1722results about How to "Reliable performance" patented technology

An apparatus and method are disclosed that provide for establishing and/or improving binocular vision by adaptation of perceptual motor learning for the visual system of a patient suffering of a binocular vision disorder. The apparatus has a set of two units, one for respectively eye, for manipulation of a vision parameter of the visual presentation, e.g. picture, movie, image. To control the visual presentation on respectively unit a processing unit is connected. The processing unit is adapted to determine a boundary value of a first and/or second vision parameter for the first and/or second manipulation of the first and second unit, where binocular vision disappears for the patient. Furthermore, the processing unit controls at least one vision parameter by manipulating, including oscillating or fluctuating, it within a first range, the first range having a maximum value that is less than the boundary value, for the perceptual motor learning.

The invention discloses an intelligent centrifugal pump cavitation fault detector, which is characterized by comprising a signal acquisition system, a signal processing system, a detection system and a display control system, wherein the signal acquisition system is a pressure transmitter arranged at the inlet of a centrifugal pump; the signal processing system comprises a singlechip, a latch, a program memory, decoder, an analog-to-digital converter, a D trigger, a NOT gate and an NOR gate; the detection system is used for analyzing wavelet multi-dimensional statistical characteristic quantity, performing characteristic extraction on signals, classifying and identifying the extracted characteristic parameters by using a support vector machine to differentiate different cavitation states of the centrifugal pump at a normal running state, a primary cavitation stage, a light cavitation stage and a serious cavitation stage and transmitting the final detection result to the display control system; and the display control system comprises a liquid crystal display module, a loudspeaker (LS) and waved switches S3-S6. The detector has the advantages of reasonable structure, reliable performance, quick and accurate detection, low expense, capability of fully meeting the cavitation fault diagnosis requirement of the centrifugal pump and the like.

The invention intends to disclose a method and a system for monitoring and managing videos on the basis of structured description to analyze and understand video images and generate structured description data having correspondence with video data, so that a user can achieve the informationize application in searching, browsing and retrieving video image data through the operation on the video description data. The invention has the advantages of stable and reliable operating performance and wider applicable range, solves the problem of the analysis and management of mass video data, and achieves the purposes of reducing the cost for artificial monitoring and improving the technical levels of the intelligentization and informationization of the existing video monitoring system.

A transmission shaft with a real-time online torque monitoring device comprises a shaft rod, wherein an installing groove for an electrical apparatus element to be installed is formed in the middle of the side wall of the shaft rod and is in a shape of a circular ring around the side wall of the shaft rod. A Wheatstone bridge is arranged in the installing groove, the electric signal output end of the Wheatstone bridge is electrically connected with the electric signal input end of a signal amplifier, the electric signal output end of the signal amplifier is electrically connected with the electric signal input end of an analog-digital converter, the electric signal output end of the analog-digital converter is electrically connected with the electric signal input end of a radio transmitting module, the radio transmitting module sends a signal to a radio receiving module, and the radio receiving module is connected with a computer capable of processing, displaying and storing a torque value transferred by the transmission shaft. The transmission shaft with the real-time online torque monitoring device can achieve online torque monitoring in a narrow space in a high-temperature and high-vibratory-impact environment and is stable and reliable in working performance and high in measurement accuracy.

Systems and methods for medical interventional procedures, including approaches to valve implantation. In one aspect, the methods and systems involve a modular approach to mitral valve therapy.

The invention relates to a monitoring alarm system of an internet bar based on the face recognition technology, which comprises a monitoring camera, a video signal processing module, a face recognition host and an alarm management server. The monitoring camera carries out face video image acquisition and transmits the acquired face video images to the video signal processing module for video image processing; the video signal processing module transmits the processed video signals and the face images to the face recognition host; the face recognition host carries out comparative recognition processing on the face images according to face database of a blacklist; and if the matching is successful, alarm messages are transmitted to the alarm management server for alarming by a computer network. By adopting the monitoring alarm system of the internet bar based on the face recognition technology, whether the persons to be found appear can be automatically judged and automatic alarming is carried out, therefore, the system is safe and fast, has stable and reliable working performance and wide application range, greatly improves the degree of monitoring intellectualization of the internet bar and can provide clues for the police to solve cases, thereby being beneficial to improving the efficiency of ministry of public security for solving cases.

