49results about How to "Navigation implementation" patented technology

A combined navigation method for space vehicles based on multiple information integration belongs to automatic navigation methods of space vehicles. The navigation method includes the following steps of building a satellite motion state equation based on dynamics of orbits; building a satellite automatic navigation system based on X ray detector; building a satellite automatic navigation sub-system based on infrared horizon sensor and star sensor; building a satellite automatic navigation sub-system based on radar altimeter; building a satellite automatic navigation sub-system based on ultraviolet triaxial sensor; carrying through information integration processing on the output of the four sub-systems; outputting navigation information; adopting the detecting method of x<2> to detect the system that has a fault and insulating the faulty sub-system. The combined navigation method can realize automatic navigation with high precision of deep space detectors and has the advantages of high reliability and fault-tolerance capacity.

The invention provides an indoor robot navigation system and method. The system comprises a man-machine interaction device, a data collection device and a data analysis device; the man-machine interaction device receives terminal-point position coordinate and terminal-point position attitude information input by a user; the data collection device obtains preset position coordinate and present position attitude information, updates a local area map in real time, and obtains a corresponding second coordinate of a dynamic barrier in a 2D global static map via coordinate transformation; and the data analysis device generates a global reference path via a first algorithm, and plans an optimal speed vector of a robot in next time by utilizing a second algorithm to obtain the optimal speed vector, and thus, the robot moves according to the optimal speed vector. The indoor robot navigation system and method are higher in practicality.

The invention discloses a method for recognizing unknown roads in a current navigation map and carrying out navigation on the unknown roads. The method comprises the following steps: (1) collecting and extracting information of unknown roads: obtaining the initial driving track data through track collection, processing and analyzing the track data to extract the information of unknown roads, integrating the unknown roads into known roads, and providing the map for navigation; (2) carrying out navigation on unknown roads: after the information of unknown roads is obtained, calculating the navigation information (turn-around direction and turn-around distance) of unknown roads, combining realtime positioning, and matching the realtime position to the current unknown roads to realize realtime navigation. The provided method can extract the information of unlabelled roads, which exist on a navigation map, through historical tracks, conveniently navigates drivers on the unknown roads, avoids the phenomenon that the drivers are detoured or cannot reach the destination due to slow update of navigation map, and is suitable for the field of logistics distribution.

The invention provides a robot navigation method and system. The method includes the steps of: controlling a camera arranged on a robot according to a navigation instruction to obtain identification points around the robot; inquiring a preset map according to the surrounding identification points to determine the current position of the robot, wherein the preset map includes each navigation track and identification points on each navigation track; inquiring the preset map according to the current position and a target position of the robot to obtain a navigation track matched with the current position and the target position; and determining a moving direction and a moving path of the robot according to the current position and the navigation track, thereby enabling the robot to move to the target position according to the moving direction and the moving path, realizing navigation, avoiding arrangement of access point equipment of relatively high cost and construction transformation of a place, saving cost, and lowering a construction requirement of the place to which the robot navigation method is applied.

The invention discloses a comprehensive service navigation system, comprising a navigation client end device which is used for providing an operation interface of uniform navigation portal interface for leading the subscriber to access the service and content of the network television and by which the subscriber can gain the electronic program manual of the network television service, content and downloading of the ordered programs and carries out the bidirectional interaction service and additional service with a service navigation device, a portal navigation device which is used for gaining the service and content element data of the network television and generates uniform navigation portal interface according to the service and content element data of the network television and a service navigation device which is used for providing the service and content element data of the network television for the portal navigation device. The comprehensive service navigation system can realize the EPG, ECG and IPG service navigation at the same time, realizes the navigation of basic IPTV service and the navigation of additional services, and provides a uniform entrance for the subscriber to use the IPTV service and the additional service data.

The invention provides a motion track recording method and user equipment. Specifically, the motion track recording method includes: acquiring motion-related data of a user holding the user equipment by a sensor in the user equipment, wherein the motion-related data at least include: angular velocity and acceleration in the horizontal direction and vertical direction; calculating the motion direction and motion distance of the user at least according to the motion-related data; and recording the motion track of the user according to the motion direction and motion distance. The method and equipment provided by the invention solve the problem of navigation relying on electronic map, and can realize navigation without electronic map.

