390results about How to "Simple way" patented technology

The invention provides a railway signal monitoring data generation method and system, and relates to the technical field of railways, and the method comprises the steps: carrying out the time-space correlation fusion processing of obtained carrier frequency characteristics, response coding information, the receiving time of transponder signal data, train operation speed data and train positioning data, and generating a monitoring data record under a unified coordinate system; adopting a rule-based data compression algorithm to adaptively select a compression rule and a compression rate to perform data compression on the monitoring data record; packaging the compressed monitoring data record into a monitoring data file in a standard format; and the data management server decompresses and decodes the monitoring data file, cleans, classifies and indexes the data in the monitoring data file by adopting a MapReduce parallel computing framework, stores the structured monitoring data into a distributed database, and performs fragmentation and redundant backup management on the database.

The invention provides a method for cleaning organic glue residues on the surface of a carrier plate, which comprises the following steps of: acquiring surface cleanliness data in a cleaning process in real time by adopting a carrier plate surface cleanliness online monitoring device, analyzing a cleanliness change trend in real time through an algorithm, and dynamically adjusting soaking, oscillating and flushing treatment parameters and a circulation path, so as to realize cleaning of the organic glue residues on the surface of the carrier plate. Adaptively optimizing a cleaning scheme, and predicting a cleaning end point; deploying a colloidal particle agglomeration degree analyzer in the water tank, monitoring the agglomeration state data of colloidal particles in real time, analyzing the relevance between the agglomeration state and water quality parameters through an algorithm model, dynamically adjusting the pH value and ionic strength of ultrapure water, optimizing the water quality environment, and inhibiting redeposition of the colloidal particles.

The invention relates to the technical field of water conservancy and municipal administration, in particular to a reinforcement calculation method for a non-rod system reinforced concrete structure, which comprises the following steps: replacing long and thin pile and rod structures with one-dimensional units, replacing pier, wall, plate and beam structures with two-dimensional units, and carrying out coupling connection on a whole hydraulic structure model; original three-dimensional entity unit finite element calculation is equivalently converted into one-dimensional line unit, two-dimensional plate unit and three-dimensional entity unit coupling structure finite element calculation; displacement, internal force and stress of all parts of the hydraulic structure are obtained, and structural reinforcement is conducted through the internal force according to a structural mechanics method adopted by the rod system reinforced concrete structure. Compared with the prior art, the method has the advantages that the internal force of each part of the building can be directly obtained, the structure stress can be truly reflected, the structure reinforcement mode and number can be optimized, and the original complicated non-rod-system reinforced concrete structure can be subjected to structure reinforcement according to a structural mechanics method adopted by the rod-system reinforced concrete structure.

The invention relates to the technical field of two-way sealing butterfly valves, in particular to a condenser cut cylinder two-way sealing butterfly valve which comprises a valve body, a valve rod and a valve plate, a driving cavity is formed in the valve body, the valve rod is sleeved with a transmission piece, two sliding blocks are arranged in the driving cavity, and expansion rings are arranged below the two sliding blocks. A runner is arranged between the expansion ring and the sliding block on the valve body; a first sealing groove is formed in the valve plate, the transmission piece is driven through rotation of the valve rod, and the two sliding blocks are driven to slide through the transmission piece. The sliding block moves to drive fluid in the flow channel to flow, the expansion ring is driven to expand towards the first sealing groove of the valve plate, the expansion ring is tightly attached to the first sealing groove through deformation, and sealing of the valve body is achieved. Compared with the prior art, through the more compact structure and space layout, a sealing mechanism is simplified, and the requirements of an external transmission assembly and a complex adjusting mechanism are reduced, so that the overall size of the valve is effectively reduced, and the problem that side space is occupied is avoided.

The invention provides a method for generating a self-supervised learning contract template based on a trade system platform, and aims to automatically generate and continuously optimize a personalized contract template by using a self-supervised learning technology and a Transform model. The method comprises the following steps: extracting unlabeled data through a historical contract data input module; utilizing a self-supervised learning module to identify the relevance of contract terms; modeling a long-term and short-term dependency relationship of the contract text through a multi-head self-attention mechanism of a Transform model; and generating a high-dimensional semantic embedding representation of the contract terms, and automatically generating a personalized contract template based on the high-dimensional semantic embedding representation. The system continuously optimizes a generation rule through historical data and real-time service feedback, and dynamically adjusts the priority and content sorting of contract terms. According to the method, the contract generation efficiency and accuracy are improved, the dependence on manual labeling is reduced, the method is suitable for the iron and steel industry and other large-scale contract management scenes, the contract template can be flexibly adjusted according to market changes and business requirements, and the individuation and adaptability of the contract are remarkably enhanced.

