Modular airborne integrated electronic system capable of being expanded in hexahedron structure mode

Abstract

The invention provides a modularized airborne integrated electronic system capable of expanding in a hexahedron structure mode, which has the functions of signal receiving, information processing, data interaction, instruction output and the like of various sensors, and realizes the functions of navigation, guidance, control and the like. Hardware resource collaborative configuration and function collaborative design are carried out on various function requirements according to a functional architecture of'sensor + information processing + execution ', and electrical interfaces, structural interfaces, communication interfaces and the like are unified and standardized. Design software is developed according to an open architecture of'operating system + application software ', information is classified, layered and fused, and software interfaces are unified and standardized. High-speed interconnection among the modules is realized according to a high-speed bus, and bus interfaces are unified and standardized. According to the invention, the unification of the functions of the single machines of the traditional form of the control system can be realized, the unification of the hardware architecture of each single machine can be carried out to the greatest extent, and different types of hardware function modules are divided and finally integrated into a whole.

Description

Technical Field

[0001] The invention relates to a modularized airborne integrated electronic system which can be expanded in a hexahedral structure, and belongs to the field of airborne controllers. Background Art

[0002] In modern airborne systems, the demand for miniaturized, modular, universal, and integrated airborne comprehensive electronic equipment is becoming more and more urgent. Traditional airborne electronic systems adopt a compartment-type discrete layout, which is large in size and weight, and has low integration. Each single machine still generally uses processor chips with low computing power and high power consumption. The electrical connection and data interaction between single machines occupy a large amount of cable network resources on the aircraft, limiting the intelligent development of the aircraft. Looking at the application of advanced airborne electronic equipment at home and abroad, the integrated fusion design of electronic equipment can not only greatly reduce the scale of onboard equipment hardware and software, improve the reliability and maintainability of the system, but also improve the level of serialization, modularization, and universalization of equipment.

[0003] The overall requirements for the development and delivery cycle of single-machine onboard equipment are constantly shortening. Traditional single-machine onboard equipment generally follows a customized development routine. In the face of different overall requirements, the contractor needs to bear a large design cost and cannot quickly respond to the overall delivery cycle requirements. Summary of the invention

[0004] The technical problem solved by the present invention is: to overcome the deficiencies of the prior art and to provide a modular airborne integrated electronic system that can be expanded in a hexahedral structure.

[0005] The technical solution of the present invention is: a modular airborne integrated electronic system that can be expanded in a hexahedral structure, including: a secondary power supply module, a power distribution management module, a power distribution execution module, an interface management module, an AI intelligent module, an information processing module, an integrated radio frequency module and an internal cable module; wherein:

[0006] The secondary power supply module is used to filter, isolate, and perform secondary conversion on the output of the external power supply. After generating the power voltage required by the system, the secondary power supply voltage is transmitted to other modules in the system through the internal power bus.

[0007] As the core unit of power supply and distribution management, the power distribution management module receives the timing control instructions sent by the information processing module and sends IO instructions to the power supply and distribution execution module according to the action timing designed in advance;

[0008] The power distribution execution module receives the IO instructions from the power distribution management module and is responsible for controlling the corresponding circuits;

[0009] The interface management module provides multiple universal interfaces, provides interactive interfaces for other functional modules, and can also connect external stand-alone machines to the system;

[0010] The integrated radio frequency module transmits and receives radio frequency signals of each frequency band of the integrated antenna, collects and processes the data, and then sends it to the information processing module;

[0011] The information processing module processes all digital signals in the system, including receiving signals processed by the integrated radio frequency module, receiving information from various external sensors, and performing data processing for data link baseband, collaborative networking, and positioning and navigation;

[0012] The intelligent AI module provides high computing power support, can receive and process and analyze the data of visual sensors in real time, perform target recognition and tracking based on the deployed intelligent algorithms, and can autonomously plan paths and avoid obstacles based on the data of visual sensors, and has the ability to make autonomous decisions.

[0013] The internal cable module is responsible for the internal transmission of communication interaction signals between various functional modules within the system.

