38results about How to "Realize solution" patented technology

The invention relates to a carrier course angle calculation method based on a polarization compass. The polarization compass comprises two acceleration meters in the horizontal direction and three polarization sensors. The carrier course angle calculation method based on the polarization compass includes that firstly, using the acceleration meters in the horizontal direction to acquire the horizontal posture (pitch angle theta and roll angle gamma) of the carrier; secondly, using the geographical location information and time information of the carrier to calculate a unit sun vector St under a geographic coordinate system; thirdly, using the polarization sensors on the carrier to measure a polarization azimuth angle to calculate a unit sun vector Sm under a polarization sensor module coordinate system; finally, using the horizontal posture information and sun vector information to build the transformation relation of the unit sun vector between the geographic coordinate system and polarization sensor module coordinate system, and confirming the course information Psi of the carrier. The carrier course angle calculation method based on the polarization compass has advantages of high precision, less calculated amount, strong compatibility and the like.

The invention relates to a distributed temperature testing system and method for a hot dry rock deep well. The system comprises a distributed optical fiber temperature collection device, a logging winch, a well descending device and a temperature measuring optical cable, wherein the distributed optical fiber temperature collection device is used for completing collection of temperature along the temperature measuring optical cable and data processing; the logging winch is used for containing and transporting the temperature measuring optical cable and further used for providing a power source for fixed-depth and uniform-speed descending and winding of the temperature measuring optical cable; the well descending device is used for mechanical fixation and guidance for descending and winding of the temperature measuring optical cable; and the temperature measuring optical cable serves as a temperature sensing element and a data transmission channel. The system and the method achieve distributed temperature measurement of the hot dry rock deep well, and have the characteristics of resisting high temperature and high pressure, resisting electromagnetic interference, being free of limitation of severe environments like complex geometric space, and the like.

The invention discloses a hole panoramic image pair three-dimensional imaging method, which comprises a basic principle, a method, an optimized design and algorithm realization. According to the basic principle of the three-dimensional imaging, an imaging method for a 360-DEG drilling hole wall panoramic image-paired image containing the location information of an imaging device is provided by utilizing the technological combination of an optical converter of a twin-conical-surface lens, the imaging device and the space location; a calculation formula of a panoramic image-paired image is derived by theoretically analyzing the hole panoramic image pair imaging principle, the optimized analysis is carried out for the parameters of relevant technology and the layout design, and the corresponding software algorithm is established; and by analyzing a key point and difficulties for realizing the algorithm, the corresponding implementation scheme and flow block diagram are compiled. By adopting the hole panoramic image pair three-dimensional imaging method, the difficult problem of panoramic and three-dimensional detection inside the hole can be solved, a scientific method is provided for the precise detection inside the hole, the breakthrough and substantive progress of the drilling photograph technology can be realized, and the remarkable scientific significance and economical practicability can be realized.

The invention provides a high-precision and low-cost optical tracking method, which utilizes a receiver to calculate the time to receive a scanning signal so as to obtain the image coordinate of the receiver in the emitters; verifying all possible image coordinate corresponding relationships to find the only one correct corresponding relationship between the image coordinate of the receiver to the emitters; and then realizing the solution to the spatial coordinate of the receiver. From the technical principles, the method solves the problem with the decrease in the data refresh rate when plural emitters are used by cascading and using emitters in any number without reducing the tracking data refresh rate.

The invention provides a combat deduction simulation and efficiency evaluation integrated method. According to the method, combat task analysis and deduction simulation operation are carried out by establishing combat scenes and capability index items to complete performance analysis and evaluation of deduction simulation data; the method is based on incidence matrix mapping of capability indexesand combat key events; data integration between a combat deduction simulation subsystem and an efficiency analysis and evaluation subsystem is realized; the combat deduction simulation subsystem sendsa simulation control message and a simulation data message to the efficiency analysis and evaluation subsystem through a data bus; and the efficiency analysis and evaluation subsystem acquires combatscene scenario scenario scenario data in the combat deduction simulation subsystem through a database access interface. According to the invention, iterative evolution of full-process design and evaluation of combat plan design-deduction analogue simulation-data analysis and efficiency evaluation can be realized, and technical means support is provided for demand argumentation work of equipment development.