The invention discloses an integrated navigation method of a crab pond automatic working ship based on information fusion of a low-precision GPS, a laser ranging sensor and an orientation sensor, thereby realizing navigation of the crab pond automatic working ship. According to the navigation mode of the automatic working ship, an internal spiral path that starts with a certain point, is parallelto the pond embankment and is arranged at a certain travel interval is used. According to the invention, a low-precision GPS system determines the location of an inflection point of a navigation trackand a track course; an orientation sensor determines the motion direction of a current automatic working ship; and a laser ranging sensor determines a distance between the automatic working ship anda near-side pond embankment. On the basis of the distance between the working ship and the pond embankment, certain mathematical calculation is performed by combining a current course angle to obtaina difference between a current course angle and a desired course angle; an angle deviation value is introduced into a paddle wheel motor drive control system; a generated rotating speed difference between left and right paddle wheels is adjusted by a PD control method to realize the course controlling of the working ship, so that the navigation of the crab pond automatic working ship is realized.

The invention relates to a magnetic navigation device of a greenhouse operation platform, which utilizes a magnetic sensor to obtain a yaw signal and belongs to the technical field of agricultural operation machines. The magnetic navigation device comprises magnetic nails, an I-shaped support, magnetic signal acquisition devices and a microprocessor, wherein the magnetic nails are arranged on the ground along a walking route of the operation platform, the I-shaped support is fixed on the operation platform, the magnetic signal acquisition devices are respectively fixed on a front arm and a rear arm of the I-shaped support, and the microprocessor is fixed on a connecting rod in the middle of the I-shaped support and responsible for receiving and processing signals acquired from the magnetic signal acquisition devices, emitting a corresponding implementation command to the operation platform according to the processing result and controlling the operation platform to walk normally. The magnetic navigation device has low cost, strong anti-interference capacity and high practicality, and can greatly save the labor cost.

The invention provides a map construction method, device and equipment, a robot and a storage medium, the map construction method is applied to the robot, the robot is provided with a first sensor and a second sensor, a detection area of the first sensor comprises a ground area around the robot, and a detection area of the second sensor comprises an upper area of the robot. The method comprises the following steps that first detection data of the first sensor are obtained; second detection data of the second sensor are obtained; according to the first detection data and the second detection data, the environment map is constructed, the method for map construction based on the detection data of the surrounding ground and the upper portion of the robot collected by the two sensors arranged on the robot is achieved, robot navigation is carried out based on the map, no marker needs to be laid on the ground, the navigation cost is reduced, and based on comprehensive composition of detection data on the ground and above, the map contains richer feature information, so that the navigation efficiency and precision are improved.

The invention relates to a catheter system comprising a first, outer catheter (1) and a second catheter element contained in it, which can particularly be a guide wire (2). A respective active localizer (4, 5) is placed on the first and on the second catheter element (1, 2), for example sensors of a magnetic tracking system. The first catheter element (1) preferably has a fixing device (3), by means of which it can be fixed relative to the vascular system (7). If the guide wire (2) is, for example, to be navigated through a stenosis (6), the position of its localizer (5) relative to the localizer (4) is measured on the catheter element at rest (1), so that its position relative to the vessel (7) is known. Since interference factors such as organ movement balance each other during the measurement of the relative position of the localizers (4, 5), the navigation can be carried out with very high accuracy.

The invention discloses a navigation control method for a mobile terminal. The method includes the following steps of making the mobile terminal enter navigation when a navigation instruction is monitored, obtaining the navigation identification information, in the navigation process, of the mobile terminal in real time, and displaying the navigation identification information in the display area of the lateral side of the mobile terminal. The invention further discloses a navigation control device for the mobile terminal. Navigation can be achieved through the display area of the lateral side of the mobile terminal in the navigation process, and a main screen of the mobile terminal can be used for other functions.

The invention discloses an active auditory positioning method for map-free navigation. The active auditory positioning method comprises the following steps: 1) training a mobile robot navigation model on a simulation platform through a reinforcement learning method; 2) the mobile robot collects distance measurement information of the laser radar at the current moment according to a set time step length, and obtains auditory orientation information and pose information of a speedometer of the mobile robot based on a sound source of a target position; wherein the laser radar is carried on the mobile robot; and 3) inputting the distance measurement information, the auditory orientation information and the pose information into the mobile robot navigation model trained in the step 1) to deduce a speed instruction at the current moment, and navigating the mobile robot to a target position according to the speed instruction. According to the method, a more reliable and effective target positioning mode is adopted, and the method has high application value for map-free navigation of a real scene.

The invention relates to the technical field of vehicle navigation and discloses a service information processing method, device and system to navigate a vehicle according to service information while the service information is provided for a user. The method comprises the steps that service recommendation request information sent by the vehicle is received; service recommendation information conforming to the service recommendation request information is determined according to the service recommendation request information, and a navigation route is determined according to the service recommendation information; the navigation route is sent to the vehicle. The service information processing method, device and system are mainly applied to the vehicle navigation technology.

