CN205193562U - Unmanned aerial vehicle flight control based on ethernet exchange bus - Google Patents
Unmanned aerial vehicle flight control based on ethernet exchange bus Download PDFInfo
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Abstract
The utility model provides an unmanned aerial vehicle flight control based on ethernet exchange bus, including flying to control computer (ARM), light control module (LED+) is instructed in flight, ultrasonic sensor, the light stream sensor, power management module (PMU), the battery, inertia measuring unit (IMU), satellite navigation unit (GPSBD+), including a motor, an end cap, a controller, and a cover plate, the steering wheel, it still imbeds and has ethernet switch chip (LANswitch) to fly to control computer (ARM), ethernet switch chip (LANswitch) with fly to control computer (ARM) and be connected through LAN (LAN), ethernet switch chip (LANswitch) with fly to control peripheral module and pass through LAN (LAN) and be connected, the utility model has the advantages of the communication link of unmanned aerial vehicle with ground has been simplified, support high definition digital image to pass ground in real time back or insert internet or passback command center, support that the vision is navigated, the obstacle is avoidd and image target identification tracking, support the communication requirement of unmanned aerial vehicle formation flight, saved traditional IOSD equipment, support the level and smooth extension of modularization to fly to control new function.
Description
Technical field
The utility model relates to a kind of UAV Flight Control System, particularly relates to a kind of UAV Flight Control System based on Ethernet exchanging bus.
Background technology
What flight control technique developed experienced by from the first generation (increasing steady), the second generation (independent navigation), to the third generation (digital image recognition and keep away barrier) development, existing system for flight control computer structure is based upon on the first generation and second-generation technology basis substantially, technical development exists bottleneck, and characteristic feature is as follows:
(1) multiple communication link list uses simultaneously, equipment is numerous: the communication of ground and aircraft exists 3 kinds of links, 1st kind of chain and telepilot link, common link frequency 72M, 433M, 2.4G, 5.8G etc., this is an one-way wireless communication link being transmitted to aircraft from ground, carries the distant bar controlled quentity controlled variable information of multi-channel controller passage; The bidirectional communication link of the 2nd kind of link and aircraft and land station, common frequency 433M, 900M, 2.4G etc., on the one hand, the flight status parameter of aircraft will pass ground back, and on the other hand, land station will pass to aircraft to the various parameter configuration of aircraft or steering order; Namely 3rd kind of link scheme to pass link, common frequency 900M, 2.4G, 5.8G etc., and this is one and passes video image or the video image that superposed flight status parameter the unidirectional return link of ground back.
(2) vision guided navigation, image recognition and to keep away barrier be that flight control technique develops one of Main way, in existing flight control technique framework, flight control computer can not when supporting GPS+ inertial navigation pattern, do visual pattern process simultaneously, the way had at present passes image back ground, carries out visual processes by ground-based computer, then result being sent to flight control computer from ground, there are problems when the wireless link of ground and flight control computer breaks in this structure.
(3) in current consumer level market, really actual demand unmanned plane real scene shooting image directly being shared to internet is had, in technical grade unmanned plane, client needs digital high-definition video image to pass back to control and command center in real time, and traditional flight control technique framework does not support this Internet of Things application model of unmanned plane.
(4) passback of existing video image, great majority are based on analog video signal, not fogging clear, also need the equipment being called IOSD, the analog video signal of high-definition camera and flight parameter in fact just carry out superposing and return ground by this equipment, although what therefore aircraft stores is high-definition image, the image passing back to ground is the analog image having superposed flight status parameter, and people often need the high-definition digital image seeing aircraft photographs in real time.
Utility model content
The purpose of this utility model is the multiple communication link of UAV Flight Control solved on the market, and to deposit and equipment is numerous, supporting vision guided navigation, image recognition and keeping away barrier, the real-time accessing Internet of high-definition digital image or control and command center or land station, support on the demand on new technique such as high-definition digital image passback land station, the high speed that traditional shared bus cannot solve these Large Volume Datas exchanges, and the utility model provides a kind of novel UAV Flight Control System based on Ethernet exchanging bus.
