189 results about "Computational intelligence" patented technology

A system and method for searching documents in a data source and more particularly, to a system and method for analyzing and clustering of documents for a search engine. The system and method includes analyzing and processing documents to secure the infrastructure and standards for optimal document processing. By incorporating Computational Intelligence (CI) and statistical methods, the document information is analyzed and clustered using novel techniques for knowledge extraction. A comprehensive dictionary is built based on the keywords identified by the these techniques from the entire text of the document. The text is parsed for keywords or the number of its occurrences and the context in which the word appears in the documents. The whole document is identified by the knowledge that is represented in its contents. Based on such knowledge extracted from all the documents, the documents are clustered into meaningful groups in a catalog tree. The results of document analysis and clustering information are stored in a database.

Computational puzzles are parameterized by a difficulty variable which may be assigned based on at least one component from the group of components: time component, location component, reputation component, usage component, content component, and social networking component. For example, in one embodiment, the proof-of-work puzzle comprises a location component directed by the geographic location of the client that can be applied to any web transaction or application. One such application involves online ticket sales including those that employ purchasing robots. Another application involves accessing and using webmail.

The invention discloses a scene reconstruction method based on a smart phone. The method comprises: 1) calculating the internal camera parameter matrix of the color camera of a smart phone; 2) connecting and fixing a depth camera with the smart phone; and calculating the internal camera parameter matrix and its zoom factor corresponding to the depth camera; 3) calculating the external parameter matrix of the color camera corresponding to the depth camera; 4) using the panorama videos of the scene photographed by the color camera of the smart phone and the depth camera; then, converting the videos into image sequences; and through the obtained external parameter matrix and the internal parameter matrix, combining the image sequences into an RGB-D four-channel sequence; 5) calculating the transform matrixes corresponding to the adjacent two frames in the RGB-D; and 6) through the RGB-D and the transform matrixes, creating the three-dimensional space point cloud sets for the scene and then, through the affine transformation, displaying the point cloud sets on the display screen of the smart phone. The invention can be portably carried and easily shaped.

The invention discloses a resource management and scheduling method in a mobile edge computing environment based on multi-base-station cooperation. The method comprises the following steps that: a mobile edge computing intelligent base station allocates and schedules resources by utilizing five units of a receiving unit, a controlling unit, a caching unit, a computing unit and a sending unit. Whenthe mobile terminal has a new computing task, uploading a migration request to the intelligent base station to which the mobile terminal belongs; If the task is determined to be executed in the intelligent base station by the management algorithm and the task data is cached, the task is directly executed; If the task data is not cached, the data request of the task is sent to the cloud; If the algorithm determines to execute the task in the adjacent base station, the intelligent base station sends a calculation migration request to the adjacent base station, and the judgment on the cache is the same as before; And if the algorithm determines to execute the task at the cloud, the intelligent base station sends the migration request to the cloud. Therefore, the method provided by the invention can optimize transmission and calculation of time delay, cache distribution, system revenue and the like at the same time.

The invention relates to a method for verifying a power distribution network topology structure by utilizing measurement data. The method comprises the steps of: (1) calculating time-sharing voltage sequences and time-sharing voltage distribution curves of smart meters; (2) analyzing relevant coefficients of each voltage sequence; (3) estimating a relative electric distance between each pair of the smart meters; (4) judging relative upstream and downstream positions of a group of the smart meters on the same feed line through comparing voltage values of the voltage sequences, and verifying correctness of data and topology structure in a GIS (Geographic Information System). Through calculation of the relative coefficients and relative voltage size between the time sequence voltages, and contrastive analysis with data in same type obtained under other transformers in the same region, the correctness of the data and the topology structure in the GIS can be verified efficiently, existing errors and faults can be verified and corrected. The verifying method needs low material source and manpower cost, and is high in accuracy and good in operability.

The invention relates to a method for constructing a multi-scene virtual panorama space on the basis of an intelligent terminal. The method comprises the following steps: utilizing an acceleration sensor to acquire acceleration data of the intelligent terminal; utilizing a direction sensor to acquire direction data of the intelligent terminal; a state monitoring unit confirming operation states of the intelligent terminal through the acceleration data and the direction data, wherein the operation states comprise a real image acquiring state and a navigation state; if the intelligent terminal is in the real image acquiring state, an image acquiring unit utilizing the acceleration data and the direction data to acquire the panorama image, and then a virtual panorama generation unit utilizing the panorama image to generate the multi-scene virtual panorama space; if the intelligent terminal is in the navigation state, a navigation unit utilizing the acceleration data and the direction data to calculate the moving distance and the moving direction of the intelligent terminal, and generating navigation information indicating the moving distance and the moving direction in the original multi-scene virtual panorama space.

