240results about How to "Guarantee" patented technology

An industrial control network security protection monitoring system performs real-time prevention and protection on industrial equipment of the industrial control network, and realizes network security protection monitoring through an acquisition layer, an analysis layer, a function layer and a display layer based on an integrated application platform, wherein the display layer mainly displays security trend, system topology and industrial control panorama; the acquisition layer comprises the acquisition of network data traffic and the recording of industrial control network operations; the analysis layer mainly comprises data processing, data association, data aggregation, data modeling, and integrated interfaces of other function modules; and the function layer mainly comprises monitoring audit, intrusion prevention, vulnerability mining, and data isolation. The system provided by the invention protects and protects industrial equipment in real time through the intelligent protectiontechnology of the industrial network control system, monitors and audits the data information of the entire industrial control network through the monitoring and auditing technology to prevent the industrial control network from being attacked externally, and can also have the vulnerability mining function of the industrial control network to escort the entire industrial control network security.

The invention provides a processor fault injection method oriented to a BIT (Built-In Test) software test and a simulator thereof, wherein a hardware circuit board that runs BIT software is taken as a simulation object of the simulator. A normal function simulation module, a fault model parsing module, a fault injection module, a failure behavior simulation module and a peripheral crosslinking environment emulation module are additionally arranged in the processor fault injection method, wherein the normal function simulation module simulates the normal functions of a processor, memorizer and the like; the fault model parsing module parses a fault sequence file; and the fault injection module matches and injects a fault. The processor fault injection method compiles and parses an XML (Extensive Markup Language) fault sequence file to form the fault sequence that can be identified by the simulator by building a fault mode library, searches and injects the corresponding fault when the simulator encounters a fault observation point during the simulation process, and performs the fault simulation when the fault is triggered. The processor fault injection method and the simulator can achieve more complete types of the injected fault modes, can fully cover test cases under each failure occurrence, and can test the circuit board-level BIT software more sufficiently; in addition, only the BIT software that is tested fully can ensure the accuracy and the timeliness of BIT prediction of aeronautical airborne equipment, and further ensures the reliability and the safety of a system.

The invention discloses a method and a device for monitoring quality of service, which are used for monitoring the quality of service of an application layer service, so that the service quality monitoring information of an application layer can be fed back to a network management operation/maintenance center of a mobile communication network or a user. The method for monitoring quality of service comprises the steps that a piece of user equipment (UE) determines a quality of service (QoS) requirement of the application layer service when an application layer service is initiated; the UE checks whether the QoS requirement of the application layer service is matched with a predetermined QoS capability defaulted to be born by an evolutionary packet system (EPS) or not; when the QoS requirement of the application layer is lower than the predetermined QoS requirement defaulted to be born by the EPS, the UE initiates the application layer service; otherwise, the UE requests to build EPS dedicated bearing.

The invention discloses an intelligent detection system for a rail traffic tunnel. The intelligent detection system comprises guide rails (2), intelligent inspection robots (3), optical fiber sensors(4), station control systems (5) and a central control system (6). The guide rails (2) are arranged on two side walls of the tunnel (1) and used for providing supporting and guiding for the intelligent inspection robots (3); the intelligent inspection robots (3) are arranged on the guide rails (2) and used for real-time monitoring of operating states of a rail traffic system; the optical fiber sensors (4) are arranged on the inner wall of the tunnel (1) and used for real-time monitoring of interior of the tunnel (1); the station control systems (5) are used for processing data transmitted by the optical fiber sensors (4) and the intelligent inspection robots (3); the central control system (6) is used for collecting early warning signals and alarm signals transmitted by each station control system (5) and transmitting to the station control system (5) of a near station. The intelligent detection system has advantages that potential safety risks in the rail traffic tunnel can be found timely and effectively, and accordingly safety and stability of a rail traffic operation system are effectively improved.

The invention discloses a dynamic verification method which is used for a client side. The dynamic verification method comprises the following steps of displaying a verification page; displaying a plurality of pictures formed by dividing a verification graph and comments for prompting the verification graph in a verification region of the verification page; recording position change operation of a user on the pictures in the verification region; generating a verification code for expressing the verification graph after the pictures of the verification graph are pieced together by the user; and submitting the verification code to a server. By the dynamic verification method, the possibility that verification passes through a machine can be reduced, and effects of dynamic verification codes are guaranteed. The invention also discloses a client side for implementing dynamic verification, a server for implementing dynamic verification and a system for implementing dynamic verification.

