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33results about How to "Realize automatic interpretation" patented technology

Automatic controllable general test launch and control system

The invention discloses an automatic controllable general test lunch and control system. The system comprises a remote control console, a test lunch and control host, a zero-second forwarding box andan AC / DC power supply case; the remote control console and the test lunch and control host are connected through a cable, and are in network communication through a fiber optical transceiver or a network switch; the test lunch and control host comprises a computer board, an I / O board, an AD acquisition board, a communication board and an interface backplane; the computer board, the I / O board, theAD acquisition board and the communication board are plugged in the interface backplane through printed board connectors; the computer board comprises a DSP, a clock circuit and a memory, wherein theclock circuit and the memory are connected with the DSP; the DSP is used for sending an on-off output signal to the I / O board, receiving on-off input data fed back by the I / O board and analog quantitydata fed back by the AD acquisition board and performing parsing to realize output control and condition monitoring of an aircraft. Through modular function board cards and standardized interfaces and buses between the board cards, the integration and generality of the system are improved, and the maintenance cost is saved.
Owner:HUBEI SANJIANG AEROSPACE HONGFENG CONTROL

Device and method for detecting one-way reliability of carrier rocket two-out-of-three ignition circuit

The invention discloses a device for detecting the one-way reliability of a carrier rocket two-out-of-three ignition circuit. The device comprises a testing microcomputer, an instruction simulator and a timing sequence receiving unit, wherein the testing microcomputer is connected with the instruction simulator and the timing sequence receiving unit. The instruction simulator is used for sending a simulated ignition instruction to an ignition PLC. The timing sequence receiving unit is used for receiving a PLC timing sequence signal output by a three-way ignition PLC and an ignition timing sequence signal output by a contactor circuit. The testing microcomputer is used for controlling work of the instruction simulator and work of the ignition PLC, and further used for reading the PLC timing sequence signal and the ignition timing sequence signal from the timing sequence receiving unit and judging whether the timing sequence requirement is met according to a preset judgment method. The device for detecting the one-way reliability of the carrier rocket two-out-of-three ignition circuit has the advantages that the one-way reliability of the two-out-of-three ignition circuit is examined, the timing sequence of the ignition circuit is automatically interpreted, and the use reliability of the two-out-of-three ignition circuit is improved.
Owner:SHANGHAI SPACEFLIGHT ELECTRONICS & COMM EQUIP RES INST

Mobile cultivated land quality and/or cultivated land productivity investigation and evaluation system and method

The invention belongs to the technical field of cultivated land investigation and evaluation, and relates to a mobile cultivated land quality and / or cultivated land productivity investigation and evaluation system and method, and the system comprises a field data collection subsystem and a cultivated land quality and / or cultivated land productivity evaluation subsystem. The field data acquisitionsubsystem comprises a mobile platform, an unmanned aerial vehicle image acquisition device, a portable quick test device and a sample acquisition and storage device. The mobile platform is divided into a driving area, an operation area and a bearing area. The driving area meets the driving requirement and monitors the operation area and the bearing area. The operation area meets the field operation requirement and stores portable instruments. Large instruments are stored in the bearing area. The system is compact in structure, complete in function, convenient to operate and capable of quicklyand effectively completing farmland quality investigation and evaluation and improving the investigation and evaluation efficiency. The evaluation method is comparable in nation and county, is an effective expansion of the existing evaluation method, and greatly improves the universality and applicability of the method.
Owner:CHINA AGRI UNIV +1