The invention discloses an operation risk assessment method and device based on a network security situation awareness system. The method comprises the steps: collecting historical data of the networksecurity situation awareness system in advance and analyzed; performing feature selection and data preprocessing on historical data of the network security situation awareness system to generate a training set and a test set for training a learning model; completing training of a learning model by adopting a machine learning algorithm, and exporting an intelligent analysis model after the learning model meets the average accuracy requirement; calculating expected recovery power supply time and loss load of the intelligent analysis model by adopting a general recovery target algorithm of the power system; and performing risk assessment calculation according to the expected power restoration time, the loss load and the threat intrusion probability of the intelligent analysis model to obtaina corresponding network security operation loss risk value. The method and device can combine the power system intrusion probability model and the network security situation awareness system to evaluate and calculate the operation risk, thus improving the risk evaluation accuracy.

The present invention is in-situ boiler combustion optimizing control system based on computational intelligence. The control system has download interface to download the operation parameters from the distributed control system, in-situ boiler tail fume monitoring system to obtain the fume components of the boiler, flyash carbon content monitoring system in the tail of boiler to obtain the carbon content in flyash and data base to store all the parameters and data for learning, establishing non-linear model and global optimization calculation. The present invention can obtain boiler optimizing operation scheme with least pollutant exhaust, reach the maximum boiler efficiency in certain boiler pollutant exhaust limitation, and reach multipurpose optimization scheme.

The invention discloses an AHP (Analytic Hierarchy Process) based intelligent electricity meter software quality evaluation method. The method comprises the steps of S1, building an intelligent electricity meter software quality evaluation index system; S2, building an intelligent electricity meter software quality evaluation model; S3, determining the relative weight of each evaluation index; S4, determining evaluation levels of the evaluation indexes and evaluation standards corresponding to the evaluation levels, and then determining a score of each evaluation index in a scheme layer; and S5, calculating a comprehensive score of the intelligent electricity meter software quality according to the score of each evaluation index and the relative weight of each evaluation index. According to the invention, the blank of the intelligent electricity meter software quality evaluation method is filled up, an evaluation system for the intelligent electricity meter software quality is established, the quality of software in electricity meters from different suppliers and of different versions can be evaluated comprehensively and scientifically, and then references are provided for evaluating the quality of software in intelligent electricity meters from different suppliers.

The invention relates to an intelligent home, and provides an intelligent home control system based on bluetooth. The intelligent home control system is characterized by comprising an intelligent home and an intelligent terminal, wherein a bluetooth transmitting module and a control module are arranged on the intelligent home, a bluetooth receiving module and a direction computing module are arranged on the intelligent terminal; the bluetooth transmitting module is used for providing a bluetooth base station and transmitting the status information of the intelligent home, and the status information at least comprises the operating state and the position information of the intelligent home; the direction computing module is used for computing the direction information, relative to the intelligent home, of the intelligent terminal, and feeding back the direction information to the bluetooth transmitting module; the bluetooth receiving module is used for receiving the direction information, relative to the intelligent home, of the intelligent terminal, and transmitting the direction information to the control module; the control module is used for regulating the current operation state of the intelligent home according to the direction information, which is relative to the intelligent home, of the intelligent terminal. The intelligent home control system based on the bluetooth is suitable for intelligent home control systems based on bluetooth.

The invention provides an urban public transport route selection method. The method solves urban traffic congestion by fully utilizing an computational intelligence advantage, closely associates various interactive units of a urban intelligent transportation system, solves correlative problems as viewed from a system perspective, accurately predicts road condition information, reasonably plans public transport routes according to a traffic condition, enlarges the coverage of public transport, shortens the waiting time of passengers and the running periods of the public transport, and adjusts traffic flow to be in an optimal state. The method comprises establishing a multi-object model and using the average travel time of a passenger and the total length of a route as two measurement indexes; and planning an optimal public transport route by means of a heuristic algorithm in order to achieve wider coverage and better connectivity. The method may dynamically treat a urban public transport route selection problem and is better in adaptability and wider in application range.

The invention discloses a false data injection attack detection method of an intelligent networked automobile automatic cruise system, aiming at solving the problem of false data injection attack existed in the process of network transmission of sensor measured data of the intelligent networked automobile automatic cruise system. Firstly, a discrete-time state space model of the networked automobile automatic cruise system is established, and a filter value of the measured data at each moment is calculated according to the Kalman filter formula; then the sum of noise standard deviations of measuring sensors of the automatic cruise system is taken as a detection threshold; if no data injection attack exists, the Kalman filter value gradually tends to a true value; and when the error betweenthe Kalman filter value and the measured value exceeds a given threshold, it is detected that a false data injection attack is existed at the intelligent networked automobile automatic cruise system.The invention only needs to calculate the state filter value of the intelligent networked automobile automatic cruise system in real time according to the newly obtained observation data, and processthe observation result in real time online, so that the accident that the state data of the intelligent networked automobile automatic cruise system is attacked can be quickly detected.

