10results about How to "High security requirements" patented technology

The embodiment of the application discloses an industrial internet threat identification method and system, the method comprises the following steps: collecting multi-source data in the industrial internet scene in real time through a bypass deployed collection terminal; pre-processing and feature extraction are performed on the multi-source data to obtain first features and second features; the first features and the second features are fused to obtain fused features; the fused features are identified by using a threat identification engine to obtain a threat identification result. The application has the following advantages: 1. The single-dimensional detection limitation is broken, the coordinated attack can be effectively identified, and the false positive rate and the false negative rate are reduced; 2. The known threat and the unknown threat are fully covered, and the high safety requirement of the industrial system can be met; 3. The attack chain correlation analysis across domains and time is supported, the attack process can be completely restored, the attack influence range is clear, and accurate basis is provided for threat disposal; 4. The industrial production network is not invaded, the normal communication process is not disturbed, and the core requirement of the industrial scene, that is, low invasion and high availability, is met.

The high-protection outer rotor axial flow fan comprises an outer rotor motor and a wind wheel, the outer rotor motor comprises a base, an outer rotor assembly, a rotating shaft and a stator assembly, and the base comprises a bottom plate and a sleeve protruding upwards from the middle of the top face of the bottom plate. The shaft support is installed on the two bearings, the top end of the shaft support is connected with the outer rotor assembly, the stator assembly is arranged outside the sleeve in a sleeving mode, an annular boss is arranged on the edge of the bottom plate, and a labyrinth sealing structure is formed by the annular boss and the end of the outer rotor assembly. The wind wheel comprises blades and a hub, the blades are installed on the outer side of the hub, and the hub is installed outside the outer rotor assembly through an installation support. The base is sleeved with an outer water retaining ring, an inner water retaining ring is installed on the installation support, and the outer water retaining ring and the inner water retaining ring are matched to form a water retaining device on the periphery of the labyrinth sealing structure. The waterproof and dustproof levels of the axial flow fan are greatly improved, the reliability is high, and the failure rate is low.

The invention provides a terminal communication module and a near-zero power consumption perceptual information security communication method, and the terminal communication module comprises an active communication assembly which is used for providing access attachment and active active communication capability of active cellular mobile communication; the passive communication component is used for providing access attachment and passive communication capability of passive cellular mobile communication; the passive communication component is also used for self-charging by receiving an energy supply signal and providing charging capacity for an external lithium battery through the power management component; the safety protection assembly is externally connected with the sensing assembly and is used for providing the safety protection capability of the application for the external sensing assembly; the power management assembly is used for providing required voltage for the active communication assembly, the safety protection assembly and the power management assembly and reversely providing a charging function for an external lithium battery in cooperation with the passive communication assembly; according to the invention, the advantages of near-zero power consumption, maneuverability, mobility, middle and long distance coverage, safe communication and the like can be considered at the same time on the premise of being compatible with standards and industrial chains.

The application provides a monocular three-dimensional target perception method, system and device based on instances, the method comprises the following steps: acquiring multi-view images collected by a vehicle-mounted camera; inputting the multi-view images into a monocular three-dimensional target perception model to obtain instance perception results; the monocular three-dimensional target perception model is used for feature extraction on the multi-view images, depth information enhancement on multi-scale feature maps, cross-attention operation on a pre-constructed query vector and a depth perception feature map, depth estimation on instance query features based on a pre-constructed reliability evaluation model, feature calibration on the instance query features based on a depth reliability weight factor, and decoding on the calibrated instance query features; the application can evaluate the depth reliability of each instance query feature and differentially calibrate the corresponding instance query features based on each depth reliability evaluation, thereby effectively improving the perception accuracy of targets in scenes such as occlusion and scale variation.

Embodiments of the present application provide a chip, a physically unclonable function generator and a chip authentication method. The chip comprises a first magnetic conducting sheet, a die and a second magnetic conducting sheet, the die is arranged on the second magnetic conducting sheet, and the first magnetic conducting sheet is arranged on the die. The size of the first magnetic conducting sheet is greater than the size of a storage array in the die, the storage array comprises a data array and a physically unclonable function array, and the data array is located at the periphery of the physically unclonable function array. The chip is placed in an external magnetic field, and when the external magnetic field causes the second magnetic conducting sheet to reach a magnetic saturation state, the resistance state of part of the storage units in the physically unclonable function array is reversed. The working range of the physically unclonable function array is widened, so that it can work in a stronger external magnetic field.

