211 results about "Gps receiver" patented technology

A COLLABORATIVELY POSITIONED ULTRA-WIDEBAND COMMUNICATION DRONE SWARM AND ASSOCIATED POSITIONING METHOD. A drone swarm (100) comprising a plurality of drones (10), including aerial drones, capable of coordinated flight, in which each drone (10) includes an inertial measurement unit (IMU) (31) for estimating the drone's attitude, an ultra-wideband communication module (32) (UWB) configured to measure a relative position when communicating with another UWB, and a central computer (33) configured to perform fusion of the data from the IMU and the UWB. No drone (10) uses a satellite geolocation module, such as a GPS receiver; and each drone (10) is configured to communicate, via its UWB, with one or more neighboring drones (10) to ensure its relative positioning within the swarm. Figure for the summary: Figure 2

The invention discloses an LEO on-orbit real-time precision orbit and clock error determination method and system based on PPP-B2b enhancement, and belongs to the technical field of low-orbit satellite high-precision autonomous orbit determination and clock error estimation. According to the method, enhanced information broadcasted by Beidou No.3 B2b signals is used for correcting a BDS-3 / GPS satellite orbit and clock correction, under the support of the regional BDS-3 / GPS enhanced information, when a new BDS-3 / GPS tracking satellite exists, before measurement updating, the inter-epoch clock correction variable quantity obtained through calculation by using a carrier phase time difference method is used as two orbit determination filtering clock correction parameters for constraint, so that the measurement accuracy is improved. In-orbit real-time separation of receiver clock error and non-difference floating point ambiguity parameters is carried out; and finally, substituting an LEO precision orbit output by orbit determination filtering and a non-difference floating point ambiguity parameter into a phase observation equation to calculate the precision clock error of the BDS-3 / GPS receiver. The method is suitable for the situation that only regional GNSS enhancement information support exists, and the influence of orbital maneuver is small.

The invention discloses an autonomous navigation positioning system and method for an autonomous vehicle, and belongs to the technical field of automatic driving, and the method specifically comprises the steps: receiving a satellite signal through a GPS receiver, preliminarily determining the position of the vehicle, starting a vehicle sensor to carry out real-time measurement, and preprocessing a result; the preprocessed measurement result is converted into position information in a global coordinate system, and the position and attitude of the vehicle are calculated in combination with a sensor fusion algorithm; generating point cloud data by using a laser radar, matching the point cloud data with a high-precision map to determine the accurate position of a vehicle, and identifying obstacle and road features; a vehicle-mounted camera captures an environment image, extracts visual feature information and fuses the visual feature information with environment perception information; on the basis of fusion information and distance information, the obstacle and road conditions are sensed in real time, the optimal driving route is determined by adopting a path planning algorithm, visual navigation and automatic obstacle avoidance are realized, and the safety and reliability of automatic driving are improved.

The invention discloses a backfill soil foundation compactness nondestructive testing method based on an intelligent sensor. The backfill soil foundation compactness nondestructive testing method comprises the following steps of S1, the intelligent sensor, S2, a GPS positioning system, S3, a wireless transmission network and S4, an information monitoring and collecting system. An on-site road roller is modified, an RTK-GPS receiver, a wireless communication antenna and an acceleration sensor are installed, accurate measurement of the position and the running speed of the rolling machine can be achieved through an automatic rolling system based on RTK-GPS and closed-loop feedback control, the acceleration sensor is fixed to a vibrating wheel, vertical acceleration signals of the vibrating wheel are collected in real time, and the vibration speed of the vibrating wheel is measured. A CMV value and a field compaction degree evaluation result are analyzed in real time through a background development system, then a correlation relation is established between a compaction degree value and the CMV value which are measured by using a standard compaction degree inspection method in a test section, and real-time compaction degree monitoring control can be carried out.

The invention belongs to the crossing field of computer vision and three-dimensional reconstruction, and particularly relates to a large-scale three-dimensional scene registration method. A 3D Gaussian sputtering large-scale scene registration method fusing GPS prior information comprises the steps that S1, an unmanned aerial vehicle carrying a GPS receiver is used for conducting data collection on a registration area, GPS / image information collected by the unmanned aerial vehicle is obtained, and sparse point clouds are produced through feature extraction and matching and camera pose estimation by means of spatial position prior information provided by a GPS; initially reconstructing the SFM model; step S2, model alignment: adopting ENU coordinate system conversion and ENU homogeneous transformation matrix calculation to establish initial reconstruction SFM model alignment so as to reduce a registration search space; s3, efficiently reconstructing a dense point cloud model in combination with a 3DGS technology; and S4, finally, high-precision alignment is realized through two-stage optimization of GPS coarse registration and fine registration. According to the method, the problems of low calculation efficiency, low convergence speed, limited precision and the like in large-scale three-dimensional scene registration are solved.

