205 results about "Airway" patented technology

The invention provides a remote unmanned aerial vehicle cluster control method and system based on 3G (the 3rd Generation Telecommunication) and GPRS (General Packet Radio Service) cell phone communication and belongs to the technical field of unmanned aerial vehicles. Each unmanned aerial vehicle is provided with an independent unique electronic identification code by integrating a cell phone communication module into a flight control computer board card; as long as the system is started and electrified, the current relevant information of the unmanned aerial vehicle is transmitted to a remote control center; a permission instruction is necessarily applied from a control center for each flight; information such as an airway plan is made uniformly in the control center; and the information is transmitted to an operation terminal of the unmanned aerial vehicle through a cell phone communication module. Consequently the unmanned aerial vehicle cannot fly away without a headquarter control instruction. The state of each unmanned aerial vehicle is fed back to the control center and can be shared with networked data of relevant national supervision departments so as to play roles in unified supervision and scheduling. In addition, the on-site operation personnel do not need professional knowledge such as airway point setup; and the unmanned aerial vehicle can be operated by common people subjected to simple training, so that the problem of staff shortage in unmanned aerial vehicle control is solved.

Systems and methods place a magnetic structure in or on a single tissue mass in an airway. A first magnetic region on a given structure magnetically interacts with a second magnetic region on the structure to shape the structure within the single tissue mass and thereby stabilize a desired orientation for the single tissue mass. The first magnetic region can magnetically interact with the second magnetic region, e.g., by generating magnetic attracting forces.

The invention discloses a UAV route planning method based on a mixed ant colony algorithm. On the basis of the existing UAV route planning research, the present invention adopts the method of combining the ant colony algorithm and the artificial potential field method to carry out the route planning respectively. Global route planning and local route re-planning. Using the mixed ant colony algorithm, the drone first performs global route planning, and needs to make local path re-planning for some corners that cannot fly, so that the drone can successfully bypass obstacles while avoiding its own constraints, improving the efficiency of unmanned aerial vehicles. The operational efficiency and survival probability of the aircraft.

The present invention provides systems, apparatus and means to perform various FMS flight plan edits and definition of navigation reference fixes using interactive graphical representations displayed on an MFD rather than a text-based CDU. In two of the embodiments of the present invention, means are provided where minimal pilot actions, i.e., shortcuts, (which may also include entry / adjustment of a numerical value) are performed on an electronic display that accomplish particular flight plan edits as compared to several pilot actions when using a CDU to perform the same edits. In another embodiment of the present invention, a means is provided where the data entry method is graphical in nature rather than alphanumeric text for inserting an airway into a flight plan. The alphanumeric identifiers are represented as graphical objects which are selectable. In yet another embodiment, the present invention teaches a means for a flight plan modification consisting of the entry or bidirectional adjustment of a parallel offset value directly on an electronic map. In another embodiment, the present invention includes the display of a dialog box showing interactive lists of the available instrument procedures for the selected airport which is displayed on an electronic map. The display lists remain in view after selections are made with the active selection and new selection highlighted differently in the list. In another embodiment of the present invention, a means is provided to allow entry / adjustment of navigation reference fix input data directly on the electronic map. Graphical navigation reference fix symbology is dynamically positioned on the electronic map while the input data value is being adjusted.

The present invention discloses a method for improving control and detection precision of tidal volume by introducing R value, comprising the steps of: a plateau pressure Pplate is used to calculate a system compliance C with C=ΔV / (Pplate−PEEP); VT, the tidal volume obtained currently at patient terminal, is calculated with VT=ΔV×(C−Ctube) / C, wherein ΔV is the variation of tidal volume, PEEP is the positive end expiratory pressure and Ctube is the compliance C of the line. Depending on the calculated VT, the tidal volume which is actually obtained by the patients during this period, the processing unit calculates the tidal volume VT′, which the airway is intended to reach during the next expiration period, by VT′=VT+ΔVT×K wherein K is a scaling factor for control and adjustment, VT is the tidal volume obtained by the patient during the current period, VTset is the presetted tidal volume, ΔVT=VTset−VT. And the processing unit accordingly controls the opening position of the inspiratory valve during the next inspiration period, so as to achieve the purpose of improving control and detection of precision tidal volume.

