Distributed avionics simulation system of unmanned aerial vehicle

Abstract

The utility model provides an unmanned aerial vehicle distributed avionics simulation system, which belongs to the technical field of unmanned aerial vehicle simulation, and comprises an interface module, a radar system and a plurality of avionics simulation modules, the interface module comprises a first data type interface and a second data type interface; wherein the plurality of avionics simulation modules are arranged in parallel, each avionics simulation module is connected with the radar system, and each avionics simulation module is also connected with the first data type interface or the second data type interface. According to the utility model, the interface module is additionally arranged, so that the number of interfaces of the avionics simulation module is increased, the avionics simulation module can be conveniently connected with other platforms, data transmission and real-time cooperation among multiple platforms can be carried out, and the efficient and accurate flight simulation requirements of the unmanned aerial vehicle can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of UAV simulation, relates to the avionics simulation system technology of UAVs, and specifically relates to a distributed avionics simulation system for UAVs. Background Technique

[0002] Avionics simulation systems are mainly applied in the field of aerospace technology and are used to simulate and evaluate the flight performance of UAVs under different conditions, the performance of conductive systems, the interoperability of electronic devices, and pilot training, etc. For example, the patent document with the application number CN202011587912.5 discloses a high-fidelity UAV avionics semi-physical real-scene simulation system, which includes a simulation environment end and an equipment-under-simulation end connected through a virtual-real interface; the simulation environment end receives system signals, runs a real-time system and a stereoscopic rendering engine, simulates and outputs signals and displays them; the virtual-real interface connects the virtual computing data in the simulation environment and the actual physical signals in the equipment-under-simulation. Through the avionics simulation of UAVs, the performance of UAVs under different weather conditions, altitudes, and speeds can be tested in a virtual environment, so as to optimize design parameters and improve the flight safety and flight efficiency of UAVs.

[0003] Traditional avionics simulation systems often focus on a single platform, with limited data interfaces, resulting in difficulties in data interaction and sharing, making it difficult to achieve data transmission and real-time collaboration between multiple platforms and unable to meet the requirements of efficient and accurate UAV flight simulation. Summary of the Utility Model

[0004] Aiming at the technical problem described in the above background technique, that is, for traditional avionics simulation systems, due to limited data interfaces, there are difficulties in data interaction and sharing. To solve this technical problem, the utility model proposes a distributed avionics simulation system for UAVs.

[0005] The utility model adds an interface module, thereby increasing the number of interfaces of the avionics simulation module, facilitating the connection of the avionics simulation module with other platforms, and performing data transmission and real-time collaboration between multiple platforms to meet the requirements of efficient and accurate UAV flight simulation.

[0006] A distributed avionics simulation system for UAVs of the utility model includes an interface module, a radar system, and multiple avionics simulation modules. The interface module includes a first data type interface and a second data type interface;

[0007] Among them, multiple avionics simulation modules are arranged in parallel. Each avionics simulation module is connected to the radar system, and each avionics simulation module is also connected to the first data type interface or the second data type interface.

[0008] Further defined, the UAV distributed avionics simulation system further includes a radar debugging device, and both the first data type interface and the second data type interface are connected to the radar debugging device.

[0009] Further defined, the first data type interface includes an optical fiber interface, a TSN interface, and a plurality of juxtaposed first expansion slots. The avionics simulation module is respectively connected to the radar debugging device through the optical fiber interface and the TSN interface, and the optical fiber interface and the TSN interface are both arranged juxtaposed with the first expansion slots.

[0010] Further defined, the second data type interface includes an Ethernet optical fiber interface, a multi-protocol serial port interface, and a plurality of juxtaposed second expansion slots. The avionics simulation module is respectively connected to the radar debugging device through the Ethernet optical fiber interface and the multi-protocol serial port interface, and the Ethernet optical fiber interface and the multi-protocol serial port interface are both arranged juxtaposed with the second expansion slots.

[0011] Further defined, there are two Ethernet optical fiber interfaces, which are 10G Ethernet optical fiber interface and 25G Ethernet optical fiber interface respectively.

[0012] Further defined, the multi-protocol serial port interface is an RS232 interface, an RS422 interface, and / or an RS485 interface.

