39results about How to "Get location in real time" patented technology

The invention discloses a jam triggering point monitoring system and method based on the radar tracking technology. Vehicles are continuously tracked through the radar tracking technology, the vehicles on an express way can be tracked, and state information of vehicles on a bridge and in a tunnel can be accurately obtained. A jam or a jam triggering point can be found on the express way or the bridge or in the tunnel in time, and therefore the jam position and the position of the jam triggering point can be directly displayed on an electronic map. According to the scheme, the moment when the jam triggering point occurs on the bridge or the tunnel or the express way and the position where the jam triggering point occurs can be correlated together to be displayed. Therefore, when a traffic manager or a decision maker replays the traffic condition in a certain area of the bridge, the tunnel and the express way, the jam triggering point can be dynamically displayed according to the occurring moment of the jam triggering point, the traffic decision maker can know the point segment of the bridge or the tunnel or the express way better, and the traffic jam happens to the point segment periodically and paroxysmally.

The invention provides a customer positioning method for shopping mall layout optimization. The method comprises: a LoRa positioning device obtains a position of a current customer in a shopping mall in real time, wherein the LoRa positioning device is installed at a mobile shopping device; a plurality of LoRa gateways are arranged in the shopping mall and each LoRa gateway broadcasts a beacon periodically; the LoRa positioning device periodically receives the beacon and sends an RSSI of each LoRa gateway of the received beacon to the LoRa gateway; and after the LoRa gateway receives LoRa positioning device data, the LoRa gateway sends the RSSI when the data are received to a LoRa server. The method has the following beneficial effects: the curent position of the customer in a supermarket or shopping mall can be obtained in real time, so that the shopping mall layout can be optimized.

The invention provides a method and device for notification of express information and a server. The method includes the steps of: obtaining a deliveryman identifier and express information of each express corresponding to the deliveryman identifier; obtaining the position of the deliveryman according to the deliveryman identifier; according to the position of the deliveryman and the corresponding express information of each express, detecting whether at least one first express exists which satisfies express taking notification conditions; and if at least one first express exists which satisfies the express taking notification conditions, sending an express taking notification to the recipient of each first express. To which recipients the notification messages are sent is dynamically determined according to the real-time position of the deliveryman, thereby avoiding notification by the deliveryman through phone calls one by one, enabling the recipients to receive notifications in time and take the expresses, and improving express delivery efficiency.

The invention relates to a train approach early-warning system and method for railway safety protection. The train approach early-warning system comprises locomotive radios installed on each train andused for acquiring positioning information from GPS modules on respective trains, a plurality of hand-held radios used for sending real-time positioning information of early-warning targets corresponding to each hand-held radio to early-warning servers through an alarm channel and receiving the warning information issued by the early-warning servers, and the early-warning servers deployed in respective station duty rooms and used for communicating with each hand-held radio through the alarm channel and monitoring the real-time position of each early-warning target and the running informationof on-line running trains in real time, and simultaneously transmitting warning information to the warning targets when the distance between the on-line running trains and a certain warning target reaches the predetermined early-warning range. The train approach early-warning system can accurately judge whether the train enters the early-warning position, and can maximally guarantee the safe evacuation of the early-warning targets from the scene after an early warning is generated.

The invention discloses a visual precision positioning method for aspace free flight simulator, and belongs to the technical field of vision measurement. In order to solve the problems of low positioning accuracy, high requirement for hardware equipment, large calculation amount and influence on the operation speed, the space free flight simulator is arranged on a working platform, a camera is fixed right above the working platform, and the camera is connected with a host computer; a cooperation target is designed and is placed at an appropriate position of the space free flight simulator; the camera is controlled by the host computer to acquire images of the space free flight simulator installed with the cooperation target, the digital image processing technology is used for extracting the center of a circular object for the cooperation target, and coordinates of the center in an image coordinate system is obtained; and the attained pose of the space free flight simulator is determined through the obtained coordinates of the center in the image coordinate system in accordance with the known installation position of the cooperation target with respect to the space free flight simulator by combining the correspondence of different coordinate systems.

The invention provides a blade tip clearance real-time measurement system and method based on constant voltage alternating current discharge. The system comprises a high-frequency alternating current discharge voltage source, a negative feedback discharge coupling circuit module, a metal probe, a magnet, a Hall sensor, a current magnitude measurement conversion module, a signal acquisition conversion circuit and a data processing module. A circuit module is connected in series between the voltage source high voltage end and the metal probe. The voltage source cathode is connected with the rotor blade center sequentially through the current magnitude measurement conversion module and another circuit module. One end of the metal probe is flush with the inner wall of a casing, and the other end is exposed to the outside. The current magnitude measurement conversion module is connected with the data processing module. The magnet is located at the off center of a rotation shaft. The Hall sensor is fixed on one side of the rotation shaft. The Hall sensor is connected with the data processing module through the signal acquisition conversion circuit. The data processing module is connected with the voltage source control end. The actual blade tip clearance of each blade can be measured in the measurement range. The system has the advantages of high practicality and easy installation and use.

