CN104504936A - Low-cost general aviation aircraft navigation monitoring method and device - Google Patents
Low-cost general aviation aircraft navigation monitoring method and device Download PDFInfo
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- CN104504936A CN104504936A CN201410749216.8A CN201410749216A CN104504936A CN 104504936 A CN104504936 A CN 104504936A CN 201410749216 A CN201410749216 A CN 201410749216A CN 104504936 A CN104504936 A CN 104504936A
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- interface circuit
- public network
- network communication
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- communication module
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
- G08G5/0073—Surveillance aids
- G08G5/0082—Surveillance aids for monitoring traffic from a ground station
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/33—Multimode operation in different systems which transmit time stamped messages, e.g. GPS/GLONASS
Abstract
The invention discloses a low-cost general aviation aircraft navigation monitoring method and device. A device based on mobile public network communication, GPS (Global Positioning System)/Beidou double-system navigation positioning and Beidou satellite communication comprises an interface circuit, an MCU (Microprogrammed Control Unit) microcontroller, a mobile public network communication module and a GPS/Beidou module, wherein the interface circuit comprises a level conversion interface circuit, a communication interface circuit and a display interface circuit; the mobile public network communication module and the Beidou module are connected to the MCU microcontroller through the interface circuits. The method comprises the following steps: acquiring the positioning information of a GPS/Beidou positioning communication module through the MCU microcontroller; parsing the acquired positioning information; coding, compressing and packing the data information of time, longitude, latitude, speed, course and the like in a positioning information packet, and transmitting the information of positions, time, posture and the like to a monitoring center through the mobile public network communication module or the GPS/Beidou positioning communication module. Therefore, navigation monitoring of a general aviation aircraft is realized.
Description
Technical field: the present invention relates to a kind of method and apparatus being applicable to the navigation of low altitude airspace general aviation aircraft and monitoring, coding and the compression method of the information such as a kind of longitude to satellite navigation locator data, latitude, speed, course, that the flight of a kind of energy real time monitoring general aviation aircraft is dynamic, flight attitude, flight path, and there is the full spatial domain of log playback function, the device without supervision blind area, be important technical and the method for the efficient management of general aviation aircraft safe flight and low altitude airspace.
Background technology: the national low altitude airspace administrative reform working conference organized by State Council, Air Traffic Control Board of the Military Commission of the CPC Central Committee (hereinafter referred to as " national blank pipe committee ") along with-23 days on the 21st November in 2014 determines that below very high km spatial domain is carried out Classification Management and decontroled in order, promoting navigation industry development and meeting public's demand is target, vitalize low altitude airspace resource to greatest extent, promote General Aviation industry rapid and healthy.The enforcement of this series of behave, more importantly acts on for the navigation aircraft autonomous flight finally realized in broader applications field plays.
But, along with the increase day by day of China's low altitude airspace flying activity and low altitude airspace are opened gradually, become an important research topic for the supervision of low altitude airspace aircraft and the means of services.But due to historical reasons, the low altitude airspace of China is in strict supervision state for a long time, air traffic control department lacks effective communication, navigation, the service assurance system such as supervision, exist the low altitude airspace aircraft cooperation of " low little slow " and noncooperative target and " cannot see, do not join, pipe is incessantly " problem, this seriously governs opening and the related industry development of low altitude airspace, Homeland air defense and flight safety are more had a strong impact on, therefore, in the urgent need to set up a set of effectively and the full-time territory of low altitude airspace aircraft of tallying with the national condition, the supervision that full spatial domain is seamless and service system.
