320 results about "Navigation function" patented technology

The invention discloses a wireless charging method for an unmanned aerial vehicle group, and the main points of the technical scheme are that the method comprises the following steps: S1, integrating a wireless charging receiving module, a communication module and an electric quantity monitoring module on each unmanned aerial vehicle; s2, when the electric quantity of a certain unmanned aerial vehicle is lower than a preset threshold value, the unmanned aerial vehicle sends a charging request to a nearby unmanned aerial vehicle and / or a charging base station through a communication module; s3, the charging scheduling system selects an optimal charging source (unmanned aerial vehicle or charging base station) and a charging path through an intelligent scheduling algorithm according to the real-time position, the electric quantity and the flight task state of the unmanned aerial vehicle group; s4, the unmanned aerial vehicle receives electric energy from the selected charging source through the wireless electric energy transmission technology, and charging is completed; according to the wireless charging method, efficient charging of the unmanned aerial vehicle group is supported, the optimal charging position is intelligently selected through the automatic moving charging base station, the wireless charging module adapts to different flight attitudes, the collision risk is reduced through the dynamic navigation function, and stable operation in various environments is ensured.

The invention discloses an autonomous navigation method for an unmanned vehicle in a complex outdoor environment, and the method comprises the steps: firstly, collecting data through a depth camera, a laser radar and other multi-source sensors, and carrying out the precise detection of dynamic obstacles and low obstacles through a multi-detector fusion algorithm and a visual language model; secondly, adopting a sector region multi-index waypoint sampling and optimization strategy to realize local path planning; and finally, designing a check point self-adaptive correction mechanism, and automatically planning a new substitute waypoint when the key check point is occupied by the obstacle for a long time. The method effectively solves the problem that the traditional navigation method is difficult to give consideration to dynamic obstacle sensing, low obstacle sensing and unreachable check points at the same time, and realizes the efficient and safe autonomous navigation function of the unmanned vehicle in a complex outdoor environment.

A method of operating a robot in a manner to avoid obstacles is disclosed. The robot is any type of following vehicle, configured to follow a leader. As the robot identifies a potential collision, specific actions are initiated to avoid such a collision while still following the leader, albeit not on a standard following path. Based on the following robot determining that the following robot is clear of the obstacle, the following robot will begin returning to the standard following position. As the robot returns to the standard following path, the specific action is completed and standard following continues. The robot may use various sensors to determine variables of the robot and obstacle, such as convergence velocity, collision distance, available space, and collision time.

The invention provides an automobile lamp control system and method based on DLP projection, and relates to the technical field of automobile lamp projection control. Comprising a vehicle-mounted camera module, a navigation module, a vehicle-mounted controller, a millimeter-wave radar module and a DLP photographing module, the vehicle-mounted camera module is used for capturing gesture information and sight line information of a driver in real time; an image processing module and a control module are integrated in the vehicle-mounted controller; the image processing module is used for analyzing and recognizing the received gesture information and sight line information of the driver; the millimeter-wave radar module is used for detecting vehicle surrounding environment information; the navigation module is used for sending navigation information to the control module when a vehicle starts a navigation function; the control module is used for carrying out fusion processing on the received information based on a preset algorithm, a rule base and a gesture base, generating a control instruction corresponding to the information and sending the control instruction to the DLP photographing module. The driving safety is improved, the interaction convenience is enhanced, and the information display is optimized.

The invention relates to the technical field of satellite conduction integration, and discloses a high and low orbit satellite conduction integration method and system, and the method comprises the steps: carrying out the spatial characteristic analysis of a high orbit navigation satellite signal and a low orbit communication satellite signal, and obtaining visible relation data and Doppler frequency shift characteristic data; executing high-orbit and low-orbit satellite conduction switching analysis, and generating a self-adaptive threshold parameter of conduction service switching between the high-orbit and low-orbit satellites; a high-orbit and low-orbit integrated inter-satellite communication network is established between the high-orbit navigation satellite cluster and the low-orbit communication satellite cluster; conducting resource collaborative allocation is executed, and a resource scheduling instruction is generated; according to the method, deep integration of communication and navigation functions is realized, the limitation of function separation of a traditional satellite system is broken through, and the problem of unstable control caused by dynamic change of network topology of the high-orbit and low-orbit satellites is solved.

