43 results about "Emergency logistics" patented technology

The invention discloses an optimization method of the shortest emergency logistics path based on the fish swarm ant colony algorithm. The congestion factor is introduced into the basic ant colony algorithm to solve the optimization problem of the shortest emergency logistics path and enhance the search for emergency logistics. The ability to optimize the best solution for the path reduces the possibility of the basic ant colony algorithm falling into a local optimum. (1) Input the number of ants, the maximum number of iterations and the maximum load capacity of the vehicle, select the emergency situation, and input the importance of residual pheromone, the importance of heuristic pheromone, evaporation coefficient and intensity coefficient; (2) Find the shortest emergency logistics route : (1) Establish the model of the shortest emergency logistics route optimization problem; (2) The solution process of the model; (3) Display the distribution route results and the performance comparison results of the algorithm in solving the shortest emergency logistics route optimization problem. The optimization scheme for finding emergency logistics routes in the present invention is more efficient.

The invention discloses an emergency logistic route optimization method based on an improved ant colony algorithm. The method comprises the steps of: constructing a multi-target static route optimizing model with minimum delivery time and minimum delivery cost serving as a target, and determining constraint conditions of the optimizing model, such as the emergency supply flows of temporary transfer stations, the fairness, and the vehicle-mounted capacity; using the ant colony algorithm to search for all routes, ordering the routes according to the lengths of the found routes after that all ants complete once searching, attaching a corresponding pheromone increment to each ant finding each route according to the route lengths; and setting upper and lower bounds of the pheromone, updating the pheromone of each route, completing traversal of all disaster points, determining a total target function value of each route and determining the optimal route and the optimal target function value. According to the invention, the ant colony algorithm is improved on the aspects of pheromone updating, pheromone limiting and the like, the convergence rate and the solving quality are increased and a theoretical basis is provided for the optimizing of the emergency route.

The invention discloses an emergency logistic transfer station site selection method based on an improved ant colony algorithm. The method comprises the steps of: constructing a multi-target optimizing model with an maximum emergency demand coverage degree and minimum emergency cost serving as a target, and combining constraint conditions of the optimizing model to determine the number of the temporary transfer stations; combining the clustering ant colony algorithm and a greedy algorithm to solve the multi-target optimizing model, successively performing clustering analysis on coverage situations of disaster points under each disaster level, determining grouping of the disaster points and making a primary site selection scheme of the transfer stations; evaluating the unselected transfer stations, replacing the primary selected transfer station with the transfer station of a maximum evaluation value, performing transfer station repositioning until the site selection scheme does not change; and outputting the final transfer station site selection scheme. According to the invention, the ant colony algorithm is improved on the application of the state transition probability, the sharing tabu table and the greedy algorithm idea, the convergence rate and the solving quality are increased and a theoretical basis is provided for the optimizing of the emergency logistic transfer station site selection.

The invention relates to an emergency logistics management system and method for obtaining goods state information. The system comprises an emergency logistics management center platform, goods with RFID tags and a freight vehicle. The goods are located on the freight vehicle, the freight vehicle is provided with at least three frequency band detection modules, a relay module, a GPS positioning module, a Beidou navigation positioning module, a WIFI module, an LTE communication module, an RFID reader, a storage and a central processing module, the goods are provided with micro-processing chips, pressure sensors and infrared sensors, and the emergency logistics management center platform is connected with the central processing module. The frequency band detection modules are used for detecting current communication frequency bands, and the LTE communication module is adjusted to perform communication on an idle frequency band , so that cooperative positioning data of the GPS positioning module, the Beidou navigation positioning module and the WIFI module or target goods mark states are sent to the emergency logistics management center platform to be managed, and emergency logistics management work in emergency communication environments is achieved.

The present invention provides a heterogeneous network converged communication device and a communication method for emergency logistics. The device comprises a converged service management system anda heterogeneous network communication module. The integrated service management system comprises: a multi-source information access system, which completes the communication network access of different protocols through a communication transceiver module, and adds packet header information to the received data of different communication networks according to the prescribed definitions and identifiers to form a new data frame format for transmission; The protocol extraction conversion system extracts the communication protocol mapped in the protocol pool according to the packet header identification of the received data stream, parses the data stream, and converts the parsed data into IP data packets for interactive transmission. The network management system completes the resource allocation, QoS service, access network management and alarm of the converged network. The business service system provides one or more service communication services of audio, video and data. It can make the most of communication resources in complex network environment and solve the problem of single data source and each communication network independent of each other.

