314results about How to "Grasp in time" patented technology

The invention refers to a transformer on-line intelligent monitoring system and its intelligent diagnosis method. It includes all kinds of sensors for the transformer's dynamic capability monitoring device, some electric signals collected by the sensors connected with A/D converting circuit through the amplifier and regulating circuit, some ones connected with industrial computer through A/D collecting card or interface circuit to be processed by the foreground computer, then transmitted into the background CPU transformer fault diagnosis system for diagnosis and analysis, to obtain the monitoring results. The method: inputting various signal data into the computer, making the computer combined with the stored information database to carry out on-line real-time diagnosis and alarm on the abnormal condition.

The invention provides a joint treatment method and a system of a static scene and a moving object based on satellite-borne MIMO-SAR, which relates to the technical field of radars. The method comprises the following steps of: receiving echo data, and carrying out signal sorting on the echo of each receiving array element by utilizing the orthogonality of a transmit signal; eliminating the influence of the phase error in an echo signal on azimuth imaging by equivalent phase center error compensation; carrying out data combination and reconstruction on each equivalent phase center error compensated channel signal to obtain multichannel echo data; realizing the high-resolution wide-swath imaging of a static scene by utilizing one of reconstructed multichannel data, and meanwhile, realizing the detection and the imaging on a moving object in a wide swath by utilizing the joint treatment of each channel data. The invention can improve and broaden the range and the quality of satellite-borne synthetic-aperture radar reconnaissance and monitoring by the wide swath and high resolution and can effectively and simultaneously detect and trace the key moving object in the wide swath, thereby providing the guarantee of comprehensively and timely mastering radar detection information.

The invention discloses a data origin collection method of relational databases. The method comprises following steps: defining a data original model based on SQL data flow origin semantics; analyzing SQL sentences to generate an abstract syntax tree; browsing the abstract syntax tree to extract source lists, target lists and logic operators; and making structural descriptions of source lists, target lists and logic operator based on the data origin model to generate origin information metadata. The data origin collection method of relational databases has following beneficial effects: data-processing logic in SOL scripts can be described by data conversion graphs and attribute mapping graphs such that a data origin analysis function and a field affecting and analyzing function can be provided for a relation database system; data scripts can be analyzed; and the relationship between data tracing and analysis of data can be achieved based on analysis information.

The invention discloses a predication method of a maritime searching and rescuing target drifting path. A maritime searching and rescuing model is constructed based on an ocean dynamic environment field numerical forecasting technique of ocean surface wind, ocean current, ocean waves and the like to forecast a drifting path of overboard personnel in danger and maritime wrecked ships to give information including positions of a searching and rescuing target of all moment, searching and rescuing radiuses of different possibilities and the like, so that a searching and rescuing commander can give the optimal manner for rescuing in the field in the shortest time and the searching and rescuing movement is safely and rapidly carried out. The predication method specifically comprises the steps: collecting historical weather data; utilizing an atmosphere model to calculate to obtain a wind field of a sea area on the periphery of a maritime dangerous accident happening place; obtaining field wind real-time observation data of the sea area on the periphery of the dangerous accident happening place; carrying out data assimilation on the field wind observation data; adopting an ocean wave numerical value model to forecast a wave field of the sea area on the periphery of the dangerous accident happening place; utilizing the ocean wave numerical value model to forecast a three-dimensional flow field containing wind driven current and tidal current and realize the predication of a dynamic drifting track of the maritime personnel or ships in danger; and directly displaying a predicated value of the searching and rescuing target drifting path.

The invention discloses a power equipment image processing method. The method comprises the steps that a power equipment image and a sample image are acquired and processed, wherein processing comprises image preprocessing and image processing, and image processing comprises feature parameter extraction; and feature parameters of the power equipment image and feature parameters of the sample image are compared, and the state of power equipment corresponding to the power equipment image is described according to the comparison result. By use of the method to process the power equipment image, the power equipment image is converted into state description of the power equipment corresponding to the power equipment image, therefore, information valuable to power equipment monitoring is effectively extracted through computing equipment, labor cost and the storage space demand are greatly lowered, and monitoring efficiency and accuracy are greatly improved.

