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496 results about "Isolation system" patented technology

Distributed multi-tenant data security isolation system and method

The invention discloses a distributed multi-tenant data security isolation system and method, and relates to the technical field of data isolation, and the system comprises a data isolation module which is responsible for distributing independent container instances and hardware resources for each tenant, and adjusting the data access authority according to an access control strategy; the dynamic access control module is responsible for generating an access control strategy according to the user identity, the authority, the tenant strategy and the access behavior; the distributed data management module is responsible for storing data fragments on different storage nodes; the resource scheduling and optimizing module is responsible for collecting resource demand data of each tenant, calling an intelligent scheduling algorithm, performing dynamic prediction and analysis on resource demands, and then automatically adjusting a resource allocation strategy according to a prediction result; and the security auditing and monitoring module is responsible for collecting operation logs and event records of each module and carrying out comprehensive analysis. The invention aims to solve the problems of data security and resource management in a multi-tenant environment.
Owner:SHANDONG INSPUR SCI RES INST CO LTD

Intelligent network flow anomaly detection and automatic isolation system

The invention discloses an intelligent network traffic anomaly detection and automatic isolation system, which comprises a data acquisition module, a preprocessing module, an intelligent traffic analysis module, an anomaly detection engine, an automatic isolation execution module and a visual monitoring and alarm platform, by introducing a deep learning algorithm and a multi-dimensional anomaly detection algorithm, deep mining and comprehensive analysis of network traffic can be realized, feature information is automatically learned and extracted from mass data, an accurate traffic behavior model is constructed, and abnormal behaviors in the traffic are detected in real time. And full-process automatic processing from data acquisition, preprocessing, intelligent analysis to automatic isolation is realized. When abnormal traffic is detected, the system can automatically execute isolation measures and monitor the isolation purpose in real time, and compared with a traditional method based on a rule base or threshold judgment, the method is higher in detection accuracy and real-time performance.
Owner:ZHEJIANG HUASU DIGITAL TECHNOLOGY CO LTD

Low-frequency vibration isolator with wide quasi-zero stiffness interval

The invention relates to a low-frequency vibration isolator with a wide quasi-zero stiffness interval. The low-frequency vibration isolator comprises a bearing platform, a base, a first negative stiffness assembly, a second negative stiffness assembly and a linear vibration isolation assembly. The bearing platform and the base are arranged in parallel and are both provided with bolt holes and limiting holes; a linear vibration isolation assembly is installed between the bearing platform and the base. The first negative stiffness assemblies are symmetrically distributed with the center point connecting line of the bearing platform and the base as the symmetry axis. The top of the first negative stiffness assembly is connected with the bearing platform, and the bottom of the first negative stiffness assembly is connected with the base. The two ends of the second negative stiffness assembly are connected with the two first negative stiffness assemblies correspondingly. The low-frequency vibration isolator has the characteristics of high static rigidity and low dynamic rigidity, the contradiction between the bearing capacity and the vibration isolation performance of a linear vibration isolation system is effectively solved, and the effective low-frequency vibration isolation effect on a vibration-isolated object is achieved while the bearing capacity of the vibration isolator is guaranteed.
Owner:HARBIN INST OF TECH

Horizontal vibration isolation system with multi-tensioning wires having quasi-zero adjustable stiffness in three axes

An isolation system is provided. The isolation system is configured to isolate the translational vibration in the directions of an X-axis and a Y-axis and the torsional vibration around a Z-axis by being positioned between a ground and a load. The isolation system includes at least one base platform that can be associated with the ground, at least one load bearing platform that can be associated with the load, a plurality of beams positioned between said base platform and said load bearing platform in a symmetric way that there is equal distance and equal angle between them with respect to the central axis, multiple tensioning wires positioned adjacent to each beam or beam group so that there is at least one for that beam or beam group in order to bring the said base platform and said load bearing platform closer together.
Owner:BOGAZICI UNIVERSITY

Drilling integrated packing system and method with dynamic sealing and flexible spraying functions