[0014] Preferably, the power distribution execution module includes a relay control unit and a load control unit, wherein:

[0015] The relay control unit receives the control command from the power distribution management module, and controls the ignition of the pyrotechnic circuit after the relay is controlled;

[0016] The load control unit receives control instructions from the power distribution management module, controls the power output, and supplies power to the external devices of the system.

[0017] Preferably, the common interfaces provided by the interface management module include:

[0018] RS422, DI, DO, CAN_FD, CAN, 100M / 1000M Ethernet port, 1553B, PCIE and interrupt interface.

[0019] Preferably, the information processing module adopts a high-performance heterogeneous multi-core processor PSoC, which uses the FMQL100TAI900 architecture and integrates a multi-core processing system PS and a programmable logic unit PL, wherein:

[0020] The multi-core processing system PS is responsible for task scheduling, operating system adaptation, navigation and guidance control, sensor information processing, interrupt response, anti-interference, and digital signal processing;

[0021] The programmable logic unit PL is responsible for timing logic control, signal preprocessing, and interface expansion.

[0022] Preferably, when the integrated electronic system is not equipped with an AI intelligent module, an AI acceleration engine unit is integrated in the information processing module to deploy intelligent algorithms, and the AI ​​acceleration engine unit can perform navigation and guidance based on data from external sensors received by the information processing module.

[0023] Preferably, the processing of the collected data by the integrated radio frequency module includes:

[0024] Power control, frequency conversion processing, filtering processing, and clock processing.

[0025] Preferably, the modules have the same external structural dimensions and all adopt a universal standardized hexahedral structural frame. The modules can form a hexahedral structure, and each face of the hexahedron can serve as a base for the extension and installation of each module.

[0026] Preferably, the electrical connection of each module adopts a unified standard board-type design:

[0027] Each module uses a universal inter-board connector and can be stacked through the universal inter-board connector;

[0028] The printed circuit boards of each module are laid out with the smallest size. At the same time, sufficient bus types are reserved on the universal board connectors, and signal points are pre-specified, so that they can be quickly matched and connected when adding functional modules.

[0029] All common inter-board connectors are interconnected and the point signal definitions are consistent.

[0030] Preferably, the internal cable module adopts a flexible printed circuit board.

[0031] Compared with the prior art, the present invention has the following advantages:

[0032] (1) All functional modules of the present invention are plug-and-play, highly flexible, and convenient for hardware replacement and upgrading; different signals are processed separately, with high isolation; the devices are universal, and the material cost is low; each system is independent, and power management is convenient; fault isolation and high system reliability;

[0033] (2) The interface management module of the present invention adopts the SOC+peripheral interface circuit architecture. This solution can effectively reduce the debugging cost and the risk of product implementation, and has a high degree of technical inheritance. This solution will not cause delays in the signal transmission process and can ensure the synchronization of signal transmission. According to different overall requirements and signal transmission requirements, this module transmits the external single-machine signal to the high-speed bus PCIE or the low-speed bus CAN-FD to achieve interconnection between the internal and external modules of the system. This module can effectively improve the efficiency of data transmission and is suitable for systems with short control cycle requirements;

[0034] (3) The power module of the present invention can be rapidly expanded according to different power load requirements to adapt to different external load conditions;

[0035] (4) The internal cable module of the present invention predefines all point signals, which can adapt to the addition of different functional modules or quickly change the points to the greatest extent, and has good universal inheritance;

[0036] (5) The hexahedral frame installation structure of the present invention can maximize the use of the installation space, and different functional modules can be stacked in six directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a block diagram of the airborne integrated electronic system module of the present invention;

[0038] Figure 2 The signal flow diagram of the airborne integrated electronic system of the present invention;

[0039] Figure 3 It is a block diagram of the hexahedral framework structure of the airborne integrated electronic system of the present invention;

[0040] Figure 4 It is a schematic diagram of the internal function modules of the airborne integrated electronic system of the present invention;

[0041] Figure 5 The diagram is a schematic diagram of the interior of the cable of the airborne integrated electronic system of the present invention. DETAILED DESCRIPTION

[0042] In the face of problems with existing technologies, it is necessary to integrate the various functions of airborne electronic equipment, maximize the utilization of hardware resources, and maximize the unification of architecture and interfaces, so as to quickly implement product iterations, improve the technical inheritance of products, and eliminate customization ideas.