The invention discloses an improved unmanned aerial vehicle track real-time planning method, which is used for solving the technical problem that the existing unmanned aerial vehicle target tracking track planning method is poor in moving target tracking real-time performance. According to the technical scheme, a flight route is planned in advance according to state information of an unmanned aerial vehicle and a tracked target, and the unmanned aerial vehicle is guided to fly along the preset route. As the tracking target is a maneuvering target, different from global planning flying from thepoint A to the point B, airway planning cannot be completed offline at a time and must be carried out online in real time according to the unmanned aerial vehicle, the position of the target and thelike, flight and planning are carried out at the same time, and a planned airway responds to maneuvering of the target in time. Model prediction control is adopted to replace global optimization withlocal optimization, so that route planning of the unmanned aerial vehicle can respond to dynamic changes of the battlefield environment in time. Due to the fact that local optimization needs to be calculated, near-real-time solving can be achieved, the target is predicted in real time, the position of the target is updated in time, and the real-time performance of route planning is better.

Embodiments of the present disclosure disclose an aerial vehicle landing method, a ground control system, and a flight control system. The aerial vehicle landing method includes: selecting, when an aerial vehicle needs to make a diversion, an available alternative landing area according to at least a flight parameter of the aerial vehicle; determining the available alternative landing area as a target waypoint, and planning a new airway according to the target waypoint; and controlling, according to the new airway, the aerial vehicle to fly to the target waypoint. According to the foregoing manners, the embodiments of the present disclosure can resolve problems of unpredictable casualties and property losses that may be caused because the aerial vehicle has an emergency and is landed in a non-predetermined area.

Airway devices are disclosed. Methods of making and using airway devices are also disclosed.

The invention discloses an unmanned aerial vehicle route planning and obstacle avoidance method, which comprises the steps of S1, establishing a two-dimensional space model, and setting space model data according to a flight starting point and a flight ending point; S2, obtaining a global offline air route by utilizing the space model data, and setting a flight air route as a global offline air route; S3, the unmanned aerial vehicle flying along the flight route, and monitoring whether a dynamic obstacle appears on the flight route or not in real time through a sensor; S4, when a dynamic obstacle appears, entering the next step; if no dynamic obstacle appears and the flight end point is not reached, entering the step S3, and if the flight end point is reached, entering the step S8; s5, initializing a pigeon flock algorithm by adopting an adjoint matrix method with constraints, and then performing local airway planning by using the pigeon flock algorithm; s6, smoothing the local air route by using the B spline curve; s7, the flight route being a combination of a global offline route and a local route, and executing the step S3; and S8, completing a flight mission, and ending the process.

An airway assist device and methods of making and using an airway assist device to assist in opening an airway or removing fluid or material obstructing an airway of a subject.

The invention discloses an AUV (Autonomous Underwater Vehicle) three-dimensional airway planning method, which improves the planning speed and planning speed of an algorithm by improving a particle initialization method, setting a punishment value for entering an obstacle and setting the step length of an added particle moving position. The method mainly comprises the steps of three-dimensional environment abstract modeling, particle position initialization, punishment value setting of entering obstacles, cost function value calculation, particle movement step length setting, cost value comparison of a particle swarm, particle position updating and planning result output. Compared with a traditional quantum particle swarm airway planning algorithm, the three-dimensional airway planning method provided by the invention considers the influence of ocean current factors, so that the algorithm application is wider; meanwhile, compared with two-dimensional air route planning, three-dimensional air route planning is more practical, and the actual navigation requirement can be better met.

Airway devices and securing devices are disclosed. Methods of making and using airway devices and securing devices are also disclosed.

The invention discloses a flight delay prediction method and device and a computer storage medium. The method comprises the steps of obtaining a flight prediction data set, wherein the flight prediction data set at least comprises one of a flight number, a flight control number, a departure airport, the flight takeoff time, a landing airport and the flight landing time; preprocessing the flight prediction data set; training a random forest network model by adopting the processed flight prediction data set; and carrying out airway delay prediction by using the trained random forest network model. According to the invention, an aviation data set is established by receiving an ADS-B message and fusing the information related to flights and airports on the Internet, and on the basis of the data set, a feasible flight delay prediction model is trained, so that the accurate delay prediction can be carried out on the flights with unknown delay. The method and the device are convenient for thetravels, provide the airline company data support and have the potential value.