A secure digital management tool for managing real estate ownership and leases, consisting of: a tamper-proof enclosure containing a secure processing module; a biometric authentication module comprising a fingerprint sensor and an iris scanner, which are operationally coupled with a secure biometric engine to verify a user's physical identity; a document integrity module configured to generate a cryptographic hash of a digital document representing a certificate of ownership or a lease agreement; a smart contract engine configured to compile and execute the logic for legal transactions related to ownership in a Turing-complete virtual machine environment, the logic defining obligations, rights, payment schedules or renewal triggers encoded in the lease or ownership contract; a blockchain interface processing unit operationally connected to the document integrity module and the smart contract engine, wherein the blockchain interface processing unit is configured to anchor cryptographic hashes of the documents and the execution status of smart contracts in a decentralized ledger network; a secure element embedded in the secure processing module and configured to store cryptographic private keys and perform isolated signature and encryption operations without exposing confidential key material to general storage space; a communication subsystem that includes at least one of the following elements: a GSM / 4G module, a Wi-Fi 6 module and a GPS receiver, configured for secure network connectivity and geolocation binding of transactions; a touchscreen interface configured for displaying transaction forms, digital agreements, and interactive contract signing interfaces, the interface also including pen input for capturing digital handwritten signatures; and a secure audit trail subsystem configured to maintain a chronologically ordered, append-only log of all biometric access events, document hash generations, blockchain anchoring events, and smart contract lifecycle transitions, with the audit trail regularly hashed and anchored for forensic integrity in a decentralized blockchain network.

The invention relates to the technical field of bridge deformation monitoring, in particular to an online monitoring method, system and equipment for bridge structure deformation, and the method comprises the steps: analyzing the similarity degree of a spectrogram between each transverse component and a reference component thereof, and determining the transverse feature value of each transverse component in each GPS receiver, so as to obtain a reconstructed transverse displacement signal; determining a vertical characteristic value of each vertical component in each GPS receiver by analyzing a correlation time fitting result of all the vertical components and combining the cross correlation coefficient so as to obtain a reconstructed vertical displacement signal; and respectively analyzing extreme value distribution of the reconstructed transverse displacement signal, the longitudinal displacement signal and the reconstructed vertical displacement signal, and determining a deformation monitoring result of the bridge floor of the to-be-detected bridge. The interference of external wind power and traffic load on bridge structure deformation monitoring is solved, and the accuracy of bridge structure deformation monitoring is improved.

A work machine includes a frame, a front axle coupled to the frame with front wheels, a rear axle coupled to the frame with rear wheels, and a work vehicle GPS receiver coupled with the frame. An agricultural implement is coupled via a connection mechanism to the frame. An implement GPS receiver mounted on the agricultural implement. A controller is coupled to each of the frame, the work vehicle GPS receiver, and the implement GPS receiver. The controller receives the work vehicle GPS data from the work vehicle GPS receiver and the implement GPS receiver data from the implement GPS receiver. The controller determines an implement profile of the agricultural implement and a shifted implement profile that corresponds to lateral and longitudinal distances of the implement GPS receiver relative to the connection mechanism.

An agricultural steering and navigation system comprising a tactile steering system comprising at least one crop sensor configured to command steering of an agricultural vehicle based upon the location of stalks, a GPS guidance system comprising at least one GPS receiver configured to command steering of the agricultural vehicle along guidance paths, and a processor configured for selectively using either the tactile steering system and the GPS guidance system based on one or more triggers.

A vehicle includes: a set of cameras mounted to the vehicle and configured to generate video data showing an interior and exterior of the vehicle; a set of sensor devices including at least one of an accelerometer, a GPS receiver, or a magnetometer, the set of sensor devices generating sensor data representing characteristics of the movement of the vehicle; a vehicle monitoring apparatus configured to perform operations comprising: obtaining the video data; determining, based on a portion of the video data, that a particular type of vehicle event is occurring; identifying a type of sensor data to be collected for the particular type of vehicle event; selecting a portion of the sensor data that corresponds to the identified type of sensor data; and generating event information that includes: data indicating the particular type of vehicle event; the portion of the video data; and the selected portion of the sensor data.

