126 results about "Information engineering" patented technology

The invention belongs to the field of information processing in the information engineering field, and particularly relates to a water surface moving platform visual system image analyzing and processing method. The method includes the steps of image fog removal, graying, image stabilizing, target segmenting, binaryzation, shape characteristic extracting, texture characteristic extracting, establishing of target characteristic bases of different types, and neural network training and testing. The water surface moving platform visual system image analyzing and processing method has the advantages of being high in processing instantaneity, high in image comprehensive analyzing and processing capacity, wide in application range and the like; video image fog removal and electronic image stabilizing can be conducted on a water surface moving platform in real time under the severe weather conditions such as sea fog, and various types of targets on the water surface can be recognized.

The present invention discloses a mechanical product design two-dimensional knowledge pushing method based on design intents. The mechanical product design two-dimensional knowledge pushing method mainly comprises: establishing a mechanical product design intent database, establishing a design intent acquisition and decomposition method, constructing a design intent attribute table by a rough set theory and performing reduction to obtain the simplest design intent set; establishing a mechanical product design knowledge ontology database; and calculating similarity degrees between intent elements and a compared knowledge ontology in a sequential traversing manner by using an improved similarity degree matching algorithm based on a knowledge ontology concept semantic distance and a concept attribute, sequentially carrying out matching on each intent element, of which the similarity degree is greater than a threshold value, in an intent element set from large to small according to the similarity degrees until completing all the matching, and completing matching of the knowledge ontologies by utilizing a text semantic similarity degree calculating method. The mechanical product design two-dimensional knowledge pushing method can solve the problem of low knowledge intelligent degree of knowledge pushing in the mechanical product design, can improve efficiency of mechanical product design and is suitable for the requirement of the manufacturing information engineering technology for deepening development.

The invention proposes a traffic flow prediction method based on firefly algorithm and RBF neural network. The method comprises: performing normalization to the sample data so that the input data and output data are on the same order of magnitude; initializing the firefly algorithm parameters; utilizing the random method to initialize the firefly populations and encoding each individual in the populations; using the firefly algorithm to train the RBF neural network to obtain the best individual in the populations; decoding the best individual in the populations to obtain the trained RBF neural network; and utilizing the trained RBF neural network to predict the traffic flow data sample. Compared with the traditional traffic flow prediction method, the method of the invention makes full use of the advantages of the firefly algorithm in the RBF neural network training so that the RBF network possesses a more accurate prediction capability, achieves even faster training efficiency and better generalization capability. The invention belongs to the traffic transportation information engineering technology field and can be used for the predictions of road traffic flows in an intelligent traffic system.

The invention discloses an intersection free steering lane setting method under automatic driving, which belongs to the field of traffic information engineering and control and relates to a traffic control technology for automatic driving vehicles by urban roads so as to enable the automatic driving vehicle to drive left, straight and right at any approach in front of the intersection. At the intersection under automatic driving, a rectangular coordinate system is built, the inner space of the intersection is divided to a plurality of grids, and a coordinate range of each grid is determined. The planned arrival time and the target lane of the vehicle are inputted. The driving path equation of the vehicle in the intersection is determined in the coordinate system, the grid coordinates are combined to calculate the grid passed by the vehicle, and the occupied time of each grid is calculated. According to an objective function with the minimum total delay, the best time for each vehicle to enter the intersection is optimized and acquired. Thus, the automatic driving vehicle can select any lane for driving at the intersection approach and passes across the intersection in a mode with the minimum total delay, lane changing is not needed, and the traffic flow convenience is improved.

The invention discloses an intelligent logistics system. Interdisciplinary knowledge of social psychology, methodology, behavior management, information engineering and the like is used, a logistics information system is practically and comprehensively analyzed, requirements, needs, responsibilities and possible expectations of all node roles in a process are comprehensively analyzed, new problemscaused by problem solving are avoided, and comprehensive system solutions which are of a personalized information security method and the like, are of the intellectualized and automated logistics express system and accord with popular habits are provided to practically and effectively improve efficiency of logistics and simplify processes of operations.

