124results about How to "Implement automatic repair" patented technology

The invention discloses a point cloud based quick reconstruction STL digital model generation method. The method includes performing simplified filtering and characteristic extraction on input point cloud; performing curve reconstruction on surface point cloud on a digital model; establishing a model topologic relation on the STL digital model and performing grid simplification; performing hole detection and repair on the simplified STL digital model so as to remove defects in the model. According to the invention problems of laser scanning point cloud based STL model reconstruction can be solved effectively. The STL model is generated through steps including point cloud characteristic extraction, model reconstruction and the like and automatic repair of surface defects of the generated STL model is realized through grid simplification and hole repair technology, so that quick reconstruction of the STL digital model is realized and the availability of the reconstructed STL digital model is improved in the premise of keeping basic characteristics of point cloud, and great demands in different fields such as robot offline programming technology, automatic track planning technology and the like in a smart manufacture process can be met.

The invention relates to a preparing method for self-healing polysaccharide hydrogel. The preparing method comprises the steps that cellulose is added into ionic liquid to be dissolved, the mixture is then cooled to the room temperature, and a cellulose solution is obtained; the cellulose solution is heated and dripped with tert-butyl acetoacetate under the protection condition of introducing nitrogen, a reaction is carried out at the constant temperature, the solution is then cooled to the room temperature, purified and subjected to vacuum drying, and acetoacetic acid cellulose is obtained; under the room temperature, a chitosan solution is added into the acetoacetic acid cellulose solution, oscillated and mixed, and the self-healing polysaccharide hydrogel is obtained. The polysaccharide hydrogel prepared through the method has the self-healing performance, and has the pH responsiveness at the same time. The preparing method is simple in process, rich in raw material and suitable for modification of most polysaccharide derivatives; meanwhile, due to the good biocompatibility of cellulose and chitosan, the prepared polysaccharide hydrogel has good application prospects in the fields such as tissue engineering repair, medicine controlled release and biological bionics.

An embodiment of the invention provides a distributed transaction committing failure handling method and device. The method includes the steps: recording the state of a distributed transaction as an unfinished state by a first node after committing the distributed transaction at a first stage; transmitting a transaction state query request including the sign of the distributed transaction to a second node according to the recorded unfinished state of the distributed transaction after the first node fails or network connection between the first node and the second node fails and failure recovers; repairing the distributed transaction at a second stage according to the state of the distributed transaction returned by the second node. By the method, the problem that the distributed transaction cannot be automatically repaired when second-stage committing failure of the distributed transaction occurs can be solved, and atomicity and uniformity of the distributed transaction are ensured.

The invention provides a self-repairing anticorrosive coating. The self-repairing anticorrosive coating comprises the following parts: 0.5 to 5 parts (by weight) of corrosion inhibitor loaded stimulation-responsive mesoporous silicon dioxide and 95 to 99.5 parts (by weight) of resin cured substance. The anticorrosive coating provided by the invention has dual stimulation responsiveness to acids and reducers and can achieve self-repairing. After the coating is destroyed, a local microenvironment changes, a corrosion inhibitor loaded stimulation-responsive mesoporous silicon dioxide shell high polymer, i.e., N-tert-butyl carbonyl in the coating is subjected to hydrolyzed removal (under the stimulation of the acids) or dithio bond rupture (under the stimulation of the reducers) under the stimulation of outside acids or reducers (for instance sulfur ions), the shell high polymer is subjected to hydrophobic-hydrophilic conversion, then, mesoporous silicon dioxide pore passages are exposed,the loaded corrosion inhibitor is quickly released to form a protective film, and corrosion can be effectively inhibited.

The invention provides a web page element positioning method, apparatus and system. The method includes the steps of obtaining at least two positioning information of one or more web page elements of a web page to be tested, determining the optimal positioning information in the at least two positioning information, and using other positioning information for updating the optimal positioning information when the optimal positioning information cannot be used for positioning the web page elements and at least one other positioning information capable of being used for positioning the web page elements. The web page element positioning method, apparatus and system is used for quickly positioning the web page elements, improves the execution efficiency of the positioning of the web page elements, can automatically repair the positioning information of the web page elements, ensures the self-adaptability of the positioning information of the web page elements to the maximum extent and effectively reduces the maintenance cost of the positioning information of the web page elements.

