67results about How to "Achieve reliability" patented technology

The invention provides a firmware online upgrading method, embedded equipment, a medium and a product, and relates to the technical field of intelligent terminals. The method comprises the following steps: after the embedded equipment is powered on, running a primary bootstrap program, and checking a first mark state: if the state is a state of updating a secondary bootstrap program, executing online updating of the program and resetting a system; and if the state is the default state, loading and running the secondary bootstrap program. Checking a second mark state; if the second mark state is an updating mirror image state, executing firmware mirror image online updating and resetting; and if the state is the default state, determining a target mirror image, copying the target mirror image from the nonvolatile memory to the random access memory, and skipping to run. And the equipment simultaneously monitors the running state of the target mirror image in real time, and executes successful confirmation or abnormal recovery operation according to the state. In this way, quick response of faults is achieved through running state feedback, the stability and reliability of firmware upgrading of the embedded device are effectively improved, and the risk of device paralysis in the upgrading process is reduced.

The invention relates to the technical field of artificial intelligence, can be applied to business scenes such as financial science and technology and medical health, and discloses a memory analysis question and answer data construction method and device, equipment and a medium. The method comprises the steps of extracting a fact information set containing entities, relationships and values based on structured message representation, generating candidate question and answer pairs by utilizing a language model, executing multi-source verification to form a target question and answer set, performing semantic extension and question method transformation to generate a diversified question and answer set, and completing credibility screening based on a verification result to obtain a memory analysis question and answer set. And generating a memory analysis data set in combination with the user message sequence. According to the method, through multi-stage extraction, generation, verification and screening, reliability and diversity unification of question and answer content are achieved, the constructed memory analysis data set has the advantages of being consistent in context, accurate in fact, rich in expression and the like, and therefore the credibility of memory ability evaluation of the large language model is improved.

This invention relates to a decoupled drag-increasing derailment device. It includes a drag-increasing cylinder, a sleeve-type extension rod, side drag-increasing films, upper and lower planar deployment devices, and a drag-increasing launch assembly. The sleeve-type extension rod includes a central limiting rod, multiple sleeves sequentially sleeved around the limiting rod, and multiple sleeves that expand pneumatically under the action of a gas-generating propellant. The upper end of the sleeve-type extension rod is connected to the upper planar deployment device, and the lower end of the sleeve-type extension rod is connected to the lower planar deployment device. The side drag-increasing films consist of four rectangular films that expand into an X-shape, with a notch on the outer side of each rectangular film. Both the upper and lower planar deployment devices include a planar film that expands into a square shape, composed of four triangular films, with the expanded side drag-increasing films also forming an X-shape. This invention addresses the coupling problem during the expansion of the upper and lower planar deployment devices by setting notches and optimizing the configuration of the side drag-increasing films, thereby improving the reliability of the drag-increasing derailment device.

This disclosure provides an ammonia injection method and apparatus based on a denitrification system. The method includes: acquiring current boiler parameters of a coal-fired boiler; collecting nitrogen oxide (NOx) parameters at the denitrification inlet of the denitrification system as a first NOx parameter; collecting NOx parameters at the denitrification outlet of the denitrification system as a second NOx parameter; collecting NOx parameters at the total exhaust outlet of the denitrification system as a third NOx parameter; preprocessing the current boiler parameters, the first NOx parameter, the second NOx parameter, and the third NOx parameter respectively; determining the current required ammonia quantity for the denitrification system based on at least one of the preprocessed current boiler parameters, the first NOx parameter, the second NOx parameter, and the third NOx parameter; and injecting ammonia into the denitrification system according to the current required ammonia quantity. This method ensures that the calculated ammonia injection quantity is significantly more accurate.

