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343 results about "Terminal point" patented technology

Real-time intelligent scheduling method and system for surface mine transportation based on multi-objective optimization

The invention discloses a surface mine transportation real-time intelligent scheduling method and system based on multi-objective optimization. The method comprises the steps that S1, an initial data loading module initializes the system; s2, the algorithm module verifies the vehicle state after receiving the scheduling request; s3, executing a path generation strategy according to states, wherein a normal vehicle generates all feasible routes based on the global path network; when a user appoints a starting point and a terminal point, a point-to-point optimal route is intelligently generated; s4, performing dynamic optimization scheduling based on the multi-source data; optimal task allocation is solved through a multi-objective optimization model, and a vehicle and route mapping relation is output; and S5, a scheduling result is issued to the vehicle-mounted terminal through the service layer, and a terminal interface displays a recommended route and operation guidance. According to the invention, a dynamic event-driven mechanism and a multi-source data collaborative optimization intelligent scheduling framework are fused, so that efficient distribution of vehicle tasks, real-time generation of paths and quick response to abnormal conditions are realized.
Owner:TIANJIN CEMENT IND DESIGN & RES INST CO LTD

Blade interior autonomous crawling sensing method and system based on robot

The invention provides a robot-based blade interior autonomous crawling sensing method and system, and the method comprises the steps: carrying a multi-sensor array on a robot, the multi-sensor array comprises a binocular fisheye camera array and a ToF sensor array, controlling the robot to start from a path travel starting point, obtaining a panoramic depth image based on the multi-sensor array, and transmitting the panoramic depth image to the robot; recognizing an obstacle based on the panoramic depth image, constructing a three-dimensional point cloud map based on the obstacle, avoiding the obstacle based on the three-dimensional point cloud map, generating a feasible path in the blade, and enabling the robot to move based on the feasible path until the robot reaches a path travel terminal point or a minimum space in which the robot cannot pass. Autonomous crawling perception of the robot in the blade can be ensured, movement of the robot in the blade is ensured, and detection is realized.
Owner:WUHAN DITE ENERGY TECH CO LTD

Text-to-SQL (Structured Query Language) generation method and equipment, medium and product

The invention discloses a Text-to-SQL (Structured Query Language) generation method and device, a medium and a product, and relates to the field of geographic information technology application, the method comprises the following steps: analyzing a natural language query text input by a user to obtain a source field set and a target field set; determining corresponding nodes of each field in the source field set and the target field set in the river-lake long-system database mode knowledge graph to obtain a source node set and a target node set; the nodes in the source node set serve as starting points, the nodes in the target node set serve as terminal points, the knowledge graph is processed through the shortest path algorithm, and a path set is obtained; decomposing the natural language query text into a plurality of sub-problems by adopting a large language model and a thinking chain technology, and obtaining a dependency relationship among the sub-problems; according to the dependency relationship and the target field set, a public table expression is obtained, and then the SQL statement is obtained, and the accuracy of database query language generation under the river and lake long-term system scene can be improved.
Owner:THE THIRD GEOINFORMATION MAPPING INST OF MINISTRY OF NATURAL RESOURCES

Unmanned aerial vehicle inspection path planning method, system and device and storage medium

The invention relates to the technical field of unmanned aerial vehicle navigation, and relates to an unmanned aerial vehicle inspection path planning method, system and device and a storage medium. The unmanned aerial vehicle inspection path planning method comprises the following steps: acquiring a digital elevation model and a digital surface model of a plateau forest region and laser point cloud data of the plateau forest region; determining a three-dimensional voxel space of the plateau forest region based on the digital elevation model, the digital surface model and the laser point cloud data, performing reachability judgment on the three-dimensional voxel space based on the vertical safety margin, and determining a reachable region of the unmanned aerial vehicle; carrying out three-dimensional path search from a starting point to a terminal point by using an improved algorithm in an unmanned aerial vehicle reachable area; and smoothing the searched three-dimensional path, and applying a maximum turning radius constraint and a maximum climbing rate constraint to generate a final three-dimensional track. According to the invention, the safety and the performability of route planning of the unmanned aerial vehicle can be improved.
Owner:四川民族学院

