24 results about "Gps positioning system" patented technology

The invention provides an unmanned aerial vehicle positioning method and system, an unmanned aerial vehicle and a medium, and the method comprises the steps: firstly, obtaining inertial motion data and visual perception data in real time, and continuously providing the inertial motion data through employing the characteristic that an inertial sensor is not limited by a signal environment, so as to avoid a positioning interruption problem when a positioning signal is weak; meanwhile, the spatial pose data is generated by performing pose analysis on the visual perception data, and the first position information is generated by combining the preset satellite map database in a matching manner, so that the defect of inertial navigation accumulative errors is made up. The inertial motion data, the spatial pose data and the first position information are fused and calculated to generate the second position information, and the second position information is converted into the GPS signal and accessed to the GPS system of the unmanned aerial vehicle, so that the error defect of a single sensor can be effectively inhibited, continuous and accurate positioning in a complex environment is realized, and the positioning accuracy is improved. The problem of application limitation of a traditional GPS positioning system in special environments with weak positioning signals and the like is fundamentally solved from the technical level.

The invention discloses a control system based on a GPS (Global Positioning System) and a center pivot type sprinkling irrigation machine land angle arm. The control system comprises a center pivot tower and a rotating pivot fixed at the center of an irrigation plot; the central pivot type sprinkling machine serves as a main span body, and the starting end of the central pivot type sprinkling machine is connected with the central pivot tower; the land angle arm straddle body is mounted at the tail end of the central pivot type sprinkling machine; the landing angle arm controller comprises a GPS positioning system and a wheel control system, and the wheel control system calculates and detects the wheel angle in real time according to the wheel zero position; the base station provides position information for the anchor arm controller; the wireless communication LoRa module is used for sending the position information of the base station to a foot margin arm controller through the wireless communication LoRa module and providing a centimeter-level high-precision positioning information differential source for a GPS (Global Positioning System); and the screen module is used for displaying the running state and track information of the anchor arm in real time, setting parameters of the anchor arm and alarming fault information. The method is convenient to operate, can plan the track of the anchor arm, avoids obstacles in track planning, and realizes good operation driving.

The invention discloses a system for judging a dragging relation between a powered headstock and an unpowered trailer, and relates to the field of systems for judging the dragging relation between the powered headstock and the unpowered trailer, which comprises a powered vehicle-mounted terminal and an unpowered vehicle-mounted terminal, each of the powered vehicle-mounted terminal and the unpowered vehicle-mounted terminal comprises a near-field Bluetooth local area network, an inertial navigation system, a Beidou / GPS positioning system, a 2G / 4G network access system, a platform management system and a solar power supply. According to the invention, through the near-field Bluetooth local area network, the unpowered vehicle-mounted terminal can conveniently send the Bluetooth short-distance networking application to the powered vehicle-mounted terminal through the near-field Bluetooth local area network, so that networking between the unpowered vehicle-mounted terminal and the powered vehicle-mounted terminal in the range is realized; relative dynamic and static states and position error information are determined through a carried inertial navigation system and a Beidou / GPS positioning system, and comparison is carried out according to the dynamic and static states of the unpowered vehicle-mounted terminal and the power vehicle-mounted terminal and the position information of the unpowered vehicle-mounted terminal and the power vehicle-mounted terminal.

This application provides a UAV positioning method, system, UAV, and medium. In this method, firstly, inertial motion data and visual perception data are acquired in real time. The characteristic of inertial sensors, which are not limited by signal environment, continuously provides inertial motion data to avoid positioning interruption when the positioning signal is weak. Simultaneously, spatial pose data is generated by performing pose analysis on the visual perception data, and first position information is generated by matching it with a preset satellite map database, compensating for the accumulated errors of inertial navigation. By fusing the inertial motion data, spatial pose data, and first position information to generate second position information, and converting it into a GPS signal and connecting it to the UAV's GPS system, the error defects of a single sensor can be effectively suppressed, achieving continuous and accurate positioning in complex environments. This fundamentally solves the application limitations of traditional GPS positioning systems in special environments such as weak positioning signals.

