306results about How to "Increase the difficulty" patented technology

The invention relates to a low-loss corner-lifting and movement tearing cooperative type film tearing process of a screen display glass protective film. The process comprises the following steps: S1, tearing a film on an A surface; s2, transferring the screen display glass; and S3, tearing the film on the surface B. On one hand, in single-face film tearing, based on cooperation of the film tearing clamping jaw, the rolling wheel and the air nozzle, angle lifting is completed while the film tearing angle adhesive force is kept larger than the protective film tearing force, the damage and fracture rate of an adhesive tape and a corner is reduced, the high angle lifting success rate is achieved, meanwhile, through movement cooperation of the screen display glass and the film tearing clamping jaw, the film tearing difficulty is low, control is easy, and the film tearing efficiency is improved. The integrity and continuity of film tearing are high; on the other hand, overturning of the screen display glass is not needed in double-sided film tearing, transferring of the screen display glass is achieved in the protective film tearing process, the accidental friction rate in the glass overturning process is reduced, the structure is optimized, the layout space is greatly reduced, the equipment is miniaturized, and the double-sided film tearing efficiency of the equipment for treating the screen display glass is also improved.

The screen display glass film tearing equipment comprises a screen display glass loading unit, a film tearing unit and an adhesive supply unit, the screen display glass loading unit comprises a carrying table and a moving mechanism, the carrying table is used for positioning screen display glass downwards from a to-be-torn film, the film tearing unit is located below the to-be-torn film and comprises a film tearing head and a power device, and the film tearing head comprises a film tearing seat, a clamping jaw and a roller; the power device comprises a first power piece and a second power piece. On one hand, on the basis of movement cooperation of the clamping jaw and the rolling wheel, aligned gradual stripping of the rolling position and the stripping position of the to-be-torn film is kept, and on the other hand, the overturning angle is increased based on follow-up overturning of the extending section, so that the success rate of forming the stripping angle by inward overturning of the to-be-torn film is greatly increased; the probability that the glue is separated from the to-be-torn film or the corner of the to-be-torn film is torn is effectively reduced; on the other hand, diagonal film tearing is formed based on the relative movement of the screen display glass and the clamping jaw, the risk that the protective film is torn or falls off is reduced, and the whole film is torn off more efficiently in a more labor-saving mode.

The invention discloses a communication method for an enterprise network and remote router equipment of a DCS (Distributed Control System). A communication adaptation module is arranged at an enterprise network end and comprises a protocol conversion unit, a data encryption unit, a flow regulation and control unit and a timestamp embedding unit; the far-end router equipment end is provided with a corresponding reverse communication adaptation module. Two-way interaction of data and control instructions is realized through a two-way communication link, and a dynamic link detection and repair sub-module is configured to guarantee stability of the link. According to the method, the problems of protocol compatibility, data security, flow regulation and control, time management, link maintenance and the like are solved, the communication efficiency and quality are improved, efficient, safe and stable operation of remote communication and control functions of the DCS in industrial production is ensured, and the method has a good application prospect.

The invention discloses a middle and low voltage distribution network cooperative regulation and control method and device based on reliability evaluation, and belongs to the technical field of power system optimization. According to the method, a zone area in the low-voltage power distribution network is projected into a feasible space to obtain a feasible region, flexible resources such as distributed photovoltaic, electric heating loads and distributed energy storage of the zone area of the low-voltage power distribution network are projected and aggregated into constraint conditions of virtual load nodes in the medium-voltage power distribution network, and a medium-voltage power distribution network model and a corresponding objective function are constructed based on the constraint conditions. And obtaining a switching action sequence corresponding to the medium-voltage power distribution network after solving the objective function. According to the method, a medium and low voltage power distribution network cooperative reliability improvement strategy considering the virtual load nodes is provided, all flexible resources of a low voltage power distribution network zone area are represented through the virtual load nodes, and the variable dimension and the calculation complexity of medium and low voltage power distribution network reliability evaluation are reduced; the linkage between the flexible resources of the transformer area and the medium-voltage power distribution network switch is realized, and the reliability of the medium-low voltage power distribution network is effectively improved.

