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491results about How to "Guaranteed match" patented technology

Method of positioning problem regions covered with indoor wireless network

The invention discloses a method of positioning problem regions covered with an indoor wireless network. The method comprises the following steps: constructing an indoor and outdoor combined three-dimensional spatial structural model of a target scene, wherein the scene comprises an indoor three-dimensional scene of a target building and an outdoor three-dimensional scene around the target building; recording and storing information of wireless access equipment which can be received by the target scene; establishing a wireless fingerprint database of the target building; collecting a wireless measurement report MR reported by common user equipment UE on the network side of the wireless access equipment, analyzing the MR, and initially judging the position of the common UE with problems; pretreating fingerprint identification data; and judging specific position information of the common UE through fingerprint identification. The method disclosed by the invention can precisely position the problem regions covered with the indoor network to position network apparatuses with faults by means of the measurement report of a user and an indoor signal fingerprint database in the building without on-site measuring by network maintenance personnel.
Owner:RANPLAN WIRELESS NETWORK DESIGN

Automatic welding process of skewed tube fillet of boiler separator

ActiveCN101310909AGuaranteed matchRealize automatic submerged arc weldingArc welding apparatusNumerical controlEngineering
The invention relates to a submerged arc welding technology of an eccentric oblique crossing tube on a separator, which is characterized in that the technology of the invention includes the steps that one end of the separator is placed on a driven turning roll while the other end of the separator is clamped by a numerical control positioner; the processed eccentric oblique crossing tube and the separator are fixed at melting points; a welding device is moved to the welding part of the eccentric oblique crossing tube on the separator; a welding gun of the welding device is aligned with the position to be welded and the welding device is started so that the numerical control positioner rotates the separator; the synchronous displacement of the welding device coordinates with the synchronous interlinking of the welding gun of the welding device and the numerical control positioner, which leads to that the position to be welded of the eccentric oblique crossing tube is always at the horizontal position required by the submerged arc welding technology so as to realize the continuous automatic welding. The submerged arc welding technology of the invention has the advantages of significantly enhancing the productivity and welding quality, reducing the labor intensity and improving the working conditions.
Owner:SHANGHAI BOILER WORKS

S-shaped curve based method for control track of shield tunneling machine

The invention relates to an S-shaped curve based method for control a track of a shield tunneling machine. The method comprises the steps of obtaining horizontal and vertical curve elements of a tunnel design axis; obtaining mileages of terminal points of S-shaped curves, which are set initially; calculating coordinates and azimuth angles at positions of mileages of terminal points of S-shaped curves; obtaining real-time attitude data of the shield tunneling machine; establishing the horizontal S-shaped curve; correcting mileages of terminal points of S-shaped curves; establishing the vertical S-shaped curve; judging whether the minimum curvature radiuses of S-shaped curves are less than the minimum turning radius of the shield tunneling machine or not, and obtaining mileages of terminal points of S-shaped curves again if the minimum curvature radiuses of S-shaped curves are less than the minimum turning radius of the shield tunneling machine; calculating an ideal stroke of a jack after the shield tunneling machine tunnels one ring along S-shaped curves; converting data of the ideal stroke into the required oil cylinder hydraulic pressure; and transmitting calculation results to the shield tunneling machine by a computer, controlling the shield tunneling machine to tunnel forward, and judging in real time whether S-shaped curves are required to be reconstructed or not. Compared with the prior art, the method has the advantages of being capable of finishing deviation rectification once, high in generality, capable of reducing the fluctuation of the track of the shield tunneling machine and the like.
Owner:SHANGHAI TONGYAN CIVIL ENGINEERING TECHNOLOGY CORP LTD

Aeromagnetic vector data processing method

The invention relates to an aeromagnetic vector data processing method. The aeromagnetic vector data processing procedures include: connecting an inertial navigation sensor with a magnetometer device, using an upper computer to receive data synchronously acquired by a magnetometer and an inertial navigator, synchronously processing the magnetometer data and the inertial navigator data and storing, correcting nonorthogonal degree of magnetometer data, correcting turning difference of the magnetometer data, transforming magnetic vector postures, and drawing a magnetic vector curve graph. Influences on data acquisition precision are specifically eliminated by singly correcting factors affecting acquisition precision of a magnetometer probe, precision of the magnetometer after secondary correction is greatly improved, matching of information acquired by the magnetometer and the inertial navigator is guaranteed by synchronously processing data of a magnetometer data packet and an inertial navigator data packet, and magnetic vectors are subjected to posture transform according to inertial navigator posture information, so that magnetic field data can be converted into magnetic vectors based on a fixed geographic coordinate system, and reliable vector data are provided for aeromagnetic measurement.
Owner:JILIN UNIV