The invention discloses a buoyancy-driven intelligent self-lifting communication subsurface buoy system which comprises an intelligent self-lifting communication floating body, a main floating body and an anchoring system. The intelligent self-lifting communication floating body comprises a main frame, a floating body material, a communication antenna, an electronic compartment, a battery compartment, an acoustic module and a buoyancy-driven adjusting mechanism. The buoyancy-driven intelligent self-lifting communication subsurface buoy system has the advantages that the subsurface buoy system can realize real-time transmission of data of a subsurface buoy, so that timeliness of the data is guaranteed; switching of a working state of a mechanism around a density jumping layer is realized by cooperation of the buoyancy-driven adjusting mechanism and a control system, long-term working capability of the surface buoy system at low power consumption is realized, floating motion and a communication function under low ocean current are realized, overall power consumption of the subsurface buoy system is lowered, and working cycle of the subsurface buoy system is prolonged greatly; by being controlled to float and dive, the communication subsurface buoy is effectively protected from being damaged by organisms or ships on the sea, and high working reliability of the subsurface buoy is guaranteed.

The invention relates to a similarity-based fault isolation method of a train suspension system. The method includes taking the train suspension system as a condition monitoring and fault diagnosis object, obtaining a system output residual through analyzing the motion state during operation of a train and Kalman filtering, obtaining fault signal frequency domain information through performing fast Fourier transform on the system output residual, and calculating a similarity score of a currently detected fault and a typical fault through the Eros algorithm to determine the type and position of the current fault. The method achieves intelligent isolation of train suspension system faults and plays important roles in guaranteeing train safe operation, guiding maintenance and overhauling of the train suspension system and improving the train operating efficiency.

The invention relates to a hand saw with composite tools, wherein it comprises casting front bend, support, and back bend; the up back part of front bend has horizontal chamber; the front of support is in said chamber; the up front part of back bend has horizontal chamber and the back of support is in said chamber; then two chambers are matched to form the main body of composite tools; the back of back bend has longitudinal chamber embedded with jointed turnover cover; the inner wall of cover has at least two embed grooves; the grooves are embedded with composite tool head. When using different composite tools, only needs to rotate the turnover cover when using the back pin as axle, to open the cover and take out the main body and tool head, to form different composite tools. The invention has compact structure and portable property.

The invention discloses a wireless intelligent electronics drumstick for exercises. The drumstick comprises a drumstick body, an acceleration sensor arranged at the inner end of the drumstick body, a wireless communication module connected with the acceleration sensor, a power supply module supplying power to the wireless communication module and a user terminal in wireless connection with the wireless communication module. The acceleration sensor is used for collecting quick-stoppage data of changes of the acceleration of the drumstick body on a gravity shaft and sending the quick-stoppage data to the wireless communication module; the wireless communication module is used for receiving the quick-stoppage data and packaging the quick-stoppage data into quick-stoppage signals, and then the quick-stoppage signals are wirelessly transmitted to a user terminal; the user terminal is used for receiving the quick-stoppage signals and converting the quick-stoppage signals into corresponding sound signals. The wireless intelligent electronics drumstick can be used for exercises of real non-percussion instruments and can generate real drum or fork beating sounds by being connected with a user terminal in parallel, convenience in drumbeat and intonation correction is brought to beginners, and users can know the strength required for holding the drumstick in reality.

The invention discloses a multifunctional friction wear testing device. The device comprises a workbench, a variable loading assembly, an upper friction pair assembly, a reciprocating type lower friction pair assembly, a pin disc type lower friction pair assembly, a crank disc and a spindle motor; a loading rod is fixed in the middle of a cross beam of the workbench; a roller wheel is connected tothe bottom of the loading rod; the upper friction pair component abutting against the roller wheel is arranged below the roller wheel; the upper friction pair assembly is fixed on a side surface stand column and is provided with an upper clamp used for fixing an upper sample piece; and the reciprocating type lower friction pair assembly or the pin disc type lower friction pair assembly is detachably fixed on the workbench below the upper friction pair assembly and is provided with a lower clamp used for fixing a lower sample piece. The two lower friction pair assemblies can be driven by the spindle motor and the crank disc, so that the utilization rate of equipment components is improved, and the overall cost of equipment is reduced; and multiple different friction tests can be realized,a load can be periodically changed, and a roller wheel balancing device ensures that external loading force is radially downward and acts on the upper sample piece.

The invention relates to an electric automobile automatic charging system and method based on an automatic mechanical arm. The system comprises a stall detection device arranged under the ground of a parking space, a charging device arranged beside the parking space, the automobile-mounted mechanical arm installed on an electric automobile, a region control device which is in wireless communication connection with the charging device and the stall detection device and is used for acquiring real-time state information of the charging device and the stall detection device and controlling the charging device and the stall detection device, an automobile-mounted control device connected with the electric automobile and the automobile-mounted mechanical arm and used for acquiring real-time state data of the electric automobile and controlling the mechanical action and electrical performance of the automobile-mounted mechanical arm, and a backstage management center which is in wireless communication connection with the automobile-mounted control device and the region control device and is used for acquiring data acquired by the automobile-mounted control device and the region control device and issuing control commands. Compared with the prior art, the electric automobile automatic charging system and method have the beneficial effects that a domestic gap is filled in, and the system and method have the important significance in promotion of electric automobile technology development.