The invention relates to a rail transit unmanned aerial vehicle data protection system and method, electronic equipment and a medium. The system comprises a grading and classifying module, a batch processing module and an encryption module which are connected in sequence. The grading and classifying module is used for carrying out classification and grading processing on the original data of the rail transit unmanned aerial vehicle and dividing the original data into key sensitive data and general data; the batch processing module carries out batch processing on output of the grading and classifying module, key sensitive data form a file needing to be encrypted, and general data form a plaintext file; the encryption module carries out encryption processing on the to-be-encrypted file output by the batch processing module to generate an encrypted file; the system further comprises an abstract calculation module connected with the batch processing module, a plaintext file and a file needing to be encrypted are subjected to abstract calculation through the abstract calculation module, and then the plaintext file and the encrypted file are sent to the wireless transmission module to be subjected to integrity verification. Compared with the prior art, the method has the advantages of classified protection, good safety, high flexibility and the like.

The invention discloses an intelligent two-dimensional code anti-counterfeiting verification system, and relates to the technical field of anti-counterfeiting, and the system comprises an information coding and encryption module, a phase conversion and encryption module, an optical instruction generation module, a scanning and instruction execution module, and a decryption and verification module. The information coding and encryption module is used for collecting comprehensive information of a product and generating a basic two-dimensional pattern according to a two-dimensional code coding standard. The phase conversion and encryption module is introduced, so that a major breakthrough of a two-dimensional code anti-counterfeiting verification technology is realized, the module can convert key information into phase information, and the phase information is transmitted to the two-dimensional code; according to the optical encryption method, the two-dimensional code is used as a laser source, normalization processing is carried out in combination with laser wavelength, the phase of reflected light in a specific area of the two-dimensional code is changed through a phase mask plate, so that encrypted information is embedded, the security and reliability of anti-counterfeiting verification are greatly improved, normal scanning and reading functions of the two-dimensional code are not affected, and the security and reliability of the two-dimensional code are improved. And a more powerful technical guarantee is provided for product anti-counterfeiting.

The invention discloses a chart anti-fact question and answer construction method and system based on bootstrap generation. The method comprises the steps that visual description and metadata in a chart image are extracted; based on the chart visual description text, generating an initial anti-fact hypothesis proposal corresponding to the chart visual description text through a small-sample prompting method of a large language model, and generating proposal reserve meeting the quantity requirement in a bootstrap mode; based on the chart metadata and the initial question answer pair, sampling an anti-fact hypothesis proposal sample from the hypothesis proposal reserve, and generating an anti-fact question answer pair through a small sample prompting method of a large language model; after the anti-fact question answer pairs meeting the number requirement are collected, the texts and numerical values of the anti-fact question answer pairs are checked. According to the method, a chart question and answer data set with anti-fact logic can be constructed, a challenging test set can be generated for performance evaluation of a visual question and answer model, and diversified training corpora can be provided for training of a visual text model.

The invention provides a BMS upper computer system, and relates to the technical field of upper computer control, the BMS upper computer system comprises a BMS upper computer and a BMS, the BMS upper computer determines key data of the BMS according to a connection instruction, and sends a request seed message to the BMS; the BMS receives the request seed message; based on the request seed message, determining seed data according to the random factor, and sending the seed data; the BMS upper computer receives seed data returned by the BMS; based on a preset encryption algorithm, determining a first encryption seed result according to the key data and the seed data; the BMS determines a second encryption seed result based on a preset encryption algorithm according to the key data and the seed data, and verifies the first encryption seed result and the second encryption seed result; and when the first encryption seed result and the second encryption seed result are the same, connecting a BMS upper computer, and sending an identification binding success message to the BMS. According to the invention, the safety can be improved.