Method and device for converting article into video, storage medium and equipment

The embodiment of the invention discloses a method and device for converting an article into a video, a storage medium and equipment, and belongs to the technical field of computers. The method comprises the steps of obtaining materials in a to-be-converted article; converting text materials in the materials into audios; obtaining a video template matched with the category to which the article belongs from a template library, wherein the template library comprises at least one video template, the video template matched with the category to which the article comprising the text material belongscomprises a typesetting template and a background picture, and the background picture is matched with the category to which the article belongs; and synthesizing the text material, the background picture and the audio according to the typesetting template to obtain a video. According to the embodiment of the invention, the method solves a problem that the text material and the background picturein the video are not matched because the pictures searched according to the keywords are not accurate when an article comprises the text material, guarantees the matching degree of the text material and the background picture, and improves the quality of the video.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Construction method for bridge with few brackets and bridge

The invention relates to a construction method for a bridge with few brackets. The construction method comprises a dual-hoop construction step. The dual-hoop construction step comprises the following steps of mounting dual hoops on the same pier column, wherein the dual hoops comprise a first hoop and a second hoop of which the structures are the same, the first hoop is provided with a first supporting piece, the second hoop is provided with a second supporting piece, and the first supporting piece and the second supporting piece are staggered in the radial direction of each of the pier columns; and mounting first cushion blocks on the dual hoops, wherein the top surfaces of the first cushion blocks and the top surfaces of the second supporting pieces are on the same level surface. The invention also relates to a bridge. The bridge comprises bridge piers and a cast-in-situ box beam constructed by the dual hoops which are erected by the method disclosed by the invention. An upper part structure is directly mounted to the first cushion blocks and the second supporting piece, so that the erection of the bracket is reduced, and the construction is convenient and fast; no-damage construction is performed on the pier columns, so that the construction efficiency is improved; and each of the hoops on the high pier columns adopts a corresponding dual-semicircle shaping steel die, so that the situation that the contact surface of the hoops and the contact surface of the pier columns are matched is guaranteed, and the hoops can be recycled.
Owner:江苏燕宁工程科技集团有限公司

Three-dimensional scanning system with rotary workbench

ActiveCN104251669AEasy coordinate positioningRebuild correctly and quicklyUsing optical meansData informationEngineering
The invention provides a three-dimensional scanning system with a rotary workbench. The three-dimensional scanning system with the rotary workbench comprises a base, a workbench, a spindle, a driving mechanism, a support frame, an optical transmitter module, an image shooting module and a controlling and processing module, wherein the workbench is rotatably installed on the base by the spindle and is used for bearing a scanned piece; the driving mechanism is used for driving the spindle to rotate; the support frame is installed on the base; the optical transmitter module and the image shooting module are both installed on the support frame; the optical transmitter module is used for projecting ray to the scanned piece; the image shooting module is used for shooting an image to the scanned piece; the controlling and processing module is used for converting image information into data information; the data information is operated to establish a data model; the controlling and processing module is respectively connected with the driving mechanism, the optical transmitter module and the image shooting module to control the driving mechanism, the optical transmitter module and the image shooting module to work. According to the three-dimensional scanning system with the rotary workbench, the scanned piece can automatically rotate to switch a shooting angle, the labor intensity is lowered, and scanning precision is improved.
Owner:日照坤元信息科技有限公司

Method and device for generating differential packet

ActiveCN104267978AGuaranteed matchReduce the probability of differential upgrade failureProgram loading/initiatingData fileDistributed computing
The invention provides a method and a device for generating a differential packet, relates to the field of upgrading, and aims to reduce the probability of failure in upgrading of the differential packet of mobile equipment caused by mismatch of the differential packet caused by change of a differential resource packet of an original edition and the original edition used by the mobile equipment. The method comprises the following steps: acquiring the differential resource packet of the original edition and the differential resource packet of a target edition, and generating the differential packet by using the differential resource packet of the original edition and the differential resource packet of the target edition, wherein the step of acquiring the differential resource packet of the original edition comprises the sub-steps: compiling a source code of the original edition to generate a data file and the differential resource packet; determining whether a backup file in the data file is the same as a difference file in the differential resource packet; recompiling the data file generated and updated by the source code and the updated differential resource packet under the condition that the backup file is not the same as the difference file; or updating the difference file to be the same as the backup file to obtain the updated differential resource packet.
Owner:QINGDAO HISENSE MOBILE COMM TECH CO LTD

