9626results about How to "Achieve positioning" patented technology

The invention discloses a dynamic target tracking and positioning method of an unmanned plane based on vision, and belongs to the navigation field of the unmanned planes. The dynamic target tracking and positioning method comprises the following steps of: carrying out video processing, dynamic target detecting and image tracking; carrying out cloud deck servo control; establishing a corresponding relationship between a target in the image and a target in the real environment, and further measuring the distance between a camera and a dynamic target to complete precise positioning of the dynamic target; and enabling an unmanned plane control system to fly by automatically tracking the dynamic target on the ground. The dynamic target tracking and positioning method of the unmanned plane based on the vision can automatically realize the movement target detecting, image tracking and optical axis automatic deflecting without the full participation of the people, so that the dynamic target is always displayed at the center of an image-forming plane; and the distance between the unmanned plane and the dynamic target is measured in real time according to an established model on the basis of obtaining the height information of the unmanned plane. Therefore, the positioning of the dynamic target is realized; closed-loop control is formed by using the positioned dynamic target as a feedback signal, so that the tracking flight of the unmanned plane is guided.

The invention provides a positioning method and device, and relates to the field of positioning. The method includes the steps that a group of transmission parameters of a wireless energy transmission device are acquired; according to the set of transmission parameters, N sets of reference transmission parameters are determined in multiple sets of reference transmission parameters, wherein N is a positive integer; according to the N sets of reference transmission parameters, one receiving position of a wireless energy receiving device corresponding to the wireless energy transmission device is determined. By means of the positioning method and device, the wireless energy receiving device is positioned through the corresponding relation between the receiving position of the wireless energy receiving device and the transmission parameters of the wireless energy transmission device.

The invention discloses a system and method for processing an unmanned aerial vehicle polling image. The system comprises an unmanned aerial vehicle polling image processing system body which comprises a human-computer interaction module. After the human-computer interaction module obtains a user instruction, a main control panel analyzes the user instruction and transmits the analyzed instruction to a data receiving and transmitting controller, the data receiving and transmitting controller sends a parameter configuration instruction to corresponding peripheral equipment according to the instruction and transmits an instruction execution result back to the main control panel, and the main control panel processes the execution result of the parameter configuration instruction and then sends processed information to the human-computer interaction module so that the information can be displayed to a user. The main control panel is respectively communicated with a secondary controller, a power supply module, a wireless communication module, a data storage module, a locating module, a distance measuring meter and a height gauge. The system and the method improve the automation degree and the informationization degree of polling image processing, improve the efficiency of searching for and processing the polling result, and lower the cost of processing the polling result.

The invention provides a layered exchange and control method for real-time monitoring system data by power dispatching. A CIM / XML (common information module) / (extensible markup language) interface, a CIM / E interface and other models of the electric power subsystems are processed and combined to establish a device model of the large power grid, therefore, perfect interaction of various application data including SCADA (supervisory control and data acquisition) real-time data, WAMS (wide area measurement system) data, EMS (enhanced message service) advanced application data and dynamic security analysis warning information can be realized, and power system control commands among the systems can be smoothly transmitted and executed. A data acquisition and exchange function can support multiple communication protocols, multi-application, multi-type and large amounts of data, satisfy the real-time requirements of all transmission environments, and provide comprehensive multi-scale real-time operation information of the power grid for other application analysis systems. A close integration mode is used to realize application integration and each subsystem and application can be monitored and managed, so a uniform access interface and a man-machine interface can be ensured to provide for each application system.

The invention relates to a device and method for composition based on a small quad-rotor unmanned aerial vehicle and belongs to the technical field of mobile robot positioning and navigation. The small quad-rotor unmanned aerial vehicle can rapidly enter a complex environment which a mobile robot cannot enter, carried laser radar is utilized to construct a two-dimensional map in real time according to an SLAM method, self localization and navigation of the unmanned aerial vehicle can be achieved by combining an IMU device and the like, and efficient exploration of a true complex area is achieved; the height of the small quad-rotor unmanned aerial vehicle can be conveniently adjusted to obtain two-dimensional maps on horizontal planes of different heights; the small quad-rotor unmanned aerial vehicle is rapid in movement speed and more flexible, movement and mapping of the small quad-rotor unmanned aerial vehicle are not subject to disturbance of obstacles on the ground, the range limitation of a detecting robot is broken through, the small quad-rotor unmanned aerial vehicle is extremely high in practical value, and accurate and rapid map construction can be achieved; compared with robot environment composition, the rotor wing robot can perform environment scouting more rapidly and more flexibly, and three-dimensional spatial images can be obtained.

