Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

282 results about "Air ground" patented technology

Air-ground integrated network architecture and data transmission method based on SDN and NFV technology

The invention discloses an air-ground integrated network architecture based on a software defined network and network function virtualization. According to the system architecture, the entire network consists of a ground network part and a space network part, and is divided in a unified manner into a management layer, a control layer and a forwarding layer. The management layer is responsible for registering and querying the network status and network service functions of the ground part and the space part in the air-ground integrated network and making routing, security, billing, service call and resource management strategies. The control layer consists of a ground part and a space part, and is responsible for controlling data forwarding according to the strategies of the management layer and collecting the information of network links and network service functions. The forwarding layer consists of a ground part and a space part, and is responsible for forwarding data and providing network service functions. The architecture uses a software defined network and an idea of network function virtualization, and efficient information transmission control and on-demand satellite service providing are realized in an air-ground integrated network.
Owner:BEIJING JIAOTONG UNIV

Multi-source image fusion imaging system of three-dimensional police geographic information platform

The invention relates to a multi-source image fusion imaging system of a three-dimensional police geographic information platform. The system solves the technical problems that an objective world simulated through the prior art is low in trueness and the like. The system comprises a tilting remote sensing photogrammeteric device, a near-surface mobile photogrammeteric device, a live-action three-dimensional modeling subsystem, a building information model subsystem, a two-dimensional GIS subsystem and a police information subsystem. The tilting remote sensing photogrammeteric device and the near-surface mobile photogrammeteric device are connected with the live-action three-dimensional modeling subsystem, the live-action three-dimensional modeling subsystem and the building information model subsystem are connected with a virtual reality city information model building system, and the city information model building system, the two-dimensional GIS subsystem and the police information subsystem are connected with a multi-source fusion subsystem. The multi-source image fusion imaging system has the advantages that technical breakthrough in uniform global positioning, air-ground integration, interior and outdoor integration, interfaces, standards and other aspects is achieved, so that multilevel police application, such as guard security, anti-terrorist, commanding and dispatching and base and grassroots, is met.
Owner:HANGZHOU MUNICIPAL PUBLIC SECURITY BUREAU SHANGCHENG DISTRICT BRANCH +1

Air-ground amphibious spherical metamorphic robot based on metamorphic principle

The invention discloses an air-ground amphibious spherical metamorphic robot based on a metamorphic principle. The robot mainly comprises a flying module and a traveling module. The flying module comprises a symmetrical four-connecting bar mechanism driven by a worm and worm wheel motor, and the four-connecting bar mechanism realizes to automatically fold a stand to adapt to different requirements for the robot structure under a spherical un-deformed state, a terrestrial state and an aerial state. The traveling module uses a 8-freedom four-foot robot, the shanks are driven to move through the four-connecting bar mechanism, and arc plates fitting with the shanks partially fit with the lower semi-spherical shell under the un-deformed state so as to form the spherical shape. When preparing to fly, the upper semi-spherical shell gives place to support arms for folding the stand through moving upwardly. After the support arms stretch to the right positions, the upper semi-spherical shell moves downward to restore. A crank block mechanism is used for driving the upper semi-spherical shell. The air-ground amphibious spherical metamorphic robot based on the metamorphic principle is featured with small volume, reasonable structure, simple and beautiful shape, outstanding movement performance, easiness and high efficiency in control, strong anti-interference ability and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Air-ground coordinated multi-constellation satellite navigation integrity multi-stage monitoring method

ActiveCN104483678AHigh navigation usabilityGood navigation reliabilitySatellite radio beaconingJet aeroplanePrior information
The invention discloses an air-ground coordinated multi-constellation satellite navigation integrity multi-stage monitoring method. The method is suitable for monitoring multi-constellation satellite navigation integrity. The method comprises the following steps: receiving navigation observation quantity through a ground monitoring station; estimating and monitoring an ephemeris error and a star clock error of a satellite space signal, and carrying out availability prediction of satellite navigation autonomous integrity monitoring on an air route in a region, and broadcasting the result to an airplane. Airborne navigation equipment detects whether a fault exits in a received navigation satellite or not by using prior information of terrestrial broadcasting, so as to determine the navigation integrity of the flight. Compared with a traditional RAIM detection method, the detection probability of satellite faults can be improved; the requirements of relatively low false alarm probability and false dismissal probability can be met, thus the navigation continuity and availability are improved; through multi-constellation joint integrity monitoring, relatively high navigation availability can be obtained; relatively good navigation reliability, and performance analysis of a positioning error caused by the minimum detection deviation can be realized.
Owner:天宇航空数据科技(合肥)有限责任公司

Universal aircraft surveillance platform constructed by Beidou and ADS-B dual-link navigation equipment