The invention provides a flexible display device and a manufacturing method thereof. The manufacturing method of the flexible display device comprises the following steps: providing a flexible substrate; forming a display device layer on the flexible substrate; forming a first conductive pattern on the display device layer; forming a first dielectric insulation layer on the display device layer and the first conductive pattern, and etching the first dielectric insulation layer to form a trench; and forming a second conductive pattern in the trench, wherein the first conductive pattern and / or the second conductive pattern is made of a self-repair conductive material. According to the flexible display device and the manufacturing method thereof provided by the invention, a metal wire with a relatively quite high length-width ratio and a metal wire with a relatively quite low length-width ratio are formed step by step, the metal wire with the relatively quite high length-width ratio comprises a data line and a grid wire which are both made of the self-repair conductive material and can realize automatic restoration after a fracture, and thus the service life of the flexible display is prolonged.

The invention provides an intelligent nanometer container capable of preventing corrosion of copper and copper alloy, and preparation and application methods thereof, belonging to the technical field of corrosion prevention. Mesoporous silica microspheres with controllable particle size can be obtained by adjusting preparation conditions; by supporting a corrosion inhibitor reacting with a copper matrix, a protective film can be formed on the surfaces of copper and copper alloy thereof, so as to effectively inhibit the corrosion of the copper and copper alloy thereof; the surface of the mesoporous silica microspheres supported with large-capacity high-efficiency corrosion inhibitor is modified, and after the modified mesoporous silica microspheres are applied to an intelligent self-restoration anti-corrosion coating, not only can the compatibility of the mesoporous silica microspheres with the coating resin be further improved, but also the purpose of automatically controlling release rate of the corrosion inhibitor can be realized, and the purpose of remarkably improving the prevention effect of the common organic anti-corrosion coating and prolonging the prevention service life can be achieved. Especially when the coating is damaged, the coating has self-restoration function, and the prevention service life of the coating can be prolonged.

The invention provides a preparation method of a high polymer bonded explosive with a self-repair function, wherein the preparation method includes the following steps: step 1, firstly, carrying out areaction of excess diisocyanate with polyether / ester diol to produce a prepolymer with -NCO groups at both ends; step two, then, carrying out a reaction of furfuryl amine with a furan group with theprepolymer, to generate polyurethane with a furan end group; step three, carrying out a reaction of bismaleimide with the polyurethane, to generate a thermoplastic polyurethane with a DA bond; and step four, preparing a dilute solution from the thermoplastic polyurethane, and adding an explosive with metered proportioning; and heating to make the solvent gradually evaporated, then adding a properamount of deionized water, wrapping the surface of the explosive after the polyurethane is precipitated, filtering and drying, and thus obtaining the high polymer bonded explosive with the self-repairfunction. The invention also provides the high polymer bonded explosive with the self-repair function. The preparation method has the advantages of simple preparation process, mild conditions and high universality.

The invention discloses a damaged wall surface scraping and repairing device. The device comprises a moving trolley, wherein a moving lifting device is arranged on the moving trolley and used for providing lifting motion needed for scraping and repairing wall surface, and a wall surface scraping device is arranged on the left side of the moving lifting device; a wall body repairing device is arranged on the wall surface scraping device, wherein the wall body repairing device is used for spraying an interface agent and wall repairing paste to the wall surface with impurities scraped away so asto repair a wall body; and a lifting speed adjusting device is arranged on the upper side of the moving trolley, wherein the lifting speed adjusting device can adjust the downward moving speed of themoving lifting device according to the damage condition of the wall body, so that the wall body repairing device is sprayed the sufficient wall repairing paste onto the wall surface, and accordingly the repaired wall body has good quality. According to the damaged wall surface scraping repairing device, the damaged wall surface can be automatically repaired, the automation degree is high, the repairing quality is easily guaranteed, and the repairing quality is good.

The invention relates to a fault repairing method and device, computer equipment and a storage medium, and relates to the technical field of the Internet. The method comprises the steps that when it is determined that a domain name system (DNS) breaks down, fault characteristics of a fault are obtained according to log data of a target time period corresponding to the fault; fault types of the faults are determined according to the fault characteristics of the faults and the fault characteristics of the fault types determined based on the historical log data; according to the fault type, the repair processing information corresponding to the fault type is determined from the corresponding relation between the fault type and the repair processing information, and the repair processing information comprises fault possible positioning information and a repair instruction; and the repair instruction is run, and at least one system composition indicated by the possible positioning information of the fault in the DNS is repaired. The fault type of the fault can be automatically judged and repaired, manual intervention is not needed, the repairing speed is increased, the influence on normal use of a user is reduced, and the input of labor cost is also reduced.