The invention discloses a hoisting method for an overwater box transformer substation, relates to the technical field of power equipment installation, and aims to solve the problems that in the prior art, in the hoisting process of the overwater box transformer substation, stability is poor, safety is low, and hoisting efficiency and installation quality are difficult to guarantee. The method comprises the following steps: surveying the mounting position of a water box transformer substation, measuring water depth, water velocity, wind direction, wind speed and underwater topography information, selecting a time period when the wind power is less than level 3 and the water velocity is less than 1m / s according to the surveying result to carry out hoisting operation, selecting a hoisting ship with sufficient bearing capacity and good stability, and mounting a GPS positioning system and a laser positioning system on the hoisting ship, hoisting equipment matched with the weight and the size of the water box transformer substation is arranged, the hoisting equipment is comprehensively checked and maintained, and a pulling force test is conducted on a hoisting rope. The hoisting device has the advantage that the hoisting stability, safety, hoisting efficiency and mounting quality of the water box transformer substation are effectively improved.

An integrated physiological monitoring system and method for tracking movement efficiency in various activities, including cycling. The system comprises a flexible substrate for skin contact, with integrated sensors for measuring perspiration, heatflux, heart rate, and gastric emptying rate as well as a GPS positioning system for tracking distance, velocity, and elevation. The system's programmable logic calculates energy expenditure and movement efficiency metrics, such as calories per mile and calories per mile-per-hour, based on the combined physiological and GPS data. The system also features a wireless communication system for transmitting these metrics to multiple display devices, including smartwatches, smartphones, and bicycle handlebar-mounted displays. Real-time efficiency optimization recommendations are also provided based on current physiological state, GPS-derived terrain analysis, and target performance goals.

1. The name of the design product: connector (MINI FAKRA). 2. The use of the design product: the design product is used for the connection of radio frequency signals or other signal transmission between GPS positioning system, remote control system, vehicle telephone system, satellite radio and other equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

This invention discloses an agricultural machinery operating condition data acquisition device and method, including a data acquisition module. The data acquisition module is sequentially connected to a sensor module, a controller module, a GPS positioning system module, and a camera module. The sensor module is sequentially connected to a temperature sensor unit, a pressure sensor unit, a fuel level sensor unit, and a speed sensor unit. The controller module is sequentially connected to a stroke controller unit and an engine control unit. This invention, based on the characteristics of agricultural operations and combined with the actual operation process, uses data to assist each other to identify the working and stopping states of the tractor, obtains all data after the tractor starts working, eliminates invalid data from non-normal working states, and performs relevant algorithm analysis to obtain the actual fuel consumption data during operation. This device can accurately reflect the different fuel consumption data consumed by different operating methods in the actual operation of agricultural machinery.

The application discloses an unmanned driving method and loading equipment, which comprises the following steps: providing a global positioning service through a GPS, and realizing high-precision positioning of a vehicle by sensing the attitude and motion state of a transportation device in real time through an IMU gyroscope and an accelerometer sensor; calculating the best path between a transportation point and a storage point of an open-pit coal mine through geographical position information of the open-pit coal mine and position information of the storage point, and completing route planning of the transportation device through an intelligent algorithm; and controlling the transportation device in real time through a remote monitoring system and a control system. The unmanned driving method and the loading equipment position the coal mine and the transportation device through a GPS positioning system, sense the motion state of the device in real time through a gyroscope and an accelerometer sensor in the IMU, calculate the best route through an intelligent algorithm, and remotely control the transportation device through a remote monitoring system and a control system, so that the unmanned driving effect is realized.

The embodiment of the present application relates to the technical field of rail transit, and discloses a portable on-boarding instrument based on optical fiber inertial navigation and a cloud management system, the on-boarding instrument comprising an audio sensor, an inertial navigation system, a GPS positioning system, a central processing unit and a communication module; the audio sensor collects noise signals in a train compartment; the inertial navigation system measures acceleration data and vibration data of the train, and determines real-time speed and inertial navigation mileage of the train according to the acceleration data when there is no GPS signal or when there is a GPS signal; the GPS positioning system obtains longitude and latitude information of the train when there is a GPS signal; the central processing unit uploads the noise signals, the acceleration data, the vibration data, the real-time speed, the inertial navigation mileage and the longitude and latitude information to a predetermined cloud platform through the communication module. In the above manner, the embodiment of the present application can comprehensively collect and detect various data in the train running process, the train positioning data based on the inertial navigation mileage and the longitude and latitude information has high accuracy, and the cloud platform is used to uniformly and efficiently manage the data.