The invention relates to an offshore pile foundation construction platform, in particular to an offshore pile foundation operation assembly platform and method. Comprising a pile top supporting structure, a working platform and an inter-pile connecting structure, and the pile top supporting structure is detachably fixed to the top of a pipe pile; a hole allowing a pipe pile to penetrate through is formed in the middle of the operation platform, and the operation platform is vertically and adjustably connected to the pile top supporting structure through a connecting structure. The inter-pile connecting structure is a telescopic structure which is folded and placed in the working platform before working construction and extends outwards to form a channel for connecting the working platform on the two adjacent pipe piles during working construction. The assembling platform is simple in structure and convenient to use, not only can a platform structure be formed on the pipe pile, but also the adjacent working platforms can be connected, the whole assembling platform is very easy to assemble and disassemble, and construction is easy.

The invention provides a unit cell structure design method and device based on nickel-titanium shape memory alloy, and relates to the technical field of intelligent materials and structures.The method includes the steps that relevant characteristic parameters of nickel-titanium alloy are collected, a mechanical property index, a thermal stability index and a reliability index are generated, and then a phase change temperature index is obtained through comprehensive calculation; and the phase change temperature threshold is corrected, the geometrical shape and the bonding mode of the unit cell structure are determined, and the quasi-zero-stiffness curved beam, the supporting frame and the connecting part of the unit cell structure are optimally designed in combination with the corrected phase change temperature threshold. According to the method, through characteristic parameter pretreatment, mechanical property index calculation and unit cell structure geometric optimization of the nickel-titanium shape memory alloy, the excellent performance under different phase change states is achieved, and the buffering energy absorption and low-frequency vibration isolation functions of the alloy are improved.

The invention discloses a radar interference decision-making method, device and system and a storage medium, and the method comprises the steps: S1, obtaining a potential relation between radar working mode conversion and interference signal release of a jammer according to a radar-jammer confrontation environment; and S2, inputting the threat level corresponding to the current radar working mode as an environment state parameter into a competitive dual deep Q network decision structure based on adaptive greedy adjustment and priority dual experience playback for value evaluation, experience input, experience extraction and parameter updating operation to obtain a radar interference decision result. According to the technical scheme, the problems that a traditional reinforcement learning algorithm is poor in strategy convergence effect and insufficient in experience storage mode are solved.

The invention discloses a method for converting livestock and poultry manure into an organic fertilizer through microbial fermentation, and belongs to the technical field of livestock and poultry manure conversion. The method comprises the steps that firstly, the livestock and poultry manure is subjected to physical sorting, lime or monopotassium phosphate is added according to the pH value detection result, and the pH value is adjusted to 6.5-7.5; after determining nutrient components of the feces, adding soluble salt trace elements such as zinc sulfate and mixed carbohydrates of cane sugar and glucose; traditional strains of bacillus, lactic acid bacteria, saccharomycetes and actinomycetes are mixed with novel strains separated from the periphery of a livestock and poultry farm, optimized culture is conducted through a two-step culture method, and plant extracts such as lily extracts or livestock and poultry intestinal metabolites such as short-chain fatty acid are added in the culture process. The fermentation process adopts a rotatable fermentation tank body, and comprises three stages of fermentation of rapid heating, high-temperature stabilization and cooling decomposition. And finally, low-temperature vacuum drying, crushing, granulation and addition of a coating material are performed to prepare the organic fertilizer, so that efficient resource utilization of the livestock and poultry manure is realized.

The invention discloses an aluminum alloy plate three-stage aging furnace and a heat preservation time calculation method, and relates to the technical field of aluminum alloy plate production. The aluminum alloy plate three-stage aging furnace comprises a furnace body and a hearth which is arranged in the furnace body and is used for carrying out aging treatment on plates; a suspended ceiling is mounted in the hearth in an up-down sliding manner, the suspended ceiling is in sealing contact with the side wall of the hearth, the hearth is divided into an upper hearth and a lower hearth by the suspended ceiling, and a plate needing aging treatment is positioned in the lower hearth; an air inlet and an air outlet are formed in the side wall of the lower hearth; an air supply system is connected between the air inlet and the air outlet; a lifting driving device for driving the suspended ceiling to slide up and down and a control system in signal connection with the lifting driving device are arranged on the outer side of the furnace body; the control system is in signal connection with the air supply system. The calculation mode of the three-stage aging furnace and the heat preservation time is optimized, so that the stress corrosion resistance of the treated aluminum alloy plate is improved, and meanwhile, the strength loss is small.