[0013] Further defined, the UAV distributed avionics simulation system further includes a switch. Both the first data type interface and the second data type interface are connected to the switch, and the switch is connected to the radar debugging device.

[0014] Further defined, there are 24 Ethernet ports on the switch; the switching capacity of the switch is 336Gbps / 3.36Tbps, and the packet forwarding rate is 51 / 126Mpps.

[0015] Further defined, the avionics simulation module includes a first avionics simulation module and a second avionics simulation module. Both the first avionics simulation module and the second avionics simulation module are connected to the radar system. The first avionics simulation module is connected to the first data type interface, and the second avionics simulation module is connected to the second data type interface.

[0016] Further defined, the first avionics simulation module is provided with an optical fiber interface and a TSN interface, and is connected to the first data type interface through the optical fiber interface and the TSN interface; the second avionics simulation module is provided with an Ethernet optical fiber interface and a multi-protocol serial port bus, and is connected to the first data type interface through the Ethernet optical fiber interface and the multi-protocol serial port bus.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. A distributed avionics simulation system for an unmanned aerial vehicle (UAV) according to the present utility model. By adding an interface module, the number of interfaces of the avionics simulation module is increased, facilitating the connection of the avionics simulation module with other platforms and enabling data transmission and real-time collaboration among multiple platforms to meet the requirements of efficient and accurate UAV flight simulation and achieve the timeliness and accuracy of data transmission. At the same time, the interface module includes a first data type interface and a second data type interface to realize the distributed connection of multiple avionics simulation systems and meet the data transmission requirements of different avionics simulation systems.

[0019] 2. A distributed avionics simulation system for an unmanned aerial vehicle (UAV) according to the present utility model further includes a radar debugging device, through which users can support the setting and adjustment of various parameters, including radar transceiver calibration, pattern testing, etc.

[0020] 3. In the present utility model, in addition to satisfying the fiber optic interface and TSN interface of the avionics simulation system, the first data type interface further includes a plurality of first expansion slots; in addition to satisfying the Ethernet fiber optic interface and multi-protocol serial port interface of the avionics simulation system, the second data type interface further includes a plurality of second expansion slots. Through the first expansion slots and the second expansion slots, the avionics simulation system can be connected to more devices and perform data interaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the composition of the distributed avionics simulation system for an unmanned aerial vehicle (UAV) according to the present utility model;

[0022] Figure 2 is a specific connection schematic diagram of the distributed avionics simulation system for an unmanned aerial vehicle (UAV) according to the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The technical solutions of the present utility model will be further explained below with reference to the drawings and embodiments, but the present utility model is not limited to the embodiments described below.

[0024] Embodiment 1

[0025] Refer to Figure 1 , a distributed avionics simulation system for an unmanned aerial vehicle (UAV) in this embodiment includes an interface module, a radar system, and a plurality of avionics simulation modules. Among them, the interface module includes a first data type interface and a second data type interface; the plurality of avionics simulation modules are arranged in parallel to form a distributed structure. The number of avionics simulation modules can be three, four, five, or even more, and the specific number is set according to the simulation requirements, which is not specifically limited in this embodiment.

[0026] Each avionics simulation module is connected to the radar system for receiving data from the radar system; each avionics simulation module is also connected to the first data type interface or the second data type interface, and data transmission is carried out through the first data type interface or the second data type interface.

[0027] See Figure 2 , the avionics simulation module of this embodiment is also used to obtain the electronic countermeasure parameters of the UAV, the altitude parameters measured by the radio altimeter, the atmospheric environment parameters where the UAV is located, the navigation parameters of the UAV, the joystick parameters of the UAV, and the throttle opening parameter of the UAV.

[0028] The avionics simulation module in this embodiment is an existing commercially available product, which is a device with the model number CRN1740 produced by Wuxi Chuangxin Aviation Electronics Technology Co., Ltd.

[0029] In this embodiment, by adding an interface module, the number of interfaces of the avionics simulation module is increased, which facilitates the connection of the avionics simulation module with other platforms and enables data transmission and real-time collaboration between multiple platforms to meet the efficient and accurate UAV flight simulation requirements, realize the timeliness and accuracy of data transmission, and thus realize the collaborative networking of single or multiple machines.