The invention discloses a hotel guest room service task intelligent scheduling system based on a cloud platform, and relates to the technical field of hotel service management, the intelligent scheduling system comprises a mobile client, a cloud server and a database system; and the mobile client is used for configuring a special mobile application program running on mobile equipment such as a smart phone or a tablet personal computer for hotel guest room service personnel. According to the intelligent hotel guest room service task scheduling system based on the cloud platform, service personnel can quickly respond to service requirements through real-time task pushing and mobile operation, the task waiting time is shortened, the moving speed of the service personnel is increased through positioning and navigation functions, the service response time is shortened, and the service efficiency is improved. Through detailed recording and picture and video uploading in the service process, service quality tracing and supervision are facilitated, weak links of the service process can be found and improved through data analysis, in addition, special requirements of guests are met through personalized service recommendation, and the satisfaction degree of the guests is improved.

A Global Navigation Satellite System (GNSS) receiver receives band-limited composite signals corresponding to respective satellites in the GNSS. The composite signal is composed of a direct path signal and a multipath signal. For chip edge hopping of a pseudo-random code, the receiver obtains correlation samples (I (t) samples and Q (t) samples) of the composite signal and compares them with predetermined filter characteristics (SR (t) samples) corresponding to a filter for band-limiting the composite signal. Based on the comparison, the receiver determines a phase and / or a response time error of the chip edge hopping due to the multipath signal. The receiver adjusts a pseudo-range measurement for the respective satellite and / or adjusts a carrier phase measurement for the respective satellite in accordance with the determined and / or adjusted pseudo-range measurement for the respective satellite. The receiver performs a navigation function using the adjusted pseudo-range and / or carrier phase measurements for the respective satellites.

The invention belongs to the technical field of equipment early warning, and particularly relates to a multi-source information fusion real-time monitoring and data analysis method and system, and the method comprises the steps: achieving the automatic recognition and data collection, remote assistance and support, and intelligent path planning and navigation functions in the inspection process of a chemical device, so as to standardize the inspection process; the inspection efficiency and the result accuracy are improved; establishing a chemical device image recognition model, collecting and preprocessing chemical device image data, performing model training by using a convolutional neural network deep learning model, and deploying the model to actual equipment; an abnormal feature extraction algorithm is developed, the operation state of the equipment is monitored in real time in combination with an intelligent early warning and processing system, early warning is quickly given out, and corresponding processing measures are taken; by adopting the anomaly detection and classification technology, an anomaly detection algorithm is realized, an efficient alarm information transmission mechanism and an intelligent alarm information processing system are developed, and an alarm information feedback and closed-loop management mechanism is established, so that the accuracy and timeliness of anomaly detection are improved.

The invention discloses a line-driven continuum arthroscope with a navigation function, and relates to the field of surgical equipment, the line-driven continuum arthroscope comprises an arthroscope arm part, the head end is provided with a plurality of channels arranged along the length direction, the channels are uniformly arranged along the circumferential direction of the arthroscope arm part, driving ropes are arranged in the channels, and the peripheral surface of the arthroscope arm part is provided with a dent structure; the image acquisition part is arranged at the tail end of the glasses arm part, and the image acquisition part comprises a tracker; the positioning system is in signal connection with the tracker, and the positioning system is connected with the driving rope through a driving mechanism; according to the arthroscope, the position of the image acquisition part can be automatically adjusted through control of the driving rope and the driving mechanism, the position of the image acquisition part is determined through the tracker, and the position of the image acquisition part can be automatically adjusted in cooperation with other surgical instruments and model reconstruction of preoperative CT and intraoperative positioning of a patient. Patient information such as anatomical structure point locations is rendered and displayed under the view of the image acquisition part, and view augmented reality navigation is achieved.

