CN107478433B - Combined HIL (hardware in the loop) test system and control method thereof - Google Patents
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Abstract
The invention provides a combined HIL test system and a control method thereof, wherein the system comprises: the system comprises a plurality of simulation test platforms, a plurality of simulation test platforms and a plurality of control modules, wherein the simulation test platforms are used for testing the performance of a vehicle according to a vehicle model provided by a plurality of corresponding simulation test software and outputting the performance parameters of the whole vehicle; a communication module; and the HIL test platform is interacted with the plurality of simulation test platforms through the communication module so as to synchronously acquire the performance parameters of the whole vehicle from the plurality of simulation test platforms and carry out HIL test on the vehicle according to the performance parameters of the whole vehicle. The invention can realize various whole vehicle performance tests under a real controller by using the complex model parameters of a plurality of complex simulation test software, and the test result has the advantage of high accuracy.
Description
Technical Field
The invention relates to the technical field of vehicle testing, in particular to a combined HIL testing system and a control method thereof.
Background
At present, vehicle performance tests are basically divided into two types, namely simulation test and HIL (hardware-in-the-loop) simulation test. In the simulation test, for example, a dynamic simulation test engineer uses a vehicle model provided in the vehicle dynamic simulation test software to test the vehicle dynamic performance and the economy, and a vehicle operation stability simulation test engineer uses the vehicle model provided by the vehicle operation stability simulation software to perform a vehicle stability related test, however, such a simulation test is a pure simulation test without participation of a real vehicle controller, and therefore the test result cannot truly reflect the vehicle performance. On the other hand, the HIL test engineer uses a simple vehicle model and a test bench to perform basic functional tests on the real vehicle controller, but the test method has limited simulated working conditions and cannot accurately test most of the dynamic property, the economic property and the vehicle stability of the vehicle under the control of the real vehicle controller.
Disclosure of Invention
The present invention is directed to solving at least one of the above problems.
Therefore, one objective of the present invention is to provide a joint-type HIL test system, which can utilize complex model parameters of multiple complex simulation test software to implement multiple vehicle performance tests under a real controller, and the test result has the advantage of high accuracy.
Another object of the present invention is to provide a method for controlling a combined HIL test system.
In order to achieve the above object, an embodiment of the first aspect of the present invention provides a combined HIL testing system, including: the system comprises a plurality of simulation test platforms, a plurality of simulation test platforms and a plurality of control modules, wherein the simulation test platforms are used for testing the performance of a vehicle according to a vehicle model provided by a plurality of corresponding simulation test software and outputting the performance parameters of the whole vehicle; a communication module; and the HIL test platform interacts with the plurality of simulation test platforms through the communication module so as to synchronously acquire the performance parameters of the whole vehicle from the plurality of simulation test platforms and carry out HIL test on the vehicle according to the performance parameters of the whole vehicle.
According to the combined HIL test system provided by the embodiment of the invention, the HIL test platform interacts with the plurality of simulation test platforms to synchronously acquire the performance parameters of the whole vehicle output by the plurality of simulation test platforms, and the various performances of the vehicle are more accurately and thoroughly tested by matching with actual hardware in the HIL test platform according to the performance parameters of the whole vehicle. The system can utilize the complex model parameters of a plurality of complex simulation test software to realize a plurality of whole vehicle performance tests under a real controller, and the test result has the advantage of high accuracy.
In addition, the combined HIL test system according to the above embodiment of the present invention may also have the following additional technical features:
in some examples, the plurality of simulation test platforms includes: the test platform comprises a whole vehicle dynamic simulation test platform and a whole vehicle stability simulation test platform.
In some examples, the plurality of simulation test software includes full vehicle dynamics simulation test software and full vehicle stability simulation test software.
In some examples, the vehicle performance parameters include a vehicle dynamics parameter, a vehicle economy parameter, and a vehicle stability parameter.
In some examples, the vehicle dynamics simulation test platform is used for testing the dynamics and the economy of the vehicle according to a vehicle model provided by the vehicle dynamics simulation test software, and outputting a vehicle dynamics parameter and a vehicle economy parameter.