The invention discloses a network scheduling method and a gateway. The method comprises the steps that a server information set is obtained, wherein the server information set comprises information of multiple servers connected to the gateway; the capacity values of all the servers are obtained according to the server information set; the capacity values of all the servers are compared, and the server with the optimal capacity value is selected as a current server; when a user instruction is received, the instruction is assigned to the current server to be processed. According to the network scheduling method and the gateway, by means of obtaining the capacity values of all the servers of the gateway, the server with the optimal capacity value is selected as the current server, servers with large capacity values can be selected dynamically to process information, server resources of the gateway can be reasonably optimized and allocated, the overload phenomenon occurring to certain servers can be prevented from occurring, and the processing efficiency on information by the gateway can be improved.

The invention relates to a cloud platform for conducting on-line monitoring on tail gas of a diesel vehicle. The diesel vehicle comprises a tail gas treatment system. The tail gas treatment system comprises a low-temperature heater, an oxidation type catalyst, a particle catcher and a tail gas pipe bypass. The low-temperature heater, the oxidation type catalyst and the particle catcher are connected to the tail end of a tail gas pipe of a diesel engine sequentially. The tail gas pipe bypass and the particle catcher are in parallel connection. The cloud platform comprises a wireless transmission module. The wireless transmission module achieves bidirectional data exchange with an electronic control unit and a local display module, is used for receiving GPS data, and achieves bidirectional data exchange with transmission link equipment of an operator. The transmission link equipment of the operator achieves bidirectional data exchange with a cloud intelligent platform server. The cloud intelligent platform server achieves bidirectional data exchange with a cloud memory, a PC client / intelligent terminal device and a command center. The electronic control unit comprises an automatic monitoring module, an automatic diagnosis module and an automatic repair module.

The invention relates to the field of performance testing, particularly uses static code scanning to perform compatibility testing on a to-be-tested page, and discloses a compatibility testing method,device and equipment and a storage medium. The method comprises the steps of monitoring a code submission event corresponding to the to-be-tested page, and obtaining a code change file according to the code submission event; abstracting the code change file to obtain a syntax tree corresponding to the to-be-tested page; loading a code scanning rule in a preset scanning rule base, and scanning nodes of the syntax tree according to the code scanning rule to judge whether the to-be-tested page has compatibility defects or not; and if the to-be-tested page has the compatibility defect, determining an error code corresponding to the compatibility defect and a repair code corresponding to the error code, and repairing the compatibility defect according to the repair code. The coverage rate andefficiency of compatibility testing are improved, and the tested compatibility defects can be automatically repaired.

The invention relates to the technical field of computer software, and discloses a method for automatically repairing a program crash defect based on question-answer website analysis. The method comprises the steps of obtaining multiple related web pages according to a crash track when a program crashes, wherein each related web page comprises a defect code for describing the crash and a repairing code for repairing the crash; extracting a fragment of the defect code and a fragment of the repairing code in each related web page; generating an edit script for repairing the crash according to the fragment of the defect code and the fragment of the repairing code; determining the position of an error code in a program source code according to the crash track and the defect code, and applying the edit script to repair the error code. According to the method disclosed by the invention, a repairing scheme can be automatically searched on the related web pages according to the crash track, and the corresponding edit script can be generated for repairing the crash, so as to get rid of the dependency on an operator during a repairing process, automatic repairing is realized, and the repairing accuracy is higher.

The embodiment of the invention discloses a method, a device and a system for data synchronism. The method comprises the following steps of: acquiring master home location register (HLR) user data in a master HLR and acquiring backup HLR user data in a backup HLR; converting obtained user data into master HLR user standard data and backup HLR user standard data according to a first preset rule; comparing the master HLR user standard data with the backup HLR user standard data to obtain difference user data; converting the difference user data into an operation instruction for modifying backup HLR difference user data in the backup HLR; and transmitting the operation instruction to the backup HLR for updating the backup HLR difference user data according to the operation instruction by the backup HLR. By the method, the device and the system provided by the embodiment of the invention, a signal fault point cannot be brought in.

