215results about How to "Easy to expand" patented technology

The invention discloses a data cross-platform migration method and a data cross-platform migration device, which are used for data migration between different database systems. The device comprises a source data information module, a target data information module, a conversion module, an SQL (Structured Query Language) Engine, a data packet encapsulation, transmission and analysis module and an SQL statement execution module. The information on a source data platform and the information on a target data platform are described through the source data information module and the target data information module, a table is acquired from the source database to generate a Table object, the Table object is subjected to format conversion by the conversion module according to an XML (Extensible Markup Language) file for describing the mapping relation of fields between the databases, the converted information is constructed into an SQL statement by the SQL Engine, the SQL statement is encapsulated and transmitted to the platform where the target database is positioned, and the SQL statement is executed on the target platform to finish data migration. The method and the device realize smooth and lossless migration of the data between different databases of a heterogeneous platform.

The invention discloses a recipe generation system of a cooking utensil and the cooking utensil. The recipe generation system comprises an operation part, a weight detection part used for measuring the initial weight of cooking materials added into the cooking utensil in sequence and measuring the total weight of the cooking materials in a cooking process and when the cooking is finished, a time counting part, a parameter calculating part used for obtaining the ratio of the cooking materials according to the initial weight of the cooking materials and calculating the weight loss of the cooking materials at different cooking time points, and a parameter determining part used for determining the liquid boiling time point according to the change of the weight loss of the cooking materials along with time and determining the after-boiling heating time according to the liquid boiling time and the cooking finish time. According to the recipe generation system, through detection of a series of operations in the cooking process and information processing, the components of dishes in the cooking process can be determined and the key cooking elements and cooking processes of the dishes can be formed, so that the components, key cooking elements and cooking processes of the dishes can be used in a subsequent cooking process.

The invention provides a heterogeneous database synchronization method and an application system. A synchronous processor arranged on a side of a source data source can periodically poll change data recorded in a synchronous change table and encapsulate the change data into a data stream to send the data stream to a synchronous analyzer arranged on the side of a target database. The synchronous analyzer de-capsulates the data stream, then maps the change data in the source data table into a data structure of a target data table in the target database according to preset mapping files, and synchronizes the data of the target data table according to the change type values in the change data so as to complete the data synchronization of heterogeneous databases. The heterogeneous database synchronization method and the application system disclosed by the invention can achieve the data synchronization of heterogeneous databases just by setting different mapping files on the synchronous analyzer instead of changing the existing heterogeneous databases, the implementation is simple, and the expansion is easy.

The invention discloses a vulnerability scanning method based on a movable agent and belongs to the technical filed of information safety. The vulnerability scanning method based on the movable agent includes that a user sets scanning parameters through a configuration module and triggers a roaming agent module to send out roaming agent through a management agent module, the management agent module transmits a needed vulnerability feature base from a vulnerability base module through an encryption transmission mechanism, the roaming agent moves in circulation among hosts which need to be scanned in the network and collects a running state of each scanning sub-agent module, scanning results are transmitted to the management agent module through the encryption transmission mechanism after each scanning sub-agent module completes scanning, and the management agent module triggers a result disposing module to conduct unified classification and sorting of the vulnerability scanning results. The vulnerability scanning method based on the movable agent helps and guides evaluation personnel to complete assessment to a computer information system and can conduct automatic comprehensive analysis and processing to each assessment record, and objectivity and accuracy of evaluation results are ensured.

