36results about How to "Precise Protection" patented technology

The invention provides a tumbling risk assessment, a monitoring system and an assessment method on the basis of three nine-shaft motion sensors. According to the tumbling risk assessment, the monitoring system and the assessment method, the tumbling state detecting, the tumbling risk detecting and tumbling protecting device control are achieved. The monitoring system comprises an information collecting module, a wireless communication module and a date analyzing module. The three nine-shaft motion sensors are mainly used, two of the nine-shaft motion sensors are placed in two shoes, and another is placed on the wrest; original data of the accelerated speed, the angular speed and the angle are obtained through the three sensors, a Bluetooth module is used for transmitting a data signal, and the signal is transmitted to a data analyzing terminal. The tumbling state is detected by analysis on various data signals through the motion sensors, and the tumbling risk is assessed and fed back to a tester by the combination with the standard of a Tinetti assessing table. The invention further discloses a gait assessment method, according to the method, through various signal types such as the accelerated speed, the angular speed and the angle, modeling is conducted on human bodies, gait characteristics are extracted, and assessment is conducted with Tinetti.

The invention discloses a carrier aircraft intelligent navigation potential energy transfer controllable arresting soft carrier-landing system which comprises an area special for carrier aircraft deck landing, a guide-in slope ascending platform, an arresting vehicle platform, a carrier aircraft novel tail hook assembly, an arresting main rope automatic lifting device, a platform-vehicle automatic separator, an arresting vehicle platform positioning groove and balance protection cover, a controllable unloading device of an arresting vehicle, an automatic arresting insurance auxiliary rope lifting device, arresting vehicle running rails, an intelligent navigation control device and an arresting vehicle offside buffering stopper. Landing is realized under intelligent navigation; slow and accurate carrier-landing is realized by gliding; automatic deviation correcting is performed for slope ascending after carrier-landing; automatic rope lifting is brought after a front wheel enters the groove and is positioned; the platform and the vehicle can be automatically separated instantly after rear wheels board; automatic insurance auxiliary rope lifting is realized in the separation process; automatic informing and potential energy transfer are realized after arresting rope lifting; uniform time-delay controllable brake unloading is realized when a carrier aircraft and the arresting vehicle run; returning to place is realized after the carrier aircraft and the arresting vehicle are unloaded; the carrier aircraft is moved and positioned by a special traction vehicle after slope descending of the carrier aircraft.

The invention provides a connecting device suitable for an extra-cabin handle of a spacecraft. The connecting device comprises a handle B, a guide driving pin B, an anti-looseness device, a clamping ring, a cover plate, a shell B, a handle safety catch, a handle pressing block, a spring pre-tightening block, pre-tightening springs, a spring plug, a handle safety catch driving spring, a lead screw B, a handle safety catch release locking rod, a handle safety catch release locking rod connecting block, handle safety catch release locking rod triggering rods, small springs, an anti-looseness device shell, an anti-looseness spring, an anti-looseness ball and a lead screw B check ring, and a peripheral device is the extra-cabin handle. Guided installation, reliable fixation, accurate pointing and overload protection of the extra-cabin handle and the connecting device are achieved, and therefore positions are provided for installing exposed load devices or other spaceflight devices on the extra-cabin handle.

The present invention discloses a photovoltaic power station direct current boosting collection access system and a control and protection method thereof. The system comprises a generation unit and acollection transmission unit, the generation unit formed by a photovoltaic array module and a DC / DC converter outputs a direct current, the direct current is subjected to direct current boosting through a boosting converter, is collected in a combiner box for uniform output and is converted to an alternating current through an inversion converter to be merged into a large power grid. The system fully employs the controllability of the DC / DC converter, the inversion converter and the boosting converter and the reliability of the protection device to avoid the problems in an alternating currentmode so as to improve the safe and stable operation capacity of the photovoltaic power station direct current boosting collection access system. The control and protection method performs control andprotection segmentation and control and protection layering processing of the system to perform accurate control and protection of the system through coordination between the system control and protection subareas and the system control and protection layers so as to achieve safe, stable and reliable operation when the photovoltaic power station accesses the large power grid in the direct currentboosting collection mode.