The invention discloses a method and system for achieving vibration navigation on a smart wearable device. The method comprises the steps that the movement route that the smart wearable device arrives at a preset destination is calculated; when it is determined that the current position is located at the turning place of the movement route, a turning prompt is generated; multiple vibrators of the smart wearable device are controlled to send vibration information corresponding to the turning prompt, wherein the vibration information comprises the fact that the vibrators vibrate according to a preset sequence. According to the method and system, a navigation prompt function is achieved through the vibration information that the vibrators vibrate according to the preset sequence, a user can quickly, easily and accurately perceive the navigation orientation without needing to view a navigation interface, and distinguishing on navigation can be promoted.

The invention discloses automatic fire extinguishing method and system for an intelligent gun employing compressed air foam. The automatic fire extinguishing method comprises the following steps: firstly, detecting and positioning a fire source; once a fire occurs, immediately starting a fire source positioning procedure, and calculating the jet pitching angle of the intelligent gun, so as to automatically adjust the direction and angle of a gun muzzle; receiving a fire extinguishing instruction by a foam generating device, beginning to work, and turning on an electric control valve; and after the fire source is put out, enabling the foam generating device to stop working, and turning off the electric control valve. According to the automatic fire extinguishing method and system, automatic monitoring of the fire and fire extinguishing in an accurate positioning manner can be realized. The system is simple in structure, convenient to mount, large in protection range, timely in fire detection response, and high in fire extinguishing efficiency; the fire can be put out at an initial stage; the amount of a foam extinguishing agent and water is reduced; through controlling horizontal swinging of the intelligent gun around a fire source point as a center, the coverage range of the foam is greatly increased, the technical problem of extinguishing of large-area flowing fire caused by liquid fuel leakage is solved, and the reliability and the application range of the automatic fire extinguishing method for the intelligent gun employing the compressed air foam are improved.

The invention discloses an intelligent valve based secondary network hydraulic equilibrium method and belongs to the field of heat-supply engineering. The scheme of the intelligent valve based secondary net hydraulic equilibrium method comprises the following steps: utilizing monitoring data of an intelligent valve to automatically calculate the resistance number of the valve and a building through an algorithm; based on a pipe network topology structure and a graph theory principle, setting up the pipe network into a digraph model composed of nodes and pipe segments; based on the actual operating condition of the pipe network, recording the pipe network operating conditions under multiple working conditions; calculating the actual resistance numbers of all pipe segments of the pipe network; and automatically adjusting the opening degree of the valve through a hydraulic equilibrium algorithm to realize hydraulic equilibrium of a secondary network. The intelligent valve based secondarynetwork hydraulic equilibrium method has the following benefits: the valve opening degree is determined through the resistance number to really reflect the characteristic of the hydraulic condition ofthe pipe network, so that the phenomenon that the flow rate is determined through the opening degree to cause serious hydraulic power distortion is avoided; and the opening degree of the intelligentvalve is automatically calculated, so that the labor cost and time cost for manual secondary network balance debugging are saved, and nondeterminacy and inaccuracy caused by inconsistent personnel quality of manual debugging are also avoided.

The invention relates to a method for a user to check the legitimacy of a bank card reading terminal equipment. After a card reading machine gets on line, the password that the user and the card issuing bank agreed on is displayed to check the legitimacy of the card reading machine. When applying for the bank card, the user and the card issuing bank agree on a certain form of password. Being obligated to judge and check the legitimacy of the card reading machine according to the password displayed by the card reading machine before entering the password for bank card consumption, the user can decide in time whether to continue entering the password in order to avoid the bank card password that is stolen by the illegal bank card reading terminal. The invention has the advantages of embodying the system mode of man-machine intelligent synthetic integration in modern system engineering and organically combining the mental judgment of the cardholder with the computational intelligence of the online service center instead of totally depending on the techniques. The invention adds the cooperation of the user to check the safety of the card reading terminal equipment, so as to avoid the traps made by the illegal card reading terminal equipment.

The invention discloses a power circuit component optimization method based on an orthogonal learning particle swarm, and belongs to the power electronic technology and the field of computational intelligence. An orthogonal learning particle swarm optimization with a mutation strategy is used for carrying out optimization on an optimal component design of a power electronic circuit. Firstly, a method of generating a new optimal learning object based on an orthogonal combination mode is designed, and is used for mining information of a historical optimal solution of a particle individual and information of a globally-optimal solution of a swarm in the orthogonal learning particle swarm optimization, and combining a learning object which can guide particles to develop in a better direction, secondly, a mutation operator which can improve diversity of the orthogonal learning particle swarm optimization is designed, and the defect that the orthogonal learning particle swarm optimization easily falls into local optimum is overcome. All components of the power electronic circuit serve as variables needing to be optimized and are coded into individuals of the orthogonal learning particle swarm optimization, optimization is carried out on values of the components of the power electronic circuit through specific optimization processes such as update of the speed, update of the location, mutation operation and update of the optimal learning object of the orthogonal learning particle swarm optimization, and the power circuit component optimization method based on the orthogonal learning particle swarm has important application value in the existing large-scale circuit design and optimization field.

A novel submaximal F-wave acquisition and analysis system that employs computational intelligence to set up submaximal F-wave acquisition conditions and to extract submaximal F-wave features automatically, without operator intervention.