The invention relates to the technical field of information, and specifically relates to a method and device for system information monitoring. The method includes the steps: monitoring at least one system in real time; determining the system identifier of a system for executing the preset data processing mode, and the data identifier of the data related with the executed preset data processing mode; recording the processing identifier corresponding to the executed data processing mode, and the determined system identifier and data identifier in a log, and according to the executed data processing mode, placing the determined system identifier and data identifier in the information expressing the data processing flow; and comparing the log with the preset business flow information, and determining the position where a fault occurs according to the information of the data processing flow after determining occurrence of the fault according to the comparative result. The method for system information monitoring increases the information for expressing the data processing flow; and if the interface data has problems, global fault positioning and information tracking and source tracing for multi systems can be realized according to the information of the processing flow.

The invention discloses an unmanned aerial vehicle integrated defense system and a method. The unmanned aerial vehicle integrated defense system comprises a reconnaissance equipment unit, an interference equipment unit and a control unit, and is characterized in that the reconnaissance equipment unit integrates a radar reconnaissance technology, a photoelectric reconnaissance technology and a radio reconnaissance technology to carry out monitoring on a designated area so as to recognize an unmanned aerial vehicle and acquire movement and position information and instruction and image transmission information of the unmanned aerial vehicle and azimuth information of a manipulator of the unmanned aerial vehicle; and the control unit realizes interference for instruction signals, navigation signals and image transmission signals of the unmanned aerial vehicle through the interference equipment unit according to the acquired information. The unmanned aerial vehicle integrated defense system increases electronic reconnaissance on the basis of integrating the radar, photoelectric / infrared reconnaissance and electronic interference technologies so as to carry out reconnaissance analysis on wireless signals of the unmanned aerial vehicle, is applied to guidance interference, and improves the interference effectiveness and the efficiency; and meanwhile, the unmanned aerial vehicle integrated defense system can carry out remote positioning on the manipulator of the unmanned aerial vehicle, provides capture guidance for a law-enforcing department while realizing unmanned aerial vehicle defense, and improves the crime committing cost of unmanned aerial vehicle crime committing.

The invention discloses an omni-directional automatic forklift and a 3D stereoscopic vision navigating and positioning method. The 3D stereoscopic vision navigating and positioning method comprises the following steps: acquiring information of a 3D coordinate in the working environment of the automatic forklift; generating a 3D map; acquiring real-time images and positioning an initial position according to the 3D map; determining a target position; navigating to the target position and judging whether encountering barriers; scanning and identifying two-dimensional codes on a goods shelf; judging whether the automatic forklift is over against the goods and is aligned with the goods; enabling the automatic forklift to insert into a goods shelf tray and completing taking the goods and putting the goods. The omni-directional automatic forklift and the 3D stereoscopic vision navigating and positioning method have the benefits that the 3D map of the working environment is built by a plurality of binocular stereo cameras, the automatic forklift is capable of effectively and accurately positioning, taking the goods and putting the goods with combination of a speedometer, a laser radar and a front camera, three-freedom-degree omni-directional movement on the plane is implemented by Mecanum wheels, the automatic forklift is capable of taking the goods and putting the goods on the same goods shelf without steering, any barriers in the working environment can be effectively avoided in tine by the laser radar and an infrared sensor, and the automatic forklift can be automatically charged by communication between an upper computer and a charging box.

The invention relates to an RFID ITO (Internet of Things) parking lot management system. The system comprises a centralized control terminal, a parking lot exit / entrance charge management subsystem, a parking lot parking space guiding subsystem, a parking lot reverse vehicle lookup subsystem and a mobile phone application terminal, wherein the centralized control terminal is connected with the parking lot exit / entrance charge management subsystem, the parking lot parking space guiding subsystem, the parking lot reverse vehicle lookup subsystem and the mobile phone application terminal respectively. Compared with the prior art, the system provided by the invention has the advantages as follows: RFID and mobile phones are combined to serve as certificates for users to get in and out of a parking lot; one-on-one full service, including reservation, guiding and reverse lookup, is provided for the users; meanwhile, the system can automatically settle the parking fees of car owners, and the car owners can use mobile phones or RFID together to settle the parking fee.