The invention provides a method for realizing user login security authentication based on a cloud platform, which belongs to the technical field of security authentication and comprises management forms of password identity authentication, two-factor authentication, biological recognition authentication, certificate-based authentication and the like based on a cloud platform user. Security of transmission protocol encryption, password encryption, storage encryption and the like is also included, and data leakage is prevented; meanwhile, access control limitation of the user, user login security auditing and monitoring and the like are also included, and it is ensured that abnormal login or abnormal operation of the user can be found and processed in time. In the cloud platform system, whether multiple authentication modes, authentication timeliness and the like are configured for the user role, so that the user login process can be simplified in the complex cloud platform system.

The invention provides a computer system based on a neural network model. The computer system comprises a feature extraction module, a model construction module, an optimization module, a storage module and a target data encryption module. The feature extraction module extracts data features from historical encrypted data; the model construction module constructs a dynamic encryption and decryption model based on a decision tree algorithm; the optimization module optimizes a preset neural network model through the output of the dynamic encryption and decryption model to obtain a target neural network model; the storage module splits the target neural network model into a plurality of sub-models, and encrypts model parameters and structure information of the sub-models to obtain encrypted data; a target data encryption module obtains and decrypts the encrypted data to obtain decrypted data; and assembling to obtain a target neural network model for encrypting the target data. According to the method, the high-complexity and unpredictable encryption method can be generated for encrypting the target data, and the security risk of the data can be effectively reduced.

The invention provides an interactive processing method and device of a virtual scene, electronic equipment, a computer readable storage medium and a computer program product. The method comprises the steps that a virtual scene is displayed, and the virtual scene comprises a first virtual object and a virtual object; the virtual object is controlled to call out at least one second virtual object in response to the fact that the virtual object meets the call condition, the second virtual object is used for preventing the first virtual object from causing damage to the virtual object, and the virtual object at least partially immune to damage caused by the first attack operation of the first virtual object.

The embodiment of the invention relates to the technical field of information, and discloses a network management method and device based on AUTOSAR, a medium and a program product. The method is applied to a sending end, and comprises the following steps: acquiring a key byte sequence; wherein the key byte sequence is deployed in an electronic control unit, and the electronic control unit is used for managing network nodes; the key byte sequence at least comprises a key, an internal filling constant and an external filling constant; determining a first hash value according to the secret key, the internal filling constant and a to-be-sent original message; determining a second hash value according to the secret key, the external filling constant and the first hash value; and determining a target message according to the second hash value. The method and the device are at least used for solving the technical problems that messages based on automobile network management are easily attacked by a network and the security risk is relatively high in related technologies.

The invention relates to a data transmission method and apparatus, and a computer device. The method comprises the steps of obtaining user identity information, a current timestamp and to-be-transmitted target data; determining secret key data according to the current timestamp and the user identity information; performing confusion processing, splicing processing and encryption processing on the target data according to the secret key data to obtain encrypted data; and sending the encrypted data and the secret key data to a back end, so that the back end decrypts the encrypted data according to the secret key data to obtain target data. According to the method and the device, the key data is dynamically determined in combination with the current timestamp and the user identity information, so that the keys for each data transmission are different, and the difficulty of cracking the keys is greatly increased. And code obfuscation processing is performed on the target data, so that the data tampering difficulty of an attacker is increased.

The invention provides an intelligent decision algorithm evaluation method based on grading evaluation, which comprises the following steps of: constructing a test scene of an intelligent decision algorithm, representing the test scene by adopting scene key representation elements, and extracting test factors under each scene key representation element; an evaluation track is formed based on the requirement for intelligent decision algorithm capability evaluation; according to the evaluation racing tracks of the intelligent decision algorithm, key influence factors of all the evaluation racing tracks are screened in the test factors, and a racing track factor pool of all the evaluation racing tracks is formed; correspondingly setting an initial level of a key influence factor in the track factor pool as a reference value according to the lowest requirement on the capability of the intelligent decision algorithm to be tested, and configuring a test scene according to the set key influence factor to form a reference test scene; and evaluating the grade of the intelligent decision algorithm in a test scene iterative optimization mode. The problem that the capability level of the intelligent decision algorithm cannot be comprehensively and accurately measured in the prior art is solved.