ActiveCN119266765AGuaranteed extraction efficiencyAchieving tightnessMining devicesConstructionsSlurryMechanical engineering
According to the drilling integrated packing system and method with the dynamic sealing and flexible spraying functions, firstly, two blocking bags are subjected to grouting expansion through a grouting device, a sealed space is formed between the two blocking bags, and flexible hole sealing grout is injected into the sealed space to enable the flexible hole sealing grout to enter drilling cracks; a spraying device is used for spraying a flexible spraying material on the roadway surface outside the drilled hole, and primary sealing and spraying work is achieved; after completion, gas extraction is carried out on the drill hole, in the gas extraction process, the gas extraction drill hole sealing quality detection device collects gas in the drill hole in real time for data detection, analysis and processing are carried out in combination with a set threshold value, and therefore the drill hole sealing quality is judged, and if the hole sealing quality is reduced, the grouting device and the spraying device work, and the grouting device and the spraying device work. Re-sealing and spraying of the drilled hole are achieved; and in the subsequent gas extraction process, according to the drilling quality judged in real time, the dynamic hole sealing process of first sealing and then spraying can be continuously conducted, and therefore the gas extraction efficiency is guaranteed.
Owner:CHINA UNIV OF MINING & TECH

Transmit-receive isolation device and laser communication transmit-receive isolation system

The invention discloses a transmit-receive isolation device and a laser communication transmit-receive isolation system, and relates to the technical field of inter-satellite laser communication, the transmit-receive isolation device comprises a transmit-receive module, a communication detection module, a filtering module, a detection module and a control module, the transmit-receive module is used for receiving remote light and outputting the remote light as a remote light signal; the communication detection module is used for receiving a remote optical signal; the filtering module is connected between the communication detection module and the transceiving module, the filtering wavelength of the filtering module can be adjusted, and the filtering module is used for selectively transmitting optical signals with specific wavelengths; the detection module is used for detecting the wavelength of the remote optical signal; the control module is respectively connected with the filtering module and the detection module; the control module is used for controlling the filtering wavelength of the filtering module to be equal to the wavelength of the remote optical signal according to the detection result of the detection module, so that the filtering module selectively filters the remote optical signal; according to the technical scheme, the compatibility of the laser communication transceiving isolation system can be improved.
Owner:PENG CHENG LAB

User-oriented multi-tenant security enhancement service isolation system

The invention relates to the technical field of information processing, in particular to a user-oriented multi-tenant security enhancement service isolation system, comprising: at least one tenant, each tenant having an independent namespace, at least one corresponding service, at least one corresponding node, and a network storage space; the public node pool comprises a plurality of public nodes, and firewalls are arranged between the public nodes and the nodes corresponding to the tenants; and the resource controller is used for dynamically adjusting the resources of different tenants. A safe isolation environment of computing resources, storage resources and network resources is constructed in a mode of combining soft isolation and hard isolation, safe and efficient resource intensive management of a multi-tenant environment is realized, a resource adjustment mode of each tenant is determined according to index data of each tenant, tenant resources are automatically and dynamically allocated, and the resource utilization rate is improved. And the business isolation requirements of the tenants are met on the premise of ensuring the system stability and security.
Owner:NO 15 INST OF CHINA ELECTRONICS TECH GRP

Diagnostic method for localizing technical faults in a motion system

A diagnostic method localizes technical faults in a motion system that includes a base adapted to receive a motion stage for equipment, a machine frame resting on the floor, dampers adapted to support the base, and an active isolation system arranged between the base and the machine frame. The active isolation system and the base form a mechanical system. The active isolation system includes actuators, adapted to impart six degree-of-freedom (DOF) motion to the base in a reference frame, and inertial sensors adapted to provide a six DOF measurement of the base's motion. The method includes: i) applying a control signal for actuating or contributing to the actuation of the actuators of the active isolation system to impart a motion to the base; ii) obtaining, with the inertial sensors, a six DOF measurement of the base's motion relative to a reference point; iii) creating a measured process sensitivity matrix of the mechanical system using the six DOF measurement; and iv) determining, based on the measured process sensitivity matrix, whether all the actuators and sensors of the active isolation system are working as expected and / or whether there is a pivot point impeding the movement of the base.
Owner:ETEL SA

Quasi-zero stiffness shock isolation device based on hydraulic negative stiffness and design method thereof