The utility model is achieved through the following technical solutions: a kind of UAV Flight Control System based on Ethernet exchanging bus, comprises flight control computer (ARM), flight pilot lamp control module (LED+), ultrasonic sensor, light stream sensor, power management module (PMU), accumulator, Inertial Measurement Unit (IMU), satellite navigation unit (GPS/BD), motor, steering wheel, described flight pilot lamp control module (LED+), ultrasonic sensor, light stream sensor is connected with described flight control computer (ARM) signal by CAN, and described power management module (PMU) is connected with accumulator, described power management module (PMU), Inertial Measurement Unit (IMU), satellite navigation unit (GPS/BD) is connected with described flight control computer (ARM) signal by an other CAN, described flight control computer (ARM) respectively with motor, steering wheel signal connects, described flight control computer (ARM) is also embedded with Ethernet switching chip (LANswitch), described Ethernet switching chip (LANswitch) is connected by LAN (Local Area Network) (LAN) with flight control computer (ARM), described Ethernet switching chip (LANswitch) with fly to control peripheral module and be connected by LAN (Local Area Network) (LAN).
Further, fly control peripheral module described in and comprise 4G module, vision computer (DSP+ARM), high definition moving camera (IPCAM), wireless module (WIFI);
Described 4G module can by Ethernet exchanging formula bus by the high-definition digital image of high definition moving camera (IPCAM) by wireless module accessing Internet or pass control and command center back, also can pass through the USB port of vision computer (DSP+ARM), by the real-time accessing Internet of aircraft real scene shooting video or command centre can be passed back;
There is dsp processor described vision computer (DSP+ARM) inside, arm processor, run (SuSE) Linux OS, be connected with described flight control computer (ARM) with 100 m ethernet mouth, the Ethernet exchanging formula bus expanded by the Ethernet switching chip (LANswitch) on described flight control computer (ARM) receives the picture that high definition moving camera (IPCAM) is passed back, the analysis carrying out image is resolved, and with light stream sensor, ultrasonic sensor, Inertial Measurement Unit (IMU) data merge, carry out vision guided navigation, obstacle avoidance, images steganalysis is followed the tracks of,
Described high definition moving camera (IPCAM) directly goes out Ethernet interface and is connected with the Ethernet exchanging formula bus that flight control computer (ARM) is expanded, support the forwarding of multiple video flowing, on the one hand directly high definition digital video spread go back to ground by Ethernet switching chip (LANswitch), by Ethernet switching chip (LANswitch), HD video data being passed to vision computer (DSP+ARM) carries out image calculating on the other hand, also by Ethernet exchanging formula bus by the high-definition digital image of high definition moving camera (IPCAM) by wireless module accessing Internet or pass control and command center back, also 4G module is hung under the USB port by vision computer (DSP+ARM), by the direct accessing Internet of digital HD video data or command centre,
Described wireless module (WIFI) by Ethernet exchanging formula bus by remote command stream, fly control instruction stream, flight status parameter stream, high-definition digital figure compression directly converge as code stream, exchanges data is carried out with ground, there is a WIFI trunk module on ground, and the unscreened situation downward-extension of WIFI signal can be made more than 1 kilometer.