ActiveCN107818696ARealize the needs of flight situation surveillanceAvoid missingAircraft traffic controlAir traffic controlGround station
The invention discloses a universal aircraft surveillance platform constructed by Beidou and ADS-B dual-link navigation equipment, which comprises Beidou and ADS-B dual-link laser height-finding airborne navigation equipment, an air traffic control navigation ADS-B and Beidou data processing center and a universal aircraft airspace supervision cloud platform. The invention discloses brand-new low-altitude airspace aircraft surveillance management equipment and a matched low-altitude aircraft airspace comprehensive management system which can completely solve a problem of insufficient technicalequipment in the field of low-altitude airspace surveillance at present in China, and can combine the existing ADS-B ground stations and ADS-B ground stations to be built to construct an air-ground data link so as to meet the requirement of low-altitude aircraft flying state surveillance especially under the condition that the ADS-B system has not completely covered the territorial air space of China. Disclosed by the invention is multi-data-link multifunctional universal aircraft airborne equipment which integrates technologies such as ADS-B, Beidou positioning communication and laser heightfinding.
Owner:陕西北斗金箭航空科技有限公司

Air-ground amphibious task set

InactiveCN102530256AExtend the efficiency of performing tasksSave energyGround installationsVehiclesSignal onGlobal Positioning System
The invention discloses an air-ground amphibious task set. The task set consists of a ground unmanned mobile platform, and a plurality of flying robots; and the ground unmanned mobile platform is combined with and separated from the flying robots through an automatic release mechanism on the ground unmanned mobile platform. During task execution, the flying robots are fixedly connected with the ground unmanned mobile platform through the automatic release mechanism, and a control operator remotely controls the mobile platform through wireless communication, and guides the whole task set to a task area according to a global positioning system (GSP) position signal on the mobile platform and the returned image signal. After the task set arrives in a task area, the control operator sends a flying command to the mobile platform; and after the automatic release mechanism is opened, the mobile platform sends a take-off command to the flying robots, and the flying robots take off immediately and execute the task. The flying robots return a pose signal and detection information to the unmanned mobile platform in real time. The mobile platform adjusts the flying robots according to the pose signal of the flying robots and returns the detection information of the flying robots to a control center. Through coordination of members of the set, the tasks of battlefield detection, resource exploration, disaster relief and the like are executed.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Air-ground data link control and management method

The invention relates to an air-ground data link control management method which comprises the course of the link initialization of an airplane and a ground system, the establishment of the initialization link of the airplane and a ground station, an automatic tuning method of a ground base system and the multi-state link switching course, wherein the course of the link initialization of the airplane and the ground system comprises the following steps: the airplane searches in a public signal frequency band and the frequency band with service priorities, and the ground station also sends a ground broadcast frame in the present service frequency band and the public signal frequency band; the multi-state link switching course comprises the following steps: according to differences of switching control weights of the airplane and the ground station, if the ground system is required to be switched, and an airplane terminal has switching and initialization functions, the switching course of ground base requirements and airplane initialization is carried out, and if the airplane terminal is required to be switched and the ground station has switching and initialization functions, the switching course of air plane requirements and ground initialization is carried out. The flexible and automatic control and the link management with no gap switching of the airplane and the ground station can be guaranteed.
Owner:BEIHANG UNIV

Chinese and English language speech recognition method and system for civil aviation air-ground call field

The invention discloses a Chinese and English language speech recognition method and system for the civil aviation air-ground call field. The Chinese and English language speech recognition method forthe civil aviation air-ground call field includes the steps: acquiring a data set of civil aviation air-ground call speeches, including audio files, annotated texts, a pronunciation dictionary and alanguage model, as a training data set; performing feature extraction on the training data set, and converting the data to obtain a feature vector; performing language recognition training according to the feature vector to obtain a Chinese and English language recognition model; performing speech recognition training according to the feature vector to obtain a Chinese and English speech recognition model; and taking the language recognition model as a front end and taking the speech recognition model as a back end to obtain a Chinese and English language speech recognition method for civil aviation air traffic control. The Chinese and English language speech recognition method or system for the civil aviation air-ground call field can assist a controller to perform air-ground dialogue analysis to guarantee accuracy of speech recognition and improve accuracy of civil aviation air-ground calls.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Air-ground channel modeling method and apparatus

The invention discloses an air-ground channel modeling method and apparatus. The method comprises the following steps: determining surface terrain feature information affecting air-ground channel transmission in the current environment; obtaining known information of a transmitting end and a receiving end, weather information of the current environment and confidence coefficient information of a channel simulation scene, wherein the known information of the transmitting end and the receiving end comprises: position information of the transmitting end and the receiving end, related indexes of a transmitting and receiving antenna and related features of radio waves; extracting influence parameters affecting air-ground modeling according to the surface terrain feature information, the known information of the transmitting end and the receiving end, the weather information of the current environment and the confidence coefficient information of the channel simulation scene, wherein the influence parameters comprise transmission loss corresponding to a radio wave transmission mode and transmission attenuation corresponding to transmission path shielding; and constructing an air-ground channel model based on the influence parameters. The influence of the surface terrain in the vicinity of the receiving end to the radio wave transmission is considered in the model, thereby improving the validity of the model.
Owner:BEIJING RUNKE GENERAL TECH

