18 results about "Air navigation" patented technology

Methods and apparatus for providing self-contained guidance, navigation, and control (GN&C) functions for a vehicle moving through an environment on or near the ground, in the air or in space without externally provided information are disclosed. More particularly, one embodiment of the present invention includes a Heading Sensor (36), an Absolute Location Sensor (38), a timer (40), a Range Doppler Processor (42), a Navigation Reference Sensor (44), an Area Range and a Velocity Sensor (46) which provide enhanced navigation information about a universal reference frame (22) and one or more targets (20).

The application provides an unmanned aerial vehicle air navigation visual language action control method with active dialogue capability, and belongs to the technical field of unmanned aerial vehicle navigation. Through LLM processing of dialogue history data and extraction of image features by a visual encoder, spatial and time sequence features are obtained in combination with observation history data, a PNaQ module is introduced to realize displacement updating, termination judgment and active questioning, and a one-time data enhancement technology is matched to expand the data set, so that the problems of space-time relationship confusion and lack of active questioning in long-range navigation are solved, and the navigation accuracy and interactivity are improved.

The invention discloses a regional enhanced positioning time service method and system based on an air platform, and relates to a navigation enhanced positioning time service technology, and the method comprises the steps: controlling a ground station and the air platform to complete the positioning time service of time-frequency reference equipment through receiving an air navigation signal, so as to obtain the positioning time service information of the ground station and the air platform; controlling bidirectional time synchronization between the ground station and any air platform to keep time synchronization between the air platforms, and acquiring clock difference information between the air platforms and the ground station; any air platform forms the positioning time service information and the clock error information of the air platform into a telegraph text frame, and sends an area enhancement signal to the ground user terminal; and the ground user terminal receives the area enhancement signal so as to obtain the distance from any air platform to the ground user terminal and the positioning time service information of the air platform, and positioning time service is completed through calculation. According to the invention, the positioning time service problem of the navigation terminal in a satellite navigation signal rejection environment can be effectively solved.

The application discloses a water-air cross-medium vehicle, comprising a driving device and a plurality of rotors, wherein the rotors comprise underwater blades and air blades; one end of the underwater blades is connected with the driving device, and the other end is connected with the air blades; the air blades can rotate relative to the underwater blades to be in an unfolded state coaxial with the underwater blades when the vehicle is in air navigation, and to be in a folded state inclined relative to the underwater blades when the vehicle is in underwater navigation; the underwater blades and the air blades are integrated to form a rotor, so that the overall layout of the rotor is more compact, and the driving can be shared to serve the air blades and the underwater blades, power transmission is more direct and efficient, energy loss caused by additional transmission devices is reduced, and therefore the volume, weight and control complexity of the propulsion system are reduced while underwater and air high-speed cruising is realized.

The invention provides a propeller of a water-air cross-domain aircraft and the water-air cross-domain aircraft, and belongs to the field of cross-domain aircrafts.The propeller comprises a rotating shaft, a first propeller hub and a second propeller hub, when the first propeller hub rotates to a first position relative to the rotating shaft, the first propeller hub synchronously rotates along with the rotating shaft, the blade tip end of a first propeller blade is in butt joint with the blade tip end of a second propeller blade, and the blade tip end of the second propeller blade is in butt joint with the rotating shaft; an annular paddle is defined by the first paddle and the second paddle; and when the first propeller hub reversely rotates to a second position relative to the rotating shaft, the first propeller hub synchronously rotates along with the rotating shaft, and the blade tip end part of the first propeller blade is separated from the blade tip end part of the second propeller blade. The fixed propeller hubs and the movable propeller hubs are arranged on the rotating shafts of the propellers, the positions of the movable propeller hubs are switched along with rotation of the rotating shafts, the blade tip ends of the two propeller blades on the fixed propeller hubs and the movable propeller hubs are in butt joint or disengaged, and when the aircraft is located between water areas and airspaces, a set of propellers are located in the airspaces or the water areas all the time to provide sufficient lift force.

The invention relates to the technical field of satellite navigation, in particular to a motor West-odd aviation navigation network airborne positioning method and system, and the method comprises the steps: receiving a low-orbit satellite signal through an airborne multi-band phased-array antenna array, carrying out the anti-interference enhancement processing of a self-adaptive beam forming technology, extracting a pseudo-range and pseudo-range rate observation value, and carrying out the calculation of the pseudo-range and pseudo-range rate observation value; and fusing inertial sensor data, and carrying out high-precision pose calculation by adopting volume Kalman filtering and an intelligent optimization algorithm. The system comprises an antenna array, a navigation signal processor, an observation value resolving module, a multi-source data fusion filter and an avionics interface which are connected. The method effectively solves the problems that a traditional navigation system is easily interfered and the precision is reduced in a complex electromagnetic environment, has the characteristics of high anti-interference performance, high positioning precision and high response speed, and is suitable for high-reliability navigation positioning of aviation aircrafts.