The invention discloses a magnetic encoder based on double synchronous rotation coordinate systems. The magnetic encoder based on the double synchronous rotation coordinate systems comprises a magneto-electricity signal generator, a signal conditioner, a signal acquisition module and a signal processing unit, wherein the signal processing unit is composed of a forward-direction Parker converter, a reverse-direction Parker converter, a forward-direction decoupling device, a reverse-direction coupling device, low-pass filters and a motion information solver, and is used for carrying out coordinate transformation, decoupling operation, filtering processing and motion information calculation on digital electrical signals input by the signal acquisition module. The signal processing unit which uses the double synchronous coordinate transformation mode carries out coordinate transformation on positive sequence components and negative sequence components of fundamental waves in magneto-electricity signals, and resolves the positive sequence components and the negative sequence components of the fundamental waves into components in a positive sequence dq coordinate system and components in a negative sequence dq coordinate system, calculation of motion information is achieved through a decoupling network and the filtering link, signal distortion components generated due to device difference, installation errors and the like can be eliminated through the decoupling devices and the low-pass filters, and thus calculation accuracy and the anti-interference capacity of the magnetic encoder are greatly improved.

The invention relates to a geo-positioning method of ground panoramic images. An omnibearing characteristic quantity that overall describes space organization and orientation relations; vector retrieval is described at grid points of a satellite imagery map to finish rough positioning; a plurality of matching lines are determined via rough positioning as control lines for use when height information is distorted; under the restraint condition that the relative height sequence is unchanged, iterative initial values are introduced through rough positioning to achieve precise resolving of exterior orientation elements. Unlike the bundle adjustment resolving of multi-frame ground images, the method herein only needs medium to high resolution satellite image data and scenic surface relative elevation information, allows precise external reference resolving of single-frame ground panoramic images to be achieved with no need for other positioning devices (such as GPS (global positioning system)) or addition of manual control points, and is very suitable for image registration of sky and earth fields having great field angle and scale differences.

The invention discloses a geological disaster monitoring system, which comprises a monitoring station point, a platform server and a user terminal. The monitoring station uploads the monitoring data to the platform server. The platform server carries out centralized calculation on the monitoring data uploaded by each monitoring station point, then carries out filtering statistics and generates theearly-warning information. Each user terminal receives the calculation data and the early-warning information uploaded by the platform server and corresponds to the monitoring station point. The invention further discloses a geological disaster monitoring method. According to the invention, the geological disaster monitoring items of various places can be managed and resolved in a unified manner.Therefore, the working efficiency of a technical service provider is improved, and the labor maintenance cost thereof is reduced. Meanwhile, the equipment cost and the labor cost of the user side arereduced. The system and the method provide more effective, more economical and more convenient geological disaster monitoring services for all parties.

The invention discloses a processing system for data after telemetering. A frame format, telemetry parameter attributes and a calibration scheme of telemetry data are configured in a system configuration module; a data quality evaluation module, a time zero point extraction module, a vibration parameter processing module, a sub-frame processing module and a special sub-frame processing module areconstructed; data, after telemetering, of a specific aircraft is extracted and resolved; and the system is characterized by being suitable for a lot of telemetering data with different types and complex telemetering frame formats of the specific aircraft.

The invention discloses a ground mobile charging robot applied to an electric automobile based on magnetic suspension internal rotor flywheel energy storage. Position change between a charging base station and a target to-be-charged vehicle is achieved through an ultrasonic sensor, a visual sensor and a roller installed on a bearing piece in the robot, and automatic charging is achieved on the electric automobile through two magnetic suspension energy storing flywheels in opposite rotation directions assembled in a base. The magnetic suspension energy storing flywheels are upper and lower structure bodies with the same installation structure which are up-down installed on a middle separation plate between an inner circular ring and an outer circular disc of flywheel bodies. The high speed rotation of the magnetic suspension energy storing flywheels depends on driving of a rotary alternating magnetic field. The alternating magnetic field is achieved based on a working principle of a direct-current motor which is of a flat-shaped hollow cup structure and used for converting electric energy into rotation kinetic energy of the magnetic suspension energy storing flywheels.

The invention relates to a high-adaptability color object three-dimensional reconstruction method which is characterized in that a camera and a projector are fixed to a three-leg support; the camera is connected with a computer through a cable; the projector 3 is connected with the computer 1 through a cable; a computer is used for generating a colorful coded structural light pattern; multi-sourcesequential layering processing is performed; then decoding processing is performed on a multi-source sequential layered pattern; through combination, a modulated single colorful coded structural light pattern is obtained; then a strip matching method is used for realizing matching of coding characteristic points; and finally a triangulation method is used for realizing three-dimensional depth information value resolving of the coding characteristic points. The high-adaptability color object three-dimensional reconstruction method realizes similarity to a realizing process of a single colorfulcoded structural light and furthermore reduces the number of coded patterns which are projected by the projector to a certain extent.