The utility model relates to the technical field of medical imaging equipment, in particular to a detector heat dissipation device and a detector assembly thereof. The detector heat dissipation device comprises a shell and a heat exchange plate, the shell is provided with a cavity, the heat exchange plate is installed in the cavity, a plurality of heat dissipation pieces are arranged on the heat exchange plate, gaps are formed between the adjacent heat dissipation pieces, an inlet and an outlet are formed in the two sides of the shell in the width direction, the cavity is divided into a plurality of sub-spaces, and the sub-spaces are communicated with the inlet and the outlet. And the inlet and the outlet are respectively communicated with the plurality of subspaces. The detector has the advantages that the inlet and the outlet are formed in the width direction of the shell, heat of the heat exchange plate installed in the shell is taken away through flowing of the heat dissipation medium between the inlet and the outlet, the flowing path of the heat dissipation medium is shortened, the temperature gradient on the heat exchange plate is reduced, and the heat dissipation efficiency and the working capacity of the detector are improved.

The assembly type metal fence easy to install comprises fence plate bodies, inclined supporting rods and bottom supporting rods, the fence plate bodies are vertically unfolded in the transverse direction, and matching plates are vertically fixed to the lower portions of the two sides of the front face of each fence plate body. The inclined supporting rods and the bottom supporting rods are arranged at the upper position and the lower position in front of the matching plate correspondingly. The utility model has the beneficial effects that the front ends of the inclined supporting rods and the front ends of the bottom supporting rods are fixed together to form a bracket shape in an acute angle form, and meanwhile, the rear ends of the inclined supporting rods and the rear ends of the bottom supporting rods are detachably connected with the matching plate on the back surface of the fence plate body through the disassembly and assembly combination components; in this way, the inclined supporting rods and the bottom supporting rods can be rapidly combined with the fence plate body, the operation mode of welding installation is replaced, the construction installation mode is simplified, and the inclined supporting rods, the bottom supporting rods and the fence plate body can be conveniently and rapidly combined and connected on the laying site.

The invention relates to the technical field of automobile part structures, in particular to a front suspension hub motor wheel edge integrated structure, an assembling method and an automobile. Comprising a rim, a hub motor, a front suspension and a brake, and the rim is of a hollow annular structure; the hub motor is located on the inner side of the rim and comprises an outer rotor shell fixed to the end, away from the vehicle body, of the rim and a stator shell arranged on the outer rotor shell. One end, close to a vehicle body, of the stator shell is positioned on the axial inner side of a rim; the front suspension comprises a steering knuckle fixedly connected with the end, close to a vehicle body, of the stator shell. The brake comprises brake calipers fixedly connected with the steering knuckle and a brake disc connected with the end, close to a vehicle body, of the outer rotor shell. According to the front suspension hub motor wheel edge integration structure, the hub motor is completely integrated in the rim, enough assembly space is reserved for the wheel edge, arrangement of a front suspension and a pipeline is facilitated, meanwhile, a plurality of connectors are reserved, and assembly of the front suspension and the pipeline is greatly facilitated.

The invention relates to the technical field of inhaul cable monitoring, in particular to a parallel steel wire inhaul cable broken wire monitoring method and monitoring system based on weak grating optical fibers. The method includes the steps that when an inhaul cable is manufactured, weak grating sensing optical fibers are installed in the inhaul cable, the weak grating sensing optical fibers are arranged along the whole length of the inhaul cable, and a plurality of strain grating measuring points are evenly arranged on the weak grating sensing optical fibers at intervals in the length direction; in the service stage of the inhaul cable, installing an optical fiber demodulator to be in signal connection with the weak grating sensing optical fiber in the inhaul cable; weak grating sensing optical fiber signal wavelength is collected in real time based on an optical fiber demodulator, and the broken wire condition in the inhaul cable is determined according to the relation between the weak grating sensing optical fiber signal wavelength and the number of broken wires in the inhaul cable. The method for monitoring the broken wire of the parallel steel wire inhaul cable based on the weak grating optical fiber is very simple, the breakage condition of the steel wire in the inhaul cable can be accurately monitored, interference of the external environment is avoided, the overall monitoring result is accurate, and the monitoring method is simple.