The invention discloses an ultrasonic detection blind guiding stick control system, and particularly relates to the technical field of blind guiding sticks, the ultrasonic detection blind guiding stick control system comprises a blind guiding stick, the blind guiding stick comprises a stick rod and a handle, the handle is internally provided with a CPU, a Beidou navigation module, a Bluetooth transceiver module and a sound reminding module, and the side edge of the handle is further provided with a switch button; a storage battery is arranged in the stick rod, and an ultrasonic transmitter and an ultrasonic receiver are arranged at the bottom of the stick rod. The ultrasonic detection blind guiding stick control system is combined with the smart phone, so that a more accurate and intelligent navigation function can be realized. The ultrasonic detection technology can detect surrounding obstacles in real time, it is ensured that a user of the blind guiding stick is prevented from being collided, and travel safety is improved. Meanwhile, through connection with the mobile phone, the system can feed back data detected by ultrasonic waves to the mobile phone application in real time, and more comprehensive path planning and navigation support are provided for the user in combination with the functions of map navigation, voice prompt and the like.

The embodiments of the present disclosure relate to the field of intelligent warehousing. Provided are a path planning method, apparatus and system. The method comprises: a first device receiving an autonomous navigation area sent by a second device; determining whether an initial path is within the autonomous navigation area, the initial path being a path planned by the second device for the first device to execute a first movement task; and when the initial path is within the autonomous navigation area, enabling an autonomous navigation function and executing autonomous navigation, wherein the end position of the autonomous navigation is the destination of the first movement task.

The invention discloses an AR scene rapid deployment method based on a semantic map, and relates to the technical field of AR scene deployment, and the method comprises the steps: S1, semantic map construction: collecting three-dimensional point cloud data, color image data and depth information of a real scene through a laser radar and an RGB-D camera, inputting a deep semantic segmentation network to identify semantic categories of objects and areas in the scene; the scene is monitored and analyzed in real time through the deep semantic segmentation network, dynamic changes in the scene can be captured in time, the space labeling strategy is automatically adjusted according to the semantic understanding result, it is ensured that AR virtual information is always matched with the real environment, the accuracy of the functions such as AR navigation is ensured, and by recognizing semantic requirements of different AR applications, the real-time performance of the system is improved. According to the technical scheme, the annotation resources and key points are intelligently allocated according to the requirements, the adaptive space annotation scheme is generated, the pertinence and efficiency of AR scene deployment are remarkably improved, and the AR scene can quickly respond to the application requirements of different fields.

The invention discloses a handicapped friendly smart home system based on an AI large model, and the system comprises the following modules: a voice control module which is used for receiving and analyzing a voice instruction of a user through the voice recognition and natural language processing technology, and generating a corresponding control signal; the visual auxiliary module is used for collecting environment information through a camera and a sensor, performing object recognition, text reading and environment perception in combination with an AI large model, and providing real-time assistance for visually impaired people; the automatic task module is used for automatically executing control tasks, including light adjustment, temperature control, music playing and the like, of the household equipment according to the behavior mode of the user and a preset condition; the health monitoring module is used for collecting health data of a user through a sensor, performing data analysis in combination with an AI large model, and giving an alarm under an abnormal condition; and the barrier-free navigation module is used for providing an intelligent navigation function for the physically handicapped people through an AI technology and helping the physically handicapped people move freely at home.

The invention provides an intelligent hospital guide system and method based on AR vision and voice navigation. The intelligent hospital guide system comprises a user interaction layer, a technical support layer, a data and background layer, a third-party service layer and a hardware dependence layer. According to the intelligent hospital guide system based on AR vision and voice navigation, accurate navigation is achieved, a barrier-free road is guided, through the advanced AR vision navigation technology, the APP provides an accurate and errorless navigation path for a patient, the possibility of navigation errors is greatly reduced, virtuality and reality are seamlessly fused, and the intelligent hospital guide system based on AR vision and voice navigation has the advantages of being high in practicability and the like. The patient can walk on a familiar map in a hospital, and each step is full of confidence; the voice navigation function brings unprecedented convenience to the user, and especially for the visual impairment, the old or the users with inconvenience in hands, the service is as an intimate guide to lead the visual impairment, the old or the users with inconvenience in hands to easily shuttle to all corners of a hospital and enjoy barrier-free medical experience.