The invention relates to the technical field of structural engineering shock isolation, in particular to a quasi-zero stiffness shock isolation device based on hydraulic negative stiffness and a design method thereof. A quasi-zero stiffness shock isolation device based on hydraulic negative stiffness comprises a vertical bearing unit which comprises at least one vertical spring, and the two ends of the vertical spring are connected to the top face of a lower connecting plate and the bottom face of an upper connecting plate respectively; the negative stiffness unit comprises a hydraulic oil cylinder and a piston rod, the piston rod extends into the hydraulic oil cylinder, and the hydraulic oil cylinder and the piston rod are hinged to the lower connecting plate and the upper connecting plate respectively, or the hydraulic oil cylinder and the piston rod are hinged to the upper connecting plate and the lower connecting plate respectively; the distance between the upper connecting plate and the lower connecting plate is increased or decreased to drive the length of the piston rod extending into the hydraulic oil cylinder to change so as to provide negative stiffness. The problems that in the prior art, when a nonlinear vibration isolation system provides negative stiffness in a metal horizontal spring compensation mode, a quasi-zero stiffness working zone is narrow, the bearing capacity is low, and the requirement for installation precision is high are solved.
Owner:CHINA RAILWAY ERYUAN ENGINEERING GROUP CO LTD

Heterogeneous metal laser welding device

The invention relates to the technical field of laser welding, in particular to a dissimilar metal laser welding device which comprises a base, and a welding area is arranged at the top of the base. According to the dissimilar metal laser welding device, through an intelligent airflow isolation system, a flexible baffle structure pressurized by a spring is adopted, and dynamic sealing is formed by automatically attaching to the surface of a workpiece in the welding process. A protective air curtain is built around a welding area, cooling airflow is allowed to pass through the peripheral area to achieve overall cooling, airflow disturbance directly blown to a welding seam can be effectively blocked, and a self-adaptive welding seam tracking mechanism is adopted; the whole protection frame is driven to deflect synchronously through contact friction force between the limiting pad and the workpiece. According to the mechanical tracking mechanism, the position of the baffle can be adjusted in real time without an additional sensor and a control system, so that a protection area accurately covers a welding seam path all the time. And the method is particularly suitable for the common irregular joint situation during dissimilar metal welding.
Owner:JINAN RONGXUAN TECH DEV CO LTD

Virtual desktop sandbox isolation system, method and equipment for Windows and medium

The invention discloses a virtual desktop sandbox isolation system, method and equipment for Windows and a medium, and relates to the technical field of computers. The system comprises a virtual desktop management module, a sandbox isolation module and a resource access control module. A virtual desktop management module creates and manages a virtual desktop, a sandbox isolation module generates an independent sandbox environment for each desktop, cross-desktop process communication is prevented, and file write operation redirection and external access interception are respectively realized by means of a resource access control module and through an API hook and dynamic link library injection technology. And redirection and access control of network communication to a VPN network channel. Therefore, systematized deep isolation is realized at the desktop level. Through deep binding of the virtual desktop and the sandbox environment, desktop-level file system redirection, network channel isolation and process communication blocking are achieved, and the security requirement for reliable, seamless and deep isolation between different virtual desktops is met.
Owner:BEIJING WANLIHONG TECH CO LTD

Rapid cooling device and method for heat-conducting structural adhesive

The rapid cooling device comprises a cooling box body, air curtain isolation systems are arranged at the two ends of the cooling box body, and the interior of the cooling box body is sequentially divided into a pre-cooling area, a deep cooling area and a uniform temperature area in the material conveying direction; the pre-cooling area is provided with a first cooling unit, the first cooling unit comprises a compressed air source and a plurality of vortex tube coolers communicated with the compressed air source, and the output ends of the vortex tube coolers are provided with nozzles used for spraying cold air to materials; the deep cooling area is provided with a second cooling unit, the second cooling unit comprises a liquid nitrogen supply source and a plurality of atomizing nozzles communicated with the liquid nitrogen supply source, and the second cooling unit is used for spraying low-temperature atomizing media to materials. The efficient, uniform and stable cooling of the heat-conducting structural adhesive is realized, and the product performance and batch consistency are improved.
Owner:NANTONG HENGHUA ADHESIVE MATERIAL TECH CO LTD

Mechanical model establishment and optimization design method of airborne equipment vibration isolation system