The invention provides a pilot piloting data calculation system, which comprises a data input module used for inputting original condition data; the single data calculation module is used for calculating all single data required by navigation; the route data comprehensive calculation module is used for performing comprehensive calculation according to the input data and the single data to generate a navigation data table card, a navigation map operation map and a navigation plan map; the display module is used for displaying a navigation data table card, a navigation map operation map and a navigation plan map; wherein the navigation map operation map provides a dynamic simulation navigation process and a deviation modification function. The navigation data calculation system provided by the invention is high in calculation efficiency, fast in chart generation, vivid in dynamic simulation image, and real-time and accurate in deviation data revision, can comprehensively improve the ground navigation preparation work efficiency and the air navigation calculation capability, and plays a supporting role in the overall improvement of the flight capability.

Autonomous aerial navigation in low-light and no-light conditions includes using night mode obstacle avoidance intelligence, training, and mechanisms for vision-based unmanned aerial vehicle (UAV) navigation to enable autonomous flight operations of a UAV in low-light and no-light environments using infrared data.

This relates to receiving aviation data from different countries and standardizing the data into a common format for use in flight planning and / or controlling aircraft in flight. [Solution] The aeronautical navigation data standardization system (100) comprises an import module (106) configured to receive aeronautical navigation datasets (102) from ANSPs located in each country, a detection module (108) that identifies the type of data and / or the country in which the ANSP is located, a storage module (112) that selects a data standardization case to modify the data based on previous detections of the type of data for one or more previous changes to the data, and an execution module (110) that modifies the data according to the selected one or more data standardization cases. The execution module (110) modifies the format and / or syntax of the aeronautical navigation data in the dataset (102).

The invention discloses a method for evaluating the influence of external factors on the maintenance capability of first-line navigation maintenance personnel, and relates to the technical field of aviation, and the method comprises the steps: constructing an external factor influence evaluation index system of the maintenance capability of the first-line navigation maintenance personnel; determining index weights of the influence factors based on an analytic hierarchy process; and calculating an evaluation index weight, and carrying out consistency and randomness test on the judgment matrix. 10 factors related to two dimensions are screened through literature review and expert interviews, influence factors outside the maintenance capability of maintenance personnel at the front-line of navigation are comprehensively covered, in the calculation process of the weight, a difference value method of an importance arithmetic mean is applied, the established judgment matrix not only integrates opinions of all experts, but also improves the calculation efficiency of the maintenance personnel at the front-line of navigation, and the calculation efficiency of the maintenance personnel at the front-line of navigation is improved. And a good consistency proportion is achieved. The result of the invention provides a clear improvement direction for a navigation maintenance unit, and the maintenance capability of front-line maintenance personnel can be improved in a targeted manner.

The utility model discloses an air-ground collaborative search and rescue system applied to a complex environment, which belongs to the technical field of search and rescue, and comprises an air unmanned aerial vehicle system, a ground mobile robot system and a data center, and the air unmanned aerial vehicle system and the ground mobile robot system are interconnected through the data center; the air unmanned aerial vehicle system comprises an air mapping unmanned aerial vehicle subsystem composed of a plurality of first echelon unmanned aerial vehicles and an air navigation unmanned aerial vehicle subsystem composed of a plurality of second echelon unmanned aerial vehicles. Map data collected by the air mapping unmanned aerial vehicle subsystem and position coordinates collected by the air navigation unmanned aerial vehicle subsystem are transmitted to the ground mobile robot system through the data center, and finally the ground mobile robot system executes a search and rescue task according to the map data and the position coordinates. Even in a complex environment, due to the fact that the aerial mapping unmanned aerial vehicle subsystem is additionally arranged, direction guidance can still be provided for the ground mobile robot system through map data.