[0030] The interface module of this embodiment includes a first data type interface and a second data type interface, which realizes the distributed connection of multiple avionics simulation systems and can meet the data transmission requirements of different avionics simulation systems.

[0031] Embodiment 2

[0032] A distributed avionics simulation system for UAVs in this embodiment, on the basis of Embodiment 1, further includes a radar debugging device, and both the first data type interface and the second data type interface are connected to the radar debugging device.

[0033] Preferably, the avionics simulation module in this embodiment includes a first avionics simulation module and a second avionics simulation module. Both the first avionics simulation module and the second avionics simulation module are connected to the radar system. The first avionics simulation module is connected to the first data type interface, and the second avionics simulation module is connected to the second data type interface. A fiber optic interface and a TSN interface are provided on the first avionics simulation module; an Ethernet fiber optic interface and a multi-protocol serial bus are provided on the second avionics simulation module.

[0034] Further preferably, in this embodiment, the number of the first avionics simulation modules is two, and the number of the second avionics simulation modules is three, that is, there are a total of five avionics simulation modules. Each first avionics simulation module is provided with a fiber optic interface and a TSN interface, and each second avionics simulation module is provided with an Ethernet fiber optic interface and a multi-protocol serial bus.

[0035] In this embodiment, the radar debugging device is an existing commercially available device, which is a device with a model number of CRN1742 produced by Wuxi Chuangxinhang Electronic Technology Co., Ltd.

[0036] In this embodiment, the radar debugging device is used for debugging system parameters, and can support users to set and adjust various parameters, and provide radar transceiver calibration, pattern testing, etc.

[0037] In this embodiment, the first data type interface includes a fiber optic interface, a TSN interface and multiple parallel first expansion slots. The first avionics simulation module is connected to the radar debugging equipment through the fiber optic interface and the TSN interface respectively. The fiber optic interface and the TSN interface are both arranged in parallel with the first expansion slot. Specifically, the number of first expansion slots can be 2, 3, 4, or even more. The specific number depends on the data transmission demand equipment and is not specifically limited in this embodiment. In this embodiment, 2 are preferably taken.

[0038] Preferably, in this embodiment, the first avionics simulation module is also connected to the radar system via a fiber optic interface and a TSN interface respectively.

[0039] In this embodiment, the second data type interface includes an Ethernet fiber optic interface, a multi-protocol serial port interface and a plurality of parallel second expansion slots. The second avionics simulation module is connected to the radar debugging device through the Ethernet fiber optic interface and the multi-protocol serial port interface respectively. The Ethernet fiber optic interface and the multi-protocol serial port interface are both arranged in parallel with the second expansion slot. Specifically, the number of second expansion slots can be 2, 3, 4, or even more. The specific number depends on the data transmission demand equipment and is not specifically limited in this embodiment. In this embodiment, 3 are preferably taken.

[0040] Preferably, in this embodiment, the second avionics simulation module is connected to the radar system via an Ethernet fiber optic interface and a multi-protocol serial port interface respectively.

[0041] Preferably, in this embodiment, there are two Ethernet fiber optic interfaces, namely a 10G Ethernet fiber optic interface (2-way 1X) and a 25G Ethernet fiber optic interface (4-way 1X).

[0042] Preferably, in this embodiment, the multi-protocol serial port interface is an 8-channel RS232 interface, an 8-channel RS422 interface and / or an 8-channel RS485 interface, and the rate is not less than 2Mbps.

[0043] Example 3

[0044] The UAV distributed avionics simulation system of this embodiment, based on Embodiment 1 or Embodiment 2, further includes a switch. Both the first data type interface and the second data type interface are connected to the switch, and the switch is connected to the radar debugging device. Specifically, both the first data type interface and the second data type interface transmit data to the radar debugging device through the switch.

[0045] In this embodiment, the switch is provided with 24 Ethernet ports; the switching capacity of the switch is 336 Gbps / 3.36 Tbps, and the packet forwarding rate is 51 / 126 Mpps.