The invention discloses a data distribution method and device, related equipment and a computer readable storage medium. The method comprises the following steps: acquiring first information; the first information represents user plane information of at least one first user; the first information comprises at least one of the following information: GTP-U tunnel identification information; iP address information of the UE; associating the first information with identity identification information of a corresponding first user to obtain second information; the second information represents association information of the first information and identity identification information of a corresponding first user; reporting the second information to a shunting device; and the shunting equipment is used for performing data shunting by using the second information. The user plane information is dynamically allocated when the user accesses the network, and the user plane information needs to be dynamically allocated again when the user accesses the network again, so that the difficulty of acquiring the user plane information of the local user by an illegal user is greatly increased, and the security of the local application is enhanced.

The invention belongs to the technical field of chaos secret communication, and particularly relates to a microwave communication system and method based on chaos carrier hybrid overlay encryption, and the system comprises a chaos feedback loop at a transmitting end, an aliasing device of an optical signal of information to be encrypted and a chaos optical signal, and a chaos feedback open-loop link at a receiving end. The aliasing device is a balance detector; the receiving end further comprises a power divider, a photoelectric detector and an electric subtractor, the power divider divides received electric signals into two paths to be output, one path enters the input end of the chaotic feedback open-loop link, the other path enters one input end of the electric subtractor, the output end of the chaotic feedback open-loop link is connected with the input end of the photoelectric detector, and the output end of the photoelectric detector is connected with the output end of the electric subtractor. The communication method is based on linear aliasing of input chaotic carrier waves and encrypted information power by the balance detector, and has the advantages of being simple in structure, high in safety and small in transmission distortion.

The invention discloses an encryption communication method of an integrated quantum random number generator, and relates to the technical field of communication encryption. According to the method, service data is classified, general service data is subjected to operations of extracting digits from a quantum random number sequence, disorganizing, sorting, multiplying with a digit correction coefficient, rounding off, forming a column vector, multiplying with an encryption matrix and the like to generate an encrypted digit array as a key, and the cracking difficulty of an attacker is increased; according to confidential service data, digits are extracted from a quantum random number sequence, a rectangular plane coordinate system is constructed after similar processing, a circle is drawn through coordinate points, tangent parts are screened out to form a unique and complex encrypted graph which serves as a secret key, the graph structure is difficult to restore, the attempt to illegally acquire confidential data is effectively resisted, and the confidential service quality is improved. And an encryption method in the prior art is replaced, so that the encryption security is improved.

The invention discloses a target code generation method based on a template engine. The method comprises the following steps: presetting a template file corresponding to an item; loading a template file through a template engine, wherein the template file is generated according to the repetitive code of the project; combining the data model corresponding to the project with the template file to generate a target code; the template file comprises a mark used for indicating the template engine to insert dynamic data in the repetitive code, and the data model comprises the dynamic data required by the template file. Through the preset template file, the workload of repeatedly writing codes is reduced, and the development efficiency is improved.

The invention belongs to the technical field related to surface mine unmanned driving, and discloses a hidden dangerous target real-time identification method and system for an unmanned bulldozer in a mining area. The method comprises the following steps: acquiring images of a surrounding working environment of the unmanned bulldozer in the mining area, and marking the type, the position and the pixel size of a hidden dangerous target in each image so as to form a data set about the hidden dangerous target; using the data set to train a hidden dangerous target detection model until the precision index of the target detection model converges, the input of the hidden dangerous target detection model being an image, and the output being the type, position and pixel size of a hidden dangerous target; and inputting a to-be-detected image into the trained hidden dangerous target detection model to obtain the type, position and pixel size of a hidden dangerous target in the to-be-detected image. According to the invention, the problem of identifying hidden dangerous targets in complex scenes and severe environments is solved.