The invention discloses a press machine intelligent overload protection device and a control method. The press machine intelligent overload protection device is mainly composed of a detecting part, amechanical executing part, a control part and a feedback part. When a press machine is overloaded, a force sensor transmits a signal to a system controller of the whole machine, the controller enablesthe press machine to stop working and enables a coil winding to be powered off, constraint of magnetorheological fluid from a magnetic field is removed, and the fluidity of the magnetorheological fluid is improved; under the pressure of a spherical support, the magnetorheological fluid passes through a throttling hole and a designed gap to enter an upper cavity, the spherical support and a connecting rod linkage ball fall, and the damage to the press machine due to overloaded blocking run is avoided; and after a crank sliding block mechanism breaks away from a dead area and exits out of the overloaded state, when a stroke switch detects that the spherical support recovers to an original height under the effects of a spring and the self-weight, the coil winding is powered on, a press machine sliding block is adjusted to an upper dead point, the press machine recovers to a normal state, and thus overloaded protection to the press machine is achieved.

The invention relates to an automatic security protection method based on the association of a camouflage agent and a dynamic technology, and the method specifically comprises the steps: 1, setting the camouflage agent: constructing a new Web service on the basis of an original Web server, and enabling the new Web service to contain a plurality of security holes, thereby inducing an attacker to enter the new Web service; 2, setting a flow analysis system, importing the flow in the disguise agent into a flow analysis system; 3, obtaining fingerprint information according to a flow analysis system, 4, setting a dynamic protection system, and storing the hacker portrait into the dynamic protection system; and 5, generating a user portrait when the user accesses the Web service, matching the user portrait with the hacker portrait in the dynamic protection system, and blocking an attacker in real time if the user portrait is successfully matched with the hacker portrait in the dynamic protection system. According to the invention, blocking is carried out based on the unique hacker portrait, and even if an attacker continuously changes the IP, the attacker can be identified for blocking,so that an accurate and real-time protection effect is achieved.

The invention discloses an inter-android application attack-based automatic patching system and method. The method comprises a configuration initialization step, a path extraction step, a key point locating step and an inter-application attack patching step. According to the automatic patching system and method, the system runs in an application layer, upper-layer semanteme can be captured very accurately to identify a malicious behavior, and automatic patching is performed for the behavior; two-way control is used, relatively rich attack types can be identified, and relatively good analytic protection capability is achieved; a mode of combining static analysis with dynamic protection is adopted, so that the deficiency of a conventional method for the malicious behavior in an application is overcome; and a protective method for inter-application malicious attack is provided, so that a protective effect is comprehensive and effective.

The invention relates to a single-surface galvanized steel plate surface protection process. The single-surface galvanized steel plate surface protection process comprises the following specific steps: (1) steel is received and inspected; (2) dust particles on the surfaces of steel plates are cleaned through pretreatment to guarantee the surface cleanness of the steel plates; and the lower end surfaces and two sides of the steel plates are fixed through a fixing device 1; (3) degreasing treatment: a dipping method is used in degreasing; the temperature is controlled within 50-60 DEG C; and removed grease is prevented from attaching on the surfaces of the steel plates again; (4) hot galvanization is performed; and (5) drying is performed. The single-surface galvanized steel plate surface protection process solves the problems of need of manual movement of the steel plates, need of manual protection of galvanized end surfaces of the steel plates, nonuniform moving speed of the steel plates caused by manual control, incapability of guaranteeing the coating uniformity of acid-resistance substances, imprecise manual protection of the steel plates and incapability of guaranteeing no influence on the galvanized end surfaces of the steel plates by the acid-resistance substances due to wrong operation of the galvanized end surfaces of the steel plates.

The invention discloses a self-adaptive protection method based on Web application, and relates to the field of network security. The self-adaptive protection method based on the Web application is characterized in that the protection method adopts a mode of integrated deployment with the application and comprises a defense module, a detection module, a response module and a prediction module, andthe defense module adopts a request which does not automatically trust from the inside and the outside of a network; the detection module is deeply applied through a probe to detect and resist knownand unknown WEB attacks; the response module is based on a self-adaptive security architecture and takes continuous monitoring and analysis as a core; and the prediction module accurately detects anyfile uploading behavior by detecting an MOVE mode file uploading script file in order to achieve effective protection. For web application attacks, attack detection and server baseline check can be efficiently carried out by adopting a web application self-adaptive protection technology and system, and attacks of external hackers on web application services are effectively prevented.

