347results about How to "Accurate repair" patented technology

There are provided a clogging determining device for a reducing agent passage and a clogging determining method for a reducing agent passage, which can accurately detect clogging and estimate a clogged place when clogging occurs in any place of a supply line or a return line.

The device includes pump driving control means for subjecting the pump to DUTY control so that a pressure value is kept to a predetermined value, driving DUTY determining means for determining whether the driving DUTY of the pump is less than a predetermined threshold value corresponding to the opening degree of the reducing agent injection valve, or not; pressure reduction amount calculating means for calculating a pressure reduction amount by which the pressure value detected by the pressure sensor is reduced within a predetermined time after the pump is stopped and the reducing agent injection valve is fully opened when it is determined that the driving DUTY of the pump is less than the threshold value, and clogging determining means for determining on the basis of the pressure reduction amount calculated by the pressure reduction amount: calculating means whether clogging occurs in the first reducing agent passage or the second reducing agent passage.

An aortic graft device ( 10 ) is provided with a graft portion ( 12 ) integrally fixed to a corrugated trunk portion ( 14 ). A fixing ring ( 16 ) is provided between the graft and trunk portions. The trunk portion ( 14 ) can be everted into the graft portion, leaving the fixing ring ( 16 ) at an extremity of the device for suturing purposes. The fixing ring ( 16 ) is preferably made from a relatively stiff material such as a compressed foam or rubber like material, which provides a relatively solid component for a surgeon to hold during suturing and which can provide a strong support for sutures.

Consumer safety of repaired vehicles can be improved by providing systems and methods for generating vehicle repair estimate reports based on predictive estimating and transmitting these reports to clients. A master server serviced by a vehicle manufacturer generates a vehicle repair estimate report based on predictive estimating and transmits this report to a client via a web-based graphical user interface. Also, a master server serviced by a vehicle manufacturer generates a vehicle repair estimate report based on predictive estimating and transmits this report to a client via a vehicle repair claims management user interface. The vehicle repair estimate report based on predictive estimating may comprise repair packages and repair information relating to recommended replacement parts and quantities thereof, the part numbers for the suggested replacement parts, the price estimate for the suggested replacement parts, manufacturer-recommended repair instructions, and other relevant information.

The invention discloses a continuous operational reference system (CORS) base station cycle slip detection and recovering method, which comprises the following steps that: firstly, an ionized layer residual method is used for carrying out cycle slip detection, a satellite with the cycle slip and the corresponding observation value are determined, then, a single-epoch dual-frequency observation equation is built according to the cycle slip detection results, the single-epoch dual-frequency observation equation is divided into two types, the first type is cycle-slip-free observation equations, the second type is cycle slip observation equations, the cycle slip generated by a non-reference satellite is used as a gross error, the cycle slip generated by a reference satellite is used as a system error, the first type observation equations are used for carrying out parameter estimation, the cycle slip of the reference satellite is determined, the estimated parameters are introduced into thesecond type observation equations, correction numbers are calculated, the cycle slip values of the reference satellite are obtained, and finally, the cycle slip base station observation data is recovered according to the relationship between the base lines in a CORS triangular net. Because the error time strong correlation of the precise coordinate, the dual-frequency convection layer, the ionized layer and the like is directly utilized, the cycle slip detection and recovery can be precisely carried out.

The invention provides a maintenance service system. A user requests maintenance according to identification codes arranged on user equipment by a maintenance service provider, and maintenance personnel of the maintenance service provider maintain and manage the equipment through the identification codes. The maintenance service system is characterized by comprising a maintenance requesting side moving device, a center management device and a maintenance side moving device, wherein the maintenance requesting side moving device is held by the user and used for requesting maintenance for the equipment, the center management device is in communication connection with the maintenance requesting side moving device and arranged on a maintenance center of the maintenance server provider, and the maintenance side moving device is in communication connection with the center management device, held by the maintenance personnel, and used for maintaining and managing the equipment to be maintained. According to the maintenance service system, the user can request maintenance rapidly and accurately, and the whole maintenance service process achieves electronization.

The invention discloses a data management system based on river ecological monitoring. The data management system comprises an ecological monitoring and evaluating module, a data management platform and a forecasting and early warning module, wherein the ecological monitoring and evaluating module is used for evaluating monitored river monitoring data according to multiple evaluation indicators to obtain an ecological monitoring and evaluating result of a river, and the ecological monitoring and evaluating result comprises the health condition, existing problems and development trend of a river ecological system; the data management platform can be used for managing the monitored river monitoring data and taking the ecological monitoring and evaluating result as shared data to realize information sharing and communication; and the forecasting and early warning module is used for forecasting and early warning the river based on the river monitoring data and the ecological monitoring and evaluating result. The data management system can be used for accurately and comprehensively evaluating the repair or maintenance effect of the river ecological system, thus comprehensively judging the ecological regime of the river from multiple aspects, and forecasting and early warning different emergencies.