The automatic filter element grabbing device based on flexible limiting comprises a hollow screw rod, a lower mounting plate and an upper mounting plate, a grabbing assembly used for grabbing a filter element is arranged at the bottom end of the hollow screw rod, and a pressure sensor is fixedly connected to the lower surface of the upper mounting plate; a suspension mounting plate is fixedly connected to the bottom end of the pressure sensor, sliding rods are fixedly connected to the four corners of the upper surface of the lower mounting plate, sliding grooves matched with the sliding rods are formed in the four corners of the suspension mounting plate, baffles are fixedly connected to the top ends of the sliding rods, and springs are fixedly connected to the lower surfaces of the baffles. Through cooperation of the hollow screw rod, the lower mounting plate, the upper mounting plate, the grabbing assembly, a pressure sensor, a suspension mounting plate, a sliding rod, a sliding groove, a baffle, a spring and a driving assembly, the grabbing process is more stable and safer, and the grabbing device is suitable for application environments with higher requirements for safety and reliability in nuclear-grade waste filter element replacement scenes.

This invention discloses a path planning method based on the soft fusion of virtual chemical fields and reinforcement learning, belonging to the field of robot navigation and artificial intelligence technology. The method includes the following steps: constructing a confined space containing obstacles, setting the initial and target positions of the moving subject; constructing a virtual chemical field that attracts the target and repels the obstacle, calculating the field strength characteristics and evolution trend, and scheduling forward movement, fine-tuning, and large-scale turning to generate guiding actions; constructing a reinforcement learning policy model to generate policy actions; introducing an exponential decay soft fusion mechanism to select either a guiding action or a policy action as the final action with decreasing probability; driving the subject to move to a new position, obtaining a reward according to a reward function, and storing the interaction samples in an experience pool; updating the policy model after the samples reach a threshold, repeating until convergence; and generating a collision-free path from the initial position to the target when obstacles change. This invention achieves efficient adaptive collision-free path planning through the soft fusion of biomimetic guidance and reinforcement learning.

This application provides a chip, a physically unclonable function generator, and a chip authentication method. The chip includes a first magnetically conductive sheet, a bare die, and a second magnetically conductive sheet. The bare die is disposed on the second magnetically conductive sheet, and the first magnetically conductive sheet is disposed on the bare die. The size of the first magnetically conductive sheet is larger than the size of the memory array in the bare die. The memory array includes a data array and a physically unclonable function array, with the data array located around the periphery of the physically unclonable function array. When the chip is placed in an external magnetic field, and the external magnetic field causes the second magnetically conductive sheet to reach magnetic saturation, the resistance state of some memory cells in the physically unclonable function array flips. This broadens the operating range of the physically unclonable function array, enabling it to operate in stronger external magnetic fields.

The invention discloses a data stream splitting and transmission method and system based on semantics and time delay sensitivity, and relates to the technical field of wireless communication and power system automation. A sending end carries out service semantic analysis on a to-be-sent service data stream, determines a minimum semantic integrity condition based on time delay sensitivities corresponding to different service semantics, and splits an original data stream into a plurality of micro data units which can be independently scheduled, independently transmitted and independently reconstructed. The micro data unit is generated without depending on a fixed data frame or a preset packaging length, and directly participates in resource allocation and transmission processes as a minimum scheduling object in a wireless communication system. And the receiving end dynamically reconstructs and processes the received data according to the semantics and dependency information carried by the micro data unit without waiting for the arrival of a complete data frame or complete service data. By means of the mode, the structural time delay in the wireless communication process can be effectively compressed, and the real-time communication performance of key services in a transformer substation is improved.

The present application belongs to the field of information technology and data management, and relates to a two-dimensional code management, service and security guarantee method and device for enterprise level, which comprises the following steps: constructing a unified two-dimensional code management platform, adopting a tree topology structure and a five-layer classification mechanism to uniformly encode and manage two-dimensional codes, and combining a label mechanism to multi-dimensionally define two-dimensional code attributes; performing full life cycle management on two-dimensional codes; configuring the generation, beautification, template customization, printing and interface of providing external services of two-dimensional codes through an API interface; establishing a code analysis system to collect, count, analyze and visualize two-dimensional code usage data; and constructing a code security system through automatic content review, localized deployment, encryption algorithm, API security reinforcement and access control strategy. The present application has good expansibility and adaptability, and can improve operation efficiency and service capability, strengthen data security guarantee and excavate data asset value through centralized, unified and standardized management.