The invention discloses an anti-scour device of an offshore wind power pile foundation. The anti-scour device comprises a support frame and at least one flexible element, wherein the flexible elementis detachably mounted on the support frame, a support table is mounted at the bottom of the support frame, the support frame rotates relative to the support table, and the support table is fixed on aseabed. Compared with the prior art, the anti-scour device of the offshore wind power pile foundation changes torrent or main flow into uniformly diffused slow flow as quick as possible through friction drag between water flow and fiber cloth strips, impact, vortex, overflow, diffusion, aerification and the like, so that the functions of collision mixing and friction shear stress of energy dissipation diffusion are realized.

The invention provides a protective device applied to a thermoelectric double field, which comprises a workpiece area, a first coating, a second coating and a heat-conducting and electric-conducting substrate from inside to outside, the sizes of the first coating and the second coating are determined by physical parameters of a material and the geometric size of the workpiece area, and the physical parameters comprise the heat conductivity and the electric conductivity of the material. According to the method, accurate solutions of temperature field and direct-current electric field protectionconditions can be obtained at the same time, and the original distribution states of the temperature field and the direct-current electric field in the matrix are not disturbed. The protection devicedesigned by applying the method is effective for a single temperature field or a direct-current electric field, and also has a protection function when the temperature field and the direct-current electric field act at the same time.

The invention belongs to the technical field of explosion-proof armored vehicles, and particularly relates to a manual adjustment buffer isolation device of a military vehicle lightning protection seat. The device comprises a fixing mechanism, a starting mechanism, an energy absorption mechanism and a manual adjusting mechanism, wherein the fixing mechanism is used for connecting the buffer isolation device with a seat framework; the starting mechanism is used for preventing false triggering of the energy absorption mechanism and starting of a buffer energy absorption process of the buffer isolation device; the energy absorption mechanism is used for achieving buffering and absorption of impact energy in an explosion process and includes a steel belt, two steel belt limiting pins and a push block, and the steel belt sequentially penetrates through the steel belt limiting pin, the push block and the other steel belt limiting pin and is wound and attached in a triangular shape; and the manual adjusting mechanism is used for adjusting an energy absorption load of the buffer isolation device according to different weights of passengers. According to the device, energy is buffered and absorbed through plastic deformation generated by the steel belt when the seat is impacted, and impact energy can be greatly attenuated; and the energy absorption load of the buffer isolation device ischanged through an adjusting knob, and an energy absorption effect of the lightning protection seat can be changed according to the weights of the passengers.

The invention relates to an intelligent clamp for pretreatment of a single-face galvanized steel sheet. The intelligent clamp comprises an installation frame which is of a U-shaped structure. The middle of the installation frame is provided with conveying mechanisms. The left side and the right side of the installation frame are symmetrically provided with an executing adjusting grooves. The executing adjusting grooves are internally provided with adjusting executing mechanisms. The installation frame is provided with two fixing grooves. By means of the intelligent clamp, the problems that inthe existing galvanizing pretreatment process of the single-face galvanized steel sheet, the steel sheet needs to be moved manually, the end face needing galvanization of the steel sheet needs manualprotection, the moving speed of the manually controlled steel sheet is nonuniform, the coating homogeneity of an acid-proof substance cannot be guaranteed, manual steel plate protection is imprecise,it cannot be ensured that the end face needing galvanization of the steel plate cannot be affected by the acid-proof substance due to misoperation, normal galvanization cannot be carried out, and thesurplus acid-proof substance on the surface of the steel plate needs to be manually recovered.

The invention discloses a website application vulnerability attack detection method and device, a storage medium and computer equipment, and the method comprises the steps of monitoring an interpretercorresponding to a target website application, and capturing a to-be-executed code of a key function from the interpreter through a hook function; analyzing the to-be-executed code to obtain a to-be-executed process corresponding to the to-be-executed code; and judging whether the to-be-executed code is the execution code of the vulnerability attack behavior or not according to the standard execution process corresponding to the key function and the to-be-executed process. According to the invention, the key function of the execution layer is executed through the hook script, and whether theexecution process of the script meets the specification or not is judged by checking whether the execution process of the script meets the specification or not, so that accurate protection of websiteapplication layer vulnerabilities is realized.

