127results about How to "Guaranteed reusability" patented technology

The invention discloses a multi-strategy commodity recommendation system basing on context information. The recommendation system acquires the operation information of a user through an information acquisition part which is operated by the user, analyzes the operation action of the user and establishes the interest description model of the user. During the interaction process between the user and an electronic commerce website, a recommendation strategy fitting the present user and the context information of the system is dynamically selected according to a strategy selection rule. The recommendation strategy describes and generates a personalized commodity recommendation list according with the interest and the requirement of the user according to the interest of the user. Through the selection of the recommendation strategy, the multi-strategy commodity recommendation system basing on context information improves the adaptability of the system to various applications and system dynamic changes. And compared with the existing recommendation system, the multi-strategy commodity recommendation system basing on context information is improved in the recommendation quality, the recommendation scale and the recommendation performance.

The invention provides a data correlation query device and a data correlation query method. The data correlation query device comprises a data acquisition unit, an SQL (structured query language) execution unit, a cache number-picking formula construction unit and a cache execution unit. The data acquisition unit is used for obtaining a fundamental field of a fact table and selecting a field of a dimension table based on the fundamental field to be used as an correlation field for correlation of the fact table and the dimension table; and the SQL execution unit is used for implementing query operations through SQL statements based on the fundamental field and a datasheet with the fundamental field, and obtaining a result set; the cache number-picking formula construction unit is used for obtaining a main key value corresponding to the correlation field from the result set, and constructing a cache number-picking formula in combination with a data path with the correlation field; and the cache execution unit is used for obtaining the value of the correlation field according to the cache number-picking formula and combining the value of the correlation field and the result set to obtain final query results. The fact table and the dimension table can be associated efficiently, results can be implemented efficiently, the fatal pressure on the system caused by correlation query of the fact table and the dimension table with a large number of data can be avoided, and the efficiency can be improved.

The invention discloses a method and device for calculating a sub pixel motion vector based on an H264 protocol. The device is used for calculating the sub pixel motion vector of a macro block, and comprises a buffer unit, a main control unit, a reference frame reuse and maintenance unit, an SAD cost calculation unit and an SAD cost selection unit. In the process of calculating the sub pixel motion vector of the H264 protocol, an original block pixel is obtained based on the size of a 16 x 16 block, so that the reusability of original block pixels of a 8 x 8 block and a 4 x 4 block can be guaranteed; and when acquiring a reference block pixel, a corresponding relationship between integer pixel motion vectors is recorded according to the reference frame reuse and maintenance unit, reference block pixels of different sub-blocks of the integer pixel motion vectors are acquired selectively, and reference block pixels of the same integer pixel motion vector are not acquired repeatedly, so that the reusability of a reference pixel can be greatly improved, the calculation efficiency of the sub pixel motion vector can be improved, the power consumption can be saved, and the hardware cost can also be saved.

The invention discloses a virtual debugging system based on an OPC UA industrial communication protocol. Modules of the virtual debugging system are mainly divided into a data acquisition layer, a data interaction layer and a simulation equipment layer. The data acquisition layer comprises an industrial robot, a PLC and an OPC UA acquisition module; the data interaction layer comprises a data processing module, a Redis database module and an interaction interface module; the simulation equipment layer comprises a RoboDK simulation robot and a RoboDK simulation machining center; the data acquisition layer acquires output data of the PLC and the industrial robot through an OPC UA protocol, transmits the data as input to the data interaction layer, and writes the data transmitted by the datainteraction layer into equipment; the data interaction layer transmits data into the simulation equipment layer according to a data address configured by the interaction interface module and transmitsthe data of the simulation equipment layer to the data acquisition layer; the simulation equipment layer transmits data of the data interaction layer to the simulation model through an API, and transmits a signal of simulation equipment to the data interaction layer; and the system completes a virtual debugging function by controlling input and output of the simulation equipment.

Disclosed is a people's livelihood service mobile application platform system based on cloud computing. The whole framework of the platform system is divided into an infrastructure layer, a network transmission layer, an information resource layer, an application supporting layer and a service application layer, and simultaneously comprises two guarantee systems including a management system and a security system, as well as a government information interface and a third-party service interface. The application platform system has the basic thought of unified framework, unified support and unified management. By integrating existing information resources and appreciating sharing of mobile application running information and coordination of services, integration and sharing of information are realized.