A waterway system of a fish tank comprises a fish tank body, a water inlet waterway, a water drainage waterway and a middle waterway, the water inlet waterway comprises a water inlet valve used for opening or closing the water inlet waterway, and the water drainage waterway comprises a water drainage valve used for opening or closing the water drainage waterway; when the water inlet valve is opened, the water inlet waterway is communicated with the fish tank body through the middle waterway, and when the water drainage valve is opened, the water drainage waterway is communicated with the fish tank body through the middle waterway. According to the waterway system of the fish tank, the water inlet waterway, the water drainage waterway and the middle waterway are arranged, the water inlet waterway comprises the water inlet valve, the water drainage waterway comprises the water drainage valve, when the water inlet valve is opened, the water inlet waterway is communicated with the fish tank body through the middle waterway, and when the water drainage valve is opened, the water drainage waterway is communicated with the fish tank body through the middle waterway. The water inlet waterway and the water outlet waterway share one middle waterway, redundant pipelines can be reduced, space layout is optimized, occupied space of the waterways is further reduced, and the waterways do not need large installation space.

The application provides a fraud identification method and system based on voice data, and belongs to the technical field of voice processing, and specifically comprises the following steps: performing fraud identification processing on voice communication by using an identification processing strategy, performing update processing on the sound characteristics of fraudulent calls by using an identification processing result, determining an optimized monitoring target in a monitoring target based on the identification processing data of the voice communication, and combining the coincidence of the associated monitoring target and the associated monitoring target of different monitoring targets in the monitoring target, determining the optimized monitoring target based on the update result of the optimized monitoring target, and combining the update processing result of the sound characteristics of the fraudulent calls to determine the fraud identification method of the voice communication of the optimized monitoring target, thereby improving the accuracy of the identification processing of the fraudulent calls.

The utility model discloses an emergency defoaming device for a nuclear power plant. The emergency defoaming device comprises an execution system, a control system and a power supply system, according to the emergency defoaming device for the nuclear power plant, the main flow pipeline, the branch flow pipeline and the spraying assembly are arranged, so that one solvent tank can be used for filling a plurality of defoaming pools at the same time. Meanwhile, the video monitoring module is utilized, the flow and concentration of defoaming spraying can be automatically adjusted according to the foam amount collected by the video monitoring module, high efficiency is achieved, the operation cost is reduced, the function of intelligent decision control can be achieved through the arrangement of the data processing module, and the purpose of unmanned defoaming is achieved. And a remote control module and a wireless transmission module are also arranged, so that the functions of real-time monitoring and remote operation are realized, and the cost and risk of manual intervention are reduced. In addition, a generator, a photovoltaic panel and an energy storage device are further arranged, traditional mains supply is combined with new energy power supply of wind energy and solar energy, and redundancy and reliability of power supply are achieved.

The embodiment of the invention provides a cross-forward isolation data comparison system, method and device, a medium and a product, and relates to the field of data synchronization and verification. The system comprises a first agent which is deployed in an intranet and accesses a source end database through a database connection protocol; the second agent is deployed in an external network and establishes one-way communication connection with the first agent; the first agent is also used for transmitting the source end data of the source end database to the second agent through the forward isolation device through the one-way communication connection; and the comparison service is deployed in an external network, pulls the source end data from the interface of the second agent, and performs comparison operation on the source end data and the target end data. According to the method provided by the invention, the technical problem of data comparison in a cross-forward isolation scene is solved through the design of a double-agent architecture and a user-defined protocol, the security and reliability of data comparison are realized, and efficient and secure data comparison in a strict network isolation environment is realized.

The utility model discloses a bidirectional sealing super wear-resistant ball valve which comprises a valve body, a first connecting pipe and a second connecting pipe are arranged in the middles of the two sides of the valve body respectively, and a lower positioning frame and an upper positioning frame are arranged in the middles of the lower end and the upper end of the valve body respectively. Meanwhile, the lower positioning frame and the upper positioning frame are connected with the valve seat and the valve cover correspondingly through a first positioning bolt and a second positioning bolt correspondingly, a ball is arranged in the middle of the interior of the valve body, a circulation opening is formed in the middle of the ball, and a lower sealing piece and an upper sealing piece are arranged at the lower end and the lower end of the ball correspondingly; a first protection cylinder and a second protection cylinder are arranged on the two sides of the ball respectively. According to the two-way sealing super-wear-resistant ball valve, the lower sealing piece and the upper sealing piece are made of the composite materials and the elastic rubber, so that the lower sealing piece and the upper sealing piece can be better tightly attached to the ball body under normal pressure in the using process, and meanwhile when the pressure changes, the elastic rubber can conduct self-adaptive compensation; therefore, the reliability of bidirectional sealing during use is ensured, and leakage is effectively prevented.