The invention discloses a method for restoring an image shot by a cell phone based on motion detection. The problems that the texture of the prior art is rich, the structure is complicated and the image restoration under an obvious outline scene is incorrect are solved. The method comprises the following steps of: preparing a frame by utilizing shooting of a shutter frame in a short time before shooting; training a background model based on a hybrid gaussian background model to acquire the background model which is close to the real scene; performing outline extraction, false detection correction and motion target sequence extraction by a motion detection module to acquire a motion target sequence which is erased by a user; and finally, replacing pixel values at corresponding positions in a target by pixel values of a background model frame in a target restoration range selected by a user to complete the restoration of image information and acquire a shutter frame image which does not include motion obstacles. By the method, a target erasing area in the lower image of the scene is correctly restored, and the method is used for an intelligent cell phone to shoot pictures.

A new automotive collision repair technology is provided, including system and data flow architectures that are designed to provide enhanced data and enhanced data flow in the context of vehicle diagnosis and repair, particularly when repairs are necessary due to collisions. In some examples, the data flow through the network is streamlined, to avoid network congestion, to use fewer computer and network resources and/or to enable the utilization of smaller databases. In other examples, enhanced access to data in real-time and near real-time enabled by a Workflow Module supports more accurate and timely decisions on vehicle repair. An advantage of this new automotive collision repair technology is that it enables proper and proven repairs, which in turns increases operation safety of repaired vehicle and people safety.

An implantable medical device and a surgical instrument for using the device in a procedure for the treatment of vaginal vault prolapse are disclosed. In one form of the device, one attachment part attaches to the anterior and posterior parts of the vaginal apex, and the other attachment part attaches to anterior part of the sacrum. The two attachment parts are capable of being attached together during the procedure in a manner which permits appropriate adjustment of tension. The invention also includes an instrument which allows the pieces of the suspension material to be attached to each other and enables the appropriate suspension of the vaginal apex from the anterior part of the sacrum. In another form of the device, one attachment part attaches to the anterior part of the vaginal apex, another separate attachment part attaches to the posterior part of the vaginal apex, and another separate attachment part attaches to anterior part of the sacrum. The device and method permit the performance of a sacrocolpopexy by accessing the sacrum and vaginal tissues via the vaginal orifice, thus avoiding the abdominal cavity completely.

The invention discloses a cycle slip repair method of carrier phase in the satellite navigation positioning, belonging to the technical field of satellite navigation positioning and relating to the cycle slip repair method of a positioning receiver based on the carrier phase positioning process. The phase observation values of n epochs of carriers before the occurrence of the cycle-slip are selected to constitute a sequence (Xt), the (Xt) is firstly carried out with the modeling to obtain a forecast value x n plus 1 of the trend component and a first residual sequence (Yt); the first residual sequence (Yt) is then carried out with the modeling to obtain the forecast value y n plus 1 of the periodic component and a second residual sequence (Zt); then the second residual sequence (Zt) is carried out with the modeling to obtain the forecast value z n plus 1 containing the random component; the corresponding inverse transformation is finally carried out according to the forecast values obtained by various models, thereby obtaining the forecast value x n plus 1 of the carrier phase of the n plus 1st epoch at the occurrence of the cycle-slip and further completing the repair of the cycle-slip. The cycle slip repair method does not need the additional auxiliary information and can rapidly and accurately complete the cycle slip repair. The cycle slip repair method can rapidly, conveniently and reliably realize the high-precision positioning of the carrier phase measurement and can be widely applied in a high-precision navigation positioning system.

The invention discloses an image restoration method based on low-rank tensor completion and discrete total variation. The method comprises: introducing a discrete total variation regular term factor and integrating the discrete total variation regular term factor into a unified objective function; providing a method based on low-rank tensor completion and discrete total variation for natural imagerestoration, identifying a to-be-repaired pixel of the input damaged image; establishing the relation between known elements and unknown elements; performing diffusion in different directions on theboundary of the to-be-restored area, diffusing information of the undamaged area into the to-be-restored area to restore the image, and finally obtaining the restored image, so that the image restoration method is smoother in edge processing and more accurate in overall image restoration.

The invention realizes a tree point cloud three-dimensional reconstruction method based on a local structure and direction perception, and belongs to the technical field of space information. Considering the continuous characteristic of the branch direction and the point cloud density in the local structure, the method deduces a connecting relation of branches at a data missing position, an optimization equation and the iteration process of point cloud repair are designed, points in point cloud data are driven to contract and diffuse in the same time along the direction of a skeleton line by employing skeleton point cloud, the optimized point cloud does not produce extra noises, the contracted skeleton is employed to inherit the space association between adjacent iterations instead of depending on the optimized point cloud, and structural information of the original point cloud is fully retained. The radius of each node of the skeleton is calculated by employing a plant growth model, and the skeleton is expanded to a three-dimensional tree model according to the radius of each node. Compared with the conventional tree three-dimensional reconstruction method, point cloud of a deletion region can be more accurately repaired, and a better modeling result is obtained.