The invention provides a split type automobile data recorder for video acquisition, processing and storage. The driving record camera is connected with a processor of the radio system, and the USB flash disk is connected with a USB interface end of the radio system and used for storing driving record data. The emergency video recording function is triggered based on a vehicle acceleration signal and / or a yaw velocity signal acquired through a vehicle machine CAN line. And video watermark superposition is carried out based on a vehicle speed signal and / or a light state signal acquired through a vehicle machine CAN line. And the voice module of the radio system is used for realizing the recording and photographing voice control functions of driving records. And the wireless transmission function of the driving record data is realized through the WIFI module of the radio system. And an E-Call battery is used as a standby power supply, so that the power-off protection function of the automobile data recorder is realized. And the AR navigation function is realized by using vehicle map software. Only one driving recording camera needs to be installed independently, and then the national standard requirement can be met by utilizing existing equipment resources of the vehicle.

Embodiments are directed to improving blended GNSS / inertial navigation system tolerance to external GNSS interference. A plurality of RF nulling circuits is coupled to at least two antennas and to the inputs of dual GNSS-receivers. The RF nulling circuits provide phase shift configuration data from RF signals input from the antennas to a virtual antenna position estimator. The virtual antenna position estimator determines virtual antenna positions based on the physical antenna position and the phase shift configuration data from each RF nulling circuit. The virtual antenna position estimator then provides the virtual antenna positions to a navigation system for determining at least one navigation parameter of the vehicle.

The invention relates to the technical field of medical auxiliary instruments, in particular to an arthroscopic surgery electromagnetic navigation robot which comprises an operating bed, a first robot and a second robot are arranged on one side of the operating bed, an electromagnetic generator assembly is installed on the operating bed, and a guide needle is detachably installed at the movable end of the first robot; an electromagnetic receiver is installed on the guide pin, and an ultrasonic imaging assembly is installed at the movable end of the second robot. According to the invention, the robot is used for replacing people for operation, and a part with a navigation function is arranged, so that the operation can be more accurately implemented and completed.

The invention belongs to the technical field of overwater floating bridges and marine traffic, and provides a cross-sea floating bridge and a standardized modular intelligent control system thereof.The cross-sea floating bridge comprises a plurality of bridge body modules, inverted-U-shaped floating boxes, separated water cabins, standby buoyancy bodies, suspension anchor hammers, sealed air flow guide pipes, flow guide pipe power generation modules and breakwater power generation modules; the bridge body module comprises a railway bridge deck module, a highway bridge deck module and a living platform bridge deck module. The structural composition of the cross-sea floating bridge is provided, the modular assembly of the cross-sea floating bridge is configured, and based on the modular assembly, the navigation function of the cross-sea floating bridge is controlled, the bridge body suspension of the cross-sea floating bridge is intelligently controlled, and the power generation function of the cross-sea floating bridge is intelligently controlled. Intelligent configuration management is carried out on expansion application of the cross-sea floating bridge, modular intelligent control over the cross-sea floating bridge can be achieved, and powerful support is provided for stable function exertion of the cross-sea floating bridge.

To provide: a time division control signal generation device that is used in a restriction cancellation device for a television viewing function of an in-vehicle display device that allows a vehicle navigation function and a television viewing function to be used simultaneously; and a television viewing restriction cancellation method using the same.SOLUTION: The time division control signal generation device of the present invention generates a time division control signal in which a preset television analog signal, which persists for a television signal time T1 during which a television signal can be received to allow television viewing, and a vehicle speed analog pulse signal, which persists for a navigation time T2 during which a navigation device can operate, are alternately repeated. The device calculates the current vehicle speed in real time, and, based on the calculated current vehicle speed, includes the number of pulses corresponding to the distance to be traveled within the sum of the television signal time T1 and the navigation time T2 that is for the nearest future from the time of generation.SELECTED DRAWING: Figure 2

The invention discloses an intelligent driving recognition system and method based on deep learning, and relates to the technical field of automatic driving and intelligent cockpit display, the system comprises a data acquisition and providing module, a neural network model module, a data post-processing and fusion module, a graphic rendering and control module and a display module, and RGB images and three-dimensional point clouds are acquired, so that the three-dimensional point clouds can be obtained; the method comprises the following steps: executing pixel-level semantic segmentation by using a hybrid neural network combined with a residual block, generating a drivable area and an obstacle mask, performing coordinate registration on point cloud by a system, screening and aggregating obstacle point cloud clusters by using a segmentation result, executing time sequence filtering processing on a road boundary based on an Euclidean distance, and generating stable boundary information. A graphics rendering module generates a geometric model accordingly. According to the invention, the problems of boundary jump identification and non-standard obstacle rendering distortion are solved, the display of driving, parking and navigation functions is realized, and the precision and interactive experience of intelligent driving perception are improved.