Airship type unmanned aerial vehicle inspection system and inspection method

The invention discloses an airship type unmanned aerial vehicle inspection system and inspection method, and belongs to the field of inspection unmanned aerial vehicles. The system comprises a laser radar, an image acquisition device, an airship capsule filled with helium, a standby safety airbag, a communication module and a ground control center, in the method, the ground control center sets an inspection path and issues the inspection path, and the unmanned aerial vehicle flies according to a preset path. During fault detection, the high-definition camera collects images to recognize line cracks and broken strands, the thermal infrared imager monitors the joint temperature, the gas sensor detects abnormal gas, and multi-source data fusion assists in defect positioning. The routing inspection takes a starting point-terminal point connecting line of a power transmission line as a reference, identifies main obstacles and surrounding nodes to perform global planning, performs key routing inspection on a risk area in combination with historical data, and initializes and guides a flight direction through a Q value to reduce invalid exploration. The four-rotor unmanned aerial vehicle solves the problems of short flight time and poor stability of a four-rotor unmanned aerial vehicle, improves the inspection stability and cruising ability, and improves the inspection efficiency of a power transmission line and the reliability of a power system.
Owner:INNER MONGOLIA SANXIA MENGNENG ENERGY CO LTD +2

Electric vehicle charging station planning and site selection method

The invention belongs to the technical field of optimal planning and site selection of electric vehicle charging stations, and particularly relates to an electric vehicle charging station planning and site selection method, which comprises the following steps: S1, constructing an uncertainty set containing road and node traffic capacity loss; constructing a vehicle starting point-terminal point travel scene set in combination with the historical travel data of the vehicle; s2, constructing a network equalization model considering the arrival time fairness of the electric vehicle users according to the passing time cost difference of the electric vehicle users on the traffic road when the electric vehicle users go to the charging station from the starting point so as to solve regional traffic flow distribution; and S3, based on the traffic flow distribution in the S2, constructing a charging station planning model considering the user arrival time fairness, and determining an optimal site selection and capacity configuration scheme of the charging station. According to the method, the time fairness of the electric vehicle user arriving at the charging station can be ensured while the traffic uncertainty of the traffic network road section is effectively dealt with, and the method has a relatively good market application prospect.
Owner:GUANGXI UNIV

Turnout control method and device for sky rail conveying system

The invention relates to the technical field of industrial production, in particular to a turnout control method and equipment of a sky rail conveying system.The method comprises the steps that terminal point information of a target sky rail vehicle is obtained from an upper computer, and a passing path is determined according to the terminal point information and current position information of the target sky rail vehicle; marking each section of track in the passing path as an occupied state; according to the advancing direction of the passing path, the turnouts are sequentially controlled to be switched and locked to target states corresponding to the turnouts in the passing path; after all the turnouts in the passing path are locked in the target state, the target sky rail vehicle is controlled to run in the passing path; and after the target sky rail vehicle enters the last section of rail in the passing path, marking each rail in the passing path as an idle state and unlocking each turnout. Therefore, transportation in the production environment is achieved through the sky rail and the sky rail vehicle, automation can be achieved, efficiency is improved, meanwhile, man-machine cross operation is avoided, smooth and safe transportation is guaranteed, and production safety is improved.
Owner:RIAMB (BEIJING) TECH DEV CO LTD

Deadlock-free core grain routing architecture construction method and device and processor

The invention relates to a deadlock-free core grain routing architecture construction method and device and a processor, and the method comprises the following steps: constructing a multi-data flow network structure in a core grain: constructing an internal subnet which is used for transmitting data in the core grain, does not interact with the outside of the core grain, and comprises at least one routing node and a function module capable of receiving and transmitting data; an outbound subnet is constructed, is used for data transmission in the direction away from the core particles, and comprises at least one routing node, a data transceiving function module and a boundary router; constructing an inbound subnet which is used for data transmission in a core particle direction and comprises at least one routing node, a data transceiving function module and a boundary router; a transmission subnet is constructed, is used for data transmission of which the starting point and the terminal point are other core particles, and comprises at least one routing node, a transmission module and a boundary router; and preventing data transmission from deadlock in the core particles and / or among the core particles according to the multi-data flow network structure through a core particle interaction protocol.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI

Robot control method, robot, storage medium and program product

The invention discloses a robot control method, a robot, a storage medium and a program product, and relates to the technical field of automation control, the robot is provided with an image sensor, and the method comprises the following steps: receiving a user instruction, and analyzing the user instruction to obtain an instruction indication object and an instruction indication operation; a target label matched with the instruction indication object is determined from semantic labels of a semantic map corresponding to the external environment where the robot is located, and an entity object corresponding to the target label is determined as the operation object; determining an object position of the operation object based on the semantic map, generating a target path by taking the object position as an end point, and controlling the robot to run according to the target path; and when it is determined that the robot reaches the object position, the robot is controlled to execute the instruction indication operation on the operation object. The task execution efficiency of the robot in a complex environment is improved.
Owner:YOUDI ROBOT (WUXI) CO LTD