The invention belongs to the field of spacecraft attitude determination and radio interferometric measurement and relates to a spacecraft attitude determination method utilizing same-beam interferometric measurement of a ground measurement station. The method includes the steps that different satellite-borne transmitting antennae of a same spacecraft carry out same-beam interferometric measurement so that the distance differences between the different satellite-borne transmitting antennae of the same spacecraft and different ground receiving antennae can be acquired; on the basis of the distance differences, the attitude information of the spacecraft is resolved. According to the method, same-beam interferometric measurement is performed on downlink signals of the spacecraft, the accurate distance differences between the satellite-borne transmitting antennae and the ground receiving antennae are acquired, and therefore the attitude information of the spacecraft is resolved. The ground receiving antennae are utilized, and compared with an existing measurement method based on a satellite-borne device, reliability is high; besides, interferometric measurement is implemented through the ground measurement station, fault maintaining performance is good, and the risk that a whole satellite loses efficiency because of attitude measurement failure of the satellite-borne device is eliminated.

The invention relates to an autonomous navigation positioning method based on polarization pose information coupling iteration, and the method comprises the steps: firstly measuring a polarization angle through a polarization sensor, calculating a system sun vector, and converting the system sun vector into a sun vector under a geographic coordinate system; then, resolving the solar altitude angleand azimuth angle at the moment from the solar vector under the geographic coordinate system; calculating the solar declination through time, and calculating the longitude and latitude of the movingbody; updating the sun vector of the navigation system by using the position and the time, updating the sun vector and the gravity vector under the machine system by using the new measurement information, solving the three-dimensional attitude of the moving body through an attitude conversion direction cosine matrix, and updating the three-dimensional attitude of the moving body through two-step loopback iteration of position updating and attitude updating. Pose concurrent calculation with polarization as a unique external information source is realized. According to the method, polarization serves as a unique external information source, simultaneous calculation of the position and the attitude is achieved, the method can be suitable for navigation of a moving body under satellite denialand magnetic interference conditions, and the needed sensor is low in cost, small in size and easy to apply and implement.

The invention relates to a multi-robot controller based on an edge cloud service. The multi-robot controller based on the edge cloud service is applied to a multi-robot cooperative control operation scene in a distributed network environment under an edge cloud architecture. The multi-robot controller conforms to the edge cloud technology category and is equipped with a high-performance CPU+FPGA heterogeneous acceleration framework and multiple sets of physical network interfaces, so that edge cloud robot application remote deployment is supported, and multi-robot control model calculation anddistributed collaborative control are realized. In addition, in order to realize multi-robot cooperative control, virtualization technology is adopted to uniformly control hardware resources, networkresources and storage resources of the controller, a high-speed data buffer is created for multi-robot data sharing, and thus integrated high-performance multi-robot control is realized.

The invention relates to a carrier course angle calculation method based on a polarization compass. The polarization compass comprises two acceleration meters in the horizontal direction and three polarization sensors. The carrier course angle calculation method based on the polarization compass includes that firstly, using the acceleration meters in the horizontal direction to acquire the horizontal posture (pitch angle theta and roll angle gamma) of the carrier; secondly, using the geographical location information and time information of the carrier to calculate a unit sun vector St under a geographic coordinate system; thirdly, using the polarization sensors on the carrier to measure a polarization azimuth angle to calculate a unit sun vector Sm under a polarization sensor module coordinate system; finally, using the horizontal posture information and sun vector information to build the transformation relation of the unit sun vector between the geographic coordinate system and polarization sensor module coordinate system, and confirming the course information Psi of the carrier. The carrier course angle calculation method based on the polarization compass has advantages of high precision, less calculated amount, strong compatibility and the like.

Disclosed is an aircraft system analysis system and method. The aircraft system analysis system comprises a model import module, a parameter mapping module, a system coupling loop identifying module, a loop operation module and a system output module. The model import module imports domain models having the coupling relation into the aircraft system to be marked with domain A and domain B, arrays A.out [am] and B.out [bm] are valuated with response parameters of the domain A and the domain B, arrays A.in [an] and B.in [bn] are valuated with self-variable parameters, and the arrays are stored as XML formatted files. The parameter mapping module maps the parameters between the domain A and the domain B to form coupling files. The system coupling loop identifying module identifies the coupling files to form a coupling loop G0. The loop operation module processes the G0 to obtain a process G1 and operates the G1 until the G0 is balanced, the values of nodes of the balanced forward arrays are stored into AtoB [m], and the values of nodes of the reverse arrays are stored into BtoA [n]. The system output module extracts the values of the AtoB [m] and the BtoA [n], and the values are stored as the XML files of the forward nodes and the reverse nodes and outputted.

