69results about How to "Does not affect operating efficiency" patented technology

The invention discloses a kernel integrity detection method based on Xen virtualization. According to the method, a kernel integrity detection system is utilized to detect kernel integrity of a virtual machine operation system which is operated on a Xen virtualized platform; a memory mapping part, an information acquisition part and a safety detection part are arranged on a Dom 0 of the system, wherein the memory mapping part provides an interface for acquiring machine byte data of a hardware level of a Dom U; the information acquisition part deploys the machine byte data, acquired by the interface provided by the memory mapping part, of the hardware level of the Dom U, and converts the machine byte data of the hardware level into information of the level of the operation system according to the version of the operation system in the Dom U; the safety detection part calls kernel key data, acquired by the information acquisition part, of the operation system in the Dom U in a polling mode, and judges whether kernel integrity of the operation system in the Dom U is damaged or not according to safety policies of the system. According to the method, the detection system is deployed outside a monitored system, and therefore the safety of the detection system is guaranteed, and meanwhile kernel integrity of the monitored system is detected.

The invention provides a distributed computing system which comprises a client, a distributed coordinator server and a distributed computing node, wherein the distributed coordinator server is used for recording configuration information, and notifying the distributed computing node to load new configuration information when the configuration information changes; the distributed computing node is used for receiving a request parameter from the client, carrying out computation according to the request parameter, and returning the computation result to the client; after the notification is received from the distributed coordinator server, the new configuration information recorded by the distributed coordinator server is read and the configuration information is updated to the new configuration information. Through the system, the distributed coordinator server records the configuration information, and notifies the distributed computing node to load the new configuration information when the configuration information changes, so that the configuration information can be updated without restarting the system when the configuration information changes, and the operating efficiency of the whole system is not affected.

The invention provides a safe auditing system based on the filter driver. The safe auditing system comprises a system filter driver module, a client acquisition module, a client processing module and a client sending module, wherein the system filter driver module comprises a middle layer filter driver module of an NDIS (Network Driver Interface Specification) driver module and a USB equipment filter driver module of a PNP (Plug-and-Play) driver module. According to the invention, the safety of the safe auditing system is improved.

The embodiment of the invention discloses a terminal information tracing method and device, a terminal and a medium, wherein the method comprises the steps of obtaining the identification informationof the terminal; acquiring a target image shot by a terminal camera in real time, and identifying a human body posture on the target image by utilizing an image identification technology; and if it isidentified that the human body posture belongs to the photographing behavior, encoding the target image and the identification information to generate a blind watermark, and displaying the blind watermark on a terminal screen, so that the information leaked by the terminal is traced based on the blind watermark on the terminal screen. According to the embodiment of the invention, the informationleaked by the terminal can be effectively traced based on the blind watermark displayed on the terminal screen; the safety protection capability of the information on the terminal can be improved, theimplementation process of the technical scheme is simple and convenient, the generation of the blind watermark does not need to depend on other external devices, the generation efficiency is higher,and the operation efficiency of the terminal cannot be affected.

The invention discloses a commercial cash register, a mobile phone, an electronic bill system and a processing method thereof. The commercial cash register comprises an electronic bill storage module, a sending module and a main control module, and the main control module is electrically connected with the electronic bill storage module and the sending module. The mobile phone comprises a display module and an electronic bill receiving device. The electronic bill system comprises the commercial cash register and the mobile phone. The invention further provides a processing method based on the electronic bill system. The commercial cash register, the mobile phone, the electronic bill system and the processing method of the electronic bill system cannot influence operational efficiency of merchants, cannot influence effectiveness of consumption information, enable consumers to process consumption bills conveniently, remove the trouble for preserving paper bills, greatly bring convenience for the consumers to process consumption information bills, and are simultaneously environment-friendly and low-carbon.

The invention relates to a real-time controllable derotation flow vibration damper of a seal system in an impeller machine which is mainly used for reducing the vibration of a rotor seal system or vanes, and is mainly applied to the industrial rotating machines like a compressor, a steam turbine, a gas turbine, a turbopump, and the like. The real-time controllable derotation flow vibration damper of a seal system in an impeller machine comprises a real-time signal detecting and analyzing system, as well as an actuating system; the invention is characterized in that the real-time signal detecting and analyzing system comprises an eddy-current displacement sensor, a pressure sensor, a connection terminal, a signal modulating module, a data collection card and a computer; the actuating system of the controllable derotation flow vibration damper comprises an air pump, a storage tank, an electric adjusting valve/electromagnetic adjusting valve, a multi-way joint, a pipeline and a nozzle. Compared with the existing derotation flow technology, the device carries out adjusting and controlling by continuously detecting the changes of the parameters like the vibration size, the medium pressure and flux of the system in real time, has a good vibration damping effect, can not affect the running efficiency of a machine unit, and more importantly, can not cause the vibration of the machine unit.