The invention provides an automotive automatic repair, buffering and energy absorption device and belongs to the technical field of automobile parts. Two energy absorption boxes are fixedly connected between a fixing frame and a beam, wherein each energy absorption box is fixedly connected with a piezoelectric thin film; the fixing frame is fixedly connected with an overflow valve and a liquid tank; two ends of an energy absorption box flow inlet pipe are communicated with the front portions of the upper sides of the two energy absorption boxes respectively; the right portion of the energy absorption box flow inlet pipe is communicated with the back side of the overflow valve through an overflow valve flow outlet pipe; two ends of an energy absorption box flow outlet pipe are communicated with the rear portions of the lower sides of the two energy absorption boxes respectively; the energy absorption box flow outlet pipe and a liquid tank front side hole are communicated with two ends of a flow return pipe respectively; the middle of the flow return pipe is communicated with the right side of the overflow valve through an overflow pipe; the liquid tank is fixedly connected with a filter and a liquid level meter; an electric heating grid plate is arranged in the liquid tank which is filled with the non-Newtonian fluid; the overflow valve and the liquid tank are communicated with the bilateral sides of a miniature reciprocating pump respectively. According to the automotive automatic repair, buffering and energy absorption device, the automatic repair capability is achieved and the energy absorption effect is good; the temperature of the non-Newtonian fluid can be adjusted and accordingly the automotive automatic repair, buffering and energy absorption device can be suitable for the wide temperature range and various shape structures of energy absorption boxes; the energy absorption boxes can be recycled and accordingly the economic and environment-friendly effect is achieved.

A method for repairing a file system is disclosed, which includes detecting a file system and obtaining a state of that file system; the state indicating whether the file system is corrupt; sending afile system repair instruction according to the state of the file system; according to the file system repair instruction, the file system being repaired. As the method adopts an automatic control program to detect the file system, the state of the file system is obtained, a file system repair instruction is issued according to the state of the file system, and then the file system is repaired according to the file system repair instruction, thereby realizing the automatic repair of the file system and eliminating the need for manual repair by the user, thereby improving the user experience. Afile system repair apparatus is also disclosed.

The invention relates to an information system intelligent monitoring and management platform which comprises the steps that a service anomaly detection module, an abnormal characteristic module, an intelligent processing module, an abnormal characteristic database and an alarm module. The abnormal characteristic database stores a lot of abnormal processing information. The service anomaly detection module detects the operating state of a service program in real time. When an abnormality occurs, the abnormal operating state is transmitted to the abnormal characteristic module in real time. The abnormal characteristic module acquires the abnormal characteristic information of the service program. The abnormal characteristic information is transmitted to the intelligent processing module in real time. If the abnormal characteristic information matches the abnormal processing information in the abnormal characteristic database, the intelligent processing module automatically repairs the abnormal service program according to the instruction of the abnormal processing information. If the abnormal characteristic information does not match the abnormal processing information in the abnormal characteristic database, the alarm module switches on. According to the invention, a failed service program can be promptly found out; emerging problems can be intelligently processed; and an administrator is prompted to process the problems when the intelligent processing module cannot process the problems.

The invention discloses an eye cream with a canthus brightening effect. The eye cream is prepared from the following materials in parts by weight: 10-15 parts of glycerol, 20-25 parts of cetostearyl alcohol, 5-10 parts of emulsifier, 5-10 parts of folium mori extracted solution, 2-5 parts of fructus phyllanthi extracted solution, 5-8 parts of wild jujube extracted solution, 5-8 parts of spinach extracted solution, 10-14 parts of green tea seed extracted solution, 15-20 parts of bitter orange petal extracted stock solution, 2-6 parts of radix ophiopogonis extracted solution, 5-10 parts of flos matricariae chamomillae extracted stock solution, 2-6 parts of grapefruit extracted solution, 5-10 parts of liquorice root extracted solution, 2-5 parts of propolis extracted solution and 40-45 parts of deionized water. According to the preparation method of the eye cream with the canthus brightening effect, the skin of the canthus of a user can be effectively cared, and the folium mori extracted solution, the bitter orange petal extracted stock solution, the radix ophiopogonis extracted solution and the grapefruit extracted solution can accelerate the regeneration power of the skin, so that the skin can be more delicate and highly elastic, and the goals of whitening and freckle removal are achieved; and meanwhile, the brightness of the canthus can be effectively improved, and the care effect is ideal.

