Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
107 results about "Self navigation" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Cannula system for free-space navigation and method of use
The present invention is directed to a novel shape-transferring cannula system, which provides access to tortuous and unsupported paths. The shape-transferring cannula system and method enables exploration of hollow body structures, and creates a custom-contoured access port for insertion and removal of, for example, diagnostic, surgical, or interventional instruments to and from a site within the body to which the physician does not have line-of-sight access.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Remote-control self-navigation water quality sampling and analyzing device
InactiveCN101592649AAccurate water quality testing dataLow costRadiation pyrometryWithdrawing sample devicesSystem integrationSample water
A remote-control self-navigation water quality sampling and analyzing device belongs to the field of water quality monitoring, sampling and analyzing system integration in environmental protection, and in particular relates to self-navigation running and water quality sampling and analyzing detection technology. The device comprises a carrier [1], a wireless communication module [2], a sampling and analyzing module [3], an environmental sensor module [4], a remote monitoring platform [5], a self-navigation system [6], a control module [7], and the like. The device has the characteristics of remote monitoring, automatic acquisition, sample dividing storage, automatic record of related information and the like in the overall process of sampling water quality, and simultaneously has the advantage of quick and accurate acquisition of time and spacial information; and the water quality analyzing module of the device can acquire partial water quality analyzing results in the first time, so the device can greatly improve the accuracy, authenticity, timeliness, intellectuality and monitoring efficiency of water quality field sampling, can reduce sampling risk and cost, and has significance on water area water quality monitoring.
Owner:CENT TESTING INT GRP CO LTD +2
Navigating and steady aiming method of navigation / steady aiming integrated system
The invention relates to a navigating and stabilized sighting method of a navigation / stabilized sight all-in-one system, belonging to the inertial guidance field. The navigating method realizes stance and positioning on a load by an inertial measuring unit which is arranged on an electro-optical stabilized sighting platform. The method comprises the steps as follows: collecting the signal of the inertial measuring unit; fast and accurately initial aligning below the stabilized sighting platform; an inertial navigation algorithm based on vehicle-bone stabilized sighting platform; resolving heading attitude and analyzing the error thereof; analyzing the error of an inertial guidance system and an inertial part, modeling and compensating; and inertial guidance / milemeter / GPS multi-information fault-tolerance combined navigation. The navigation method overcomes the defects in the prior art that stabilized sighting and the navigation system can not work simultaneously and the all-in-one system can not provide full navigation information, can provide real-time, accurate and complete navigation heading attitude information and navigation positioning information for carriers (like a chariot), and can improve the battlefield viability and the comprehensive hosting ability.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Multifunctional home service robot
The invention relates to a multifunctional home service robot. The multifunctional home service robot is characterized by comprising an intelligent control system, a mechanical structure and a remote control terminal, wherein the intelligent control system is installed on the mechanical structure, the remote control terminal can regulate and control the intelligent control system, and thus the mechanical structure is driven to execute corresponding commands. The multifunctional home service robot can carry out voice-image feedback and limb feedback according to human voice commands and meanwhile has the functions of dust removing, disinfecting, organic-matter decomposing, gas detecting, air purifying, self-navigation traveling, self-action charging and the like. All-dimensional camera shooting and projection entertainment can be controlled through an intelligent microcomputer. The multifunctional home service robot can be used for information storage and voice, text and image intelligent interaction. The multifunctional home service robot also has the functions of indoor security inspection under remote control, emergency alarming and the like.
Owner:BEIJING EVOLVER ROBOTICS TECH CO LTD
Hybrid navigation system for tracking the position of body tissue
InactiveUS20070225595A1Minimize traumaReduce intensitySurgical navigation systemsDiagnostic markersSelf navigationEngineering
A hybrid surgical navigation system for tracking the position of body tissue. The system includes a marker shaped to be mounted subcutaneously to the tissue the position of which is to be tracked. A tracker located above skin level is placed near the marker. A first navigation system integral with the marker and tracker generate data indicating the position of the marker relative to the tracker. A second navigation monitors the position of the tracker. The tracker also includes a transmitter for transmitting data generated by the first navigation system. Based on the data generated by the first navigation system representative of the position of the marker relative to the tracker and the data from the second navigation system representative of the position of the tracker, the position of the marker and tissue to which it is attached is determined.