The invention discloses an emergency logistics management system for acquiring state information of cargos, relating to the logistics management field. The system comprises a cargo with an RFID tag, atransportation vehicle loaded with the cargo with the RFID tag, a driver terminal, a receiving terminal and a logistics management center, wherein the logistics management center comprises a frequency band receiving module, a cargo supervising module and a vehicle supervising module; and the vehicle supervising module comprises a vehicle fault supervising unit and a vehicle route supervising unit. By virtue of the supervision of the cargo, the relative state of the cargo and the vehicle, the vehicle, a driver and the reception, the safety of the cargo during the transportation is effectivelyguaranteed, so that the emergency logistics management system is relatively complete, the timeliness is guaranteed, the emergency logistics management system is safe and effective, and cheating behaviors that the cargo is replaced and adulterated during transportation are prevented.

The invention relates to an emergency logistics location-routing method based on alpha-reliable mean-excess regret and belongs to the technical field of emergency facility location and emergency vehicle routing. The actual arrival quantity of material is taken as a decision variable to ensure that the obtained solution is valid in any situation. The trade-off function is introduced to make sensitivity analysis on the total material arrival time and the system cost to help decision makers with different risk preferences to make decisions. Based on the alpha-reliable mean-excess regret theory, the method considers not only the tail risk, but also takes the average value of the total material arrival time and the system cost as the objective function compared with the mean strategy, and the scheme obtained based on the alpha-reliable mean-excess regret theory is excellent in terms of the total material arrival time and the system cost, so that the reliability, timeliness and economy of the scheme can be ensured.

The invention discloses an emergency logistics resource access gateway based on the IOT (Internet of Things), and the access gateway comprises a core processing unit, a communication unit, and a power supply unit. The core processing unit completes the fusion processing and forwarding of collection data, achieves the analysis and forwarding of an access protocol, dispatches and distributes other resources, and operates a fundamental network protocol stack. The communication unit comprises a basic wireless communication unit and an expansion wireless communication unit. The basic wireless communication unit achieves the communication with a wireless access node, and the expansion wireless communication unit achieves the remote transmission of data. The communication forwarding between the basic wireless communication unit and the expansion wireless communication unit is achieved through the core processing unit. The power supply unit achieves the power guarantee. The access gateway is higher in integration degree and operation performance, can maintain lower operation power consumption, is convenient to expand, facilitates the implementation of a cross-region emergency logistics integrated application system, and achieves the all-course control of the resource circulating links of emergency logistics.

The invention relates to the technical field of logistics distribution, in particular to an emergency logistics system dynamic site selection-planning method considering demand priority, which comprises the following steps: S1, acquiring information, and establishing a material distribution center; S2, updating disaster point requirements; S3, selecting a distribution scheme; S4, delivering resources. According to the invention, disaster area requirements, road conditions and other information can be dynamically monitored, the information is comprehensively perfected for planning and distribution, the accuracy of material distribution to a required disaster area is improved, and the material distribution time is shortened.

The invention discloses a positioning-path planning method for emergency logistics. According to the method, emergency logistics center information, disaster point information, road information between an emergency logistics center and a disaster point and the like are comprehensively considered, and a Pareto optimal solution is obtained by utilizing a flower pollination algorithm, so that an optimal solution is provided for solving the positioning-path problem of emergency logistics.

The invention discloses a method for estimating the number of radio frequency identification tags in an emergency logistics management system. A tag estimation method adopts a least square method to realize estimation of the number of tags, by utilization of a quadratic characteristic of the least square method, an estimation error can be well guaranteed to have relatively small mean value and variance, the number of read tags is rapidly estimated in a reading process, and the size of a reading window is adjusted in time according to the number of the tags, thereby realizing maximization of a tag reading rate, effectively shortening reading time, and powerfully supporting a disaster relief process.

