49results about How to "Improve match quality" patented technology

A method for linking related data, such as metadata, from at least two data sources. The method includes formatting items of data of the data sources according to attributes. The method also executes a scoring algorithm for one or more of the attributes to generate a score for one or more sets of the formatted items of data, each of the sets includes an item of data from one data source and an item of data from another data source. Finally the method identifies related items of data of the separate data sources based upon the generated scores to facilitate linking related data of the two data sources. The method may also provide a link between data items of the data sources.

The invention relates to a matching link of a plate blank of an iron and steel enterprise, belongs to the technical field of automation and particularly relates to a plate blank and contract transferring and matching method for improving the utilization rate of the plate blanks of the iron and steel enterprise, comprising the following steps of: downloading plate blank information and contract information; establishing a mathematic model; carrying out parameter setting on the mathematic model; grouping the plate blanks and contracts; carrying out tabu search algorithm on each group of contract data and each group of plate blank data based on a multi-neighborhood to obtain a matching relation again; and checking a result of the step five; if the result meets the requirements, delivering and executing. Aiming at the condition that a plate blank and contract matching relation is unreasonable, the invention provides the plate blank and contract transferring and matching method, namely the plate blanks in all the contracts are taken off to break through the previous plate blank and contract matching relation; and on the precondition that a unit capacity is balanced, optimization and matching of all the plate blanks capable of being matched and the contracts capable of being matched can be carried out again, so that the matching quality of the plate blanks is effectively improved, the cutting loss amount of the plate blanks is reduced, the residual material amount of the contracts is reduced, the integrity of the contracts is improved and the delivery just-in-time of the emergent contracts is guaranteed.

The present invention utilizes an integrated information structured abstract service system and service method to provide structured abstract service for network integrated information service. Said system includes structured abstract template of integrated information, structured abstract service function templete and integrated information structured abstract release and searching information storage database. The structured abstract template can be used for guiding the user to release and search various information abstracts, and the system server can be used for making automatic matching of the integrated information structured abstract information storage data by adopting various forms so as to raise and improve accuracy, simple and clear property and univer sality of integrated information release and searching service.

The invention discloses a power lithium ion battery grouping method. The method comprises 1, selecting cells belonging to the same batch, same type and same material system, carrying out a charging and discharging test on the cells and removing the cells unqualified in platform time and a charging constant current ratio, 2, selecting the cells with capacities greater than the lower limit capacity as qualified cells, dividing the cells into N grades according to a certain capacity range M and dividing the cells into P grades according to a certain charging constant current ratio, 3, standing the uncharged cells in a T DEG C environment for t1 days and standing the cells at the room temperature for t2 h, 4, testing voltage and internal resistance, removing the cells of which voltage and internal resistance exceed a certain range and dividing the cells with the same grade of capacities and the same grade of charging constant current ratios into Q grades according to a certain voltage scope, and 5, grouping the qualified cells with the same grade of capacities, the same grade of charging constant current ratios and the same grade of voltage. The method utilizes dynamic and static combination, takes into full consideration of single cell difference, improves grouping accuracy and greatly improves battery performances.

The invention discloses a visual odometer implementation method based on ORB feature points and a GMS matched filter. The visual odometer implementation method comprises the steps: employing an RGBD camera or a binocular camera for collecting video streams; for each frame of image, based on the current pose of the camera, obtaining feature points (including two-dimensional pixel coordinates, three-dimensional world coordinates and a brief descriptor of angular points corresponding to the feature points) in the image; matching the feature points between the current frame and the previous framein combination with a GMS matching filter; solving a PnP problem according to the matched feature points of the previous frame to obtain a camera pose of the current frame; simultaneously optimizing the camera pose and the three-dimensional world coordinates of the feature points of a plurality of nearest continuous frames by using a Bundle AdJustment; calculating a bag-of-word vector of the current frame by using a bag-of-word model, and judging whether the current frame needs to be stored as a key frame or whether loopback occurs or not; if loopback occurs, optimizing the related key framesby using fast loopback optimization. According to the method, under the condition of ensuring that the re-projection error of the camera is small enough, compared with a traditional singular value decomposition method, operation is simpler and more convenient, and real-time performance is ensured.