[0043] The present invention provides a modular airborne integrated electronic system that can be expanded in a hexahedral structure, comprising: a secondary power supply module, a power distribution management module, a power distribution execution module, an interface management module, an AI intelligent module, an information processing module, an integrated radio frequency module and an internal cable module; wherein:

[0044] (1) The secondary power supply module is used to filter, isolate, and perform secondary conversion on the input primary power supply. After generating the power voltage required by the system, the secondary power supply voltage is transmitted to other modules in the system through an internal power bus. The module has a universal electrical interface and mechanical interface, maintains a hexahedral structure, and has the same length and width as other modules.

[0045] (2) The power distribution management module serves as the core unit of power supply and distribution management. It receives the timing control instructions sent by the information processing module and sends the IO instructions for activating the circuit to the power supply and distribution execution module according to the action timing designed in advance. The module has a universal electrical interface and mechanical interface, maintains a hexahedral structure, and its length and width are consistent with other modules.

[0046] (3) The power distribution execution module is mainly composed of a relay control unit and a load control unit. It receives control instructions from the power distribution management module, completes power supply control for the remaining units, and controls the electromagnetic relay according to the ignition instructions from the power distribution management module to achieve ignition control of the pyrotechnic circuit. The module has a universal electrical interface and mechanical interface, maintains a hexahedral structure, and has the same length and width as other modules; wherein:

[0047] The relay control unit receives the control command from the power distribution management module, and the relay is controlled to act externally to control the ignition of the pyrotechnic circuit;

[0048] The load control unit receives control instructions from the power distribution management module and performs power output control for powering external devices of the system.

[0049] (4) The interface management module provides multiple RS422, DI, DO, CAN_FD, CAN, 100M / 1000M Ethernet port, 1553B, PCIE, interrupt and other universal interfaces, which can connect the external stand-alone system to the system and interact with other functional modules. The module has a universal electrical interface and mechanical interface, maintains a hexahedral structure, and its length and width are consistent with other modules.

[0050] (5) The intelligent AI module provides large computing power support, completes image and video processing, can analyze data obtained by relevant sensors in real time, quickly and accurately identify targets and complete tracking, etc.; completes autonomous navigation and guidance, combines multi-source navigation methods with the autonomous decision-making ability of intelligent AI, so that the system can realize autonomous path planning and obstacle avoidance; assists the communication system, improves the communication transmission rate, real-time and reliability, completes situational awareness, collaborative decision-making, etc.; realizes intelligent maintenance and management, monitors the health status and performance parameters of the aircraft in real time, and predicts potential faults. This module has a universal electrical interface and mechanical interface, maintains a hexahedral structure, and has the same length and width as other modules.

[0051] (6) The information processing module described above adopts a high-performance heterogeneous multi-core processor PSoC. PSoC uses the FMQL100TAI900 architecture to separate the digital signal processing, analog signal processing, and radio frequency signal processing on the traditional core board. This is a highly functionally integrated and fused architecture. PSoC integrates PS (multi-core processing system) and PL (programmable logic unit) internally, and can also integrate an AI acceleration engine unit. PS has the ability to implement task scheduling and allocation, operating system adaptation, navigation and guidance control, sensor information processing, interrupt response, anti-interference algorithm, digital signal processing, etc. PL can be used to implement sequential logic control, signal preprocessing, interface expansion, etc. The module has a universal electrical interface and mechanical interface, maintains a hexahedral structure, and its length and width dimensions are consistent with other modules.