The invention relates to a traffic control method of weaving vehicles in a road merging area, and aims at solving the problem that vehicles arriving at the merging area are slowed down to watch and then pass, resulting in traffic delay and heavy traffic in zipper-like traffic laws implemented on the merging area in peak hours. The method comprises the following steps: 1, investing the merging speed of vehicles in main pads in the road merging area, the merging speed of the vehicles in side roads, the maximum speed limitation of the main road, the maximum speed limitation of the side roads, andgeometric conditions of the roads; 2, determining the locations of a detector, a forced speed change area, a speed recovery area, a rewarding and punishing speed limitation area and a variable speedlimiting device; 3, determining the traffic control rules of the weaving vehicles in the merging area based on the positions, determined in step 2, of the detector, the forced speed change area, the speed recovery area, the rewarding and punishing speed limitation area and the variable speed limiting device. The method is applicable to the technical field of traffic information engineering and control.

The invention discloses a vehicle OD flow prediction model construction method and a vehicle OD flow prediction method. In the vehicle OD flow prediction model construction method, a multi-granularityspace partitioning method using grid and road segment nesting is used for representing vehicle OD data at regional and road node levels; the number of trips and travel time between the OD are extracted simultaneously; and a deep prediction model LSTM-traf-deepCNN mixed with CNN and LSTM is used for predicting the OD flow combined with OD travel time. Compared with the traditional OD flow prediction method, the method disclosed by the invention fully considers the implicit relationship between the travel time and the OD flow, and trains the deep network by combining the travel time and the number of trips between the OD; and the obtained model has more accurate predictive power. The invention belongs to the technical field of transportation information engineering and can be used for predicting the OD flow of city-scale taxis.

The invention discloses a digital false tooth repairing method and system based on a B/S framework. The digital false tooth repairing system comprises a browser, a false tooth repairing WEB server and a database, wherein the browser is connected with the false tooth repairing WEB server through the internet, and the false tooth repairing WEB server is connected with the database. The digital false tooth repairing method and system are based on the B/S framework, information management, service submission, cloud end repairing, remote communication, information issuing and system maintenance operation are carried out through the false tooth repairing WEB server, the false tooth repairing work which can be finished only by a client side program through an existing false tooth repairing system based on a C/S framework is transferred to the false tooth repairing WEB server, only the false tooth repairing WEB server is updated in the updating process, the cost is low, efficiency is high, and updating and maintenance are easy. A user can carry out remote communication through the false tooth repairing WEB server, and the information sharing degree is high. The digital false tooth repairing method and system based on the B/S framework can be widely applied to the field of information engineering and biomedical engineering.

The invention discloses an information engineering low-voltage electrical cabinet. The information engineering low-voltage electrical cabinet comprises an electrical cabinet body and a turbine; a motor is fixedly connected to the bottom of an inner cavity of the electrical cabinet body; a first belt disc is arranged on the surface of a motor rotating shaft in a sleeved mode; a transverse plate isfixedly connected to the right side of the inner cavity of the electrical cabinet body; the right side of the bottom of the inner cavity of the electrical cabinet body is movably connected with a vertical rod through a bearing; and the top of the vertical rod penetrates through the transverse plate and extends to the outside of the transverse plate. By virtue of the matched use of the turbine, themotor, the first belt disc, the vertical plate, the vertical rod, a second belt disc, a worm, fan blades, partition plates and hole openings, the problem that an existing information engineering low-voltage electrical cabinet is poor in heat dissipation effect is solved; and the information engineering low-voltage electrical cabinet has the advantages of efficient heat dissipation, cost saving, resource saving, and capabilities of well achieving the heat dissipation effect, protecting part and facilitating use of people, and is worthy of popularization.

The invention belongs to the technical field of computers and information engineering, and particularly relates to a heat-dissipation dust collection device for computers and information engineering.For solving the technical problems that cleaning of accumulated dust in a case and a case assembling and disassembling process are complicated, and heat-dissipation dust collection effects are poor, the scheme includes that the heat-dissipation dust collection device for computers and information engineering comprises a case, a slot is formed in the outer wall of one side of the case, a front cover plate is fixed on the inner wall of the slot through a screw, a second slot is formed in the outer wall of the other side of the case, and a back plate is fixed on the inner wall of the second slotthrough a screw. By a partition on a side cover plate, every important portion is sealed, with the aid of a convection fan, accumulated dust is pressed to a dust storage box by convection, and cannotbe deposited in the case, a central fixing column and a speedy fixing nut cooperate with clamped connection of a sealing clamping strip and the side cover plate, speedy assembling and disassembling can be implemented, air cooling cooperates with water cooling to improve a heat dissipation effect, a filter element is arranged at the position of a convection hole, and the accumulated dust is filtered while convection heat dissipation is implemented.

