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156 results about "Automotive product" patented technology
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Dynamic quality detection method for whole assembly of automobile products
InactiveCN103245513AEnsure the quality level of mechanical assemblyVehicle testingAutomotive productFrequency response
The invention relates to a dynamic quality detection method for whole assembly of automobile products. The method comprises the following steps: N assembly welding or bolt junction points between the chassis component and the automobile body component of the automobile product are selected as standard detection points, and the dynamic rigidity of the assembly coupling junction interface where the N detection points are located form a complex matrix (Kd); excitation test is performed on the positions of the standard detection points, the matrix element of a frequency response function of test signals is recorded, and a standard value (Kd)0 is calculated; excitation test is performed on the automobile products of the same model number, the evaluation index value (Kd)n of the nth detected automobile product is calculated, the absolute value of difference value between the evaluation index value (Kd)n and the standard value (Kd)0 is calculated according to the formula that delta = |(Kd)n - (Kd)0 |; and if the ith diagonal entry magnitude of the absolute value is smaller than a reference value, the dynamic quality of the ith welding of the automobile product is regarded as excellent, otherwise, the dynamic quality of the ith welding of the automobile product is regarded as poor or moderate-level. Through the dynamic quality detection method, the dynamic quality of the machine assembly of the automobile products can be directly detected and evaluated.
Owner:JINAN UNIVERSITY
Coining holographic images into contoured surfaces on hard temper metal products
InactiveUS20040221639A1Minimize possible adverse effectUniform thicknessExtrusion diesAutomotive productHard metal
A method for coining holographic images or holograms in a contoured or tapered surface of hard metal articles such as automotive products and sporting and fitness products including ball bats using a split die having an interior surface mirroring the contoured or tapered surface of the metal article.
Owner:ARCONIC INC
Intelligent connected vehicle environment simulation system based on complete vehicle hardware-in-loop
ActiveCN110647056AImprove test accuracyIncrease credibilityVehicle testingSimulator controlVehicle dynamicsAutomotive product
The invention relates to the technical field of automatic driving of intelligent vehicles, and discloses an intelligent connected vehicle environment simulation system based on complete vehicle hardware-in-loop. The system comprises a hub dynamometer, a control system of the hub dynamometer, a steering and transverse movement platform, a moving target, an environment simulation system, a positioning simulation system, a V2X simulation system, a central control system, a vehicle dynamics model, a vehicle steering and transverse movement platform control unit and a data acquisition module. According to the intelligent connected vehicle environment simulation system based on complete vehicle hardware-in-loop, the whole vehicle comprising a sensor can be taken as a tested object; a test systemintegrates physical weather and traffic simulation devices, so that the test precision and credibility of the system are greatly improved, meanwhile, the test efficiency can be improved; and the system is an effective test tool for accelerating realization of intelligent connected vehicle products.
Owner:苏州智行众维智能科技有限公司
Tinted spraying technology for automobile body
InactiveCN102728531AGuaranteed weather resistanceKeep the glossPretreated surfacesCoatingsManufacturing cost reductionWeather resistance
The invention discloses a tinted spraying technology of an automobile body. The tinted spraying technology comprises the steps of a procedure of pretreatment on the automobile body at an early stage, a procedure of floating coat and tinted finish spraying at a middle stage and a repair procedure at a later stage, wherein the 'tinted finish drying' procedure in the prior art is eliminated in the floating coat and tinted finish spraying procedure at the middle stage; the spraying of tinted finish is adjusted to be performed after 'the floating coat spraying' instead of after the 'finish drying' in the prior art; and the tinted finish as well as a floating coat film is changed into wet-to-wet spraying and is dried in a floating coat drying furnace, so that the procedure special for drying the tinted finish in the prior art is eliminated. According to the invention, on the premise of guaranteeing the long-term performance of weather resistance, gloss, distinctness of image, corrosion resistance and the like, and physical and chemical performance indexes to be equal to the automobile body performance indexes of the original spraying technology, the heating energy consumption and labor consumption of a coating and assembling line are saved, thereby achieving the aims of improving the coating and assembling production capability, lowering the manufacturing cost, and improving the market competitiveness of automobile products.