Supercritical unit coordinated predictive function control algorithm

ActiveCN107065518AProve excellent performanceSimple structureAdaptive controlSteam pressureClosed loop
The invention discloses a supercritical unit coordinated predictive function control algorithm. It is difficult for a conventional PID control system to consider the rapidity of load and stability of pressure and temperature at the same time, the quality of a coordinated control system needs to be improved. According to the supercritical unit coordinated predictive function control algorithm, predictive function control is applied to a pressure closed loop of a supercritical unit coordinated control system, a main steam pressure predictive function control system is formed. A control valve instruction and a coal quantity instruction are taken as a disturbance signal source of the whole pressure system. The predictive function control is applied to a temperature control loop of the supercritical unit coordinated control system, and an overhigh temperature prediction function control system is formed. A water supply instruction is taken as a disturbance signal source of a whole temperature system. According to the supercritical unit coordinated predictive function control algorithm, the control quality of the supercritical unit coordinated system is improved, and the rapidity of load and stability of pressure and temperature are considered at the same time.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +1

Method of counting passenger flow in passenger station non entrance-exit area based on video monitoring

The invention provides a passenger flow counting method. In view of the feature that an image photographed at the passenger station non entrance-exit area is likely to be blocked, head and shoulder haar-like features which are not likely to be blocked and whose forms remain basically unchanged of the passenger are raised to detect the passenger, the accuracy of detecting whether to be the passenger is high, and the method is applicable to an application scene in which the passenger image is blocked. After detection, through a Kalman filter and the above passenger detection method, double tracking is carried out on the position of each frame of image of the passenger, and thus, the tracking accuracy is ensured. Experiments prove that the method can achieve good tracking effects in view of features that poses of passengers at the passenger station non entrance-exit area are changeable, behaviors are complicated, and the walking directions are hard to predict. Through accurately detecting and tracking the passengers, the method provided by the invention can effectively record the movement track of the passenger, passenger target matching is ensured, error detection and missing detection are reduced, and the person number counting precision is improved.
Owner:SUN YAT SEN UNIV

Method, device and system for controlling hydrostatic power transmission system

The invention discloses a method, a device and a system for controlling a hydrostatic power transmission system. The device for controlling the hydrostatic power transmission system comprises a minimum rotational speed acquisition module, an engine rotational speed control mechanism and a control quantity acquisition module. An engine rotational speed calculating mechanism in the minimum rotational speed acquisition module acquires load power according to data acquired by a motor rotational speed sensor and a hydraulic motor pressure sensor, and then acquires the minimum rotational speed of an engine according to the load power. The engine rotational speed control mechanism controls rotational speed of the engine according to the minimum rotational speed. A displacement calculating mechanism in the control quantity acquisition module acquires required displacement of a hydraulic pump and required displacement of a hydraulic motor according to the minimum rotational speed and an input value of an equipment running speed input mechanism, and a hydraulic pump control mechanism and a hydraulic motor control mechanism control displacements of the hydraulic pump and the hydraulic motor according to the required displacement of the hydraulic pump and the required displacement of the hydraulic motor. Once the speed required for running equipment is input by operators, the device can automatically control the engine to run at the minimum rotational speed and realize matching of the displacements of the hydraulic pump and the hydraulic motor.
Owner:SANY HEAVY IND CO LTD (CN)

Effective enterprise-technology-requirement exploring and butting-joint method

The invention relates to an effective enterprise-technology-requirement exploring and butting-joint method. The method includes the steps of S1, requirement exploring, wherein the technology requirements of an enterprise are collected through industry analysis, data collection, technical discussion and entrepreneur interviewing; S2, requirement evaluating, wherein the technology requirements collected in the step S1 are evaluated, identified and determined to obtain an accurate technology-requirement information table; S3, requirement butting joint, wherein according to the accurate technology-requirement information table obtained in the step S2, matched specialists are found to serve as a technology-requirement supplier, and after the specialists collaborate and inspect, the enterprise and the specialists sign a contract; S4, follow-up service, wherein after the contract is signed, the specialists provide matched supporting services for the enterprise to guarantee successful conversion of technological achievements and successful solving of the technology requirements. The effective enterprise-technology-requirement exploring and butting-joint method has the directivity and the pertinence for technology-requirement exploring of different enterprises, the technology requirements of the enterprise can be really identified, and the matched specialists can be found for butting-joint guidance; the conversion ratio of technological achievements of the specialists is increased, and the technology requirements of the enterprise are successfully met.
Owner:广州博士信息技术研究院有限公司
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