Further, described flight control computer (ARM) is high performance ARM chip and I/O circuit, peripheral multiple 100 m ethernet interfaces, 2 USB port and 1 debug serial port supported 2 CAN, multiple PWM mouth, expanded by too net exchange chip (LANswitch), the 5V accepting PMU module powers and Inspecting Storage Battery SOC signal;
Driving chip, the single-chip microcomputer of unmanned plane course lamp and state of flight pilot lamp is had in described flight pilot lamp control module (LED+), CAN is connected with flight control computer (ARM), module has USB port expand, the tune being used for carrying out flying to control is joined and firmware upgrade;
Flight control computer (ARM) supports multiple ultrasonic sensor or other horizontal distance measuring sensors, single-chip microcomputer is had in described ultrasonic sensor, CAN access flies to control nucleus module, can coordinate the vision algorithm of vision computer (DSP+ARM), the obstacle avoidance and the images steganalysis that carry out unmanned plane are followed the tracks of;
Described light stream sensor core heart function is when satellite navigation unit (GPS/BD) dropout or in indoor, carries out attitude of flight vehicle and location compute, carry out vision guided navigation with Inertial Measurement Unit (IMU) data fusion;
Described power management module (PMU) is while connect the accumulator of 3S-6S, inside has AC/DC to carry out voltage transformation and prevents connecing circnit NOT, be connected to flight control computer (ARM) by 3PIN interface line, to flight control computer (ARM) power supply, and provide battery tension detection signal;
Described Inertial Measurement Unit (IMU) comprises three axis accelerometer, three-axis gyroscope, barometric altimeter, single-chip microcomputer, CAN is connected with flight control computer (ARM), does data fusion carry out attitude of flight vehicle and resolve and location compute with satellite navigation unit (GPS/BD);
Described satellite navigation unit (GPS/BD) is GPS/ Big Dipper receiving chip, magnetic compass, single-chip microcomputer, CAN is connected with flight control computer (ARM), support GPS and Beidou navigation location, support magnetometer resolving attitude of flight vehicle, and carry out data fusion with Inertial Measurement Unit (IMU), finally resolve attitude of flight vehicle and position of aircraft by flying flight control computer (ARM).
A kind of UAV Flight Control method based on Ethernet exchanging bus, described flight control computer (ARM) interior burning flies to control program module, described Inertial Measurement Unit (IMU) interior burning has boat appearance solver module, described satellite navigation unit (GPS/BD) interior burning has GPS navigation program module, in described flight pilot lamp, burning has state of flight pilot lamp control program module, ultrasonic sensor burning has ultrasound wave program module, and the burning of described light stream sensor has light stream program module;
Described fly to control program module by CAN communication protocol procedure respectively with the boat appearance solver module of described Inertial Measurement Unit (IMU) interior burning, the GPS navigation program module of satellite navigation unit (GPS/BD) interior burning, the state of flight pilot lamp control program module of flight pilot lamp control module (LED+) interior burning, the ultrasound wave program module of ultrasonic sensor burning, the light stream program module of light stream sensor burning connects, fly to control in program module and also have Real Time Drive electric machine speed regulation controller (ESC) and the electric machine speed regulation driver module regulating direct current brushless motor speed.
Further, fly control program module described in and comprise application layer program module, real-time task scheduler
With external interrupt processor module, hardware initialization program module, hardware drive program module, CAN communication protocol procedure module, LAN (TCP/IP) communication protocol program module, described application layer program module and real-time task scheduler and external interrupt processor model calling, described real-time task scheduler and external interrupt processor module and hardware initialization program model calling, described hardware initialization program module and hardware drive program model calling.
Further, described application layer program module comprise Applied layer interface program, power management and electric quantity monitoring program, the pilot lamp control program that flies, security control program, visual spatial attention program, flight tracking control program, augmentation control program, remote control decoding program, communication processing program.