The invention relates to an airborne equipment vibration isolation system mechanical model establishment and optimization design method. According to the mechanical model building method of the airborne equipment vibration isolation system, parameters alpha and beta are introduced into a normalized Bouc-Wen model, and the mechanical characteristics of the steel wire rope vibration isolation system under different load conditions can be effectively described. On the basis of the model, transmissibility curves of a steel wire rope vibration isolation system and a high-static and low-dynamic steel wire rope vibration isolation system under different load conditions are calculated through a fourth-order Runge-Kutta method, the number of steel wire rope vibration isolation assemblies is adjusted, and optimized parameters alpha and beta can be obtained. And adding a force F (x) generated by a negative stiffness device into the normalized Bouc-Wen model under the optimized parameters to obtain the normalized Bouc-Wen model capable of describing the high-static and low-dynamic steel wire rope vibration isolation system. The force F (x) generated by the negative stiffness device is changed to obtain a transmissibility curve of the high-static low-dynamic steel wire rope vibration isolation system under different negative stiffness, and based on the transmissibility curve under different negative stiffness, the optimal negative stiffness can be obtained through optimization.
Owner:HUNAN UNIV

Red and black isolation system and method for realizing dynamic switching of encryption algorithm based on FPAG dynamic configuration technology

The invention provides a red and black isolation system and method for realizing encryption algorithm dynamic switching based on an FPAG dynamic configuration technology, and aims to solve the problems of rigid isolation strategy, high switching response delay, encryption algorithm solidification and the like of a traditional red and black isolation architecture. The system comprises a red area CPU unit, a black area CPU unit and an isolation area FPGA access control unit, and automatic switching of protection strategies is achieved through FPGA local dynamic configuration. According to the invention, the encryption algorithm can be rapidly and dynamically switched according to the identified network threat level, and efficient and secure transmission of data among different security domains is ensured. The method has the characteristics of file encryption storage and integrity verification, key security processing, dynamic region isolation, multi-algorithm support and the like, is suitable for cross-security domain information interaction scenes needing to ensure information security, and has good social benefits and wide application prospects.
Owner:CHINA STATE SHIPBUILDING CORP NO 707 RES INST

Time service protection isolation system, method and device and storage medium

The invention discloses a time service protection isolation system, method and device and a storage medium. The system comprises a time service source, a target system, a programmable optical switch and a programmable logic controller. Wherein the programmable optical switch is used for physically and dynamically isolating a time service source from a target system; and the programmable logic controller adopts a hierarchical control architecture, dynamically controls the on-off state of the programmable optical switch through control strategies such as a multi-factor weight decision algorithm and the like, and performs selection and switching among a plurality of optical fiber transmission lines. The technical problem that a traditional time service system is prone to external interference and attack is solved, and the safety and reliability of the system are remarkably improved by achieving dynamic physical isolation transmission of the time service information. The method not only ensures accurate transmission of the time service information, but also can effectively deal with various potential threats, and provides powerful guarantee for time synchronization of key infrastructures.
Owner:GUANGZHOU KETENG INFORMATION TECH

Ferry password isolation system

The invention provides a ferry password isolation system, and relates to the technical field of information security, and the system comprises an external network host module, a physical ferry module, an intermediate host module and an internal network host module which are isolated from one another: the external network host module is configured to communicate with an external network, obtain data from the external network, and transmit the data to the physical ferry module; the physical ferry module is configured to communicate with the extranet host module, is disconnected from the intermediate host module, and receives data transmitted by the extranet host module; the data transmission module is disconnected with the external network host module, communicates with the intermediate host module and transmits the data to the intermediate host module; the intermediate host module is configured to receive the data transmitted by the physical ferry module and transmit the data to the intranet host module in a one-way manner; and the intranet host module is configured to receive the data transmitted by the intermediate host module.
Owner:SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD

Power distribution network single-phase earth fault processing and fault rapid area isolation system

The invention provides a power distribution network single-phase earth fault processing and fault rapid regional isolation system for solving the problems existing in power distribution network single-phase earth fault regional isolation at present. The system is composed of an improved compensation damping type active intervention arc extinguishing device installed on a transformer substation bus, primary and secondary fusion intelligent switches installed at all nodes of a distribution line, and a primary and secondary fusion intelligent switch intelligent control terminal. When a single-phase grounding fault occurs, a grounding switch of the compensation damping type active intervention arc extinguishing device is switched on, a primary and secondary fusion intelligent switch control terminal of each node of a power grid generates corresponding low-resistance, medium-resistance and high-resistance zero-sequence protection fixed values, and when the single-phase grounding fault occurs, zero-sequence current protection is started to realize rapid fault area isolation of the single-phase grounding fault.
Owner:李景禄