Owner:STRYKER CORP
Aircraft-mounted multi-navigation-source comprehensive navigation simulation system
ActiveCN104406605AImprove adaptabilityImprove portabilitySatellite radio beaconingSelf navigationData information
The invention discloses an aircraft-mounted multi-navigation-source comprehensive navigation simulation system. In the system, each navigation simulation sub system really simulates functions, performances and interfaces which are same as those of a model according to a self-navigation principle. A scheduling system responds a display control command, a load command and load data information sent by a mission system, and drives the navigation simulation sub systems to perform simulation calculation with combination of environment simulation data. A combined navigation system, with an INS simulation sub system as a main navigation source, performs integrated navigation based on and fault detection federated Kalman filter with GNSS, TACAN and IFDL as auxiliary navigation sources. Information fusion is achieved through a generalized federated Kalman filter in a two-stage structure constructed through a federated filter algorithm, wherein a main filter performs total information fusion and performs information distribution and information reset to each sub filter. Optimal estimation is carried out to a result of each sub filter through a dynamic information distribution coefficient. Meanwhile, the INS simulation sub system is subjected to closed-loop negative feedback correction through an estimated error by the system.
Owner:10TH RES INST OF CETC
Hybrid driven under-water self-navigation device
InactiveCN101070092AAdd depthImprove gliding efficiencyPropulsion power plantsPropulsive elementsControl systemAttitude control
The invention discloses a self aircraft under water driven by the mixed power. It includes the main body, the fixed vane, the vertical tail vane, the horizontally fixed bow rudder and a canula screw thruster. In the dome, it is installed with the flotage driving out bladder, the flotage driving pressure capsule with the flotage driving system, the guise adjusting pressure capsule with the pitching adjusting system and the navigation system, the electric source and controlling system pressure capsule which are all connected with out water directly. By using the triangle vane, it is proper to improve the gliding effect when gliding; by using the horizontal bow rudder and the vertical tail rudder, the guise and the track can be controlled in the AUV mode to help the guise control in the gliding mode, the pitching guise adjusting system can reach the guise control in gliding mode. So it can monitor and detect the big field water for long time.
Owner:TIANJIN UNIV
User navigation and guidance during configuration and storage of parameters for medical device
Systems and methods for providing a navigation and guidance sequence during configuration, input, and storage of programmable parameters for use in a medical device. One embodiment includes a cardiac rhythm management device as the medical device. The navigational sequence provides a series of interfaces on which parameter input fields are displayed. In one embodiment, the interfaces are graphical user interfaces. Each interface may include a plurality of different sets of parameter input fields with only one set being displayed at a time.
Owner:CARDIAC PACEMAKERS INC
Self-navigation full-automatic cleaning device for photovoltaic cell panel
InactiveCN103599907AReduce labor intensityImprove work efficiencyCleaning using toolsCleaning using liquidsFixed bearingCells panel
The invention discloses a self-navigation full-automatic cleaning device for a photovoltaic cell panel. The device has the full-automatic functions of automatically navigating travelling, automatically regulating a cleaning state, automatically selecting a cleaning mode and automatically charging an accumulator. The load-bearing trolley of the device realizes the automatic travelling function of a fixed route by utilizing a self-navigation sensing system and detecting characteristic markers previously placed on site; the lifting platform, telescopic link, brush roller bracket and fixed bearing of the device can completely substitute for the design of a mechanical arm to realize the automatic real-time control of the angle height of the brush roller bracket and realize the function of automatically regulating the cleaning state according to pressure sensing data; a photoelectric sensing system can feed back the dust dirty degree of the surface of the photovoltaic cell panel in real time so as to regulate the travelling speed of the load-bearing trolley and the rotation speed of a brush roller and determine whether a water spray cleaning mode is adopted or not. The self-navigation full-automatic cleaning device disclosed by the invention is simple in structure, can not only save the cost, but also increase the cleaning efficiency, and is very suitable for large-area popularization and usage.