The invention discloses an emergency rescue communication network and networking method based on unmanned aerial vehicles and wireless equipment, belonging to the technical field of disaster relief and emergency communication. The scheme of the invention mainly relates to the unmanned aerial vehicles, the wireless equipment, a GPS positioning device and a remote base station in hardware, the unmanned aerial vehicles form an aerial wireless network, the wireless equipment forms a ground wireless network, and through the communication established between the ground wireless network and the unmanned aerial vehicle network, a temporary communication network can be provided for areas with disasters, or two networks that are isolated by non-human reasons can be connected. The scheme of the invention firstly designs the distribution of the ground wireless network and selects the number of the wireless equipment and the unmanned aerial vehicles reasonably based on the disaster scope, the landform of disaster areas, the population quantity and density of the disaster areas and other situations. Compared with the prior art, by adopting the scheme of the invention, the network coverage area can be expanded, the stability of the networks can be enhanced, the security of the system can be improved, the working time of the unmanned aerial vehicles can be prolonged, and the energy consumptionspeed can be slowed down.

The invention relates to a charging device, a charging system of an electric automobile and a control method of the charging system of the electric automobile. The system comprises a mobile terminal, a charging server and the charging device. The mobile terminal is used to send charging service request information and a charging mode to the charging server. The charging server is used to control the charging device to charge the automobile connected with the charging device when user information and information of the charging device are verified to be valid and to send charging completion information to the mobile terminal. The charging server, the mobile terminal and the charging device are connected through wire and wireless networks to form network control and matched with a charger or a vehicle sensor in a charging stall to control and manage charge for the parked electric automobile. The invention supports appointment making function, has the function of self-detection and automatic error report, and is easy to use and control. Hardware is easy to expand, different charging plugs can be replaced, and use of an electronic card is obviated. Charging can be performed only by login authentication and the invention can indicate various work states in the charging process.

The present invention relates to a magnetic substance holder, which includes a permanent magnet, a pole piece coupling one of N and S poles of the permanent magnet and having a holding surface, a magnetizable material having an end surface contacting the pole piece, a coil surrounding the magnetizable material, and a control device controlling electric current flowing through the coil to control the magnetization of the magnetizable material. According to the present invention, optimal holding force can be realized for the same area, and the magnetic substance holder can be readily expanded to a module or be miniaturized according to the size of the interior of a device on which the magnet holder is installed, and can be widely applied to various equipment used in the industrial field such as lifts, chucks, locking devices, applied machines, and robots.

The invention discloses a modularized sub-action multi-legged robot motion controller and a control method thereof. The modularized sub-action multi-legged robot motion controller comprises an upper computer module, a sub-action multi-legged robot master control node module and a sub-action multi-legged robot lower computer node module, wherein the upper computer module is connected with the sub-action multi-legged robot master control node module through a converter and a shielded twisted pair; the multi-legged robot master control node module is connected with the sub-action multi-legged robot lower computer node module through a shielded twisted pair. The control method comprises the following steps: transmitting motion commands according to the selected mode and the environment video information, processing the motion commands into special motion parameters of motors corresponding to lower computer sub-modules, executing the motion commands by lower computer sub-modules, and transmitting the video information. The gait planning is simple, the control is simple and convenient, a backup control scheme is provided, the lower computer nodes adopt the modularized design of being independent in hardware and self-adaptive in software, the extension is convenient, and the safety and the reliability are realized.

The invention discloses a document image classification method and device, and belongs to the field of computer vision. The method comprises: training a text feature vector extraction model and an image feature vector extraction model respectively, extracting a fusion feature vector of a document image in an embedded feature mode that text feature vectors and image feature vectors are fused, and classifying the document image based on the similarity of the fusion feature vector. According to the method, various document images can be quickly registered and classified, the service process can be greatly simplified, the OCR API can be simplified, all documents can be recognized through one API, and permanent use of one-time access is truly achieved.