[0052] (7) The integrated radio frequency module mainly realizes the radio frequency function of data link communication, including telemetry, remote control and satellite navigation reception functions, and the receiving and transmitting frequency bands cover the L, S and C bands. The module has a universal electrical interface and mechanical interface, maintains a hexahedral structure, and its length and width dimensions are consistent with other modules.

[0053] (8) The internal cable module described above mainly realizes the internal transmission of high-speed signals, low-speed signals, and power signals, and connects various functional modules to enable communication and interaction between them.

[0054] The integrated electronic system architecture mentioned in the full text can support two forms of intelligent AI function implementation, one is based on heterogeneous multi-core chips as the information processing module architecture, and the other is based on an independent AI acceleration module, depending on the specific usage requirements. The intelligent AI module provides a common electrical interface with the information processing module and transmits data through an external high-speed bus. On the other hand, the intelligent AI module also provides a common electrical interface for data interaction with various sensors, such as cameras, various lidar sensors, etc.

[0055] The electrical connection adopts a modular design concept and a unified standard board-card design. Each module has the same structural size and is stacked with a universal inter-board connector to achieve signal transmission and power supply and distribution of each functional module. The weak current signals between boards use the same series of inter-board connectors for interaction, which can effectively reduce the amount of cable network on the device. During the design, the printed circuit board is laid out with the minimum size, which can achieve flexible adaptive changes. On the other hand, sufficient bus types are reserved on the universal inter-board connector, and the signal points (power supply, bus interface, ground, spare, etc.) are pre-specified, so that they can be quickly matched and connected when adding functional modules.

[0056] The structural installation adopts a modular design concept to design a universal standardized hexahedral structural frame, which also serves as the base for the extension and installation of each module. Universal connectors for interconnection between modules are arranged on each surface of the frame structure. The gyroscope, additional table and navigation information processing board of the inertial group are installed inside the frame structure. The universal connector on the interface board of the core processing module (information processing module) transmits the signal to the universal connector on each surface of the frame structure through internal routing, so that all universal connectors are interconnected and the point signal definition is consistent. The internal cable module solution is implemented in the form of a flexible printed circuit board.

[0057] The technical problem solved by the present invention is: for the traditional discrete hardware architecture of the airborne controller, a modular integrated electronic system architecture that can be quickly cut and added with functional modules is designed. The present invention solves the above technical problem by the following technical solutions:

[0058] (1) Overall plan and interface planning

[0059] The main functions of the airborne integrated electronic system include the following.

[0060] a) Flight control functions: IMU information processing, timing logic control, navigation guidance control solution, baseband digital signal processing;

[0061] b) Satellite navigation and communication functions: anti-interference, short message sending and receiving, satellite frequency reception, positioning data output;

[0062] c) Communication functions: communication networking, remote control and telemetry, and relay;

[0063] d) Power distribution management function: timing control, relay execution;

[0064] e) Secondary power conversion function: DC / DC conversion, power filtering;

[0065] f) AI intelligent functions: image and video information processing, collaborative situational awareness, decision-making, etc.;

[0066] g) Interface management function: internal bus, external interface (RS422 / 485, 1553B, network port, IO, SRIO, GPIO, PCIe, etc.).

[0067] The functions of the airborne integrated electronic system are integrated and divided into multiple functional modules, including:

[0068] a) Power distribution module;

[0069] b) Secondary power supply module;

[0070] c) Interface management module;

[0071] d) AI intelligent module;

[0072] e) Information processing module;

[0073] f) Integrated radio frequency module I;

[0074] g) Integrated RF Module II.

[0075] The module composition is as follows Figure 1 shown.

[0076] To achieve modular function cutting and adding, it is necessary to plan the signal flow inside the system, such as Figure 2 shown.

[0077] (2) Structural design

[0078] Design a universal hexahedron frame structure. Each functional module has a universal installation interface and can be installed on each face of the hexahedron. The modules can also be installed by stacking. The universal electrical interface and signal points are specified between the modules. Figure 3 shown.