Aero-engine blade intake and exhaust edge shape detection method

The invention relates to the technical field of aero-engine blade detection, and particularly discloses an aero-engine blade intake and exhaust edge shape detection method, which comprises the steps of obtaining blade profile contour theoretical point cloud data, blade profile contour actual measurement point cloud data and a deviation value of a blade; performing curve fitting according to the theoretical point cloud data of the blade profile to obtain a theoretical blade profile curve and a theoretical blade profile mean camber line, and performing curve fitting according to the actually measured point cloud data of the blade profile to obtain an actually measured blade profile curve and an actually measured blade profile mean camber line; performing calculating according to the theoretical blade profile curve and the theoretical mean camber line to obtain a front edge theoretical vertex and a rear edge theoretical vertex; performing calculating according to the actually measured blade profile curve and the actually measured mean camber line to obtain a front edge actually measured vertex and a rear edge actually measured vertex; calculating a front edge actual measurement vertex curvature radius and a rear edge actual measurement vertex curvature radius; and comparing and judging the front edge shape and the rear edge shape of the blade. According to the aero-engine blade intake and exhaust edge shape detection method provided by the invention, the defect detection efficiency of the blade is improved.
Owner:HUST WUXI RES INST

Method and system for detecting pavement crack diseases

InactiveCN107201713ARealize automatic intelligent processingRealize automatic interpretationRoads maintainenceLaser lightOptoelectronics
The invention provides a method for detecting pavement crack diseases. The method includes steps of emitting laser light beams towards lanes by a laser generator and forming series bent marked lines on to-be-detected pavements; acquiring the series bent marked lines by a laser marked line image acquisition device under the control of image acquisition control signals on the basis of preset acquisition cycles to obtain light spot images and carrying out low-pass filter processing on the light spot images by an information processing system to obtain low-pass filtered continuous cross-section numerical images; carrying out full-spectrum fidelity processing on the light spot images obtained by the information processing system to obtain full-spectrum cross-section numerical images; carrying out difference on the full-spectrum cross-section numerical images obtained by means of full-spectrum fidelity processing and the low-pass filtered continuous cross-section numerical images obtained by means of low-pass filter processing to obtain pulse elevation numerical images of the pavement crack diseases. Filter parameters for low-pass filter are related to light spots formed by the series bent marked lines. Filter parameters for the full-spectrum fidelity processing are related to the light spots formed by the series bent marked lines. The method has the advantage that the work efficiency can be improved.
Owner:TECH TRANSFER CENT CO LTD NANJING UNIV OF SCI & TECH

Super-pixel-based remote sensing image semantic segmentation method under known sample imbalance condition

ActiveCN111028244ASample size balanceImproving classification accuracy metricsImage enhancementImage analysisPattern recognitionData set
The invention provides a super-pixel-based remote sensing image semantic segmentation method under a known sample imbalance condition, and the method comprises the steps: firstly carrying out the over-segmentation preprocessing of image data, obtaining a super-pixel segmentation result, cutting a rectangular image through employing the gravity center of each super-pixel as a central point, and constructing a super-pixel rectangular image data set; training an ensemble classification model, under the condition that the known samples are unbalanced, combining the small samples into one class, carrying out primary classification, carrying out secondary classification on the small samples after the primary classification is completed, and integrating the network models of the two classifications to obtain the ensemble classification model; inputting a to-be-predicted super-pixel rectangular image data set into the integrated classification network model to obtain a super-pixel rectangularimage category; and mapping the category of the super-pixel rectangular image to the original image to obtain a semantic segmentation result. According to the method, the semantic segmentation precision of the small sample under the condition that the known sample is unbalanced can be effectively improved finally.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA +1

Sleep staging automatic interpretation method based on step-by-step clustering model

The invention relates to a sleep staging automatic interpretation method based on a step-by-step clustering model. According to the method, the step-by-step clustering model is designed and constructed by utilizing the correlation between different electroencephalogram signal characteristics and each sleep stage. Meanwhile, in the clustering process, key steps of the algorithm are optimized and adjusted, an initial clustering center is selected in combination with a density and distance considering method, and a Gaussian kernel function is adopted to calculate a weight factor to adjust and update the clustering center. Besides, after clustering, a distance correction coefficient is designed to improve the rationality of a clustering result in combination with an actual conversion rule of the sleep state. According to the sleep staging automatic interpretation method based on the step-by-step clustering model, the objective clustering effect of individualized complex feature distribution in sleep staging can be reflected, the classification performance of the clustering algorithm on the sleep staging problem is improved, the clustering algorithm is closer to the experience mode of manual interpretation, and an effective and feasible auxiliary interpretation tool can be provided for clinical application.
Owner:EAST CHINA UNIV OF SCI & TECH