A composite-type simulation test panel for injected stator grounding protection of power generator comprises an injected power supply output connected with the low-voltage side of a grounding transformer, a load resistor connected with the low-voltage side of the grounding transformer and a middle CT arranged on the low-voltage side of the grounding transformer, wherein a current detection point is provided at the secondary side of the CT; voltage detection points are provided on both terminals of the load resistor; and a grounding transition resistor and a capacitor to ground are connected with the high-voltage side of the grounding transformer in parallel. A static simulation test method using the above device comprises following steps: selecting proper devices and wiring according to the principle; simulating the field ground fault; and debugging the protection device and the injected power supply device of the device to be tested according to 'technical description'. The dynamic simulation test method comprises the following steps: respectively hanging three-phase capacitors on terminals of a power generator; connecting a simulated ground point on a main chassis with the ground of a stator iron of the power generator; connecting the extraction terminal on the high-voltage side of the grounding transformer with the neutral point of the power generator; and connecting a transition resistor for simulating grounding with a simulated fault position of the power generator through an air switch.

The embodiment of the invention discloses a flow control method, comprising the following steps: a physical interface card counts flow information and reports the counted flow information to a control logic module which is capable of setting different logic functions; the control logic module generates flow control strategy based on the flow information according to preset logic functions and issues the flow control strategy to a flow management module; the flow management module limits corresponding flow of the physical interface card according to the flow control strategy. The embodiment of the invention also provides corresponding devices and systems. As the technical proposal of the invention adopts the control logic module to receive the flow information sent by the physical interface card and develops the flow control strategy according to the flow information, the technical proposal can alter the rule for developing the flow control strategy by changing the logic functions in the control logic module, thus facilitating the expansion of flow control modes.

The invention relates to a 3D engine system applied to games. The engine system comprises an upper game application layer, a middle engine system layer and a bottom operation system layer. The middle engine system layer comprises an engine system core module, a resource loading module, a resource management module, a core rendering module, a scene management module, a multi-thread module, an event system module, a log system module, a sound module, a mathematic module, a rendering unit, a terrain module, a sky module, a special effect module, a camera module, an animation module, a model module, a shader module, a role module, an after effect module and a lamplight module. The upper game application layer, the middle engine system layer and the bottom operation system layer are sequentially connected. The system has the advantages that the system is simple and easy to use, is designed according to an object interface, can achieve rendering more easily and can be used for extension. The system supports loading of files in various formats and supports a multi-thread loading engine system to render various required resources.

The present invention provides a power transmission and transformation equipment multidimensional heterogeneous data fusion method and system facing big data. The power transmission and transformation equipment multidimensional heterogeneous data fusion method facing the big data comprises the following steps of: S101, power fault and disaster monitoring multidimensional heterogeneous data access; S102, data pre-processing; S103, model and data structure mapping; S104, customization of a specialized data view; and S105, data fusion analysis. The power transmission and transformation equipment multidimensional heterogeneous data fusion method and system facing the big data follow the principles of design flexibility and expansion convenience, and adopt a mode of sharing a storage base, a data service and the like to implement uniform sharing and use of various information resources, for example, satellite remote sensing data, historical meteorological data and GIS data are shared in a file mode and production management data, state monitoring data and thunder and lightning positioning data are shared in a database mode; and data of an evaluation source is used as a starting point, and effective management and sufficient utilization on various types of thematic data are implemented by three stage levels of data integration, data mining and analysis application.

The invention discloses an automatic test tool and method for software of embedding apparatus. The tool comprises a main program module used for establishing test case scripts, constituting test plan, managing test case scripts and test plan; a script analytic module used for analyzing or running scripts, managing, concurrent and synchro controlling thread when multiple unit runs; an instruction analytic module used for packaging instructions as binary data packets and transmitting to a serial port management module, analyzing received binary data packets; a serial port management module used for maintaining serial port source, transmitting binary data packets to embedded devices and transmitting the binary data packets received from the embedded device to the instruction analytic module. The invention tests embedded software with high efficiency and high coverage, provides support for multiple platform and type embedded devices.