The invention provides a cable insulation state online automatic monitoring and diagnosis system. A real-time data acquisition module acquires discharge data of a cable; a data automatic analysis and processing module processes and analyzes the data and calculates earth leakage capacitive reactance and impedance of the cable, expresses change of the cable insulation state through the change trend of earth leakage capacitive reactance and impedance, sets an early warning threshold with an average value obtained through long term of measurement and calculation acting as a reference value and compares a real-time measurement result with the reference value to obtain relative deviation which is compared with the early warning threshold; a change curve drawing module draws a real-time cable insulation change curve so as to obtain a cable insulation change trend curve and draw an impedance change curve; a cable insulation fault early warning module performs early warning; and a database module is used for storing the acquired data and the results of the aforementioned modules. Monitoring and fault diagnosis can be automatically performed so that the aspect of accuracy of cable insulation monitoring and fault line selection can be powerfully and reliably guaranteed.

The present invention provides a tobacco logistics management and control system. The system comprises a park entrance and exit management system, a stock management system, a sorting and replenishment management system, a sorting management system and a delivery management system. The park entrance and exit management system is configured to perform park entrance and exit management of industrialvehicles; the stock management system is configured to perform stock management of cigarettes loaded by the industrial vehicles; the sorting and replenishment management system is configured to perform replenishment progress monitoring and replenishment of cigarettes for the sorting management system; the sorting management system is configured to perform automatic sorting and packing of cigarettes of the cigarettes sorted to houses according to order information; and the delivery management system is configured to deliver the packed cigarette packets to retail clients. The tobacco logisticsmanagement and control system can effectively integrate current logistics information nodes, can plan and standardize information on each link of logistics operation, can allow the logistics information to be timely, accurately and comprehensively grasped and processed, can further improve the information level of tobacco logistics, and can reasonably perform optimization configuration of resources of each scheduling link.

The invention discloses a tailing pond numerical simulation and on-line monitoring integral emergency early-warning system. For a first time, fine weather forecast is introduced in the system. According to the invention, a hydro-meteorological forecasting system, a tailing pond numerical simulation technology, and an on-line monitoring system are coupled and comprehensively integrated, such that a complete tailing pond comprehensive emergency early-warning system is formed. The system provided by the invention is advantaged in that: according to the invention, a fine hydro-meteorological forecasting system and a hydro-meteorological model are constructed with the cooperation of a meteorological department; with fine advanced meteorological forecasting information, a tailing pond precipitation-runoff model, a runoff-pond water level model, and a pond water level-shed flow, seepage flow, dam-break model, operation state of the tailing pond cane be predicted in advance, such that enough time is preserved for emergency treatment; pond area precipitation, pond area water level and a dam operation state in real-time states can be monitored by the on-line monitoring system; the monitoring results can be used for checking and correcting the tailing pond advanced forecasting results; and the pond area precipitation, pond area water level and dam operation state can be rapidly and visually expressed by using a three-dimensional visualized model.

The invention discloses a full-well-section self-suction type reverse circulation gas drilling system for oil and gas drilling. The full-well-section self-suction type reverse circulation gas drilling system for oil and gas drilling comprises a ground manifold connecting structure and a drilling assembly structure connected with the ground manifold connecting structure; and the ground manifold connecting structure comprises a gas injection unit, a pressure relief unit, a flowmeter, a ground gas injection manifold, a high-pressure gas injection hose, an erosion-resistant gooseneck, a high-pressure reverse circulation sand discharging hose, a ground reverse circulation sand discharging pipeline and a normal circulation gas drilling sand discharging pipeline. Double-wall drilling rigs are used in a full well section, conventional tools such as single-wall drilling rigs and gas and water mixing joints are omitted, air serves as a circulatory medium in the full well section, and reverse circulation can be implemented without mud or other drilling fluid. The full-well-section self-suction type reverse circulation gas drilling system for oil and gas drilling is particularly suitable for well sections with serious water shortage, serious well leakage or incapability of implementing air lift reverse circulation drilling.

