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116results about How to "Reduce judgment" patented technology

Hot metal ladle slagging-off control system, slagging-off machine and hot metal ladle automatic slagging-off control method

The invention provides a hot metal ladle slagging-off control system. The hot metal ladle slagging-off control system comprises a laser distance measuring sensor, an image acquisition camera, a radardistance measuring instrument, a first position sensor, a tilt angle sensor, a pull rope encoder, a angle sensor, a second position sensor, a first weighing sensor, a first image acquisition camera, asecond image acquisition camera, a second weighing sensor, a cabinet and automatic slagging-off control software, wherein the laser distance measuring sensor is arranged on one side of a running track of a hot metal ladle car and is connected with a PLC, the image acquisition camera is arranged on the front surface of a dust hood above a hot metal ladle, the radar distance measuring instrument isarranged on the back surface of the dust hood above the hot metal ladle and is connected with the PLC, the first position sensor is mounted in an oil cylinder for controlling tilting action of the hot metal ladle and is in control connection with the PLC, the tilt angle sensor is mounted on the hot metal ladle car and is connected with the PLC, the pull rope encoder, the angle sensor and the second position sensor are mounted on a slagging-off machine and are connected with the PLC, the second position sensor can control the oil cylinder, the first weighing sensor is installed at the bottom of a slag basin transport vehicle and is connected with the PLC, the first image acquisition camera is installed on a platform of the slagging-off machine, the second image acquisition camera is installed above a slag receiving position of a slag basin, the second weighing sensor is installed at the bottom of the slag basin, and the cabinet comprises the PLC and an industrial personal computer.
Owner:HENGYANG RAMON SCI & TECH CO LTD

Target tracking method with self-restoration capacity based on multi-stage detector

A target tracking method with self-restoration capacity based on a multi-stage detector includes the steps of selecting a plurality of detectors of different types to be connected in series in combination with the concept of cascading Adaboost multi-stage weak classifiers into a strong classifier, selecting a significance detector for first-stage detection, selecting a classifier assembly detecting module for second-stage detection, substituting the classifier assembly detecting module into a random tree to calculate the posterior probability of a positive sample in a probable area detected byfirst-stage detection, selecting a related filtering detector for third-stage detection, calculating the relevance between a sample with the posterior probability larger than a certain threshold andthe positive sample initialized or obtained in the last frame so as to reduce accumulated errors caused by long-term tracking, determining the position with the maximum relevance as the target area inthe current frame through the multi-stage detector, sampling the determined position, supplementing the positive and negative sample number of concentrated removed samples to ensure the reliability and number consistency of the samples, activating a redetection mechanism if the maximum value of the relevance is larger than a certain threshold, and detecting the area near the position again to search for a target.
Owner:BEIHANG UNIV

Laminated structure of high-frequency adhesive glue and its preparation method

The invention discloses a high-frequency adhesive glue laminated structure. The high-frequency adhesive glue laminated structure comprises a first high-frequency glue layer, a second high-frequency glue layer and a third high-frequency glue layer, wherein each of the first, second and third high-frequency glue layers is made of a mixture of fluorine resin and thermosetting resin; the total thickness of the high-frequency adhesive glue laminated structure is 15-75 microns; in the first high-frequency glue layer, the fluorine resin accounts for 15-25% of the total solid, and the first high-frequency glue layer is 2-10 microns in thickness; in the second high-frequency glue layer, the fluorine resin accounts for 60-80% of the total solid, and the second high-frequency glue layer is 10-55 microns in thickness; in the third high-frequency glue layer, the fluorine resin accounts for 15-25% of the total solid, and the first high-frequency glue layer is 2-10 microns in thickness. The high-frequency adhesive glue laminated structure is very low in Dk and Df performance, and the Df value can reach up to 0.003, so that signal transmission loss can be greatly reduced to accordingly improve the signal transmission quality effectively, the possibility of message judgment error is reduced, and meanwhile, the high-frequency adhesive glue laminated structure is prepared according to a simple method.
Owner:KUSN APLUS TEC CORP

Simulation calculation method and simulation system based on state variable discretization

The invention discloses a simulation calculation method and a simulation system based on state variable discretization. The simulation system comprises a system parameter acquisition processing module, a simulation value calculation module and a simulation control module, wherein the system parameter acquisition processing module is used for acquiring a state variable matrix during kth-step simulation calculation according to changed system input of the kth step relative to the (k-1)th step and a uniquely changed state variable during kth-step simulation calculation; the simulation value calculation module is used for executing a simulation calculation method based on state variable discretization; the simulation control module is used for judging the relation between the system simulation calculation current moment updated after kth-step simulation calculation and the system simulation ending moment, if the system simulation calculation current moment is larger than or equal to the system simulation ending moment, simulation is ended and a simulation result is output. Therefore, simulation calculation is performed on the basis of state variable discretization, the accuracy of the simulation result is improved, simulation velocity is increased, and numerical stability is improved.
Owner:TSINGHUA UNIV

