 2, the test platform further includes a data acquisition computer 114, and the data acquisition computer 114 is in communication connection with the first lower computer 112, the second lower computer 113, the upper computer 111, the brake controller 121, and the peripheral device 122.
The data acquisition computer 114 is used for acquiring simulation test data of the peripheral device 122, simulation test data of the brake controller 121, simulation test data of the brake real part 120 and physical test data of the brake real part 120, and uploading the simulation test data of the peripheral device 122, the simulation test data of the brake controller 121, the simulation test data of the brake real part 120 and the physical test data of the brake real part 120 to the upper computer 111.
The simulation test data of the peripheral device 122, the simulation test data of the brake controller 121, the simulation test data of the brake dummy 120, and the physical test data of the brake dummy 120 may include a pressure test signal, a valve operation test signal, a shaft test speed, and the like.
It should be understood that the data acquisition computer 114 is also connected to the switching device 130 for acquiring the signal bypassed by the switching device 130 and sending the signal bypassed to the upper computer 111. The upper computer 111 stores the received various test data and signals output by the bypass, so that later-stage data analysis and comparison are facilitated, and functions of data checking, data recording, waveform display and the like are achieved. The waveform display can be understood that the upper computer 111 can display various received test data in a waveform form.
Before the user operates the upper computer 111, the user can log in firstly, whether the user is the administrator identity is judged according to a user account input by the user, and if not, the upper computer 111 displays a simulation parameter setting interface; if the simulation parameters are the same as the administrator identities, the upper computer 111 may display a simulation parameter setting interface and a user management interface to calibrate the simulation parameters.
Referring to fig. 2, the brake test system 100 further includes a power supply 140 and a comprehensive wiring, the power supply 140 is connected to the brake test platform 110 and the brake real part 120, and the data acquisition computer 114, the first lower computer 112, the second lower computer 113, the upper computer 111, the brake controller 121, the peripheral device 122 and the switching device 130 are connected through the comprehensive wiring in a communication manner.
The power source 140 may supply power to the brake shoe 120, and may provide 110V dc, 220V ac, 24V dc, etc.
Next, on the basis of the brake test system 100 shown in fig. 1, the embodiment of the present invention provides a brake test method, please refer to fig. 7, and fig. 7 illustrates a brake test method provided by the embodiment of the present invention, where the brake test method may include the following steps:
s101, the upper computer leads the simulation model into a first lower computer and inputs a control algorithm to be tested into a second lower computer.
And S102, the first lower computer performs simulation test on the peripheral equipment through the simulation model and the brake controller in the brake real piece.
And S103, the second lower computer performs simulation test on the brake controller through the control algorithm to be tested and the peripheral equipment in the brake real part.
And S104, the second lower computer performs simulation test on the brake real part according to the control algorithm to be tested and the simulation model of the first lower computer.
And S105, the brake controller performs real object test of the brake real part on the peripheral equipment.
It should be understood that the aforementioned upper computer 111, first lower computer 112, second lower computer 113, brake controller 121 and peripheral device 122 cooperate to implement the contents in S101-S105.
Referring to fig. 8, fig. 8 is a braking test method provided in an embodiment of the present application on the basis of the braking test platform 110 shown in fig. 1, where the braking test method provided in the embodiment of the present application may include the following steps:
s201, the upper computer leads the simulation model into a first lower computer and inputs a control algorithm to be tested into a second lower computer.
And S202, the first lower computer performs simulation test on the peripheral equipment in the brake real piece through the simulation model and the brake controller in the brake real piece.
And S203, the second lower computer performs simulation test on the brake controller in the brake real piece through the control algorithm to be tested and the peripheral equipment in the brake real piece.
And S204, the second lower computer performs simulation test on the brake real part according to the control algorithm to be tested and the simulation model of the first lower computer.
It should be understood that the aforementioned upper computer 111, the first lower computer 112 and the second lower computer 113 cooperate to implement the contents of S201-S204.