The invention discloses a database protection method and device, a storage medium and computer equipment, and the method comprises the steps of monitoring a target database operation function in a script interpreter, and capturing an SQL statement for accessing a target database; analyzing the SQL statement to obtain a statement structure of the SQL statement; and detecting whether the SQL statement is a database attack or not according to a preset SQL statement structure library and the statement structure of the SQL statement, and intercepting the database attack. According to the embodimentof the invention, the database attack is detected by utilizing the statement structure of the SQL statement, however, in the prior art, the database attack is generally determined by searching the attack features, and as all the attack features cannot be exhausted, an attacker can bypass attack detection only by changing the statement, false alarm or missing alarm is easily caused, and compared with the prior art, the risk that detection can be bypassed by changing statements does not exist, and accurate protection of database attacks can be achieved.

The invention relates to equipment and a method for protecting and cleaning a superplastic diffusion surface of a hollow titanium alloy wing rudder. In the equipment, the specific structures of a mounting base, a centering and clamping device, a working head clamping device and a mobile platform are designed; through flexible cooperation of the components, the efficiency of spraying a protective coating before forming of the superplastic diffusion surface of the hollow titanium alloy wing rudder and the efficiency of removing a pollution layer after forming of the superplastic diffusion surface of the hollow titanium alloy wing rudder are improved.

The invention relates to an acid-proof substance coating protection device used for pretreatment of a single-sided galvanized steel sheet. The acid-proof substance coating protection device used for pretreatment of the single-sided galvanized steel sheet comprises a mounting frame of a U-shaped structure. Conveying support rollers are evenly arranged on the inner wall of the mounting frame from front to back. Adjustment executing grooves are symmetrically formed in the left side and the right side of the mounting frame. Adjustment executing mechanisms are arranged in the adjustment executing grooves. Two fixing grooves are formed in the mounting frame. By adoption of the acid-proof substance coating protection device used for pretreatment of the single-sided galvanized steel sheet, the problems that in the prior art, the to-be-galvanized end face of a single-sided galvanized steel sheet needs to be manually protected in the pretreatment process for galvanization of the steel sheet, manual protection of the steel sheet is inaccurate, the probability that the to-be-galvanized end face of the steel sheet is affected by acid-proof substances due to misoperation on the to-be-galvanizedend face of the steel sheet cannot be avoided, normal galvanization cannot be conducted, and redundant acid-proof substances on the surface of the steel sheet need to be manually recycled are solved.

The invention relates to a chlorophyll a inversion method based on different types of inland water bodies. The chlorophyll a concentration of a water body is inverted by combining an actually measured water body spectrum curve, water quality parameters and a remote sensing image. Based on the actually measured water body spectrum curve, utilizing a K-means clustering method of successive declining to classify the water body, and according to each type of average water body spectrum curve, taking a spectrum angle as distance measurement, and matching to realize remote sensing image water body classification; and further respectively constructing chlorophyll a inversion models suitable for different types of water bodies. According to the method, the problems that a traditional chlorophyll a inversion method is single in model and low in precision are solved, classification of inland water bodies based on different spectrum dominant factors is achieved, the chlorophyll a optimal inversion models are established for different types of water bodies after classification, the prediction precision of the chlorophyll a of the water bodies is improved, effective technical support is provided for preventing and treating water eutrophication and accurately monitoring spatial distribution of chlorophyll a in water and the variation trend of chlorophyll a along with time.

The invention provides a DDoS reflection attack detection method and device, computer equipment and a readable medium. The method includes: performing protocol decoding on all data packets in the data stream to be detected to obtain various types of data packets; aggregating the data packets of the same type; detecting the data to be detected based on the aggregated data packets of various types Whether there is a DDoS reflection attack of the corresponding type in the flow. The technical solution of the present invention can be detected in time even for a detection type attack with a very small flow rate, and has high sensitivity and real-time performance, so that it can be detected before the DDoS reflection type attack does not cause a large attack event and a major loss. Realize effective protection and threat warning. Moreover, the technical solution of the present invention can determine the type of DDoS reflection attack, and thus can facilitate the realization of more accurate protection.