Owner:郑州日产汽车有限公司
Product delivery system
InactiveUS7065940B2Minimize potentialEnsure integrityAcutation objectsLiquid fillingAutomotive productDelivery system
Owner:SHELL OIL CO
A lexical vector-based emotion analysis method for automotive product reviews
PendingCN109408809AAddressing Semantic BiasResolve ambiguitySemantic analysisSpecial data processing applicationsKernel principal component analysisAutomotive product
The invention discloses a lexical vector-based emotion analysis method for automotive product reviews. The method comprises the following steps: acquiring automobile domain keyword database and preprocessing the original text to form text to be labeled; obtaining the automobile domain keyword database and preprocessing the automobile domain keyword database to form text to be labeled. For the sample to be marked, the sample is selected according to the time span standard and the vehicle type grade standard. Word2vec model is used to obtain the word vector of the text to be analyzed, and the high-dimensional sentence vector is obtained from the mean value of the word vector. PCA principal component analysis is used to reduce the dimension of high-dimensional sentence vector, and the reduceddimension sentence vector and the result of affective classification are used as feature training SVM classifier. The classifier is used to analyze the emotion of the new text, and the result of emotion analysis is generated. The invention is based on the automobile product knowledge ontology, pertinently builds the domain thesaurus, effectively labels the comment text in the domain, and obtainsmore accurate emotion analysis results by using the word vectorization and the machine learning model.
Owner:TIANJIN UNIV
Commercial vehicle mudguard support assembly test stand and endurance test method
InactiveCN106950053AEasy to buildQuick and easy fixture makingVehicle testingMachine part testingCircular discFender
The invention discloses a commercial vehicle fender bracket assembly test bench and a durability test method, which belong to the technical field of performance testing of automobile products, and include a linear actuator, a connecting fixture, a fender bracket and a fender assembly; Wherein, the connecting fixture includes a fixture bottom plate and a bracket connecting vertical plate, and the clamp bottom plate is used for connecting the fixture bottom plate with the top disc of the linear actuator; the bracket connecting vertical plate is connected with one end of the fender bracket; The other end of the fender bracket is fixedly connected with the fender assembly; the structure is simple and compact, has high versatility, saves time and high efficiency, is easy to process, and has high work efficiency. The durability test method described in the present invention aims at strengthening the road load spectrum signal in the test field, and can truly reproduce the vibration state and the vibration state in the vertical direction of the fender bracket assembly in the test room under the actual vehicle working condition by means of simulation iteration. In order to realize the durability performance assessment and test certification of the fender bracket assembly.
Owner:CHINA FIRST AUTOMOBILE
High performance moldable composite
ActiveUS20160121814A1Strong physical propertiesPrevent crystallizationWallsLaminationHigh resistanceAutomotive product
A moldable composite with high heat resistance and noise absorption properties utilizes nonwoven fabrics and a heat resistance additive. The composition that provides both superior acoustic performance and excellent flex modulus that may be utilized in automotive products and applications in interior and exterior structures. A blowing agent may be utilized to create micro porous cells in a polymer non-woven structure. The cells or voids make the material lighter and allow the material to have superior acoustic properties that are useful in automotive applications.