The invention discloses a robot system based on material contract management and a management method thereof, and belongs to the technical field of office automation. The material contract managementrobot management system mainly comprises a management robot, an operation robot, a client, an integrated data intranet, an RPA scene configuration module and a system log. A user issues a task througha client; the management robot receives the task, starts a scheduling main program, unpacks the task and puts the task into a planning pool; and the management robot calls the operation robot to complete the task according to the task type, wherein the management robot and the operation robot are both deployed on the server, and the server is accessed to the integrated data intranet, so that therobot can realize man-machine interaction with a user through a client and an intranet mail; automatic and intelligent processing of work is achieved, contract signing and settlement work efficiency is improved, contract signing duration is shortened by 70%, contract settlement efficiency is improved by 300%, and timely signing and settlement are effectively guaranteed.

The invention relates to the field of traffic violation inspection, in particular to an unmanned aerial vehicle side road vehicle illegal parking detection and evidence acquiring system and method. The unmanned aerial vehicle side road vehicle illegal parking detection and evidence acquiring system comprises two modes of the unmanned aerial vehicle and thirteen functional modules. The first mode is an unmanned aerial vehicle inspection mode, and the mode comprises an image acquisition module, a vehicle detection module, a temperature acquisition module, a violation determination module, and aflight control module. The second mode is an unmanned aerial vehicle evidence acquiring mode, which is triggered by an unmanned aerial vehicle when an illegal parking phenomenon is detected in the inspection mode, and comprises an image acquisition module, a camera holder control module, an evidence acquiring point positioning module, a flight control module, a license plate detection module, a license plate detection failure determination module, a license plate recognition module, and an information packaging and sending module. The unmanned aerial vehicle side road vehicle illegal parking detection and evidence acquiring system provided by the invention is high in operation speed, high in detection precision and flexible in detection area, can guarantee the timeliness of road inspection, and provides guarantee for traffic convenience and traffic safety of residents.

The invention relates to the technical field of pipeline repairing, in particular to a pipeline inner wall clearing device used for pipeline repairing through an insertion method. The pipeline inner wall clearing device comprises a shell, a traction rope is arranged at one end of the shell, two sets of distance adjusting mechanisms are arranged on the circumferential surface of the shell, a plurality of high-pressure nozzles are arranged on the circumferential surface of the shell, the shell is internally provided with a water supply pipe communicating with all the high-pressure nozzles, and the distance adjusting mechanisms are located at the two ends of the shell correspondingly; and each distance adjusting mechanism comprises a plurality of supporting rods arranged on the outer circumferential surface of the shell, one end of each supporting rod is hinged to the shell mutually, the other end of each supporting rod is rotationally connected with a supporting wheel, an auxiliary supporting rod is further arranged on each supporting rod, one ends of the auxiliary supporting rods are connected with the supporting rods, sliding blocks are hinged to the other ends of the auxiliary supporting rods, an outer thread is formed on the outer circumferential surface of the shell, and the outer circumferential surface of the shell is in threaded connection with clamping rings for limitingthe sliding positions of the sliding blocks. The pipeline inner wall clearing device has the effects that the physical output of labor is reduced, and the cleaning efficiency to the inner wall of a pipeline.

The invention discloses a remained small coal pillar comprehensive mechanized coal mining supporting structure and a construction method. The remained small coal pillar comprehensive mechanized coal mining supporting structure and the construction method comprises a narrow coal pillar arranged between a current stope working face and an adjacent stope working face, one side of the narrow coal pillar is provided with a filling body, and the adjacent stope working face is also provided with a roof presplitting cutting line; the construction method of the remained small coal pillar comprehensivemechanized coal mining comprises the following steps that before the coal mining, an air return way, a haulage gate, and an auxiliary haulage gate are constructed; the roof presplitting cutting line of the current stope working face is constructed in the auxiliary haulage gate; then the filling body is constructed synchronously with a head coal mining. The remained small coal pillar comprehensivemechanized coal mining supporting structure and the construction method solves the problems of gangue darting into a lane in a worked out section, roof bolting accident of the auxiliary transport chute, and the leakage of the narrow coal pillar in the current stope working face; and the mining influence to the auxiliary transport chute caused by the stope working face is weakened, cost of maintenance of the lane is reduced, and recovery coefficient of coal resource is enhanced; and the remained small coal pillar comprehensive mechanized coal mining supporting structure and the construction method can be applied to most geological mining conditions and has a great significance to promote and achieve safe and efficient mining of coal mine.