The invention provides a virtual assembling demonstrating and teaching method based on Leap Motion. The method comprises the steps of firstly, conducting three-dimensional modeling on parts of an assembly and conducting correct assembling to obtain an assembly model, then conducting format converting, importing 3dsMax, unifying the material, and then exporting into a universal format of FBX to obtain a three-dimensional model; constructing a virtual assembling scene in Unity3D, assembling the parts, then obtaining gesture motion information and compiling a control view method, utilizing motioninformation of the human hand to grasp and move the virtual parts and conducting a view zooming operation and making an assembler judge the assembly state by observing the color change of the parts to finally complete assembling. The hand precise motion can be accurately captured, control over the interface is achieved, the parts are grasped, assembling is completed, after the parts of multiple formats or the assembly model are converted through the 3dsMax format, virtual assembling is conducted, and certain universality is achieved.

The present invention belongs to the information technology management field and relates to a Beidou-based travel and adventure emergency rescue system. The Beidou-based travel and adventure emergency rescue system includes a travel and adventure management platform, an emergency rescue system platform, a BeiDou satellite, an emergency alarm terminal and an emergency rescue terminal. When being confronted with a danger, a tourist can use the emergency alarm terminal to send out help seek signals in the form of short messages to the emergency system platform; the emergency system platform performs corresponding rescue command and issues rescue information in the form of Web through the travel and adventure management platform; and the emergency system platform sends a rescue plan in the form of short messages to the emergency rescue terminal through the BeiDou satellite so as to command a person who carries the emergency rescue terminal to rescue the tourist, communicates with the tourist in the form of short messages, sends a self-rescue plan to the tourist or psychologically helps the tourist, and knows the latest condition of the tourist. The Beidou-based travel and adventure emergency rescue system provided by the invention is a dynamic closed-loop management system. With the system adopted, the personal safety of travelers and adventurers can be enhanced.

The invention relates to an automatic motor mounting device. The automatic motor mounting device comprises a feeding unit, a manipulator unit and a slide rail unit and further comprises an assembly carrier, a locating assembly, a first bracket, a second bracket and a locking mechanism, wherein the assembly carrier is movably supported on the slide rail unit; the locating assembly is detachably supported on the assembly carrier; the first bracket is located on two sides of the slide rail unit; the second bracket is movably supported on the first bracket; and the locking mechanism is supported on the second bracket. When the automatic motor mounting device provided by the invention is adopted to mount a micro motor to a product, the work efficiency can be improved greatly, the assembly precision can be increased, and the product percent of pass can be guaranteed.

The invention provides an ambulance communication method, a device, a server and a storage medium, which establish a chat room with a service desk when the telephone communication between the help terminal and the ambulance service desk is recognized. Acquiring ambulance service information configured by an ambulance service desk, wherein the ambulance service information includes ambulance information and ambulance personnel information; Sending an invitation message for entering the chat room to the ambulance terminal and the ambulance personnel terminal; Upon receipt of the patient/injury information, the rescue guidance request information is sent to the ambulance worker terminal. Through the establishment of chat rooms, the patient escorts can be timely instructed by professional ambulance personnel, emergency treatment of patients, and real-time access to the ambulance and ambulance personnel location.

The invention provides a vehicle management system, a vehicle positioning method, a license plate and a vehicle, and relates to the field of Internet of Things. An RFID label and/or intelligent communication equipment are packaged in the license plate; the RFID label stores basic information of the vehicle so that basic information of the vehicle is sent to a remote management platform by an RF reader when the vehicle passes the RF reader; and the intelligent communication equipment comprises a positioning module used to obtain position information of the license plate and a communication module for sending the position information obtained by the positioning module to the remote management platform. Thus, position report equipment is integrated in the license plate, the position information is uploaded to the remote management platform, rely on the RFID label is eliminated, use of third-party software is not needed, it is ensured that the remote management platform can obtain the vehicle position in real time, and the capability in monitoring the vehicle position is improved.

The invention relates to an electrician entrance safety identification system and an electrician safety helmet, relating to the field of power construction. The defect that the current working state and the safety condition of a worker cannot be known in real time is overcome; the system comprises a management system server and a matched user terminal which are arranged at a construction site workstation, and further comprises an attendance information management subsystem, a constructor position positioning subsystem and a life perception subsystem which are connected with the management system server, the workstation can conveniently acquire and record the safety information and vital sign data of constructors entering the power construction site, the safety working data of the staff areacquired in real time, the staff can conveniently interact with the constructors to acquire the current working state of the constructors, and the personal safety of the constructors in the construction process is guaranteed.

The invention discloses an unmanned aerial vehicle positioning method and system. The unmanned aerial vehicle positioning method comprises the steps: deploying a plurality of first unmanned aerial vehicles on a first plane of a positioning building to serve as a plurality of first communication nodes, and deploying a plurality of second unmanned aerial vehicles on a second plane of the positioningbuilding to serve as a plurality of second communication nodes; acquiring the received and transmitted signal strength of the positioning device and the plurality of first communication nodes and thereceived and transmitted signal strength of the positioning device and the plurality of second communication nodes respectively; respectively obtaining the distance between the positioning device andthe plurality of first communication nodes and/or the distance between the positioning device and the plurality of second communication nodes according to the received and transmitted signal intensity; and obtaining the position of the positioning device in the positioning building according to the distance between the positioning device and the plurality of first communication nodes and/or the distance between the positioning device and the plurality of second communication nodes. The beneficial effects of the invention are that an on-site communication system is built through the unmanned aerial vehicles, and a rescuer or other rescuers can obtain the position of the rescuer in a building in real time through carrying the positioning device when the rescuer or other rescuers need to enter the building.