Owner:NONWOVEN NETWORKS
Imitation inner leather non-woven fabric and preparation method thereof
InactiveCN102587037AEasy maintenanceHigh tensile strengthNon-woven fabricsVegetal fibresPolyesterWear resistant
The invention discloses an imitation inner leather non-woven fabric and a preparation method thereof. The preparation method comprises the following steps of: (1) web processing: forming a preliminary web which comprises a fiber layer after opening, carding and spreading the raw materials, namely polyester fibers; (2) needling reinforcing: carrying out double-sided needling reinforcing on the fiber layer by utilizing a double-sided needling loom so that two strip-type needled fiber bundles with opposite directions are formed in the fiber layer; (3) impregnation: causing the reinforced web to enter an impregnation machine to be bonded with prepared thermal-sensing high wear-resistant emulsion resins through thermal coagulation; (4) drying: drying and setting the impregnated web to form a fabric; and (5) leather grinding: grinding the surfaces of the fabric obtained in the step (4) to be flat by utilizing a leather grinding machine to achieve real leather handfeel. The non-woven fabric and the preparation method have the following beneficial effects: environment maintenance can be improved by the preparation method; and the prepared non-woven fabric is very suitable for preparing sports goods and automotive product base materials which are required to have high wear resistance, uniform thickness and flat surfaces, not to fade and to be soft.
Owner:KUSN SHENGYU NON WOVEN FABRICS
Track sphere wheel assembly
The Track Sphere Wheel Assembly is a new and useful automotive product. This invention offers a spherical wheel and tire combination for the 21st Century. The invention will accommodate electric motors at each Track Sphere wheel location for propulsion which eliminates the requirement for heavy steel drivetrains.
Owner:BERRY BENJAMIN LAWRENCE +1
Intelligent cloud automobile
InactiveCN103457983AGuaranteed Distributed ImplementationInvolving a wide rangeTransmissionOperational systemThe Internet
The invention provides an intelligent cloud automobile. A powerful cloud automobile operation system is adopted in the intelligent cloud automobile. A plurality of automobiles running separately are combined into a systemic network through the internet technology, the systemic network is a carrier of a cloud platform, and in the systemic network, the automobiles are used as terminals and nodes. The cloud operation system provides cloud shared service, the cloud operation system heavily depends on the service provided by a cloud network, and cloud control is likely to be difficult without the service. Therefore, the reliable cloud platform (network server platform) becomes crucial. Cloud platform technologies such as loud computing, could storage, cloud control and cloud service are adopted in the intelligent cloud automobile, and the intelligent cloud automobile is one kind of cloud equipment.
Owner:宿迁智盛机械科技有限公司
Structural multi-layer cobalt coatings for polymer articles
InactiveUS20140255722A1Eliminate the problemElectrolytic coatingsDuplicating/marking methodsPolymer substrateAutomotive product
Owner:INTEGRAN TECH
Bacteriostatic and fungistatic additive in masterbatch for application in plastics, and method for producing same
InactiveUS20160227785A1Improve propertiesPrevent degradationBiocideMaterial nanotechnologyPolymer scienceAutomotive product
Disclosed is an additive of ZnO / Ag° with a bacteriostatic and fungistatic action in the production of plastic items based on resins such as polypropylene, polyethylene, polystyrene, high-impact polystyrene, polyurethanes, etc., especially for producing automotive products, electrical appliances, products for washing, for storing and conducting water, for packaging, etc. The additive is prepared by mixing nanometric silver concentrates and pre-treated zinc oxide with a polymer resin compatible with the target application as a vehicle, obtaining pellets of the additive in a ratio of between 10:90 and 90:10 in weight of ZnO / Ag° : vehicle. The additive is biologically effective at a ratio in the final product of between 0.01 and 0.5 wt. % of polymer mixture and does not have any negative effects on other properties of the polymer, such as the whiteness thereof.