This invention relates to a dynamic power load interval prediction method and system based on long and short time windows, belonging to the field of power load interval prediction. The method includes: acquiring a historical load dataset and dividing it into a training set and a calibration set; inputting the calibration set into a pre-trained MoE model to output load prediction values, determining the upper and lower bounds of the load interval, and calculating the prediction boundary residual sequence; constructing long and short time windows and setting long and short forgetting factors, and calculating long and short boundary weights; obtaining long and short critical prediction boundary residuals based on the target fault tolerance rate and long and short boundary weights; extracting long and short prediction boundary residuals based on the index of the long and short critical prediction boundary residuals, and calculating the global safety margin; obtaining the power load interval based on the global safety margin and the upper and lower bounds of the load interval. This invention can capture the real fluctuation pattern of load data, adaptively adjust the width of the prediction interval, and realize dynamic load interval prediction.

This invention relates to the field of road-bridge transition section health monitoring and intelligent transportation technology, specifically to a method for inferring the location of slab breakage in road-bridge transition sections based on vehicle acceleration. The method involves: collecting vibration signals from vehicles passing through the road-bridge transition section using an onboard acceleration sensor; denoising, noise reduction, and normalization of the collected data; extracting the actual acceleration collected by the sensor using wavelet transform and fast Fourier transform; constructing a physical-mechanical model of the road-bridge transition section and a vehicle-road coupled mechanical model to determine the slab breakage status; calibrating the slab breakage status using a Bayesian probability model, constructing a likelihood function and prior distribution; inferring the posterior distribution based on the likelihood function and prior distribution; and calculating the posterior distribution using the MCMC method. This invention infers the location of slab breakage in road-bridge transition sections using vehicle vibration data and Bayesian methods, enabling precise quantification and uncertainty assessment of road defects.

This utility model discloses a hydraulic control system for a transmission, comprising a working oil pump, a lubricating oil pump, and electro-hydraulic proportional directional valves SA, SC, S2, SF, SD, and SE arranged in parallel. This utility model employs a structure where each gear clutch is individually controlled by a proportional valve. Through precise hydraulic actuation and electronic coordination, it achieves breakthroughs in efficiency, smoothness, and reliability of multi-gear transmissions. Its core advantage lies in its modular design to address complex operating conditions, making it particularly suitable for optimizing high-performance, multi-functional engineering vehicle transmission systems.

The utility model belongs to the technical field of assembly type building application, specifically disclose two -way dense rib cavity floor module, including bottom plate, a group of outer support boss, a group of inner support boss, hollow transition box and cover plate, a group of outer support boss symmetry sets up in the bottom plate both ends end face, a group of inner support boss symmetry sets up in the bottom plate one side, and is located between a group of outer support boss, one side of hollow transition box is respectively with a group of outer support boss, a group of inner support boss surface abut, one side of cover plate and the other side of hollow transition box abut. The utility model has the advantages of: the whole is divided into three casting forming parts, and the reasonable structure is formed, which is convenient for on-site construction, improves construction efficiency and reduces construction cost; the matched positioning convex, the limiting recess, realize the stability of the fixed connection between the bottom plate and the hollow transition box during pouring construction; the overall weight is low, simple and beautiful, realizes the requirement of energy saving, environmental protection and heat insulation and noise reduction.