Low altitude airspace refers to the spatial domain below 3000 meters, and perform the general-purpose aircraft of aerial mission at low altitude airspace, its flying height is low, flying speed is slow, airborne equipment is simple, operating environment is poor, affect larger by weather, geographical conditions.China's low altitude airspace is divided into control zone, monitors spatial domain and report spatial domain, and wherein control zone and supervision spatial domain explicitly call for needs to realize flight supervision.Spatial domain monitors it is a kind ofly utilize various different surveillance equipment, the flying activity of aircraft in spatial domain is carried out to the technology comprehensively monitored, it ensures flight safety, improves the key of air traffic control operational efficiency.The spatial domain that current China low altitude airspace aircraft is conventional monitors that means comprise independent supervision, collaborative supervision and dependent surveillance three class.Independent supervision conventional means is that primary radar monitors, but the identity of primary radar None-identified target, be difficult to the requirement meeting air traffic control.Coordinate to monitor that exemplary means is secondary radar, adopt interrogation reply system, target identification and Data-Link function can be had, more information can be obtained than primary radar.But the price comparison of secondary radar is expensive, installing a secondary radar needs cost several ten million yuans, and aircraft also must be equipped with second set response machine, is not suitable for large-area low altitude airspace aircraft.And radar signal is easily subject to the impact of the factors such as barrier shielding, covers not good to low altitude airspace, occur radar shadow, security monitoring cannot be provided in time.Dependent surveillance refers to that navigation information that airborne navigational system obtains is by satellite data chain or very high frequency(VHF) Air-ground data link, is sent to ground receiver and disposal system automatically real-time.ADS-B technology needs to set up facility based on multiple ground support system on ground, invests huge, needs national multiple departments collaborative building, cannot solve the problem that China's low altitude airspace monitors in a short time.And, ADS-B signal be vulnerable to landform, barrier cover impact, low latitude can only be improved cover by increasing Surveillance center quantity, thus cause the remarkable increase of construction cost.And outlying mountain area does not often possess the condition of ADS-B Surveillance center addressing.In addition, current general purpose vehicle airborne ADS-B equipment installation rate is low, adds repacking difficulty.
Therefore, these current method Problems existing are mainly manifested in: (1) radar exists the problem of " cannot see, do not join, manage incessantly " to the low altitude airspace aircraft cooperation of " low little slow " and noncooperative target; (2) radar is expensive, deployment cycle is long; (3) ADS-B technology needs to set up facility based on multiple ground support system on ground, invest huge, and ADS-B equipment installation rate is low, adds repacking difficulty.
Start since China in 1994 starts Beidou satellite navigation system construction, up till now, the dipper system of China not only possesses RNSS navigation, positioning function, but also possesses the two-way short message function serving information of RDSS.Mobile public network communication mobile wireless public network communication has covered most of region, or even the railway of remote districts, highway, water route, critical facility, tourist attractions also cover substantially, there is the features such as traffic rate is fast, time delay is little, cost is low, the two combination be can be the solution that the navigation of low altitude airspace aircraft, communication and supervision provide integration.
Summary of the invention: the present invention is directed to prior art Problems existing, there is provided a kind of general aviation aircraft based on mobile public network communication, GPS/ Big Dipper dual system navigator fix and Beidou satellite communication to navigate and monitor method and apparatus, the problem that technology of the present invention solves is: overcome the restriction of Beidou satellite communication to data packet length, propose coding and the compression method of navigation positioning data bag, reduce the length of data transmission, improve transfer efficiency; Overcome existing radar surveillance and ADS-B and monitor the deficiency that there is the lower space of silence, provide that a kind of low cost, volume are little, portable, the data transfer communications mode that can automatically switch, the general aviation aircraft navigation that covers full spatial domain monitor method and apparatus.
For achieving the above object, the technical solution used in the present invention is: a kind of low cost general aviation aircraft navigation monitoring arrangement, comprise interface circuit, MCU microcontroller, mobile public network communication module and GPS/ Big Dipper positioning and communicating module, wherein interface circuit comprises level shifter interface circuit, communication interface circuit, display interface circuit, these interface circuits by mobile public network communication module and Big Dipper model calling to MCU microcontroller.
A kind of low cost general aviation aircraft navigation supervision method, first MCU microcontroller obtains the locating information of GPS/ Big Dipper positioning and communicating module, resolve, again the information such as position, time and attitude are sent to Surveillance center by mobile public network communication module or GPS/ Big Dipper positioning and communicating module to after data message coding, compression and the packings such as the time in locating information bag, longitude, latitude, speed, course, thus realize monitoring the navigation of general aviation aircraft.
The present invention's advantage is compared with prior art: the mobile public network communication that present invention utilizes low cost moves public network communication and GPS/ Beidou navigation technology monitors square law device to build general aviation aircraft navigation, invent a kind of compression method of navigator fix position data, to have compared with ADS-B technology with existing employing radar and there is following characteristics:
(1) comparatively radar and ADS-B technology, the present invention has mobile public network communication and moves the advantage that public network communication and Beidou communication mode have complementary advantages, and effectively makes up ADB-B and Radar Low-Altitude monitors blind area, can realize automatically switching.Circuit structure is simple, volume is little, lightweight, with airborne equipment without electric crosslinked, portable convenient.
(2) adopt a slice TI MSP430 low-power chip to complete as processor to control peripheral module, and achieve communication mode automatic switchover, friendly man-machine display, reduce controller power consumption.Be specially adapted to General Aviation etc. has strict demand field to power consumption.