Further, described hardware drive program module comprises electric machine speed regulation driver module, remote-control receiver driver module, power management routines module, GPS module driver module, IMU driver module, LED+ driver module, ultrasound wave driver module, light stream driver module, WIFI communication interface driver module, vision guided navigation interface drive program module, 4G communication interface driver module, IP camera control driver module;
Described electric machine speed regulation driver module is connected with electric machine speed regulation controller (ESC) by PWM interface;
Described remote-control receiver driver is connected with S-BUS remote-control receiver;
Described power management routines module is connected with power management module (PMU) by universal I/O port (GPIO);
Described GPS module driver module passes through the boat appearance solver model calling of CAN communication protocol procedure module and Inertial Measurement Unit (IMU) interior burning;
Described IMU driver module is connected with the GPS navigation program module of satellite navigation unit (GPS/BD) interior burning by CAN communication protocol procedure module;
Described LED+ driver module is by the state of flight pilot lamp control program model calling of CAN communication protocol procedure module with control module (LED+) the interior burning of flight pilot lamp;
Described ultrasound wave driver is connected with the ultrasound wave program module of ultrasonic sensor burning by CAN communication protocol procedure module;
Described light stream driver module is connected with the light stream program module of light stream sensor burning by CAN communication protocol procedure module;
Described WIFI communication interface driver module is connected with wireless module (WIFI) by LAN (TCP/IP) communication protocol program module;
Described vision guided navigation interface drive program module is connected with vision computer (DSP+ARM) by LAN (TCP/IP) communication protocol program module;
Described 4G communication interface driver module is by LAN (TCP/IP) communication protocol program module and 4G model calling;
Described IP camera control driver module is connected with high definition moving camera (IPCAM) by LAN (TCP/IP) communication protocol program module.
The beneficial effects of the utility model are:
(1) simplify the communication link on unmanned plane and ground, simplify technical pattern, save consumer investment;
(2) support that high-definition digital image is passed ground or accessing Internet in real time back or returns command centre, meet high-definition digital transmission requirement;
(3) support that vision guided navigation, obstacle avoidance and images steganalysis are followed the tracks of, meet development of new techniques requirement;
(4) support the communication requirement of UAV Formation Flight, meet development of new techniques requirement;
(5) eliminate traditional IOSD equipment, simplify function, reduce investment outlay;
(6) support moduleization smoothly expands the New function flying to control, protection customer investment.
Accompanying drawing explanation
Fig. 1 is the UAV Flight Control hardware configuration schematic diagram of the utility model based on Ethernet exchanging bus;
Fig. 2 is the UAV Flight Control System structural representation of the utility model based on Ethernet exchanging bus.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described further:
As Fig. 1, shown in Fig. 2, a kind of UAV Flight Control System based on Ethernet exchanging bus, comprises flight control computer (ARM), flight pilot lamp control module (LED+), ultrasonic sensor, light stream sensor, power management module (PMU), accumulator, Inertial Measurement Unit (IMU), satellite navigation unit (GPS/BD), motor, steering wheel, described flight pilot lamp control module (LED+), ultrasonic sensor, light stream sensor is connected with described flight control computer (ARM) signal by CAN, and described power management module (PMU) is connected with storage battery, described power management module (PMU), Inertial Measurement Unit (IMU), satellite navigation unit (GPS/BD) is connected with described flight control computer (ARM) signal by an other CAN, described flight control computer (ARM) respectively with motor, steering wheel signal connects, described flight control computer (ARM) is also embedded with Ethernet switching chip (LANswitch), described Ethernet switching chip (LANswitch) is connected by LAN (Local Area Network) (LAN) with flight control computer (ARM), described Ethernet switching chip (LANswitch) with fly to control peripheral module and be connected by LAN (Local Area Network) (LAN).