The invention discloses a method and system for sea-sky-line detection and navigation via an USV based on vision. The method comprises the following steps: extracting all the line segments in an imageby using a line segment detection algorithm, building a line segment pool, then with the morphological characteristics of a sea-sky-line as constraint conditions, filtering out non-sea-sky-line segments in the line segment pool so as to obtain candidate sea-sky-line segments; estimating optimal sea-sky-line results by using a least square method so as to obtain detection results of the candidatesea-sky-line segments; and based on the detection results of the candidate sea-sky-line segments, resolving the parameters of USV navigation on the basis of a photography model of the sea-sky-line. Thus, the method and system provided by the invention can effectively detect the sea-sky-line via the USV and accurately calculate the attitude navigation parameters of the USV.

The invention discloses a method and system for sea-sky-line detection and navigation via an USV based on vision. The method comprises the following steps: extracting all the line segments in an imageby using a line segment detection algorithm, building a line segment pool, then with the morphological characteristics of a sea-sky-line as constraint conditions, filtering out non-sea-sky-line segments in the line segment pool so as to obtain candidate sea-sky-line segments; estimating optimal sea-sky-line results by using a least square method so as to obtain detection results of the candidatesea-sky-line segments; and based on the detection results of the candidate sea-sky-line segments, resolving the parameters of USV navigation on the basis of a photography model of the sea-sky-line. Thus, the method and system provided by the invention can effectively detect the sea-sky-line via the USV and accurately calculate the attitude navigation parameters of the USV.

The invention belongs to the field of wireless positioning, and particularly discloses a mobile robot RFID positioning method based on a phase characteristic. The method comprises the following stepsof S1, when an RFID reader-and-writer moves on a mobile robot, forming an RF loop with an RFID label which is mounted on an object, measuring phase information and signal wavelength information of theRFID RF loop by the RFID reader-and-writer; S2, converting periodical non-continuous phase information to continuous non-periodical phase information, and acquiring position information of an RFID reader-and-writer antenna; and S3, constructing an unwrapping phase-position model, introducing signal wavelength information, the continuous non-periodical phase information and position information ofthe antenna into an unwrapping phase-position model, calculating the position information of the RFID label relative to a mobile robot, thereby realizing positioning of the object. The mobile robot RFID positioning method based on the phase characteristic has advantages of high positioning accuracy, high interference resistance, low calculation amount, simple system, etc.

The invention discloses a power transmission line geological disaster monitoring data processing and analyzing system and a using method. The system comprises a data processing module. A plurality ofsignal resolving units are arranged on the data processing module. The signal resolving unit is electrically connected with the monitoring terminal. The data processing module is respectively connected with the data management module and the data analysis module through cables. A database unit is arranged on the data management module. The data management module is connected with the data analysismodule through a cable. according to the invention, the problems of complex monitoring data, complex data processing, disordered data management and low data analysis utilization rate obtained in thecurrent power transmission line are solved.

The invention relates to a zero calibration device for a joint of a large-scale space manipulator, which belongs to the field of integrated assembly and testing of a space drive mechanism; a support base, a first moving module, a second moving module, a third moving module, a joint shell, and a connecting female assembly and connect the male assembly; the second mobile module is arranged in the middle of the upper surface of the support seat; the first mobile module is arranged on the upper surface of the support seat and is located on one side of the second mobile module; the third mobile module is arranged on the support seat and is located on the other side of the second mobile module; the joint shell is a hollow cuboid shell structure; the joint shell is axially and vertically suspended and fixed on the external wall hanging mechanism; the connecting female assembly is installed on the outer wall of the joint shell On the side; the connecting male component is installed at the bottom of the joint shell; the invention realizes the rapid measurement and calibration of the joint zero position of the large-scale space manipulator, and improves the calibration efficiency and calibration accuracy of the joint zero position.

