Virtual-real fusion test device and cross test method thereof

Abstract

The invention belongs to the technical field of virtual-real fusion test verification, and particularly relates to a virtual-real fusion test device and a cross test method thereof. The test system object interface area is connected with a test system object; a signal / data conversion device; the real-time simulation machine is provided with a system model used for simulating a test system object and a controller model used for simulating a controller object; the system model interface area is connected with the real-time simulation machine through a signal / data conversion device; the controller model interface area is connected with the real-time simulation machine through a signal / data conversion device; when the controller object interface area is connected with the system model interface area, the system model of the real-time simulation machine interacts with the controller object; when the test system object interface area is connected with the controller model interface area, the controller model of the real-time simulation machine interacts with the test system object.

Description

Technical Field

[0001] The present application belongs to the field of virtual-reality fusion test verification technology, and in particular relates to a virtual-reality fusion test device and a cross-test method thereof. Background Art

[0002] The biggest feature of digital twin technology is that it can realize the interaction between models and real objects, that is, virtual-real fusion. Virtual-real fusion experiments can be used for the development or verification of various stages of the system, realizing various test verification modes such as real-object tests, virtual tests, virtual-real fusion tests, etc., shortening the system development cycle and reducing development costs. In the virtual-real fusion test mode, the test device is required to realize the real-time operation of the model and the connection between the model and the real object, including modes such as real-object signal to model data and model data to real-object signal. It must also meet the requirements of signal fault simulation, real-time operation of the model, and free and convenient switching of various test modes. Summary of the invention

[0003] In order to solve the above problems, the present application provides a virtual-reality fusion test device and a cross-test method thereof, which are used to test the connection between a system model, a controller model, a test system object, and a controller object;

[0004] The virtual-reality fusion test device comprises:

[0005] A controller physical interface area connected to the controller physically;

[0006] The test system physical interface area connected to the test system physical object;

[0007] Signal / data conversion device;

[0008] A real-time simulator is installed with a system model for simulating a real test system and a controller model for simulating a real controller;

[0009] System model interface area connected to the real-time simulator via a signal / data conversion device;

[0010] A controller model interface area connected to a real-time simulator via a signal / data conversion device;

[0011] When the controller physical interface area is connected to the system model interface area, the system model of the real-time simulator interacts with the controller physical object; when the test system physical interface area is connected to the controller model interface area, the controller model of the real-time simulator interacts with the test system physical object.

[0012] Preferably, an actuator connector, a sensor signal connector, a command signal connection area and a bus connector are provided on the panel of the physical interface area of ​​the test system, and the back is connected to the physical test system through a cable. A signal disconnect device is provided on the panel of the physical interface area of ​​the test system to achieve signal disconnection.

[0013] Preferably, an actuator connector, a sensor signal connector, a command signal connector and a bus connector are provided on the panel of the physical interface area of ​​the controller, and the back is physically connected to the controller via a cable.

[0014] Preferably, an actuator connector, a sensor signal connector, a command signal connector and a bus connector are set on the panels of the system model interface area and the controller model interface area, and the back is connected to the signal / data conversion device through a cable, and a signal disconnect device is set on the panel of the system model interface area.

[0015] Preferably, the signal / data conversion device is connected to the real-time simulator via a reflective memory network.

[0016] Preferably, the signal disconnection devices on the panels of the test system physical interface area and the system model interface area can simulate the short-circuit and open-circuit states of the signal.

[0017] Preferably, the corresponding connectors of the physical interface area of ​​the test system and the controller model interface area are connected by a cable for virtual-real fusion verification of the controller model and the physical system.

[0018] Preferably, the connectors corresponding to the physical controller interface area and the system model interface area are connected by a cable for virtual-real fusion verification of the system model and the physical controller.

[0019] Preferably, a cable is used to connect corresponding connectors of the test system physical interface area and the physical controller interface area for physical test system + physical controller verification.

[0020] Preferably, a cable is used to connect the command signal connector of the physical interface area of ​​the test system and the corresponding connector of the controller model interface area for real-time simulation verification of man / command in the loop.

[0021] A virtual-reality fusion cross test method, using the virtual-reality fusion test device, connecting the corresponding connectors of the test system physical interface area and the controller model interface area through cables, and performing virtual-reality fusion verification of the controller model and the physical system;

[0022] Connect the connectors corresponding to the physical controller interface area and the system model interface area through cables to verify the virtual-real fusion of the system model and the physical controller;

[0023] Connect the command signal connector in the physical interface area of ​​the test system and the corresponding connector in the controller model interface area through cables to perform real-time simulation verification of man / command in the loop;

[0024] Connect the corresponding connectors of the physical controller interface area and the physical interface of the test system through cables to obtain actual verification;

[0025] Cross-validate the data of virtual-reality fusion verification between the controller model and the physical system, the data of virtual-reality fusion verification between the system model and the physical controller, the data of real-time simulation verification of human / instruction in the loop, and the data of real-reality verification and virtual-virtual verification.