The invention discloses a method for building an advanced manufacturing simulation factory. The method includes the steps of building a simulation production line, building an information engineering system and building a final assembly dark lamp system. The method is ingenious and reasonable in design, simulation dies can be effectively utilized by the simulation factory established according to a specification of the method for building the advanced manufacturing simulation factory, students and workers can be trained about a production line, and therefore the good effects that the production line is not impeded and damage to products is avoided are achieved.

The invention discloses an amplitude-adjustable chaotic signal source. Integral summability circuits of four branches are used as a framework; the non-linear feedback is realized through a simulation strobing gate circuit and an absolute value calculation unit; by combining the four linear feedback items and one direct current control item, a complicated chaotic sucker with the controllable amplitude value size is output; four paths of chaotic signals are obtained; through the direct current input control in the third dimension, the amplitude regulation on the four-dimensional chaotic signals output by the system is realized. The chaotic signal source can regulate the signal intensity of the chaotic signal source on four branches through a potentiometer or a variable resistor or a power supply direct current voltage source; the regulation on a plurality of feedback items due to scale conversion again and the hardware amplifier can be avoided. The amplitude-adjustable chaotic signal source has the advantages that the circuit realization and debugging difficulty is reduced; the convenience is provided for the application of the chaotic signal source to electronic and information engineering.

The invention discloses a chaotic circuit capable of realizing amplitude-frequency control by a time constant. Integration-summation circuits of three branches are taken as a framework, and three paths of chaotic signals are output through internal feedback circuits of five multipliers and an internal linear feedback item. Through adjustment of resistance or capacitance on a first-dimension linear feedback branch, joint adjustment and control of the amplitudes and frequencies of the chaotic signals output by a system is realized. The amplitudes and frequencies of the chaotic signals output by the circuit are adjusted through rheostats and adjustable capacitors of the branches to realize joint adjustment and control of the amplitudes and frequencies. Joint control of the amplitudes and the frequencies is implemented through two control entries different from other circuits, so that the flexibility of a hardware circuit is enhanced; the circuit implementation and debugging difficulty is lowered; and convenience is brought to application of the chaotic signals to electronic and information engineering.

The invention discloses a data management and control method and system for a genetic testing laboratory, including an acquisition module, a processing module, and a storage and display module; the method of the invention acquires information in the genetic testing process through the acquisition module, and performs sample information through the processing module Recording, experimental data recording, data review, test report management, data management, data statistics, data backup and user login operations, store and display the information in the genetic testing process and the results of data processing through the storage display module. The present invention migrates the gene detection work to the processing module, which is simple in operation, low in cost, high in efficiency, and easy to upgrade and maintain; in addition, the present invention can perform category-by-class analysis and real-time review according to the basic information of the experiment, and provide real-time feedback on the results , which ensures real-time interaction between users and improves work efficiency. The invention can be widely used in the field of medical information engineering.

The invention discloses a network traffic prediction method fusing traffic characteristics, and particularly relates to the technical field of network information engineering, and the method comprises the steps: collecting and obtaining historical network traffic data in a preset time period range, dividing the obtained historical network traffic data into a preset number of sub-traffic sequences according to a preset time step length, constructing and obtaining a network traffic prediction model for each traffic sequence, and predicting the network traffic corresponding to the sub-traffic sequences by using the network traffic prediction model to obtain a prediction classification label result of the network traffic. Through the technical scheme of the invention, the self-similarity characteristic of the network traffic is used as priori knowledge and is integrated into a gating mechanism of the long-short memory neural network, and the time characteristic of the traffic sequence is extracted by combining the one-dimensional convolutional neural network and the attention mechanism, so that the characteristic of original data can be recovered, and the model prediction result is endowed with interpretability; therefore, the prediction precision of the network traffic is improved, and the change trend of the network traffic is described better.

