Airborne traffic monitoring system digital excitation verification method and device

Abstract

The invention discloses a digital excitation verification method and device for an airborne traffic monitoring system, and relates to the field of airborne traffic monitoring systems, the digital excitation device is crosslinked with the traffic monitoring system through an AFDX communication module, an ARINC429 communication module and a discrete IO interface; the digital excitation device is internally provided with traffic monitoring system digital excitation software and is used for simulating an avionics laboratory joint test environment, simulating external avionics data input of a traffic monitoring system, simulating an ND display and a PFD display, simulating and displaying TA / RA and OT / PT alarm target information and displaying TSS configuration information. The system is low in development cost, small in size and capable of being flexibly deployed; meanwhile, analog simulation display of a traffic display target, interface function simulation of cross-linking of an airborne RDIU and a traffic monitoring system and a control function of an antenna change-over switch are realized.

Description

Technical Field

[0001] The present invention relates to the field of airborne traffic monitoring systems, and in particular to a digital excitation verification method and device for airborne traffic monitoring systems. Background Art

[0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

[0003] The airborne traffic monitoring system consists of a traffic monitoring processor, a switching switch and an antenna. Through the combined use of the aircraft's top antenna, bottom antenna and antenna relay, it provides two transponders and two TCAS systems. It has the functions of an airborne collision avoidance system (ACAS), a Mode S transponder (XPDR), and a broadcast automatic dependent surveillance system (ADS-B IN / OUT), which can enhance the aircraft's situational awareness, prevent the risk of mid-air collisions, and improve the aircraft's flight safety.

[0004] The traffic monitoring system requires data communication with other aircraft avionics equipment, including the FCS flight control system, TCP tuning control panel, RNS radio navigation system, IRS inertial navigation system, IMA system, OMS system, and display system, through AFDX or ARINC 429 interfaces. This interconnection is highly complex. With the rapid advancement of avionics technology in large civil airliners, highly integrated display systems based on the next-generation communication architecture of the ARINC 661 communication standard are gradually replacing traditional display instruments. Traffic target information output by the traffic monitoring system must be displayed on a display system based on the ARINC 661 protocol. Before the installation and flight test of the traffic monitoring system, laboratory testing is required. Currently, laboratory testing of traffic monitoring systems primarily involves: 1. Building a data stimulus test system and display system using real or simulated avionics equipment to fully simulate the airborne environment of the traffic monitoring system; 2. Using ARINC 429 and AFDX debugging tools, external stimulus data is input to debug the avionics interfaces of the traffic monitoring system.

[0005] Existing technologies have shortcomings: Data stimulus test systems built with real or simulated avionics equipment can fully simulate the airborne environment, but they are bulky and expensive to build, making them inconvenient for use in the production and commissioning of traffic monitoring system equipment. Using general debugging tools such as ARINC429 Assistant and AFDX Assistant to input simulated data stimulus to control the traffic monitoring system is complex and inefficient, and it is difficult to implement dynamic data stimulus and cannot verify the communication protocol functions of ARINC661 (the interface standard between cockpit display systems and user systems). Summary of the Invention

[0006] The purpose of the present invention is to provide a digital excitation verification method and device for an airborne traffic monitoring system to solve the problems existing in the prior art.

[0007] The technical solutions of the present invention are as follows:

[0008] A digital stimulus verification device for an airborne traffic monitoring system comprises: a traffic monitoring system and a digital stimulus device interconnected with the traffic monitoring system; the digital stimulus device is interconnected with the traffic monitoring system via an AFDX communication module, an ARINC429 communication module, and a discrete IO interface; the digital stimulus device is equipped with built-in traffic monitoring system digital stimulus software for simulating an avionics laboratory joint test environment, emulating external avionics data input of the traffic monitoring system, simulating an ND display, a PFD display, simulating the display of TA / RA and OT / PT warning target information, and displaying TSS traffic monitoring system configuration information.

[0009] Furthermore, the digital excitation device comprises: an interface hardware layer, an interface driver layer and an application software layer;

[0010] The application software layer includes: traffic monitoring system digital excitation software;

[0011] The interface driver layer includes: AFDX board driver, ARINC429 board driver, discrete IO board driver, RS232 serial port driver and Ethernet driver;

[0012] The interface hardware layer includes: AFDX simulation card, ARINC429 board, discrete IO board, RS232 serial port and Ethernet port.