Method and device for generating patrol route of unmanned aerial vehicle

The embodiment of the invention provides an unmanned aerial vehicle patrol route generation method and equipment, and relates to the technical field related to unmanned aerial vehicles. The method comprises the following steps: identifying a three-dimensional space model of a target substation, and obtaining a key node list; the key node list comprises N key patrol points, and the key patrol points represent equipment points needing to be patrolled in the target substation; acquiring an obstacle list; generating a first route by using an A star algorithm and a preset evaluation function according to the starting point, the terminal point, the key node list and the obstacle list of the unmanned aerial vehicle; the preset evaluation function is used for describing the total cost of each waypoint in the first route, the preset evaluation function comprises a dynamic weight factor, and the dynamic weight factor is used for balancing the total cost of the waypoints based on the actual distance between the key patrol point and the unmanned aerial vehicle and the corresponding minimum safety distance; and optimizing the first route to obtain a target route. The method is used for achieving the effect of improving the route planning efficiency and the route safety.
Owner:HUIZHOU POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD +1

Unmanned aerial vehicle automatic positioning and navigation system based on AI

The invention discloses an AI-based unmanned aerial vehicle automatic positioning and navigation system, and the system comprises an unmanned aerial vehicle body which obtains a starting point coordinate through a navigation module by manually inputting a terminal point coordinate and a planned flight time length value t, flies to the terminal point coordinate at a flight speed value V1 and a flight height value H1 from the starting point coordinate, automatically completes a flight task, and automatically judges a return flight; and the monitoring unit is used for acquiring an initial electric quantity value Q of the unmanned aerial vehicle body, transmitting the initial electric quantity value to the coordinate unit, monitoring the output power of the storage battery in real time during flight, and generating a feedback signal and transmitting the feedback signal to the correction unit when abnormal output power is generated during flight. The problems that when an existing unmanned aerial vehicle automatic positioning navigation system is used, the endurance problem of the unmanned aerial vehicle is not considered, and the unmanned aerial vehicle cannot return or even falls in the flight process in the actual flight process are solved.
Owner:ZHEJIANG BOYA CLOUD TECH CO LTD

Unmanned ship formation control method and system based on multilayer potential field and dynamic target generation

The invention discloses a multi-layer potential field and dynamic target generation-based unmanned ship formation control method and system. The method comprises the steps of judging whether an unmanned ship formation reaches a target point or not; if the terminal point is not reached, switching to the next target point; judging whether the distance between the target point and the end point exceeds the radius of the global potential field, and if so, activating a dynamic target generation mechanism to generate a temporary target point; updating the current target point; monitoring an environment obstacle state; the acting force of the formation gravitational field, the acting force of the inter-boat repulsion field and the acting force of the obstacle repulsion field are synthesized; and obtaining control input according to the synthetic acting force, updating the formation position and environment sensing data in real time until the terminal point is reached, and ending the navigation task. According to the method, the formation collaborative operation efficiency is improved, and a brand new path is developed for reliable application of the unmanned ship formation in a complex environment by radically solving two major problems of potential field imbalance and collaborative interference.
Owner:JIANGSU UNIV OF SCI & TECH

Path planning method, device and equipment and readable storage medium

The invention provides a path planning method, device and equipment and a readable storage medium, and the method is applied to a mobile device, and comprises the steps: obtaining a target map, dividing the target map into a plurality of sub-regions, and enabling the plurality of sub-regions to comprise a starting point region and an ending point region; determining an access point in the starting point area, and determining an outgoing point in the ending point area; a hybrid obstacle avoidance algorithm is utilized to determine an access path between the starting point and the access point and determine an outgoing path between the outgoing point and the terminal point, and the hybrid obstacle avoidance algorithm is a path planning algorithm combining a heuristic search algorithm and vehicle dynamics constraints; determining a main road path between the access point and the outgoing point by using a shortest path search algorithm; and determining a target path of the movable device based on the access path, the main road path and the access-out path. The driving requirements of the movable device can be met while the driving path is optimized.
Owner:XINJIANG TIANCHI ENERGY SOURCES CO LTD