Preferably, fly control peripheral module described in and comprise 4G module, vision computer (DSP+ARM), high definition moving camera (IPCAM), wireless module (WIFI);
Described 4G module can by Ethernet exchanging formula bus by the high-definition digital image of high definition moving camera (IPCAM) by wireless module accessing Internet or pass control and command center back, also can pass through the USB port of vision computer (DSP+ARM), by the real-time accessing Internet of aircraft real scene shooting video or command centre can be passed back;
There is dsp processor described vision computer (DSP+ARM) inside, arm processor, run (SuSE) Linux OS, be connected with described flight control computer (ARM) with 100 m ethernet mouth, the Ethernet exchanging formula bus expanded by the Ethernet switching chip (LANswitch) on described flight control computer (ARM) receives the picture that high definition moving camera (IPCAM) is passed back, the analysis carrying out image is resolved, and with light stream sensor, ultrasonic sensor, Inertial Measurement Unit (IMU) data merge, carry out vision guided navigation, obstacle avoidance, images steganalysis is followed the tracks of,
Described high definition moving camera (IPCAM) directly goes out Ethernet interface and is connected with the Ethernet exchanging formula bus that flight control computer (ARM) is expanded, support the forwarding of multiple video flowing, on the one hand directly high definition digital video spread go back to ground by Ethernet switching chip (LANswitch), by Ethernet switching chip (LANswitch), HD video data being passed to vision computer (DSP+ARM) carries out image calculating on the other hand, also by Ethernet exchanging formula bus by the high-definition digital image of high definition moving camera (IPCAM) by wireless module accessing Internet or pass control and command center back, also 4G module is hung under the USB port by vision computer (DSP+ARM), by the direct accessing Internet of digital HD video data or command centre,
Described wireless module (WIFI) by Ethernet exchanging formula bus by remote command stream, fly control instruction stream, flight status parameter stream, high-definition digital figure compression directly converge as code stream, exchanges data is carried out with ground, there is a WIFI trunk module (being configured to AP) on ground, and the unscreened situation downward-extension of WIFI signal can be made more than 1 kilometer.
Preferably, described flight control computer (ARM) is high performance ARM chip and I/O circuit, peripheral multiple 100 m ethernet interfaces, 2 USB port and 1 debug serial port supported 2 CAN, multiple PWM mouth, expanded by too net exchange chip (LANswitch), the 5V accepting PMU module powers and Inspecting Storage Battery SOC signal;
Driving chip, the single-chip microcomputer of unmanned plane course lamp and state of flight pilot lamp is had in described flight pilot lamp control module (LED+), CAN is connected with flight control computer (ARM), module has USB port expand, the tune being used for carrying out flying to control is joined and firmware upgrade;
Flight control computer (ARM) supports multiple ultrasonic sensor or other horizontal distance measuring sensors, single-chip microcomputer is had in described ultrasonic sensor, CAN access flies to control nucleus module, can coordinate the vision algorithm of vision computer (DSP+ARM), the obstacle avoidance and the images steganalysis that carry out unmanned plane are followed the tracks of;
Described light stream sensor core heart function is when satellite navigation unit (GPS/BD) dropout or in indoor, carries out attitude of flight vehicle and location compute, carry out vision guided navigation with Inertial Measurement Unit (IMU) data fusion;
Described power management module (PMU) is while connect the accumulator of 3S-6S, inside has AC/DC to carry out voltage transformation and prevents connecing circnit NOT, be connected to flight control computer (ARM) by 3PIN interface line, to flight control computer (ARM) power supply, and provide battery tension detection signal;
Described Inertial Measurement Unit (IMU) comprises three axis accelerometer, three-axis gyroscope, barometric altimeter, single-chip microcomputer, CAN is connected with flight control computer (ARM), does data fusion carry out attitude of flight vehicle and resolve and location compute with satellite navigation unit (GPS/BD);
Described satellite navigation unit (GPS/BD) is GPS/ Big Dipper receiving chip, magnetic compass, single-chip microcomputer, CAN is connected with flight control computer (ARM), support GPS and Beidou navigation location, support magnetometer resolving attitude of flight vehicle, and carry out data fusion with Inertial Measurement Unit (IMU), finally resolve attitude of flight vehicle and position of aircraft by flying flight control computer (ARM).