To provide an information service device that can serve guidance to the effect that a rest should be taken at an appropriate timing.SOLUTION: A terminal device 100 comprises an output unit 11, a GPS receiver 16, and a control unit 17. The control unit 17 acquires information on a current position of a vehicle Ve from the GPS receiver 16. The control unit 17 also outputs resting information for persuading a driver to take a rest to the output unit 11 when a continuous drive time passes 2 hours, which is a standard time period of a rest threshold time Tth. Furthermore, the control unit 17 changes the rest threshold time Tth from 2 hours, which is the standard time period, based on a positional relation between the vehicle Ve and a rest facility.SELECTED DRAWING: Figure 3

The invention provides a surface mine blasting hole layout method and system. The method is applied to the surface mine blasting hole layout system. The system comprises a probe vehicle provided with a GR, an SWL, a GPS receiver, an LS and an ES. The method comprises the following steps: detecting geologic structure information under a strip mine mountain through GR; sound waves are emitted to rocks under the strip mine mountain through the SWL, and reflected waves of the sound waves are captured; determining mechanical parameters of the rock based on the reflected waves; acquiring position information of the probe vehicle through a GPS receiver; scanning and surveying landforms around the surface mine through LS to obtain fluctuation and slope data of the landforms; monitoring meteorological information around the surface mine through the ES; determining geological target blasting parameters of the surface mine based on the geological structure information, the mechanical parameters of the rock, the position information of the probe vehicle, the fluctuation and gradient data of the landform and the meteorological information around the surface mine; the target blasting parameters are used for carrying out blasting hole layout on the surface mine.

A system for a host vehicle operating on a road surface includes a polarimetric camera, a global positioning system (“GPS”) receiver, a compass, and an electronic control unit (“ECU”). The camera collects polarimetric image data of a drive scene, including a potential driving path on the road surface. The ECU receives the polarimetric image data, estimates the Sun location using the GPS receiver and compass, and computes an ideal representation of the road surface using the Sun location. The ECU normalizes the polarimetric image data such that the road surface has a normalized representation in the drive scene, i.e., an angle of linear polarization (“AoLP”) and degree of linear polarization (“DoLP”) equal predetermined fixed values. The ECU executes a control action using the normalized representation.

A system for detecting and correcting wheelspin in a vehicle powered by a motor includes drive wheels driven by the motor and a motor controller in communication with the motor. In one embodiment, a vehicle acceleration from an inertial measurement unit (IMU) is compared to an estimated vehicle acceleration determined from an acceleration of the motor's rotor. If the estimated vehicle acceleration is greater than the IMU acceleration the motor controller adjusts the motor to correct the wheelspin. In a second embodiment, the vehicle acceleration is determined from a GPS receiver. In further embodiments, the vehicle acceleration is determined from other motor parameters, including voltage, current, and torque. In various embodiments, the drive motor is an electric motor, an internal combustion engine, or other prime mover device or mechanism.

The present invention relates to a system, method and apparatus for transmitting data reports at adjustable reporting rates based on detected rates of change in the heading of a tracked asset. According to a preferred embodiment, upon detection of a heading change, the device of the present invention may preferably power a location detection device (e.g., a GPS receiver or the like) to determine an accurate location. At the same time, the asset device may preferably monitor and store both the current heading and the rate of change of the heading. Based on the detected rate of change of the heading, the system may preferably select and update a report frequency based on a lookup table. Preferably, the lookup table may be based on a correlation between a given rate of heading change and predetermined temporal sample rates. According to a preferred embodiment, the higher the rate of change in heading may correspond to a higher temporal sample rate.

A detection system for a host vehicle includes a camera, global positioning system (“GPS”) receiver, compass, and electronic control unit (“ECU”). The camera collects polarimetric image data forming an imaged drive scene inclusive of a road surface illuminated by the Sun. The GPS receiver outputs a present location of the vehicle as a date-and-time-stamped coordinate set. The compass provides a directional heading of the vehicle. The ECU determines the Sun's location relative to the vehicle and camera using an input data set, including the present location and directional heading. The ECU also detects a specular reflecting area or areas on the road surface using the polarimetric image data and Sun's location, with the specular reflecting area(s) forming an output data set. The ECU then executes a control action aboard the host vehicle in response to the output data set.

