15 results about "Mobile navigation" patented technology

The invention discloses a mobile navigation method and device of a robot constructed based on a map, terminal equipment and a storage medium, and belongs to the technical field of robot navigation. The method comprises the following steps: acquiring an exhibition hall navigation map, odometer data, real-time laser point cloud data and end point coordinates of an exhibition hall; generating a global path to enable the robot to move along the global path; when the robot moves, clustering analysis is carried out on real-time laser point cloud data, and the shortest distance between the robot and an obstacle is obtained; if the shortest distance is smaller than a first preset distance threshold value, the robot is made to stop moving; if the shortest distance is not smaller than a first preset distance threshold value and smaller than a second preset distance threshold value, the robot is made to detour along the side, with the largest width, of the channel; and if the shortest distance is not less than a second preset distance threshold, generating a regression transition path to optimize the current global path. By implementing the invention, the problem that the accuracy and the intelligent level of the existing navigation method are insufficient can be solved.

The application discloses a kind of mass geophysical prospecting data storage retrieval and drawing method in mobile terminal map under offline state, it includes: (1) mobile terminal geophysical prospecting data is stored using embedded relational database sqlite, and table is respectively built according to project, view level;(2) when map program runs, according to the level of map display, view range, project authority in lower level, retrieve, render data in the data table of corresponding level;In high level range, only render all line data that meet the conditions according to project authority;(3) when user carries out map zooming, moving operation each time, first retrieve operation of geophysical prospecting data is carried out, according to the result of retrieval, drawing is carried out in batch in different layers;(4) the default map range of first opening of map application is controlled.The application can bring very intuitive efficiency improvement to construction planning management, vehicle mobile navigation, efficient production organization of geophysical prospecting project, the prospect is very broad, and it has very important significance.

The application provides a multi-target waypoint planning method and system fusing an improved A* algorithm and an SPFA algorithm, and the method mainly comprises the following steps: a mobile navigator rasterizes the surrounding environment, and calibrates a target point set and a starting point of the navigator to simulate a task scene; a distance value calculation of the starting point to the target point is performed through construction of the improved A* algorithm; a negative edge weight map with point priority, direction and without negative loop is established through fusion of the improved A* algorithm and the SPFA algorithm, and the best waypoint order can be obtained according to the point priority in the negative edge weight map; the navigator moves according to the waypoint order to traverse the task target points, and global path planning and local path planning algorithms are realized. Through the application, a large number of path points and inflection points are reduced, the total path length is shortened, the total path cost is reduced, the overall efficiency is improved, and a reasonable and fast feasible path is planned in a multi-target waypoint task in a complex environment.

The invention relates to a voxel-based navigation agent framework construction method, which comprises the following steps of: 1, constructing a path planning framework based on a live event: capturing multi-dimensional situation information for a live environment, quickly collecting environment change, fusing mass heterogeneous data of a multi-element and multi-dimensional sensor, and constructing a path planning framework based on the live event; constructing a panoramic semantic map and an updating mechanism oriented to maneuvering navigation, and realizing a path planning analysis and decision algorithm; and 2, packaging a path navigation agent: constructing the path navigation agent based on a path planning algorithm framework, and driving to complete a complete navigation link closed loop. The problem that the navigation technology facing large-scale and complex scenes is difficult to express in the three-dimensional space of the scene, especially in the aspects of precision and integrity is solved, the navigation provided by the invention does not depend on fixed road network data, can be used in any complex scene, can identify tiny obstacles, and can be applied to the field of navigation. The optimal global maneuvering route can be calculated according to the maneuvering characteristics of the vehicle, and the on-board guidance can be carried out according to the real-time information.