The invention discloses a big data based wireless real-time position positioning method. The big data based wireless real-time position positioning method comprises the following steps of gridding a positioned detection area, enabling a plurality of wireless routers which are arranged inside the detection area to transmit wireless signals, enabling a wireless signal receiver to collect wireless signal information of the wireless routers for a plurality of times in every grid of the area after gridding and forming collected wireless signal information into a big database wireless signal fingerprint database; performing signal preprocessing; performing parameter training; training DNN(Deep Neural Networks); performing signal character extraction and character classification based on the trained DNN; performing position estimation based on a HMM (Hidden Markov Model). The big data based wireless real-time position positioning method has the advantages of improving the accuracy of a positioning result under the condition that the real-time positioning speed is not influenced, successfully integrating positioning problems into the big data background and improving the performance of the real-time positioning system by effectively using advantages of the big data.

The invention discloses a coal mine underground integrated monitoring and controlling system which mainly comprises a sensing and detection device, a security information network and communication device, a security information management device, a security early warning and decision support device and a rescue information assurance device. The system can perfectly solve the problems of existing coal monitoring and controlling systems, prevent the occurrence of coal mine underground signal loss effectively and improve the level of coal mine security monitoring greatly.

The invention discloses a security risk assessment method and apparatus. The method comprises determining a vulnerability index of a network element based on an evaluation index of the network element of an electric power communication main trunk circuit, wherein the vulnerability index is used for indicating the probability that the network element is affected by a threat event; determining an importance index of the network element based on the importance of one or more services borne by the network element and the number of one or more services respectively borne by the network element; and determining a security risk index of the network element based on the vulnerability index and importance index of the network element. According to the invention, the problem in the prior art that an electric power communication main trunk circuit system-based integral evaluation mode has difficulty in effectively locating the network element which is easy to have security risks is solved, so that the security risk assessment of the network element in the electric power communication main trunk circuit is realized and the effective locating of the network element which is easy to have security risks is facilitated.

The invention relates to a transformer substation field operation management and control system and method based on three-dimensional dynamic modeling. The method comprises the following steps: performing three-dimensional dynamic modeling on a transformer substation; accurate positioning; based on the three-dimensional digital model, carrying out intelligent management and control on an operation site through intelligent identification and early warning; based on a three-dimensional digital model, performing live-action rehearsal and equipment simulation training on typical production operation and safety accidents through a virtual reality system. According to the invention, visual data support is provided for field operation work and personnel training work; real-time positioning and track checking of personnel and equipment are realized, and visual technical support is provided for remote intelligent management and control; an intelligent management and control means is provided for field operation safety, dynamic simulation of an operation task plan, typical operation, dynamic rehearsal of safety accidents and disassembly and reassembly analogue simulation of typical equipment are achieved, a visual simulation scheme is provided for field operation, operation risks are reduced, immersive training experience is provided, and training efficiency is improved.

The invention discloses an insulator identification method for an unmanned aerial vehicle polling an electric transmission line. The method comprises the steps: image collecting and processing: extracting sub-images for training from insulator images of the electric transmission line and initially processing the sub-images to form a training data set; packaging the extracted sub-images for training and adding labels corresponding to the sub-images; training the data by virtue of a convolutional neural network (CNN) algorithm in deep learning to obtain a detection model for insulators; insulator target region detection: detecting an electric transmission line image to obtain a candidate frame of the insulator target; carrying out non-maxima suppression on the candidate frame to obtain a final insulator candidate frame; and carrying out straight line fitting operation on the obtained final insulator candidate frame to obtain a central point and the angle and size information of the candidate frame and finally labeling on the insulator images of the electric transmission line. According to the method disclosed by the invention, images obtained by polling are screened, so that the burden of manual screening is alleviated and the method has a broad application prospect.