The invention provides an electric platform management method based on a high-performance battery and an intelligent system, and belongs to the technical field of intelligent power grids, and the method comprises the following steps: S1, obtaining a satellite signal based on a GPS receiver, carrying out the three-dimensional positioning of the position of a vehicle, and obtaining the speed, steering angle and brake state of the vehicle based on a sensor; s2, position coordinates of the vehicle are updated according to the obtained initial position of the vehicle and the motion parameters of the vehicle; s3, based on the coordinates of the starting point and the ending point of the vehicle and a path planning algorithm, finding an optimal path on a map, and outputting an optimal driving path of the optimal vehicle; and S4, updating a navigation instruction and a path in real time according to the current position and the dynamic traffic condition of the vehicle, and continuously optimizing the optimal driving path of the vehicle. The system has the functions of real-time positioning and information return, can schedule and manage maintenance vehicles in real time, is convenient for managers to monitor and schedule vehicle positions and work schedules, and improves the management efficiency and the operation safety.

The invention relates to the technical field of power grid project management, and particularly discloses a project positioning supervision method and system based on power grid infrastructure construction. The method mainly comprises the following steps: acquiring an infrastructure map and positioning data fed back by a GPS receiver in real time; displaying the positioning data of the target identifier on an infrastructure map; acquiring motion information of the target identifier on the capital construction map; comparing the motion information with a preset guidance scheme to evaluate a construction state; and determining the construction progress and abnormal information according to the construction state. Through the positioning data fed back by the GPS receiver in real time, the dynamic condition of a construction site can be accurately mastered, and the construction state can be timely evaluated, so that the construction progress is accurately determined and abnormal information is captured, the efficiency and precision of construction management are improved, the safety risk caused by information lag or omission is effectively reduced, and the construction safety is improved. And a powerful guarantee is provided for smooth proceeding of a power grid infrastructure project.

An intelligent unmanned ship monitoring navigation system disclosed by the present invention comprises an unmanned ship body, the unmanned ship body is internally provided with a control cabin, a signal acquisition cabin and a power cabin, the control cabin is internally provided with a computer and a signal transmitting module, the signal transmitting module is in signal connection with a signal receiving module, and the signal receiving module is in signal connection with the unmanned ship body. The signal receiving module is in signal connection with a monitoring center server, and a data acquisition module and a GPS receiver are installed in the signal acquisition cabin. The GPS receiver is arranged in the signal acquisition cabin and is connected with the satellite navigation, so that the unmanned ship body can be positioned and navigated, the data acquisition module is arranged and is connected with the monitoring center server through the signal transmitting module and the signal receiving module, and the unmanned ship body can be monitored. According to the combined structure, the operation state and the surrounding environment of the unmanned ship body can be monitored in real time through the monitoring center server, and damage caused by collision between the unmanned ship body and surrounding sundries is avoided.

A vehicle control system for camera-based vehicle navigation includes at least one vehicle camera configured to capture an image of a front view from a vehicle, a global positioning system (GPS) receiver configured to obtain a current location of the vehicle, a vehicle user interface including a display, and a vehicle control module. The vehicle control module is configured to obtain the current location of the vehicle via the GPS receiver, identify a sequence of vehicle navigation steps to a target destination, capture the image via the at least one vehicle camera, process the image with a machine learning model to detect multiple objects in the image, rank the multiple objects according to landmark scoring criteria indicative of an object recognition likelihood by a driver of the vehicle, and display a highest ranked one of the multiple objects in association with a next vehicle navigation step.

A system is disclosed comprising a smartphone 2 and an aerosol generation device, such as an electronic cigarette. The smartphone 2 is configured to establish a communicative interaction with the electronic cigarette 4, preferably using a wireless protocol like Bluetooth® so that the devices can exchange data. The smartphone 2 comprises a positioning module, such as a GPS receiver 26, and is adapted to store a position in a data storage unit 28 each time a communicative interaction is established. In this way, the user can retrieve the last stored position from the data storage unit 28 and display it on a map on the smartphone display screen 22 so that they can be assisted in locating the electronic cigarette 4.

