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2451 results about "Computer technology" patented technology

24KV high-voltage vacuum breaker mechanical features on-line monitoring method and monitoring device

The invention provides a 24kV high-voltage vacuum circuit breaker mechanical characteristic online monitoring method in which the mechanical characteristic parameters of the vacuum circuit breaker are gained by monitoring the closing and opening switch coil current characteristic curve and the stroke characteristic curve of a moving contact when the vacuum circuit breaker acts; a corresponding monitoring device comprises a DSP single chip microprocessor, a circuit breaker coil current monitoring module, a circuit breaker movable contact stroke monitoring module, a circuit breaker main circuit current monitoring module, and a GPRS communication module. Compared with the existing circuit breaker mechanical characteristic online monitoring method and the device, the online monitoring method and the device of the invention adopt advanced sensing technique, signal processing technique, wireless communication technique, and computer technique, etc., realizes outdoor high voltage vacuum circuit breaker online monitoring; the online monitoring method and the device also display the real-time opening and closing coil current characteristic curve and the stroke characteristic curve of the moving contact by monitoring data when the vacuum circuit breaker acts, and calculates the mechanical characteristic parameters such as the closing and opening switch time of the vacuum circuit breaker, action speed, stroke of movable contact, and opening distance, etc., and can conveniently analyze the monitoring results.
Owner:NANJING INTELLIGENT DISTRIBUTION AUTOMATION EQUIP

Express sorting and delivering system and method

The invention discloses an express sorting and delivering system and a method thereof. The system and the method are capable of fast sorting expresses and designing an optimal delivering scheme by using a bar-code recognition technology, a computer technology and a mechanical automation technology. In one embodiment, the information of the recipient and the coding of the express bar-code are stored in a system database in an associated way; the association of the receiving address with the delivering area ID, the guide plate ID and the sorting slide delivery port ID is established by an application program; a server searches the express coding to confirm the receiving address and issues a swing instruction to a power device controller of a multi-path guide plate so that the related guide plates swing to form a slope shape; the express slides downward and forward along the guide plate by a continuous transport device and finally falls into a holding basket below the delivery port, wherein one delivery port is provided with a plurality of holding baskets, the use sequence numbers of which can be changed by a basket changing switch; the holding baskets can be carried in the delivering vehicles, and the deliverers are capable of contacting the recipients orderly and fast delivering the expresses with the help of the delivering list and the printout of the optimal delivering route as well as a smart phone.
Owner:张革伕

Individualized information processing method and system

The application of the invention provides an individualized information processing method and an individualized information processing system, and relates to the field of computer technology. The method includes the following steps: converting input voice information into natural language texts; performing semantic analysis for the natural language texts to obtain behavior information corresponding to a user; extracting key data from the natural language texts, and/or source data relevant to the natural language texts as per the behavior information; and generating a corresponding operating command as per the behavior information and the key data, and calling the operating command for execution. Through the adoption of the application, the user only needs to input the voice information, the follow-up semantic analysis and processing can be automatically completed, so that automatic processing of semantic data is realized; and with respect to the automatic identification of the voice information, the corresponding operating order can be automatically generated for processing of the input individualized information, so that personal information of different service classes can be stored and managed through a unified management site, and information of different service classes can be efficiently called.
Owner:BEIJING SOGOU INFORMATION SERVICE +1

GIS-based power transmission line intelligent inspection system

The invention provides a GIS-based power transmission line intelligent patrol inspection system, which a comprises server and a mobile terminal, wherein an electronic map is set up in the server, and the server and the mobile terminal performs exchange and sharing with each other through a network; a user authority management module, a pole tower data management module and a status patrol inspection management module; and an electronic sign-in module, a map editing module, a positioning module, a line patrol trajectory recording module, an off-line data module, an instant communication module, a data interaction module and a query statistics module are installed in the mobile terminal. The GIS-based power transmission line patrol intelligent inspection system integrates the computer technology, the GIS technology and the 3G wireless communication technology, inputs power transmission line basic data, personnel attendance information, line defect information and the like into the system in standard forms, reduces the workload of patrol intelligent staff, and effectively solves the problems of low personnel attendance rate and poor real-time performance in patrol inspection; and the GIS-based power transmission line patrol intelligent inspection system can learn about the operating conditions of a power transmission line comprehensively, and discover and solve the problems of defects and hidden dangers in the power transmission line timely.
Owner:STATE GRID CORP OF CHINA +1

Air conditioner controller automatic test equipment and test method thereof

The invention provides an air conditioning controller automatic test device and method which employs single-chip computer technology. The device can carry out complete automatic test, even in one person-multi-testers automatic test way and can realize the generalization of testers, reducing the quantity of testers significantly. Diversified working conditions under which the air conditioner works can be obtained by simulating with voltage, thereby reducing the difficulty of the air conditioning controller test. The device comprises a tester, a thimble connected with a contact of a controller under test, a thimble mounting seat and a connecting lead connecting the thimble and an element of the tester circuit. The tester comprises a shell and elements of the tester circuit which comprises a main-board, a connecting board between the main-board and the thimble mounting seat and a light board. The main-board comprises an HV feedback signal processing circuit, a scavenging motor detecting circuit, a control signal output circuit, an infrared signal transmission circuit, a simulation temperature voltage signal generating circuit, a light board driving circuit and a single-chip microcomputer. The light board of the tester is provided with a display device.
Owner:GREE ELECTRIC APPLIANCES INC