Location data of communication devices (other communication devices) each of which is located in the specification location (an area which a user desires) and each of which is capable of offering information (of a congestion situation, a road surface situation and the like) therein is transferred to a communication device requesting data in the specification location. Since the communication device requesting data can select the communication devices among the other communication devices each located in the specification location by referring to the location data transferred thereto from the other communication devices, it can obtain the data in the specification location from the selected communication devices. Since the communication device requesting data can arbitrarily select the communication devices among the other communication devices each located in the specification location, it is possible to grasp a time when the data in the specification location is obtained.

The invention relates to a method, a device and a system for fault simulation training of equipment in a transformer substation. The method for fault simulation training of equipment in the transformer substation comprises the following steps: obtaining a fault simulation state model; processing the fault simulation state model to obtain fault information data; overlapping the fault information data to equipment corresponding to a current three-dimensional virtual model in the transformer substation to generate an overlapped three-dimensional virtual model; generating a fault virtual scene according to the overlapped three-dimensional virtual model and pushing the fault virtual scene to a training display terminal for display; recording real-time action data of a training object; simulating operation of the training object on the equipment in the fault virtual scene according to the real-time action data to obtain a simulation training result. The method, device and system for fault simulation training of equipment in the transformer substation have the following beneficial effects: the scenes of primary and secondary equipment in the transformer substation are reproduced such that trainees can gain an understanding and master information on on-line operation in a timely manner; and therefore the training effect is improved.

The invention discloses safety monitoring equipment and a safety monitoring method for an infant. The safety monitoring equipment comprises wearing equipment, wherein a signal acquisition terminal and a signal receiving terminal are arranged on the wearing equipment; the signal receiving terminal is used for receiving the information of the signal acquisition terminal; a signal acquisition part comprises a three-axis acceleration sensor, an MEMS (Micro Electro Mechanical System), a first microprocessor, an information storage module, a signal input module, a first wireless communication module, a positioning module and a power module; the three-axis acceleration sensor is electrically connected with the first microprocessor through an analog-to-digital converter; an I/O (input/output) port of the first microprocessor is electrically connected with the information storage module, the signal input module, the first wireless communication module and the positioning module through data lines respectively; the power module is electrically connected with power terminals of the first microprocessor and the MEMS; the signal receiving terminal comprises a second microprocessor; a second wireless communication module and a signal output module are connected to an I/O port of the second microprocessor.

The invention provides a power generator set subsynchronous risk evaluating method based on wave recording big data abnormal detection. The method comprises the following contents of collecting all torsional vibration wave recording files of the same machine unit in a period of time; performing Fourier transformation on the machine end three-phase current signals; extracting industrial frequency components, subsynchronous and supersynchronous harmonic component coefficients; constructing an original feature data set Feature; performing decorrelation and data cleaning on the original feature data set by a main component analysis method; obtaining a dimension reduction feature data set Feature_scomp; building the mahalanobis distance distribution between each sample and the statistics features on the basis of the obtained dimension reduction feature data set; using the value of the mahalanobis distance for measuring the subsynchronous risk; performing the system warning when the risk value reaches 90 percent or higher than 90 percent. The power generator set subsynchronous risk evaluating method has the advantages that the SSO (single sign-on) risk safe evaluation is fast realized, and an auxiliary decision measure is provided for the SSO defense and inhibition in electric network operation.

