8 results about "Gps positioning system" patented technology

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 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 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 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.