The invention discloses a network link fixing and access detection method based on terminal identity authentication, which relates to the technical field of communication, and comprises the following steps: S1, blocking and locking a target port based on a physical network port lock, and establishing a binding relationship between the physical network port lock and the corresponding target port; s2, establishing authorized unlocking of the physical network port lock in response to the connection between the management system and the physical network port lock; s3, performing identity verification on target equipment accessed by the unlocking port based on the authorized equipment table, and judging whether the target equipment is authorized equipment or not; s4, performing corresponding access control on the target equipment according to the judgment result of the authorized equipment; the problem that physical identity double isolation is not carried out on the switch port in the prior art, so that the protection effect of the intranet port is poor is solved, even if abnormal equipment is accessed, the access range of the abnormal equipment can be limited to the maximum extent, the security protection effect of the intranet is remarkably improved, and efficient and reliable management of the port is achieved.

The invention belongs to the technical field of lithium battery manufacturing, and particularly relates to a dust removal device for lithium battery manufacturing equipment, which comprises a workbench, the middles of the left and right sides of the upper end surface of the workbench are fixedly connected with frame bodies, the middles of the upper end surfaces of the frame bodies are fixedly connected with a dust collection box, and the middle of the rear end of the dust collection box is communicated with a hose. The front end of the hose communicates with a dust suction pipe, a rotating roller is rotationally arranged in the middle of the adjusting plate, a plurality of second brushes are fixedly connected to the rotating roller, and a self-cleaning transfer type covering mechanism for preventing dust from flying to the periphery is arranged on the workbench. According to the self-cleaning transfer type covering mechanism, when a lithium battery is swept and dedusted, raised dust can be intercepted under the enclosure of a lifting disc, an arc-shaped plate, a first sliding plate and a second sliding plate, so that the dust only flies in a small area, the surrounding environment is prevented from being polluted by the raised dust, and the dust removal efficiency of the lithium battery is improved. And surrounding workers are not influenced.

The invention relates to the technical field of wildlife monitoring data prediction and simulation, in particular to a wildlife migration path prediction method based on environmental factor data and monitoring site data, which comprises the following steps: S1, carrying out systematic digital extraction work of site and path information; s2, obtaining a digital orthograph (DOM) and preprocessing the DOM; s3, environment factor data are sorted out; s4, integrating the environment factor data and the wild animal group appearing and disappearance point and migration path data to form a wild animal group migration database; s5, establishing a migration path simulation model by adopting a mode of constructing a resource selection probability-resource steering path algorithm (RSF-RGPA); s6, analyzing point locations on the basis of the model obtained in the S5, and continuously iterating until an end point to form a path; according to the method, environmental factor data and wild animal appearing and diving point data are systematically integrated, and the accuracy of migration path prediction is greatly improved by utilizing a constructed resource selection probability-resource guide path algorithm (RSF-RGPA).

The utility model discloses a connecting rod rotating shaft mechanism of a rotating shaft side sliding door of a shower room, which is used for being arranged between a door frame and the side sliding door and comprises two connecting rod rotating shaft assemblies, the two connecting rod rotating shaft assemblies are symmetrically distributed on the upper side and the lower side of the side sliding door, and each connecting rod rotating shaft assembly comprises a pulley component, a sliding rail and a connecting rod. The sliding wheel component is rotationally installed on the side sliding door, the sliding rail is arranged on the door frame and distributed in the width direction of the door frame, the sliding wheel component is in rolling fit with the sliding rail, one end of the connecting rod is hinged to one side of the sliding rail, and the other end of the connecting rod is hinged to the side sliding door. According to the utility model, the space required for opening the side sliding door is greatly saved, and the door entering space is increased.