The invention discloses a novel endoscope object taking bag and a delivery system. The novel endoscope object taking bag comprises a flexible bag, an elastic silk, a connector and a sliding block. The elastic silk movably penetrates through a through hole at an open end of the flexible bag. The elastic silk can movably penetrate through a through hole of the sliding block, and the sliding block can move along the elastic silk. When a relative distance between the sliding block and the connector is increased, the elastic silk is furled step by step by using the sliding block as an obligatory point, so as to furl a bag mouth of the flexible bag. When the relative distance between the sliding block and the connector is reduced, the elastic silk is unfolded step by step by using the sliding block as the obligatory point, so as to unfold the bag mouth of the flexible bag. The delivery system has a sleeve structure consisting of an outer sheath and an inner sheath. According to the novel endoscope object taking bag and the delivery system, the bag mouth of the novel endoscope object taking bag not only can be opened conveniently in a human body, but also can be closed conveniently, and particularly can be released in the body through a tiny endoscope pipeline, so that an excised sample is taken out, and the defects that the endoscope object taking bag in the prior art cannot be opened after the bag mouth is sealed and is difficult to be delivered through a tiny pipeline are overcome.

The embodiment of the invention provides a method and a device for configuring a server cluster. The method comprises the following steps: running a dynamic routing protocol on a plurality of virtual servers in a virtual server cluster and a router connected with the plurality of virtual servers; sending link information of corresponding virtual IP (internet protocol) from the plurality of virtual servers to the router; generating a corresponding multi-path router for the plurality of virtual servers on the router according to the link information of the corresponding virtual IP; and distributing the traffic flows corresponding to the virtual IP from the router to the corresponding virtual servers through the multi-path router. According to the invention, the problem of performance bottleneck of the single virtual server can be solved, the virtual server cluster can be extended simply and conveniently, and the operation and maintenance cost is greatly reduced.

A hermetically sealed battery with an opening-sealing unit 10 according to the present invention comprises a PTC element ring 16 elastically clamped between the flange 12a of a positive electrode cap 12 and a fold portion 11d formed at the peripheral portion 11c of a bottom plate 11, such that when the temperature of the PTC element rises due to overcurrent or overheating, the PTC element ring 16 can easily expand, thereby tripping the large current with its resistance capacity increased to a predetermined level at a predetermined temperature, thereby enhancing operational security of the battery.

A system and method for online energy forecasting of integrated steel enterprises belong to in the field of forecast technologies of energy. The energy forecast system is composed of the PCS layer which is constituted by sensors, PLC and DCS (1) and located in the site, site monitor terminal HMI (2), interface management server (3), database server (4), application layer server (5), Web, anti-virus server (6), workstation to client terminal (7), network which connects all the computer equipment, controllers and sensors. The energy forecast method includes: the extraction of energy data, preprocess of energy data, modeling of energy, algorithm library of modeling, forecast of energy. The advantages of the invention are: the use of a variety of energy forecasting algorithms, and adopting the way of combined model for forecasting, overcoming the limit of using a single or two methods to forecast the energy demand, improving the accuracy and reliability, and suiting for the present and interim energy forecasting.

The disclosed distributed system in doors comprises a BBU, a RHUB to provide route for baseband information, and a RRU. Besides, it also provides corresponding network organization method. This invention can reduce operation cost.

The invention provides a photon measurement front-end circuit which comprises the components of one or a plurality of signal processing circuits which are in one-to-one correspondence with one or a plurality of sensor element sets, and a main processing circuit. Each signal processing circuit in the one or the plurality of signal processing circuits comprises the components of one or a plurality of front-end processing circuits which are in one-to-one correspondence with one or a plurality of sensor elements in a corresponding sensor element set, and a back-end processing circuit. The front-end processing circuit is used for receiving an initial current signal from a corresponding sensor element and outputting a pulse current signal when the amplitude of the initial current signal is larger than a current threshold. The back-end processing circuit is used for processing each pulse current signal from one or the plurality of front-end processing circuits for generating an output signal. The main processing circuit is used for measuring the photons which are detected by the one or the plurality of sensor element sets according to the output signal of each back-end processing circuit in the one or the plurality of signal processing circuits. The photon measurement front-end circuit has advantages of simple structure and easy expansion to an array.