In some examples, the finished automobile stability simulation test platform is configured to test the stability of the vehicle according to a vehicle model provided by the finished automobile stability simulation test software, and output finished automobile stability parameters.
In some examples, the vehicle dynamics simulation test software is CRUISE simulation software, and the vehicle stability simulation test software is CARsim simulation software.
In some examples, the communication module enables interaction of the HIL test platform with the plurality of simulation test platforms by wired or wireless means.
In order to achieve the above object, an embodiment of a second aspect of the present invention discloses a control method of a combined HIL test system, including the following steps: the plurality of simulation test platforms test the performance of the vehicle according to the vehicle models provided by the corresponding plurality of simulation test software, and output the performance parameters of the whole vehicle; and the HIL test platform synchronously acquires the performance parameters of the whole vehicle and performs HIL test on the vehicle according to the performance parameters of the whole vehicle.
According to the control method of the combined HIL test system provided by the embodiment of the invention, the HIL test platform interacts with the plurality of simulation test platforms to synchronously acquire the whole vehicle performance parameters output by the plurality of simulation test platforms, and the various performances of the vehicle are more accurately and thoroughly tested by matching with actual hardware in the HIL test platform according to the whole vehicle performance parameters. The method can realize various whole vehicle performance tests under a real controller by using the complex model parameters of a plurality of complex simulation test software, and the test result has the advantage of high accuracy.
In addition, the control method of the combined HIL test system according to the above embodiment of the present invention may further have the following additional technical features:
in some examples, the plurality of simulation test platforms includes: the test platform comprises a whole vehicle dynamic simulation test platform and a whole vehicle stability simulation test platform.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a combined HIL testing system, according to one embodiment of the present invention; and
fig. 2 is a flowchart of a control method of a federated HIL test system according to one embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A combined HIL test system and a control method thereof according to an embodiment of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a block diagram of a federated HIL test system, in accordance with one embodiment of the present invention. As shown in fig. 1, a combined HIL testing system 100 according to an embodiment of the present invention includes: a plurality of simulation test platforms 110, a communication module 120, and a HIL test platform 130.
Specifically, the multiple simulation test platforms 110 are configured to test the performance of the vehicle according to the vehicle model provided by the corresponding multiple simulation test software, and output the performance parameters of the entire vehicle. The HIL test platform 130 interacts with the plurality of simulation test platforms 110 through the communication module 120 to synchronously acquire the performance parameters of the entire vehicle from the plurality of simulation test platforms 110, and performs the HIL test on the vehicle according to the performance parameters of the entire vehicle. For example, the communication module 120 is connected to the HIL test platform 130 and the simulation test platforms 110 through a network cable or in a WIFI-free manner, so as to implement data interaction between the HIL test platform 130 and the simulation test platforms 110.
In one embodiment of the present invention, the plurality of simulation test platforms 110 include, for example: the test platform comprises a whole vehicle dynamic simulation test platform and a whole vehicle stability simulation test platform. Based on the simulation test software, the simulation test software comprises the whole vehicle dynamic simulation test software and the whole vehicle stability simulation test software. Based on the above, the vehicle performance parameters include, for example, vehicle dynamics parameters, vehicle economy parameters, and vehicle stability parameters. The whole vehicle dynamic simulation test software is CRUISE simulation software, and the whole vehicle stability simulation test software is CARsim simulation software.
Specifically, the finished automobile dynamic simulation test platform is used for testing the dynamic property and the economical efficiency of the automobile according to the automobile model provided by the finished automobile dynamic simulation test software and outputting finished automobile dynamic parameters and finished automobile economical parameters. The vehicle model provided by the complete vehicle dynamic simulation test software is a complex complete vehicle model with dynamic economy, and specifically comprises the following steps: a driver model, a road model, a battery model, a motor model, and tires. The whole vehicle stability simulation test platform is used for testing the stability of the vehicle according to a vehicle model provided by the whole vehicle stability simulation test software and outputting a whole vehicle stability parameter. The vehicle model provided by the whole vehicle stability simulation test software is a more complex stable whole vehicle model, and specifically comprises the following steps: a driver model, a road model, a battery model, a motor model, and tires. Further, the obtained vehicle dynamic parameters, vehicle economy parameters and vehicle stability parameters are synchronously transmitted to the HIL test platform 130, and further the HIL test platform 130 performs further HIL tests on the basis of HIL basic engineering tests according to the more accurate vehicle dynamic parameters, vehicle economy parameters and vehicle stability parameters, so that various performance tests of vehicle dynamic, economy, stability and the like under a real controller are realized, and the test result accuracy is high.