[0013] Furthermore, the traffic monitoring system includes: a left host of the traffic monitoring system, a right host of the traffic monitoring system, and an upper antenna and a lower antenna connected to the left host of the traffic monitoring system and the right host of the traffic monitoring system.

[0014] Furthermore, the upper antenna and the lower antenna are connected to an antenna switching control unit, and the antenna switching control unit is connected to a left host of the traffic monitoring system and a right host of the traffic monitoring system.

[0015] Furthermore, port A of the AFDX simulation card is connected to port A of the AFDX sub-card and port B of the AFDX sub-card of the left host of the traffic monitoring system through a switch, and port B of the AFDX sub-card is connected to port A of the AFDX sub-card and port B of the AFDX sub-card of the right host of the traffic monitoring system through a switch, for carrier data communication of the AFDX interface type required for the TCAS and XPDR functions of the traffic monitoring system.

[0016] Furthermore, the interface of the ARINC429 simulation card is connected to the ARINC429 interface of the left host of the traffic monitoring system and the ARINC429 interface of the right host of the traffic monitoring system for TCP tuning control panel data backup communication.

[0017] Furthermore, the interface of the discrete IO board is connected to the antenna switching control unit to simulate the airborne RDIU function to control the antenna switching switch.

[0018] Furthermore, the digital excitation software of the traffic monitoring system includes: an aircraft data excitation module, a TCP tuning control panel simulation module, a traffic target information display module, and an OMS maintenance loading function module.

[0019] Furthermore, the carrier data excitation module simulates the avionics data excitation of the AFDX interface of the traffic monitoring system externally input, and simulates the external data input according to the data interface definition in the ICD file;

[0020] The TCP tuning control panel simulation module provides a tuning control panel simulation interface to realize static sensitivity level control, A code input, monitoring airspace selection, display altitude type selection, and left and right host selection;

[0021] The traffic target information display module complies with the ARINC661 standard and provides ND navigation display simulation page and PFD primary flight display simulation page.

[0022] The OMS maintenance loading function module complies with the ARINC615 standard, provides an OMS configuration information viewing panel, an OMS startup test control page, and is responsible for remote loading based on AFDX.

[0023] The present invention also proposes a digital excitation verification method for an airborne traffic monitoring system, which uses the above-mentioned digital excitation verification device for an airborne traffic monitoring system to perform excitation verification.

[0024] Compared with the existing technology, the beneficial effects of the present invention are:

[0025] 1. The present invention has low development cost, small size and can be flexibly deployed.

[0026] 2. The present invention implements a traffic target information display protocol based on the A661 standard, and realizes a simulated display of traffic display targets.

[0027] 3. The present invention realizes the interface function simulation of the cross-linking between the airborne RDIU and the traffic monitoring system based on the analog signal interface of the AFDX board and the discrete IO board, and realizes the control function of the antenna switching switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of a digital stimulus verification device for an airborne traffic surveillance system;

[0029] Figure 2 This is the schematic diagram of the digital excitation device;

[0030] Figure 3 Execute a control flow graph for the stimulus data processing logic. DETAILED DESCRIPTION

[0031] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element.

[0032] The features and performance of the present invention are further described in detail below with reference to the embodiments.

[0033] Example 1

[0034] A digital stimulus verification device for an airborne traffic surveillance system, comprising:

[0035] See also Figure 1 , a traffic monitoring system and a digital excitation device interconnected with the traffic monitoring system; the digital excitation device is interconnected with the traffic monitoring system through an AFDX communication module, an ARINC429 communication module and a discrete IO interface; the digital excitation device is equipped with a traffic monitoring system digital excitation software, which is used to simulate the avionics laboratory joint test environment, simulate the external avionics data input of the traffic monitoring system, simulate the ND display, PFD display, simulate the display of TA / RA and OT / PT warning target information, and display TSS configuration information; it should be noted that the hardware composition of the digital excitation device is based on a general industrial computer platform, with the addition of AFDX boards, ARINC429 boards, and discrete IO boards.

[0036] See also Figure 2 ,In this embodiment, specifically, the digital excitation device includes: an interface hardware layer, an interface driver layer and an application software layer;

[0037] The application software layer includes: traffic monitoring system digital excitation software;

[0038] The interface driver layer includes: AFDX board driver, ARINC429 board driver, discrete IO board driver, RS232 serial port driver and Ethernet driver;

[0039] The interface hardware layer includes: an AFDX simulation card, an ARINC429 board, a discrete IO board, an RS232 serial port, and an Ethernet port; the AFDX simulation card and ARINC429 board are used to simulate the external communication interface of the carrier aircraft avionics equipment; that is, the data stimulus device is simultaneously embedded with an AFDX simulation card with a PCIE interface, an ARINC429 board with a USB interface, and a discrete IO board with a PCIE interface, integrating software simulation and semi-physical simulation to realize the simulation of the functional interface of the carrier aircraft equipment externally interconnected with the traffic monitoring system.

