34results about How to "Precise Indoor Positioning" patented technology

The invention discloses an intelligent bag. The intelligent bag comprises a portable bag, a power source, an intelligent sensor, a network layer, a microprocessor, a man-machine interaction apparatus and an application layer. The intelligent bag is reasonably and effectively integrated with a series of technologies such as navigation positioning, block chains, electronic sensing, data networks, artificial intelligence, distributed calculation, automatic control, machine identification, mobile computation, man-machine interaction and the like and is embedded into a portable terminal so as to improve trip experience of people. An intelligent bag user, as a manager, a supervisor and a user of a peer-to-peer network system in a wireless Ad-hoc network, can perform self-disposition, self-maintenance, self-learning and self-production so that a decentralized self-growing trip database can be constructed. Hopefully, the intelligent bag can be a terminal member of the internet of things of an intelligent city traffic system.

An indoor positioning method, a navigation method and a system are provided in embodiments of the invention to overcome a problem that an accumulated error / non-line-of-sight error in the prior art ishigh. The indoor positioning method is applied for an automatic guided vehicle (AGV). The AGV includes a main controller, an inertial navigation system (INS) and at least two UWB electronic tags. Themethod includes acquiring, by the main controller, first positioning data and first attitude data from the INS; acquiring data about a distance between the UWB electronic tags and each UWB base station from the at least two ultra wide band (UWB) electronic tags; determining second positioning data and second attitude data of the AGV by utilizing the acquired distance data; and subjecting the firstand second positioning data and the first and second attitude data to autoregression data processing by utilizing Kalman filters to obtain optimum positioning data and optimum attitude data. Accuratepositioning data can be obtained by the method so as to obtain navigation information, and an ideal navigation precision can be obtained by utilizing a cheap device.

The invention provides an old people heart rate monitoring and locating system and method. The system comprises a bracelet and a server. The bracelet comprises an intelligent watch head. An intelligent key, an SIM card holder and a switch key are arranged on one side of the intelligent watch head, and a sound outlet and an emergency talking key are arranged on the other side of the intelligent watch head. A USB seat is arranged at the bottom of the intelligent watch head, a display unit and a voice collection hole are arranged at the upper end of the intelligent watch head. By means of the system and method, in various states and environments, human biological data can be collected, and the human states can be tracked and alarmed in time. The system is small in structure, quite beautiful in industrial design, simple and generous, magnanimous in layer, powerful in function, the smallest, lightest, thinnest among like products, quite low in power consumption, ultimate in stand-by time, comfortable and beautiful, environmentally friendly designed and accordant with human engineering design.

The invention discloses a method and a device for positioning a terminal. The method comprises steps: WiFi information of a position where a user is currently is acquired; the device for positioning terminal is sent to a server connected with the terminal; the current position is photographed to obtain a current scene image, and the current scene image is sent to the server; and a target fingerprint map and a target position sent by the server are received, and the target position is displayed on the target fingerprint map. According to the technical scheme of the invention, the target fingerprint map which is more detailed and more accurate and corresponding to the current position is built through the server, more accurate positioning is thus realized according to the WiFi information of the position where the user is currently, and the user is greatly facilitated.

The invention relates to an indoor fingerprint positioning method and system based on a geomagnetic sensor array. The positioning method comprises the following steps: 1, performing grid initialization; 2, collecting fingerprint data at sampling points in a grid through the geomagnetic sensor array; 3, storing fingerprint at save positions in a fingerprint database to complete the construction ofa geomagnetic reference map; 4, acquiring the geomagnetic information of a to-be-detected point by using the geomagnetic array, and sequentially calculating fingerprint similarity between the to-be-detected point and the probability characterization fingerprint of each sampling position in the fingerprint database; and 5, selecting optimal-matching fingerprint from the geomagnetic reference map soas to obtain an estimated position. Compared with the prior art, the indoor positioning method based on the mobile crowdsourcing of the invention does not require manual surveying, realizes real-time, robust and accurate indoor positioning in virtue of a large number of ordinary users, greatly improves the working efficiency and stability of the system, and is beneficial for promoting the effective application of an indoor positioning technology.

The invention discloses an indoor positioning method based on distance measurement information fusion, and relates to the technical field of communication methods of distance measurement. The method start from fusion of various kinds of measurement, and the method relying on Bluetooth and wireless network functions of a mobile phone is provided to realize precise indoor precision. Through a lognormal model, the received signal strength in Bluetooth and wireless network measurement is converted into distance information, a cost function of a distance difference is established, and a searching method is used to achieve the effect that precise positioning is realized by only two wireless network base stations. According to the method, two stations are selected from the stations relatively high in signal strength, so that the case that the lognormal channel model fails to depict a practical channel because of the factors of multipath, blocking and the like is avoided to the greatest extent; and the positioning method achieves a relatively good positioning effect under the condition of relatively low operation complexity.