The invention discloses a GPS-fused cooperative positioning error compensation method and system. The method comprises the following steps: acquiring coordinate information of a GPS receiver and data information of an IMU sensor on a moving body in real time; calculating the actual position of the moving body at the current moment based on the data information; calculating a difference value based on the data information in combination with the coordinate information and the data information; setting a spoofing detection threshold value, and if the difference value is greater than the spoofing detection threshold value, determining that the GPS signal has spoofing; if deception exists, correcting the GPS signal based on the actual position; and according to the correction terminal point after the GPS signal is corrected, judging a target position decoy by the deception signal. According to the invention, the IMU sensor is introduced while the GPS is used for navigation and positioning, so that the positioning precision is improved, the overall robustness and reliability are enhanced, and the system can still work normally in a complex environment; moreover, the method can judge the position of a target which is deception by the deception signal.

A pet locating system and method includes a pet tracking device to be worn by a pet, with the device including a Bluetooth scanner to monitor a status of a presence or an absence of Bluetooth beacons within a predefined area, a Wi-Fi module to connect to a wireless network to communicate the status with a cloud-based server, a cellular modem to communicate the status with the cloud-based server when the device is outside a range of the wireless network, and a GPS receiver to obtain location data of a pet wearing the device and communicate the location data with the cloud-based server.

A system and method for initiating a discreet emergency response for a user of a mobile communication device having front and rear facing cameras, a microphone and a GPS receiver, the method including providing an application on the device capable of receiving a session initiation input and, responsive to the session initiation input, activating a potential emergency session with a remote dispatcher or monitoring center. This includes transmitting an emergency data stream to be accessible to the remote dispatcher or monitoring center. The emergency data stream including a first video stream for video images from a front-facing camera, a second video stream from a rear-facing cameras an audio stream from a microphone, and a stream of geolocation coordinates from the GPS receiver.

This application relates to an apparatus for tracking location using a control platform of a small buoy for simulating marine pollutants, in which at least one small observation buoy floats on the ocean, and a relay buoy collects location information from the observation buoy and provides the collected location information to a weather information management server. The apparatus may include at least one observation buoy and a relay buoy, the observation buoy including a GPS receiver which receives a signal transmitted from a GPS satellite and generate location information. The apparatus may also include a communicator performing wireless transmission and reception of signals with the relay buoy, and a power source providing driving power to the GPS receiver and the communicator. The relay buoy may receive location information from the at least one observation buoy and provide the received location information to a weather information management server.

A system for controlling a compactor machine can include a first GPS receiver on one side of a screed of a paver machine and a second GPS receiver on a second side of the screed, the first and second GPS receivers configured to communicate location information of the first and second sides of the screed, respectively, to a compactor machine; and a controller configured to receive the location information from screed and define a pass pattern for the compactor machine in view of the location information.

The invention relates to the technical field of gas leakage monitoring and tracing, and particularly discloses a gas leakage monitoring and tracing method and system based on multi-source data fusion. The method comprises the following steps: acquiring multi-source data through a sensor group on a mobile platform, wherein the sensor group at least comprises a Fourier infrared spectrometer, a visible light camera, an inertial measurement unit and a GPS receiver; based on an image sequence acquired by a visible light camera, constructing an ORB-SLAM3 algorithm by utilizing visual synchronous localization and a map which are subjected to static semantic constraint optimization, and estimating the pose of the mobile platform in real time; fusing the pose of the mobile platform, the data of the inertial measurement unit and the data of the GPS receiver with a pre-constructed three-dimensional building panorama, and calculating the real-time geographic coordinates of the observation target; and based on the data of the Fourier infrared spectrometer and the real-time geographic coordinates of the observation target, determining a gas leakage position and generating traceability information.

Power can be preserved in a tracking device equipped with a GPS receiver and a transceiver by evaluating the proximity of the tracking device to a mobile device and enabling the GPS receiver and transceiver only in the event that the tracking device is out of the range of the mobile device. Once enabled, the location of the tracking device can be determined based on location information received from the GPS receiver. The determined location can be provided to a tracking system associated with the tracking device. The tracking system can then inform an owner of the tracking device of the determined location. Once the tracking device has been found, the GPS receiver and the transceiver can be disabled to save additional power.

A rotary wing drone communicates its altitude (determined by an onboard GPS receiver) and an air pressure (from multiple onboard barometers) to a ground station which has a known height above sea leve