The invention relates to a heliostat secondary reflection pointing correction system and method, at least including a target, an image acquisition system and a host computer, the target is installed in the center of the focal plane of the heat absorber, and the target irradiation range covers the secondary reflector The image acquisition system is fixed on the mirror surface of the heliostat, the field of view direction is in the same direction as the reflection surface of the heliostat, the optical axis vector of the image acquisition system is parallel to the mirror normal vector of the heliostat, and the host computer Connect all the heliostats with the image acquisition system to obtain the data of the image acquisition system and control the rotation of the heliostats. The invention uses the image acquisition system installed on the mirror surface of the heliostat to shoot the target (high-brightness light source or marker) at the focal plane of the heat absorber to correct the secondary reflection and pointing of the heliostat, which can satisfy all existing conditions in the entire mirror field. The heliostats installed with the image acquisition system are corrected at the same time.

The invention discloses a waveguide grating evanescent field disturbance detection-based micromechanical gyroscope micromechanical gyroscope. According to the gyroscope, a driving electrode and a monitoring electrode are distributed on two sides of a mass block; one end of the driving electrode is fixedly connected with the mass block, and the other end of the driving electrode is fixed onto a silicon dioxide substrate; one end of the monitoring electrode is fixedly connected with the mass block, and the other end of the monitoring electrode is fixed onto the substrate; by means of an electricfield, the driving electrode drives the mass block to vibrate in a horizontal direction; the monitoring electrode detects the vibration amplitude of the mass block; a disturbance beam and the drivingelectrode are located on the same side of the mass block; the disturbance beam is fixedly connected with the center of the side edge of the mass block; the laser emergent direction of a laser is directly opposite to one end of an optical waveguide; the other end of the optical waveguide is directly opposite to a detector; a waveguide grating cavity is arranged on the optical waveguide; the waveguide grating cavity is located below the disturbance beam; and the disturbance beam is located in the evanescent field of the waveguide grating cavity. According to the micromechanical gyroscope of theinvention, a mechanical structure and an optical structure can be separate, so that the independent optimization of mechanical performance and optical performance can be supported.

The invention discloses a control method of a four-axis unmanned aerial vehicle. The method includes the following steps that: S1, the attitude data of an attitude sensor in the four-axis unmanned aerial vehicle are acquired, and filtering and fusion are carried out on the attitude data, so that current attitude information can be obtained, wherein the attitude data include a current attitude angle and an angular velocity corresponding to the attitude angle; and S2, the four-axis unmanned aerial vehicle is controlled through a cascade double-loop PID control method, a deviation value between the current attitude information and target attitude information is adopted as the input quantity of an angle PID controller, the difference value of the current angular velocity and the output quantity of the angle PID controller is inputted into an angular velocity PID controller, and the output of the angular velocity PID controller is used for controlling a motor until the four-axis unmanned aerial vehicle achieves a target attitude. With the control method of the invention adopted, more accurate measurement data can be obtained, the accuracy of attitude data can be improved; the cascade double-loop PID control is adopted, so that the anti-interference performance of a system is enhanced; and therefore, the four-axis unmanned aerial vehicle has higher adaptability.

The invention discloses circuit design for pipe network water pressure monitoring. The circuit design comprises a pressure acquisition board, a 4G data transmission module, a serial port to WiFi module, a needle base and the like, and is characterized in that a combined structure that different modules are selectively installed through the needle base is adopted, and part or all functions can be flexibly configured or selected for use. The overall design is simple, use under different conditions is flexible and convenient, and the defects in the prior art are overcome.

The invention discloses a hole panoramic image pair three-dimensional imaging method, which comprises a basic principle, a method, an optimized design and algorithm realization. According to the basic principle of the three-dimensional imaging, an imaging method for a 360-DEG drilling hole wall panoramic image-paired image containing the location information of an imaging device is provided by utilizing the technological combination of an optical converter of a twin-conical-surface lens, the imaging device and the space location; a calculation formula of a panoramic image-paired image is derived by theoretically analyzing the hole panoramic image pair imaging principle, the optimized analysis is carried out for the parameters of relevant technology and the layout design, and the corresponding software algorithm is established; and by analyzing a key point and difficulties for realizing the algorithm, the corresponding implementation scheme and flow block diagram are compiled. By adopting the hole panoramic image pair three-dimensional imaging method, the difficult problem of panoramic and three-dimensional detection inside the hole can be solved, a scientific method is provided for the precise detection inside the hole, the breakthrough and substantive progress of the drilling photograph technology can be realized, and the remarkable scientific significance and economical practicability can be realized.