The invention discloses a sub-second clock synchronization circuit of a Beidou / GPS positioning system, which comprises a Beidou / GPS signal receiving unit, a low pulse output unit, an external pulse generator, a pulse accumulation unit and a data acquisition unit, and is characterized in that the Beidou / GPS signal receiving unit receives synchronous satellite signals and outputs whole-second clock synchronization signals; the low pulse output unit receives a whole second clock synchronization signal, outputs a high pulse signal in each whole second and inputs the high pulse signal to the pulse accumulation unit, an external pulse generator generates a pulse signal with a period of t seconds and inputs the pulse signal to the pulse accumulation unit, and the pulse accumulation unit accumulates the input pulse signals in a whole second time and outputs the accumulated pulse signal to the clock synchronization unit. The accumulated value is X, and the sub-second clock value is Ts = X * t. The sub-second clock synchronization circuit can perform whole-second automatic zero clearing and automatically start sub-second counting, errors of an external pulse generator are not accumulated, no accumulated error exists, and the sub-second clock synchronization circuit can operate for a long time to keep sub-second synchronization and does not need calibration.

The invention discloses an unmanned aerial vehicle measurement path control system for geological survey. Comprising an unmanned aerial vehicle system control center, a database, a geological information acquisition module, a drilling area map import unit, a GPS positioning system, an unmanned aerial vehicle scanning unit, a survey height planning module, an information input module, an information calling module, an unmanned aerial vehicle distribution unit and a return path planning unit. A proper unmanned aerial vehicle is selected for surveying the corresponding drilling site through a surveying height planning module according to the comparison of the height of the drilling site and the highest height of the detection flight of the unmanned aerial vehicle, and a path is planned for avoiding obstacles after the surveying of the unmanned aerial vehicle is completed. The unmanned aerial vehicle is prevented from being collided and damaged in the surveying process and in the returning process, whether the unmanned aerial vehicle can independently complete surveying work of the whole area or not is predicted according to the surveying land area and unmanned aerial vehicle information data input by the information input module in the database, appropriate unmanned aerial vehicle surveying corresponding sites are allocated, and full utilization of resources is achieved.

The invention discloses a hydrology and water resource monitoring method based on big data, and relates to the technical field of hydrology and water resource monitoring. The method comprises the following specific steps: carrying out riverbed detection on a riverway by using a geological radar ship, and constructing a riverway riverbed map in combination with a GPS positioning system; marking on the whole riverbed map, and installing a hydrology and water resource monitoring device at the marked position; data collected by each hydrology and water resource monitoring device is wirelessly uploaded to the background central server through the monitoring unit; establishing a riverbed hydrology and water resource dynamic change model, and inputting the collected data into the riverbed hydrology and water resource dynamic change model; and establishing a riverbed hydrology and water resource change database of the whole riverbed along with time change over the years. By establishing the riverbed stereogram and filling the monitoring site data, the hydrology and water quality resource monitoring dynamic graph is formed, and the problems that existing riverway monitoring is not comprehensive, the position of a pollution source and the water depth and flow velocity of each position of the riverway cannot be rapidly judged through monitoring data and the like are solved.

The invention discloses a golf ball GPS positioning system and method, and belongs to the technical field of accurate positioning, the golf ball GPS positioning system comprises a ball body, a golf ball built-in system, a mobile control system and a cloud control system, the ball body comprises a shell, a middle layer fixedly connected in the shell and a ball center fixedly connected in the middle layer, and a packaging box is fixedly connected in the ball center; a control circuit, a GPS chip and a power supply which are electrically connected with one another are fixedly connected in the packaging box, the golf ball built-in system controls the GPS chip to obtain positioning information after receiving a starting signal and uploads the positioning information to the mobile control system, and the mobile control system generates a starting signal according to each piece of GPS communication information and sends the starting signal; the golf ball positioning system has the advantages that the golf ball can be remotely positioned through GPS positioning, and a user can conveniently find the golf ball.

The utility model belongs to the technical field of bridge engineering, and particularly relates to bridge damage diagnosis equipment for bridge engineering detection, which is characterized in that steering wheels for steering are arranged at the front end and the rear end of a frame, a motor for controlling the steering angles of the steering wheels is fixedly mounted above the frame, and power wheels for walking are arranged on two sides of the frame; and a ground penetrating radar is fixedly mounted above the frame. According to the bridge damage diagnosis equipment for bridge engineering detection, the frame is controlled to move along the edge, the drawing mechanism draws a guide line in the moving process, after the frame transversely moves by a width, the guide line drawn by the drawing mechanism is detected through a detection head, and a motor is controlled to adjust the angle; therefore, the frame can move again parallel to the moving track of the frame on the upper side, radar scanning can be conducted on the whole bridge through repeated actions, and the problems that in the prior art, a tractor is guided through a GPS positioning system, the positioning precision is low, and scanning missing and repeated scanning are likely to happen are solved.