The present invention discloses an online fault diagnosis method for non-stationary fault characteristics of a million-kilowatt supercritical unit. The method disclosed by the present invention aims at the non-stationary and complex and changeable characteristics of the fault process of a million-kilowatt supercritical unit, and combines the co-integration analysis and the variable selection baseddual model for fault diagnosis. According to the method disclosed by the present invention, the non-stationary characteristics of the fault process of large coal-fired units are overcome, potential information contained in the faults is fully exploited, a dual diagnostic model is established to supplement each other, the problem of the difficulty in online diagnosis in the complex and non-stationary fault process is effectively solved, the performance of online diagnosis in the non-stationary fault process is greatly improved, and the on-site engineers can accurately repair the faults in a facilitated manner, so that the safe and reliable operation of the million-kilowatt ultra-supercritical generator unit is ensured, and production efficiency is improved.

The invention relates to a correction method for GPS data based on the speed constraint. The method comprises the steps that a speed constraint model is constructed, and the speed constraint model is a reference for performing GPS time sequence correction, i.e. the corrected GPS time sequences meet the speed constraint model; a restoration scheme is determined; and the selected GPS time sequences are corrected online according to the determined restoration scheme. The method can aim at more variable situations. Besides, performing of GPS data restoration is enabled to be more rapid and more accurate by using the constraint conditions.

The invention discloses a method for preparing a wear-resistance toughening coating layer on a surface of high-manganese steel. The method is characterized by comprising the steps of: (S1) pretreatment of a basal body before cladding, (S2) pretreatment of powder before cladding, (S3) cladding, and (S4) heat treatment after cladding. A plasma cladding technology, solid solution treatment and a coating layer surface aging process are adopted to prepare the Fe-Ni base alloy coating layer with high hardness, high wear resistance and high impact toughness; the surface hardness and the wear resistance of the basal body material are improved; the problem of easy cracking of a traditional hard particle reinforcing metal base wear-resistance coating layer under such conditions as medium and high stress is solved; and the prepared coating layer is excellent in metallurgical bonding with the basal body material, so that the comprehensive performance of the coating layer is greatly improved, the basal body material is protected more sufficiently, the service life of the basal body material is prolonged, and the application prospect is broad.

The invention provides an automatic diagnosing system for energy conservation, emission reduction and repair of an automobile. The system comprises an energy conservation and emission reduction detecting device, and an energy conservation and emission reduction diagnosing service center, wherein the energy conservation and emission reduction detecting device comprises an oil consumption detecting module, a tail gas emission detecting module, an OBD detecting module, an engine detecting module and a basis system detecting module, and is used for detecting energy conservation and emission reduction data comprising the oil consumption and the tail gas emission of the automobile so as to generate the detected data to be transferred to the energy conservation and emission reduction diagnosing service center to be processed; and the energy conservation and emission reduction diagnosing service center comprises a data analysis server, an intelligent diagnosis server, an on-line expert diagnosing module and an assisting server. The system can be applied to the comprehensive detection for the superscalar positions of the automobile and the intelligent network bug diagnosis, so that maintenance technicians can accurately repair and maintain in time, the unnecessary dismounting for the automobile is reduced, the energy-saving technology of the automobile is promoted, the consumption of the fuel and the discharge amount of the pollutants for the automobile are reduced, and the purposes of energy conservation and emission reduction are realized.

The invention relates to a uniformity restoration method after the brightness correction of an LED display screen, and the method comprises the steps: taking a correction coefficient map of red, green and blue colors as the basis, carrying out the gray scale processing of the correction coefficient map, obtaining a region with the inconsistent uniformity after brightness correction, carrying out the mapping of the region to the original correction coefficient map, carrying out the processing of the gray scale values of pixels in the region of the original correction coefficient map through a step-by-step weighting progressive change shrinkage algorithm, obtaining the corrected gray scale value of each pixel, replacing the correction coefficient of the region in the original correction coefficient map, and uploading the coefficient to the LED display screen for storage. According to the invention, an upper computer is taken as a development platform, and the method achieves a purpose of correction uniformity restoration through the correction of the corrected coefficient map, reduces the requirements for collection equipment and a collection mode, facilitates the engineering application, and saves the cost.