The invention discloses a laser direct plate marking device for a plane screen print plate and device. The device comprises a screen frame for screen printing, a screen mesh stretched on the screen frame for screen printing, wherein the bottom of the screen mesh is coated with a photosensitive material coating, an optical component arranged below the screen frame for screen printing and used for performing exposure treatment on the photosensitive material coating, a scanning trolley for driving the optical component to reciprocate on the horizontal surface, and a longitudinal moving member for driving the optical component to shuttle on the horizontal surface; and the optical component comprises a plurality of lasers arranged on the same horizontal surfaces, the plurality of lasers are arranged on the same straight line parallel to a longitudinal central line of a rectangular screen frame from front to the back. The method comprises the following steps of confirming a control parameter of a mechanical structure, confirming a control parameter of a laser, and exposure imaging. The device disclosed by the invention is reasonable in design, low in investment cost, simple for use and operation, good in use effect, and wide in application range, and can be used for finishing the print plate manufacturing process of a screen frame in different sizes.

The invention relates to a screen printing and digital printing combined printing device and a printing method of the screen printing and digital printing combined printing device. At present, no printing method or printing method which is high in printing precision and printing speed exist. The printing device is characterized by comprising a machine frame, a rotating roller, a conveyer belt, a screen printing mechanism and a digital printing mechanism, the conveyer belt is installed on the rotating roller, the screen printing mechanism is installed on the machine frame, the digital printing mechanism is installed on the machine frame, and the screen printing mechanism is matched with the digital printing mechanism. The printing method is characterized in that shell fabric is driven to move through the conveyer belt, the shell fabric is printed through the screen printing mechanism and the digital printing mechanism, and if patterns needing to be printed on the shell fabric include large pieces of patterns, the patterns are printed through the screen printing mechanism; if the patterns needing to be printed on the shell fabric include high-precision patterns, the patterns are printed through the digital printing mechanism. The printing device and the printing method are reasonable in structural design, reliable in performance, high in printing precision and high in printing speed.

The invention relates to a system and a method for the intelligent management and service of people streams in public places. The system comprises common user terminals, safety terminals, a monitoringand management system and wireless communication base stations arranged in separate active areas, wherein the monitoring and management system comprises a wireless information processing system, a communication control system and a panoramic monitoring system. The method comprises: an equipment identification code list and a user-terminal use mapping table are created and periodically updated; the common user terminals update coordinate information by GPS technology and send the coordinate information bound with equipment identification codes to the monitoring and management system; and the monitoring and management system displays user position information at corresponding coordinate positions in the panoramic monitoring system. The system and the method for the intelligent management and service of the people streams in the public places are simple and practical in architecture, convenient and quick in use, stable and reliable in working performance and wide in application ranges and lay a firm foundation for the further development, promotion and use of the function of managing and serving the people streams in the large public places.

The invention discloses an ultrasonic-assisted reservoir stratum chemical blockage removal experimental facility and an experimental method. The experimental facility comprises a rock core clamp holder, a ring compression feed device, an ultrasonic energy converter, an ultrasonic generator, a chemical reagent storage tank connected with a liquid inlet of the rock core clamp holder by a conveying pipeline, a water storage tank, an oil storage tank and a liquid container connected with a liquid outlet of the rock core clamp holder. The experimental method comprises the following steps of: 1, pretreating a tested rock core; 2, testing the initial permeability of the rock core through water drive; 3, polluting the rock core; 4, testing the permeability of the polluted rock core through the water drive; 5, performing an ultrasonic-assisted chemical reagent blockage removal experiment; 6, testing the permeability of the rock core subjected to the blockage removal through the water drive; 7,performing the ultrasonic-assisted chemical blockage removal experiment under the condition of ultrasonic oscillation with different frequencies and amplitudes; and 8, processing data. The ultrasonic-assisted reservoir stratum chemical blockage removal experimental facility has reasonable design, complete functions and high using effect, is easy and convenient to arrange and operate, and can realize the pulse fluctuation of the chemical blockage removal under the action of the ultrasonic oscillation.