The utility model relates to connector assembly technical field provides a CPCI connector crimping tool, include: base and crimping block, base is used for placing the circuit board of waiting with backplane connector crimping, and the area corresponding with backplane connector on base is equipped with a plurality of guide holes, along the thickness direction of base, a plurality of guide holes are penetrated in base, a plurality of guide holes and the pin hole on the circuit board are set up one to one, and the guide hole is used for the pin of backplane connector first side to wear and set, crimping block has a plurality of side to side settings accommodating groove to backplane connector, and the accommodating groove is used for accommodating the pin of backplane connector second side, to under the action of crimping block to backplane connector's crimping force, backplane connector and circuit board are crimped. The utility model provides CPCI connector crimping tool, makes the pin of backplane connector both sides in crimping process can be protected, avoided the deformation of pin, realized CPCI connector and the reliability in the crimping of circuit board.

The application discloses a bypass discharge device pressing method, which comprises the following steps: assembling a steam inlet flange, a first-stage cylinder and a first-stage pressing blanking plate, selecting a pressure test pressure according to a first-stage bypass discharge design pressure, processing a reserved first-stage cylinder length to a first-stage cylinder design size after completing the pressure test, assembling the first-stage cylinder with a first-stage cone and a first-stage blanking plate, and completing the pressing and manufacturing of the first-stage bypass discharge; assembling the first-stage bypass discharge with a second-stage end plate, a second-stage cylinder and a second-stage pressing blanking plate, selecting a pressure test pressure according to a second-stage bypass discharge design pressure, processing a reserved second-stage cylinder length to a second-stage cylinder design size after completing the pressure test, assembling the second-stage cylinder with a second-stage cone and a second-stage blanking plate, and completing the pressing and manufacturing of the second-stage bypass discharge; and pressing and assembling the bypass discharge device step by step according to the pressing and manufacturing method of the second-stage bypass discharge to the last stage. The application realizes the lightweight and reliability design and manufacturing of the bypass discharge device.

The invention discloses a segmented polycrystalline silicon deep groove silicon carbide MOSFET, and belongs to the technical field of semiconductor power devices. According to the device, a P + polycrystalline silicon section connected with a source electrode, a lightly doped Npolycrystalline silicon section and an N + polycrystalline silicon section connected with a grid electrode are sequentially arranged in a deep groove in the depth direction, and the P + polycrystalline silicon section, the lightly doped Npolycrystalline silicon section and the N + polycrystalline silicon section jointly form a polycrystalline silicon diode structure similar to a PIN. The P + polycrystalline silicon section at the bottom of the groove is used for shielding an electric field, the gate-drain coupling capacitance (Cgd) is effectively reduced, and the switching characteristic of the device is improved; meanwhile, by utilizing the characteristic that the reverse leakage current of the PIN structure is obviously increased under the short-circuit temperature rise, the self-adaptive reduction of the gate-source voltage (Vgs) is realized through gate loop resistance voltage division, so that the short-circuit current is inhibited. While voltage resistance and conduction performance of the device are ensured, short-circuit endurance capability and safe turn-off reliability of the device are remarkably improved.

This utility model relates to the technical field of biogas engineering equipment, specifically a liftable biogas digester homogenizing and stirring device, which solves the problems mentioned in the background art. It includes a hydraulic cylinder, the output end of which is connected to a motor housing, which houses a motor. The output end of the motor is connected to a stirring shaft, and stirring blades are mounted on the end of the stirring shaft away from the motor. The hydraulic cylinder is installed inside a hydraulic cylinder housing, with crossbars connected to both sides of the housing. A side slide rail is connected to the end of each crossbar away from the housing, and a hanging rod is fixedly connected to the middle of the crossbars. A top slide rail is connected to the end of the hanging rod away from the crossbars, and a pull rope is provided in the middle of the hanging rod. This utility model uses a hydraulic cylinder to drive a liftable stirring structure, combined with three-bladed propeller blades (with anti-winding serrations and guide ribs) to improve stirring efficiency and prevent clogging.