Automatic dividing method of ultrasound carotid artery plaque

The invention belongs to the field of intersection of a computer technology and medical images, and in particular relates to a dividing method of plaque in the cross section direction of carotid artery blood vessel in an ultrasound image. The method specifically comprises the following steps of: selecting the current frame image; dividing to obtain profiles of internal and external membranes of the blood vessel; extracting the plaque and dividing the interested area; detecting an initial plaque external boundary: carrying out curve fitting on each column of pixel point gray value between the internal and external membrane profiles on a polar coordinate image obtained through conversion in the interested area, and detecting the pixel point with the minimum gray value and nearest to the external membrane profile as the initial plaque external boundary point; carrying out level set evolution to obtain the final plaque external boundary; and using the area between the final external boundary and the internal membrane profile as the plaque area. By adopting the dividing method of ultrasound carotid artery plaque, plaque can be accurately divided, the workload of doctors can be greatly reduced, and the plaque size and area calculated on the basis of the division result can help doctors analyze the lesion degree and treatment effect.
Owner:HUAZHONG UNIV OF SCI & TECH

Method and device for text selection

The invention discloses a method and device for text selection and relates to the field of computer technologies. The method comprises the following steps of: detecting a first trigger event generated on a first contact, and displaying a starting point mark on the position of the first contact; detecting a second trigger event generated on the first contact, and acquiring the position of the starting point mark; switching the starting point mark into a terminating point mark; after a third trigger event generated on a third contact touched by a user at the terminating point mark is detected, detecting a sliding trace generated on a second contact touched by the user on a touch screen, and acquiring the sliding speed of the second contact, wherein the sliding speed of the second contact is used for adjusting the text page turning speed; detecting a fourth trigger event generated on the third contact, and acquiring the position of the terminating point mark according to the sliding speed of the second contact; and acquiring characters between the position of the starting point mark and the position of the terminating point mark. According to the method, the simplification of the operation of the text selection triggered by the user is realized, and the rapid and accurate location of the position of a terminating point is realized when the content of a selected text is relatively multiple.
Owner:HUAWEI TECH CO LTD

Multi-feature fusion identification algorithm used for human face comparison

The invention discloses a multi-feature fusion identification algorithm used for human face comparison, which relates to the human face recognition computer technology research and is used for solving the problems of low accuracy and poor actual application effect caused by an existing portrait identification system which does not form a learning sample library and does not change and adjust an actual application weight of an algorithm. The multi-feature fusion identification algorithm comprises a template database and the learning sample library; the template database configures one or more algorithms for different business modules to perform modeling, comparison and application capability identification; algorithm weights, scores and result combination rules are set, and a final identification score is obtained and stored in the learning sample library; and the learning sample library performs statistical learning for a training sample library and hit of an actual application comparison result, and dynamically adjusts the algorithm weights. By recording an application result of each calculation, the actual application effect is subjected to statistics, and application weights of various algorithms are adjusted according to the effect, so that unified scheduling and cooperative running of the various algorithms can be realized and the advantages of the various algorithms can be exerted.
Owner:河北三川科技有限公司

Fault indirect diagnosis technique of rotating blade

A fault indirect diagnosis technique of a rotating blade comprises a vibration impact sensor group which is installed on a static component of a blade machine, senses the vibration and impact caused by aerodynamic force and forcible touch and wear of rotor blades relative to static components and includes a rotational speed sensor for detecting operation frequency of the blade machine and a blade fault diagnosis device for analyzing signals reflecting blade fault information in the signals of the vibration sensor group relative to a signal rule of the rotational speed sensor, wherein the signals of the vibration impact sensor group including at least two vibration impact sensors and the signals of the rotational speed sensor with each rotator corresponding to one are connected to the blade fault diagnosis device, and blade fault diagnostician system software which is arranged in a microprocessor installed in the blade fault diagnosis device is used for diagnosing blade faults through vibration signals and rotational speed signals. The FFT analysis of the transverse vibration shock P of the blade machine in operation, the axial vibration shock Y of the blade machine and the torsional vibration NZ of a hanging or support device of the blade machine, and the analysis of the rotational speed frequency FN of the rotor are performed for recognizing blade faults by combining a computer technique with an electric sensor and the fault diagnostician system software. Various defects of prior art can be overcome.
Owner:北京唐智科技发展有限公司

Method for intelligently managing newly established measurement standard and system thereof

The invention provides a method for intelligently managing a newly established measurement standard and a system thereof. The method comprises the following steps: establishing a uniform measurement standard foundation database and a association matching relation between elements; through performing a standardization design to a management process, realizing automatic inspection, dynamic management and intelligent maintenance of newly established measurement standard data; finally, through designing a data interface which accords with a national standard requirement, realizing free docking and data sharing with a current internal management information system of each measurement technology mechanism. The invention provides the method and the system for intelligently, standardizedly and dynamically managing the measurement standard through using the computer technology. Newly established measurement standard data network filing, automatic calculating of repeatability (stability), automatic generation of curriculum vitae, automatic determination of measurement process abnormity, a function of intelligent data analysis and error correction and the like can be realized. Purposes of reinforcing management, simplifying the process and reducing the errors can be achieved.
Owner:西安计量技术研究院
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