Owner:邵俊松 +1
Spine image generating system based on ultrasonic rubbing technology and spine surgical navigation positioning system
ActiveCN107595387AAvoid damageAccurate intraoperative navigationImage enhancementImage analysisContour matchingSelf navigation
Owner:ZHEJIANG UNIV
Vehicle mounted positioning navigation terminal facing emergent rescuing
InactiveCN101261134AReduce work intensityAccurate vehicle location informationInstruments for road network navigationRoad vehicles traffic controlOn boardSelf navigation
The invention provides an on-board positioning navigation terminal which faces to emergency rescue, consisting of a host machine module, a power supply module, a GPS satellite positioning module, and a GPRS wireless communication module; the terminal is operated by a liquid crystal touch screen, information such as coordinates, direction, velocity, etc. are gained by the GPS module, the communication to a remote monitoring dispatching center, reporting the GPS information or receiving the emergency rescue dispatching information are carried out by the GPRS wireless network. The on-board positioning navigation terminal has two navigation types: self-navigation and controlled navigation and can realize the navigation from the current position to any coordinate position within a certain range. Furthermore, the on-board positioning navigation terminal can also provide a plurality of functions such as alarming and automatic updating, etc.
Owner:BEIHANG UNIV
Integrated navigation system of strapdown inertial navigation system (SINS)/central nervous system (CNS)/global navigation satellite system (GNSS) of geostationary earth orbit (GEO) transfer vehicle
ActiveCN103134491AStrong autonomyHigh precisionNavigational calculation instrumentsNavigation by speed/acceleration measurementsTime errorClosed loop feedback
The invention provides an integrated navigation system of a strapdown inertial navigation system (SINS) / a central nervous system (CNS) / a global navigation satellite system (GNSS) of a geostationary earth orbit (GEO) transfer vehicle. The SINS serves as a core of the integrated navigation system. Navigation information of the GEO transfer vehicle is calculated and output by the SINS in real time, fault detection and isolation are conducted to data output by a GNSS receiver, a globe sensor and a star sensor by utilizing a residual error chi 2 detecting method improved by a kalman filter. Information fusion is conducted to output information of the globe sensor and the star sensor in a celestial navigation system, pseudorange measuring information output by the GNSS receiver and the navigation information output by the SINS. Navigation errors, inertial device errors, globe sensor errors and GNSS receiver time errors of the GEO transfer vehicle are evaluated in real time, and the navigation errors of the GEO transfer vehicle are corrected through a manner of closed loop feedback correction in real time so that in-orbit self navigation with high precision and high reliability of the GEO transfer vehicle is achieved, and therefore meaningful effects of good subjectivity, high precision, good robustness and high reliability are obtained.
Owner:SHANGHAI AEROSPACE SYST ENG INST
Picture positioning method and system based on mobile terminal navigation function
ActiveCN103167395ALow costTelevision system detailsInformation formatTime informationSelf navigation
The invention provides a picture positioning method and a system based on a mobile terminal navigation function. The method comprises that A, in the process of utilizing of camera equipment to take pictures, a mobile terminal obtains and records current time information and geographic position information of a current tracking point through a self navigation function; and B, a cloud service is utilized to connect picture taking time of taken pictures and time information obtained by the mobile terminal so as to confirm the geographic position information of the taken pictures, wherein the camera equipment is synchronous with time of the mobile terminal.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Mixed mobile agent-based wireless sensor network data transmission method
InactiveCN101039321AEfficient data transferReduce data volumeEnergy efficient ICTData switching by path configurationTime informationSelf navigation
A data transmission method of wireless sensor network based on multiple mobile agents introduces the mobile agents into the data collection and transmission for network. The main strategies of the method are: 1. collecting local data through self-equipped processing capability of software mobile agents and carrying out local processing; 2. starting hardware agents for continuously carrying out data collection and transmission for a local part of the network during a period with requirement of massive data collection and transmission. Thereby, the traditional mode pattern of distributed user terminal / server of a system is changed, data flow transmitted from a sensor node to a base station (or a gateway) is greatly decreased, the manner of data transmission is simplified and the purpose of energy saving and efficiency is realized. On condition of that once these matters occur in the network, the user needs to obtain accurate and real-time information, a self-navigation mechanism of the hardware agent can get to the occurring area, and the hardware agent can speedily collect and transmit the data cared by the user based on its excellent capability of management and communication.