The invention discloses a time-space sequence modularization supergravity test method for simulating a nuclide ten-thousand-year migration process in a geological barrier and application of the time-space sequence modularization supergravity test method. A kilometer-level geological barrier is spatially dispersed into representative space-time sequence geological modules such as a deep part-near part, a middle part, a shallow part-far part and the like along a nuclide migration path so as to realize reconstruction of a ten-thousand-year full-cycle migration process. A differentiated entity fracture model is constructed through 3D printing for different modules, and differentiated stress and hydraulic boundary conditions matched with the geological depth are applied under a high gravity field. The test adopts stable replacement nuclide, and through a concentration correction method based on transmission lag and a radioactive decay law, outlet concentration data of an upper-level module is converted into an inlet concentration boundary of a lower-level module, so that continuous tests of different space-time sequence geological modules are realized. And finally, restoring a time scale and splicing data by using a supergravity physical simulation similarity law, and reconstructing a full-path concentration penetration curve of the nuclide under a ten-thousand-year scale.

The invention relates to the field of agricultural credit approval, and discloses an agricultural production process data generation method, which comprises the steps of receiving credit application data of a target farmer through a farmer terminal; querying a user file according to the peasant household attribute information to obtain a peasant household integrity score, a planting type, an Internet of Things crop monitoring equipment identifier and a key evidence chain storage file; if the integrity score does not meet the preset condition, verifying the authenticity of the asset ownership proof file through the key evidence chain storage file; after the authenticity verification is passed, acquiring corresponding agricultural production process data according to the planting type, forming agricultural production process display data, pushing the agricultural production process display data to an intelligent terminal for visual presentation, initiating interactive inquiry, and acquiring supplementary description information of the farmer; and receiving the supplementary description information and carrying out associative storage on the supplementary description information and agricultural production process data to generate an agricultural production process data evidence material. Therefore, the authenticity, the integrity and the verifiability of the data are improved.

The present application relates to a kind of whole winding forming wind force rotary drum structure and its preparation method, including mould, comprising: intermediate transition structure;Cap type structure, including cap type longitudinal reinforcement and cap type ring reinforcement;Adjustable precision tooling, including: concentric shaft one and concentric shaft two, concentric shaft one and concentric shaft two are connected by flange and intermediate transition structure centering;Two support structures are respectively detachably set on concentric shaft one and concentric shaft two;Multiple sets of adjusting structure are respectively set on concentric shaft one and concentric shaft two, for the adjustment roundness of cap type ring reinforcement;Wherein, cap type ring reinforcement is set on the outside of adjusting structure, cap type longitudinal reinforcement is set on the outside of cap type ring reinforcement, support structure and intermediate transition structure.The present application utilizes cap type structure and intermediate transition structure to form a set of preparation mould, realizes the whole winding preparation of outer cylinder, saves cost, improves preparation efficiency, and improves the mechanical properties of overall structure.

The invention provides a design method for reducing the whole life cycle cost of electronic hardware equipment, which relates to the field of electronic equipment management and comprises the following steps: S1, importing a component list of an initial design scheme; s2, determining an alternative replacement component for each component in the list, and forming a component alternative replacement mapping table; s3, constructing an alternative design scheme set based on the mapping table; s4, reliability evaluation is carried out on each alternative design scheme in the scheme set, and the severity level fault rate and the total product fault rate of each scheme are obtained; s5, calculating the whole life cycle cost of each scheme based on a reliability evaluation result; and S6, comparing the whole life cycle cost of all the alternative design schemes, and selecting the scheme with the optimal cost as the final design scheme. According to the method, the product life cycle cost formed by the manufacturing cost, the maintenance cost and the fault influence cost is reduced in the design stage of the electronic equipment, and comprehensive optimization of the economical efficiency and the reliability of the electronic equipment is achieved.

This application relates to the field of industrial automation control, and more particularly to a method and system for calculating unit operating time in a DCS system. The DCS system includes a logic operation module located on the DCS controller side. The method includes: acquiring status parameters of at least one set of equipment in the unit through the logic operation module; determining whether the unit is currently in an effective operating state based on the status parameters and preset operating conditions; wherein, if the unit is determined to be in an effective operating state, a timer is started or maintained to accumulate time, obtaining the accumulated time value for this effective operation; if the unit is determined to have left the effective operating state or reached a preset accumulation period, the accumulated time value is sent to a total accumulated operating time storage unit through the logic operation module, and the timer is reset. This application provides accurate and reliable data for equipment status assessment and lifespan prediction.