A kind of UAV Flight Control method based on Ethernet exchanging bus, described flight control computer (ARM) interior burning flies to control program module, described Inertial Measurement Unit (IMU) interior burning has boat appearance solver module, described satellite navigation unit (GPS/BD) interior burning has GPS navigation program module, in described flight pilot lamp, burning has state of flight pilot lamp control program module, ultrasonic sensor burning has ultrasound wave program module, and the burning of described light stream sensor has light stream program module;
Described fly to control program module by CAN communication protocol procedure respectively with the boat appearance solver module of described Inertial Measurement Unit (IMU) interior burning, the GPS navigation program module of satellite navigation unit (GPS/BD) interior burning, the state of flight pilot lamp control program module of flight pilot lamp control module (LED+) interior burning, the ultrasound wave program module of ultrasonic sensor burning, the light stream program module of light stream sensor burning connects, fly to control in program module and also have Real Time Drive electric machine speed regulation controller (ESC) and the electric machine speed regulation driver module regulating direct current brushless motor speed.
Preferably, the described control program module that flies comprises application layer program module, real-time task scheduler and external interrupt processor module, hardware initialization program module, hardware drive program module, CAN communication protocol procedure module, LAN (TCP/IP) communication protocol program module, described application layer program module and real-time task scheduler and external interrupt processor model calling, described real-time task scheduler and external interrupt processor module and hardware initialization program model calling, described hardware initialization program module and hardware drive program model calling.
Preferably, described application layer program module comprise Applied layer interface program, power management and electric quantity monitoring program, the pilot lamp control program that flies, security control program, visual spatial attention program, flight tracking control program, augmentation control program, remote control decoding program, communication processing program.
Preferably, described hardware drive program module comprises electric machine speed regulation driver module, remote-control receiver driver module, power management routines module, GPS module driver module, IMU driver module, LED+ driver module, ultrasound wave driver module, light stream driver module, WIFI communication interface driver module, vision guided navigation interface drive program module, 4G communication interface driver module, IP camera control driver module;
Described electric machine speed regulation driver module is connected with electric machine speed regulation controller (ESC) by PWM interface;
Described remote-control receiver driver is connected with S-BUS remote-control receiver;
Described power management routines module is connected with power management module (PMU) by universal I/O port (GPIO);
Described GPS module driver module passes through the boat appearance solver model calling of CAN communication protocol procedure module and Inertial Measurement Unit (IMU) interior burning;
Described IMU driver module is connected with the GPS navigation program module of satellite navigation unit (GPS/BD) interior burning by CAN communication protocol procedure module;
Described LED+ driver module is by the state of flight pilot lamp control program model calling of CAN communication protocol procedure module with control module (LED+) the interior burning of flight pilot lamp;
Described ultrasound wave driver is connected with the ultrasound wave program module of ultrasonic sensor burning by CAN communication protocol procedure module;
Described light stream driver module is connected with the light stream program module of light stream sensor burning by CAN communication protocol procedure module;
Described WIFI communication interface driver module is connected with wireless module (WIFI) by LAN (TCP/IP) communication protocol program module;
Described vision guided navigation interface drive program module is connected with vision computer (DSP+ARM) by LAN (TCP/IP) communication protocol program module;
Described 4G communication interface driver module is by LAN (TCP/IP) communication protocol program module and 4G model calling;
Described IP camera control driver module is connected with high definition moving camera (IPCAM) by LAN (TCP/IP) communication protocol program module.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (3)
1. the UAV Flight Control System based on Ethernet exchanging bus, comprise flight control computer, flight pilot lamp control module, ultrasonic sensor, light stream sensor, power management module, accumulator, Inertial Measurement Unit, satellite navigation unit, motor, steering wheel, described flight pilot lamp control module, ultrasonic sensor, light stream sensor is connected with described flight control computer signal by CAN, described power management module is connected with storage battery, described power management module, Inertial Measurement Unit, satellite navigation unit is connected with described flight control computer signal by an other CAN, described flight control computer respectively with motor, steering wheel signal connects, it is characterized in that: described flight control computer is also embedded with Ethernet switching chip, described Ethernet switching chip is connected by LAN (Local Area Network) with flight control computer, described Ethernet switching chip with fly to control peripheral module and be connected by LAN (Local Area Network).