A system includes personal protective equipment (PPE) configured to be worn by an agent. The PPE includes a sensor assembly configured to generate sensor data including one or more of motion data, heading data, and inertial data. The system also includes at least one computing device configured to receive the sensor data from the sensor assembly. The at least one computing device is also configured to generate pose data of the agent based on the sensor data in response to a series of movements by the agent away from an arrival point. The pose data includes an agent location, an agent heading, and a movement activity type for each pose in a series of poses. The at least one computing device is further configured to generate a navigation path based on the pose data.

A mobile device establishes an indirect network connection to a User Interface (UI) agent of a terminal. The indirect connection managed as a mobile navigational control session maintained through a server or through the server and a proxy. A keyboard widget / object and a navigation-selection widget / object are rendered within a mobile screen on a display of the mobile device. During the session, a user interacts with the keyboard and / or navigation-selection widgets and corresponding UI key events are forwarded to the UI agent. The UI agent provides the UI key events as Human Interface Device (HID) key events to the terminal causing a transaction interface to update transaction screens being rendered on a transaction display of the terminal during a transaction. The user conducts the transaction at the terminal without touching the transaction display and controls the transaction screens for the transaction via the keyboard and navigational widgets from the mobile device.

This invention provides a method for autonomous mobile navigation path planning in an ICU, relating to the field of path planning technology. The method includes: acquiring patient tags, task identifiers, and intervention records in an ICU disaster scenario; extracting task time series and analyzing frequency characteristics; filtering passage segments and matching time windows; identifying equipment overlap and operational conflicts; extracting remaining tasks to generate a scheduling sequence; rearranging path nodes and integrating task levels; and generating a navigation path segment sequence. In this invention, by extracting task time features and spatial states, priority task points are generated and passable paths are filtered. This adapts to the high density of ICU beds and path compression in disaster scenarios. Resource conflicts are identified by combining equipment usage records and node spatial relationships to avoid task overlap. A scheduling sequence is constructed based on task stagnation status, improving path adjustment efficiency and enhancing the robot's ability to respond to unexpected tasks and the continuity of path execution.

A navigation system for guiding a target user, comprising: a user tracking module arranged to track a movement of the target user; a navigation vehicle arranged to guide a target user to move toward a predetermined destination through a trajectory relative to a movement of the tracked target user; wherein the user tracking module is arranged to track movement of the target user from a leading location relative to the tracked target user moving in the forward direction.

The invention discloses an intelligent self-service door-to-door recycling bin, and belongs to the technical field of resource recycling. According to the technical scheme, the intelligent self-service door-to-door recycling bin comprises a bin body module, a mobile navigation module, an intelligent interaction module, a weighing and settlement module, a dangerous goods recognition module and a cloud scheduling system; wherein the cloud scheduling system is used for receiving a recovery demand of a user, scheduling a target recovery box and issuing an instruction containing a navigation path; the mobile navigation module is used for responding to the instruction and driving the recycling bin to automatically move from the intelligent base station to a position appointed by a user, so that indoor and outdoor navigation switching and elevator interaction are realized; according to the system, the autonomous door-to-door service of the recovery box is realized through the cloud scheduling system, the safe and efficient recovery process is completed in combination with the dangerous goods identification and real-time settlement module, and the system has the advantages of improving delivery convenience, guaranteeing recovery safety, realizing process automation and reducing operation cost.

A mobile device establishes an indirect network connection to a User Interface (UI) agent of a terminal. The indirect connection managed as a mobile navigational control session maintained through a server or through the server and a proxy. A keyboard widget / object and a navigation-selection widget / object are rendered within a mobile screen on a display of the mobile device. During the session, a user interacts with the keyboard and / or navigation-selection widgets and corresponding UI key events are forwarded to the UI agent. The UI agent provides the UI key events as Human Interface Device (HID) key events to the terminal causing a transaction interface to update transaction screens being rendered on a transaction display of the terminal during a transaction. The user conducts the transaction at the terminal without touching the transaction display and controls the transaction screens for the transaction via the keyboard and navigational widgets from the mobile device.

