Helicopter electromechanical management system analog simulation test platform and system

Abstract

The invention provides a helicopter electromechanical management system analog simulation test platform and system, and belongs to the technical field of helicopter electromechanical management system simulation test, the helicopter electromechanical management system analog simulation test platform comprises a man-machine interaction layer, a test network layer, a simulation test layer and a system test connection layer, the man-machine interaction layer generates analog simulation excitation according to the interface control file ICD and a preset automatic test program; analog simulation excitation is transmitted to the simulation test layer through the test network layer; the simulation test layer simulates a simulation environment according to the simulation excitation, generates a corresponding excitation signal and sends the excitation signal to the system test connection layer; the system test connection layer converts the excitation signal into a DB78 standard interface signal and outputs the DB78 standard interface signal to the real device layer; the testing efficiency can be improved, different scene modification requirements can be met, and the adaptability to different interface control files of different electromechanical management systems is good.

Description

Technical Field

[0001] The invention belongs to the technical field of helicopter electromechanical management system simulation test, and in particular relates to a helicopter electromechanical management system simulation test platform and system. Background Art

[0002] The electromechanical management system refers to the airborne equipment system that is necessary to support the normal and safe operation of the aircraft and does not belong to the avionics system, flight control system and propulsion system. It includes multiple subsystems such as power system, fuel system, hydraulic system, environmental control system, etc. The electromechanical management system simulation test platform can simulate the faults on the aircraft very well and is used to detect whether the electromechanical management system can operate completely and effectively.

[0003] In the related art, the simulation test equipment for electromechanical management systems is basically a simulation test software developed for a single electromechanical management system. It not only takes a lot of time to adapt, but also some equipment cannot be automated, and users need to manually detect the test items. The adaptability of different interface control files for different electromechanical management systems is poor. Summary of the invention

[0004] In order to solve the technical problems of low efficiency of electromechanical management system simulation test equipment and poor adaptability to different interface control files in the related art, the present invention provides a helicopter electromechanical management system simulation test platform and system, which can improve the test efficiency, meet the needs of different modification scenarios, and have good adaptability to different interface control files of different electromechanical management systems. The technical solution is as follows:

[0005] In the first aspect, a helicopter electromechanical management system simulation test platform is provided, including: a human-computer interaction layer, a test network layer, a simulation test layer and a system test connection layer.

[0006] The human-computer interaction layer generates simulation stimuli according to the interface control file ICD and the preset automatic test program; and transmits the simulation stimuli to the simulation test layer through the test network layer. The human-computer interaction layer also sends parameter setting commands to the real device layer and receives the test results fed back by the real device layer;

[0007] The simulation test layer simulates the simulation environment according to the simulation stimulus, generates the corresponding stimulus signal and sends it to the system test connection layer;

[0008] The system test connection layer converts the stimulus signal into a DB78 standard interface signal and outputs it to the real device layer.

[0009] Furthermore, the system test connection layer is also used for power distribution and management.

[0010] Optionally, the human-computer interaction layer includes: a main control industrial computer, the main control industrial computer includes: a main control management unit and an FC bus communication unit, wherein the main control management unit includes: a simulation management module, a model management module, an ICD management module, a data monitoring module, an automated testing module, a fault injection module, a data storage / playback / analysis module, and a model library module.

[0011] Among them, the simulation management module is used to simulate the configuration of simulation stimuli; the model management module is used to build the automatic test model; the ICD management module is used to edit and configure the ICD; the data monitoring module is used to simulate the graphic monitoring of simulation stimuli; the automated test module is used to set up and manage the automatic test program; the fault injection module is used to set up the single point fault of the automatic test program; the data storage / playback / analysis module is used to store, process and analyze the simulation stimuli; the model library module is used to package the data of the automatic test program through the automatic test model and send it to the simulation test layer;

[0012] The FC bus communication unit includes an FC simulation board, which is used for communication between the human-machine interaction layer and the FC board of the device under test.

[0013] Optionally, the simulation test layer includes: an electromechanical system interface simulation device, the electromechanical system interface simulation device includes: a PXIe simulator, the PXIe simulator is provided with an RS422A board, an ARINC429 board, a CAN bus board, a DIO board, an AO board, an AI board, and a resistance analog output board.