The invention provides an unmanned aerial vehicle air navigation visual language motion control method with an active dialogue capability, and belongs to the technical field of unmanned aerial vehicle navigation. The method comprises the following steps: processing dialogue historical data through LLM, extracting image features through a visual encoder, obtaining space and time sequence features in combination with observation historical data, introducing a PNaQ module to realize displacement updating, termination judgment and active question asking, and amplifying a data set by matching with a one-time data enhancement technology, so that the problems of disordered long-range navigation time-space relationship, lack of active question asking and the like are solved; and the navigation accuracy and interactivity are improved.

A mobile device on which an application software or application program is installed and working for performing a registration process to a registration server for an integration of the mobile device into an air traffic control (ATC) voice environment. The application software can subsequently be launched on the mobile device to establish a connection via IP (for instance 4G / 5G) to the network of an Air Navigation Service Provider (ANSP). Based on a geolocation information provided to the application, the application connects the mobile device to an IT system (radio server) managing a proper communication frequency. This allows the user to receive every VHF transmissions on his mobile phone using the VHF ground based receivers of the ANSP. Once the user wants to transmit, he can press a push-to-talk (PTT) button on the interface of the application on the mobile device.

The application discloses a cross-medium vehicle and a cross-medium method of the cross-medium vehicle. The cross-medium vehicle comprises a vehicle body, a first fuselage and a second fuselage, which are sequentially arranged from a first end to a second end of the vehicle body. The first fuselage is a rotary body structure suitable for air navigation, and the second fuselage is a ship type structure suitable for water navigation. A first driving assembly is arranged at a middle part of the vehicle body, and is used for controlling the stability of the cross-medium vehicle in a cross-medium navigation process. A second driving assembly is arranged at the first end of the vehicle body, and is used for controlling the stability of the cross-medium vehicle in air navigation. A third driving assembly is arranged at the second end of the vehicle body, and is used for controlling the stability of the cross-medium vehicle in underwater navigation. The cross-medium vehicle and the cross-medium method of the cross-medium vehicle can reduce the resistance of the cross-medium vehicle in the navigation process, and have high control stability in underwater navigation, cross-medium navigation and air navigation.

The present invention relates to the field of air navigation support technology, and discloses an artificial intelligence-based low-altitude air navigation support method and system. The artificial intelligence-based low-altitude air navigation support method includes the following steps: obtaining aircraft position information, aircraft flight status information, aircraft surround view images, destination location information, surrounding terrain data, airspace control information, historical flight data, and historical navigation instruction data; deriving a virtual navigation beacon position set based on the obtained information; obtaining an augmented reality navigation scene image based on the obtained information and the virtual navigation beacon position set; obtaining natural language navigation instructions based on the obtained information and the virtual navigation beacon position set; and integrating the augmented reality navigation scene image and the natural language navigation instructions into a flight control interface. The present invention considers the complexity of the airspace, combines a set priority function with virtual navigation beacons, generates an augmented reality navigation scene image, and thereby makes navigation information more intuitive and accurate.

The invention relates to the field of air navigation. More particularly, the invention relates to a computer-implemented method comprising: loading an initial active flight plan of an aircraft comprising a first approach procedure to a runway up to a missed approach point and ending between said missed approach point and a final point; loading a secondary flight plan comprising an approach procedure to the runway between said missed approach point and said runway and a second missed approach procedure ending at a second final point at the end of said approach; receiving an instruction from an operator of said aircraft to link said initial active flight plan and said secondary flight plan; in the event that the operator missed at said missed approach point, activating said missed approach procedure; otherwise, automatically selecting said secondary flight plan as the active flight plan and activating a second approach.

In the field of air navigation, a computer-implemented method includes loading an initial active flight plan for an aircraft comprising a first approach procedure to a runway up to a missed approach point ending between the missed approach point and a final point; loading a secondary flight plan comprising an approach procedure to the runway between the missed approach point and the runway, and a second missed approach procedure at the end of the approach, and ending at a second final point; receiving an instruction from an operator of the aircraft to link the initial active flight plan and the secondary flight plan; in the event of a go-around by the operator at the latest at the missed approach point, activating the missed approach procedure; otherwise, automatically selecting the secondary flight plan as active flight plan and activating the second approach.

Aerial navigation is disclosed. A system can detect a difference between forces applied to a plurality of ground contact points of an aerial vehicle taxiing on a ground surface. The system can determine an adjustment to a vertical component of a thrust. The thrust can be produced by at least one of a rotor or a propeller of the aerial vehicle to reduce the difference between the forces applied to the plurality of ground contact points of the aerial vehicle. The system can generate a control output to cause the at least one of the rotor or the propeller to adjust the vertical component of the thrust to reduce the difference between the forces.