Path planning method and device, electronic equipment and readable storage medium

The invention provides a path planning method and device, electronic equipment and a readable storage medium, and is suitable for the technical field of path planning. The method comprises the steps of obtaining a task set; wherein the task set comprises a plurality of tasks and attribute information of each task, and the attribute information comprises starting point information and terminal point information; combining the tasks based on the end point information of each task, and determining at least one group of end point clustering groups; wherein the terminal stations corresponding to the terminal information of each task in the terminal clustering group are the same; aiming at each end point clustering group, based on the attribute information of each task in the end point clustering group, determining each target station through which the automatic guided vehicle needs to pass; and based on each target station, determining path planning information of the automated guided vehicle. According to the embodiment of the invention, the method achieves the effective merging of tasks, enables the merging rate of transportation batches to be remarkably improved, effectively reduces the no-load round-trip conditions of an automatic guided vehicle, and improves the utilization rate of the automatic guided vehicle.
Owner:深圳模德宝科技有限公司

Motion agent path planning method and device, equipment and medium

The invention relates to a motion agent path planning method and device, equipment and a medium. The method comprises the following steps: periodically obtaining each piece of three-dimensional environment information corresponding to a moving agent, and periodically constructing a current artificial potential field based on each piece of three-dimensional environment information; constructing a two-dimensional grid map corresponding to the motion area of the motion agent; determining a starting point and an ending point of the motion intelligent agent in the map, wherein the starting point and the ending point are effective nodes in the map; performing global path planning based on the current artificial potential field, the two-dimensional grid map and the starting point and the ending point of the motion intelligent agent to obtain a target path; and when the current artificial potential field changes, updating the starting point based on the current position of the motion intelligent body, taking the changed artificial potential field as the current artificial potential field, and performing global path planning again to obtain a target path until the motion intelligent body reaches the terminal point. By adopting the method, global optimality can be met, and real-time dynamic obstacle avoidance can also be met.
Owner:HUNAN UNIV

Navigation and positioning system and method for blind person

The invention discloses a blind person navigation and positioning system and method, and relates to the technical field of intelligent assistance and positioning navigation, and the system comprises a positioning service unit and a navigation service unit. In the positioning service unit, an IMU module collects three-axis acceleration and three-axis angular velocity information of a user in real time and calculates motion data of the user; the GNSS module receives satellite signals in real time and calculates position data of a user; and the data processing module carries out positioning according to the data of the IMU module and the GNSS module, and sends the positioning result of the user to the navigation service unit. In the navigation service unit, a demand acquisition module is used for user interaction and acquiring terminal point information of a user; the path planning module generates an optimal path according to the starting point information and the terminal point information of the user; and the navigation guiding module guides the user to advance along the planned path through voice prompt. And more accurate navigation information is provided for the blind. According to the invention, real-time positioning and navigation services are provided for the blind, and the travel safety and convenience of the blind are enhanced.
Owner:JIANGXI UNIV OF SCI & TECH

Equipment pointing control method and system

The embodiment of the invention discloses an equipment pointing control method and system. The method comprises the following steps: in response to a gesture action of a user, sending a UWB signal to each UWB anchor point, and receiving signal arrival time recorded by each UWB anchor point; determining target position information of the control terminal in the three-dimensional space based on the signal arrival time and a preset positioning algorithm; determining signal parameter information from the target equipment to the control terminal when the control terminal points to the target equipment, and locking the pointed target equipment based on the target position information and the signal parameter information; and determining gesture motion track information based on the acquired acceleration data, and matching a control instruction based on the gesture motion track information and a preset track template so as to send a corresponding control instruction to the target equipment. According to the technical scheme, the pointing accuracy and the pointing success rate of the equipment can be improved, and centimeter-level precision non-inductive control is achieved.
Owner:LUXSHARE ELECTRONICS TECH (KUNSHAN) LTD

Three-dimensional modeling method, device and equipment for gradient pipeline and storage medium