Owner:SERVICIOS IND PENOLES S A DE
Vehicle door opening and closing endurance test device
ActiveCN110702385ATest stress statusReduce impactVehicle testingMachine part testingRotational axisProduct testing
The invention relates to the field of vehicle product testing, and specifically discloses a vehicle door opening and closing endurance test device. The vehicle door opening and closing endurance testdevice comprises a base with a supporting rod, a power rotating device, a rotating arm, a buffer arm and a handle fixture. The power rotating device is installed at the top end of the supporting rod,a first end of the rotating arm is connected with a rotating shaft of the power rotating device, and the rotating arm is driven by the rotating shaft to rotate on a horizontal plane around the first end of the rotating arm; the buffer arm is provided with a buffer device and is located on the same horizontal plane as the rotating arm, the first end of the buffer arm is hinged to a second end of the rotating arm and can be rotated on the horizontal surface; and the handle fixture is used for performing an opening and closing action of a vehicle door, and the handle fixture is hinged to the buffer device and can be rotated on the horizontal surface. The vehicle door opening and closing endurance test device provided by the invention can improve the test effect by simulating the actual opening and closing of the vehicle door by a user, can also reduce the instant impact force when the vehicle door is opened and closed, reduces the damage to the vehicle door, and improves the operation stability of the endurance test.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD
Automobile information safety test evaluation method
The invention provides an automobile information security test evaluation method, which comprises the following steps that: a tester determines the number of test items of a total attack surface according to a configuration list, calculates a test depth, and performs evaluation at the same test depth; a tester tests each attack surface according to the test range and the test operation instruction; an SFOP model is utilized to perform influence analysis by referring to a test result; d, according to the influence analysis result and the weight coefficients corresponding to S, F, O and P, eachtest result is scored and a test score of each attack surface is calculated; a vehicle information safety score is calculated; and according to the whole vehicle score, a whole vehicle information safety star-level evaluation-level test depth evaluation is given by referring to a star-level evaluation standard. The beneficial effects of the invention are that a fair and objective automobile product information safety test and evaluation method is built, so as to promote the development of an intelligent network connection automobile information safety technology, and pursue a higher safety idea.
Owner:CHINA AUTOMOTIVE TECH & RES CENT
Polypropylene-basic magnesium sulfate whisker composite material for thin-wall automotive product
The invention discloses a low-density polypropylene-basic magnesium sulfate whisker composite material for a thin-wall automotive product. The material is prepared from, by mass, 70-84.6% of polypropylene, 5-10% of a basic magnesium sulfate whisker masterbatch, 10-20% of a toughening elastomer, 0.2-0.6% of an antioxidant and 0.2-0.6% of a weathering agent. The composite material with high flow, high rigidity and high toughness is obtained by the synergistic action of high fluidity polypropylene, a high-performance filler and high-efficiency elastomer toughening. According to the whisker masterbatch, it is ensured that the dispersion of the whisker is good and the process operability is strong. The polypropylene-based magnesium sulfate whisker composite material has the rigidity comparableto that of a short-fiber reinforced polypropylene material at a low density, maintains superior toughness and has a good appearance.
Owner:SHANGHAI KINGFA SCI & TECH +1
End products incorporating short-cut microfibers
InactiveCN104145053AFilament/thread formingSynthetic cellulose/non-cellulose material pulp/paperAutomotive productLandscaping
Owner:EASTMAN CHEM CO
Material distribution system and method
ActiveCN102730383AImprove distribution efficiencyReduce labor intensityControl devices for conveyorsAutomatic controlAutomotive product
The embodiment of the invention provides a material distribution system and a material distribution method, and relates to the field of automatic control. The problems in the prior art that the labor intensity of an operator is big and the material distribution efficiency is further low in a process of unloading a material car are solved. In the embodiment of the invention, an electric control device can control a separating device when a tractor is stopped, so that a connecting device is in a separation state, that is, the material car connected with the connecting device can be disengaged from the traction of the tractor; subsequently, the start of the tractor can be controlled, so that the tractor can continuously run after one material car is distributed to one appointed position, thereby entering a next appointed position to complete a next distribution process; as the whole distribution process is completed under the control of the electric control device, the manual interference is not needed; therefore, the labor intensity of the operator can be reduced; and the material distribution efficiency can be improved. According to the embodiment of the invention, the material distribution system and the material distribution method are mainly used for the distribution of automotive products.