The invention discloses an arterial intervention implant implanting system capable of fusing real-time ultrasonic information based on magnetic navigation. The system comprises a preoperative image introducing module, a preoperative image three-dimensional reconstructing module, a preoperative registering module, a navigator tracking module, a heart ultrasonic image fusing module, an interventioninstrument processing module and a localizing module. A magnetic field generated by the system is a cuboid of which the side length is 50 centimeters, information fed back by eight electromagnetic sensors can be received simultaneously, preoperative CT (Computerized Tomography) image information of a patient is utilized comprehensively, three-dimensional anatomical structure reconstruction is performed by using a computer, a real patient space is matched with a patient image space by performing preoperative registering, a virtual realistic environment is formed by fusing a real-time ultrasonic image, and a surgical instrument is tracked in real time by using an electromagnetic navigator, so that accurate three-dimensional positioning and localizing of a cardiovascular intervention implantand the surgical instrument are realized, and an arterial intervention implant can be implanted into a specific target position under the action of accuracy navigation.

A manufacturing method of an LED array device uses LED devices with a vertical structure and a mother board, wherein the LED device is provided with a first magnetic part composed of soft magnetic metal; the mother board is provided with a second magnetic part composed of a hard magnetic material, and a base layer without magnetic insulation is arranged on a first plate surface; a driving circuitlayer including a plurality of welding pads arranged on the base layer, and the welding pads are corresponding to the second magnetic part; the LED devices are distributed on the driving circuit layer, the first magnetic part of the LED device is subjected to the acting force of the magnetic field of the welding pad on the second magnetic part, so that the LED device is arranged on the welding padin a positioning way; so that the LED device and the welding pad are bonded with each other; the base layer and the mother board are separated from each other to obtain an LED array device. This approach can quickly and efficiently transfer large amounts of LED devices to the driving circuit layer.

The invention provides a positioning method and system based on a safe driving map and binocular recognition of traffic signs. Primary positioning of a running vehicle is carried out via the positioning system by means of a high-precision map. Meanwhile, images of the part in front of the vehicle are acquired, and traffic signs in the images are detected and identified. Coordinates of the traffic signs are recognized and obtained in the high-precision map, the distance between the vehicle and the signs are measured, and the position of the vehicle is calculated by comparing the coordinates of the traffic signs. In this way, the vehicle is positioned. By means of the invention, on the basis of traditional navigation data, acquisition of road traffic signs is added, roads signs are adopted to help positioning vehicles, the distance between vehicles and traffic signs is measured according to coordinates and sizes of signs which are recognized by left and right cameras, and vehicle positions are calculated according to spatial coordinates of traffic signs which are already stored in the high-precision map, so that submeter-level coordinate positioning is provided and a lane-based topology network is established.

The invention provides a method for tracing the position and pose of a 3D human face in a video sequence. In the method, based on the principal component analysis, by using a deformable 3D grid model, minimizing the distance between a key point on the grid model and a corresponding key point on an input image, the model can fit the head figure of a user; the human face texture can be obtained by using the 3D model at an initial phase, so as to render human face images under different poses; the feature points can be selected in the rendered images, and a corresponding position can be searched on the input image; the matching faults can be removed by using a random sampling mode; then, mode pose changed parameters can be estimated according to the corresponding relationship between the feature points, so as to update a hypothetical state; finally, a distance between the rendered image and an actual image can be calculated by using the average normalized correlation algorithm, so as to calculate a hypothetical weight. Experiments show that the method can effectively trace the pose of the 3D head in the video.

The invention discloses a kind of underwater GPS allocation and navigation system and method without high stable frequency scale. The system is made up of GPS satellite constellation, four or more GPS floating marks, underwater navigation transceiver, data control centre, sea level wireless communication loop and hydroacoustics communication loop. The method is: when the object underwater needed to be located, the underwater navigation transceiver sends out hydroacoustics localization signal to the GPS floating mark, the floating mark transmits the hydroacoustics localization signal, the GPS signal and the posture calibration data wirelessly to the data control centre, and the data are processed with the difference signal, works out the position and time sending out the localization signal of the underwater object, the position and time data are transmitted to the underwater navigation transceiver by the hydroacoustics communication system, it can carry on navigation or time service. The invention can be applied to underwater object tracing, underwater localization and navigation, underwater precise timer service, measuring project control and project structure sample, it needs no high stable frequency scale.