(3) MSP430F149 that device adopts has double-serial port, and can realize the system integration fast, system has airborne locator data real-time storage function, realizes flight path playback and analytic function afterwards.
(4) information such as the time in navigation positioning data information, longitude, latitude, speed and course are encoded and compressed, tens bytes are only needed to transmit navigation information, data length reduces nearly octuple, greatly reduces the length of data transmission, improves transfer efficiency.
Accompanying drawing explanation
Fig. 1 is the block diagram of system of the present invention.
Fig. 2 is MSP430F149 interface circuit figure.
Fig. 3 is RS232 level shifting circuit figure.
Fig. 4 is mobile public network communication modular structure block diagram.
Fig. 5 is SIM card circuit diagram.
Fig. 6 is power circuit diagram.
Fig. 7 is mobile public network communication module network linker process flow diagram.
Fig. 8 is mobile public network communication DCP process flow diagram.
Fig. 9 is navigation positioning data information coding and compression method process flow diagram.
Embodiment:
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention carry out clear, intactly describe, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, MCU microcontroller adopts MSP430F149, and the type processor has two asynchronous communication module USART0 and USART1, can be connected with Big Dipper module with GPRS module respectively.Processor is by having carried out the control to this module to mobile public network communication module transmission AT instruction.GPS/ Big Dipper positioning and communicating module adopts customed agreement to control, and it exports NAEA 0183 edition agreement that locating information adopts, and exports with ASCII fromat.Display module adopts TFT liquid crystal color screen, and resolution is: 128*160.The transmission of instruction and data is carried out by the standard I ntel8080 buses of 8.
As shown in Figure 2, that MCU microcontroller is selected is MSP430F149, and there is peripheral hardware in abundant sheet its inside.It mainly comprises following peripheral modules: house dog (WDT), timer A (Timer A), timer B (Timer B), comparer, serial ports 0 (UART0), serial ports 1 (UART1), hardware multiplier, 12 ADC ports and basic timer.Comparer carries out analog voltage and compares, and coordinates timer to can be designed as A/D converter; Timer has catches/comparing function, can be used for event count, sequential generation, PWM etc.; 12 hardware A/D converters have higher switching rate, reach as high as 200kbps, can meet most of data acquisition application.
As shown in Figure 3, the level that MSP430F149 exports does not mate with mobile public network communication module and Big Dipper module level, adopts the switching device of level logic relation to complete the bi-directional conversion of serial ports level in design.
As shown in Fig. 4, Fig. 7, Fig. 8, the FIBOCOM G610 that mobile public network communication modular design adopts moves public network communication module.Wherein baseband signal processor is the core of G610 communication module, and its effect is equivalent to a protocol processor, is used for processing the AT instruction that sended over by serial ports of external system.Radio frequency part mainly realizes the modulation and demodulation of signal, and the signal realized between external radio-frequency signal and inner baseband processor is changed, and coupling power supply provides required power supply for processor and radio frequency part, and socket is available to the application interface of user.Power unit uses linear voltage regulator that the supply voltage that outside inputs is carried out after voltage stabilizing process for baseband processor and radio frequency part.SRAM is used for storing some user configuration informations, phone directory and out of Memory.
As shown in Figure 5, SIM card modular circuit inside has devised antistatic protection measure to SIM card part.SIM_DATA inside pull-up, does not need outside to be pulled upward to SIM_VCC again.If only use the sim card socket of 8 pins, SIM_CD pin connects electric capacity to ground.
As shown in Figure 6, whole device adopts 9-12V to power.Wherein, mobile public network communication/gsm module inside is integrated with mu balanced circuit, therefore directly adopts 9-12V to power.Big Dipper module adopts 5V to power, MCU microcontroller adopts 3.3V power voltage supply, consider that hardware system will have the features such as have voltage stabilizing function and ripple is little to power supply, also the features such as the low-power consumption of hardware system are considered in addition, therefore the 3.3V power unit of hardware system adopts the mu balanced circuit of LM1117-3.3V chip formation, the mu balanced circuit that microcontroller adopts LM7805 chip to form.
As shown in Figure 9, the information such as the position that GPS/ Beidou navigation locating module exports, time, speed and course are all ascii data form, and the byte length occupied is larger.In data encoding compression, binary-coded decimal coded system is adopted to temporal information wherein, data are in seconds encoded into longitude and latitude parameter data, and are enlarged into integer, finally the data after amplifying are converted to hexadecimal values to represent; Speed parameter is encoded to data in units of meter per second, represents by the data of a byte; Course parameter adopts sexadecimal number byte to carry out the course information encoding to represent that navigation positioning data exports.