Owner:NANJING UNIV OF POSTS & TELECOMM
Full automatic both side straddle mounted type road guardrail remote control cleaner
InactiveCN101538835AWash thoroughlyAvoid secondary pollutionRoad cleaningProblem of timeSelf navigation
The invention relates to a full automatic both side straddle mounted type road guardrail which solves the problems of time consuming, great effort, low efficiency in the prior art during cleaning a road guardrail; the adopted technical proposal is as follows: the structure internally comprises a storage water tank, a box body, a motor power supply mechanism arranged in the box body, a driving motor, an actuating mechanism, a travelling mechanism, a cleaning mechanism, a water level sensing mechanism, and is provided with a self-navigation system matched with the traveling mechanism so as to control the steering of the device. The cleaner is internally provided with a water adsorption roller, a water touch roller and a scrubbing brush roller for completely cleaning the guardrail; the motor power supply mechanism is charged by a solar battery. The cleaner has simpler operation, convenient unloading, low cost, environmental protection, high working efficiency, and complete cleaning.
Owner:HEBEI AGRICULTURAL UNIV.
Visual navigation and inertial navigation combination navigation method based on aircraft
InactiveCN107014380ARealize continuous track navigationEasy to useNavigational calculation instrumentsNavigation by speed/acceleration measurementsSelf navigationVideo image
The invention discloses a visual navigation and inertial navigation combination navigation method based on an aircraft. The method comprises the following steps: 1, establishing a two-dimensional planar rectangular picture coordinate system; 2, acquiring video image data and aircraft pose data, and preprocessing images; 3, continuously tracking a characteristic point; 4, establishing a three-dimensional flight-path coordinate system; 5, calculating the speed vector of the flight-path; 6, resolving the attitude of the aircraft; 7, fusing data, and calculating the flight-path angle; 8, carrying out coordinate transformation, and acquiring the displacement matrix of the aircraft; and 9,repeating step 3 to step 8 multiple times until the continuous acquisition of the displacement matrix set of the images is completed in order to achieve the continuous combination navigation. The movement flight-path speed vector of the aircraft is obtained through visual navigation, the inertial navigation data is fused, and the error of the visual navigation is compensated and corrected to reconstruct the flight-path of the aircraft, so the aircraft can stably and autonomously fly.
Owner:XIAN UNIV OF SCI & TECH
Large heavy-duty unmanned navigation intelligent electric flat carriage with automatic correction function
PendingCN106708045AEasy to controlImprove conveniencePosition/course control in two dimensionsVehiclesElectricityDrive wheel
The invention relates to a large heavy-duty unmanned navigation intelligent electric flat carriage with an automatic correction function. The electric flat carriage comprises a steel load carriage body, four drive wheels set which are arranged at the bottom of the load carriage body, a magnetic navigation sensor, an RFID reader, a power supply and a PLC control box, wherein the magnetic navigation sensor and the RFID reader are arranged on the axle wire of the bottom of the load carriage body, and the power supply and the PLC control box are arranged on the load carriage body. The magnetic navigation sensor and a navigation magnetic stripe laid on the ground of a production workshop are in magnetic induction connection. The RFID reader and a number of RFID electronic tags which are pasted on the navigation magnetic stripe with uniform spacing are in radio frequency communication connection. The magnetic navigation sensor comprises a number of Hall switch sensors, LED indication lamps corresponding to the Hall switch sensors and a control chip. The Hall switch sensors and the LED indication lamps are electrically connected with the control chip. The AGV trolley has the advantages of compact and reliable structure and heavy load, and realizes the functions of self-navigation and automatic correction at the same time through the magnetic navigation sensor.