[0014] Among them, the RS422A board is used for simulation and processing of RS422A data; the ARINC429 board is used for simulation and processing of 429 data; the CAN bus board is used for simulation and processing of CAN data; the DIO board is used for simulation and processing of digital signals; the AO board is used for output management of analog signals; the AI ​​board is used for input management of analog signals. All boards generate corresponding excitation signals and send them to the system test connection layer; the resistance analog output board is used to simulate resistance values.

[0015] Optionally, the system test connection layer includes: signal conditioning and signal switching equipment, the signal conditioning and signal switching equipment includes a signal conditioning box and a signal switching box,

[0016] The signal conditioning box converts the excitation signal to obtain the DB78 standard interface signal, and outputs it to the real device layer through the signal transfer box.

[0017] Furthermore, the signal conditioning and signal switching equipment also includes: a signal breakpoint test box, which is used to complete the detection and bypass collection of the excitation signal.

[0018] Furthermore, the system test connection layer also includes: a power distribution control device, the power distribution control device includes: a power main control box and a DC power supply;

[0019] The power control box is used for power distribution and switching; the DC power supply is used to provide stable DC power to the real equipment layer.

[0020] In a second aspect, a helicopter electromechanical management system simulation test system is provided, the system comprising any helicopter electromechanical management system simulation test platform described in the first aspect, and a real equipment layer,

[0021] The helicopter electromechanical management system simulation test platform generates simulation excitation according to the interface control file ICD and the preset automatic test program; generates corresponding excitation signals according to the simulation excitation simulation environment; and converts the excitation signals into DB78 standard interface signals and outputs them to the real equipment layer;

[0022] The helicopter electromechanical management system simulation test platform also sends parameter setting commands to the real equipment layer and receives test results fed back by the real equipment layer.

[0023] The helicopter electromechanical management system simulation test platform provided by the present invention adopts a modular design, which is conducive to adapting to different application scenarios in the future. The automated test design is conducive to improving the test efficiency. The convenient interface control file entry can meet the needs of different modification scenarios. It has good adaptability to different interface control files of different electromechanical management systems and can adapt to the simulation test needs of a variety of different electromechanical management systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of a helicopter electromechanical management system simulation test platform provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The present application is further described in detail below through specific implementation methods and drawings.

[0026] An embodiment of the present invention provides a helicopter electromechanical management system simulation test platform, such as Figure 1 As shown, the platform includes: human-computer interaction layer, test network layer, simulation test layer, and system test connection layer.

[0027] The human-machine interaction layer generates simulation stimuli according to the interface control file ICD and the preset automatic test program, and transmits the simulation stimuli to the simulation test layer through the test network layer. The human-machine interaction layer also sends parameter setting commands to the real device layer and receives the test results fed back by the real device layer.

[0028] The human-machine interaction layer is used for human-machine delivery and master control management, configures automated testing, enters and manages different interface control files ICD of different electromechanical management systems, loads ICD and automated testing with different requirements, and changes requirements at any time according to different test environments.

[0029] The main control industrial computer of the machine interaction layer and the electromechanical system interface simulation device of the simulation test layer are connected through the test network layer, and the main control industrial computer and the electromechanical system interface simulation device communicate through Ethernet and hard-wired network connection.

[0030] The simulation test layer simulates the simulation environment according to the simulation stimulus, generates corresponding stimulus signals and sends them to the system test connection layer.

[0031] The system test connection layer converts the excitation signal into a DB78 standard interface signal and outputs it to the real device layer. The system test connection layer is used for conditioning and conversion of the excitation signal. Furthermore, the system test connection layer is also used for the distribution and management of power supply.

[0032] In another embodiment, if Figure 1 As shown, the human-computer interaction layer includes: a main control industrial computer. The main control industrial computer includes: a main control management unit and an FC bus communication unit.

[0033] Among them, the main control management unit includes: simulation management module, model management module, ICD management module, data monitoring module, automated testing module, fault injection module, data storage / playback / analysis module, and model library module.

[0034] The simulation management module is used to simulate the configuration of simulation incentives;

[0035] The model management module is used to automatically build test models;

[0036] The ICD management module is used for editing and configuring ICD;

[0037] The data monitoring module is used for graphical monitoring of simulation excitation;

[0038] The automated testing module is used for setting up and managing automated testing programs;

[0039] The fault injection module is used to automatically test the single point failure settings of the program;

[0040] The data storage / playback / analysis module is used for storage, processing and analysis of simulation excitations;

[0041] The model library module is used to package and process the data of the automatic test program through the automatic test model and send it to the simulation test layer.