An embodiment of the invention discloses a navigation method and mobile terminals. The navigation method comprises: sending, by a first mobile terminal, a positioning request to a second mobile terminal; receiving, by the first mobile terminal, a feedback signal that the second mobile terminal sends according to the positioning request; determining, by the first mobile terminal, relative bearing and coordinates of the position of the second mobile terminal to the first mobile terminal according to a time difference of the received feedback signal and a preset mapping relationship between a time difference set and a coordinate set, wherein the time difference set includes at least one time difference, and the coordinate set includes at least one coordinate; generating, by the first mobile terminal, indicative information according to the relative bearing and coordinates, wherein the indicative information is used for indicating a navigation route from the first mobile terminal to the second mobile terminal. The navigation method and the mobile terminals have the advantage that effective and accurate navigation among mobile terminals can be achieved with no need for a GPS (global positioning system) mode.

The invention discloses rearview mirror box based double-screen driving prompting system and method. The system and method are that two screens are provided for performing driving prompting; a display screen of a rearview mirror box can be used for displaying an image of the whole environment, a driver can acquire the image of the whole running environment by observing the rearview mirror box, and the operation is convenient and fast; a vehicle-mounted host display screen is used for displaying a navigation image to achieve navigation so as to ensure the accuracy of the running route. With the adoption of the system and method, double prompting is achieved for driving, so that the accuracy of the running route can be ensured as well as the safety in running.

The invention discloses a navigation two-dimensional code generation method and a park navigation method and device. The navigation two-dimensional code generation method comprises the following steps: acquiring an overall planar graph of a park to be navigated; carrying out electronic coding on the overall plane graph to obtain three-dimensional coordinates of the park to be navigated; and generating a road sign two-dimensional code according to the three-dimensional coordinate, the position of the to-be-navigated park and the mark position in the to-be-navigated park. According to the method, the park plane graph is adopted, the plane graph is converted into the three-dimensional coordinates, and the three-dimensional coordinates of the mark position are extracted to generate the road sign two-dimensional code. Therefore, the user can realize navigation in the park through the road sign two-dimensional code containing the specific position, and the technical problem that the navigation cost in the park is relatively high through an existing RFID network is solved. In addition, by means of the generated road sign two-dimensional code, a map system can be used for positioning to the park, navigation in the park can be achieved, and the use experience of a user is improved.

The invention discloses an indoor substation unmanned aerial vehicle visual navigation system and method. The system comprises a forward binocular perception module and a downward binocular perceptionmodule which are connected with an unmanned aerial vehicle flight control end. The flight control terminal comprises: a path planning unit configured to obtain a binocular image in real time throughan unmanned aerial vehicle forward visual perception module in the flight process of the unmanned aerial vehicle, construct a depth map, and perform path planning based on the depth map; and a visualodometer unit which is configured to acquire an image in real time through the downward visual perception module and calculate the current mileage of the unmanned aerial vehicle in the flight processof the unmanned aerial vehicle. Obstacle avoidance and path planning can be achieved only through a local map, and the operand is greatly reduced; and through multiple identification codes, accumulated errors in the unmanned aerial vehicle positioning process can be conveniently corrected in time.

The invention discloses a blind person guiding device. The blind person guiding device comprises a laser detecting instrument array, a GPS, a controller, a voice prompting device and an alarm device, wherein the output end of the laser detecting instrument array and the output end of the GPS are both connected with the input end of the controller, and the output end of the controller is connected with the input end of the voice prompting device and the input end of the alarm device; the laser detecting instrument array comprises a plurality of laser detecting instruments arranged at different angles, and the output ends of all the laser detecting instruments are connected with the input end of the controller. Guiding of blind persons can be achieved through the blind person guiding device.

The invention relates to a floating wharf signal lamp indication method and system, an intelligent terminal and a storage medium. The method comprises the steps of: judging whether a target ship is in a berthing waiting state or not; if the target ship is in the berthing waiting state, obtaining relative distance information between the target ship and the floating wharf; judging a relationship between the relative distance information and first preset distance information; if the relative distance information is greater than first preset distance information, controlling a navigation lamp to irradiate a target ship; and if the relative distance is smaller than first preset distance information, controlling an indicating lamp to indicate a berthing area of the target ship to wait for berthing of the target ship. The method and system have the effect of improving the accuracy of indicating the ship by the signal lamp on the floating wharf.

The invention provides a navigation method and device, which are applied to a mobile terminal. The method comprises the following steps of: obtaining a group of position information input by a user, the position information comprising a starting point position, a transfer position and an end point position; determining a first target navigation route and at least one first target travel mode according to the starting point position and the transfer position; and determining a second target navigation route and at least one second target travel mode according to the end point position and the transfer position. According to the invention, comprehensive navigation can be realized for travel by a plurality of vehicles such as automobiles and transportation mode transfer.