The invention relates to a silane coupler-coated self-restoration agent which is prepared from the following components in parts by weight: 100 to 130 parts of active mineral and 0.2 to 7.0 parts of silane coupler, wherein the active mineral is of mineral residues, coal ash, cement or coal gangue; and the KH560 silane coupler and the KH570 silane coupler are adopted. The invention further provides a preparation method and an application of the silane coupler-coated self-repairing agent. The active mineral is coated by the silane couplers, so that a waterproof protective film is formed on the surface of the active mineral. Thus, the activity of the active mineral is changed into the potential activity. Therefore, the active mineral cannot participate in a hydration reaction in a cement slurry system for well cementation, and can perform the hydration reaction only when the surface film of the active mineral is damaged due to the damage of a cement ring for the well cementation, so that a hydration product is formed so as to automatically repair the damaged position of the cement ring. As a result, the silane coupler-coated self-restoration agent has a great significance for guaranteeing the service life and the mining safety of oil and gas wells.

The invention discloses a method and device for rapidly detecting and repairing floor tile hollow regions in a building. The method includes the following steps of firstly, determining the hollow regions by striking floor tiles with a rubber hammer, marking the hollow regions, and drilling at least one small hole with the diameter of 2-5 mm in each hollow region, wherein the number of the small holes is on the basis of 1-3 small holes in each 1000+ / -500 square centimeters of hollow region; secondly, injecting clear water into the small holes, and keeping the state for 10-15 minutes after injecting the water, wherein the water injection amount is 8-15 milliliters per 100 square centimeters according to the hollow area; thirdly, injecting cement into the small holes while vibrating the floortiles in the hollow regions, wherein the cement injection amount takes the cement overflow from the small holes as the standard; and fourthly, cleaning up residual cement around the small holes, keeping the state for 6 hours or longer to dry the injected cement, and sealing the small holes with glass cement.

The invention discloses an automatic restoration agent of well-cementing cement rings of a rare-earth coordination type oil-gas well. The automatic restoration agent comprises the following components in parts by weight: 100-130 parts of active mineral and 2.0-8.0 parts of a rare-earth coordination type surface treatment agent, wherein the active mineral is mineral slag, pulverized fuel ash, cement or coal gangue; an inorganic powder multifunctional surface modification agent WOT102 or WOT108 is adopted as the rare-earth coordination type surface treatment agent. The invention also provides a method and an application of the automatic restoration agent of well-cementing cement rings of the rare-earth coordination type oil-gas well. According to the invention, the coating treatment is carried out on the surface of the active mineral by the rare-earth coordination type surface treatment agent and a waterproof protective layer is formed on the surfaces of the active mineral particles, so that the active material is converted from the dominant activity to potential activity; the automatic restoration agent can start hydration reaction when the cement rings are damaged, and formed hydration products can restore damaged parts, so that the automatic restoration of the well-cementing cement rings is realized and the significance for guaranteeing the service life and the mining safety of the oil-gas well is great.

The invention relates to an intelligent battery over-discharge failure protection device and method, belongs to the technical field of intelligent batteries, and solves the problem that an existing intelligent battery cannot recover to a normal working state after serious over-discharge. The device comprises a battery cell group, a charging and discharging interface, a control management unit anda control management unit power supply module. A first input end of the control management unit power supply module is connected in parallel with the battery cell group, a second input end is connected in parallel with the charge-discharge interface, and an output end is connected with a power input end of the control management unit. When the total voltage of the battery cell group is greater than the lowest working voltage of the power supply of the control management unit, the battery cell group supplies power to the control management unit; when the total voltage of the battery cell groupis less than the lowest working voltage of the power supply of the control management unit, external equipment connected in parallel to two sides of the charge-discharge interface supplies power to the control management unit. According to the device, when the control management unit stops working due to over-discharge of the intelligent battery, the intelligent battery can return to normal work through cooperation of external equipment.