The invention provides an enterprise information query method and device and electronic equipment, and the method comprises the steps: responding to a configuration operation of a query condition group and an operation mode for at least one target enterprise information dimension, and aiming at each query condition in the query condition group under each dimension, obtaining a query result of the at least one target enterprise information dimension; judging whether enterprise ID data corresponding to the query condition exists in a memory or not; if yes, acquiring data corresponding to the query condition from the memory; if not, obtaining through a request server; for each dimension, according to the enterprise ID data of each query condition under the dimension and the corresponding operation mode, calculating to obtain data under the dimension; calculating an intersection between the data corresponding to the plurality of dimensions to obtain the data under the plurality of dimensions; and in response to an information display request of a user, obtaining enterprise information corresponding to the data in the multiple dimensions from the server, and displaying the enterprise information. The enterprise information query efficiency and the information response speed can be greatly improved.

The invention relates to the technical field of logistics management, in particular to an in-transit supervision method for large-size transportation on an expressway. The method comprises the following steps: acquiring transportation speed data and transportation vibration data; carrying out transportation speed feature extraction on the transportation speed data to obtain transportation speed feature data, and carrying out transportation vibration feature extraction on the transportation vibration data to obtain transportation vibration feature data; performing feature map construction on the transportation speed feature data and the transportation vibration feature data to obtain transportation speed vibration feature map data; abrupt change feature collection and change degree extraction are carried out according to the transportation speed vibration feature map data, and transportation abrupt change feature data and transportation change degree data are obtained so as to carry out large piece transportation anomaly detection operation. According to the invention, the safety and the management level of the large-piece transportation process are effectively improved.

The invention discloses a cable operation state monitoring method and device, equipment and a medium. The method comprises the steps of determining a target power transmission section; acquiring real-time electrical parameters of the target power transmission section, real-time temperature parameters of each target cable in the target power transmission section and real-time temperature parameters of each target connection point in the target power transmission section, wherein the real-time electrical parameters comprise real-time voltage drop parameters and real-time current parameters; according to the real-time electrical parameters of the target power transmission section, the real-time temperature parameters of each target cable and / or the real-time temperature parameters of each target connection point, the operation state of the target power transmission section is determined, and the operation state comprises normal operation and abnormal operation. The invention relates to the field of power transmission, and can monitor the operation state of a low-grade power transmission section based on the real-time electrical parameters of the target power transmission section, the real-time temperature parameters of each target cable in the target power transmission section and the real-time temperature parameters of each target connection point in the target power transmission section.

The utility model discloses an iron chain continuous vibration polishing device which relates to the technical field of iron chain polishing and comprises a vibration frame, a bottom frame and a vertical plate, the bottom frame is installed on the outer side of the vibration frame, a plurality of partition plates are installed in the vibration frame at equal intervals, and vibrator components are symmetrically installed on the front face and the back face of the vibration frame. A vertical plate is installed on the front face of the bottom frame, a controller component is installed on the front face of the vertical plate, a plurality of hydraulic cylinder components are symmetrically installed on the two sides of the vibration frame, the hydraulic cylinder components are in electric signal connection with the controller component, lifting rods are installed at the output ends of the hydraulic cylinder components, and downward pressing mechanisms are arranged on the inner sides of the lifting rods. The pressing mechanism is arranged, the iron chain is moved to the position below the rotary pressing rod, then the hydraulic cylinder component drives the rotary pressing rod to move downwards to press the iron chain into the vibration frame, the iron chain placing mode is simple, a worker does not need to press part of the iron chain into grinding materials manually, labor is saved when the iron chain is placed, and efficiency is high.

The invention discloses a shared energy storage system bilevel planning method, system and device considering energy storage life loss and a medium, and relates to the technical field of energy storage system operation control and capacity planning. The method comprises the following steps: acquiring basic parameters of the shared energy storage system; the basic parameters comprise equipment cost, equipment parameters, load data and wind, light and power grid data; and inputting the basic parameters into a shared energy storage system double-layer optimization model, performing optimization operation through the shared energy storage system double-layer optimization model, outputting the optimal energy storage power station capacity and other power station power, determining a typical daily operation scheme of each device, and sharing energy storage power station cost allocation based on a Shapley value method. According to the invention, by considering the energy storage loss, the daily operation mode and configuration capacity of the shared energy storage system are optimized, and the operation and maintenance and investment cost of the system is reduced.