2. the UAV Flight Control System based on Ethernet exchanging bus according to claim 1, is characterized in that: described in fly control peripheral module comprise 4G module, vision computer, high definition moving camera, wireless module;
Described 4G module can by Ethernet exchanging formula bus by the high-definition digital image of high definition moving camera by wireless module accessing Internet or pass control and command center back, also by the USB port of vision computer, by the real-time accessing Internet of aircraft real scene shooting video or command centre can be passed back;
There are dsp processor, arm processor in described vision computer inside, run (SuSE) Linux OS, be connected with described flight control computer with 100 m ethernet mouth, the Ethernet exchanging formula bus expanded by the Ethernet switching chip on described flight control computer receives the picture that high definition moving camera is passed back, the analysis carrying out image is resolved, and merge with light stream sensor, ultrasonic sensor, Inertial Measurement Unit data, carry out vision guided navigation, obstacle avoidance, images steganalysis tracking;
Described high definition moving camera directly goes out Ethernet interface and is connected with the Ethernet exchanging formula bus that flight control computer is expanded, support the forwarding of multiple video flowing, on the one hand directly high definition digital video spread go back to ground by Ethernet switching chip, by Ethernet switching chip, HD video data being passed to vision computer carries out image calculating on the other hand, also by Ethernet exchanging formula bus by the high-definition digital image of high definition moving camera by wireless module accessing Internet or pass control and command center back, also by hanging 4G module under the USB port of vision computer, by the direct accessing Internet of digital HD video data or command centre,
Described wireless module by Ethernet exchanging formula bus by remote command stream, fly control instruction stream, flight status parameter stream, high-definition digital figure compression directly converge as code stream, exchanges data is carried out with ground, there is a WIFI trunk module on ground, and the unscreened situation downward-extension of WIFI signal can be made more than 1 kilometer.
3. the UAV Flight Control System based on Ethernet exchanging bus according to claim 1, it is characterized in that: described flight control computer is high performance ARM chip and I/O circuit, peripheral support 2 CAN, multiple PWM mouth, the multiple 100 m ethernet interfaces by too net exchange chip expansion, 2 USB port and 1 debug serial port, the 5V accepting PMU module powers and Inspecting Storage Battery SOC signal;
Have driving chip, the single-chip microcomputer of unmanned plane course lamp and state of flight pilot lamp in described flight pilot lamp control module, CAN is connected with flight control computer, module has USB port expand, and the tune being used for carrying out flying to control is joined and firmware upgrade;
Flight control computer supports multiple ultrasonic sensor or horizontal distance measuring sensor, single-chip microcomputer is had in described ultrasonic sensor, CAN access flies to control nucleus module, can coordinate the vision algorithm of vision computer, and the obstacle avoidance and the images steganalysis that carry out unmanned plane are followed the tracks of;
Described light stream sensor core heart function is when satellite navigation unit dropout or in indoor, carries out attitude of flight vehicle and location compute, carry out vision guided navigation with Inertial Measurement Unit data fusion;
Described power management module is while connect the accumulator of 3S-6S, and inside has AC/DC to carry out voltage transformation and prevents connecing circnit NOT, is connected to flight control computer, powers to flight control computer, and provide battery tension detection signal by 3PIN interface line;
Described Inertial Measurement Unit comprises three axis accelerometer, three-axis gyroscope, barometric altimeter, single-chip microcomputer, and CAN is connected with flight control computer, does data fusion carry out attitude of flight vehicle and resolve and location compute with satellite navigation unit;
Described satellite navigation unit is GPS/ Big Dipper receiving chip, magnetic compass, single-chip microcomputer, CAN is connected with flight control computer, support GPS and Beidou navigation location, support magnetometer resolving attitude of flight vehicle, and carry out data fusion with Inertial Measurement Unit, finally resolve attitude of flight vehicle and position of aircraft by flying flight control computer.
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