The application discloses a kind of wideband near field communication codebook design methods for linear topology scene, comprising: constructing the space geometry model for describing relative position relationship, by the angle domain time delay parameter solved out to multi-channel time delay network, angle domain control code word that establishes the initial splitting morphology of beam cluster is generated;Based on space geometry model and angle domain control code word, generate the distance-angle joint control code word that beam focal point is attracted and locked to the preset linear track;In the linear service interval of target coverage, a series of discrete sampling points are determined, for each sampling point, generate the special joint control code word matched with sampling point space position, finally based on special joint control code word constructs complete wideband near field communication codebook.The application can solve the beam focusing misalignment caused by near field spherical wave and wideband beam splitting effect together, and the transmission delay problem caused by the beam management complexity is too high.

The invention discloses an indoor and outdoor integrated inspection method based on an omni-directional mobile aerial robot. The method comprises the following steps: controlling the omni-directional mobile aerial robot to fly to a predetermined entrance of a target building along a preset outdoor navigation path; acquiring a predetermined entrance image and laser radar point cloud data, and determining a six-degree-of-freedom motion track passing through the entrance; generating a six-degree-of-freedom motion control instruction for obstacle avoidance control according to the real-time scanning data of the laser radar and the displacement track of the image feature point; determining attitude adjustment parameters of the aerial robot according to a matching result of the two-dimensional feature point set, the equipment three-dimensional structure feature library and the laser radar point cloud subset; and controlling the omni-directional mobile aerial robot to return to the outdoor starting point according to the task execution sequence, the path pose information and the return initial pose data, and uploading inspection data. According to the invention, high autonomy and comprehensive reliability of the inspection process are realized in a complex building environment, and the overall performance and the application range of the unmanned building inspection system are significantly improved.

The utility model relates to the technical field of electroplating, and discloses electroplating equipment and a conveying mechanism thereof. The conveying mechanism comprises a shell, a first material opening, a conveying channel and a second material opening which are sequentially communicated are formed in the shell, and the second material opening is adjacent to and communicated with an electroplating bath of the electroplating equipment; the conveying device is installed in the conveying channel and used for conveying the materials from the first material opening to the second material opening, a water retaining assembly is arranged between the conveying device and the second material opening, and a passing gap allowing the materials to pass through is defined in the water retaining assembly; the suction knife assembly comprises a pump body, a liquid suction pipeline and a suction knife body, the suction knife body is installed between the conveying device and the second material opening and is adjacent to the water retaining assembly, and a water suction opening of the suction knife body is communicated with the passing gap. According to the utility model, by introducing the suction knife assembly and the design of dynamic communication between the suction knife assembly and the passing gap, the defects of the existing electroplating equipment conveying mechanism in the aspects of overflow liquid recovery, material pollution control, maintenance cost and the like are overcome.

This invention relates to a method, apparatus, equipment, and medium for predicting deformation during the assembly of diesel engine connecting rods, belonging to the field of mechanical assembly technology. The method acquires multi-dimensional assembly data during the assembly process of marine diesel engine connecting rods. Based on assembly process knowledge, the multi-dimensional assembly data is weighted to obtain a weighted input vector set. A pre-trained Bayesian network model is used to infer the deformation prediction probability distribution from the weighted input vector set. Statistical analysis is performed on the deformation prediction probability distribution to obtain deformation trend characteristics and distribution dispersion characteristics. Key deformation risk factors are identified based on these characteristics. A diesel engine connecting rod assembly deformation prediction report is generated based on the deformation prediction probability distribution, deformation trend characteristics, distribution dispersion characteristics, and key deformation risk factors. This invention improves the assembly quality and product reliability of marine diesel engine connecting rods.