The embodiment of the invention discloses a three-dimensional modeling method, device and equipment for a gradient pipeline and a storage medium, and the method comprises the steps: obtaining a starting point three-dimensional coordinate, an end point three-dimensional coordinate, a pipe fitting accessory identifier and a pipeline accessory distance value of the gradient pipeline, and generating a unit direction vector according to the starting point three-dimensional coordinate and the end point three-dimensional coordinate; pipeline accessory positioning processing is carried out based on the unit direction vector, the pipeline accessory distance value and the starting point three-dimensional coordinate, and accessory positioning coordinates are determined according to a processing result; performing pipeline accessory orientation processing according to the unit direction vector, the pipe accessory identifier and a reference direction in a preset world coordinate system, and determining an accessory orientation vector according to a processing result; and inputting the starting point three-dimensional coordinate, the terminal point three-dimensional coordinate, the accessory orientation vector, the accessory positioning coordinate and the pipe fitting accessory identifier into a preset three-dimensional model to obtain a three-dimensional model diagram of the gradient pipeline. According to the scheme, the generation efficiency of the gradient pipeline three-dimensional model diagram can be greatly improved.
Owner:PLANT RESOURCE TECH CO LTD

Robust flight path tracking method for unmanned surface vehicle based on trajectory curvature adaptive segmentation control

The invention discloses an unmanned surface vehicle robust track tracking method based on track curvature adaptive segmentation control, and relates to the technical field of unmanned surface vehicle autonomous navigation control, and the method comprises the steps: calculating the track curvature of a current leg in real time, and dividing a control section based on a preset threshold; executing a corresponding control strategy according to a control section, dynamically adjusting a proportionality coefficient, an integral coefficient and a differential coefficient by adopting fuzzy PID, and generating a steering lag prediction compensation amount based on a planning energy optimal speed; and steering compensation is carried out based on the steering lag prediction compensation amount, so that steering lag is reduced. And finally, judging whether the terminal point of the current flight segment is reached or not so as to obtain an optimized flight path tracking result. Through a curvature-driven three-section control strategy, a dynamic foresight distance dual constraint and an energy consumption optimization mechanism, the problems of tracking drift, control switching oscillation and energy waste of a traditional method in a sharp turn leg are solved, and the tracking precision and the system robustness under a complex track are remarkably improved.
Owner:ZHEJIANG UNIV OF SCI & TECH

Intelligent driving vehicle, obstacle avoidance path planning method and device thereof and medium

The invention discloses an intelligent driving vehicle, an obstacle avoidance path planning method and device thereof and a medium, and relates to the technical field of path planning. The obstacle avoidance path planning method comprises the steps that a current obstacle sensed on a global path is responded, a first obstacle avoidance path is planned, and the expected end point of the first obstacle avoidance path is located in a first obstacle avoidance safety space relative to the current obstacle; and when the terminal point of the first obstacle avoidance path is reached, obstacle sensing is carried out again, and a second obstacle avoidance path is planned according to a sensing result. The embodiment of the invention provides a step-by-step obstacle avoidance planning strategy, the first step is used for planning the first obstacle avoidance path according to the current obstacle information, and the second step is used for planning at the end point of the first obstacle avoidance path with a wider sensing range, so that the problem of easy planning failure caused by an obstacle sensing blind area is solved, the computing power consumption is low, and the planning efficiency is improved. And landing use in a plurality of application scenes is facilitated.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD

Multi-production-unit feeding and discharging scheduling method and system for material rack type AGV (Automatic Guided Vehicle)

The invention discloses a feeding and discharging scheduling method and system for multiple production units of a material rack type AGV. The method comprises the steps that 1) scheduling targets are determined, wherein the timeout rate of feeding and discharging tasks is lowest, the average timeout time of timeout tasks is lowest, and the average task distance of AGV walking is shortest; 2) quantizing limiting conditions: the quantity of the piece boxes cached by the AGV cannot exceed the capacity of the material rack, the same AGV takes the material boxes from a task starting point and unloads the material boxes at a task terminal point, the total time of taking and unloading of the AGV conforms to a task time window, the caching material rack has an idle position when the AGV loads, and the caching material rack has an empty material box and an idle caching position when the AGV unloads; the AGV loads a plurality of material boxes to a cache material frame of the AGV at the same time and unloads the material boxes at a proper time; 3) solving the optimal path of the AGVs, wherein a plurality of AGVs execute an AGV allocation scheme of a plurality of loading and unloading tasks; and the AGV executes a loading and unloading step execution sequence, starting point and terminal point coordinates of each step and a list of coordinate points of a minimum path from the starting point to the terminal point. The system can adapt to the scenes of taking and unloading of a plurality of production units and a plurality of automatic storehouses.
Owner:KUNMING KSEC LOGISTIC INFORMATION IND