[0079] The connection between modules is planned to be in the form of connector docking. If there are two or more printed circuit boards in a single module, the printed circuit boards will use board-to-board docking connectors and adopt universal structural installation dimensions to assemble them into a functional module in a stacked manner. The connection between each functional module is connected and interacted with a unified universal board-to-board connector to achieve signal transmission and power supply and distribution of each functional module. Figure 4 shown.

[0080] (1) The system of the present invention integrates digital signal processing functions such as data link, altimeter, Beidou anti-interference, satellite navigation receiver, flight control, IMU information processing, etc., and mainly realizes functions such as data link baseband processing, multi-node networking, relay, data link anti-interference, timing control, navigation guidance control, positioning data output, IMU information processing, satellite navigation baseband processing, satellite navigation anti-interference, stand-alone software upgrade, digital signal processing, etc. It ensures that the information processing resources are sufficient and has the functional characteristics of "large and comprehensive".

[0081] (2) Adopting a modular design concept and a unified standard board-type design, each module has the same external structure and size and is stacked with a universal board-to-board connector to achieve signal transmission and power supply and distribution of each functional module. The weak current signals between boards use the same series of board-to-board connectors for interaction, which can effectively reduce the amount of cable network on the aircraft. During the design, the printed circuit board is laid out with the smallest size to achieve flexible adaptive changes. On the other hand, sufficient bus types are reserved on the universal board-to-board connector, and the signal points (power supply, bus interface, ground, spare, etc.) are pre-specified, so that they can be quickly matched and connected when adding functional modules.

[0082] (3) The frame structure serves as the outer shell of the inertial group and also as the base for the extension and installation of each module. Universal connectors for interconnection between modules are arranged on each surface of the frame structure, such as Figure 5 As shown, the mechanical interface and electrical interface of different functional modules can be adapted.

[0083] (4) The internal cable modules between modules are implemented by flexible printed circuit boards, such as Figure 5 As shown; the number of connectors is determined according to the number of functional modules introduced into the system, so that all connectors are interconnected and the point signal definitions remain consistent.

[0084] (5) The integrated RF module makes the RF part into a universal, integrated module, unifies the hardware architecture, and has the characteristics of hardware resource sharing, simplified system architecture, and improved spectrum utilization. In order to realize the RF functions of the data link, altimeter, and Beidou satellite navigation receiver, the RF transceiver function is made into a universal functional module, and the RF transceiver frequency band covers L, S, and C. The data link receiving and sending frequencies involve L, S, and C. At the RF end, a RF transceiver chip with a wide frequency band coverage is used to complete the RF front-end processing. This module mainly realizes the RF functions of satellite navigation, including the reception of satellite RF signals and short messages.

[0085] The present invention aims to provide a modular airborne integrated electronic system that can be expanded in a hexahedral structure. The system is the core of the onboard electronic equipment and information processing, provides a service support framework for electrical, information and control, and has the functions of signal reception, information processing, data interaction, command output and the like for various sensors, and realizes functions such as navigation, guidance and control. In terms of hardware, the hardware resources are collaboratively configured and the functional collaborative design is carried out for the various functional requirements on the aircraft according to the functional architecture of "sensor + information processing + execution", and the electrical interface, structural interface, communication interface and the like are uniformly standardized. In terms of software, the design is carried out according to the open architecture of "operating system + application software", the information is classified, layered, and fused, and the software interface is uniformly standardized. In terms of bus, high-speed interconnection between modules is realized according to the high-speed bus, and the bus interface is uniformly standardized. The scheme of the present invention can not only realize the functional unification of the traditional form of control system stand-alone, but also maximize the unification of the hardware architecture of each stand-alone, divide the hardware functional modules of different categories, and finally integrate them into one.

[0086] The contents not described in detail in the specification of the present invention belong to the prior art known to the professional and technical personnel in this field.