[0042] The FC bus communication unit includes: FC simulation board 1, FC simulation board 2,

[0043] Among them, FC simulation board 1 and FC simulation board 2 are used for communication between the human-computer interaction layer and the FC board of the device under test.

[0044] In another embodiment, the signal type of the simulation stimulus sent by the human-computer interaction layer is at least one of RS422A, ARINC429, CAN, DIO, and AO / AI. Accordingly, Figure 1 As shown, the simulation test layer includes: electromechanical system interface simulation equipment, the electromechanical system interface simulation equipment includes: PXIe simulator, the PXIe simulator is equipped with RS422A board, ARINC429 board, CAN bus board, DIO board, AO board, AI board, and resistance analog output board.

[0045] Among them, the RS422A board is used for simulation and processing of RS422A data;

[0046] ARINC429 board is used for simulation and processing of 429 data;

[0047] CAN bus card is used for CAN data simulation and processing;

[0048] DIO boards are used for simulation and processing of digital signals;

[0049] AO board and AI board are used for simulation and processing of analog signals. AO board is used for output management of analog signals, and AI board is used for input management of analog signals;

[0050] All the above boards generate corresponding stimulus signals and send them to the system test connection layer.

[0051] The resistance analog output board is used to simulate resistance values.

[0052] In another embodiment, if Figure 1 As shown, the system test connection layer includes: signal conditioning and signal switching equipment. The signal conditioning and signal switching equipment includes a signal conditioning box and a signal switching box.

[0053] Among them, the signal conditioning box is used to convert the excitation signal to obtain the DB78 standard interface signal, and output it to the real device layer through the signal transfer box.

[0054] Furthermore, the signal conditioning box will also perform limiting processing on voltage, current and other signals in the excitation signal that exceed the standard range.

[0055] The signal transfer box is used to connect various types of excitation signals to a unified aviation plug connector, which is connected to the real device layer through a test cable; at the same time, the signal transfer box also provides an aviation plug interface for interconnecting the excitation signal with the real device layer.

[0056] Furthermore, in another embodiment, the signal conditioning and signal switching equipment also includes a signal breakpoint test box, through which the detection and bypass collection of the excitation signal can be realized, which may include functions such as signal open circuit and short circuit. The front panel of the signal breakpoint test box separates the test environment from the real device end, and the bypass and fault injection functions can be realized through on-site connection of the short-circuit block; the input and output signals can also be measured through multimeters, oscilloscopes and other equipment; at the same time, a fault injection module is installed to support manual disconnection. The fault injection module can manually operate the signal on and off through the disconnection block of the panel, and the connection between the real device layer and the simulation test layer can be manually tested at the disconnection block on the front panel.

[0057] In another embodiment, further, Figure 1 As shown, the system test connection layer also includes: power distribution control equipment. The power distribution control equipment may include: a power main control box and a DC power supply.

[0058] The main power control box is used for power distribution and switching;

[0059] The DC power supply is used to provide stable DC power supply to the real equipment layer.

[0060] In another embodiment, a plurality of devices under test included in the real device layer, such as device under test 1, device under test 2 to device under test N, may be determined according to actual conditions.

[0061] By way of example, the device under test may be a mechatronics management computer, a remote interface unit, a mechatronics parameter display, and the like.

[0062] An embodiment of the present invention also provides a helicopter electromechanical management system simulation test system, such as Figure 1 As shown, the system includes the helicopter electromechanical management system simulation test platform described in the embodiment of the present invention, and the real equipment layer.

[0063] The helicopter electromechanical management system simulation test platform generates simulation excitation according to the interface control file ICD and the preset automatic test program; then generates corresponding excitation signals according to the simulation excitation simulation environment; and converts the excitation signals into DB78 standard interface signals and outputs them to the real equipment layer;

[0064] The helicopter electromechanical management system simulation test platform also sends parameter setting commands to the real equipment layer and receives test results fed back by the real equipment layer. For example, the parameter setting commands can be atmospheric temperature, airspeed, main inertial navigation, etc.; the test results fed back by the real equipment layer can be the amount of fuel in the left fuel tank, the amount of fuel in the left external auxiliary fuel tank, etc.