Automatic zero adjustment device and zero adjustment method for electric steering engine

The invention relates to an automatic zero adjustment device for an electric steering engine. The automatic zero adjustment device comprises a controller, a proximity switch, a proximity switch support and an extension clamping device; the controller is respectively connected with the proximity switch and the electric steering engine; the extension clamping device comprises a base and a lengthenedrod body, the base is clamped on an output shaft of the electric steering engine, and the lengthened rod body is fixedly connected with the base; when the output shaft of the electric steering enginerotates and drives the base to rotate and the lengthened rod body reaches a triggering range of the proximity switch, output level of the proximity switch turns over, the controller controls the output shaft of the electric steering engine to stop rotating, and mechanical zero adjustment is completed; and the controller is used for acquiring an output voltage value of a sensor, rotating the sensor and stopping rotation of the sensor when an alarm gives an alarm, thus electrical zero adjustment is completed. By using the proximity switch, the extension clamping device, the controller and the alarm, automatic mechanical zero adjustment of the electric steering engine as well as automatic interpretation and hint when a zero position of the sensor is adjusted into position are realized, and efficient and precise zero adjustment of the electric steering engine is improved.
Owner:XIAN MICROELECTRONICS TECH INST

Embedded control surface clearance and skewness automatic detection method and equipment

The invention relates to an embedded control surface gap and skewness automatic detection method and equipment, an upper computer controls an electric cylinder to apply continuous loading force to a control surface through an RS232 serial port, an embedded controller acquires a force sensor and a gap displacement sensor in real time, and the force sensor and the gap displacement sensor are sent to the upper computer through an RS422 serial port after low-pass filtering. A force-displacement curve is drawn in real time after analysis of an upper computer, a control surface gap value is calculated, the upper computer sends a control surface deflection control instruction to an onboard maintenance assembly through an RS422 serial port and drives a control surface to deflect, and an embedded controller collects skewness displacement sensor signals in real time and sends the skewness displacement sensor signals to the upper computer through the RS422 serial port. The control surface skewness value is analyzed and calculated by the upper computer, and the motor power supply supplies power to the electric cylinder. According to the method, equipment self-detection, automatic test, automatic test data acquisition and interpretation and high control surface skewness displacement measurement precision of control surface gap displacement measurement are realized, and the reliability, maintainability and safety are good.
Owner:CHENGDU AIRCRAFT DESIGN INST OF AVIATION IND CORP OF CHINA

Method of Fusion of Binary Classification Semantic Segmentation Map into Multi-Classification Semantic Map Based on High-resolution Remote Sensing Image

The invention provides a method for fusing binary classification semantic segmentation maps into multi-classification semantic maps based on high-resolution remote sensing images. The image data set is sent to the binary classification semantic segmentation network to train binary classification model groups, and the confidence degree of each binary classification model is calculated. ; Input the high-resolution remote sensing image to be predicted into the binary classification model group, and obtain the binary classification results output by each binary classification model and the initial prediction probability matrix; multiply the confidence of the binary classification model and the corresponding initial prediction probability matrix to The final discriminant probability matrix of the high-resolution remote sensing image to be predicted in the binary classification model; when classifying the pixels according to the binary classification results, for the pixel points with classification conflicts, the final discriminant probability of the pixel points in the binary classification model group The category with the largest probability value corresponding to the position of the matrix is ​​used as the classification category of the current pixel point. The invention can effectively improve the overall classification accuracy and IoU and kappa coefficient indexes of the final composite classification map.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