Intelligent seismic mitigation and isolation system for railroad bridge

The invention provides a railroad bridge intelligent seismic mitigation and isolation system, and relates to the technical field of railroad bridge engineering, the railroad bridge intelligent seismic mitigation and isolation system comprises a seismic mitigation support arranged on a bridge, the seismic mitigation support comprises a first seat body, a second seat body, a third seat body, a fourth seat body, a first limiting assembly and a second limiting assembly, the first seat body is slidably connected with the second seat body, and the second seat body is slidably connected with the third seat body; the fourth seat body is connected between the second seat body and the third seat body in a sliding mode, the first limiting assembly limits relative displacement of the first seat body and the second seat body, and the second limiting assembly limits relative displacement of the second seat body and the third seat body. The first limiting assembly and the second limiting assembly cut off and release the displacement constraint under different earthquake intensities, graded damping is achieved in combination with the multi-direction sliding structure, the displacement constraint can be released in a graded mode according to the earthquake intensities, and track structure safety and bridge main body structure protection are effectively balanced.
Owner:RAILWAY CONSTR RES INST OF CHINA ACAD OF RAILWAY SCI CO LTD +2

Digital twin long-span bridge earthquake wind vibration and vibration reduction and isolation system and method

PendingCN121936002AImplementation cycleRealize managementGeometric CADDesign optimisation/simulationFatigue damageGeometrically nonlinear
The invention discloses a digital twinning long-span bridge earthquake wind vibration and vibration reduction and isolation system and method, the system takes a high-fidelity digital model for constructing a long-span bridge as a basis, comprises full life cycle monitoring and management of the bridge under earthquake, wind vibration and vibration reduction and isolation conditions, and is based on a sky-air-ground-water integrated ubiquitous sensing module. In combination with artificial intelligence algorithms such as deep learning and a pulse neural network, real-time state evaluation of a bridge structure, material nonlinear analysis, geometric nonlinear analysis, multi-point excitation and pile-soil-structure interaction simulation, wind-induced fatigue damage prediction, earthquake vulnerability evaluation and closed-loop control scientific decision based on an artificial intelligence body are realized. According to the invention, system support and method guidance can be provided for large-span bridge anti-seismic and anti-wind design, intelligent monitoring, operation and maintenance management and vibration reduction and isolation system optimization.
Owner:SOUTH CHINA UNIV OF TECH

Freezing method foundation pit anti-permeation isolation system

The invention relates to a freezing method foundation pit anti-permeation isolation system which comprises a plurality of freezing pipes inserted into a soil body near a foundation pit and distributed in an arch shape, a saline water main pipe sequentially connected with the freezing pipes and freezing stations connected to the two ends of the saline water main pipe. A lead screw, a nut lifting plate matched with the lead screw and a partition plate for guiding the nut lifting plate are arranged in a pipe body of the freezing pipe, the nut lifting plate divides the pipe body of the freezing pipe into an upper cavity and a lower cavity which are not communicated with each other, and a liquid inlet and a liquid outlet which are communicated with the brine main pipe are formed in the top of the pipe body of the freezing pipe; a heating plate is arranged in the partition plate; low-temperature saline water in the freezing station enters an upper cavity of the freezing pipe through the saline water main pipe to freeze a soil body, and anti-permeation isolation is carried out; the driving motor drives the lead screw to rotate, the lead screw drives the nut lifting plate to move up and down in the pipe body of the freezing pipe, the height of the upper cavity is adjusted, and freezing of stratums of different depths is achieved. And the heating plate is used for heating the low-temperature saline water in the freezing pipe and unfreezing the soil body.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD +2

Reticle gripper damper and isolation system for lithographic apparatuses

Embodiments herein describe methods, devices, and systems for a reticle gripper damper and isolation system for handling reticles and reducing vibrations in a reticle handler for lithography apparatuses and systems. A reticle handler apparatus includes a reticle handler arm, a reticle baseplate configured to hold the reticle, and a gripper arranged to connect the reticle baseplate to the reticle handler arm. The gripper includes a static structure that is coupled to the reticle handler arm, an isolation structure that is coupled to the static structure, and one or more damping elements. The gripper is configured to reduce vibrations of the reticle in the reticle handler apparatus using the one or more damping elements.
Owner:ASML NETHERLANDS BV +1

Double-clamping-sealing compression type anti-failure packer for gas injection tubular column