The invention discloses an underground emergency logistics system based on an emergency resource reserve station site selection model, and relates to the technical field of logistics management. In order to reduce daily maintenance cost and improve safety performance, timely and effective control is carried out; the system specifically comprises warehouse indoor management and emergency logisticstransportation management, the warehouse indoor management comprises a central management unit and a monitoring center, and the central management unit is connected with a remote control module through a wireless network access device; the emergency logistics transportation management system comprises goods with RFID tags, an emergency vehicle, a driver terminal, a goods receiving terminal and a logistics management center. A traditional emergency command management system is changed to realize rapid identification, accurate positioning and timely processing of logistics warehouse fire, dailymaintenance cost is reduced, information can be timely transmitted through a thermal imaging technology, the safety performance is good, and timely and effective control of a mobile phone terminal canbe realized.

The invention relates to the technical field of logistics system management and application, in particular to an urban emergency logistics network optimization system. The system comprises a common logistics server and an emergency logistics system connected with the common logistics server. The common logistics server comprises a logistics code scanning registration module, a communication module, a bar code storage module, an analysis control unit and a logistics intelligent distribution unit. The emergency logistics system comprises a common logistics server copy saving unit, an emergency logistics intelligent analysis unit, an emergency logistics intelligent distribution unit, a logistics line optimal distribution module, a logistics time calculation module and an emergency change calculation module. The urban emergency logistics network optimization system has the beneficial effects that time is saved, receiving of objects is facilitated, the working efficiency is improved, the logistics safety is improved, and potential safety hazards in the logistics process are effectively eliminated; and the logistics safety is effectively ensured.

The invention discloses an emergency logistics warehouse management monitoring device. The device comprises a mounting disc, a rotating disc, a top plate and a camera, a T-shaped mounting plate is fixed on one side edge of the mounting disc; a fixing hole for fixing a bolt is formed in the mounting plate; an adjusting motor is arranged on one side edge of the mounting disc; a supporting structureis arranged in the supporting cavity, a fixing base is arranged at the top of the top plate, a clamping cavity is formed in the fixing base, a clamping structure is arranged in the clamping cavity, aninserting block is fixed to the bottom of the camera, the inserting block is inserted and fixed to the fixing base, and a cleaning structure is arranged at the position, corresponding to the monitoring opening, of the camera. The emergency logistics warehouse management monitoring device is reasonable in design, dust at the monitoring port corresponding to the camera can be well cleaned when needed, the monitoring device is convenient to disassemble and assemble, meanwhile, the angle of the camera can be well adjusted conveniently, and the emergency logistics warehouse management monitoring device is suitable for application and popularization.

The invention discloses a high-safety robot for emergency logistics distribution. The high-safety robot structurally comprises a camera, a storage box, a chassis and moving wheels, wherein the camera is installed at the rear position of the upper end of the storage box, the chassis is movably clamped with the sides of the moving wheels, and the bottom of the storage box is connected with the upper surfaces of the moving wheels. Through extrusion of an express box on a sliding plate, the sliding plate can slide obliquely upwards along a rear plate, then through reverse thrust of the express box on an adsorption disc, the adsorption disc can generate adsorption force on the surface of the express box, and through extrusion deformation and contraction of a deformation frame, an insertion block can be inserted into the frame, a grabbing surface can be tightly attached to the interior of the frame through continuous thrust generated by thrust pieces on the grabbing surface, stretching blocks can extrude the grabbing surface through thrust generated by springback pieces on the stretching blocks, and the grabbing force on the grabbing surface can be enhanced through cooperation of inner grooves and an abutting surface.

The invention discloses a power emergency logistics support cold storage square cabin. The power emergency logistics support cold storage square cabin comprises a square cabin body, a buffer plate isfixedly arranged at the bottom of the square cabin body, two fixing holes are formed in the top of the buffer plate, buffer columns are arranged in the two fixing holes in a sliding mode, the bottom ends of the two buffer columns are fixedly provided with the same bottom plate, first pressure springs sleeves the outer sides of the two buffer columns, four mounting seats are fixedly arranged at thebottom of the bottom plate, mounting grooves are formed in the bottoms of the mounting seats, sliding seats are slidably arranged in the mounting grooves, and second pressure springs are fixedly arranged at the top ends of the sliding seats. The power emergency logistics support cold storage square cabin is economical and practical, shaking of the square cabin body is relieved under the elastic action of the first pressure spring, the second pressure spring and the third pressure spring, the buffering and damping effects are enhanced, damage to the interior of the square cabin body is avoided, a base is driven to move through a stepping motor, so that the height of the square cabin body can be adjusted conveniently, the lifting difficulty is small, and meanwhile, the position of the square cabin body after moving can be fixed.