Air-ground integrated cooperative monitoring system and method of soil heavy metal pollution degree

The invention discloses an air-ground integrated cooperative monitoring system and method of soil heavy metal pollution degree. The air-ground integrated cooperative monitoring system is composed of an air hyperspectral surface source monitoring terminal, a ground LIBS point source monitoring terminal, and a ground monitoring terminal. According to the method, the air hyperspectral surface source monitoring terminal is used for rough measurement of large-area soil heavy metal pollution degree, and providing the positions of specific areas with soil heavy metal pollution; at the same time, the ground LIBS point source monitoring terminal is used for cooperative accurate measurement of soil heavy metal in the specific areas, including measurement on the kinds and contents of heavy metal pollutants; and at last, the ground monitoring terminal is used for displaying a three dimensional spatial distribution map of soil heavy metal pollution degree. According to the air-ground integrated cooperative monitoring system and the method, the air hyperspectral surface source monitoring terminal and the ground LIBS point source monitoring terminal are adopted, so that rapid accurate measurement on large-area soil heavy metal kinds and contents is realized, evaluation time and error of large-area soil heavy metal pollution degree are shortened and reduced respectively, and reliable basis is provided for treatment and prevention of soil heavy metal pollution.
Owner:WUHAN UNIV

Air traffic control real-time regulation effectiveness evaluation system

InactiveCN104933530AImprove the level of quantitative evaluationRecord highResourcesRadarSimulation
The invention relates to an air traffic control real-time regulation effectiveness evaluation system, in particular to a real-time regulation effectiveness evaluation system for air traffic controllers. The system comprises a real-time operation data acquisition module, a real-time operation data processing module, a central database, a history operation data acquisition module and a real-time regulation effectiveness evaluation module, wherein the real-time operation data acquisition module is used for acquiring position information data, flight information data, flight plant data of an air traffic control automatic system, air-ground communication data and radar comprehensive flight path data; the real-time operation data processing module is used for filtering and processing acquired real-time operation data; after the processed real-time operation data is transmitted to an index assessment module, an obtained index is saved in the central database; the central database is used for storing and managing data; the history operation data acquisition module is used for acquiring history operation data; and the real-time regulation effectiveness evaluation module comprises a quantification evaluation module and a real-time regulation effectiveness comprehensive evaluation module. The air traffic control real-time regulation effectiveness evaluation system is applied to the field of civil aviation air traffic control.
Owner:中国民用航空厦门空中交通管理站

Air-ground heterogeneous robot system path planning method based on neighborhood constraint

The present invention relates to an air-ground heterogeneous robot system path planning method based on a neighborhood constraint. A smallest heterogeneous robot system is formed by a ground mobile robot and an air flying robot. The steps of the method include the ground mobile robot and the air flying robot start from a start point at the same time, successively access N sub-task points for executing sub-tasks and finally reach a destination together. In the present invention, it is considered that the position of each sub-task point is allowed to be effective in a certain neighborhood, and a neighborhood constraint is introduced. In addition, the maximum speed constraints are considered respectively for the air flying robot and the ground mobile robot. In the present invention, the air-ground heterogeneous robot system is enabled to fully utilize respective characteristics to realize advantage complementation, tasks are completed within a specific neighborhood range, the efficiency of path planning is improved, resources are saved, and the air-ground heterogeneous robot system path planning method is applicable to the fields such as marine cooperative rapid rescue, target identification and communication networking, cooperative environment sensing and positioning, so that the method has a wide application prospect.
Owner:WUHAN UNIV OF SCI & TECH

Passive stability-enhanced deformable undercarriage air-ground flying robot

The invention provides a passive stability-enhanced deformable undercarriage air-ground flying robot which comprises a body, deformable undercarriage devices, wing fuselage protection frames, rotor devices, an electromagnetic shielding cabin and an automatic pilot, wherein a general mechanical extension interface with one rotational degree of freedom is installed at the upper part of the body, the interface is provided with a CAN bus connection port, and end work modules can be connected according to different tasks; the deformable undercarriage devices are installed on the body, and diversion trenches are arranged on the deformable undercarriage devices so as to provide passive stability-enhanced airflow for the robot provided by the invention; the wing fuselage protection frames are installed at the tails of the deformable undercarriage devices; the rotor devices are installed on the body; the electromagnetic shielding cabin is installed at the lower part of the body; the automatic pilot is installed in the electromagnetic shielding cabin; and the automatic pilot respectively drives the deformable undercarriage devices to realize switching between a flying mode and a ground mode of the robot provided by the invention. According to the invention, propeller protectors, undercarriages and passive stability enhancers are integrated in the deformable undercarriage devices, so that the self-weight is reduced, and the viability of power components and effective loads in complex environments is improved.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products