The invention relates to the technical field of motor scrapping methods, in particular to a method and system for scrapping a motor stator assembly according to a weight ratio. Comprising the following steps: preliminarily disassembling a to-be-scrapped motor stator assembly; based on the specification and model of the to-be-scrapped motor stator assembly, determining the weight ratio of each component in the to-be-scrapped motor stator assembly; weighing the to-be-scrapped motor stator assembly, determining the actual weight of each component based on the weight of the to-be-scrapped motor stator assembly and the weight ratio of each component, and recording the actual weight in a statistical table; and checking statistical table filling information, and after the information is ensured to be correct, implementing stator assembly scrapping according to a scrapping material management process. According to the method, the weight of the motor stator assembly is obtained according to the type of the to-be-scrapped stator assembly, and then the weight of the stator component is rapidly measured and calculated according to the components and the weight ratio of each component; the stator assembly can be integrally scrapped in a non-disassembly state, so that the investment of special equipment, tools and manpower is avoided or reduced, and the scrapping efficiency of the stator assembly is improved.

The atomized gas recovery device comprises a shell and a filter membrane in the shell, the shell comprises a rear shell and a front shell, and the atomized gas recovery device is characterized in that the front shell comprises a front shell cover and a suction component, a front shell positioning opening is formed in the front shell cover, a gas outlet and a rear shell mounting positioning opening are formed in the rear shell, the filter membrane is an annular piece, and the suction component is arranged in the annular piece. And the suction component penetrates through the front shell positioning opening, the filtering membrane and the rear shell mounting positioning opening. An expiration port and an expiration one-way valve are arranged in the middle of a tube body of the inhalation component, a mist inlet located in the shell and at one end of the tube body of the inhalation component is used for being connected with a mist outlet of an atomization device, and the portion, between the expiration port and the mist inlet, of the inhalation component is sleeved with the filter membrane, so that expired gas pushes away the expiration one-way valve after coming out of the expiration port, and the atomization device is used for atomization. And after being filtered by the filter membrane, the air overflows from the air outlet on the rear shell. A mist outlet of the atomization device is connected with a mist inlet of the suction component. And the structure design is reasonable, simple and compact, the aerosol transmission efficiency is high, recovery of exhaled gas is facilitated, and operation and use are convenient.

The invention relates to a light spot controllable optical fiber device and a preparation method thereof.The light spot controllable optical fiber device comprises an input optical fiber 1 and an output optical fiber 2, the input optical fiber 1 comprises a fiber core, the output optical fiber 2 comprises two fiber cores, one of the two fiber cores of the output optical fiber 2 is a circular fiber core, and the other fiber core of the output optical fiber 2 is a circular fiber core. The other fiber core is an annular fiber core; the input optical fiber 1 is tapered and then is subjected to offset welding with the output optical fiber 2; the output optical fiber 2 is wound, and the winding diameter and the winding number are adjustable. The device is simple in structure and low in cost, the spot ring light spot energy is simpler and more convenient than a regulation and control mode, the output power can reach the kilowatt level, and the application feasibility of the device in the industrial laser welding field is guaranteed.

The invention discloses a lower limb motion function evaluation method, system and device based on deep learning image processing and a storage medium, and the method comprises the steps: shooting a lower limb motion process of a patient through a common mobile device, and collecting a motion image; performing image preprocessing to obtain a preprocessed action image data set; inputting the motion image data set into the trained progressive mode model, extracting feature points of a joint three-dimensional space, and calculating parameters related to a lower limb motion function according to the feature points; the parameters obtained through real-time calculation and set parameters are subjected to fitting calculation to calculate the overlap ratio, rehabilitation training is evaluated in real time according to the overlap ratio, and an optimized motion curve is given according to the real-time evaluation result to guide a patient to conduct rehabilitation; an image processing algorithm is optimized, and a line-by-line processing mode is adopted to replace a current full-image processing mode, so that evaluation and analysis of lower limb movement under shooting of a common camera in a mobile device are realized, and remote medical diagnosis is completed quickly and efficiently.

The utility model belongs to the field of transcranial magnetic therapeutic instruments, and particularly relates to a transcranial magnetic stimulation therapeutic instrument which comprises an instrument body, a head limiting structure is installed in the middle of the front side of the instrument body, a movable plate is integrally arranged at the bottom of the head limiting structure, and a connecting plate is bonded to the inner wall of the movable plate through glue. A limiting block is fixed to the bottom of the movable plate, a head cushion is arranged on the inner wall of the limiting block, an electromagnetic treatment block is arranged in the middle of the interior of the instrument body, electromagnetic connecting wires are connected to the periphery of the electromagnetic treatment block, and electromagnetic treatment sub-blocks are arranged at the bottom ends of the electromagnetic connecting wires; the head limiting structure can play a role in limiting the wearing position of the instrument main body, avoids the situation that some encephalopathy patients of which the limbs cannot be controlled automatically act too much during transcranial magnetic stimulation treatment to affect the electromagnetic treatment effect, can improve the comfort level, does not affect the wearing experience, and is light in structure, convenient to wear, simple in structure and convenient to carry.