The invention provides a waste circuit board disassembling processing method for recycling components and pertains to the field of components recycling. The invention is characterized in that: according to the type of circuit board baseplate and the model of components, circuit boards of non-thermostable components without high electrolytic capacitance are respectively baked below 200 degrees so as to eliminate components connected in a non-welded way and straighten the pins of plug-in components to be eliminated; then according to the melting point of solders used by the circuit board, the heating temperature curve is designed under the set heating way and heating rate so as to fully melt the solders and separate the components from the circuit board under the external force. Meanwhile, integrated circuit chips to be recycled is subjected to appearance check, residual solder elimination, repair of pins or welding discs, appearance cleaning and baking and finally electric performance test. The invention effectively avoids the damages of disassembly at high temperature to the appearance, dimension and performance of components and ensures the reusability of components through appearance repair and performance test.

The invention provides a microblog rumor recognizing method and system based on propagation structures. The microblog rumor recognizing method includes the steps that according to the machine learning method of a support vector machine, feature data of information features, user features and propagation features of microblogs serves as data, a graph kernel function is calculated with a random walking method, and a support vector machine model is accordingly built in cooperation with a classical radial basis kernel function and used for recognizing rumor; each microblog is represented with a propagation tree and a feature vector, wherein the propagation trees are used for representing the propagation structures in the propagation features, and the dimensions of the feature vectors are the information features, the user features and the propagation features of non-propagation structures; when the microblogs are recognized, the to-be-recognized microblogs are classified through the support vector model built with a model building module, and whether the to-be-recognized microblogs are rumor or not is judged according to the classification result. According to the microblog rumor recognizing method and system, due to comparison of the propagation structures of microblog information, the microblog rumor identifying accuracy and the microblog rumor recalling rate can be greatly increased.

The invention discloses a testing method and the device for the software system, being compliant in the software system based on the common object request broker architecture(CORBA), the method comprises: setting a base data; setting a corresponding testing script for the IDL interface of the CORBA; determining a data templet according to the base data; when testing, the base data is inputted to the CORBA software system, the IDL interface of the CORBA software system outputs a testing data driven by the testing script; comparing the data templet and the testing data, determining the comparing result. The testing device comprises: a base data collecting unit, a testing script interpreter using the testing script to drive the IDL interface, and a data processing unit for comparing the data templet and the testing data. The invention uses a separating mechanism implemented by the IDL interface definition of the CORBA and the IDL interface to implement the auto testing of the software in a script driving way, which can enhance the testing efficiency and reduce the testing cost.

The invention discloses a universal cockpit display management system. The universal cockpit display management system comprises a universal computer calculation module which runs the following program modules of: a file conversion module, a definition file parsing module, a run-time command processing module, an interactive event management module, an icon management module, a built-in icon library module, an extension icon library module, a system configuration information management module, an exception management module, an extension icon management module, a hardware interface layer and an OpenGL (Open Graphics Library) icon display library; and the universal cockpit display management system is a universal display system which supports ARINC 661 (Aeronautical Radio Incorporated 661) standard, supports the extension of user-defined icons and supports the display application of Various types of civilian and military aircrafts. According to the invention, the problems of lower reusability, difficulty in extension and high cost for certification of the traditional domestic airborne display software, are solved, the reusability and the extensibility of the airborne display software are improved, and the cost for verification and development of systems is effectively lowered.

The invention discloses a piloting simulator system and a simulation method. The system consists of a virtual cabin subsystem, a detection training subsystem and a telex control subsystem, wherein the virtual cabin subsystem comprises a left cabin steering control panel, a middle cabin instrument panel and a right cabin steering control panel around a piloting seat; a telex control subsystem is carried on the left cabin steering control panel; the telex control subsystem comprises a steering rod and a plurality of virtual sensors; a detection training subsystem is carried on the right cabin steering control panel; the middle cabin instrument panel sends instructions to the left cabin steering control panel and the right cabin steering control panel, and displays the instructions; parameter adjustment and detection and troubleshooting are realized between the detection training subsystem and the telex control subsystem; and fault information is displayed through the middle cabin instrument panel. The simulation method comprises the steps of setting attributes for controls, respectively compiling behavior codes and realizing all the basic functions, so that the expandability of system functions and the reusability of codes can be ensured.

The invention discloses an interaction method and system for Native and Web pages, and relates to the technical field of information interaction. Characters string judgment rules are customized at the Native end and written in the Web end, and therefore the Native end informs the Web end of information such as what the Native end can do, which parameters the Native end can receive and how the Native end handles with correspondence, it can be ensured that the business logic can be correctly executed by the Native end, new versions do not need to be issued when the Web pages frequently change, and therefore timeliness and reusability of the information are ensured.