The invention provides a power supply device and a vehicle including the same, the condition of moisture condensation at the surface of a battery unit can be prevented, and thermal coupling of the battery unit and a cooling plate (61) can also be maintained. The power supply device includes a battery assembly (5), a box-shaped cover case (16), a cooling plate (61), and a waterproof sheet (19). The battery assembly (5) includes rectangular battery cells (1) arranged side by side. Exterior surfaces of the battery assembly (5) are covered with surfaces of the cover case (16) other than the local of one surface. The cooling plate (61) is thermally coupled to one surface of the battery assembly (5). Coolant flows through the cooling plate (61) whereby transferring heat from the battery assembly (5) to the coolant. The waterproof sheet (19) covers the one surface of the battery assembly (5). Gaps between the battery assembly (5) and the cover case (16) are filled with a sealing material so that a sealing layer (18) is interposed between them. The waterproof sheet (19) is fastened by the sealing layer (18).

The invention provides a radio frequency fingerprint positioning method and system as well as an access controller (AC) and a positioning server. The method comprises the following steps: the positioning server sends a first positioning indication message which contains an identifier of the appointed equipment to an access point (AP) through the AC, so the AP can collect the received signal strength indication (RSSI) of the appointed equipment; the AC receives the RSSI of the appointed equipment fed back from the AP, filters the RSSI of the appointed equipment according to a preset dimensional threshold value and an RSSI threshold value to generate a fingerprint feature vector at least containing the preset dimensional threshold value number of the RSSI, and sends the fingerprint feature vector to the positioning server; and the positioning server positions the appointed equipment according to the fingerprint feature vector and a preserved standard fingerprint feature vector containing at least the preset dimensional threshold value number of the RSSI and position coordinates. By utilizing the technical scheme of the invention, the complexity of positioning by using a radio frequency fingerprint technique can be decreased, and the positioning precision can be increased.

The invention discloses a global localization guiding system and a method based on multiple sensors. The system comprises an automatic guided vehicle (AGV) body, an embedded type controller, an acceleration sensor, a visual sensor, a light source and a guiding belt, wherein the guiding belt comprises a guiding line and a two-dimension code icon, and the acceleration sensor is used for measuring the acceleration value of the AGV body. The visual sensor is used for obtaining the image information contained in the ground guiding belt, and thus an automatic guiding function is achieved. The relative position of the AGV body is obtained by the embedded type controller according to the calculation of the acceleration value, and a global locating function of the AGV body is achieved through the global position information defined in the two-dimension code icon and identified by the visual sensor. The ground guiding belt is adopted so that AGV functions of automatic guiding and global locating are achieved through the method of combination of the acceleration sensor and the visual sensor, and therefore foundation for achieving multiple intelligent control of the AGV is offered, and global localization guiding system and the method are good in application prospect.

The invention relates to a noninvasive radiotherapy system for a robot, and belongs to the medical equipment field. The noninvasive radiotherapy system for the robot consists of seven modules, i.e. a radiotherapy planning system, a three-dimensional numerical-control therapy bed, an automatic tracking system for a four-dimensional real-time image, a robot system, a radioactive source, an adjuvant therapy system and an integrated control system, wherein the automatic tracking system for the four-dimensional real-time image consists of a six-freedom-of-degree G-shaped arm real-time image system and an intelligent tracking system; the six-freedom-of-degree G-shaped arm real-time image system is formed by successively connecting a G-shaped arm, a G-shaped arm sliding rail, a G-shaped arm spindle, a G-shaped arm pitch shaft and a G-shaped arm sliding seat; an X ray source and an X ray dynamic flat panel detector are formed into one group, and two groups are correspondingly installed on the G-shaped arm; and the G-shaped arm sliding seat is installed in a rail (9). According to the noninvasive radiotherapy system for the robot, which is disclosed by the invention, the defects of unmatched projection time, time waste and low therapy precision in the prior art are overcome, the precise therapy of the whole body tumor can be carried out, and the cardiovascular disease therapy and the noninvasive regulation of the renal nerve disease can be carried out.