To sum up, the application provides a braking test system, platform and method, and this braking test system includes braking test platform and braking true part, and braking test platform includes: the braking true piece comprises a braking controller and peripheral equipment, the upper computer is in communication connection with the first lower computer and the second lower computer, the first lower computer is in communication connection with the braking controller, the second lower computer is in communication connection with the peripheral equipment, and the first lower computer is in communication connection with the second lower computer; the upper computer is used for leading the simulation model into the first lower computer and inputting a control algorithm to be tested into the second lower computer; the first lower computer is used for carrying out simulation test on the peripheral equipment through the simulation model and the brake controller in the brake real part; the second lower computer is used for carrying out simulation test on the brake controller through a control algorithm to be tested and peripheral equipment in the brake real part; the second lower computer is also used for carrying out simulation test on the brake real part according to the control algorithm to be tested and the simulation model of the first lower computer; and the brake controller is used for carrying out real object test on the brake real part of the peripheral equipment. The brake test system can realize the simulation test of peripheral equipment, the simulation test of a brake controller, the simulation test of a brake real part and the physical test of the brake real part. The comprehensive test requirements of the brake real part development from virtual simulation to pure physical test are met, fault diagnosis, operation maintenance, maintenance and the like of the brake real part are carried out more comprehensively, and a large amount of design cost and overhaul cost are saved for enterprises.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (8)
1. The utility model provides a braking test system which characterized in that, braking test system includes braking test platform and the real piece of braking, braking test platform includes: the brake device comprises an upper computer, a first lower computer and a second lower computer, wherein the brake device comprises a brake controller and peripheral equipment, the upper computer is in communication connection with the first lower computer and the second lower computer, the first lower computer is in communication connection with the brake controller, the second lower computer is in communication connection with the peripheral equipment, and the first lower computer is in communication connection with the second lower computer;
the upper computer is used for guiding a simulation model into the first lower computer and inputting a control algorithm to be tested into the second lower computer;
the second lower computer is used for carrying out a virtual environment full-system simulation test according to the control algorithm to be tested and the simulation model of the first lower computer;
the second lower computer is also used for carrying out control prototype simulation test on the control algorithm to be tested and peripheral equipment in the brake real part;
the first lower computer is used for performing semi-physical simulation test through the simulation model and the brake controller in the brake real part;
the brake controller is used for carrying out pure physical test on the peripheral equipment;
the brake test system also comprises a switching device which is connected with the first lower computer, the second lower computer, the brake controller and the peripheral equipment;
the switching device is used for switching signal transmission channels among the first lower computer, the second lower computer, the brake controller and the peripheral equipment;
when the virtual environment full-system simulation test is carried out, the first lower computer is communicated with the second lower computer through the switching device, and the first lower computer is disconnected with the brake controller and the peripheral equipment through the switching device;
when the control prototype simulation test is carried out, the second lower computer is communicated with the peripheral equipment through the switching device, and the second lower computer is disconnected with the first lower computer and the brake controller through the switching device;
when the semi-physical simulation test is carried out, the first lower computer is communicated with the brake controller through the switching device, and the first lower computer is disconnected with the second lower computer and the peripheral equipment through the switching device;
when the pure physical test is carried out, the brake controller is communicated with the peripheral equipment through the switching device, and the brake controller is disconnected with the first lower computer and the second lower computer through the switching device.
2. The brake test system of claim 1, wherein the upper computer is further configured to sequentially input a plurality of test cases to the first lower computer; the test case is used for realizing the test of the internal logic and function of the brake controller;
the first lower computer is also used for sequentially verifying the plurality of test cases according to the simulation model and feeding back the test result of each test case to the upper computer in sequence;
and the upper computer is also used for generating the control algorithm to be tested according to the plurality of test cases when the test result of each test case is successful.
3. The brake test system of claim 1 or 2, wherein the test platform further comprises a data acquisition computer, the data acquisition computer being in communication connection with the first lower computer, the second lower computer, the upper computer, the brake controller and the peripheral device;
the data acquisition computer is used for acquiring the simulation test data of the peripheral equipment, the simulation test data of the brake controller, the simulation test data of the brake real part and the physical test data of the brake real part, and uploading the simulation test data of the peripheral equipment, the simulation test data of the brake controller, the simulation test data of the brake real part and the physical test data of the brake real part to the upper computer.
4. The brake test system according to claim 1 or 2, wherein the upper computer is further configured to obtain simulation parameters in response to a user operation, modify the simulation model according to the simulation parameters, and import the modified simulation model into the first lower computer;
wherein the simulation parameters comprise model types and test parameters.