Claims

1. A modular airborne integrated electronic system that can be expanded in a hexahedral structure, characterized in that include: Secondary power supply module, power distribution management module, power distribution execution module, interface management module, AI intelligent module, information processing module, integrated radio frequency module and internal cable module; among which: The secondary power supply module is used to filter, isolate, and perform secondary conversion on the output of the external power supply. After generating the power voltage required by the system, the secondary power supply voltage is transmitted to other modules in the system through the internal power bus. As the core unit of power supply and distribution management, the power distribution management module receives the timing control instructions sent by the information processing module and sends IO instructions to the power supply and distribution execution module according to the action timing designed in advance; The power distribution execution module receives the IO instructions from the power distribution management module and is responsible for controlling the corresponding circuits; The interface management module provides multiple universal interfaces, provides interactive interfaces for other functional modules, and can also connect external stand-alone machines to the system; The integrated radio frequency module transmits and receives radio frequency signals of each frequency band of the integrated antenna, collects and processes the data, and then sends it to the information processing module; The information processing module processes all digital signals in the system, including receiving signals processed by the integrated radio frequency module, receiving information from various external sensors, and performing data processing for data link baseband, collaborative networking, and positioning and navigation; The intelligent AI module provides high computing power support, can receive and process and analyze the data of visual sensors in real time, perform target recognition and tracking based on the deployed intelligent algorithms, and can autonomously plan paths and avoid obstacles based on the data of visual sensors, and has the ability to make autonomous decisions. The internal cable module is responsible for the internal transmission of communication interaction signals between various functional modules within the system.

2. The modular airborne integrated electronic system capable of hexahedral structural expansion according to claim 1, characterized in that: The power distribution execution module includes a relay control unit and a load control unit, wherein: The relay control unit receives the control command from the power distribution management module, and controls the ignition of the pyrotechnic circuit after the relay is controlled; The load control unit receives control instructions from the power distribution management module, controls the power output, and supplies power to the external devices of the system.

3. The modular airborne integrated electronic system with hexahedral structural expansion according to claim 1 is characterized in that: The common interfaces provided by the interface management module include: RS422, DI, DO, CAN_FD, CAN, 100M / 1000M Ethernet port, 1553B, PCIE and interrupt interface.

4. The modular airborne integrated electronic system with hexahedral structural expansion according to claim 1 is characterized in that: The information processing module uses a high-performance heterogeneous multi-core processor PSoC. PSoC uses the FMQL100TAI900 architecture and integrates a multi-core processing system PS and a programmable logic unit PL. The multi-core processing system PS is responsible for task scheduling, operating system adaptation, navigation and guidance control, sensor information processing, interrupt response, anti-interference, and digital signal processing; The programmable logic unit PL is responsible for timing logic control, signal preprocessing, and interface expansion.

5. The modular airborne integrated electronic system capable of hexahedral structural expansion according to claim 4, characterized in that: When the integrated electronic system is not equipped with an AI intelligent module, an AI acceleration engine unit is integrated in the information processing module to deploy intelligent algorithms. The AI ​​acceleration engine unit can perform navigation and guidance based on data from external sensors received by the information processing module.

6. The modular airborne integrated electronic system with hexahedral structural expansion according to claim 1 is characterized in that: The integrated RF module processes the collected data including: Power control, frequency conversion processing, filtering processing, and clock processing.

7. The modular airborne integrated electronic system with hexahedral structural expansion according to claim 1 is characterized in that: The modules have the same external structural dimensions and all adopt a universal standardized hexahedral structural frame. The modules can form a hexahedral structure, and each face of the hexahedron can serve as a base for the extension and installation of each module.

8. The modular airborne integrated electronic system capable of hexahedral structural expansion according to claim 7 is characterized in that: The electrical connections of each module adopt a unified standard board-type design: Each module uses a universal inter-board connector and can be stacked through the universal inter-board connector; The printed circuit boards of each module are laid out with the smallest size. At the same time, sufficient bus types are reserved on the universal board connectors, and signal points are pre-specified, so that they can be quickly matched and connected when adding functional modules. All common inter-board connectors are interconnected and the point signal definitions are consistent.

9. The modular airborne integrated electronic system with hexahedral structural expansion according to claim 1 is characterized in that: The internal cable module adopts flexible printed circuit board.

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