97results about How to "Accurate and effective positioning" patented technology

The invention provides a method for detecting partial discharge of a gas insulated switchgear (GIS). The method is a comprehensive detecting method combining ultra-high frequency detection and acoustic emission detection to monitor and position the partial discharge in the GIS. The method for detecting the partial discharge of the GIS is more effective in the monitoring of the partial discharge ofthe GIS, and is more scientific and favorable for the scientific research of the partial discharge of the GIS because the acquired ultra-high frequency characteristic data and acoustic emission characteristic data can be compared and analyzed mutually; and after the initial positioning of the ultra-high frequency characteristic data, acoustic emission detection positioning is performed in a smallrange of discharge area, so the problem of low efficiency of the acoustic emission detection is solved, the positioning is more accurate and effective, and the accurate position of a discharge pointcan be discovered more quickly.

The invention relates to a short-distance sound source combined positioning method based on a shallow-sea multipath arrival angle and arrival time delay, and the method comprises the steps: estimating the multipath arrival angle information of a sound source through employing a weighted subspace high-resolution method, and estimating the multipath arrival time delay information of the sound source through calculating an autocorrelation function of a signal; finally constraining the multipath arrival angle and multipath arrival time delay information in a positioning fuzzy function at the same time, thereby achieving the accurate positioning of the shallow-sea short-distance sound source.

A bicycle mounting mechanism and battery box assembly installed in a bicycle frame of a bicycle is provided to include a battery box and a mounting mechanism. The battery box includes an abutment recess and an opening. The mounting mechanism includes a grip and a locating component unit being connected to the bicycle frame and defining therein an accommodation chamber for accommodating the battery box. The grip is pivotally connected to the locating component unit and includes an abutment end portion and a push end portion. The abutment end portion is capable of inserting into the accommodation chamber and in engagement with the opening with a rotating of the grip. The push end portion is capable of inserting into the accommodation chamber and abuts against the abutment recess with a further rotating of the grip.

The invention discloses a method and system for detecting the internal short circuit of a power battery, the method comprising: acquiring the terminal voltage of each battery pack in the power battery; connecting all terminal voltages in series and constructing a closed detection model; calculating a correlation coefficient of each two adjacent terminal voltages, and determining the correlation coefficient as a detection coefficient of the battery pack corresponding to the previous one of the two adjacent terminal voltages; determining whether all the detection coefficients are higher than a set threshold; if so, determining that a short-circuit fault does not occur inside the power battery; if not, determining that the short-circuit fault occurs in the battery packs corresponding to the detection coefficients not higher than the set threshold. By constructing the closed detection model, the method, on one hand, can quickly and effectively detect the short circuit fault of the batteryand ensure the safety of the power battery, and on the other hand, can accurately and effectively position the fault to solve inaccurate and unstable short-circuit detection inside the power battery in the prior art.

The invention discloses a video clip searching and positioning method based on content. In order to solve the problems that in an existing video searching and positioning field, the feature extraction calculation amount is large, the feature is simplex, and the positioning accuracy rate is low, the invention provides a video clip searching and positioning method based on content, and belongs to the field of video processing. The method comprises the following steps of firstly partially decoding an H.264 compressed video to extract motion information and static information of videos, and generating a plurality of feature vectors; judging similarity between videos by measuring the distances between the feature vectors, thus achieving searching of the videos with similar content; and at last providing a positioning algorithm based on a sliding window, further using feature screening and positioning cut-off algorithms to accurately and effectively position the queried video in candidate videos screened according to the similarity based on the distances between the window measure feature vectors.

The invention discloses a laser welding machine capable of automatically rounding a coiled tube motor stator. An existing coiled tube motor stator welding machine cannot meet large-scale production. The laser welding machine comprises a pressing mechanism, a coiled tube motor stator grabbing mechanism, a clamping mechanism, a welding mechanism, a transmission mechanism, a rack and a welding clamprotating mechanism, wherein the pressing mechanism returns after applying downward pressure to a coiled tube motor stator on the transmission mechanism; the transmission mechanism provides a pressed coiled tube motor stator to the coiled tube motor stator grabbing mechanism; the coiled tube motor stator grabbing mechanism grabs a coiled tube motor stator to be welded to the clamping mechanism, andunloads the welded coiled tube motor stator; the welding mechanism welds the coiled tube motor stator; and the welding clamp rotating mechanism realizes rotating the welding mechanism and enabling acentral core rear positioning shaft to extend into or withdraw from the welding mechanism. The laser welding machine can accomplish welding work of the coiled tube motor stator in a fully-automatic mode, and guarantees roundness of the coiled tube motor stator through an internal central core in a welding process.

The invention relates to an optical lens group which comprises a first lens and a second lens, wherein an optical axis of the first lens and an optical axis of the second lens are superposed; the radius of the second lens is more than that of the first lens; the first lens comprises a first optical part and a first mounting part; the second lens comprises a second optical part and a second mounting part; the first mounting part comprises a first buckling surface, a first bearing surface and a third bearing surface; the second mounting part comprises a second buckling surface and a second bearing surface which can cooperate with the first buckling surface and the first bearing surface; the vertical distance between the third bearing surface and the first bearing surface is D, and D is more than or equal to 0.08 mm and less than or equal to 0.5 mm. The optical lens group is stable in structure, realizes automatic centering and is favorable for rotational symmetry of image quality.

The invention discloses a cell interruption detection positioning method based on an adaptive resonance theory. The method comprises the following steps of: in an acquisition region including a plurality of cells in, acquiring kPI, user identification and position information of a user in a mode that the user reports a measurement report periodically, and clustering the user by adopting a method based on an adaptive resonance theory (ART) network and a K-S test (Kolmogorov-Smirnov test) according to the KPI information; ; and judging and positioning an interrupted cell in an acquisition area by combining user position information according to a clustering analysis result. According to the invention, based on the ART method, the condition that there are few or even no tagged historical datain the network is fully considered, and can can accurately and effectively complete the cell interruption detection function in combination with K-S test method, and the method has a good positioningeffect on the interrupted cell by combining the position information.