The invention discloses a ship navigation automatic collision avoidance route planning method and model. The method comprises the following steps: collecting information of an obstacle, a starting point and a destination point, and according to the collected information, when the ship encounters the obstacle in a route planning process, firstly calculating a minimum angle connecting line of the ship capable of avoiding the obstacle, namely a connecting line with a maximum included angle with a test line, and directly recording two possible driving paths on the left side and the right side of the obstacle; and then, when the ship detours along the obstacle, testing each vertex of the obstacle and the middle airway point, respectively calculating and selecting connecting lines with the largest included angles between the left side and the test line and between the right side and the test line, comparing the two connecting lines, and taking the connecting line with the smaller included angle as an alternative route segment to determine a unique route capable of detouring. Compared with the prior art, the ship navigation automatic collision avoidance route planning method and model have the advantages that the route is automatically planned, the requirement of the ship for automatically avoiding collision with obstacles is met, and the method and model have important significance in solving the problems of ship stranding collision and the like and improving marine navigation safety.

The invention relates to an AI intelligent vertical take-off and landing (VTOL) and sea-land-air convertible aircraft carrier, carrier and universal carrying device which are capable of changing motion modes among sea, land and air, and vertically taking off, landing and moving in any geographical environment. The universal carrying device comprises a carrying platform, connectors and engines. Thechange of the connectors controls the change of the distance / angle / direction of nozzles of the engines relative to the carrying platform, controls the change / locking / retraction / extension of the engines relative to the carrying platform, and controls the disconnection / connection / replacement / increment-and-decrement between the engines and the carrying platform. The change of the motion modes amongsea, land and air is realized through various changes of the engines relative to the carrying platform and the cooperation of assisting devices. The assisting devices comprise various compartments, airbags, an air passage, water bags, rails, rail vehicles, manipulator combinations, a movable repairing device, a movable cockpit / cargo compartment, a movable engine, a generator, an underwater jet-flow power device and other required equipment.

The invention discloses an improved QLearning-based multi-unmanned aerial vehicle local airline planning method and an improved QLearning-based multi-unmanned aerial vehicle local airline planning device. The method specifically comprises the following steps: updating the flight environment of the unmanned aerial vehicle by utilizing sudden threat source information detected by a sensor; designing an action space and an action selection strategy, constructing a reward function, and constructing a multi-unmanned aerial vehicle local route planning system model; a cerebellar neural network algorithm is adopted as a state generalization method to be combined with a QLearning algorithm, a model is solved, an action strategy enabling an accumulated return value to be maximum is quickly found out, and therefore an optimal local airway under the multi-unmanned-aerial-vehicle uncertain environment is quickly planned. According to the invention, path search of multi-unmanned aerial vehicle local airline planning in an unknown environment can be quickly realized.

The invention discloses a plate bottom flexural-tensile stress monitoring system and method for a existing runway surface structure. The plate bottom flexural-tensile stress monitoring system for theexisting runway surface structure comprises a plurality of fiber grating sensors installed in line light hoes and grounding strip light holes of the runway, an armored fiber, a main optical cable 4, afiber grating demodulator, a main control terminal, a deconcentrator, fiber jumpers and a temperature compensation grating sensor. The plate bottom flexural-tensile stress monitoring system and method for the existing runway surface structure uses a real plane load to act on the runway surface by means of the fiber grating sensors arranged in airway navigation light holes of an airport runway, and collects the grating refracted light wavelength at the position of the measuring point, so as to realize the measurement of the plate bottom flexural-tensile stress of the airport runway; therefore,not only the monitoring and early warning of airport runway surface damage can be realized, but also the problems such as damage to the existing runway surface and suspending air service for detection can be avoided; and the detection accuracy is high and the speed is fast, which has broad application prospects.

Based on a capnometry signal, one or more breathing parameters of a subject are determined that require valid breaths by the subject to be distinguished from anatomical events that cause the CO2 content of gas at or near the airway of the subject to fluctuate. To improve the accuracy of one or more of these determinations, gas at or near the airway of the subject is diluted.