Disclosed are a spiral conveyer fault automatic repair device and a spiral conveyer fault automatic repair method. The spiral conveyer fault automatic repair device comprises a first pneumatic gate arranged on a feeding side of a hanging bearing of a spiral conveyer and a second pneumatic gate arranged on a feeding side of a discharging port of the spiral conveyer, and further comprises a PLC (programmable logic controller) control module, a current transformer and a current transmitter which are arranged in a control cabinet, wherein a drive motor of the spiral conveyer is connected with thecurrent transformer, the current transformer is connected with the current transmitter, the current transmitter is connected with the PLC control module, and the PLC control module is respectively connected with the drive motor, the first pneumatic gate, the second pneumatic gate and a material blockage alarm. The spiral conveyer fault automatic repair device and the spiral conveyer fault automatic repair method perform real-time monitoring feedback and automatic judgment on a material blockage problem of the spiral conveyer, and performs repair. The spiral conveyer fault automatic repair device and the spiral conveyer fault automatic repair method solve the technical problems that a material blockage situation cannot be timely discovered, and needs field personnel to shut down the spiralconveyer and open the spiral conveyer for drawing and digging blocked materials even if discovered in the prior art.

The invention relates to the technical field of computers, in particular to a distributed database cataloguing management method and system, electronic equipment and a readable storage medium, and themethod comprises the steps that a database agent sends updated cataloguing information to a cataloguing server, wherein the database agent is front middleware for accessing a database, and cataloguesof the database are stored in the database agent; the cataloguing server sends the received database cataloguing update to a cataloguing database; and the catalogue database receives the database catalogue update and updates the stored database catalogue. According to the technical scheme, the catalogued data of the distributed database can be maintained more flexibly, the method can be maintained on the basis of both the cataloguing server and the database proxy node, the fault-tolerant capability is higher, the timeliness and consistency of the catalogued data of the distributed database oneach node are guaranteed, and the reliability of the catalogued data of the distributed database is improved. The continuous availability of the distributed database under the hybrid online transaction type load is ensured.

The invention discloses an optical lens surface scratching repair device which comprises an installing plate. An installing block is fixed to the upper end of the installing plate. Clamping mechanismsare arranged on the two sides of the installing block. A material pushing mechanism is arranged at the bottom end of the installing block. A supporting frame is fixed to the upper end of the installing block. A first connecting plate is fixed to the top end of the supporting frame. A first servo motor is fixed to the first connecting plate. A screw rod is fixed to an output shaft of the first servo motor. A transmission nut is connected to the screw rod in a thread transmission manner. The transmission nut is embedded in the middle of an elevating plate. Connecting rods are welded to the twosides of the lower end of the elevating plate. An installing box is fixed to the lower ends of the connecting rods. A second servo motor is fixed to the bottom end in the installing box through bolts.A repair grinding wheel is fixed to the end portion of an output shaft of the second servo motor. By means of the structure, optical lenses are clamped automatically, and repaired automatically, theworking efficiency is high, and the repair quality is good.

The invention discloses a connecting mode and structure of reinforced concrete hollow pipe pier joints based on steel plate connection. The connecting structure is mainly composed of a prefabricated pier segment, a steel plate, dampers, SMA rebars and SMA bolts; the prefabricated pier segment is a high-strength concrete pipe pier, and the vertical and horizontal bearing capacity of a connecting steel plate section is not lower than the corresponding bearing capacity of a pier segment section; a plurality of dampers are annularly arranged between the top surface of a bearing platform and the bottom surface of the steel plate; under the action of earthquake, a plastic hinge area is formed at the bottom of the pier, an upper connecting steep plate and a lower connecting steel plate can be opened and closed, a local swinging mechanism is formed by utilizing self-reset of the SMA bolts, and the energy consumption capacity is achieved; the dampers are stimulated to play a role, part of the earthquake energy is absorbed, the SMA bolts and the dampers are convenient for maintenance and replacement after the earthquake, under the action of the SMA rebars, the pier structure system has the function of self reset, and the damage of the plastic hinge area of the pier after the earthquake is reduced.

The invention relates to an electrical appliance self-maintenance method, device and equipment and a computer readable medium. The method comprises the steps of: acquiring real-time circuit parametersof a target to-be-tested circuit, wherein the target to-be-tested circuit is a circuit in a target electrical appliance; determining that a self-repairable fault occurs in the target electrical appliance where the target to-be-tested circuit is located by using the real-time circuit parameters of the target to-be-tested circuit; and carrying out self-repairable fault repair on the target electrical appliance. According to the invention, a more convenient fault prevention, fault detection and fault solution mode can be provided for a user, automatic repair can be achieved for some small problems which do not belong to major problems like hardware damage, meanwhile, a best solution can be recommended to the user when the electrical appliance of the user goes wrong, convenience is provided for the user, and some after-sales cost is saved for household electrical appliance companies.