The invention relates to an indoor positioning and navigation method based on laser SLAM (Simultaneous Localization and Mapping). The indoor positioning and navigation method comprises the following steps: S1, constructing an indoor global map by adopting a laser SLAM technology; S2, dividing the global map into a plurality of sub-region maps which are not repeated; dividing an indoor space into aplurality of sub-regions through an electronic fence according to divided sub-region maps; and S3, enabling a robot to walk in the electronic fence and constructing a local map by utilizing the laserSLAM technology, and looking up matched sub-region maps according to the local map and acquiring a current position. Even if the distribution of building structures and function sub-chambers of different indoor places is the same, accurate indoor positioning and navigation also can be realized.

The invention provides an indoor positioning method and device of a VR game and a storage medium. The method comprises steps of arranging multiple cameras on a ceiling according to a preset rule and synchronously shooting a moving object adhered with an identification code on the ground through the cameras; acquiring an image corresponding to the identification code at an interval of preset time,and determining the second coordinate of the identification code in the image according to the image and the first coordinate of the camera corresponding to the image in the world coordinate system; and according to the first coordinate and the second coordinate, calculating movement information of the moving object in the world coordinate system and sending the movement information to connected VR devices through the server so as to allow the VR devices to display an indoor scene according to own vision angles. According to the invention, by distributing a fixed world coordinate to each camera, the world coordinate and the angle of the identification code are inversely calculated according to the identification code shot by the cameras, so precise indoor positioning of the moving object is achieved.

The invention provides a positioning method and system in predetermined space. The method comprises: a signal transmitting unit is installed at fixed equipment or a fixed position in predetermined space and transmits overall map layout information of the predetermined space as well as relative positioning information of the fixed equipment or fixed position in the predetermined space; when a mobile terminal roams at the fixed equipment or fixed position, the relative positioning information and overall map layout information that are transmitted by the signal transmitting unit are received; the mobile terminal carries out relative positioning in the predetermined space and / or calculates a path arriving at a point of interest in the determined space based on the relative positioning information and overall map layout information. With the method and system, precise positioning can be realized well at an underground parking lot, a building, and a lobby at an airport, and other places where the GPS can not carry out positioning precisely. Moreover, even positioning at different floors can be realized accurately and two-dimensional and three-dimensional maps can be sent to the mobile terminal.

The invention discloses an indoor positioning method and an indoor positioning system based on ultra wideband (UWB) signal broadcast delay estimation, wherein the method comprises the following steps of: constructing a vector tao, confirming an array Se(tao), constructing an expanding array A, solving the expanding array A, performing delay estimation and performing indoor positioning. By the method, super resolution and constant performance in case of relevant signal sources can be obtained, and near time delay can be obtained in low sampling rate. The method can provide accurate indoor positioning.

The invention discloses a robot indoor positioning method and system based on an infrared distance measuring sensor. When a robot detects a determination instruction that a user selects the current indoor environment as the initial walking environment, position information of all positioning points on the current indoor ground and circumferential environment distance information corresponding to each position information are stored; environment distance information is obtained through the infrared distance measuring sensor by means of the unique of the certain circumferential environment distance information of the robot at different positions, and recognizing and positioning are achieved. Efficient indoor positioning of the robot is achieved, and the good robustness is achieved.

Provided is a technique for estimating an indoor position, by which a terminal may receive a positioning signal from a pseudo satellite, using a plurality of receiving antennas, determine a position of the pseudo satellite based on positional information included in the received positioning signal, estimate a direction of the pseudo satellite based on a phase difference of the positioning signal at each of the plurality of receiving antennas, and estimate a location of the terminal based on the positional information of the pseudo satellite and the estimated direction of the pseudo satellite.

The invention discloses an indoor positioning method of an intelligent safety helmet. The indoor positioning method of the intelligent safety helmet is implemented by devices including a safety helmet, intelligent LED lamps, a wireless gateway, an outdoor WiFi hotspot and a cloud server, wherein the intelligent LED lamps are installed on the top in a room and distributed on the same in an array; Bluetooth modules are installed in the intelligent LED lamps and form a network via an ad-hoc network protocol, the network formed by the intelligent LED lamps is connected with the outdoor WiFi hotspot via the wireless gateway, and the outdoor WiFi hotspot is connected with the cloud server. The Bluetooth modules arranged in the safety helmet read position information of the Bluetooth modules in the five closest intelligent LED lamps, the safety helmet uploads the position information to the cloud server via an ad-hoc network, and the cloud server computes the position information of the safety helmet via an algorithm routine. According to method provided by the invention, the devices are simple in structure and convenient to arrange, implementation of the method is facilitated, and indoorpositioning can be accurately performed on the safety helmet.