As a specific example, the main principles of the combined HIL test system of embodiments of the present invention can be summarized as: the whole vehicle dynamic simulation test software, the whole vehicle operation stability software and other special performance simulation software for the whole vehicle are introduced into the HIL test process, the HIL simulation test platform can combine a plurality of complex simulation software (such as the whole vehicle dynamic simulation test software, the whole vehicle operation stability software and the like) to carry out data synchronization integration (each software and the platform carry out data transmission through a network cable for example), the HIL simulation test platform can synchronously acquire various data parameters output by the whole vehicle dynamic simulation test software, the whole vehicle operation stability software and the like through data interaction, and the HIL simulation test platform directly uses the data parameters, so that the HIL simulation test platform acquires various accurate data parameters output by the whole vehicle dynamic simulation test software, the whole vehicle operation stability software and the like, and the HIL simulation test platform can be used for basic engineering test of the HIL test, the test system meets various performance tests such as various finished automobile dynamic property, economy, operation stability tests and the like under a real controller, and the test result accuracy is high.
In summary, according to the combined HIL test system of the embodiment of the present invention, the HIL test platform interacts with the multiple simulation test platforms to synchronously obtain the performance parameters of the entire vehicle output by the multiple simulation test platforms, and the HIL test platform cooperates with the actual hardware in the HIL test platform to more accurately and thoroughly test various performances of the vehicle according to the performance parameters of the entire vehicle. The system can utilize the complex model parameters of a plurality of complex simulation test software to realize a plurality of whole vehicle performance tests under a real controller, and the test result has the advantage of high accuracy.
The further embodiment of the invention also provides a control method of the combined HIL test system. The combined HIL test system is, for example, the combined HIL test system 100 described in the above embodiments of the present invention.
Fig. 2 is a flowchart of a control method of a federated HIL test system according to one embodiment of the present invention. As shown in fig. 2, the method comprises the steps of:
step S1: and the plurality of simulation test platforms test the performance of the vehicle according to the vehicle models provided by the corresponding plurality of simulation test software, and output the performance parameters of the whole vehicle.
Step S2: and the HIL test platform synchronously acquires the performance parameters of the whole vehicle and performs HIL test on the vehicle according to the performance parameters of the whole vehicle.
In one embodiment of the present invention, the plurality of simulation test platforms includes, for example: the test platform comprises a whole vehicle dynamic simulation test platform and a whole vehicle stability simulation test platform. Based on the simulation test software, the simulation test software comprises the whole vehicle dynamic simulation test software and the whole vehicle stability simulation test software. Based on the above, the vehicle performance parameters include, for example, vehicle dynamics parameters, vehicle economy parameters, and vehicle stability parameters. The whole vehicle dynamic simulation test software is CRUISE simulation software, and the whole vehicle stability simulation test software is CARsim simulation software.
Specifically, the finished automobile dynamic simulation test platform is used for testing the dynamic property and the economical efficiency of the automobile according to the automobile model provided by the finished automobile dynamic simulation test software and outputting finished automobile dynamic parameters and finished automobile economical parameters. The vehicle model provided by the complete vehicle dynamic simulation test software is a complex complete vehicle model with dynamic economy, and specifically comprises the following steps: a driver model, a road model, a battery model, a motor model, and tires. The whole vehicle stability simulation test platform is used for testing the stability of the vehicle according to a vehicle model provided by the whole vehicle stability simulation test software and outputting a whole vehicle stability parameter. The vehicle model provided by the whole vehicle stability simulation test software is a more complex stable whole vehicle model, and specifically comprises the following steps: a driver model, a road model, a battery model, a motor model, and tires. Further, the obtained vehicle dynamic parameters, vehicle economy parameters and vehicle stability parameters are synchronously transmitted to the HIL test platform, and further the HIL test platform performs further HIL tests on the basis of HIL basic engineering tests according to the more accurate vehicle dynamic parameters, vehicle economy parameters and vehicle stability parameters, so that various performance tests of vehicle dynamic, economy, stability and the like under a real controller are realized, and the test result accuracy is high.