A system is used to determine which entry in the NDB should be chosen for similarly named identifiers. It first tries to use waypoints before the ambiguous name to determine which entry to use. If those are not available, the present system will use the aircraft's current position, or, if the aircraft is on the ground, the origin airport as determinative factors. These factors will take into account not having the aircraft's location, when the ambiguous waypoint is to be inserted into the route, and if the waypoint is an airway entry or exit.

The invention discloses an airway connecting mechanism for an air impermeability detecting device. The airway connecting mechanism comprises a supporting base for fixing a workpiece to be detected anda quick-plugging connector located on a moving path of the supporting base, wherein a seal pad is arranged on the supporting base, a cavity is formed between the seal pad and the workpiece to be detected, and the face, in butt joint with the quick-plugging connector, of the supporting base is provided with an air nozzle communicated with the cavity, so that the cavity is communicated with the quick-plugging connector when the air nozzle is inserted into the quick-plugging connector. The airway connecting mechanism for the air impermeability detecting device in the scheme is provided with thequick-plugging connector which can be communicated with an air source and the cavity formed between a seal structure and the seal pad, accordingly facilitates air impermeability detection of the sealing structure and is simple in structure and stable in operation.

The invention discloses a multi-objective constrained low-altitude unmanned aerial vehicle route planning design method, and belongs to the technical field of civil aviation delay analysis. Firstly, an initial airway point and an airway network are set based on urban low-altitude requirements, then constraints such as conflict constraints, three-area constraints and passage requirement constraintsare introduced, and multi-objective function optimization such as airspace capacity, operation cost and operation safety is achieved by moving the airway point and reconstructing the airway network.Therefore, corresponding unmanned aerial vehicle low-altitude airway networks are designed for different low-altitude environments.

The invention aims at providing an air cushion system of an amphibious aircraft. The air cushion system comprises an airframe and an air cushion, wherein an air passage and a pressurization chamber are arranged in the airframe, an air intake fan is arranged on the airframe, the air intake fan is arranged at the inlet of the air passage, the air passage is communicated with the pressurization chamber through air passage air injection holes, the lower end surface of the pressurization chamber is provided with a bottom plate, air vents are arranged in the bottom plate; the air cushion comprises an airbag, the airbag is arranged below the bottom plate and is located outside the air injection holes, a cabin hydraulic press is arranged in the pressurization chamber, gaskets are arranged in the airbag, the top of a shock absorber is connected with the cabin hydraulic press, the bottom of the shock absorber is connected with the air cushion through the gaskets, the outside of the lateral side of the air cushion is provided with a web, the rear side of the air cushion is provided with a tailboard, the web is connected with a web hydraulic press, and the tailboard is connected with a tailboard hydraulic press. The air cushion system of the amphibious aircraft is suitable for various operating environments and complex terrains, has good buffer performance, is capable of improving the navigation speed on a water surface, the stability in high sea conditions and the safety during takeoff and landing, shortening the take-off and landing time, and enhancing the maneuverability and stealth performance.

The invention provides a multi-mode receiver ground-based augmentation technology device and a processing method. A GNSS receiving assembly receives satellite navigation signal data and SBAS augmentation signal data; a VDB receiving assembly receives GBAS enhanced signal data; a GLS processing assembly analyzes received GNSS receiving assembly data and VDB receiving assembly data; landing guidancecalculation is carried out according to a working mode selection command and a wave channel selection control command sent by an interface processing assembly, and the interface processing assembly converts navigation and landing guidance data into bus signals and sound analog quantity output signals. According to the method, the overall availability of a satellite navigation system is improved,the positioning precision is improved, the positioning precision and integrity of satellite navigation in an airway and a non-precision approach area are improved, and the positioning precision, integrity and availability of satellite navigation in a precision approach area are improved.

The invention discloses a cross-medium aircraft. The aircraft comprises an aircraft body, hydrofoils are connected to the aircraft body through a storage mechanism, main wings are connected to the aircraft body through a discarding mechanism, a water inlet and an air inlet are further formed in the aircraft body, an air nozzle and a water nozzle are further formed in the tail end of the aircraft body, the air inlet communicates with the air nozzle through an air channel, and the water inlet communicates with the water nozzle through a water channel; a tail vane is also connected on the rear end of the aircraft body; the aircraft is additionally provided with the main wings to provide lifting force for aerial working conditions, and the main wings are upper single wings to reduce water entry impact. The attack angle of the main wings is changed by adjusting pitching of the aircraft so as to achieve the purpose of adjusting the lifting force of the main wing. An overwater / underwater cross-medium engine technology is adopted, and an air spraying port and a water spraying port are formed in the tail end to be matched with a propelling mode of air spraying and underwater water spraying.Retractable hydrofoils are additionally arranged on the front portion of the aircraft and used for providing enough lifting force in the take-off process, and the hydrofoils are retracted under the stable operation condition to reduce navigation resistance. When the aircraft is attacked in water, the main wings are discarded, the navigation resistance is reduced, and the navigation speed is increased.