The invention relates to the technical field of logistics, in particular to an intelligent logistics transport capacity overall planning system. The intelligent logistics transport capacity overall planning system comprises a logistics server, and the logistics server comprises a logistics code scanning registration module, a communication module, an analysis control unit, a logistics intelligentdistribution unit, a division module, a route intelligent planning module and an emergency logistics module. The system has the beneficial effects that traffic logistics, warehouse management distribution and personnel distribution are fused with the Internet, and information exchange is performed through the Internet, so that the fact condition of each express can be monitored through the Internet, the express condition can be mastered at the first time, a deliveryman is planned according to the most practical mode, and the delivery efficiency of the deliveryman is improved. The time is saved. The receiving of objects is facilitated, and the working efficiency is improved.

The invention discloses a traditional Chinese medicine hospital emergency logistics management method for public health emergencies, the method is applied to an emergency logistics management server, the emergency logistics management server pre-stores corresponding information of materials and suppliers, and the method comprises the following steps: S1, a government functional department and a hospital submit material application information; s2, the emergency logistics management server judges whether the inventory meets the requirement or not according to the submitted material application information; if yes, the step S4 is carried out; if not, the step S3 is performed; s3, the emergency logistics management server calls information of suppliers corresponding to the materials, purchases the materials and stores the materials in a warehouse; and S4, a warehouse is notified to assemble the materials and transport the materials to a government functional department and a hospital. According to the invention, the problem that there is no disaster relief material reserve or the number and the variety of the reserve are limited under the conditions of production halt of manufacturers, logistics shutdown and the like is solved.

The invention discloses an emergency electric logistics fleet optimal scheduling method for improving the toughness of a distribution network, and the method specifically comprises the steps: detecting fault related data at a fault part of the distribution network, carrying out the post-disaster distribution network fault evaluation, and carrying out the prediction through a recurrent neural network, and obtaining the electric energy needed by the fault recovery of the distribution network, and predicting the fault recovery time; on the basis of an actual road network structure, constructing directed graph representation, and embedding influence factors such as road maintenance and traffic jam in directed edge attributes; a vehicle is used as an intelligent agent, a vehicle scheduling problem is constructed into a Markov decision process, an intelligent agent action space is constructed based on a road information network, and a vehicle scheduling result meeting a target is solved under constraints by taking minimization of user energy supply loss and scheduling cost as a target. According to the emergency logistics motorcade scheduling model constructed based on road information and post-disaster required electric energy prediction, the vehicles can be scheduled with long-term attention in the process of responding to the energy demand, and the user loss and the scheduling cost are minimized.

The high-efficiency sorting equipment comprises a feeding device, a discharging device, a sorting device and a moving device, the feeding device is arranged on one side of the discharging device, and the sorting device is connected with the driving end of the moving device; and the sorting device is positioned above the feeding device and the discharging device. Compared with the prior art, the sorting device is driven by the three-axis moving mechanism to move, the medicine bottles needing to be sorted are recognized through the sensor, and therefore the disordered medicine bottles are automatically sorted to the positions needing to be sorted, use is convenient, and application and popularization value is achieved.

The invention relates to a path planning technology, and discloses an emergency logistics vehicle optimal path planning method comprising the following steps: taking road nodes, a current position and a target position as segmentation nodes to carry out road segment segmentation on all roads so as to obtain a plurality of road segments; obtaining all road damage information in the area manually fed back in a preset time interval and road damage point information identified by a satellite; screening all the road sections by using all the road damage point information to obtain a target road section set; planning a path from the current position to the target position according to the road sections in the target road section set to obtain a target planned path; and issuing the target planned path to the emergency logistics vehicle. The invention further provides an emergency logistics vehicle optimal path planning recommendation device, equipment and a storage medium. According to the invention, the accuracy of optimal path planning of the emergency logistics vehicle can be improved.