Owner:YANCHENG INST OF TECH
Underwater dry-type repairing work cabin
InactiveCN1877181AApplicable production statusPipe laying and repairUnderwater equipmentOcean bottomInternal pressure
The invention relates to an improvement on the underwater tube and cable maintainer, especially providing an underwater dry maintain cabin. Wherein, it is in thin-wall cylinder structure, without top and bottom, which is connected to the diver via lifting cylinder; said cabin is a sealing pressure cabin, whose pressure can be adjusted according to the water depth. And it is formed by maintain cabin, lifting cylinder, ejection system, pump system, and sealing device. The invention is characterized in that: it can be mounted on the diver with self navigation ability, to process the maintenance without working ship; and said cabin can dive into sea bed, via the lifting cylinder, to maintain the embedded cable and tube.
Owner:中石化石油工程技术服务有限公司 +1
Electronic device and navigation method thereof
ActiveCN103954291AIncrease the function of self-locationImprove the inconvenienceInstruments for road network navigationSatellite radio beaconingSelf navigationSelf positioning
The invention discloses an electronic device and a navigation method thereof. The navigation method of the electronic device comprises the following steps: S1, detecting the state of a satellite positioning function and the state of a base station positioning function, and if the satellite positioning function and the base station positioning function are invalid, recording positioning information when the two functions are invalid as primary positioning information and starting a self-positioning function; S2, calculating displacement by the self-positioning function based on the primary positioning information and updating current positioning information on an electronic map; S3, detecting the state of the satellite positioning function and the state of the base station positioning function again, and if the satellite positioning function and the base station positioning function are restored, closing the self-positioning function, restarting the satellite positioning function and the base station positioning function and returning to the step S1, or returning to the step S2 if the satellite positioning function and the base station positioning function are not restored. By adopting the electronic device, users can implement self-navigation in dead zones of satellite positioning signals and mobile communication signals through the method.
Owner:SHENZHEN WATER WORLD INFORMATION CO LTD
Deep space probe UPF celestial self-navigation method based on starlight angle
InactiveCN1995915AImprove navigation accuracyImprove utilization efficiencyNavigational calculation instrumentsInstruments for comonautical navigationSelf navigationAngular distance
The invention relates to an UPF automatic astrogation based on the star angular distance. It starts with precise modeling of the UPF track dynamics, using the star angular distance as the measuring unit, and optimizing the estimation based on the UPF (unscented particle filter) for the guide parameter. It applies to UPF guide location on the track transfer for the guide parameter determination.
Owner:BEIHANG UNIV
Wheel type mobile robot navigation method based on IHDR self-learning frame
ActiveCN104850120AHigh degree of intelligencePrevent buildupPosition/course control in two dimensionsSelf navigationMathematical model
The invention relates to a wheel type mobile robot navigation method based on an IHDR self-learning frame. The method comprises following steps: firstly, a robot is guided to move, and in the process, the robot is controlled to acquire current image information and speed values in real time via a kinect sensor and a handle; then the IHDR algorithm is employed to establish a mapping relation between image input and speed value output and store a lot of acquired data in the robot in the manner of a "knowledge" tree-shaped structure; finally, the robot can search in a knowledge base according to the current image information without human intervention so that self navigation is realized. According to the method, the robot has the same thinking mode with people, a cognitive ability is reflected, the navigation is not realized via a mathematical model in a conventional manner, and the intelligent degree is higher.
Owner:WUHAN UNIV OF SCI & TECH
Single-viewing-field multifunctional optical sensor and realization method
ActiveCN106679676AAvoid lostAvoid overexposureInstruments for comonautical navigationPicture taking arrangementsImaging processingSelf navigation
The invention relates to a single-viewing-field multifunctional optical sensor and a realization method. The sensor integrates functions of a star sensor, a navigation sensor and a spatial optical camera and comprises a dynamic range exposure module, an image processing module, a posture calculation module, a self-navigation module and an image compression module. Functions of a conventional navigation system with multiple sensors combined are realized through a single sensor, so that system complexity is greatly simplified, and weight and cost are lowered.