The utility model relates to a kind of pressure relief valve, including shell, valve stem, inner support plate, outer support plate and adjusting nut, the cavity is equipped in the shell, the valve stem is movably installed in the cavity, one end of the valve stem is equipped with the inner support plate, the other end is equipped with the outer support plate and the adjusting nut, the compression spring is sleeved on the valve stem, one end of the compression spring is in abutment with the inner support plate, the other end is in abutment with the outer support plate.In use process, when system pressure exceeds set value, valve stem can automatically move, by adjusting the position of adjusting nut on valve stem, the pre-tightening force of compression spring is adjusted, to adjust the opening pressure of pressure relief valve, reach the purpose of pressure relief, since the variable range of compression spring is big, therefore, realize the pressure relief pressure range of increasing pressure relief valve, enhance the adaptive capacity of pressure relief valve under different working conditions, improve the scope of application.

The invention discloses a robot system for garbage transportation and throwing, and belongs to the technical field of intelligent load robots, the robot system comprises a robot main body, and the robot main body comprises a robot bottom plate; a pair of large clamping arms is fixedly connected to the robot bottom plate, each large clamping arm is provided with a small clamping arm, each large clamping arm is provided with a first driving mechanism and a second driving mechanism, the first driving mechanisms are used for driving the small clamping arms to move in the horizontal direction, and the second driving mechanisms are used for driving the small clamping arms to move in the horizontal direction. The second driving mechanism is used for driving the small clamping arm and the clamped garbage can to do lifting motion, and a lifting part used for abutting against and supporting the lower surface of the garbage can frame is arranged at the end of the small clamping arm; a stair transfer mechanism is arranged on the robot main body, and the stair transfer mechanism is configured to be operably jointed with a guide rail laid along the stair when the robot main body advances to the stair, so that the robot main body moves up and down on the stair. According to the invention, the labor intensity of operators can be reduced.

The application discloses a reef limestone underground chamber damping system and belongs to the field of damping devices. The reef limestone underground chamber damping system comprises an elastic bearing assembly, micro-grouting hole pipelines, composite variable resistors and pressure sensors. The elastic bearing assembly comprises basalt micro-tendon and stainless steel energy dissipation nodes. A plurality of basalt micro-tendons form a constraint network along the circumference and axis of the chamber on the inner wall of the chamber. The stainless steel energy dissipation nodes are arranged at the intersection connection between the basalt micro-tendons. A plurality of micro-grouting hole pipelines are arranged in the constraint network along the axis of the chamber. The pressure sensors are embedded in the rock above the chamber. A plurality of composite variable resistors are arranged at the arch foot of the chamber. The three-stage collaborative mechanism of "basalt micro-tendon constraint-SMA-MRF collaborative energy dissipation-SMA heating phase change recovery and micro-grouting" solves the adaptability bottleneck of traditional anti-seismic technology in reef limestone underground space, and improves the anti-seismic performance and long-term service reliability.

This invention relates to the fields of radio frequency detection and aircraft skin technology, and discloses a conformal skin radar structure based on a radio frequency microsystem. It includes several planar arrays based on the radio frequency microsystem, assembled according to the curvature requirements of aircraft skin to form irregularly shaped arrays. A conformal skin is attached to the surface of each irregularly shaped array, including an outer electromagnetic wave-transmitting protective skin. A filling portion is provided on the side of the protective skin that is in contact with the irregularly shaped array, and the filling portion is inserted into the splicing seam between adjacent planar arrays. This invention utilizes the integrated design of the irregularly shaped outer electromagnetic wave-transmitting protective skin and the irregularly shaped array based on the radio frequency microsystem. While ensuring electrical performance, it achieves conformal design with the aircraft skin, expanding the installation location of radar equipment on aircraft platforms. Furthermore, the structure is simple and compact, lightweight, easy to manufacture, and inexpensive. Moreover, the filling portion ensures the installation stability of the conformal skin and the irregularly shaped array while improving the electromagnetic performance of the combined irregularly shaped array.