[0065] The above only expresses the implementation methods of the present application, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. In addition, the parts that are not detailed in this application are all conventional technologies.

Claims

1. A helicopter electromechanical management system simulation test platform, characterized in that: include: Human-computer interaction layer, test network layer, simulation test layer and system test connection layer, The human-computer interaction layer is used to generate simulation stimuli according to the interface control file ICD and the preset automatic test program; and transmit the simulation stimuli to the simulation test layer through the test network layer. The human-computer interaction layer is also used to send parameter setting commands to the real device layer and receive test results fed back by the real device layer; The simulation test layer is used to simulate the simulation environment according to the simulation stimulus, generate the corresponding stimulus signal and send it to the system test connection layer; The system test connection layer is used to convert the stimulus signal into a DB78 standard interface signal and output it to the real device layer.

2. The helicopter electromechanical management system simulation test platform according to claim 1 is characterized in that: The system test connection layer is also used for power distribution and management.

3. The helicopter electromechanical management system simulation test platform according to claim 1 is characterized in that: The human-computer interaction layer includes: the main control industrial computer, which includes: the main control management unit and the FC bus communication unit. The main control management unit includes: simulation management module, model management module, ICD management module, data monitoring module, automated testing module, fault injection module, data storage / playback / analysis module, and model library module. Among them, the simulation management module is used to simulate the configuration of simulation stimuli; the model management module is used to build the automatic test model; the ICD management module is used to edit and configure the ICD; the data monitoring module is used to simulate the graphic monitoring of simulation stimuli; the automated test module is used to set up and manage the automatic test program; the fault injection module is used to set up the single point fault of the automatic test program; the data storage / playback / analysis module is used to store, process and analyze the simulation stimuli; the model library module is used to package the data of the automatic test program through the automatic test model and send it to the simulation test layer; The FC bus communication unit includes an FC simulation board, which is used for communication between the human-machine interaction layer and the FC board of the device under test.

4. The helicopter electromechanical management system simulation test platform according to claim 1 is characterized in that: The simulation test layer includes: electromechanical system interface simulation equipment, which includes: PXIe simulator, which is equipped with RS422A board, ARINC429 board, CAN bus board, DIO board, AO board, AI board, and resistance analog output board. Among them, the RS422A board is used for simulation and processing of RS422A data; the ARINC429 board is used for simulation and processing of 429 data; the CAN bus board is used for simulation and processing of CAN data; the DIO board is used for simulation and processing of digital signals; the AO board is used for output management of analog signals; the AI ​​board is used for input management of analog signals. All of the above boards generate corresponding excitation signals and send them to the system test connection layer; the resistance analog output board is used to simulate resistance values.

5. The helicopter electromechanical management system simulation test platform according to claim 1 is characterized in that: The system test connection layer includes: signal conditioning and signal transfer equipment, signal conditioning and signal transfer equipment includes signal conditioning box, signal transfer box, The signal conditioning box is used to convert the excitation signal to obtain the DB78 standard interface signal, and output it to the real device layer through the signal transfer box.

6. The helicopter electromechanical management system simulation test platform according to claim 5 is characterized in that: The signal conditioning and signal switching equipment also includes: a signal breakpoint test box, which is used to complete the detection and bypass collection of the excitation signal.

7. The helicopter electromechanical management system simulation test platform according to claim 5 is characterized in that: The system test connection layer also includes: power distribution control equipment, which includes: power master control box and DC power supply; The power control box is used for power distribution and switching; the DC power supply is used to provide stable DC power to the real equipment layer.

8. A helicopter electromechanical management system simulation test system, characterized in that: It comprises a helicopter electromechanical management system simulation test platform as described in any one of claims 1 to 7, and a real equipment layer, The helicopter electromechanical management system simulation test platform generates simulation excitation according to the interface control file ICD and the preset automatic test program; generates corresponding excitation signals according to the simulation excitation simulation environment; and converts the excitation signals into DB78 standard interface signals and outputs them to the real equipment layer; The helicopter electromechanical management system simulation test platform also sends parameter setting commands to the real equipment layer and receives test results fed back by the real equipment layer.

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