Owner:长城汽车股份有限公司平湖分公司
Platform lower automobile body for automobile
InactiveCN105644627AAchieve conversionIncrease share rateMonocoque constructionsAutomotive productModularity
A platform lower automobile body for an automobile comprises a modularized engine compartment, a modularized front floor, a modularized middle channel, a modularized rear floor and a modularized rear suspension support. The length direction of the platform lower automobile body for the automobile is defined as a first direction. The length of each of the modularized engine compartment, the modularized front floor, the modularized middle channel and the modularized rear floor can be adjusted in the first direction. The modularized engine compartment, the modularized front floor and the modularized rear floor are sequentially and detachably connected in the first direction. The modularized middle channel is detachably connected between the modularized engine compartment and the modularized rear floor and embedded in the modularized front floor. The modularized rear suspension support is detachably connected to the installation bottom face of the modularized rear floor. By the adoption of the platform lower automobile body for the automobile, the platform general design of various automobile types can be achieved, an automobile development period can be better shortened, and the development cost and development risks of novel automobile products are reduced.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD
Polyolefin resin composition for anti-scratch improvement and automotive product prepared from the composition
ActiveUS8481636B2Superior impact resistance and rigidity and dimensional stability and scratch resistanceSolid ballsPolyolefinAutomotive product
Owner:HYUNDAI MOTOR CO LTD +1
Toulate ester for use as reactive and non-reactive diluent in polymer applications
InactiveUS20060223925A1Reduce volatilityLow viscosityPreparation by ester-hydroxy reactionOrganic compound preparationAutomotive productPolyvinyl chloride
This invention relates to toluate ester compositions and their use as solvent, plasticizers, extender and / or diluents in binder formulations, a method of producing such ester compositions, as well as polymer compositions containing such liquid ester compositions. The method of making toluate based esters by reacting methyl-p-toluate with ethylene glycol, diethylene or triethylene glycol, butanediol, etc. More particularly, this invention relates to the mono-or di-ester of methyl toluic acid with a diol containing 2 to 6 carbon atoms that are low viscosity liquids at 25° C. The most common polymer that employs plasticizer is polyvinyl chloride (PVC). Typical amounts of plasticizer in PVC are from about 3 wt. % to about 50 wt. %. Phenolic resins generally require solvents, diluents and / or extenders that reduce the volatility and viscosity of the resin, especially when it is used in building and automotive products. Typical amounts of solvent are from about 5 wt. % to about 65 wt. %.
Owner:INVISTA NORTH AMERICA R L
Sales prediction method and system based on prophet model and big data
PendingCN113962745ASolve the autocorrelation problemImprove accuracyCharacter and pattern recognitionMachine learningMoving averageAutomotive product
The invention relates to the technical field of big data mining, and provides an industry big data sales volume prediction method based on a Prophet algorithm for solving the problem of low prediction accuracy of an existing sales volume prediction method in the automobile industry, and the method comprises the steps: carrying out the analysis of holidays and festivals, events and the like on historical sales volume data based on a facebook prophet algorithm, determining influence parameters, adopting historical sales volume data to carry out training test on the proret model to obtain an optimal model, and predicting the sales volume to obtain a first predicted value; performing moving average, deformation, dimension reduction, lag and the like on the influence factors, performing machine learning model (neural network, xgboost and the like) training test by adopting historical sales volume data and all influence factor data to obtain an optimal machine learning model, and predicting the sales volume by utilizing the optimal machine learning model and a factor prediction value to obtain a second prediction value; and obtaining a final sales volume predicted value according to the sales volume predicted value I and the sales volume predicted value II. The method is suitable for predicting the sales volume of the automobile products.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Antibacterial low-odor master batch as well as preparation method and application thereof
The invention discloses an antibacterial low-odor master batch as well as a preparation method and application thereof. The preparation method comprises the following steps: by taking random PP resin as a matrix, adding santalol and nano-zinc oxide in a certain ratio to prepare master batches; the santalol is used as a dispersing agent of the nano-zinc oxide, so that the nano-zinc oxide cannot be agglomerated, and the dispersing effect is good. In addition, the santalol and the nano zinc oxide can play a role in synergistically resisting bacteria and reducing material odor, so that the master batch is low in preparation temperature, the raw materials are convenient and easy to obtain, and the production process is simple and suitable for large-scale production. The prepared master batch can be further used for preparing antibacterial and low-odor plastic, such as a polypropylene material, so that the polypropylene material has antibacterial and low-odor characteristics; in addition, the synergistic effect of santalol and nano-zinc oxide also improves the impact strength of the material, so that the material is endowed with better application performance. The polypropylene material can be widely applied to household appliances or automobile products.