An automatic remote sensing instruction generation and verification method

An automatic remote sensing instruction generation and verification method includes (1) establishing rules of remote-sensing instrument sending links of remote-sensing satellites, (2) establishing a satellite positive instruction template library, (3) establishing an instrument template library rule sequence library, (4) determining working items corresponding to the exploration plan and the basic operation unit of each working item, (5) generating complete instruction sequence blocks capable of being executed by the satellites, (6) analyzing the basic operation units, judging whether or not execution steps and interval times of the basic operation units of the instruction sequence blocks meet restriction requirements of a satellite reverse instruction parameter option template library, if not, then manually checking and modifying the exploration plan inputted by users and the established instruction template rule sequence library, and executing again from the step (4), otherwise, storing the instruction sequence blocks according with the restriction conditions, and sending the instruction sequence blocks to a satellite instruction unloading center according to the rules of the rules of the remote-sensing instruction sending links to further upload to the satellite.
Owner:CHINA CENT FOR RESOURCES SATELLITE DATA & APPL

An autonomous and controllable universal test launch and control system

The invention discloses an automatic controllable general test lunch and control system. The system comprises a remote control console, a test lunch and control host, a zero-second forwarding box andan AC / DC power supply case; the remote control console and the test lunch and control host are connected through a cable, and are in network communication through a fiber optical transceiver or a network switch; the test lunch and control host comprises a computer board, an I / O board, an AD acquisition board, a communication board and an interface backplane; the computer board, the I / O board, theAD acquisition board and the communication board are plugged in the interface backplane through printed board connectors; the computer board comprises a DSP, a clock circuit and a memory, wherein theclock circuit and the memory are connected with the DSP; the DSP is used for sending an on-off output signal to the I / O board, receiving on-off input data fed back by the I / O board and analog quantitydata fed back by the AD acquisition board and performing parsing to realize output control and condition monitoring of an aircraft. Through modular function board cards and standardized interfaces and buses between the board cards, the integration and generality of the system are improved, and the maintenance cost is saved.
Owner:HUBEI SANJIANG AEROSPACE HONGFENG CONTROL

Automatic zero-adjustment device and zero-adjustment method for electric steering gear

The invention relates to an automatic zero adjustment device for an electric steering engine. The automatic zero adjustment device comprises a controller, a proximity switch, a proximity switch support and an extension clamping device; the controller is respectively connected with the proximity switch and the electric steering engine; the extension clamping device comprises a base and a lengthenedrod body, the base is clamped on an output shaft of the electric steering engine, and the lengthened rod body is fixedly connected with the base; when the output shaft of the electric steering enginerotates and drives the base to rotate and the lengthened rod body reaches a triggering range of the proximity switch, output level of the proximity switch turns over, the controller controls the output shaft of the electric steering engine to stop rotating, and mechanical zero adjustment is completed; and the controller is used for acquiring an output voltage value of a sensor, rotating the sensor and stopping rotation of the sensor when an alarm gives an alarm, thus electrical zero adjustment is completed. By using the proximity switch, the extension clamping device, the controller and the alarm, automatic mechanical zero adjustment of the electric steering engine as well as automatic interpretation and hint when a zero position of the sensor is adjusted into position are realized, and efficient and precise zero adjustment of the electric steering engine is improved.
Owner:XIAN MICROELECTRONICS TECH INST

Device for measuring relative aperture of photographic objective and measuring method thereof

The invention discloses a device for measuring the relative aperture of a photographic objective. The device comprises an optical bench, a collimator, a diffusion screen, a holder, a camera assembly,a displacement table and a computer. The collimator is arranged on the optical bench, and the diffusion screen, a to-be-measured objective lens and the camera assembly are sequentially located in theoptical axis direction of the collimator; the diffusion screen is arranged on the optical bench through a fixing frame; a to-be-measured photographic objective lens is arranged on the clamp holder andis arranged on the optical bench through the clamp holder; and the camera shooting assembly is arranged on the displacement table, is arranged on the optical bench through the displacement table, andis connected with the computer. The invention further discloses a measuring method by using the photographic objective relative aperture measuring device. The measuring method comprises the followingsteps: assembling the device; measuring a focal length; measuring the entrance pupil diameter; deriving aperture values. By means of the mode, the entrance pupil diameter and the focal length can bemeasured, two kinds of equipment do not need to be used for measurement respectively, measurement steps are simplified, and the measurement accuracy can be improved.
Owner:苏州东辉光学有限公司
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