The invention provides a pinpoint enhanced dark-field microscope, an electrochemical testing device and a leveling system. The pinpoint enhanced dark-field microscope is characterized by using an optical fiber probe, wherein metal nanometer particles for decoration are arranged at the pinpoint of the optical fiber probe, incident lights are transmitted inside the optical fiber probe which is provided with the metal nanometer particles for decoration, and the distance between the pinpoint and a sample adopts a light intensity control mode; and the pinpoint enhanced dark-field microscope is a localized surface plasmon resonance dark-field coupling device which utilizes the near-field coupling function of the nanometer metal particles at the pinpoint of the probe and a metal substrate material. The microscope can be used for researching basic surface and interface chemical problems such as a double-electric-layer structure of a substrate surface, adsorption / desorption behaviors and multi-phase catalysis. In addition, based on the LSPR (Localized Surface Plasmon Resonance) distance sensitiveness principle, the pinpoint enhanced dark-field microscope can be applied to a three-probe horizontal sensor to perform self-adaptive leveling on a nanometer processing platform.

The invention discloses a multi-functional intelligent well cover system. The multi-functional intelligent well cover system is characterized by comprising a well cover, an intelligent integration device for performing intelligent processing on the well cover, an information acquisition device for obtaining relevant information of the well cover, and an auxiliary service device for providing application service to the intelligent integration device and the information acquisition device. The multi-functional intelligent well cover system can perform positioning, unique identification, alarm and monitoring on the well cover.

The invention provides a meal delivering robot comprising a main body moving along a guide rail, wherein the main body comprises a head component, a body component and robot arms, wherein the robot arms support a dinner plate horizontally; a controller, as well as a power device, a driving device, a walking device, a wireless signal transmission device and a voice device connected with the controller is arranged in the main body; the guide rail is a magnetic guide rail; and a tracking positioning device and an obstacle avoiding device are arranged on the main body. The meal delivering robot has a simple structure, dispenses with complicated image operation, saves electric energy, and can work for a longer time.

The invention relates to a precise single point positioning method of a single-frequency GPS receiver, which comprises GPS data reading and pretreating steps, error correcting and resolving steps and a result output step, wherein the pretreating step comprises the cycle slip exploration and restoration which comprises the following steps: (1) m non-cycle-slip carrier phase observed values Phi are substituted into a formula and the polynomial fitting is then carried out; (2) a calculated polynomial coefficient is used for extrapolating a carrier phase observed value Phi of the next epoch which is then compared with the actual observed value Phi; (3) the carrier phase observed values of the first epoch and the i-1 epoch are utilized to obtain the variance ratio of the carrier phase observed values. The invention comprehensively utilizes the polynomial fitting method and the carrier phase variance ratio method to explore the cycle slip, combines the gross error correction to realize the precise single point positioning of a single-frequency GPS receiver, thereby effectively realizing the high-precision positioning and navigation of a GPS system.

The invention discloses a locating method in a mobile communication system and a mobile terminal and a locating server thereof, relating to mobile communication technology. The embodiment of the invention realizes the locating of the mobile terminal in the mobile communication system by a group of practical signal parameter information obtained in locating, a base station mark corresponding to each practical signal parameter information, each group of stored signal parameter statistic values obtained according to practical measurement in different subareas in advance and a base station mark corresponding to each signal parameter statistic value with the method that the mobile terminal is matched and positioned in a subarea corresponding to a group of measured practical signal parameter information and a group of signal parameter statistic values matched with the base station mark; in addition, the invention reduces calculation amount for locating and improves locating precision of the mobile terminal in the mobile communication system.

The invention discloses a robot for conducting the groundwire polling of the high-tension transmission line, which is composed of an on-wire creeper part and an off-wire image receiving control part. The on-wire creeper part comprises a dual-wheel and double-arm suspension tackle, on-wire traveling vehicle body synchronously driven by single motor, a left and a right cameras mounted on the vehicle body, two image transmitters, wireless duplex communication control circuit, remote-control transceiver and battery. The off-wire image receiving control part is formed by a two-way image receiver, a two-way image grabbing card, an industrial-controlled machine, and a remote-control transceiver. The on-wire creeper part is suspended on the groundwire of the high-tension transmission line to conduct real-time shooting through the two-way cameras equipped on it, and then send the image shot to the off-wire image receiving control part through the wireless image transmitters; the off-wire image receiving control part receives the image signal, send the signal into the computer to conduct the image display and process, send command signals to the on-wire creeper part over the air so as to control the operation of the on-wire creeper part.