Owner:KINGFA SCI & TECH CO LTD
A kind of heat-resistant neoprene composition
InactiveCN102276886AImprove heat resistanceOther properties have not changed significantlyChemical industryPolymer science
The invention relates to a heat-resistant chloroprene rubber composition; the composition is chloroprene rubber, polyurethane rubber, sulfur, accelerator DM, accelerator PTD, carbon black, rapid press furnace black, anti-aging agent RD, nonylated di Aniline, coumarone resin, epoxy octyl stearate, butanediol dimethacrylate and γ-aminopropyl triethoxysilane; wherein: the sum of the parts of neoprene rubber and polyurethane rubber is 100 parts. By adding polyurethane rubber to chloroprene rubber and under the joint action of various additives, the heat resistance of chloroprene rubber has been further improved. The heat resistance temperature has reached 155°C, and the short-term heat resistance can last for 120 hours. And other properties of the rubber have not changed significantly, and the heat resistance effect is good. The improvement of the heat resistance of neoprene rubber also improves the use value of rubber. Neoprene materials and their products can play a better role in the automotive field, petrochemical and other fields, and improve the safety and service life of the products.
Owner:TIANJIN PENGYI GRP CO LTD
Multi-connecting-rod pressing device
The invention relates to a multi-connecting-rod pressing device. The device comprises a base and a connecting piece. The connecting piece comprises a vertical part, an extending part and a bent part;an air cylinder is rotationally mounted on the left side of the lower portion of the base; a piston rod of the air cylinder is rotationally connected with the lower end of the bent part, a fixing plate is installed at the upper end of the base, and a rotating base is arranged on the left side of the upper end of the fixing plate; the upper end of the rotating base is rotationally connected with the middle of a first connecting rod, an upper cover is arranged on the lower portion of the right end of the first connecting rod, and the left end of the rotating base is rotationally connected with the middle of the vertical part; the left end of the first connecting rod is rotationally connected with a first connecting plate, and the lower end of the first connecting plate is rotationally connected with the upper end of the vertical part; a mounting base is mounted on the right side of the upper end of the fixing plate, and a vertical rod capable of sliding up and down is mounted in the middle of the mounting base; the lower end of the vertical rod is rotationally connected with one end of a second connecting rod which is rotationally arranged in the middle of the base, and the other endof the second connecting rod is rotationally connected with a second connecting plate; the upper end of the second connecting plate is rotationally connected with the lower end of the vertical part.The device is suitable for positioning and clamping of automobile round sleeve products.
Owner:NINGBO JINRUITAI SEIZURE
System performance evaluation method and device, computer equipment and storage medium
ActiveCN110955591AMeet predictive assessment needsFunctional testingSoftware testing/debuggingAutomotive productSimulation
The invention relates to a system performance evaluation method and device, computer equipment and a storage medium. The method comprises the steps of obtaining a test case passing rate of interface test data in a preset time period, wherein the test case passing rate is determined according to the test case passing amount of the interface test data, and the test case throughput is the test case throughput of the continuous test in the preset time period; generating an initial test curve according to the time sequence of the test case passing rate in the preset time period; performing curve optimization according to the curve fluctuation trend of the initial test curve to obtain a mean fluctuation curve, wherein the curve fluctuation trend is determined according to a difference value between a head-to-tail passing rate mean value and a middle passing rate in the initial test curve, wherein the mean fluctuation curve is used for evaluating whether the vehicle performance is stable or not. By adopting the method, a way for predicting and evaluating the performance of the vehicle machine can be provided, so that the prediction and evaluation requirements of users on the vehicle product quality trend or production risk are met.