A microbolometer includes a micro-bridge structure for uncooling infrared or terahertz detectors. The thermistor and light absorbing materials of the micro-bridge structure are the vanadium oxide-carbon nanotube composite film formed by one-dimensional carbon nanotubes and two-dimensional vanadium oxide film. The micro-bridge is a three-layer sandwich structure consisting of a layer of amorphous silicon nitride base film as the supporting and insulating layer of the micro-bridge, a layer or multi-layer of vanadium oxide-carbon nanotube composite film in the middle of the micro-bridge as the heat sensitive and light absorbing layer of the microbolometer, and a layer of amorphous silicon nitride top film as the stress control layer and passivation of the heat sensitive film. The microbolometer and method for manufacturing the same can overcome the shortcomings of the prior art, improve the performance of the device, reduce the cost of raw materials and is suitable for large-scale industrial production.

The present invention relates to a method for achieve automatic driving curve generation between stations during operation by an automatic train driving system. The method comprises that: the system real timely acquires operation information of an automatic train monitoring system, train parameter information and track information of a track database; the driving curve information at each operation stage between the stations is real timely and adaptively calculated; the key point information at each operation stage between the stations is extracted and recorded according to the driving curve information; the best automatic driving curve of the train between the stations during the operation is real timely generated. With adopting the method for achieve the automatic driving curve generation between the stations during the operation by the automatic train driving system, a plurality of disadvantages of the train in the automatic driving process are effectively overcome; the advantages of higher comfort, good energy saving effect, high parking precision, easy adjustment, stable and reliable work performance, and wide application range are provided; the purposes of punctual operation, energy saving operation, high comfort operation, safe and smooth operation of the train are achieved, and the operation requirements of the CBTC system are completely met.

The invention relates to a system and a method for acquiring, recognizing and monitoring portraits in hotels, office buildings and recreation areas. The system mainly comprises a front end monitoring point and monitoring management centers at all levels, wherein the front end monitoring end is arranged in the hotels, the office buildings or the recreation areas and comprises an image acquisition device and a portrait acquisition comparing device for acquiring human face images, performing comparing recognition, and storing the acquired human face images and scene images, the results of the comparing recognition and other monitoring management information in a local database or transmitting the same to a higher level monitoring management center to accept the inquiry and the management by the higher level monitoring management center; the monitoring management is provided with the database, and can receive information of the front end monitoring point or a lower level monitoring management center, transmit monitor objects in an area under administration, receive and process an instruction of the higher level monitoring management center, and perform system management, service scheduling processing and portrait comparing recognition and inquiry of the area under administration. By adopting the system and the method, the intelligent degree of the prior monitoring system, and clues are provided for the public security department to solve a case.

The invention relates to a system for realizing cross-browser Javascript debugging in an enterprise Web application system, comprising a graphical Javascript debugging platform and a cross-browser Javascript debugging framework, wherein, the graphical Javascript debugging platform comprises a debugger engine module, an Http server module, a proxy server module, a compiling engine module, a debugging server module and a debugger UI module, the cross-browser Javascript debugging framework comprises a cross-browser supporting module, a debugging code API module, a call stack managing module and a debugging command resolving module. The invention also relates to a method for realizing cross-browser Javascript debugging in an enterprise Web application system based on the system. By adopting the system and the method for realizing cross-browser Javascript debugging in the enterprise Web application system, the debugging efficiency is high, the operation is simple, fast and convenient, the system performance is stable and reliable, the development and maintenance cost is reduced, the portability and the extendibility of the system are enhanced, the applicable scope is wide, thereby laying the solid foundation for the further development of the enterprise Web application software technology.