The invention discloses a fault detection method and fault diagnosis method for the non-stationary process of a large coal-fired generator set. The fault detection method and fault diagnosis method for the non-stationary process of a large coal-fired generator set integrate a co-integration analysis method with a sparse variable selection method for fault detection and on-line diagnosis, aiming at the classical non-stationary process of the large coal-fired generator set. The fault detection method and fault diagnosis method for the non-stationary process of a large coal-fired generator set can directly automatically isolate fault variables on line in real time, and do not need any historical fault information at the same time. The fault detection method and fault diagnosis method for the non-stationary process of a large coal-fired generator set effectively solve the problem of difficulty in fault detection and on-line diagnosis during the non-stationary process, thus greatly improving the performance of fault detection and on-line diagnosis during the non-stationary process, being conductive to accurate and quick repair of faults for a field engineer so as to guarantee safety of the large coal-fired generator set and improve the production benefit.

The invention relates to a steel rails fracture vehicle-mounted non-contact fast detection technique, comprising n wheel pairs, 2n sensors and 2n resonance demodulation convertors, wherein n wheel pairs are arranged in locomotive and vehicle; the 2n sensors are positioned on 2n axle boxes of the wheel pairs, which are used for detecting the wheel impact situation caused by fractured rails; 2n sensor signals are transported in parallel and synchronously to 2n corresponding matching resonance demodulation convertors; 2n resonance demodulation signals are transported in parallel to 2n corresponding AD channel of computer, which are output by 2n resonance demodulation convertors; the resonance demodulation signals are controlled by a plurality of rotational speed control signals output by a plurality of rotational speed interfaces; the speed automatic tracking and uninterrupted continuous sampling is processed to obtain 2n continuous samples which is obtained from the monitoring of each sensor to each trail and divided into two groups; the samples are sent to a computer fractured rail diagnosis expert system, which are real-time analyzed, diagnosed and detached out of the steel rails fracture information by the computer fractured rail diagnosis expert system; the real-time mileage coordinates are obtained from locomotive monitor system; the steel rails fracture information sends out the alarm through the 485 interface together with the real-time mileage coordinates.

The invention relates to a remote monitoring and fault diagnosis system of an AC charging pile. The system comprises a data collection module, a local monitoring terminal, a communication module and aremote monitoring platform, the input end of the data collection module is connected with the AC charging pile, the output end of the data collection module is connected with the local monitoring terminal, and the local monitoring terminal is connected with the remote monitoring platform via the communication module. Compared with the prior art, the working state of the charging pile can be monitored in real time, a concrete position of a fault can be confirmed when the fault occurs, a manufacturer is guided to maintain the charging pile more rapidly and accurately, and economic loss caused by the fault is reduced to the largest degree.

Provided is a reclamation and improvement method for a waste coal gangue stacking site. The method includes the steps of conducting reconnaissance and measurement on the waste coal gangue stacking site after earth surface arrangement, drawing the topographic map of the site, dividing into grids to conduct grid-type sampling, drawing the pH value distribution map of surface soil according a test result, according to pH value distribution, applying lime in a grading and zoning mode to adjust the pH value of the soil to neutral, after applying a basic fertilizer and spraying composite microbial inoculants, sowing green manure crops, and after turned root returning application, conducting crop rotation on commercial crops and returning application on crop straw. The method provides an effective solution channel for the reclamation, restoration and improvement of Chinese resource-based region coal gangue waste sites, especially, the high-sulfur-bearing waste coal gangue stacking site.

The invention relates to a self-sealed deodorization overflow-prevented floor drain. The principal part of the floor drain is set a bevel technology imbricated plate that has a knock-down block-type discharging pipe with tongue in it. There is sealed cushion at the bottom of the discharging pipe, and the dummy club matched to the tang on the inner wall of corresponding to the principal part of the floor drain is set outside of the pipe. Inner the discharging pipe there is discharging clamp plate with axial sleeve that has water leakage hole and an active discharging sewage storage pot. In the axial sleeve there is a clamp plate permanence magnet. The discharging clamp plate connects to the adjusting axial sleeve by screw. Lifting shaft is set in the adjusting axial sleeve and its top has lifting shaft permanence magnet. The self-sealed tie plate is connected to lining plank by locknut. The invention has a wide using foreground.

The invention provides a liquid crystal display panel repair method and repair system. The method includes the steps: firstly, providing a liquid crystal display panel with a broken circuit; secondly, forming graphene on the liquid crystal display panel by laser chemical vapor deposition to communicate the broken circuit. According to the liquid crystal display panel repair method and repair system, the graphene is formed at the broken circuit by laser chemical vapor deposition to repair the broken circuit, manufacture procedures are simple, repair effects are fine, common gases such as methane serve as carbon source gases, environmental protection is facilitated, the number of layers of the graphene can be controlled by controlling laser irradiation, the conductivity of the graphene is further controlled, and the repair effects are improved. Besides, the spot radius of laser can be adjusted, the resolution ratio of a graphene growth line can be controlled, a laser light path is adjusted, spots can be used for heating a broken circuit area according to a set path, and the needed graphene line or shape is deposited.