[0046] The switch of this embodiment is a device produced by Huawei with the model S5735S-S24T4S-QA2-I. A high-speed data transmission network is constructed through the switch to complete high-speed data transmission between distributed avionics modules and high-speed data transmission between test subsystems.

[0047] In the above embodiment, the TSN interface is an interface with the model 601YZ-TSN-FZ-CES-02 produced by Yangzhou Collaborative Innovation Research Institute Co., Ltd., Shenyang Aircraft Design and Research Institute. It is dual-channel and dual-redundant, and supports adjustable standard rate, not less than 10 Gbps; the fiber optic interface is an interface with the model CCA-CCA PXIE 2QFC produced by Wuxi Chuangxin Aviation Electronics Technology Co., Ltd. It adopts the SRIO protocol and is not less than 2 channels of 4X; each channel can be configured into X1 / X2 / X4 mode, and the rate of each 1X can be configured as 1.25 / 2.5 / 3.125 / 5 Gbps / 6.25 Gbps; the multi-protocol serial port interface is an interface with the model CCA-MPCIE3601 produced by Wuxi Chuangxin Aviation Electronics Technology Co., Ltd. Both the first expansion slot and the second expansion slot are PXIe slots.

[0048] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A distributed avionics simulation system for unmanned aerial vehicles, characterized in that, It includes an interface module, a radar system, and multiple avionics simulation modules. The interface module includes a first data type interface and a second data type interface; Among them, the multiple avionics simulation modules are arranged in parallel. Each avionics simulation module is connected to the radar system, and each avionics simulation module is also connected to the first data type interface or the second data type interface.

2. The drone distributed avionics simulation system according to claim 1, wherein The UAV distributed avionics simulation system further includes a radar debugging device. Both the first data type interface and the second data type interface are connected to the radar debugging device.

3. The UAV distributed avionics simulation system according to claim 1 or 2, characterized in that, The first data type interface includes an optical fiber interface, a TSN interface, and multiple parallel first expansion slots. The avionics simulation modules are respectively connected to the radar debugging device through the optical fiber interface and the TSN interface. The optical fiber interface and the TSN interface are arranged in parallel with the first expansion slots.

4. The drone distributed avionics simulation system according to claim 1 or 2, characterized in that, The second data type interface includes an Ethernet optical fiber interface, a multi-protocol serial port interface, and multiple parallel second expansion slots. The avionics simulation modules are respectively connected to the radar debugging device through the Ethernet optical fiber interface and the multi-protocol serial port interface. The Ethernet optical fiber interface and the multi-protocol serial port interface are arranged in parallel with the second expansion slots.

5. The drone distributed avionics simulation system according to claim 4, wherein, There are two Ethernet optical fiber interfaces, which are 10G Ethernet optical fiber interface and 25G Ethernet optical fiber interface respectively.

6. The UAV distributed avionics simulation system according to claim 4, wherein, The multi-protocol serial port interface is an RS232 interface, an RS422 interface, and / or an RS485 interface.

7. The drone distributed avionics simulation system according to claim 2, wherein The UAV distributed avionics simulation system further includes a switch. Both the first data type interface and the second data type interface are connected to the switch, and the switch is connected to the radar debugging device.

8. The UAV distributed avionics simulation system according to claim 7, characterized in that, There are 24 Ethernet ports on the switch; the switching capacity of the switch is 336Gbps / 3.36Tbps, and the packet forwarding rate is 51 / 126Mpps.

9. The UAV distributed avionics simulation system according to claim 1, characterized in that The avionics simulation module includes a first avionics simulation module and a second avionics simulation module. Both the first avionics simulation module and the second avionics simulation module are connected to the radar system. The first avionics simulation module is connected to the first data type interface, and the second avionics simulation module is connected to the second data type interface.

10. The UAV distributed avionics simulation system according to claim 9, wherein, The first avionics simulation module is provided with an optical fiber interface and a TSN interface, and is connected to the first data type interface through the optical fiber interface and the TSN interface; the second avionics simulation module is provided with an Ethernet optical fiber interface and a multi-protocol serial port bus, and is connected to the first data type interface through the Ethernet optical fiber interface and the multi-protocol serial port bus.

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