[0040] In this embodiment, specifically, the traffic monitoring system includes: a left host of the traffic monitoring system, a right host of the traffic monitoring system, and an upper antenna and a lower antenna connected to the left host of the traffic monitoring system and the right host of the traffic monitoring system.

[0041] In this embodiment, specifically, the upper antenna and the lower antenna are connected to an antenna switching control unit, and the antenna switching control unit is connected to a left host of the traffic monitoring system and a right host of the traffic monitoring system.

[0042] In this embodiment, specifically, port A of the AFDX simulation card is connected to port A of the AFDX sub-card and port B of the AFDX sub-card of the left host of the traffic monitoring system through a switch, and port B of the AFDX sub-card is connected to port A of the AFDX sub-card and port B of the AFDX sub-card of the right host of the traffic monitoring system through a switch, and is used for carrier data communication of the AFDX interface type required for the TCAS and XPDR functions of the traffic monitoring system.

[0043] In this embodiment, specifically, the interface of the ARINC429 simulation card is connected to the ARINC429 interface of the left host of the traffic monitoring system and the ARINC429 interface of the right host of the traffic monitoring system for TCP tuning control panel data backup communication.

[0044] In this embodiment, specifically, the interface of the discrete IO board is connected to the antenna switching control unit to simulate the airborne RDIU function to control the antenna switching switch.

[0045] In this embodiment, specifically, the traffic monitoring system digital excitation software includes: an aircraft data excitation module, a TCP tuning control panel simulation module, a traffic target information display module, and an OMS maintenance loading function module.

[0046] In this embodiment, specifically, the carrier data excitation module excites and simulates the avionics data of the AFDX interface of the traffic monitoring system, and simulates the external data input according to the data interface definition in the ICD file. It should be noted that the simulated input external data includes: FCS flight control system data, RNS radio navigation system data, IRS inertial navigation system data, LGS landing gear system data, FMS flight management system data, IMA data, and OMS data.

[0047] The TCP tuning control panel simulation module provides a tuning control panel simulation interface to realize static sensitivity level control, A code input, monitoring airspace selection, display altitude type selection, and left and right host selection;

[0048] The traffic target information display module provides an ND navigation display simulation page; specifically displays TCASTA, TCASRA, TCAS PT, TCAS OT, ADSB OT, ADSB PT, ADSB RA, and ADSB TA targets. The targets can be displayed dynamically, and the user can manually select the Range range of the ND navigation display; displays the A661 connection status. If the A661 connection status is normal and the TSS host is in TA / RA mode, TFC is displayed. If the A661 connection status is normal and the TSS host is in STBY mode, STBY is displayed.

[0049] It also provides a PFD primary flight display simulation page, showing information such as pressure altitude, true airspeed, speed band, pitch angle, roll angle, etc. It should be noted that the EICMA simulator module on the main interface can view the system fault status. If there is a fault in the TSS traffic monitoring system host, TCAS FAULT, ADS-B INFAULT, XPDR FAULT, and ADSB Out Fault will be displayed on the EICAM simulator interface;

[0050] The OMS maintenance loading function module provides an OMS configuration information viewing panel, an OMS startup test control page, and is responsible for remote loading based on AFDX; it should be noted that the OMS configuration information viewing panel can view configuration information such as the TCAS software version number, TDI software version number, BSP driver version number, CPLD version number, encoding and decoding FPGA version number, and transceiver module version number; the OMS startup test control page can select the target machine for the startup test, control the startup test to start, control the startup test to continue, and control the startup test to terminate; remote loading based on AFDX can realize remote loading of TCAS software firmware, TDI software firmware, ICO parameters, AFDX configuration files and other data based on the AFDX communication interface and ARINC615 protocol.

[0051] In this embodiment, it should be noted that when the TCP tuning control panel switches the left and right hosts, it dynamically switches the AFDX simulation card configuration file to control an AFDX simulation card to communicate with the left and right traffic monitoring system hosts.