The invention discloses a hydraulic pulse-assisted reservoir chemical remedial treatment experiment device and a hydraulic pulse-assisted reservoir chemical remedial treatment experiment method. The experiment device comprises a core holder, an annular pressure supply device, a chemical reagent storage tank, a water storage tank, an oil storage tank and a liquid container, wherein the chemical reagent storage tank, the water storage tank and the oil storage tank are connected with a liquid inlet of the core holder through delivery pipes; the liquid container is connected with a liquid outlet of the core holder; and a hydraulic pulse generating device is arranged on each delivery pipe. The experiment method comprises the following steps of: 1, preprocessing a tested core; 2, measuring the initial permeability of the core by water drive; 3, polluting the core; 4, measuring the permeability of the core by water drive after pollution; 5, performing a hydraulic pulse-assisting chemical reagent remedial treatment experiment; 6, measuring the permeability of the core by water drive after remedial treatment; 7, performing the hydraulic pulse-assisted chemical reagent remedial treatment experiment under the conditions of different frequencies and different amplitudes; and 8, arranging data. The device is rational in design, convenient to arrange, complete in function, simple to operateand good in using effect and can realize pulse fluctuation of the chemical remedial treatment under the action of an injection pressure.

The invention relates to a system for realizing image high dynamic range compression. The system comprises a primary image input unit, an exposure area calculation unit, a comparison unit, a correction unit, and a compressed image output unit. The invention also relates to a method for realizing the image high dynamic range compression. By adopting the system and the method for realizing the image high dynamic range compression, the problems of damage to a normal exposure area, Halo existing at the edge and over loss of image contrast in the method are effectively solved; the contrast of the normal exposure area is reserved, at the same time, the visibility of the under exposure area and the exposure area is improved; the system and method not only are directly applied in an overall high dynamic compression method, but also can be applied in the brightness (lighting layer) compression in a partial high dynamic compression manner; and besides, the complexity of the operation in the invention is extremely low, so that real time process is facilitated, the process is quick and efficient, the working performance is stable and reliable, and the scope of the application is broad.

The invention relates to a system for measuring a radio-frequency signal high-speed sweeping frequency spectrum based on a digital local oscillator. The system comprises a radio frequency conversion unit, an intermediate frequency signal conditioning unit and a digital intermediate frequency signal processing and controlling unit which are sequentially connected in series. The digital intermediate frequency signal processing and controlling unit is provided with a digital scan synchronous control circuit module and a programmable digital oscillator, wherein the digital scan synchronous control circuit module is connected with an in-phase quadrature (IQ) signal shunt processing circuit module through the programmable digital oscillator, the digital scan synchronous control circuit module is connected with a first local oscillator device, a detector, or a fast fourier transform (FFT) convertor. The invention further relates to a method which is based on the system and achieves synchronous control for the scanning in high-speed sweeping frequency spectrum measurement. Due to the fact that the system and method for measuring radio-frequency signal high-speed sweeping frequency spectrum based on the digital local oscillator are adopted, scanning time is greatly shortened, local frequency accuracy in a scanning process is improved, circuit hardware is simplified, cost is reduced, working performance is stable and reliable, and range of application is wide.

An automatic clustering method using an Average-linkage algorithm and a KPower Means algorithm, and a method and apparatus for multi-path clustering required for a spatial channel modeling (SCM) in a wireless communication environment are provided. The automatic clustering method, including: a first step of obtaining an initial cluster centroid using a hierarchical clustering algorithm; a second step of moving the initial cluster centroid using a two dimensional clustering algorithm; a third step of clustering a data set according to the moved initial cluster centroid; and a fourth step of calculating a validation index with respect to the clustered data set and determining an optimal number of clusters.