The invention discloses an interactive teaching method and system based on information engineering in the technical field of education and teaching. The system comprises a mistake collection system, and an output end of the mistake collection system is electrically connected with an input end of a mistake classification system. An output end of the mistake classification system is electrically connected with an input end of a central processor, and an output end of the central processor is electrically connected with an input end of a student examination system. The mistake collection system is used for collecting mistakes of examination and assignments, and the mistake classification system is used for the classification and arrangement of the mistakes. The student examination system is used for extracting mistakes for examination, and a scoring system is used for finding out the error-prone knowledge points which are not mastered by students. Finally, an interactive paper-judging system is used for the video analysis of test questions, and the students can understand the whole solving process. The method and system can repeatedly deepening the understanding of the students in the error-prone knowledge points, are directional, and facilitate the improvement of the understanding ability of students through video interaction.

The invention discloses a device for producing a triangular fiber grating, which is applicable to the fields of optical fiber communication, optical fiber sensing, traffic information engineering, control technology and the like. The device utilizes a speed expansion system consists of a lens and adopts a same mask plate for producing the triangular fiber grating, and the wavelength regulation of the triangular fiber grating is very simple. An excimer laser (1) of the production device is taken as a writing light source, the speed expansion system (2) and the phase mask plate (3) are arranged by being vertical to a main optical axis, and optical fibers (4) and the phase mask plate (3) are arranged by 0 degree-45 degrees. Ultraviolet rays emitted by the excimer laser (1) pass through the speed expansion system (2) and then stretching is carried out, an ultraviolet beam after the stretching is incident onto the phase mask plate (3), interference fringes are produced, and the interference fringes utilize the light induction for producing the refractive index modulation in fiber cores of the optical fibers (4) which are very close to the phase mask plate (3), thereby forming the triangular fiber grating.

The invention relates to a lifting speed bump and a traffic control method for a road confluence area. The lifting speed bump and the traffic control method for the road confluence area aim at solvingthe problems that the confluence area is low in traffic flow speed and disorderly. The lifting speed bump comprises a base plate, a hydraulic device, a planar four-rod mechanism, a sliding block, amain speed bump body and a guide rail; one end of the surface of the base plate is provided with the hydraulic device, and the hydraulic device is connected with the planar four-rod mechanism; the other end of the surface of the base plate is provided with the guide rail, the sliding block is connected with a supporting rod on the lower surface of the main speed bump body and slides along the guide rail up and down, and the main speed bump body is arranged on the planar four-rod mechanism; the lower surface of the main speed bump body is provided with idler wheel guide grooves, idler wheel devices are arranged on the planar four-rod mechanism and cooperate with the idler wheel guide grooves for use, and the planar four-rod mechanism transversely moves to drive the main speed bump body to move up and down along the guide rail under the function of the sliding block. The lifting speed bump is used in the field of traffic information engineering and control thereof.

The present invention discloses an interactive teaching system based on information engineering. The system comprises an incorrectly answered question collection system, an output end of the incorrectly answered question collection system is electrically connected with a incorrectly answered question induction system, an output end of the incorrectly answered question induction system is electrically connected with a central processing unit, an output end of the central processing unit is electrically connected with a student examination system, an output end of the student examination systemis electrically connected with a paper examination system, and an output end of the paper examination system is electrically connected with an interaction comment system; an input end of the incorrectly answered question induction system is electrically connected with a special subject induction system, an input end of the special subject induction system is electrically connected with a special subject search system, and the special subject search system is electrically connected with the interaction comment system; and the special subject search system comprises a special subject loading module, a special subject analysis module, an index module and a monitoring setting module. The interactive teaching system based on information engineering improves grasp for incorrectly answered question knowledge points by students, intensifies knowledge points of weak portion of the students, improves teachers and students' comment interaction effect and satisfies an actual usage requirement.

The invention relates to a household humidifier with a temperature controlled function and belongs to the field of intelligent control and information engineering. The household humidifier with the temperature controlled function comprises an ultrasonic base, a water tank and a vapor outlet, and the water tank is arranged on the ultrasonic base and provided with the vapor outlet. The household humidifier is characterized in that the water tank is internally provided with an air guide channel, and a reverse osmosis membrane is arranged in the air guide channel; the water tank is internally provided with a resin filtering core and an activated carbon filtering core; the top end of the air guide channel communicates with the vapor outlet, and the bottom end of the air guide channel is connected with the ultrasonic base; and the ultrasonic base is internally provided with a controllable function module, and the outer side wall of the ultrasonic base is provided with a TFTLCD display screen and an indicator light. The provided household humidifier with the temperature controlled function conducts intelligentized high-precision water temperature adjusting, and accordingly efficient sterilization is conducted on microorganisms, germs and the like in water.