The invention relates to the technical field of bridge construction, in particular to a self-adaptive intelligent catwalk steel wire rope. Comprising a central strand and a plurality of ordinary strands, and the central strand comprises a core strand located at the axis and a plurality of transmission strands surrounding the outer side of the core strand in the circumferential direction; an optical fiber sensor which is arranged in a full-length manner and is used for monitoring the steel wire rope penetrates through the core strand; the transmission strand is in transmission connection with the core strand and drives the core strand to rotate around the axis under the action of external torsion; the ordinary strands surround the outer side of the center strand in the circumferential direction to form a steel wire rope structure, and the center strand can be connected among the ordinary strands in the mode of rotating around the axis of the center strand. The catwalk steel wire rope is simple in structure and very easy to install, manufacture and assemble, the steel wire rope can be monitored in real time, early warning can be given out in time, a user is reminded, safety accidents are avoided, meanwhile, the catwalk steel wire rope can adapt to torsional deformation of the steel wire rope, the internal optical fiber sensor is not prone to damage, and the service life is long.

The invention relates to the technical field of constructional engineering, in particular to a method for calculating the bearing capacity of a large-span concrete-filled steel tube arch. Comprising the steps that S1, the concrete-filled steel tube arch is divided into a plurality of concrete-filled steel tube beam units and subunits; s2, acquiring a stiffness matrix of the concrete-filled steel tube beam unit; s3, applying a reference load to the concrete-filled steel tube beam unit, and calculating node pure deformation displacement of the concrete-filled steel tube beam unit under the structural coordinate system; s4, establishing a co-rotation coordinate system, and calculating a stress vector of each subunit under the co-rotation coordinate system; s5, calculating rod end resistance and unbalanced force of the concrete filled steel tube beam unit; and S6, whether the unbalanced force meets the convergence requirement or not and meets the material damage standard or not is judged, and when the conditions are met, the corresponding applied load is output to serve as the ultimate bearing capacity. According to the method for calculating the bearing capacity of the large-span concrete-filled steel tube arch, the calculation workload is greatly reduced in a mode of degree-of-freedom condensation and co-rotation coordinate system conversion, and an accurate and efficient algorithm is provided.

The utility model provides an angle steel opening and closing angle machining device, which relates to the technical field of angle steel machining and comprises a machining table, a groove is formed in the top of the machining table, a motor is arranged on one side of the machining table, and the output end of the motor extends into the groove through a coupler to be connected with an adjusting assembly. Two sets of electric hydraulic columns are arranged at the top of the machining table, a top table is arranged at the tops of the electric hydraulic columns, and an opening and closing block is mounted at the bottom of the top table through a mounting assembly. The device solves the problem that an opening and closing block of an existing angle steel opening and closing angle machining device cannot be quickly replaced so as to be matched with a clamping plate of a machining table to achieve a better machining effect.

The invention provides a vehicle control method and device, a vehicle and a storage medium. The method comprises the following steps: acquiring a multi-frame depth image of an environment in front of a vehicle; based on each frame of the depth image, counting depth distribution information of different positions in the horizontal direction in the environment in front of the vehicle; and controlling the movement of the vehicle based on the difference of the depth distribution information of different positions in the horizontal direction corresponding to the multiple frames of depth images. According to the embodiment, under the condition that the detection device only detects part of the outline of the obstacle, the change condition of the obstacle in the front environment of the vehicle can be sensitively sensed, so that the vehicle can timely and accurately avoid the obstacle in the front environment, and the safety and reliability of the vehicle in the driving process are improved.

Methods, systems, and apparatuses are described herein for improving computer authentication processes through the generation of synthetic merchants. A plurality of different real merchant names may be received. The plurality of different real merchant names may be processed to determine one or more name elements. A request for access to an account associated with a user may be received. Based on the one or more name elements, one or more synthetic merchant names may be generated. Based on the one or more synthetic merchant names, synthetic transaction data may then be generated. A synthetic authentication question may be generated and presented to a user. A candidate response to the synthetic authentication question may be received. Based on the candidate response, access to the account may be provided.