Marine environment underwater robot path planning method and system

The invention provides a marine environment underwater robot path planning method and system, and the method comprises the steps: building a high-fidelity marine environment simulation platform based on ROS Melodic, Gazebo11 and UUV Simulator, searching a feasible path of an underwater robot from a starting point to a target terminal point in the high-fidelity marine environment simulation platform through a global path planning module by employing an improved algorithm, and carrying out the path planning of the underwater robot in the high-fidelity marine environment simulation platform, the method comprises the following steps: acquiring a global reference path, acquiring a local optimal path by a local path planning module through a multi-stage processing flow under the guidance of the global reference path, and acquiring a global optimal path through a hierarchical intelligent cooperation mechanism under a global-local cooperation framework. By constructing a high-fidelity environment simulation platform, integrating a spatial sampling path planning algorithm and establishing a multi-dimensional verification system, accurate evaluation of algorithm performance is realized, dependence of path planning on physical experiments is eliminated, and the research and development period is shortened.
Owner:NANCHANG CAMPUS OF EAST CHINA UNIV OF TECH

Online car-hailing order sending method and device based on navigation cost and on-the-way completeness constraint

The invention provides an online car-hailing order dispatching method and device based on navigation cost and on-the-way completeness constraint. The method comprises the following steps: calculating a reference navigation distance and reference estimated driving time from a current position to an on-road terminal point based on navigation parameters; for each candidate order, calling a navigation service to calculate a navigation distance and estimated driving time of a preset path; obtaining an index for order sending judgment based on a calculation result; performing comprehensive scoring and sorting on the detour ratio, the detour time ratio, the on-the-way distance completion degree and the on-the-way time completion degree of the candidate orders passing the verification according to a preset weight, and determining a target order; and issuing the target order to a corresponding driver terminal to trigger an order receiving process. According to the method and the device, accurate determination of the on-the-way performance based on the navigation cost, quantitative constraint of the on-the-way performance return stroke full-link increment cost and the on-the-way completion degree, and thresholding screening and priority ranking according to the order receiving mode can be realized, so that invalid driving is reduced, and the order sending efficiency is improved.
Owner:BEIJING XINGYUN ONLINE SOFTWARE DEVELOPMENT CO LTD

Weak current adaptive wiring path planning method and device and storage medium

The invention discloses a weak current adaptive wiring path planning method and device and a storage medium, and relates to the technical field of data processing. The method comprises the following steps: constructing a wiring space world coordinate system; constructing a first weak current wiring limitation area coordinate; defining coordinates of a second weak current wiring limitation area through the user side; a union set is taken, and coordinates of the weak current wiring limitation area are obtained; obtaining a weak current wiring starting point coordinate and a weak current wiring terminal point coordinate, and carrying out wiring optimization based on the weak current wiring limiting area coordinate to obtain a weak current wiring scheme; and performing virtual layout on the weak current wiring scheme in the wiring three-dimensional space model to obtain a wiring three-dimensional space updating model, and sending the wiring three-dimensional space updating model to a user side for visual display. The technical problem that in the prior art, the wiring planning efficiency is low due to the fact that the weak current wiring path planning process is prone to being interfered by strong current wiring is solved, wiring optimization is conducted by constructing the weak current wiring limiting area and combining the three-dimensional space model, and the technical effect of improving the wiring planning efficiency is achieved.
Owner:NANTONG MENGBANG ELECTRONIC TECH CO LTD

Multidimensional user feature driven interface interaction design method and system

The invention relates to the technical field of interface interaction design, in particular to a multi-dimensional user feature driven interface interaction design method and system. An interface interaction design system driven by multi-dimensional user characteristics comprises a mobile phone instability state judgment module, a track prediction module, an intention control determination module and an intention control amplification module. According to the method, the sliding track generated by the user interaction operation in the unstable state environment can be predicted to obtain the predicted track end point, and then the candidate controls are determined based on the predicted track end point; in combination with multi-dimensional user characteristics such as a historical use frequency ratio and functional logic correlation strength between the user and the candidate controls, an intention control most likely to interact next by the user is determined, and amplification operation setting is performed for the intention control, so that interaction between the user and the intention control is more convenient; and the interface interaction experience of the user in the unstable state environment is improved.
Owner:GUANGZHOU HUASHANG UNIV