The invention relates to a method for verifying the consistency of a dynamic behavior in a unified modeling language (UML) model and a time-sequence contract. The method is characterized by comprisingthe following steps: modeling according to the UML standard, including generating a UML state diagram and a UML sequence diagram, and then saving the metamodels of the diagrams; mapping the UML statediagram to a PROMELA code for the dynamic behavior of the model; establishing the time-sequence contract of the model to map the UML sequence diagram to an LTL temporal logical formula; utilizing a model verifying tool SPIN to verify the PROMELA code and the LTL temporal logical formula; and analyzing the returned SPIN verifying result. The technical scheme of the invention associates the unifiedmodeling language (UML) and the verifying tool together, solves the problem of model inconsistency arisen in the requirement and design stage of soft engineering and provides an effective basis for the subsequent development of model driving type software.

The BIM model resource management system provided by the invention comprises a BIM model resource library which is set up on a private cloud platform and is used for storing and managing BIM model resources; Wherein the BIM model resources comprise a BIM component and a BIM model; The webpage end is used for uploading to-be-uploaded BIM model resources to the BIM model resource library and managing and downloading the BIM model resources stored in the BIM model resource library; And based on a plug-in end of the Revit platform, downloading and calling the BIM model resources stored in the BIMmodel resource library, and creating a target BIM model. According to the BIM model resource management system, the confidentiality and safety of the BIM model resources are improved, unified management of the BIM model resources is achieved, and the management efficiency and the use efficiency of the BIM model resources are improved.

The invention discloses a system and method for quickly building an FPGA digital simulation model, and relates to the technical field of FPGA software verification. The method comprises the followingsteps: reading an RTL code of a tested piece, and extracting the name of the tested piece, the name, the bit width and the transmission direction of a port of the tested piece; generating a top-layercode file of the simulation model according to the acquired information; and in the top-layer code file of the simulation model, the tested piece module, the excitation generator module and the verification result detector are instantiated, the tested piece port is connected with the ports of the excitation generator module and the result detector module, and then a script file operated by the framework is created. According to the scheme, the establishment of the FPGA digital simulation model can be automatically realized, and the problem that the establishment of the existing FPGA software digital simulation model needs to be completed manually is relieved. And the generated simulation model follows a fixed mode, so that verification personnel are helped to quickly build the numerical simulation model, the consistency of codes among the projects is also helped, and the reusability of the codes is ensured.

The invention discloses a page based data query method. The method comprises the following steps: calling saving condition set module of a permission querying part and a public querying part; loading querying conditions; configuring the loaded querying conditions; and verifying and saving the querying conditions. The invention also discloses a data querying system, which at least comprises a calling unit, a loading unit, a configuring unit, a verifying unit and a saving unit, wherein the calling unit is used for calling the saving condition set module of the permission querying part and the public querying part; the loading unit is used for loading the querying conditions; the configuring unit is used for configuring the loaded querying conditions; the verifying unit is used for verifying the querying conditions; and the saving unit is used for saving the querying result set. Compared with the prior querying mode, the page based data querying method and the system thereof not only ensures that the querying range is not restricted, and the content of searched words and sentences are more flexible, but also has reusability which ensures the operation efficiency to be obviously improved.

Eccentric worm pump with at least one stator (1) composed of an elastic material and a rotor (2) which is mounted in the stator (1), wherein the stator (1) is surrounded at least in certain areas by a stator casing (3), characterized in that the stator (1) is in the form of a longitudinally split stator which is composed of at least two stator component shells (1a, 1b).

The invention discloses an automated testing method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining the first address information of a code management warehouse when an automated testing request is received; according to the first address information, obtaining a specified code corresponding to the automatic test request from a code management warehouse through a code management tool in a preset container cloud platform; generating an automatic test script corresponding to the specified code according to the specified code; pulling a preset Docker mirror image from the mirror image warehouse, and deploying the Docker mirror image in the container cloud platform; copying the automatic test script into a Docker mirror image in the containercloud platform to generate a corresponding pod; and executing the automated test script in the pod. According to the invention, the pod for automatic testing is generated by using the container technology and the mirror image technology, so that the reusability and maintainability of the testing operation environment of the automatic testing are effectively ensured, and the testing efficiency andthe testing stability of the automatic testing are improved.

The invention relates to a simulation resource model base management system and belongs to the field of computer distributed simulation technology and application. The simulation resource model base management system comprises a user safety management subsystem, a model preprocessing subsystem, a model database management subsystem, a model generation subsystem, a model sub-base management subsystem, a man-machine interaction subsystem, a model database, a user information database, a model sub-base and an item user information list. According to the simulation resource model base management system, the practical purposes of isomerism model compatibility, data interface normalization and the like are achieved, multiple functions of information collection, conversion, standardization, processing, management, sharing and the like are integrated, specific information retrieval development assistance and a specific resource management service are provided, the development and maintenance efficiency of the simulation system is improved, and the reusable performance of a model, the expandability of the system and the safety of data are guaranteed at the same time.