[0026] The advantages of this application include: providing a virtual-reality fusion test device and a cross-test method thereof, building a test device that interacts with the physical system, and realizing multiple verification modes such as virtual-reality fusion verification of physical objects and models, physical verification, and virtual verification, which can be used for verification at various stages of system development, shortening the development cycle, and reducing development costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of a virtual-reality fusion test device and a cross-test method thereof in the present application.

[0028] Figure 2 It is a schematic diagram of the actual test system and controller model verification mode of Example 1 of the present application.

[0029] Figure 3 It is a schematic diagram of the physical controller and system model verification mode of Example 2 of the present application.

[0030] Figure 4 This is a schematic diagram of the physical verification mode of Example 3 of the present application.

[0031] Figure 5 This is a schematic diagram of the human / instruction-in-the-loop verification mode of the fourth embodiment of the present application. DETAILED DESCRIPTION

[0032] In order to make the technical solution and advantages of the present application clearer, the technical solution of the present application will be further described in detail in detail and in detail in conjunction with the accompanying drawings. It can be understood that the specific embodiments described here are only partial embodiments of the present application, which are only used to explain the present application, not to limit the present application. It should be noted that, for the convenience of description, only the parts related to the present application are shown in the accompanying drawings, and other related parts can refer to the general design. In the absence of conflict, the embodiments in the present application and the technical features in the embodiments can be combined with each other to obtain new embodiments.

[0033] like Figure 1 As shown, the present application provides a virtual-reality fusion test device for connecting a test system model, a controller model, a test system object, and a controller object;

[0034] The virtual-reality fusion test device comprises:

[0035] A controller physical interface area connected to the controller physically;

[0036] The test system physical interface area connected to the test system physical object;

[0037] Signal / data conversion device;

[0038] A real-time simulator is installed with a system model for simulating a real test system and a controller model for simulating a real controller;

[0039] System model interface area connected to the real-time simulator via a signal / data conversion device;

[0040] A controller model interface area connected to a real-time simulator via a signal / data conversion device;

[0041] The panel of the physical interface area of ​​the test system is provided with an actuator connector, a sensor signal connector, a command signal connector and a bus connector, etc. The back is connected to the physical test system through a cable. A signal disconnect device is provided on the panel of the physical interface area of ​​the test system to achieve signal disconnection.

[0042] The controller physical interface area panel is provided with an actuator connector, a sensor signal connector, a command signal connector and a bus connector, and the back is connected to the controller through a cable.

[0043] An actuator connector, a sensor signal connector, a command signal connector and a bus connector are arranged on the panels of the system model interface area and the controller model interface area. The back is connected to the signal / data conversion device through a cable. A signal disconnect device is arranged on the panel of the system model interface area.

[0044] The signal / data conversion device is connected to the real-time simulator via a reflective memory network.

[0045] The signal disconnecting devices on the panels of the test system's physical interface area and the system model interface area can simulate the short-circuit and open-circuit states of the signal.

[0046] Based on the above-mentioned virtual-reality fusion device, there are four embodiments as follows:

[0047] Embodiment 1, a schematic diagram of a test system physical object + controller model verification mode of a virtual-reality fusion test device and a cross test method thereof, such as Figure 2 As shown, the connectors corresponding to the physical system connection area and the controller model connection area are connected by cables to realize the virtual-real fusion verification mode of the physical test system + control model. The controller model runs in the real-time simulator, and the physical test system command signals, sensor signals, etc. are converted into simulation data through the signal / data conversion device and sent to the real-time simulator. The drive instructions output by the controller model are converted into the execution component drive signals of the physical test system through the signal / data conversion device and sent to the physical test system.

[0048] Embodiment 2, a schematic diagram of a controller physical object + system model verification mode of a virtual-reality fusion test device and a cross test method thereof, such as Figure 3 As shown, the connectors corresponding to the physical connection area of ​​the controller and the system model connection area are connected by cables to realize the virtual-real fusion verification mode of the physical controller + system model. The system model runs in the real-time simulator, and the command signals, sensor signals, etc. in the system model are converted into physical signals through the signal / data conversion device and sent to the physical controller. The drive signal output by the physical controller is converted into the execution component drive data in the real-time simulator through the signal / data conversion device.

[0049] Embodiment 3, a schematic diagram of a physical verification mode of a virtual-real fusion test device and a cross-test method thereof, as shown in FIG. Figure 4 As shown, the physical verification mode is realized by connecting the connectors corresponding to the physical connection area of ​​the controller and the physical connection area of ​​the system through cables.

[0050] Embodiment 4, a schematic diagram of a human / command in-the-loop verification mode of a virtual-reality fusion test device and a cross-test method thereof, such as Figure 5 As shown, the human / command in-the-loop verification mode is realized by connecting the command signal connection area of ​​the physical connection area of ​​the system and the connector corresponding to the controller model connection area through a cable.