A method relates to light based positioning is provided. The method comprises: responsive to receiving a light signal from at least one light source (200) available to the device (100), decoding a beacon from the received light signal, the beacon associated with the at least one light source (200); measuring signal strength of the received light signal; and determining a position of the device (100) at least in part based on the decoded beacon, the measured signal strength, and number of the at least one light source (200). In addition, the frequency channelization and random channel hopping may be utilized to further improve the performance.

A method of continuously mounting clips to first and second rods, which are abutted and crossed with each other, includes the steps of a) providing a clip dispensing gun; b) providing clips each having a first rod clipping portion fittable with the first rod and a second rod clipping portion fittable with the second rod; c) loading clips into a clip guiding portion of the clip dispensing gun; d) pushing one of the clips by a clip feeding member of the clip dispensing gun to advance one clip to a ready-to-be-fired position, and e) ejecting the clip in the ready-to-be-fired position out of the clip dispensing gun by using a striker of the clip dispensing gun for enabling first and second rod clipping portions of the ejected clip to be fitted with the first and second rods respectively.

The invention discloses a price mismatching tax evasion behavior identification method based on a tax payer benefit association network. The price mismatching tax evasion behavior identification method uses data of a tax bureau, combines with inspection cases, brings forwards a price mismatching tax evasion behavior, extracts a price mismatching group, and finally positions an enterprise associated with the tax evasion. The price mismatching tax evasion behavior identification method solves a problem that the tax evasion between associated enterprises is hard to find.

The invention provides an automatic armor steel positioning device for a heating furnace. The automatic armor steel positioning device comprises a furnace inside positioning machinery connecting rod, a limiting switch, a baffle and a baffle position retaining device, wherein the furnace inside positioning machinery connecting rod comprises a furnace inside part and a furnace outside part; the furnace outside part is used for mounting a limiting switch shifter; the baffle is arranged on the furnace inside part and positioned in a path by which a steel billet enters the heating furnace; when the steel billet is contacted with the baffle, the baffle is used for driving the furnace inside part, the furnace inside part is used for driving the furnace outside part and the limiting switch shifter; the limiting switch shifter is connected with the limiting switch and used for driving the limiting switch; the baffle position retaining device is connected with the furnace outside part and used for keeping the baffle in an initial position when an external force is not applied to the baffle. The automatic armor steel positioning device can be used for accurately and effectively positioning the steel billet, effectively determining the position of the steel billet, preventing the steel billet from colliding with the furnace wall of a furnace opening of the heating furnace and impacting the buffer baffle, and effectively improving the production safety and reliability.

The present invention provides a data tracking management method and apparatus. The method is characterized in that: the blockchain technology and the burying point technology are applied to the service transaction management of the bank; the credibility of the service data concerned by the service is realized through the blockchain technology; and through the burying point technology, a system identification, a transaction identification, an associated system identification and an associated transaction identification, together with the service data are added to the block for storage, so thatdata tracking can be realized, effective and accurate positioning on the transaction can be realized, and the method is very helpful for the bank to improve the supervision.

The invention discloses a method and a system for location and price information display of listed companies based on an electronic map. The method comprises: obtaining geographical position information of one or more listed companies; according to the geographical position information of one or more listed companies, displaying the listed companies in the corresponding positions of the electronic map in an associated manner; and according to a preset display rule, displaying corresponding price information and/or other information of the listed companies. Through the method and the system, distribution conditions of the listed companies in each geographical area are intuitively known in a detailed manner from a view of geographical position distribution, and according to the preset display rules, the corresponding price information and/or other information of the listed companies are displayed. Display measures are flexible and diverse, and information which can be displayed is flexible and diverse. Thus, each listed company even the price information and/or other information of whole market can be intuitively known in a detailed manner in an electronic map form.

The invention relates to the technical field of intelligent customer service, and discloses an intelligent customer service question-answering system based on a naive Bayesian classification algorithm, which comprises the following steps: 1) the voice input is performed by a user; 2) the voice recognition module recognizes the voice; 3) the language recognition module understands the natural language through a recognition algorithm; and 4) the understood questions are input into a question and answer engine. The method has the advantages that through voice input, voice recognition, natural language understanding and question and answer engine inputting, natural language understanding comprises user intention understanding and user question quick positioning, meaning to be expressed by language of human beings in various environments can be accurately and effectively recognized, and user experience is improved. Based on artificial intelligence technologies such as a deep neural networkand syntax dependence, the intelligent robot can accurately understand user problems and has intelligent capabilities such as intelligent questioning, semantic understanding accuracy exceeds 95%, andservice quality and efficiency are improved.

The invention relates to the field of test process improvement in research and development management, in particular to an application test method and device based on a call dependency relationship, comprising the following steps: searching for a to-be-tested application code by obtaining an application test request; searching a historical application code corresponding to the to-be-tested application code, comparing the to-be-tested application code with the historical application code, and determining a change node; determining a calling dependency relationship node corresponding to the modified node through call trace; determining a calling heat degree corresponding to the modification method, and determining a test key point and a test range; and testing the to-be-tested application code. From the perspective of to-be-tested application codes, the popularity data analysis of the user is carried out through the change nodes in the codes and the call dependency relationship nodes, sothat an affected change method in software version updating can be positioned more effectively and accurately; therefore, function verification and effective inspection can be more efficiently carried out on the hotspot service in the application test, and the efficiency of the application test is improved.