The invention relates to a visual operation and maintenance method for photovoltaic power station inspection by using an unmanned automated aerial vehicle. Inspection is carried out for a fault area of a photovoltaic power station based on a photovoltaic power station operation and maintenance system; the unmanned automated aerial vehicle is closely combined with the photovoltaic power station operation and maintenance system, such that information transmitted by the unmanned automated aerial vehicle in real time is processed in real time on the photovoltaic power station operation and maintenance system and instructions are given to allow the unmanned automated aerial vehicle to acquire fault information better; manpower and material resources are saved; in addition, due to the particularity of square matrix arrangement of the photovoltaic power station, a description method for coordinates of faults in the invention also uses row and column description for the square matrix, which accords with the characteristic of square matrix arrangement of the photovoltaic power station. Using such a method, the operation and maintenance staff can spend the least time to inspect equipment timely during inspection on the photovoltaic power station; the cost and time problems of manual inspection are solved; and the problem of affecting the overall efficiency of the photovoltaic power station due to un-timely inspection of equipment of the power station is solved fundamentally.

The invention relates to a train integrity detection system based on Beidou short message communication. The system comprises a vehicle-mounted ATP host, train tail equipment and ground RBC equipment,and is characterized in that the vehicle-mounted ATP host is in communication connection with the train tail equipment and the ground RBC equipment respectively; the vehicle-mounted ATP host and thetrain tail equipment each comprise a main control unit, a wind pressure detection module, a wireless communication module, a speed measurement module and a satellite positioning module, wherein the wind pressure detection module, the wireless communication module, the speed measurement module and the satellite positioning module are connected with the main control unit; and the vehicle-mounted ATPhost and the train tail equipment each further comprise a Beidou short message communication module connected with the main control unit. Compared with the prior art, the system has the advantages ofhigh communication interference resistance, short response time and the like.

An embodiment of the invention provides a database safety control system and method. The system comprises an audit definition module, an audit operation module and an audit pre-warning module, wherein the audit definition module is used for determining databases, objects and tasks related to an audit and comprises a range definition submodule, a user definition submodule and a task definition submodule; the audit operation module is used for determining an audit target according to the setting of the audit definition module and auditing the audit target and comprises an audit judging unit for determining the audit target according to the setting of the audit definition module and a background operation unit for auditing the audit target according to an audit task and related content determined by the audit judging unit; the audit pre-warning module is used for giving out alarm and/or terminating a process according to the audit result of the audit operation module and comprises an alarm generating unit and process terminating unit.

The present invention belongs to the technical field of network information processing, and in particular, to a Chinese PDF file text content extraction method oriented to network flow transmission. The method provided by the present invention comprises: step A: providing an interface of an application layer logic; and step B: performing Chinese PDF document text content extraction on network data parsed by the application layer logic. According to the method provided by the present invention, by analysis and optimization of steps such as extraction of Chinese PDF file content transmitted by network data flows, maximal optimization of the whole system on terms of time efficiency and spatial efficiency is achieved, and moreover, occurrence of detrimental phenomena such as delay jitter is avoided, so that the method can be operated in a large-traffic surveillance system without affecting the whole operating efficiency of the system.

The invention discloses an electronic police system light supplementary lamp fault detecting method based on image abnormities. Based on vehicle images captured by high-definition cameras of an electronic police system and vehicle license plate identification, the vehicle flow rate and the vehicle license plate identification rate in a unit time frame are calculated, the vehicle flow rate and the vehicle license plate identification rate in the unit time frame are compared with the normal vehicle flow rate and the normal vehicle license plate identification rate of the same time frame, whether the vehicle detection and the vehicle license plate identification on lanes are abnormal or not is judged, whether light supplementary lamps are abnormal or not is judged according to set threshold values of the vehicle flow rate and the vehicle license plate identification rate in abnormity, and light supplementary lamp fault detection is conducted. The electronic police system light supplementary lamp fault detecting method based on the image abnormities is simple in implementation, an algorithm is easy to conduct, the detection accuracy and operability are high, no hardware is added, the operation efficiency of the system is not influenced, a large amount of manpower, material resources and financial resources are saved, the maintenance cost is reduced, and the using prospect is quite wide.