[0051] In combination with the above four embodiments, there is a virtual-reality fusion cross test method, which uses the virtual-reality fusion test device to connect the corresponding connectors of the physical interface area of ​​the test system and the controller model interface area through cables to perform virtual-reality fusion verification of the controller model and the physical system;

[0052] Connect the connectors corresponding to the physical controller interface area and the system model interface area through cables to verify the virtual-real fusion of the system model and the physical controller;

[0053] Connect the command signal connector in the physical interface area of ​​the test system and the corresponding connector in the controller model interface area through cables to perform real-time simulation verification of man / command in the loop;

[0054] Connect the corresponding connectors of the physical controller interface area and the physical interface of the test system through cables to obtain actual verification;

[0055] Carry out different forms of verification according to different verification stages, or cross-validate the data of virtual-reality fusion verification of controller model and physical system, the data of virtual-reality fusion verification of system model and physical controller, the data of real-time simulation verification of human / instruction in the loop, and the data of real-reality verification and virtual-virtual verification.

[0056] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A virtual-reality fusion test device, used to test the connection between the system model, the controller model, the test system object, and the controller object; It is characterized in that The virtual-reality fusion test device comprises: A controller physical interface area connected to the controller physically; Test system physical interface area connected to the test system physical object; signal / data conversion device; A real-time simulator, equipped with a system model for simulating a real test system, and models for simulating a real test system and a real controller; System model interface area connected to the real-time simulator via a signal / data conversion device; A controller model interface area connected to a real-time simulator via a signal / data conversion device; When the controller physical interface area is connected to the system model interface area, the system model of the real-time simulator interacts with the controller physical object; when the test system physical interface area is connected to the controller model interface area, the controller model of the real-time simulator interacts with the test system physical object.

2. A virtual-reality fusion test device according to claim 1, characterized in that: The panel of the physical interface area of ​​the test system is provided with an actuator connector, a sensor signal connector, a command signal connection area and a bus connector, etc. The back is connected to the physical test system through a cable. A signal disconnect device is provided on the panel of the physical interface area of ​​the test system to achieve signal disconnection.

3. The virtual-reality fusion test device according to claim 1, characterized in that: The controller physical interface area panel is provided with an actuator connector, a sensor signal connector, a command signal connector and a bus connector, and the back is connected to the controller through a cable.

4. The virtual-reality fusion test device according to claim 1, characterized in that: An actuator connector, a sensor signal connector, a command signal connector and a bus connector are arranged on the panels of the system model interface area and the controller model interface area. The back is connected to the signal / data conversion device through a cable. A signal disconnect device is arranged on the panel of the system model interface area.

5. The virtual-reality fusion test device according to claim 1, characterized in that: The signal / data conversion device is connected to the real-time simulator via a reflective memory network.

6. A virtual-reality fusion test device and cross-test method thereof according to claim 2, characterized in that: The signal disconnecting devices on the panels of the test system's physical interface area and the system model interface area can simulate the short-circuit and open-circuit states of the signal.

7. A virtual-reality fusion test device according to claim 1, 2, 3 or 4, characterized in that: Use cables to connect the corresponding connectors of the physical interface area of ​​the test system and the controller model interface area for virtual-reality fusion verification of the controller model and the physical system.

8. A virtual-reality fusion test device according to claim 1, 2, 3 or 4, characterized in that: Use cables to connect the corresponding connectors of the physical controller interface area and the system model interface area for virtual-reality fusion verification of the system model and the physical controller.

9. A virtual-reality fusion test device according to claim 1, 2, 3 or 4, characterized in that: Use cables to connect the corresponding connectors in the test system physical interface area and the physical controller interface area for physical test system + controller verification.

10. A virtual-reality fusion test device according to claim 1, 2, 3 or 4, characterized in that: Use a cable to connect the command signal connector in the physical interface area of ​​the test system and the corresponding connector in the controller model interface area for real-time simulation verification of man / command in the loop.

11. A virtual-reality fusion cross test method, using the virtual-reality fusion test device according to any one of claims 1 to 10, characterized in that: Connect the corresponding connectors of the physical interface area of ​​the test system and the controller model interface area through cables to verify the virtual-real fusion of the controller model and the physical system; Connect the connectors corresponding to the physical controller interface area and the system model interface area through cables to verify the virtual-real fusion of the system model and the physical controller; Connect the command signal connector in the physical interface area of ​​the test system and the corresponding connector in the controller model interface area through cables to perform real-time simulation verification of man / command in the loop; Connect the corresponding connectors of the physical controller interface area and the physical interface of the test system through cables to obtain actual verification; Carry out different forms of verification according to different verification stages, or cross-validate the data of virtual-reality fusion verification of controller model and physical system, the data of virtual-reality fusion verification of system model and physical controller, the data of real-time simulation verification of human / instruction in the loop, and the data of real-reality verification and virtual-virtual verification.

Images