[0052] In this embodiment, it should be noted that the full-function simulation of the external excitation data of the traffic monitoring system can be realized according to the ICD file interface definition. The values ​​of the excitation data such as pressure altitude, radio altitude, longitude and latitude can be configured through the visual UI interface.

[0053] This embodiment, based on the ARINC 615A-3-2007 protocol, implements program loading and upgrading and data log downloading, while also being compatible with both standard UDP and AFDX communication protocols. This not only simulates the onboard OMS loading and maintenance control functions, but also facilitates program loading via a standard debugging network port during production debugging. Furthermore, the UDP interface can serve as a backup for the AFDX interface.

[0054] In this embodiment, a digital excitation verification method for an airborne traffic monitoring system is also proposed, and the digital excitation verification device for an airborne traffic monitoring system mentioned above is used to perform excitation verification. It should be noted that the excitation data processing logic execution control flow is as follows: Figure 3 shown.

[0055] The above-described embodiments merely represent specific implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of protection of the present application. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the technical concept of the present application, and all such variations and improvements fall within the scope of protection of the present application.

[0056] This background section is provided to generally present the context of the invention, and the work of the presently named inventors, the work to the extent described in this background section, and aspects of the description in this section that did not constitute prior art at the time of filing are neither explicitly nor implicitly admitted to be prior art to the present invention.

Claims

1. A digital stimulus verification device for an airborne traffic surveillance system, characterized in that: The digital excitation device is interconnected with the traffic monitoring system through the AFDX communication module, ARINC429 communication module and discrete IO interface; the digital excitation device has built-in traffic monitoring system digital excitation software, which is used to simulate the avionics laboratory joint test environment, simulate the external avionics data input of the traffic monitoring system, simulate the ND display, PFD display, simulate the display of TA / RA and OT / PT warning target information, and display TSS configuration information.

2. The digital stimulus verification device for an airborne traffic monitoring system according to claim 1, characterized in that: The digital excitation device comprises: an interface hardware layer, an interface driver layer and an application software layer; The application software layer includes: traffic monitoring system digital excitation software; The interface driver layer includes: AFDX board driver, ARINC429 board driver, discrete IO board driver, RS232 serial port driver and Ethernet driver; The interface hardware layer includes: AFDX simulation card, ARINC429 board, discrete IO board, RS232 serial port and Ethernet port.

3. The digital stimulus verification device for an airborne traffic monitoring system according to claim 2, characterized in that: Port A of the AFDX simulation card is connected to port A of the AFDX daughter card and port B of the AFDX daughter card of the left host of the traffic monitoring system through a switch, and port B of the AFDX daughter card is connected to port A of the AFDX daughter card and port B of the AFDX daughter card of the right host of the traffic monitoring system through a switch, and is used for carrier data communication of the AFDX interface type required for the TCAS and XPDR functions of the traffic monitoring system.

4. The digital stimulus verification device for an airborne traffic monitoring system according to claim 3, characterized in that: The interface of the ARINC429 simulation card is connected to the ARINC429 interface of the left host of the traffic monitoring system and the ARINC429 interface of the right host of the traffic monitoring system for TCP tuning control panel data backup communication.

5. The digital stimulus verification device for an airborne traffic monitoring system according to claim 4, characterized in that: The interface of the discrete IO board is connected to the antenna switching control unit to simulate the airborne RDIU function to control the antenna switching switch.

6. The digital stimulus verification device for an airborne traffic monitoring system according to claim 5, characterized in that: The digital excitation software of the traffic monitoring system includes: an aircraft data excitation module, a TCP tuning control panel simulation module, a traffic target information display module, and an OMS maintenance loading function module.

7. The digital stimulus verification device for an airborne traffic monitoring system according to claim 6, characterized in that: The carrier data excitation module simulates the avionics data excitation of the AFDX interface of the traffic monitoring system external input, and simulates the external data input according to the data interface definition in the ICD file; The TCP tuning control panel simulation module provides a tuning control panel simulation interface to realize static sensitivity level control, A code input, monitoring airspace selection, display altitude type selection, and left and right host selection; The traffic target information display module complies with the ARINC661 standard and provides ND navigation display simulation page and PFD primary flight display simulation page; The OMS maintenance loading function module complies with the ARINC615 standard, provides an OMS configuration information viewing panel, an OMS startup test control page, and is responsible for remote loading based on AFDX.

8. A digital stimulus verification method for an airborne traffic surveillance system, characterized in that: The digital excitation verification device for an airborne traffic monitoring system according to any one of claims 1 to 7 is used for excitation verification.

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