The invention provides an unmanned ship parameter identification method and device based on multi-modal deep learning. The method comprises the steps of obtaining multi-modal unmanned ship sea condition parameters; processing the multi-modal unmanned ship sea condition parameters by using an intelligent representation learning model based on a convolutional neural network to obtain multi-modal feature information corresponding to the multi-modal unmanned ship sea condition parameters; adopting explicit definition and multi-modal feature information to determine contribution information and complementary information of the multi-modal unmanned ship sea condition parameters in different tasks; and a feature weighting algorithm is adopted to perform fusion processing on the features of high information gain in the contribution information and the complementary information to obtain fused multi-source data corresponding to the multi-modal unmanned ship sea condition parameters, so that a large and medium unmanned ship safe navigation design criterion under the extreme sea condition can be formed, and the safety of the unmanned ship is improved. And rapid verification and iteration of safe navigation function design and performance index calculation of the unmanned ship under the extreme sea condition are realized.

The present invention relates to a robot visual language navigation method suitable for real indoor environments, comprising the following steps: obtaining environmental information and panoramic images; constructing a two-dimensional grid map of the real indoor environment and converting the continuous indoor environment into a discrete map; generating path-command pair training samples and extracting image feature information from the panoramic images, and constructing a visual language navigation dataset for the real indoor environment based on the two; constructing a visual language navigation model that receives language commands and current environmental information commands and outputs the next action selection at the current moment; performing transfer training on the visual language navigation model using the visual language navigation dataset as training data; and implementing the deployment of the visual language navigation function on a robot based on the ROS system. Compared with existing technologies, the present invention has the advantages of being applicable to indoor environments, significantly improving the success rate of visual language navigation tasks for robots in indoor environments, accelerating network model training, and having strong applicability.

The present invention discloses a riding device with lighting and navigation functions. The key points of the technical solution are as follows: it includes a main body and a fixing device. The main body includes a navigation device and a lighting device which are cooperatively arranged. The navigation device includes a first housing, a navigation module, a first connecting part, and a display screen arranged at the opening of the first connecting part. The lighting device includes a second housing, a lighting module, a second connecting part, and a lamp shade. The first connecting part and the second connecting part are detachably and cooperatively arranged. The fixing device includes a housing frame, a cavity arranged on the housing frame, and a fixing strap that cooperates with the housing frame. The navigation device and the lighting device can be respectively embedded into the cavity for cooperative fixing. The purpose of the present invention is to provide a riding device with lighting and navigation functions, which can be conveniently installed and disassembled on the vehicle frame, and can store power with a rechargeable battery to ensure long-term navigation work.

Systems and methods use cameras to provide autonomous navigation features. In one implementation, a method for navigating a user vehicle may include acquiring, using at least one image capture device, a plurality of images of an area in a vicinity of the user vehicle; determining from the plurality of images a first lane constraint on a first side of the user vehicle and a second lane constraint on a second side of the user vehicle opposite to the first side of the user vehicle; enabling the user vehicle to pass a target vehicle if the target vehicle is determined to be in a lane different from the lane in which the user vehicle is traveling; and causing the user vehicle to abort the pass before completion of the pass, if the target vehicle is determined to be entering the lane in which the user vehicle is traveling.

This invention relates to the field of control methods for public transportation equipment, specifically to a control method for LED wall washer lights for driver fatigue wake-up in long tunnels. The method includes: calibrating driver fatigue-sensitive sections in each spatial unit of the entire tunnel and completing alignment; updating the vehicle's spatial unit and collected parameters in real time to classify the driver's real-time fatigue state; generating a fatigue wake-up light signal encoding parameter set for the vehicle corresponding to the current driving tracking ID, the current fatigue state, and the current spatial unit; and driving the wall washer lights to generate optical flow signals according to the set parameters. This invention constructs an optical flow signal framework deeply bound to the driving state, simultaneously achieving both fatigue wake-up and directional navigation functions. It also binds the driver's real-time fatigue state classification to a stepped stimulation level, ensuring that the optical flow signal only acts on the surrounding visual area corresponding to the tunnel sidewall, without interfering with the driver's observation. This spatial distribution eliminates the interference of dynamic lighting on normal driving observation.