The double-clamping-sealing compression type anti-failure packer for the gas injection tubular column is sequentially provided with an upper packing system, an anchoring system, a lower packing system and an unpacking mechanism from top to bottom, the upper packing system comprises an upper setting piston, and a middle piston section is arranged on the periphery of a center pipe in a sleeving mode and is sealed with the center pipe; external threads at the upper end of the upper anchor tooth ring are screwed below the piston section of the upper setting piston, and the lower part of the upper anchor tooth ring is provided with inner anchor teeth and a plurality of slotted grooves with openings at the lower ends; the upper part of the upper sealing upper pressing sleeve is screwed with internal threads at the lower end of the upper setting piston, and the lower end of the upper sealing upper pressing sleeve is sleeved on the periphery of the upper end of the upper sealing lower pressing sleeve; the upper sealing rubber barrel abuts against the lower portion of the upper sealing upper pressing sleeve and is arranged on the periphery of the upper sealing lower pressing sleeve in a sleeving mode; the upper sealing lower pressing sleeve is arranged on the periphery of the center pipe in a sleeving mode and provides center and lower end supporting for the upper sealing rubber barrel. According to the packer, large-span double packing can be achieved, mechanical and differential pressure locking setting double insurance is achieved, the one-way differential pressure resisting capacity and the two-way alternate pressure bearing capacity are high, and step-by-step reliable unpacking can be achieved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Internal and external network security interaction method based on asymmetric encryption

The invention belongs to the technical field of intersection of information network security and power communication, and discloses an asymmetric encryption-based internal and external network security interaction method, which is characterized by comprising the following steps of: 1, key generation and management; 2, a data encryption step; a third step of data transmission; and a fourth step of data decryption. The method has the main beneficial technical effects that the data transmission security is improved, the key management process is simplified, the data transmission efficiency and the transmission convenience are improved, the security isolation of the internal and external networks is realized, the system operation is simpler and more convenient, and the wide applicability is improved.
Owner:EZHOU POWER SUPPLY COMPANY STATE GRID HUBEI ELECTRIC POWER

Micro-isolation system and method based on service awareness in zero-trust environment

The invention discloses a micro-isolation system and method based on service awareness in a zero-trust environment, the micro-isolation system comprises three units of a zero-trust engine, a zero-trust execution agent and a micro-service node, and the zero-trust engine filters a service at a network protection boundary, extracts service context information and generates a service access data object; the zero-trust execution agent is in signal connection with the zero-trust engine and the micro-service node, the zero-trust execution agent transmits service awareness data to the zero-trust engine and receives a strategy issued by the zero-trust engine, and the zero-trust execution agent executes the strategy; and the zero-trust execution agent publishes the service basic data to a service bus. According to the method, verification logic and a resource system are isolated in a micro-service business flow perception and strategy association mode, and only micro-services in a permission range are allowed to perform data exchange. An authorization strategy model is established by utilizing multi-attribute characteristics such as micro-service types, service characteristics and network characteristics, so that fine-grained authority management is realized.
Owner:STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +1

Intelligent isolation system and method for office network and server network based on intelligent agent

The invention discloses an intelligent agent-based office network and server network intelligent isolation system and method, a storage medium and computer equipment, and the method comprises the steps that a business process analyzer determines a core business application and a data flow according to an enterprise business process, and determines business demand information according to the core business application and the data flow; the security policy engine configures a basic isolation rule of the intelligent isolation gateway according to the service demand information and the initial security policy; each sensing agent monitors network flow data and system behavior data of a deployment position; the analysis agent analyzes the network flow data and the system behavior data to generate a first risk identification result; the security policy engine receives the first risk identification result and generates a dynamic security policy according to the first risk identification result; the execution agent adjusts isolation parameters of the intelligent isolation gateway based on the dynamic security policy; and the intelligent isolation gateway isolates and controls communication data between the office network and the server network based on the basic isolation rule and the adjusted isolation parameters.
Owner:SHENZHEN QIANHAI HUANRONG LIANYI INFORMATION TECHNOLOGY SERVICES CO LTD

Construction method of vibration reduction and isolation system for relieving influence of industrial vibration on surrounding buildings