Ambidextrous Bolt Catch System

An ambidextrous bolt catch system for a firearm receiver includes a neck having upper, middle, and lower portions; a bolt catch at the upper portion; and an ambidextrous actuator at the lower portion having a spring retention structure. The middle portion extends along a plane perpendicular to a vector extending from the rear to the front of the receiver, and includes a first terminal point towards one side of the receiver, the upper portion extends along the plane and includes a second terminal point towards the side and further than the first terminal point, and the lower portion extends along the plane and includes a third terminal point towards the side and beyond the first terminal point.
Owner:MOCK JARRET CHRISTIAN

Bidirectional A star algorithm and dynamic window method fused path planning method and system

The invention discloses a two-way A star algorithm and dynamic window method fused path planning method and system. The method comprises the following steps: calculating a global path from a starting point to an end point by using a two-way A star algorithm; traversing the global path to remove redundant nodes in the global path; finding an initial current node in the global path from which the redundant nodes are removed; judging whether the current node is an end point, if the current node is the end point, fusing local paths among the nodes to obtain a final planned path from the starting point to the end point, otherwise, determining a next current node according to the current node and the global path; and calculating a local path from the current node to the next current node by using a dynamic window method, and returning the next current node as a new current node to continue iteration. The invention aims to solve the problems of calculation efficiency and path smoothness of the existing path planning method, improve the navigation capability in a dynamic environment, and improve the safety, movement efficiency and real-time obstacle avoidance capability of the robot.
Owner:CHANGSHA SOCIAL WORK COLLEGE

Continuous protection unlocking method based on line resource management and electronic equipment

The invention relates to a continuous protection unlocking method based on line resource management and electronic equipment. The method comprises a continuous protection cancelling process and a continuous protection unlocking process. The continuous protection cancelling process comprises the steps that an Overlap cancelling model is constructed, the Overlap cancelling model is provided with a cancelling timer, and when countdown of the cancelling timer is finished, a resource manager cancels continuous protection and sends an authorization terminal point to be withdrawn to a protection signal machine to a train; the continuous protection unlocking process comprises the following steps: constructing an Overlap unlocking model, wherein the Overlap unlocking model is configured with an unlocking timer; and after the continuous protection is cancelled, the'unlocking timer 'starts countdown, and when the countdown of the'unlocking timer' is finished, if the track sections in the continuous protection range are clear, the resource manager unlocks the turnout in the continuous protection range. Compared with the prior art, the method has the advantages that the continuous protection unlocking efficiency is improved, and the consistency, stability and expandability of the system are improved.
Owner:CASCO SIGNAL LTD

Online car-hailing order allocation method and system based on artificial intelligence, and storage medium

The invention provides an online car-hailing order allocation method and system based on artificial intelligence, and a storage medium, and relates to the technical field of order allocation. The method comprises the following steps: constructing a complete order feature set by combining a starting point, a terminal point and an order type of an order, arrival time required by a passenger and historical scores of the passenger to a driver with current weather category and traffic flow information, constructing collected driver features, order features and environment features into feature vectors, and obtaining an order feature set based on a supervised learning method. Corresponding driver correlation indexes, order correlation indexes and environment correlation indexes are calculated, the model is trained, ordering is carried out according to order receiving probabilities, orders are preferentially recommended to the driver with the highest order receiving probability, and therefore the order matching success rate is increased, and the waiting time of passengers is shortened.
Owner:YUNNAN ZHAOJIAO CAR-HAILING TECHNOLOGY CO LTD

Power transmission line intelligent line selection dynamic planning method based on segmentation consideration

The invention discloses a power transmission line intelligent line selection dynamic planning method based on segmentation consideration, and relates to the field of electric power engineering, and the method comprises the steps: generating a potential path point sequence through a large language model according to starting point information, terminal point information and environment data, the starting point information and the terminal point information are used for building an overhead power transmission line, and the environment data are used for building a potential path point sequence; the environment data is used for indicating environment information of a target area where the overhead transmission line is located; performing two-dimensional path search on the potential path point sequence on a ground object layer through a target algorithm to generate an initial path of the overhead transmission line; performing three-dimensional elevation optimization on path nodes in the initial path according to digital elevation data to obtain a final path of the overhead transmission line; by adopting the scheme, the problems that manual line selection consumes time and labor, the planning efficiency is low and the line scheme quality is poor due to numerous influence factors and mutual restriction in the line selection planning process of the overhead transmission line are solved.
Owner:QUZHOU GUANGMING ELECTRIC POWER DESIGN CO LTD