Owner:BEIHANG UNIV
Method controlling vehicle by electroencephalogram and intelligent vehicle using method
The invention provides a method controlling a vehicle by electroencephalogram and an intelligent vehicle using the method. The method includes that a destination which is expected to reach by a user is identified by collecting and analyzing an electroencephalogram signal when the user watches a corresponding destination and is stimulated, then the destination is transmitted to a self-navigation system of the intelligent vehicle, and a vehicle is moved to the destination by the self-navigation system. Any limb motion and language are not needed, only a task of a brain-machine interface needs conducting by the user, a command is obtained by analysis of the brain signal, and movement of the intelligent vehicle is achieved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Planet entering section navigation filtering method based on layered atmosphere model
InactiveCN103453907AGuaranteed accuracyGuaranteed real-timeInstruments for comonautical navigationSelf navigationDirection information
The invention relates to a planet entering section navigation filtering method based on a layered atmosphere model and belongs to the technical field of deep space detection. The method provided by the invention takes an output of an inertial measurement unit (IMU) as an external measuring value on the basis of a dead reckoning navigation method and simultaneously introduces a multilayered atmosphere model to establish a planet entering section measurement equation and construct a state estimating device; filtering estimation is carried out on positions, speeds and direction information of a landing device; resolving time of navigation data is short and real-time requirements of self navigation are met; compared with a single dead reckoning navigation method, the influences on the state of the landing device by initial deviation can be corrected and the navigation precision is improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Tools and methods for distributed spatial control of swarms via multiplex information networks
ActiveUS20180167452A1Particular environment based servicesExternal condition input parametersCommunication interfaceSelf navigation
A method and system for distributed spatial control of a formation of vehicles includes receiving at a first formation vehicle via a peer-to-peer communication interface, direction of travel and formation density information that indicate a course of travel for the first vehicle while travelling as a member of the formation of vehicles. The peer-to-peer formation density information indicates a distance to maintain from other neighboring formation vehicles. A formation vehicle self-navigation command is generated for navigating the first vehicle when travelling in one dimensional, two dimensional, or three dimensional space as a member of the formation of vehicles. The self-navigation command is based on the peer-to-peer direction of travel and formation density information. The direction of travel information is based on locally determined spatial relationships of a portion of the formation of vehicles.
Owner:UNIV OF SOUTH FLORIDA
Bank self-service robot system and automatic navigation method thereof
InactiveCN105425799APosition/course control in two dimensionsVehiclesControl layerHumanoid robot nao
The invention discloses a bank self-service robot system and an automatic navigation method thereof. The bank self-service robot system is characterized by comprising a humanoid robot, sound equipment, a robot vision system, a decision-making system and a voice processing system, wherein the decision-making system is connected with the humanoid robot, the sound equipment, the robot vision system and the voice processing system, the humanoid robot is connected with the robot vision system, and the voice processing system interacts with audiences. By adopting the most advanced SLAM technology at home and abroad and by means of an ROS operating system, the bank self-service robot system makes a control layer of the robot into a human brain completely, the robot can automatically perform self-positioning and self-navigation according to indoor environment, the voice adopts a full-autonomous mode without manual control, and the robot is more intelligent and humanized.
Owner:KUNSHAN PANGOLIN ROBOT
Self-navigation wind gathering device for vertical axis wind driven generator
InactiveCN101649809AIncrease speedIncrease profitMachines/enginesRenewable energy generationWind drivenSelf navigation
The invention discloses a self-navigation wind gathering device for a vertical axis wind driven generator. A wind gathering frame is provided with an upper bearing sleeve and a lower bearing sleeve which are close to a circle center part, and the bearing sleeves are connected to a main axis of the vertical axis wind driven generator through an upper bearing and a lower bearing. A front wind gathering plate, a side wind gathering plate and a balance rod which can radially move along the wind gathering frame are vertically distributed inside the wind gathering frame, wherein an included angle alpha between the front wind gathering plate and a Y axis in a negative direction is 30-70 degrees; an included angle beta between the side wind gathering plate and an X axis in a positive direction is0-90 degrees; included angles theta1 and theta2 between both side plates of an empennage and the Y axis in the positive direction are 0-30 degrees; and the empennage is arranged above the wind gathering frame. The self-navigation wind gathering device for the vertical axis wind driven generator has reasonable structure, and compared with a vertical axis wind driven generator without the wind gathering device, the self-navigation wind gathering device for the vertical axis wind driven generator can effectively improve the rotating speed of blades of the vertical axis wind driven generator, thereby improving the utilization rate of wind energy by 100-150 percent.