The invention discloses a transaction processing method and device in a block chain, electronic equipment and a storage medium, and belongs to the technical field of network security. In the method, after a request end obtains target transaction information required by an AMM transaction, transaction authenticity proof is carried out by using an anti-parallel algorithm; according to the method, a transaction request carrying part of target transaction information is sent to a consensus node in a block chain network, then supplementary transaction information of the transaction request is sent to the consensus node, and the supplementary transaction information comprises the remaining part of target transaction information, verification auxiliary information and authenticity proof information obtained by using an anti-parallel algorithm; a consensus node performs transaction authenticity verification based on verification auxiliary information and authenticity proof information, and responds to a transaction request based on an authenticity verification result, and when an anti-parallel algorithm is utilized to perform transaction authenticity proof, an attacker is difficult to forge a transaction matched with the authenticity proof, so that sandwich attacks can be effectively discriminated.

The invention belongs to the technical field of privacy protection, and discloses a false position privacy protection method and system based on moving path semantic relevance, which utilizes a neural network to learn spatial-temporal features and semantic features among positions in a real moving path of a user, and combines transition probability among position sequences to obtain a false position privacy protection result. The influence of query time on spatial-temporal features and semantic features among positions is quantified, and a false position privacy protection scheme based on moving path semantic relevance is provided. Theoretical analysis and a large number of experiments show that the scheme can efficiently help a user to generate a false position sequence which cannot be distinguished from a real position sequence in terms of spatial-temporal features and semantic features, and effectively protect the position privacy of a requesting user.

The invention relates to a method and system for improving the recognition difficulty of a graphic verification code machine, and belongs to the field of graphic recognition, and the method comprises the following steps: a, adding letter combinations with similar shapes or easy confusion into an image, and adding random noisy points or interference elements to improve the recognition difficulty of a computer; b, adjusting positions, sizes, colors and forms of letters in each frame through image editing software, ensuring that a human observer identifies the letters through a persistence of vision effect, and meanwhile, hindering rapid identification of a computer; and c, finely adjusting the inter-frame difference to ensure that the change is fine and accords with a perception threshold value of human vision persistence so as to realize dynamic display and increase the machine identification difficulty. The method has the advantages that the security is enhanced: the difficulty of identifying the verification code by an automatic script and a machine learning model is effectively increased by introducing letter combinations which are similar in shape or easy to confuse and random noisy points or interference elements, so that the security of the system is improved.

The invention discloses an information one-way isolated transmission method based on image coding recognition, and relates to the technical field of one-way isolated transmission, the method comprises a data acquisition unit (1), a two-dimensional code display screen (2), a code scanning gun (3) and a data storage unit (4), the coding technology is utilized to convert field data into a two-dimensional code form, and the two-dimensional code form is transmitted through a 485 protocol; the coding mode is matched with the display characteristic of the liquid crystal module of the two-dimensional code display screen, the liquid crystal module accurately adjusts the driving voltage according to the reflectivity information of the two-dimensional code module, the accuracy of two-dimensional code display is ensured, meanwhile, the code scanning gun can accurately collect and decode the specially coded two-dimensional code, decoding errors are reduced, and the data storage unit is used for storing data. The gateway module can store data containing reflectivity information, the information can be used for follow-up analysis, and the integrity and confidentiality of the data can be guaranteed through an error correction coding segment in the transmission process.

The invention relates to the technical field of chip secure storage, and discloses a secure storage method and system for a low-voltage power distribution control chip, and the method comprises the steps: encrypting to-be-written data submitted by a user through employing a data encryption algorithm in response to a request type being a write-in request, storing the encrypted to-be-written data, and storing the to-be-written data. Scrambling the storage address by adopting an address scrambling algorithm to obtain a scrambled address; and in response to the request type being a reading request, acquiring a scrambling address of to-be-read data submitted by a user, descrambling the scrambling address by adopting an address descrambling algorithm to obtain a descrambling address, extracting the encrypted to-be-read data according to the descrambling address, and decrypting the encrypted to-be-read data by adopting a data decryption algorithm. According to the method, the security of data storage is improved through multi-level security measures, and the security of data in the storage unit is improved through an address scrambling mode, so that the security and the stability of operation of a power system are ensured.