The application discloses a self-propelled electric laser weeding machine and a self-adaptive weeding method, and relates to the technical field of intelligent agricultural equipment. The device comprises a machine body, an electric walking system, a path planning module, an image processing module and a laser weeding system. The path planning module is composed of a laser radar and a GPS positioning system and can realize autonomous avoidance function. The image processing module is composed of a binocular camera and a bottom acquisition camera and can identify weeds in real time, position the weeds and transmit data to the processor. The laser weeding system is mainly composed of a laser and can effectively kill weeds under the scheduling of the internal processor of the weeding machine. The application mainly provides a laser weeding machine which can autonomously plan a path and adjust laser power and scanning speed according to different weeds, and aims to solve the pain points of traditional weeding in the aspects of environmental protection, accuracy, work efficiency, adaptability and intelligence.

The invention discloses a straddle double-body type AGV accurate docking method based on dynamic weight correction, and belongs to the field of robot motion driving and control. The implementation method comprises the steps that in the process that a transfer AGV in a dense parking area is in butt joint with a commercial vehicle, a cloud scheduling system determines the position of the commercial vehicle to be transferred through a GPS positioning system, a vehicle taking coarse path is planned according to the position, and the path is sent to the AGV; when the distances between the to-be-transferred commercial vehicle and the commercial vehicles on the two sides of the to-be-transferred commercial vehicle are inconsistent, the AGV can sacrifice certain butt joint precision with the target vehicle, the distance safety of the two sides is guaranteed, and the distance between the AGV and the two sides of the commercial vehicles in the AGV is achieved, so that the vehicle taking function is achieved under the limit condition. The distance difference between the to-be-transferred commercial vehicle and the commercial vehicles on the two sides is detected in real time, the butt joint path between the AGV and the commercial vehicles is dynamically adjusted, it is ensured that safe and accurate butt joint can still be achieved under the condition that the distance difference exists between the AGV and the adjacent commercial vehicles, and the accurate butt joint efficiency is improved by optimizing path planning.

The invention discloses a seafloor rock stratum vertical jacking sealing receiving device and an installation method thereof.The seafloor rock stratum vertical jacking sealing receiving device comprises a sealing receiving cabin, a GPS positioning system, a monitoring system and a pressure sensor are arranged on the sealing receiving cabin, and a sealing cover is detachably arranged at the upper end of the sealing receiving cabin; and a pressure reducing valve, a slurry feeding and discharging valve and an exhaust valve which are communicated with the interior of the sealed receiving cabin are arranged on the sealing cover. In addition, the invention further discloses an installation method of the sealed receiving device for vertical jacking of the seabed rock stratum, and the sealed receiving device is applied to the installation method. According to the sealed receiving device, through standardized design and modularized construction, in combination with a vertical jacking construction technology, seawater is effectively isolated and prevented from permeating into a construction area in the construction process, constructors can better plan a jacking path, unpredictable hard rock stratums are prevented from being encountered in the jacking process, and the construction efficiency is improved. Stable jacking and safe construction of the shield tunnel under the seabed hard rock geological condition are achieved, and the construction efficiency is effectively improved.

This invention relates to a damage inspection device for double-layer fishing net aquaculture cages, comprising an inner cage frame, an outer cage frame, an inner net layer, and an outer net layer, with the inner and outer net layers enclosing multiple rectangular areas. A damage inspection device is installed within each rectangular area. Each damage inspection device includes a displacement drive system and a positioning detection device. The displacement drive system drives the positioning detection device to move along a planned route within the rectangular area. The positioning detection device includes a detection box, a detection roller assembly, a pressure sensor assembly, and a GPS positioning system. The detection roller assembly includes inner and outer detection rollers, with a distance L1 between the inner and outer detection rollers greater than the width L0 of the rectangular area, allowing the double-layer net layer to be stretched. This invention can detect the integrity of the fishing net based on the pressure signal between the net layer and the detection rollers, detect damage to the double-layer net layer in real time, promptly report the location and size of the damage, and facilitate repairs to effectively avoid economic losses.