The application discloses a mobile navigation beacon convenient to deploy. It comprises a lower pole body and an upper pole body fixed on the upper end of the lower pole body, the lower pole body is a hollow structure, and a float is fixed on the outer side of the upper end of the lower pole body, an inside of the float is provided with a winding drum and a pulley assembly, the winding drum is provided with a traction rope, the upper end of the lower pole body is provided with an opening, the outer end of the traction rope is arranged around the pulley assembly, the outer end of the traction rope is arranged into the lower pole body from the opening and is arranged out of the lower end of the lower pole body, the outer end of the traction rope is fixedly connected with a magnet, and the upper end of the upper pole body is fixed with an AIS position reporting terminal. The magnet is used for fixing the traction rope on a sunken ship, the float is arranged to keep a floating state, the AIS position reporting terminal is kept on the upper side of the sunken ship, the position of the sunken ship is collected and sent, and the position early warning of the sunken ship is realized.

The utility model relates to a mobile intelligent sample storage system which comprises at least one host used for storing and taking biological samples; the at least one storage container is arranged outside the host and is used for low-temperature storage of biological samples; the mobile navigation assembly is arranged on the host and / or the storage container and is used for realizing free movement of the host and the storage container; the lifting butt joint assembly is arranged on the host and / or the storage container and used for achieving butt joint or separation of the host and the storage container. The mobile intelligent sample storage system provided by the utility model aims to overcome the defects in the prior art, and is high in automation degree and convenient to operate.

A system includes personal protective equipment (PPE) configured to be worn by an agent. The PPE includes a sensor assembly configured to generate sensor data including one or more of motion data, heading data, and inertial data. The system also includes at least one computing device configured to receive the sensor data from the sensor assembly. The at least one computing device is also configured to generate pose data of the agent based on the sensor data in response to a series of movements by the agent away from an arrival point. The pose data includes an agent location, an agent heading, and a movement activity type for each pose in a series of poses. The at least one computing device is further configured to generate a navigation path based on the pose data.

The application provides a kind of autonomous navigation and obstacle avoidance system based on deep learning, comprising the following steps: S1, the monocular image is carried out semantic segmentation, so as to segment the obstacle and determine the water boundary, and detect the distance between the ship and the obstacle;S2, the semantic segmentation result is transmitted to semantic point cloud, to generate driving recommendation map;S3, global path planning is carried out through global positioning system GPS, the absolute position of the ship is positioned, and local path planning is carried out;S4, the fastest path and the shortest path of the ship are designed through local path planning;S5, the deep learning model is trained through semantic point cloud, the ship motion planning is carried out through deep reinforcement learning, and then the turning and speed of the ship are controlled, to realize the autonomous movement navigation of the ship.In the present application, depth reinforcement learning is used to control the steering engine to turn the rudder to the correct direction.In addition, global and local path planning can find the best route and the shortest and safest path.

This invention discloses a modular mobile robot system and its control method based on master-slave collaboration, belonging to the fields of intelligent robots and mobile charging technology. The system aims to solve the problems of insufficient battery life and lack of autonomous mobile interaction capabilities in existing mobile terminals. The system includes an intelligent mobile terminal as the master device, an intelligent mobile chassis as the slave device, and a support assembly connecting the two. The three components form a master-slave collaborative architecture through a hybrid magneto-electric interface and wireless communication: the intelligent mobile terminal is responsible for advanced decision-making and visual processing, the intelligent mobile chassis is responsible for autonomous mobile navigation and multi-degree-of-freedom pose adjustment, and the support assembly is responsible for physically connecting the intelligent mobile terminal and charging it. This invention also provides multiple control methods based on this system, including a follow-charging mode, a follow-talking mode, a follow-shooting mode, and a mobile monitoring mode. The system can autonomously plan paths and adjust the terminal's posture according to user commands or environmental perception information, realizing functions such as mobile charging, intelligent following, dynamic shooting, and remote monitoring, greatly expanding the application scenarios and interactive experience of intelligent terminals.