5. A brake test platform, comprising: the brake device comprises an upper computer, a first lower computer and a second lower computer, wherein the upper computer is in communication connection with the first lower computer and the second lower computer, and the first lower computer and the second lower computer are in communication connection with a brake real piece;
the upper computer is used for leading a simulation model into the first lower computer and inputting a control algorithm to be tested into the second lower computer;
the second lower computer is used for carrying out full-system simulation test of a virtual environment according to the control algorithm to be tested and the simulation model of the first lower computer;
the second lower computer is also used for carrying out a control prototype simulation test through the control algorithm to be tested and peripheral equipment in the brake real part;
the first lower computer is used for performing semi-physical simulation test through the simulation model and the brake controller in the brake real part;
the first lower computer, the second lower computer, the brake controller and the peripheral equipment are all connected with a switching device; the switching device is used for switching signal transmission channels among the first lower computer, the second lower computer, the brake controller and the peripheral equipment;
when the virtual environment full-system simulation test is carried out, the first lower computer is communicated with the second lower computer through the switching device, and the first lower computer is disconnected with the brake controller and the peripheral equipment through the switching device;
when the control prototype simulation test is carried out, the second lower computer is communicated with the peripheral equipment through the switching device, and the second lower computer is disconnected with the first lower computer and the brake controller through the switching device;
when the semi-physical simulation test is carried out, the first lower computer is communicated with the brake controller through the switching device, and the first lower computer is disconnected with the second lower computer and the peripheral equipment through the switching device;
when the pure physical test is carried out, the brake controller is communicated with the peripheral equipment through the switching device, and the brake controller is disconnected with the first lower computer and the second lower computer through the switching device.
6. The brake test platform of claim 5, wherein the upper computer is further configured to sequentially input a plurality of test cases to the first lower computer; the test case is used for realizing the test of internal logic and functions of the brake controller;
the first lower computer is also used for sequentially verifying the plurality of test cases according to the simulation model and feeding back the test result of each test case to the upper computer in sequence;
and the upper computer is also used for generating the control algorithm to be tested according to the plurality of test cases when the test result of each test case is successful.
7. The brake test platform of claim 5 or 6, further comprising a data acquisition computer in communication connection with the first lower computer, the second lower computer, the upper computer, the brake controller and the peripheral device;
the data acquisition computer is used for acquiring the simulation test data of the peripheral equipment, the simulation test data of the brake controller, the simulation test data of the brake real part and the physical test data of the brake real part, and uploading the simulation test data of the peripheral equipment, the simulation test data of the brake controller, the simulation test data of the brake real part and the physical test data of the brake real part to the upper computer.
8. The brake test method is characterized by being applied to a brake test system, wherein the brake test system comprises a brake test platform, a switching device and a brake real part, and the brake test platform comprises: the brake device comprises an upper computer, a first lower computer and a second lower computer, wherein the brake device comprises a brake controller and peripheral equipment, the upper computer is in communication connection with the first lower computer and the second lower computer, the first lower computer is in communication connection with the brake controller, the second lower computer is in communication connection with the peripheral equipment, and the first lower computer is in communication connection with the second lower computer; the switching device is connected with the first lower computer, the second lower computer, the brake controller and the peripheral equipment; the switching device is used for switching signal transmission channels among the first lower computer, the second lower computer, the brake controller and the peripheral equipment;
the upper computer leads a simulation model into the first lower computer and inputs a control algorithm to be tested into the second lower computer;
the second lower computer performs a virtual environment full-system simulation test according to the control algorithm to be tested and the simulation model of the first lower computer; when the virtual environment full-system simulation test is carried out, the first lower computer is communicated with the second lower computer through the switching device, and the first lower computer is disconnected with the brake controller and the peripheral equipment through the switching device;
the second lower computer performs control prototype simulation test with peripheral equipment in the brake real part through the control algorithm to be tested; when the control prototype simulation test is carried out, the second lower computer is communicated with the peripheral equipment through the switching device, and the second lower computer is disconnected with the first lower computer and the brake controller through the switching device; the first lower computer performs semi-physical simulation test through the simulation model and the brake controller in the brake real part; when the semi-physical simulation test is carried out, the first lower computer is communicated with the brake controller through the switching device, and the first lower computer is disconnected with the second lower computer and the peripheral equipment through the switching device;
the brake controller carries out pure physical test on the peripheral equipment; when the pure physical test is carried out, the brake controller is communicated with the peripheral equipment through the switching device, and the brake controller is disconnected with the first lower computer and the second lower computer through the switching device.
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