Claims (2)
1. a low cost general aviation aircraft navigation monitoring arrangement, it is characterized in that: comprise interface circuit, MCU microcontroller, mobile public network communication module and GPS/ Big Dipper positioning and communicating module, wherein interface circuit comprises level shifter interface circuit, communication interface circuit, display interface circuit, these interface circuits by mobile public network communication module and Big Dipper model calling to MCU microcontroller.
2. a low cost general aviation aircraft navigation supervision method, first MCU microcontroller obtains the locating information of GPS/ Big Dipper positioning and communicating module, resolve, again the information such as position, time and attitude are sent to Surveillance center by mobile public network communication module or GPS/ Big Dipper positioning and communicating module to after data message coding, compression and the packings such as the time in locating information bag, longitude, latitude, speed, course, thus realize monitoring the navigation of general aviation aircraft.
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| CN201410749216.8A CN104504936B (en) | 2014-12-09 | 2014-12-09 | General aviation aircraft navigation monitoring device |
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| CN201410749216.8A CN104504936B (en) | 2014-12-09 | 2014-12-09 | General aviation aircraft navigation monitoring device |
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| CN104504936B CN104504936B (en) | 2017-01-18 |
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Cited By (9)
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| CN105243877A (en) * | 2015-10-18 | 2016-01-13 | 上海圣尧智能科技有限公司 | Unmanned plane air traffic control module and the unmanned plane |
| CN105635966A (en) * | 2015-12-30 | 2016-06-01 | 北斗导航位置服务（北京）有限公司 | Beidou-satellite-communication-based emergency rescue method and system |
| CN105682020A (en) * | 2015-12-30 | 2016-06-15 | 北斗导航位置服务（北京）有限公司 | Beidou emergency call method and system |
| CN106249752A (en) * | 2016-08-31 | 2016-12-21 | 中测新图(北京)遥感技术有限责任公司 | A kind of unmanned plane networking flight monitoring and collaborative collision avoidance method and device |
| CN106291620A (en) * | 2016-08-16 | 2017-01-04 | 广东容祺智能科技有限公司 | A kind of location tracking being applied to unmanned plane and flying quality storage system |
| CN106291638A (en) * | 2016-08-16 | 2017-01-04 | 广东容祺智能科技有限公司 | A kind of unmanned plane dual link tracing system of integrated black box |
| CN109143270A (en) * | 2018-08-27 | 2019-01-04 | 京信通信系统（中国）有限公司 | Positioning device and positioning system |
| CN109856651A (en) * | 2019-03-13 | 2019-06-07 | 广东海聊科技有限公司 | A kind of position data compression method and system based on dipper system |
| CN112214836A (en) * | 2020-10-09 | 2021-01-12 | 中国航空工业集团公司成都飞机设计研究所 | Parameterized flight dynamic playback method |
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| CN105635966B (en) * | 2015-12-30 | 2019-05-10 | 北斗导航位置服务（北京）有限公司 | A kind of emergency management and rescue method and system based on Beidou satellite communication |
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| CN106291620A (en) * | 2016-08-16 | 2017-01-04 | 广东容祺智能科技有限公司 | A kind of location tracking being applied to unmanned plane and flying quality storage system |
| CN106291638A (en) * | 2016-08-16 | 2017-01-04 | 广东容祺智能科技有限公司 | A kind of unmanned plane dual link tracing system of integrated black box |
| CN106249752A (en) * | 2016-08-31 | 2016-12-21 | 中测新图(北京)遥感技术有限责任公司 | A kind of unmanned plane networking flight monitoring and collaborative collision avoidance method and device |
| CN109143270A (en) * | 2018-08-27 | 2019-01-04 | 京信通信系统（中国）有限公司 | Positioning device and positioning system |
| CN109856651A (en) * | 2019-03-13 | 2019-06-07 | 广东海聊科技有限公司 | A kind of position data compression method and system based on dipper system |
| CN112214836A (en) * | 2020-10-09 | 2021-01-12 | 中国航空工业集团公司成都飞机设计研究所 | Parameterized flight dynamic playback method |
| CN112214836B (en) * | 2020-10-09 | 2022-04-19 | 中国航空工业集团公司成都飞机设计研究所 | Parameterized flight dynamic playback method |
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