The invention provides a time parameterized route planning method for an unmanned aerial vehicle in an unknown environment. The method comprises the following steps: S1, performing feasible path search in an unknown environment by using a sampling-based RRT algorithm, performing redundant point elimination after judging the contribution rate of sampling points, and performing fitting smoothing ona sampling-based RRT path by using a piecewise Bezier curve function to obtain a spatial airway; and S2, performing time parameterized optimization on the space airways obtained in the step S1 to enable the space airways to have unmanned aerial vehicle airway properties, achieving balance between airway execution time and airway state output by introducing weight factors, and finally outputting time parameterized planned airways. The invention further provides a time parameterized route planning system for the unmanned aerial vehicle in the unknown environment. The method has the beneficial effect that the unmanned aerial vehicle route planned by the method shows the particularity of the unmanned aerial vehicle route.

The present disclosure aims to implement UAV (unmanned aerial vehicle) logistics operation and air traffic control in flyable airspace technically through a UAV task planning system, which depends on blockchain technology to carry out UAV air traffic surveillance on flight segments in a predetermined barrier-free airway and optimize air traffic according to a safe separation distance for fewest UAV operators, air traffic controllers, communications links and airborne loads.

Airway devices and tube securing devices are disclosed. Methods of making and using airway devices and tube securing devices are also disclosed.

The invention discloses an unmanned aerial vehicle route planning method based on safety cost evaluation. The method comprises the following steps of: rasterizing the ground projection of the flight airspace of an unmanned aerial vehicle to obtain a plurality of square grids; quantitatively describing the flight risk of the unmanned aerial vehicle in the grids by using a grid safety factor; constructing a route planning total cost expectation function based on the grid safety factor and the route distance of the unmanned aerial vehicle; and improving the ant colony algorithm by taking the airway planning total cost expectation function as a target function of the ant colony algorithm, performing iterative computation by utilizing the improved ant colony algorithm, and finally obtaining anexpected flight path after double optimization of airway safety and airway cost. According to the method of the invention, a planned unmanned aerial vehicle airway can have the function of a ground personnel safety barrier. Furthermore, the serious consequence that the unmanned aerial vehicle crashes to injure people is relieved in the strategic stage, and risk relieving is advanced.

The invention discloses a mask fastening system and an anesthesia airway auxiliary management instrument, and relates to a fastening system and an airway auxiliary management instrument. The invention aims to solve the problems that an existing mask pressing mode can not adjust the pressing degree of a mask at any time, so that the mask can not be suitable for different types of patients and leaks. The driving system and a plurality of transmission systems of the mask fastening system are installed in a shell; a tensioning rope is buckled on the mask and stretches into the shell; through the plurality of transmission systems, the head end and the tail end of the tensioning rope are finally contained in the driving system; the driving system drives the head end and the tail end of the tensioning rope to move, the length of the part, which is out of the driving system, of the tensioning rope is changed so as to be converted into the change of force of the tensioning rope fo tightening the mask; and during tensioning, the tension applied to all parts, except the driving system, of the tensioning rope is the same. Two flexible arms are installed on the left side and the right side of the mask fastening system to form the anesthesia airway auxiliary management instrument. The anesthesia airway auxiliary management instrument is used for anesthesia airway auxiliary management.

A system (10) and method of insufflating-exsufflating a subject (12) that enables monitoring and / or control over an enhanced set of breathing parameters during insufflation-exsuffiation. The system and / or method may include automatic triggering and / or notification to a caregiver of insufflation-exsuffiation. The insufflation-exsuffiation of the subject may be preceded by a secretion loosing routine that loosens secretions in the airway of the subject without moving the loosened secretions up the airway.