Owner:文思海辉智科科技有限公司
Assembling mechanism for automobile products
Owner:JILIN DAHUA MACHINERY MANUFACTURING CO LTD
Power motor suspension structure for new energy automobile
InactiveCN111361405AImprove cooling effectImprove stabilityElectric propulsion mountingPropulsion coolingAutomotive productNew energy
The invention relates to the technical field of automobile product accessories, and concretely relates to a power motor suspension structure for a new energy automobile. The power motor suspension structure comprises a fixed table, movable fixing plates are arranged on the top surface of the fixed table, two first screw rods are in threaded connection with the interior of each movable fixing plate, the top of each first screw rod extends out of the fixed plate and is rotationally connected with a horizontal buckling plate, a vertical fixed baffle is fixed to the rear side of the top of the fixed table, a movable fixed assembly is arranged on the front side of the top of the fixed table, a movable assembly is arranged in an inner cavity of the fixed table, the movable assembly comprises a fixed plate moving mechanism and a buckling plate lifting mechanism, and a cooling fan is arranged in the inner cavity. The fixing plate moving mechanism is arranged, a first crank is rotated to drivea second screw to rotate, the second screw drives the two moving plates to move oppositely, and the two moving plates drive the first screws and the movable fixing plates to move, so that the positions of the two movable fixing plates are adjusted, and the left side and the right side of a driving motor are gradually clamped.
Owner:LANZHOU JIAOTONG UNIV
Automatic driving scene self-recognition method and storage medium
PendingCN114756505AImprove utilization efficiencyHigh reuse rateRegistering/indicating working of vehiclesFile system administrationDriver/operatorTraffic crash
The invention relates to an automatic driving scene self-recognition method and a storage medium. The method comprises the steps of data acquisition and storage, data cleaning, events, scene recognition and point burying, data cutting, classification and label labeling, format conversion and data use. According to the invention, automatic identification and extraction, format conversion and labeled classified storage management are carried out on all collected whole vehicle network signals and sensor original signal data; a scene library established according to layering and classification of real vehicle data covers a natural traffic flow scene, an automatic driving failure working condition, driver takeover data, whole vehicle driving data, a working condition outside an operation area range, a traffic accident, traffic participant interaction data and man-machine interaction data. Big data support can be provided for automatic automobile product definition, function planning, demand analysis, software and hardware development, system integration, simulation and real automobile verification, function and performance rapid iteration updating, automatic driving standard regulation making and the like, and the utilization efficiency and the repeated utilization rate of data are improved.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Automobile product welding database system
InactiveCN103226579AImprove efficiencyEasy to manageSpecial data processing applicationsAutomotive productMonitoring system
The invention discloses an automobile product welding database system. The system is characterized by comprising a data access layer, a business logic layer and a presentation layer, wherein the data access layer comprises a system startup interface, a system login interface and a system master-control interface; and the business logic layer comprises a user enquiry system, an intelligent reasoning and application system, a data maintenance system, a CCS (carbon capture and storage) docking real-time monitoring system and a management system. Compared with the prior art, the automobile product welding database system has the advantages as follows: a complicated automobile product and a welding processing technology are organically combined and effectively managed, all automobile types and various welding manners of point welding, projection welding, CO2 shielded welding, stud welding and the like can be covered, the efficiency is improved, the integrated management capability and the quality control capability are improved, and the costs for production and manufacture are reduced.
Owner:易明辉 +1
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