The invention discloses a parking planning assistance method and system based on AR glasses. The method comprises the following steps: step S1, acquiring current location information when a parking request is acquired, acquiring the information of a surrounding parking lot according to the current location information, and outputting the acquired information of the surrounding parking lot via theAR glasses for display; step S2, acquiring a selection request of a user, determining the corresponding parking lot according to the selection request of the user, automatically generating a path planfrom the current location to the parking lot according to the determined parking lot, and outputting the path plan via the AR glasses for display; and step S3, when a vehicle arrives at the entranceof the corresponding parking lot, automatically matching an appropriate parking space according to the detailed information of the selected parking lot and the vehicle information of the current vehicle, and outputting the appropriate parking space via the AR glasses for display. By adoption of the parking planning assistance method and system disclosed by the invention, the parking efficiency ofthe parking user can be improved.

The invention discloses a robot indoor positioning method and system based on an infrared distance measuring sensor. When a robot detects a determination instruction that a user selects the current indoor environment as the initial walking environment, position information of all positioning points on the current indoor ground and circumferential environment distance information corresponding to each position information are stored; environment distance information is obtained through the infrared distance measuring sensor by means of the unique of the certain circumferential environment distance information of the robot at different positions, and recognizing and positioning are achieved. Efficient indoor positioning of the robot is achieved, and the good robustness is achieved.

The invention discloses an indoor positioning method and an indoor positioning system based on ultra wideband (UWB) signal broadcast delay estimation, wherein the method comprises the following steps of: constructing a vector tao, confirming an array Se(tao), constructing an expanding array A, solving the expanding array A, performing delay estimation and performing indoor positioning. By the method, super resolution and constant performance in case of relevant signal sources can be obtained, and near time delay can be obtained in low sampling rate. The method can provide accurate indoor positioning.

The invention relates to an indoor positioning and navigation method based on laser SLAM, comprising the following steps: S1. Constructing an indoor global map using laser SLAM technology; The sub-area map divides the room into several sub-areas through the electronic fence; S3. The robot walks in the electronic fence and uses laser SLAM technology to build a local map, and searches for the matching sub-area map according to the local map and obtains the current position. Even if the building structure and the distribution of functional rooms in different indoor places are the same, the present invention can realize accurate indoor positioning and navigation.

The invention discloses an intelligent device for indoor positioning in a construction site and a control method thereof. The intelligent device comprises a connecting part for mounting the intelligent device on a construction robot body and a laser positioning and ranging part arranged at the lower end of the connecting part for mounting a laser transmitting and receiving device, wherein the connecting part and the laser positioning and ranging part are connected through a horizontal rotating mechanism; the connecting part is internally provided with a control center for controlling the laserpositioning and ranging part and the horizontal rotating mechanism to work; and the laser positioning and ranging part is provided with a pointing device for indicating and positioning the horizontaldirection of the intelligent device. In comparison with the existing positioning method, more accurate construction site indoor positioning can be provided; the laser ranging device is used for positioning without deploying additional sites, and the deployment is simple and convenient; and the device disclosed in the invention can be mounted on a construction robot and work together with the robot, and the automatic level and the intelligent level are high.

The embodiment of the invention discloses a visible light-based positioning method and a system, and a mobile terminal. The method comprises steps that: the mobile terminal acquires visible light given out by an indoor light source after modulation, wherein the visible light carries a position ID of the light source; and the mobile terminal carries out positioning according to the binding relation between the position ID and the position information of the light source. The position is judged according to a single signal, so an information processing process based on a positioning algorithm is omitted, thereby achieving rapid and precise indoor positioning. The mobile terminal can monitors electric quantity of a cell in real time, and adjusts acquisition parameters for acquitting the visible light according to the rest electric quantity of the cell, so energy consumption of the mobile terminal in a positioning process is effectively reduced and the cruising ability of the mobile terminal is extended.

The invention discloses a rail transit positioning and navigation method and system based on Bluetooth positioning and a rail transit positioning and navigation method. The rail transit positioning and navigation method comprises the following steps: S1, drawing a scene map according to an application scene of rail transit; S2, installing a plurality of Bluetooth beacons in an application scene ofthe rail transit; S3, collecting an RSSI signal of the Bluetooth beacon on site through the intelligent terminal; and S4, positioning the intelligent terminal according to the acquired RSSI signal, and marking a positioning result in the scene map. According to the invention, the plurality of Bluetooth beacons are installed in the application scene of the rail transit, and the intelligent terminal is positioned through the Bluetooth positioning algorithm, so that the positioning precision is improved, and more accurate indoor positioning of the rail transit is realized.