The application provides a laser wireless energy transmission system with a self-protection function, comprising a laser emission system, a laser transmission optical path system and a laser receiving system. The laser emission system comprises an emission end control center, a laser system, a 360-degree rotating table system, a protective light receiving system and a GPS positioning system; the laser transmission optical path system comprises a light splitting plate, a beam expanding and collimating system and a local beam spot expanding system; the laser receiving system comprises a receiving end control center, a planar displacement table system, a GPS positioning system, a photovoltaic cell and a heat dissipation device, a maximum power tracking circuit (MPPT), a DC-DC exchange circuit, a storage battery and a power management system thereof. The patent can realize the self-protection function of the laser wireless energy transmission system under the condition of reducing peripherals and reducing system complexity. Meanwhile, the energy distribution of the laser beam can be changed more easily, and the photoelectric conversion efficiency on the photovoltaic cell is improved.

The invention discloses a device and method for automatically measuring and backfilling hole bottom overdrilling depth, and the device comprises a housing, the housing is provided with an automatic distance measuring system and a fine sand collecting or quantitative backfilling system, the housing is an equipment grabbing rod, the equipment grabbing rod is internally provided with a transparent tempered glass housing, and the transparent tempered glass housing is internally provided with a transparent tempered glass collecting bin. A conveying pipe is arranged at one end of the transparent tempered glass collecting bin, the other end of the conveying pipe is in threaded connection with a suction nozzle, and the transparent tempered glass collecting bin is connected with the air compressor through a pipeline. The design elevation of different holes is distinguished according to the hole coordinates by starting the GPS positioning system, the hole depth can be accurately measured through the infrared distance measuring probe, then the over-excavation depth and the backfill volume of each hole are calculated, and accuracy and labor saving are achieved.

The utility model relates to an electronic identification marking device for a power transmission line, and belongs to the technical field of ancillary facilities for power transmission line maintenance. Comprising a shell, a bandage, an electronic ink display screen, a computer control end, a GPS positioning system, a voice system, a communication system, a control system and a power supply system. Wherein the electronic ink display screen is installed on the shell and used for displaying information of a power failure line tower to be overhauled, the GPS positioning system, the voice system, the communication system, the control system and the power supply system are all packaged in the shell, and the control system communicates with the electronic ink display screen, the GPS positioning system, the voice system and the communication system. And the computer control end communicates with the control system through the communication system. According to the utility model, the power-off maintenance work efficiency can be improved, and the safety production line can be kept.

The invention discloses underwater bank protection anti-scouring solidified soil construction equipment and a construction process. The construction equipment comprises a stirring ship, a curing agent adding device, a stirring device, a water and soil body automatic conveying device, a pumping device, a pipeline guide bracket and a positioning system, wherein the stirring ship is formed by changing a deck ship; and the curing agent adding device, the stirring device, the water and soil body automatic conveying device, the pumping device, the pipeline guide bracket and the positioning system are mounted on the stirring ship. The curing agent adding device comprises a curing agent storage tank and a feeding pipeline; the stirring device comprises a stirring box connected with the outlet of the feeding pipeline and a stirrer mounted in the stirring box; the water and soil body automatic conveying device comprises a water pump connected to a water inlet in the front end of the stirring box, a soil body conveyor arranged on one side of the front portion of the stirring box and a weighing device installed on the soil body conveyor; the pumping device comprises a discharging pipeline connected to a discharging opening in one side of the stirring box and a slurry pump installed on the discharging pipeline. The pipeline guide bracket is mounted in the middle of a ship board on one side of the stirring ship; the positioning system comprises a GPS positioning system and a sonar depth finder. The service life of the bank slope can be effectively prolonged.

The invention discloses a TMS refined logistics transportation cloud management method, and relates to the technical field of logistics management. Comprising the steps of obtaining state information of an order in real time to obtain an order state item which is used for representing quantitative information and momentum information of a target order; when the order is allocated, allocation information is obtained, allocation information items are obtained, and the allocation information comprises allocation end point position information, allocation remaining time efficiency information and allocation quantity data information. According to the invention, the order state is obtained in real time by using the cloud management platform and the GPS positioning system, the system automatically screens the path with the lowest cost and according with the timeliness in combination with quantitative and momentum information, the system quickly generates the transfer place preselection graph based on the distribution information in the distribution scene, and the invalid path is removed through real-time position tracking, so that the distribution efficiency is improved. Only the pre-selected path is reserved and the transit time is calculated, thereby reducing transport delays.