The invention belongs to the technical field of access control management systems, and particularly provides an access control authority management system and an access control authority management method. The access control authority management system comprises an input and distribution unit, an integral management unit and an authority updating unit, wherein the input and distribution unit is used for inputting work information of employees and distributing initial authority to the employees; the integral management unit stores the initial integral of each rank of all types of work, is usedfor matching the initial integrals for the employees according to the ranks and the types of work of the employees, and is further used for recording violation information of the employees and deducting the corresponding integrals; and the authority updating unit stores a mapping table of the ranks, the types of work, the integral numerical values and the authority, and is used for updating the authority of the employees according to the ranks, the types of work and the latest integrals of the employees. According to the access control authority management system, when the continuous operationof the employee is not standard, the authority of the employee can be changed, and the authority of a part of regions is lost, so that the probability of safety accidents caused by the non-standard operation of professionals on a construction site can be effectively reduced.

The present invention discloses an efficient method for extracting massive data. The method comprises: Step 1, extracting data by using the Golden Gate, parsing Oracle log files by using the Golden Gate, and extracting initial data and changed incremental data; Step 2, using the MapReduce parallel computing engine to speed up the processing, and using the MapReduce parallel computing framework ofthe Hadoop big data platform to speed up the data extracted by loading; and Step 3, loading the data into the HBase, and using the multi-node parallel writing to directly generate a storage format file of HBase data. The present invention provides a log-based structured data replication method, which can capture the changed data from the online log in real time and save the changed data in a Trailformat file; the advantages are that capture of changed data only occupies a small amount of system resources through the analysis of log files, and especially when the amount of data stored in the Oracle is very large and the Oracle system is heavily loaded, the operation efficiency of the Oracle substantially cannot be affected.

The invention relates to a GIS (geographic information system)-platform based dynamic loading method for real-time weather of graticule data. The method includes the following steps: writing and deploying a GIS platform rear-end server code, partitioning a GIS platform measured area by a parallel area partitioning algorithm automatically generated by finite-element grids to form a graticule, acquiring whether information in real time, and accurately checking scope and condition of influences of extreme weather on power-grid factors by a graticule framework at a GIS platform front-end. High automation degree of geographic area grid partition is achieved, requirements on space data diversity and resource dynamics are met, and GIS platform operation efficiency is not affected. The scope and the condition of the influences of the extreme weather on the power-grid factors are accurately checked to acquire useful data in power-grid resources or weather information, so that loading of useless data is avoided, and the GIS platform operation efficiency is improved.

The invention relates to a power network resource GIS application grid segmentation method based on a GIS platform. The method comprises the following steps: compiling and disposing GIS power network resource platform rear-end server codes; performing grid division on geological area in a GIS platform by use of a finite element grid automatic generation parallel area division algorithm; dynamically scheduling the compiling and disposition of a layer algorithm; a GIS platform rear end pushing integrated equipment information to a GIS platform front end; and a GIS platform front-end displaying container displaying a correlation effect. The geological area grid division is quite high in automation and satisfies the demands for space data diversification and resource dynamics. Reasonable indexes are established for GIS platform power network resource equipment position and power network running state information, the data reading efficiency is accelerated, the uniqueness of the data of the platform power network resource equipment position and power network running state information is ensured, the frequency of the GIS platform accessing into a disc is reduced, and the retrieval efficiency is improved.

A fault management method based on an XML language comprises the steps: defining an XML file format, wherein the XML file format comprises a root node and a plurality of child nodes, and each child node is used for describing one piece of fault information and comprises three elements including a fault identification code, fault description and a fault solution; using an associated container to manage a fault, binding the XML file to a standard file format, and storing the XML file in a memory; analyzing node information of the XML file, obtaining detailed information of each fault, and storing the detailed information into an associated container; creating a fault matching thread, and obtaining fault description and fault solution information in the associated container according to the fault identification code sent by the bus; and establishing a standard data model class, combining the standard data model with a display list, wherein each row of the display list corresponds to a fault, and when a new fault is received, a fault row is added in the display list, and new fault information is displayed. According to the method, under the condition that the source code is not changed, the fault list can be added, modified and deleted, compiling is not needed, and the operation efficiency is not influenced by adding the fault information.