The invention discloses a carrier aircraft intelligent navigation potential energy transfer controllable arresting soft carrier-landing system which comprises an area special for carrier aircraft deck landing, a guide-in slope ascending platform, an arresting vehicle platform, a carrier aircraft novel tail hook assembly, an arresting main rope automatic lifting device, a platform-vehicle automatic separator, an arresting vehicle platform positioning groove and balance protection cover, a controllable unloading device of an arresting vehicle, an automatic arresting insurance auxiliary rope lifting device, arresting vehicle running rails, an intelligent navigation control device and an arresting vehicle offside buffering stopper. Landing is realized under intelligent navigation; slow and accurate carrier-landing is realized by gliding; automatic deviation correcting is performed for slope ascending after carrier-landing; automatic rope lifting is brought after a front wheel enters the groove and is positioned; the platform and the vehicle can be automatically separated instantly after rear wheels board; automatic insurance auxiliary rope lifting is realized in the separation process; automatic informing and potential energy transfer are realized after arresting rope lifting; uniform time-delay controllable brake unloading is realized when a carrier aircraft and the arresting vehicle run; returning to place is realized after the carrier aircraft and the arresting vehicle are unloaded; the carrier aircraft is moved and positioned by a special traction vehicle after slope descending of the carrier aircraft.

The invention provides a control method and system for fine-tuning alignment operation of an incoming train. After controlling the train to enter the fine-tuning alignment mode, the method periodically collects train information, controls the train to perform fine-tuning alignment operation according to the standard fine-tuning distance, and When the fine-tuning alignment running distance exceeds the protection distance, control the train to perform emergency braking, and when the fine-tuning alignment running speed exceeds the protection speed, control the train to perform emergency braking, and at the same time control the number of fine-tuning when the train is fine-tuning in the same direction. The system includes a fine-tuning alignment mode entry module, a train information collection module, a fine-tuning alignment operation module and a fine-tuning alignment mode cut-out module. The present invention realizes the control and protection of the fine-tuning alignment of the train, prevents the phenomenon of not reaching the calibrated parking point or passing the calibrated parking point that may occur again during the fine-tuning alignment, and ensures that the train can fine-tune the alignment smoothly during the fine-tuning alignment. The correct and reliable fine-tuning alignment of incoming trains is realized.

The invention discloses an automatic protection board loading device, which comprises a frame, on which a protection board feeding device for loading the protection board, a positioning module for positioning the protection board and a battery cell transmission line are arranged in parallel, and the protection board feeding device One side is equipped with a material unloading manipulator that takes the protective plate from the protective plate feeding device, and a loading manipulator is set above the positioning module. The loading manipulator is set between the positioning module and the cell transmission line. The module and the cell transmission lines are perpendicular to each other. A fixture loaded with cells is provided on the cell transmission line, and a protective plate camera device is installed between the positioning module and the fixture. This equipment is aimed at L-shaped battery, carries out the feeding and positioning of the protective plate, realizes fully automatic feeding, and performs precise positioning during the feeding process, and can adjust the feeding level of the protective plate in time according to the needs to ensure that the protective plate on It can be consistent with the position of the battery cell to be welded, and the protective plate can be mounted accurately and quickly, which meets the needs of automatic battery assembly.

The invention discloses an inter-android application attack-based automatic patching system and method. The method comprises a configuration initialization step, a path extraction step, a key point locating step and an inter-application attack patching step. According to the automatic patching system and method, the system runs in an application layer, upper-layer semanteme can be captured very accurately to identify a malicious behavior, and automatic patching is performed for the behavior; two-way control is used, relatively rich attack types can be identified, and relatively good analytic protection capability is achieved; a mode of combining static analysis with dynamic protection is adopted, so that the deficiency of a conventional method for the malicious behavior in an application is overcome; and a protective method for inter-application malicious attack is provided, so that a protective effect is comprehensive and effective.

The invention discloses a square cabin type CT ionizing radiation prevention protection device for infants. Thesquare cabin type CT ionizing radiation prevention protection device comprises an integrated examination bed and is characterized in that a protective cover is arranged in the integrated examination bed, and the protective cover is of a two-body structure and respectively slides on the integrated examination bed; protective curtains are respectively arranged on the upper edges of one end of the protective cover of the two-body structure; rotary handles are respectively arranged on the protective covers of the two bodies; and fixed handles are respectively arranged on the outer sides of the other ends of the protective cover of the two-body structure. The device is simple in structure and easy to operate, particularly, all-directional protection can be achieved on non-projection body parts of infants, radiation of examinees is reduced to the minimum extent, various radiation injuries and genetic effects are avoided, and the device has important significance on healthy growth of children.