The invention provides a college classroom teaching effect real-time monitoring and control system based on classroom multimedia equipment. The system includes a main controller, a sub-controller, a seat recognition device and a seat state detection device. The system only comprises a main controller, each seat needs to be correspondingly provided with a sub-controller, a seat recognition device and a seat state detection device; a face camera of the seat recognition device collects face images regularly, and a high-precision camera of the seat state detection device collects the images regularly. The method is expected to help teachers to easily and conveniently monitor the learning state of college students in class and carry out targeted intervention in time, protects the self-respect of the students to the maximum extent, enables the college students to accept the supervision, and helps the college students to improve the initiative and self-supervision of classroom learning.

The invention discloses a method and a system for sending information. The method includes that a server obtains information of a mobile terminal, wherein the information carries at least one of call information and short message notifying information, and the server transmits the obtained information to a personal computer (PC) corresponding to the mobile terminal. According to the technical scheme, users can grasp the information received by the mobile terminal in time when the mobile terminal is not around the users or not convenient to take out.

The present invention relates to an integrated circuit intelligent card system, including an intelligent card device and card reading/wrinting and network access device, in which on the intelligent card device several intelligent cards can be invented, on every virtual intelligent card various application systems can be loaded, downloaded, used and unloaded. The card reading/writing and network access device can be connected with the intelligent card by adopting non-contact or contact mode, and can be used for providing power supply energy for intelligent card and making data interaction. It adopts the structure separating program storage zone from data storage zone in the card interior, so that it can create several virtual intelligent cards structur,e it is a hardware and software integrated intelligent card, therefore its application process can be effectively monitored and managed.

The invention provides a grid voltage monitoring and prediction system and method based on a geographic information system and belongs to the field of grid voltage monitoring technologies. The system comprises a basic information setting module, a map service module and a voltage monitoring and prediction module. The method includes the steps that monitoring data are preprocessed according to historical voltage data of a monitored object and current voltage monitor running status parameters; a voltage prediction model is established; according to the voltage prediction model, the voltage change trend of a monitoring point within future requested time is predicted, if the prediction result exceeds the upper limit range and the lower limit range of voltage of the monitoring point, an alarm prompt is displayed at the position, on a map view, of the monitoring point, and the alarm prompt is also displayed at a corresponding position of a thematic layer where a monitoring point administrative department to which the monitoring point belongs is located. Mapping of grid voltage monitoring and visualization of operating data are achieved, effective early warning is provided for grid voltage abnormities, and grid equipment can be conveniently adjusted, overhauled and scheduled before the abnormities occur.

The invention relates to the technical field of Internet and provides an identity information processing method and system and a corresponding server. The identity information processing system comprises a terminal with an ID card reading function, a client for controlling the terminal to read an ID card and receive ID card ciphertext information which is not decoded and is received by the terminal, a cloud decoding server which carries out decoding related processing on the ID card ciphertext information which is not decoded and is received by the client and is remotely connected to the client through the Internet, an eID special device for generating an eID code, a client server for providing background service for the client, and a supervision server which receives identity information and the eID code uploaded by the cloud decoding server. In the invention, while the privacy of the real identity information of the user is protected, the authenticity and security of the identity authentication are improved, and the timely supervision of the identity information by the supervision server is ensured.

The invention discloses a meteorological disaster situation real-time reporting system based on Beidou short message communication. The system comprises a disaster situation reporting handheld terminal and a command center. A master control module in the disaster situation reporting handheld terminal is physically connected with a Beidou positioning and message transmission integrated module, a power module, a storage module, a touch screen and display module and a data interface module. A Beidou application server in the command center is connected with a Beidou transmitting and receiving array, a disaster situation geographic information system, a data backup server and a Web server, and the command center is connected with the disaster situation reporting handheld terminal through a Beidou satellite system. The meteorological disaster situation real-time reporting system can rapidly report disaster situation information and meet the requirement for meteorological disaster emergency command and rescue in real time on the condition of mobile signal interruption when major meteorological disasters occur, and the emergency command and disaster rescue speed can be increased to the maximum degree.