Owner:NANTONG UNIVERSITY
Deeply-integrated navigation method for acquisition phase of deep space exploration
ActiveCN106017480AShorten the timeMeet the needs of deep space explorationInstruments for comonautical navigationSelf navigationDynamic models
The invention provides a deeply-integrated navigation method for an acquisition phase of deep space exploration. The deeply-integrated navigation method comprises a preparation stage and a filter stage, wherein in the preparation stage, a rail dynamic model, a direction measuring model, a distance measuring model and a speed measuring model of a deep space explorer are established; in the filter stage, an extended Kalman filter is utilized for filtering; a state transfer model in a navigation filter is the rail dynamic model; selection of measuring models in the navigation filter comprises selecting the direction measuring model or the speed measuring model when distance measuring information is not obtained within a pulse observation period, and compensation is carried out on a pulse signal received by an X-ray sensor; when pulse signal accumulation is completed and distance measuring information is obtained, the distance measuring model is selected; the navigation filter utilizes the distance measuring model to obtain a position and a speed vector needed by navigation. According to the deeply-integrated navigation method, Doppler deviation of pulse arrival time is inhibited, filter convergence is realized, positioning precision is high, and the requirements on the sensor are very low. Therefore, the deeply-integrated navigation method has important practical significance on self-navigation of a spacecraft.
Owner:日照经济技术开发区客商服务有限公司
Remote fixed-point self-navigation method based on visual ROS system and used for nonholonomic robot
InactiveCN107860390ARealization of remote fixed-point self-navigationSolve positioningNavigational calculation instrumentsFeature extractionPoint cloud
The invention discloses a remote fixed-point self-navigation method based on a visual ROS system and used for a nonholonomic robot. Firstly, a RGB images and depth images are acquired through a calibrated Kinect vidicon to obtain a point cloud image, an SURF method is adopted to extract characteristic information of each frame of images, the characteristics of adjacent frames are matched, robot posture change between every two adjacent frames is estimated by combining with the depth images, estimation results are optimized, a raster map of an ambient environment is created, connection betweenan upper computer and a lower computer is achieved, destination marking is conducted on the map, and remote fixed-point self navigation of the robot is achieved. Posture information of the robot is read through point cloud images, the position accuracy is improved, and characteristic extraction is performed by adopting the SURF method so that the extraction speed and accuracy can meet the real-time demand. The posture change is optimized and treated, the positioning accuracy is improved, meanwhile the function of remote fixed-point self navigation of the robot is achieved.
Owner:HOHAI UNIV CHANGZHOU
Device and method for vein navigation
ActiveCN105125176ACompact structureImprove real-time performanceDiagnostic recording/measuringSensorsVeinSkin surface
The invention discloses a device for vein navigation. A skin area exposed to an infrared light source is obtained through a sensitization device, an image is transmitted to a microprocessing unit, undergoes processing of an image algorithm, such as enhancement, extraction and reconstruction, is transmitted to a projection module and is projected to an image collecting area through the projection module, and it is guaranteed that the projected image and an originally collected image coincide under the working distance conditions. A method for vein navigation is further disclosed. According to the device and method for vein navigation, doctors are assisted to operate blood vessels, the device has the advantages of being compact in structure and good in real-time performance, and the processed image can be completely projected to the surface of the skin according to the proportion of 1:1.
Owner:博联众科(武汉)科技有限公司
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com