A re-matching method of slab-order for improving slab utilization in iron and steel plants, comprising the steps of Step 1: formulating a mathematical model according to information of slabs and orders, so as to quantitatively describe the optimization problem of slab-order matching; Step 2: dividing the slabs and orders into groups; Step 3: generating a new slab-order matching relationship for each group of slabs and orders by using a multiple neighborhoods based tabu search algorithm on the basis of the formulated mathematical model, tries to re-optimize the matching relationship with consideration of the original slab-order matching relationship and the load balance of all equipment units, so as to improve the slab-order matching relationship, decrease the slab cutting loss, reduce the redundant slab weight of each order, and improve the integrity of an order, thus improving slab utilization, ensuring to deliver an urgent order on time, and improving the customer satisfaction.

The invention discloses a reverse-flow full-automatic battery grouping method and a reverse-flow full-automatic battery grouping system based on dynamic optimization. The battery grouping system comprises a battery performance detection device, a conveying device, and a main control computer. In the conveying device, an input conveyor belt and one side of an annular conveyor belt are parallel to and connected with each other, the annular conveyor belt and an output conveyor belt are perpendicular to and connected with each other, and the output conveyor belt and an outlet conveyor belt are perpendicular to and connected with each other. A baffle, a push-in cylinder and a photoelectric door are arranged at the tail end of the input conveyor belt. A push-out cylinder and a photoelectric door are arranged at the joint of the annular conveyor belt and the output conveyor belt, and a sensor is arranged beside the push-out cylinder. The distance between the push-out cylinder and the push-in cylinder is equal to the spacing between two adjacent batteries on the annular conveyor belt. The battery grouping method comprises the steps of battery input and grouping optimization calculation, battery pushing-out, and battery grouping output. By adopting the battery grouping method and the battery grouping system, real-time grouping optimization selection can be carried out according to the current state, and the quality and success rate of grouping are improved.

The invention discloses a single-phase direct-current motor driving chip and a chip drawing method. The chip comprises a digital layout area and an analog layout area, wherein the digital layout areais separated from the analog layout area, a digital module is arranged in the digital layout area, an analog module is arranged in the analog layout area, the digital module and the analog module areconnected with each other through a signal line, and the signal line is provided with ground wire shielding. The chip drawing method comprises the following steps: step 1, determining the area of thechip; 2, determining the shape of a protection ring; 3, planning the position of the modules; 4, carrying out layout and drawing; step 5, carrying out DRC / LVS verification; step 6, carrying out post-imitation; and step 7, carrying out delivery and manufacturing.

The invention discloses a video incidental music recommendation method based on a neural network technology, and the method comprises the steps: inputting a video set containing a plurality of to-be-incidental music videos and a music library containing a plurality of to-be-selected incidental music videos into a pre-trained style label prediction model for analysis, obtaining video style label information corresponding to the video set and audio style label information corresponding to each segment of to-be-selected music; according to the video style label information corresponding to the video set and the audio style label information corresponding to each segment of the to-be-selected incidental music, calculating a matching value between the video set and each segment of the to-be-selected incidental music; and according to the video set and the matching value of each segment of the to-be-selected score, screening out a target score from the music library to serve as the score of the video set. Therefore, the method can enable the pre-trained style label prediction model to have a better fusion capability for the characteristics of two different modes, namely audio and video, so that the matching quality of the finally recommended dubby music and video can be improved. The invention also relates to the technical field of blockchains.