The invention discloses a hydraulic power pulse oil displacement experimental facility and an experimental method thereof. The experimental facility comprises a core clamping device, an annular pressure supply device, a hydraulic power pulse wave generating device, a water storage tank and an oil storage tank which are connected with the liquid inlet of the core clamping device by virtue of a water pipeline and an oil pipeline as well as a liquid container which is connected with the liquid outlet of the core clamping device; wherein the water pipeline and the oil pipeline are all provided with an intermediate container, a pumping device used for generating high pressure liquid flow and an energy storage tank. The experimental method includes the following steps: firstly, oil displacementexperiment is carried out under the condition that no hydraulic power pulse is added; secondly, oil displacement experiment is carried out while frequency and amplitude hydraulic power pulse wave of core are replaced, and meanwhile hydraulic power pulse auxiliary chemical oil displacement experiment is completed; thirdly, data processing is carried out. The invention has reasonable design, mounting convenience, simple operation and good simulation effect, can improve efficiency of oil displacement by water and crude oil recovery ratio, and experiment of hydraulic pulse wave oil displacement and hydraulic pulse wave auxiliary reservoir core oil displacement by water can be realized.

The small self-propelled walk type mower is composed of reel bat, vertical header, machine rack, gasoline engine, transmission mechanism, hand throttel, hand controlled mechanism, land wheel, transmission mechanism and cutter constitution. After the gasoline engine power changes speed through the transmission mechanism, and changes the gear shift through clutch handle by clutch, it is sent to the land wheel, reel, transmission mechanism and cutter, the nearside divider separates the grazing which is needed to be cut from the grazing which is not needed to be cut, the reel holds the upright grazing or the lodging grazing then pushes them to the header for cutting, the transmission mechanism transmits the grazing to the left side of the mower then puts them on the ground neatly, in order to realize the technology innovation of grazing cutting and transmitting, at the same time to prevent the grazing from plugging on the header or winding on the reel. The machine which can adapt to the grazing mowing work on the lower hilly region, river table land and small block ground in plain region, is operated by one person's hands and has the advantages of easy operation, convenient transportation, lower cost and wide application prospect.

The invention relates to a method for main color feature extraction and structuring description of images, which comprises the following steps of: inputting an image to be processed; selecting a color space; quantizing the color of the image in the color space; calculating a normalized color histogram to obtain the percentage of the pixel number of each color in the entire image pixel number; acquiring the main color of the image according to the percentage; calculating the variance and the space correlation of the main color; and encoding the main color features of the image to obtain the description of the main color features of the image. By adopting the method for the main color feature extraction and the structuring description of the images, the similarity of two images can be distinguished by comparing the similarity degree between the main color features of the two images, the same or similar images can be searched quickly, the processing procedure is simple and convenient, and the working performance is stable and reliable, so the method is important to improve the image retrieval efficiency and quality, and enhance the capacities of analyzing and understanding the images, has a wide application range, and is widely applied to the fields of image retrieval, machine vision and intelligent video monitoring.

An axial thread rolling machine for making external spiral thread on pipe is composed of machine frame, mainshaft box with chuck, slide carriage, longitudinal guide rod or track, and threading disk coaxial with mainshaft.

This invention relates to a kind of method of intellect software key board import electronic device screen realizing on the electronic device screen. When generating the knob contactor the key board selects the candidate import content by sensing the location of the knob contactor and changes the screen allocation automatically and displays the candidate content properly in order to help the user input it correctly; the user selects the hoped input content through the location of the moving contactor and completes the input by lifting the contactor. The method of realizing the intellect software key board import by adopting on the electronic device screen can be convenience to input the information for the electronic device screen correctly and the realization process is easy and the use method is speed and flexible and variable; combine and input the information of the location of the use's knob contactor and the lifting location of the contactor which can increase the input characters for the electronic device in the same key board range largely and enhance the fault tolerant performance largely and the work performance is stable and reliable and the use range of it is larger.