The invention relates to an intelligent electric meter box and a control method thereof, and belongs to the technical field of electric meter boxes. The electric meter box comprises a box body, wherein a data acquisition module, a processor, an electric energy management module and a solid-state relay module are integrated in the box body, the output end of the data acquisition module is connected with the input end of the solid-state relay module, the output end of the solid-state relay module is connected with the processor and is used for isolating voltage and current information acquired from the data acquisition module; and the processor is connected with the electric energy management module, the electric energy management module comprises an electric reactor, a PWM controllable rectifier and a capacitor which are connected in sequence, and the PWM controllable rectifier is formed by connecting a three-phase bridge arm branch composed of a switching tube and a fly-wheel diode. According to the intelligent electric meter box, electricity utilization information of multiple users can be collected through one box, and the size of the electric meter box is reduced; and before the electricity consumption of the user is calculated, the electric energy management module is used for carrying out reactive compensation on the power grid in an undervoltage state, so that the stability and the reliability of electricity consumption calculation are ensured.

The invention discloses a power transmission line hot-line work safety protection system and a method thereof. The system comprises a laser radar, a GPS positioning device, a three-axis acceleration sensor, a three-axis gyroscope and a processor. Three-dimensional data of a power transmission line needing hot-line work are received. A three-dimensional diagram of the power transmission line is constructed, position and attitude measurement data of the hot-line work personnel are received in real time, the position and the attitude of the operator are predicted by using the measurement data, whether the predicted distance is larger than a corresponding preset safe distance threshold value or not is calculated in real time according to the predicted position, predicted attitude parameters are calculated in real time according to the predicted attitude to judge whether the hot-line worker adopts a safe posture or not, then corresponding alarm information is output to an alarm device, andthen an alarm is given. Early warning is realized by predicting the motion trail and the attitude of the hot-line work personnel in advance, and the safety of hot-line work is enhanced.

The invention belongs to the technical field related to robot teleoperation, and particularly relates to a three-dimensional virtual force field vision enhancement method applied to mechanical arm control. The method comprises the following steps that S1, potential field resultant force borne by the tail end of the mechanical arm is calculated in the motion space of the mechanical arm; s2, a three-dimensional virtual sphere is constructed in the virtual space, grid division is conducted on the surface of the three-dimensional virtual sphere, the sphere center is equivalent to the mass center of the tail end of the mechanical arm, the resultant force borne by the mass center acts on grid nodes in the corresponding direction, force given to other nodes on the surface of the sphere is obtained according to a preset rule, and displacement is generated; and S3, the three-dimensional virtual sphere is mapped to the tail end of the mechanical arm through the augmented reality technology, when the potential field resultant force borne by the tail end of the mechanical arm changes, the shape of the three-dimensional virtual sphere changes, and visual enhancement of the force field of the tail end of the mechanical arm is achieved. According to the invention, the problems of unexpected collision, operation errors and the like under the guidance of single visual information are solved.

The invention relates to the technical field of vehicle-mounted face snapshot, and in particular relates to a vehicle-mounted face snapshot method and system. The method comprises the steps of S1 setting a face snapshot camera in a vehicle; S2 shooting a pedestrian face image through a face snapshot camera, and carrying out face detection and face tracking; S3 obtaining vehicle position information and vehicle state data in real time, and judging whether a vehicle is parked or not; S4 if it is judged that the vehicle is parked, further judging the last deceleration before the vehicle is parked, controlling the face snapshot camera to shoot towards the vehicle door within the time period from the beginning of the last deceleration to the opening of the front door of the vehicle, and executing the step S2; otherwise, controlling the face snapshot camera to shoot towards the front of the vehicle, and going to the step S2. Aiming at a vehicle-mounted application scene, the operation performance and the real-time performance are optimized, the cost of the face snapshot device is reduced, the snapshot device is linked with a bus, and the coverage rate of security arrangement is greatly improved through movement of the bus.

The invention provides an anti-lost safety management system and method. The system comprises an access control device, a first wireless communication device and a management device. Wherein the access control device is arranged at an entrance and exit of an activity space to open or close the entrance and exit, and the first wireless communication device arranged around the entrance and exit of the activity space is configured to communicate with a second wireless communication device carried by a monitored person. And the management device is configured to obtain hosting data of the monitored personnel and the position of the monitored personnel, transmit the obtained position of the monitored personnel to a third wireless communication device owned by the corresponding monitored personnel, and send the position of the monitored personnel to the third wireless communication device when the monitored personnel are about to leave or leave the allowable activity range. And the access control device is controlled to close the entrance and exit, and an abnormal leaving alarm is sent to the third wireless communication device, so that the timeliness of interaction with guardians is improved.