The invention provides a feature matching method based on an attention mechanism and neighborhood consistency. The method comprises the following steps: extracting a picture key point and a descriptor thereof by using a convolutional neural network; key point positions are coded, and position information is fused into descriptors; using a self-attention network and a cross-attention network to enhance the characterization capability of the descriptors and searching a corresponding relation between the descriptors of the two pictures; constructing a graph by using a k-nearest neighbor algorithm according to the attention weight, evaluating neighborhood consistency of nodes by using a graph neural network, and fusing consistency information into attention aggregation; and according to the enhanced descriptor, calculating a matching result by using a Sinkhorn algorithm and mutual neighbor screening. The invention provides a method for integrating neighborhood consistency into an attention mechanism, the neighborhood consistency in the attention aggregation process is dynamically evaluated while global context information is aggregated by the attention mechanism, and local information and global information are combined to jointly enhance the characterization capability of a descriptor, so that higher-quality matching is obtained.

The invention relates to a lithium ion battery group matching method, which includes: S1. subjecting a plurality of lithium ion batteries to electric discharge to cut-off voltage, and then performing standing; S2. conducting constant current charging on the plurality of lithium ion batteries to cut-off voltage, recording the charging capacity C1, the charging mean voltage V1 and the first voltage change value delta E1 before and after charging, and then conducting laying; S3. Performing constant-current discharge on the plurality of lithium ion batteries to cut-off voltage, measuring the discharge capacity C2, the discharge mean voltage V2 and the second voltage change value delta E2 before and after discharge, and then conducting laying; S4. conducting charging on the plurality of lithium ion batteries, then performing laying, and measuring the voltage drop delta V and internal resistance R; and S5. according to C1, V1, delta E1, C2, V2, delta E2, delta V and R, carrying out group matching based on grading standards. Through the lithium ion battery group matching method provided by the invention, group matching can better coincide with the actual state, and the use performance of a battery module can be better, thereby realizing safe and efficient use of the battery module.

The invention discloses a method for group matching of power lithium-ion rechargeable batteries. The method comprises the following steps: one-step charge and discharge detection is conducted to the power lithium-ion rechargeable batteries and the batteries with capacities larger than lower limit capacity are taken as acceptable batteries; the acceptable batteries are charged to a state with 50-90 percent of rated capacity and the rechargeable batteries with acceptable voltage drop are sorted; the obtained acceptable batteries are fully charged and are connected in parallel for at least 4 hours to enable the voltage difference between any two rechargeable batteries to be less than or equal to 1mV; the obtained rechargeable batteries are connected in series to discharge, the voltage of each rechargeable battery during discharge is acquired and recorded, and the discharge is stopped when the voltage of any battery reaches cutoff voltage; and a voltage difference standard is set according to the number of series batteries required for group matching and the battery voltage at the moment of discharge cutoff, and the batteries with voltage differences within the preset range are matched into a group. Since the parameters of the batteries are measured and sorted under the simulated battery use conditions and the single rechargeable batteries with close characteristics are sorted, the quality of the group matching is improved.

The invention discloses a multi-hearing-aid matching device which comprises a matching model and a base machine box. The multi-hearing-aid matching device is characterized in that a plurality of sets of artificial ear canals are symmetrically arranged on the two sides of the matching model, a hearing-aid is arranged in each artificial ear canal, the distance between two artificial ear canals in each set simulates the distance between the two ears of a human body, at least one earphone jack capable of being connected with the hearing-aids in the article ear canals is formed in the base machine box, and detecting earphones are inserted into the earphone jacks. According to the multi-hearing-aid matching device, the artificial ear canals are arranged on the matching model so that the hearing-aids can be put in the artificial ear canals at the same time, and a matching person can carry out fast switching and compare effects conveniently in the matching process. The human ears are simulated to hear sounds from the two sides of the head, and the matching effect is more real and accurate. The distance between every two artificial ear canals is arranged to simulate the distance between the human ears, and the matching quality of the hearing-aids is further improved. The earphone jacks are formed in the base machine box, and multiple persons can try to hear synchronously and conveniently.