The invention provides an indoor positioning system comprising a tag positioning module and a positioning evaluation module. The tag positioning module is used for positioning an unknown position tag so as to acquire a positioning result. The positioning evaluation module is used for establishing an evaluation index to evaluate the accuracy of the positioning result. When the tag positioning module performs positioning on the unknown position tag, positioning of the unknown position tag is completed by using a known position tag and a reader. The tag positioning module comprises a signal intensity calculation unit, a tag distance solving unit and a position solving unit. The signal intensity calculation unit is used for calculating the receiving signal intensity of the known position tag and the unknown position tag on each reader. The tag distance solving unit is used for solving the distance between the signal receiving intensity of the unknown position tag and the signal receiving intensity of the known position tag. The position solving unit is used for solving the position of the unknown position tag. Relatively accurate indoor positioning can be realized by the indoor positioning system.

The invention belongs to the field of indoor positioning, in particular to an indoor positioning and motion tracking method combined with magnetic field and inertia and an implementation system, wherein the system includes a data collection front end and a data processing server back end; the data collection front end includes collecting magnetic field distribution characteristic information and acceleration angular velocity Information data acquisition module, storage control module for storing and preprocessing data, and data sending module for data sending; data processing service terminal includes receiving module, data processing module, local server database and location Real-time display module for information and sports information. The system positioning principle of the present invention is simple, and the present invention uses the characteristic parameters of the space magnetic field environment where the positioned target is located to perform database recording and matching and real-time motion inertia parameter calculation, and realizes indoor areas where satellite signals cannot be completely covered or coverage signals are poor position.

The invention provides an indoor positioning system comprising a tag positioning module and a positioning evaluation module. The tag positioning module is used for positioning an unknown position tag so as to acquire a positioning result. The positioning evaluation module is used for establishing an evaluation index to evaluate the accuracy of the positioning result. When the tag positioning module performs positioning on the unknown position tag, positioning of the unknown position tag is completed by using a known position tag and a reader. The tag positioning module comprises a signal intensity calculation unit, a tag distance solving unit and a position solving unit. The signal intensity calculation unit is used for calculating the receiving signal intensity of the known position tag and the unknown position tag on each reader. The tag distance solving unit is used for solving the distance between the signal receiving intensity of the unknown position tag and the signal receiving intensity of the known position tag. The position solving unit is used for solving the position of the unknown position tag. Relatively accurate indoor positioning can be realized by the indoor positioning system.

The invention discloses a multi-target precise intelligent positioning and tracking method suitable for supervision places, which includes the following steps: collecting signal strength information of points of interest in the positioning area, and preprocessing the signal strength information to convert it into conforming depth The format of the LSTM network model; extract the local features of the preprocessed data to obtain a richer information representation of the original data, and input the deep LSTM network model to train the model; collect real-time location information of the supervision site, and pre-process the information Processing, converting it into a format that conforms to the deep LSTM network model; input the preprocessed data into the trained deep LSTM network model, and send the output of the deep LSTM network model to the fully connected layer to obtain a more differentiated representation form; finally use the linear regression layer to get the final location map, and output the location information. The method disclosed by the invention can effectively improve the positioning accuracy and improve the positioning speed.

The application is applied to the technical field of power automation, and provides a power equipment three-dimensional positioning method and device. The power equipment three-dimensional positioningmethod comprises the following steps: separately obtaining the time when a first base station and a second base station receive an ultra-bandwidth signal sent by the power equipment; separately obtaining the time when a third base station and a fourth base station receive the ultra-bandwidth signal sent by the power equipment; separately obtaining the time when a fifth base station and a sixth base station receive the ultra-bandwidth signal sent by the power equipment; and calculating a first coordinate of the power equipment on a first coordinate axis, a second coordinate of the power equipment on a second coordinate axis, and a third coordinate of the power equipment on a third coordinate axis separately according to the time. According to the power equipment three-dimensional positioning method and device provided by the embodiment of the application, accurate indoor positioning of important power equipment in a substation is realized by setting an ultra-bandwidth signal base station in the substation; therefore, the important power equipment in the substation can be monitored in real time when a severe calamity occurs in the substation, such as an earthquake or a flood.

The invention discloses an audio-combined multi-sensing indoor positioning method, device, system and a storage medium. The positioning method comprises the steps that a comprehensive information processing platform obtains sensing data arranged in the indoor network nodes (the sensing data includes wireless signal, voice and / or human body sensing perception data); a 2D node graph is established based on sensing data; positioning and association setting are conducted on a voice collecting device and voice playing device corresponding to the sensing data of different areas based on the 2D node graph. The invention is advantageous in that the networking mode combining wireless signals, voice and human body sensing perception is adopted to achieve precise indoor positioning and precise small-range positioning; timely and orientation voice or display feedback can be realized by combining future intelligent voice interaction and application scene; the future indoor man-machine interaction experience can be enhanced.