The invention discloses a radar-based anti-UAV defense system, which comprises a detection and recognition system, a photoelectric tracking system and an interference countering system. The detectionand recognition system comprises a detection radar, an audio detector and a spectrum detector; the photoelectric tracking system comprises a gyro stable turntable, an optical tracking device and an infrared tracking device, the optical tracking device and the infrared tracking device are respectively installed on the gyro stable turntable, the infrared tracking device is used for identification and tracking at night, the optical tracking device adopts a 37 times continuous zoom high definition television camera, the infrared tracking device adopts a high-resolution infrared thermal imager, theinterference countering system includes an electromagnetic pressing system, and the electromagnetic pressing system includes a directional multi-interference source interference countering system. The radar-based anti-UAV defense system can discover and track the invading UAV in time, and at the same time, the linkage between the various systems realizes the automatic defense of the UAV.

The present invention addresses the need for a collapsible filter that is easily assembled and installed. The collapsible filter comprises top and bottom arms rotatably attached to the top and bottom edges of two end caps. A pleated filter media is provided attached to at least one of the end caps. The present invention also addresses the need for mechanisms to facilitation the expansion of the pleated filter media, utilizing spring-like devices or other materials that may be compressed but expand to a natural state. Similarly, the present invention further addresses the need for mechanisms that allow for controlling the distance between adjacent pleats within a pleated, collapsible filter media. The present invention recognizes that a combination of these approaches may be utilized to provide a collapsible filter that is easily constructed at a manufacturing facility, assembled in the field, and installed within a system having need for a filter.

The invention discloses an apparatus for acquiring and storing high speed data in real time. The apparatus comprises a high speed digital data acquisition module (1) and a high speed data storage and control module (2), wherein the high speed digital data acquisition module (1) and the high speed data storage and control module (2) are connected through a PCI-E (Peripheral Component Interconnect-Express) bus, the high speed digital data acquisition module (1) is used for receiving external low speed and high speed digital signals, processing the received digital signals and transmitting the processed data to the PCI- E bus inside the apparatus, and the high speed data storage and control module (2) stores the data into a disk array to reach high speed, real time and safe data storage. Meanwhile, data playback is also supported, thus a user can access the data in the disk array through the high speed data storage and control module.

A speech recognition engine automatic switching method and a device are provided; the method comprises the following steps: collecting user inputted a first audio signal, and processing the first audio signal; carrying out speech recognition for the processed first audio signal, and thus obtaining a corresponding speech text; carrying out meaning analysis for the speech text, and determining a user corresponding language kind tendency; switching the speech recognition engine according to the language kind tendency, thus carrying out speech recognition for the following second audio signal. The method can automatically switch different speech recognition engines according to user language kind tendency.

The invention relates to a method and a device for forward error compensation and emendation of a pipeline A/D converter. The invention is characterized in that the principle of the forward error compensation and emendation method is as follows: when the sample and hold circuit in the sub-pipeline grade stays in the hold phase, the voltage error of the output point is then reflected to the input virtual location of operational amplifier; the voltage error of the operational amplifier input virtual location of the sub-pipeline grade at a higher level is retained and passed through a forward error compensation circuit and then is compared and calculated with input voltage of the sub-pipeline grade at a lower level; and thus the output voltage error of the sub-pipeline grade at a higher level is accurately compensated to ensure that forward error compensation sample and hold circuit and the pipelining grade use the same clock signal. By adopting the forward error compensation method for the pipeline ADC supported by technologies related to multi-channel and time overlapping, the invention reduces pressure on base-band in the communication receiving system. Similarly, the bottleneck of ADC resolution and speed of software radio engineering in military facilities is solved as well.