The invention discloses an online analysis system of a ship exhaust emission. The online analysis system of the ship exhaust emission comprises a flue gas sampling unit, a flue gas pretreatment device, a flue gas analysis system, a flue gas parameter measuring system, an automatic blowback control system, a data acquisition system (DAS), a smoke monitoring system, a flue, a gas testing room and an analysis instrument cabinet, wherein the flue gas sampling unit comprises a sampling probe, a smokometer, a flowmeter, a moisture tester, a pressure sensor and a temperature sensor; the flue gas pretreatment device comprises a sample gas pretreatment unit, calibration equipment and a purging unit; the flue gas sampling unit is arranged in the flue, and connected with the analysis instrument cabinet through a cable; the flue gas pretreatment device and the flue gas analysis system are both mounted in the analysis instrument cabinet. With the adoption of the online analysis system of the ship exhaust emission disclosed by the invention, real-time, on-line and continuous detection of a variety of pollutants in flue gases can be carried out, a gas chamber can be prevented from corrosion damage and pollution, and a gas pipeline can be prevented from blockage; furthermore, the performances are stable and reliable, and the maintenance workload is small.

The invention relates to an intelligent emulsion pump station used in the mine, which belongs to a safe production equipment of coal excavation and comprises an emulsion tank, an emulsion pump, an emulsion pipeline, an emulsion pump station controller. The invention is characterized in that: the emulsion pump station controller comprises a primary control circuit, a secondary control circuit and a PLC programmable controller system control circuit; a pressure sensor (8), a liquid level sensor (14),a concentration sensor (15) and an oil level sensor (18) are arranged in the emulsion tank; a temperature sensor (5) is arranged on an emulsion pump (25); the pressure sensor (8), the liquid level sensor (14),the concentration sensor (15) and the oil level sensor (18) and the temperature sensor (5) are connected with the emulsion pump station controller through a cable. The pumping station adopts constant pressure variable feed liquid, speed control by frequency variation and intelligent control, the two pumps can mutually switch over automatically; the liquid level and the oil level are controlled automatically, the temperature of the emulsion pump is supervised automatically, the safe pressure relief protection and the automatic liquid blending improves the service life of the hydraulic support, highlights the explosion proof security in the coal mine; the working performance is reliable and the operation of the pumping station is economical and energy-saving.

The invention relates to a human body behavioral modeling identification method based on a priori knowledge cluster in a computer system. The method comprises the steps of human body behavioral modeling processing and human body behavioral identification processing. By the adoption of human body behavioral modeling identification method based on the priori knowledge cluster in the computer system, a constructed modeling system has a self-learning capacity and can continuously perfect a classifier along with the classification of observed samples. In cluster distribution obtained in the process of human body behavioral modeling, if outliers exist, the outliers serve as an abnormal behavioral model. When the system is designed, precaution is given as required, the method has great realistic meanings, important influence of priori knowledge on a human body behavioral identification result is considered, an improved cluster method is adopted to model and identify the human body, and foundation can be laid for identifying abnormal behaviors. The method is simple and efficient, can accurately identify different behavioral modes, and has good expandability. Working performance is reliable and stable, and the application range is wide.

The invention provides a mechanic-electric property tester for in-situ tensioning of nanometer line in a transmission electron microscopy (TEM), pertains to the in-situ testing of properties of nanometer material. The invention comprises a piezoelectric ceramic tensile unit, a micro cantilever beam mechanics testing system and an electric measuring system, and carries out in-situ tensioning for a single nanometer line and other nanometer materials in a TEM, and realizes an imaging system that can take use of the TEM during the tensioning, so as to get in-situ deformation in nanometer size or atom size. In addition, the invention can achieve quantitative measurement on such mechanical properties as elasticity, plasticity and breakage, and also can carry out measurement on electric properties of a lot of nanometer materials, and investigate the property for transmitting electric charges during the tensioning. The invention is of simple structure, easy to operate, widely applicable, is straightforward and quantitative, is good for explaining and discovering the excellent comprehensive properties of nanometer materials in term of mechanics and electrics.

The invention relates to signal noise removing method based on parts of frequency spectrum data signal reconstruction. It includes the following steps: collecting intact K spatial data G(kx, ky) from magnetic resonance imaging scanner; taking out parts of frequency spectrum data to reconstruct many observing signals; utilizing multiple observing signal averaging to process image signal noise removing. The invention combines the advantages of the multiple and single observing signal noise removing method that it can save scanning time, increase signal noise ratio. This method is effective and practical, has stable and reliable working performance, can be used in general signal noise removing.