The invention discloses a construction method of a vibration reduction and isolation system for relieving the influence of industrial vibration on surrounding buildings. The construction method comprises the following steps that firstly, an industrial vibration source and the surrounding buildings are determined; 2, designing a vibration isolation trench; 3, excavating a vibration isolation trench; 4, loose soil bodies are removed, and soil residues are cleaned; 5, heating the modified asphalt, and heating and stirring the modified asphalt and the added hemp knife; sixthly, the improved asphalt hemp mixture is poured into the vibration isolation trench to be filled layer by layer; 7, naturally cooling and curing the mixture; and 8, sealing the vibration isolation trench by adopting a rubber cover plate. The vibration isolation ditch for pouring the improved asphalt hemp mixture is arranged between the industrial vibration source and the building, the propagation path of vibration waves generated by the industrial vibration source is changed, the energy of the vibration waves is consumed, the vibration reduction and isolation energy consumption efficiency of the vibration reduction and isolation system is greatly improved, vibration disasters of industrial vibration to surrounding houses are effectively relieved, and the service life of the vibration reduction and isolation system is prolonged. And meanwhile, industrial production is not affected, and the method has creative engineering significance and has the practical value of simple construction process and low cost.
Owner:SHAANXI ACAD OF ARCHITECTONICS +1

Vacuum pressure type recharge device for pumping and recharging underground water in deep foundation pit in balanced manner

The invention relates to the technical field of underground water recharging, and particularly discloses a deep foundation pit underground water pumping and recharging balanced vacuum pressure type recharging device which comprises a basic hardware system, a sealing isolation system, a dynamic regulation and control system and a monitoring feedback system. The sealing isolation system comprises a vacuum well lid; according to the pipeline sealing assembly, a hydraulic drive sealing ring is arranged at the joint of a dewatering well water outlet pipe and a recharge well water inlet pipe, the sealing ring automatically expands to fill gaps during water injection, and air permeation is thoroughly isolated; through triple air isolation formed by water pumping pipe head immersion, vacuum well lid sealing and hydraulic sealing rings, contact between underground water and air is reduced to the maximum extent, oxidation reaction is reduced from the source, and the precipitation amount of iron and manganese oxides is reduced by 60% or above; meanwhile, bubbles and sediments can be effectively removed, more than 90% of bubbles and sediments can be actively removed through a periodic back raising and silt pumping mechanism, the anti-blocking performance of the recharge well is remarkably improved, and therefore the service life of the recharge well is prolonged.
Owner:徐运达

Active vibration isolation method and system based on prediction and adaptive control

The invention belongs to the technical field of active vibration isolation, and particularly discloses an active vibration isolation method and system based on prediction and adaptive control. Comprising the following steps: carrying out multi-degree-of-freedom dynamic modeling on a vibration isolation system, taking the pose of a load as system output, taking the control quantity of an execution mechanism as system input, and uniformly expressing unknown dynamics caused by structural nonlinearity and disturbance as a nonlinear term; constructing an adaptive neural network state observer based on the kinetic model, and estimating a state which cannot be directly measured; the method comprises the following steps: acquiring historical operation data of a vibration isolation system, preprocessing the data, constructing an input time sequence and an output time sequence, and training a long-short-term memory neural network prediction model to generate a prediction signal representing future position information; and designing an adaptive control law according to the state estimation result and the prediction signal, obtaining a feedback control quantity, and superposing the feedback control quantity with a feedforward control quantity obtained based on the prediction signal to form a control instruction for driving an execution mechanism.
Owner:SHANDONG UNIV +1

Marine fuel double-wall pipe isolation system

The invention relates to a ship fuel double-wall pipe isolation system, and relates to the technical field of isolation systems, the ship fuel double-wall pipe isolation system comprises a transportation main pipe, one side of the transportation main pipe is connected with a detection pipe, and the two ends of the detection pipe are correspondingly communicated with the transportation main pipe; a control valve body is arranged at the position, located between the two ends of the detection pipe, of the conveying main pipe, a detection assembly for detecting the interior of the detection pipe is arranged on the detection pipe, and a pipeline sealing assembly is arranged on the conveying main pipe. The system has the effects of monitoring the fuel in real time and finding leakage in time in the fuel transportation process.
Owner:GUANGZHOU SHIPYARD INTERNATIONAL LTD

Motion isolation system

A motion isolation system for equipment includes a support structure, a motion platform enabling free movement along a plurality of axes, and a vibration isolation subsystem with a support plate. A biasing mechanism counterbalances at least some of the weight of the motion platform and the vibration isolation subsystem in an upward direction. The surface of the support plate is parallel to the surface of the support structure.
Owner:CALIENT AI INC