It should be noted that a specific implementation manner of the control method of the combined HIL test system according to the embodiment of the present invention is similar to a specific implementation manner of the combined HIL test system according to the embodiment of the present invention, and reference is specifically made to the description of the system portion, and details are not described here again in order to reduce redundancy.
In summary, according to the control method of the combined HIL test system in the embodiment of the present invention, the HIL test platform interacts with the multiple simulation test platforms to synchronously obtain the performance parameters of the entire vehicle output by the multiple simulation test platforms, and the various performances of the vehicle are more accurately and thoroughly tested by matching with the actual hardware in the HIL test platform according to the performance parameters of the entire vehicle. The method can realize various whole vehicle performance tests under a real controller by using the complex model parameters of a plurality of complex simulation test software, and the test result has the advantage of high accuracy.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A combined HIL test system, comprising:
the system comprises a plurality of simulation test platforms, a plurality of control modules and a plurality of control modules, wherein the simulation test platforms are used for testing the performance of a vehicle according to a vehicle model provided by a plurality of corresponding simulation test software and outputting the performance parameters of the whole vehicle, and the simulation test platforms comprise: the vehicle dynamic simulation test platform is used for testing the dynamic property and the economical property of a vehicle according to a vehicle model provided by the vehicle dynamic simulation test software and outputting the vehicle dynamic property parameter and the vehicle economical property parameter;
a communication module; and
and the HIL test platform interacts with the plurality of simulation test platforms through the communication module so as to synchronously acquire the performance parameters of the whole vehicle from the plurality of simulation test platforms and carry out HIL test on the vehicle according to the performance parameters of the whole vehicle.
2. The combined HIL testing system according to claim 1, wherein the whole vehicle stability simulation testing platform is configured to test the stability of a vehicle according to a vehicle model provided by the whole vehicle stability simulation testing software and output a whole vehicle stability parameter.
3. The combined HIL test system as claimed in any one of claims 1-2, wherein the whole vehicle dynamics simulation test software is CRUISE simulation software, and the whole vehicle stability simulation test software is CARsim simulation software.
4. The federated HIL test system as defined in claim 1, wherein the communication module enables interaction of the HIL test platform with the plurality of simulation test platforms via wired or wireless means.
5. A method of controlling a combined HIL testing system as claimed in any of claims 1 to 4, comprising the steps of:
the plurality of simulation test platforms test the performance of the vehicle according to the vehicle models provided by the corresponding plurality of simulation test software, and output the performance parameters of the whole vehicle;
and the HIL test platform synchronously acquires the performance parameters of the whole vehicle and performs HIL test on the vehicle according to the performance parameters of the whole vehicle.
6. The method of controlling a federated HIL test system as defined in claim 5, wherein the plurality of simulation test platforms include: the test platform comprises a whole vehicle dynamic simulation test platform and a whole vehicle stability simulation test platform.
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| CN110794813B (en) * | 2019-11-18 | 2022-06-07 | 上海顺试汽车科技有限公司 | In-loop real-time linkage testing method and system for electromechanical parts |
| CN110928275B (en) * | 2019-12-12 | 2022-07-01 | 重庆长安新能源汽车科技有限公司 | Multi-controller combined HIL (high-level hierarchical level) rack message frame loss fault injection test system and method |
| CN113484027B (en) * | 2021-05-31 | 2022-12-23 | 东风汽车集团股份有限公司 | New energy power system hardware-in-loop test system and performance verification method thereof |
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