The electronic signature checking method incldues the following steps: (1) reading in signature information and cleartext information, (2) using public key being in user certificate to decipher signature and obtained abstraction of original cleartext, (3) abstracting clartext to obtain abstration of new cleartext, (4) comparing said two informatino abstractions and checking that they are identical or not, and (5). giving out modified informatino or correct inforamtion structure. The advantages of the invention are: 1. can check electronic bill at all times and places and can distinguish the true from the false, having no need of data book and its application is convenient; 2. said check work is created on the basis of impartial third party. and 3. making electronic signature visual, can implement on-network office.

The invention discloses a zigbee technology based central air-conditioning cold source monitoring system and method. The tree topology is adopted to establish a cold source monitoring network, enabling a distributed address allocation mechanism to perform network address allocation, and the monitoring network is composed of a coordinator node, a routing node and a monitoring node. The coordinator node is a network center node, is responsible for establishment of a zigbee network and serves as a gateway node. The routing node is responsible for network routing and data transmitting. Terminal nodes include the monitoring node and a control node. A wireless zigbee technology is introduced into the central air-conditioning cold source monitoring system, the distributed address allocation mechanism performs network node address allocation, and a relevant gateway can be established between a Zigbee netork and a field bus network to serve as a bridge of the networks and to be merged into an existing FCS field bus network, so that an existing wired BACnet building automation system can conveniently perform expansion in a low operation cost mode and obtains high economic benefit.

The invention provides a distribution network line loss management system. The system comprises an operation management subsystem, a standard dictionary database subsystem, a network model management subsystem, a distributed network loss calculation subsystem, a distribution network simulation analysis tool subsystem and a data query subsystem. The operation management subsystem is used for dividing power grid management regions, setting nodes and configuring operation authorizations, the standard dictionary database subsystem is used for setting voltage grade, line type and distribution transform type information of a distribution network and completing power grid model design, the network model management subsystem is used for managing power grid models and setting plant station, feed line and substation region information required by power grid simulation calculation, the distributed network loss calculation subsystem is used for carrying out distribution network loss calculation, the distribution network simulation analysis tool subsystem is used for achieving calculation and analysis under normal operation and various fault conditions of a transmission and distribution network, and the data query subsystem is used for providing a data query function. By means of the system, comprehensive computer management for line loss of region division, voltage division, element division, line division, substation region division, and subsystems, electric quantity balance of a bus, main transformer loss, and line loss small indexes is achieved, the line loss management level is improved, and working efficiency is improved.

The invention discloses method and device for deleting duplicate data on the basis of the Openstack Object Storage system. The method and device are characterized in that a proxy node comprises a duplicate removing middleware module; a storage node comprises a duplicate removing service process module; a duplicate removing hash ring is built in the duplicate middleware module, and each node of the duplicate removing hash ring is a root node of a red-black tree; a fingerprint file is sent to the duplicate removing duplicate module through the duplicate removing service process module; a duplicate file can be determined by the duplicate removing middleware module after finding the root node of the red-black tree; then one duplicate file is remained in the storage node, and other duplicate files are deleted; a redirection file directed to the remained duplicate file is stored at the position in which other duplicate files are stored before; if no duplicate file is found, the value of a virtual node partition in each fingerprint file and the MD5 value of the file content are inserted into a sub-node of the red-black tree. According to the method and device, the transverse expansion advantages of linear increase of the performance of the Openstack Object Storage system are fully utilized, and thus the node can be easily expanded.

The invention belongs to the field of plane structure health monitoring, and relates to a software-hardware integration system and a software-hardware integration method for multiple sensor monitoring techniques in plane structure health monitoring. According to the plane structure health monitoring system integration method, the used plane structure health monitoring system is divided into subsystems according to functions, the plane structure health monitoring subsystems are mutually connected through network equipment by using hardware interfaces, software interfaces of the plane structure health monitoring subsystems are standardized, the plane structure health monitoring subsystems are managed, and data generated from the plane structure health monitoring subsystems are processed and visualized. According to the device and the method, multiple sensors are uniformly scheduled, the data are fused, processed and managed, remote monitoring is achieved, and the monitoring efficiency and the level are greatly improved.