The application relates to the technical field of high-speed intelligent management and control, in particular to an intelligent management and control system and method for highway occupation operation, wherein the intelligent management and control system comprises a layout calculation agent and a dynamic monitoring agent; the layout calculation agent can output field layout information and obtain an initial position p1 of safety facility arrangement; the layout calculation agent further comprises a route space information model and a temporary safety facility layout model; the intelligent management and control system for highway occupation operation combines the route space information model of the highway, uses a rule learning method to construct a layout rule library under different scenes, establishes a personalized temporary safety facility layout model for a specific road section, and according to basic information such as operation type and position, the layout calculation agent can automatically calculate the length of an operation control area, the type of temporary safety facility and the layout position; the online map positioning and navigation function can be used to realize rapid layout and inspection and patrol.

The present invention discloses a built-in car antenna, which relates to the technical field of car antennas, and comprises: a navigation antenna module, comprising a ceramic antenna, the ceramic antenna is connected to one side of a printed circuit board, and a shielding cover is provided on the other side of the printed circuit board; a plurality of 5G antenna vibrators are arranged around the navigation antenna module, and a gap is provided between the navigation antenna modules; a cable, one end of which is connected to the printed circuit board and the 5G antenna vibrator; the built-in car antenna integrates 5G and navigation functions, and the integration is improved by the setting of the shielding cover, and the built-in car antenna is compact and functionally rich.

The automatic mower comprises a base, an upper adjusting ring is rotatably arranged on the base, a fixing ring is fixedly arranged at the bottom of the base, a lower adjusting ring is slidably arranged in the fixing ring in an up-down limiting mode, a cutting assembly is arranged in the lower adjusting ring, and the upper adjusting ring is in transmission fit with the lower adjusting ring; a wedge-shaped block is arranged on the surface of the upper adjusting ring, a knocking assembly is arranged on the base, and the knocking assembly is in transmission fit with the wedge-shaped block; the knocking assembly comprises a sliding rod, a through hole is formed in the base, the sliding rod is arranged in the through hole in a limited sliding mode, and a first spring is fixedly arranged in the through hole; one end of the first spring is fixedly connected with the base, and the other end is fixedly connected with the sliding rod; a rolling ball is fixedly arranged at the top of the sliding rod and is in contact transmission fit with the wedge-shaped block, and a knocking hammer is fixedly arranged at the bottom of the sliding rod and is in knocking fit with the lower adjusting ring. In the process of adjusting the height of the cutting assembly by rotating the upper adjusting ring, the knocking assembly can automatically knock the lower adjusting ring.

To realize interactive voice control with a user in a voice-interactive vehicle navigation system.SOLUTION: A voice-interactive vehicle navigation system comprises means for realizing interactive voice control with a user by utilizing an AI generative technology, and means for acquiring positional information or traffic information of a vehicle and providing a navigation function.SELECTED DRAWING: Figure 1

The invention discloses an emergency service method of a terminal device and a medium, and the method comprises the following steps: accessing a city emergency management system, and automatically switching the terminal to an emergency mode when detecting emergencies such as a fire hazard, an earthquake and the like; in the emergency mode, the terminal can receive real-time emergency information sent by the city emergency management system; when the terminal is in an emergency mode, a refuge route navigation function, a first-aid kit positioning function and a one-key alarm function are provided; according to the invention, by accessing a city emergency management system, the terminal can timely sense an emergent public event and automatically switch to an emergency mode, thereby providing a series of practical and key auxiliary decision-making functions for a user; in an emergency, real-time emergency information is pushed, so that a user can quickly know the basic information and the danger degree of an event, and the crisis can be better coped with; the refuge route navigation function can help the user to plan the safest evacuation route.