Mechanical hoisting apparatus

The invention discloses a mechanical hoisting apparatus. The apparatus comprises a pedestal; a rotary table which can rotate horizontally is arranged on the pedestal; a hoist boom is arranged on the rotary table, the hoist boom is provided with the first hoister, and the top of the hoist boom is provided with a pulley for carrying articles; a suspension cable in the first hoister protrudes and extends as well as surrounds a pulley for loading articles at the top of the hoist boom, and the end of the suspension cable is provided with a main suspension hook; the end of the hoist boom far from the rotary table is provided with a horizontally arranged slide arm, and the side arm is provided with an electric hoist which can move along the slide arm. An auxiliary suspension hook which protrudesby the electric hoist is matched with the main suspension hook, in order to realize the effects for facilitating fixation of articles and enhancing stability of fixed articles; compared with the single suspension cable fixed article, the electric hoist and double suspension cables of the first hoister are used for carrying out fixation of double ends of the articles which need to be carried, and judgment of center of gravity of an object and selection of fixed hoisting points, adjustment and other workloads are reduced; inclination resistance and migration capability of the object during air suspension and movement are enhanced, and throwing and falling probability of the object are reduced.
Owner:乐清日盛建设有限公司

Method and device for screening and classifying data objects and electronic equipment

The invention discloses a method for screening and classifying data objects. The method comprises the following steps: reading a screening request, and establishing a hierarchical attribute description network according to a descriptor value; extracting a descriptor value in the contained attribute description network from description information of to-be-screened data objects; establishing a mapping relation between the screening request and the attribute description network, and generating a path dependence graph; performing traverse comparison on the descriptor value contained in the description information of to-be-screened data objects and each descriptor value in the path dependence graph; recording the described path as a matching path of the to-be-screened data object if all descriptor values in a description path are contained in the description information of to-be-screened data objects; determining screening requirements met by the to-be-screened data objects according to each matching path of the to-be-screened data objects. According to the method for screening and classifying data objects, a common descriptor value and a common description subpath are merged based on the path dependence graph, judgment in the screening process is reduced, and the calculation time is saved.
Owner:ZHEJIANG TMALL TECH CO LTD

High-frequency adhesive glue laminated structure and preparation method thereof

The invention discloses a high-frequency adhesive glue laminated structure. The high-frequency adhesive glue laminated structure comprises a first high-frequency glue layer, a second high-frequency glue layer and a third high-frequency glue layer, wherein each of the first, second and third high-frequency glue layers is made of a mixture of fluorine resin and thermosetting resin; the total thickness of the high-frequency adhesive glue laminated structure is 15-75 microns; in the first high-frequency glue layer, the fluorine resin accounts for 15-25% of the total solid, and the first high-frequency glue layer is 2-10 microns in thickness; in the second high-frequency glue layer, the fluorine resin accounts for 60-80% of the total solid, and the second high-frequency glue layer is 10-55 microns in thickness; in the third high-frequency glue layer, the fluorine resin accounts for 15-25% of the total solid, and the first high-frequency glue layer is 2-10 microns in thickness. The high-frequency adhesive glue laminated structure is very low in Dk and Df performance, and the Df value can reach up to 0.003, so that signal transmission loss can be greatly reduced to accordingly improve the signal transmission quality effectively, the possibility of message judgment error is reduced, and meanwhile, the high-frequency adhesive glue laminated structure is prepared according to a simple method.
Owner:KUSN APLUS TEC CORP

Audio content consistency monitoring method and system based on frequency domain characteristics

The invention discloses an audio content consistency monitoring method and system based on frequency domain characteristics. The method comprises the following steps: acquiring an audio signal; performing delay calibration on the audio signal, and determining the audio signal after delay calibration; carrying out data segmentation on the audio signals after delay calibration, and determining a plurality of groups of segmented audio signals; extracting frequency domain features of each group of segmented audio signals; determining frequency domain feature similarity according to each group of frequency domain features; determining a frequency domain feature similarity average value according to the multiple groups of frequency domain feature similarities; determining the size of the frequency domain feature similarity average value and a frequency domain feature similarity threshold value, thus acquiring a first determination result; and determining whether the audio signal content is consistent or not according to the first determination result, and outputting an alarm signal when the audio signal content is not consistent. According to the audio content consistency monitoring method and system based on the frequency domain characteristics, the accuracy of audio broadcast monitoring is improved, and automatic monitoring of audio broadcast is achieved.
Owner:COMMUNICATION UNIVERSITY OF CHINA
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