The invention includes following core points: dividing data into data groups; then, main system obtains check words in main and sub systems corresponding to each sub system data respectively; finally, main system compares words in main and sub systems corresponding to each sub system data; if consistent, then ending the check; otherwise, synchronizing the corresponding inconsistent data. Since data are divided into groups, the invention reduces amount of calculation, and amount of traffic in each checkup. Advantages are: easy for single-handed process, and raising flexibility of data check and synchronization process of main and sun system.

The invention discloses a 192 bit key expansion system and method based on an AES (Advanced Encryption Standard), which are used for mainly solving the problems of low efficiency and high power consumption of the traditional 192 bit AES encryption algorithm in a key expansion process. The method comprises the steps of: storing an initial key in a first turn of key expansion, taking the front four lines as turn keys of the turn of key expansion, carrying out word circulation, byte replacement and bitwise XOR operation; using results as the turn keys and storing the results in a local register and an external memory unit, reading by an encryption process; and finally, repeating the operation for the turn keys obtained in the former turn in each turn until all 12 turn keys are obtained, and ending the key expansion. The 192 bit secret key expansion system and method can be compatible with the instantaneity of the key expansion and the reusability of the turn keys, realize high-efficiency and low-consumption key expansion, and is suitable for a 192 bit key expansion process of the AES encryption algorithm.

The invention discloses a 128 bit secret key expansion system and a method based on an AES (Advanced Encryption Standard), which mainly solve the problems of low efficiency and high power consumption in a 128 bit secret key expansion process of an existing AES encryption algorithm. A realization process comprises the following steps of: storing an initial secret key at a first round of secret key expansion; using the stored initial secret key as a round secret key of the round; carrying out word circulation, byte substitution and bitwise XOR operation on the round secret key; storing the round secret key in a local register and an external storage unit simultaneously so as to be read by an encryption process; repeating the operation on the round secret key obtained through the former round; and finishing secret key expansion until 10 round secret keys are obtained. According to the 128 bit secret key expansion system and method based on the AES, the instantaneity of secret key expansion and the reusability of the round secret key can be ensured, the high efficiency and the low power consumption of secret key expansion are realized; and the system and the method can be applied to the 128 bit secret key expansion process of the AES encryption algorithm.

The invention discloses a transfer printing paper coating agent and a production method thereof. The transfer printing paper coating agent is prepared from a high-molecular polymer emulsion, inorganic nanoparticles, a dispersing agent, an emulsifier, a defoaming agent, a plasticizer, a fluorine-containing surfactant and water, wherein the high-molecular polymer emulsion is prepared from styrene, butadiene, methyl methacrylate, butyl acrylate monomer, an emulsifier, a crosslinking agent, an initiator, a reaction terminating agent and water. The production method of the transfer printing paper coating agent comprises the steps of: firstly, carrying out polymerization according to the components of the high-molecular polymer emulsion; and mixing the polymerized high-molecular polymer emulsion with other components of a coating agent to prepare the transfer printing paper coating agent. The transfer printing paper prepared by coating of the coating agent is long in quality guarantee period; the dye transfer rate and the pollution resistance of the coating can be improved; and the paper coating can be repeatedly utilized for a plurality of times after being cleaned and dried.

The invention discloses a hardware interface management method, is used for realizing a flexible calling mechanism and guarantees reusability and easy maintainability of a hardware interface. In the embodiment, a uniform interface method corresponding to hardware equipment of each hardware type is standardized, interface implementation for different hardware models corresponding to the hardware types is subpackaged into independent implementation files, then the implementation files are summarized to generate plural configuration templates, thus the automatic matching in a calling process can be realized. Meanwhile the hardware equipment of all hardware types in a hardware system are managed through a templated configuration mode, the templated and adaptable hardware interface management method can be realized, various configuration templates with different characteristics are formed so as to satisfy calling requirements of different business scenarios, the flexible calling mechanism is realized so as to guarantee the reusability and easy maintainability of the hardware interface. According to the hardware interface management method, the development and maintenance cost of the hardware system is reduced to a certain degree and meanwhile the function and service experience of the hardware system are enriched and improved.

The invention discloses a left / right-eye three-dimensional picture drawing method for a three-dimensional (3D) virtual scene containing a fuzzy reflection effect, and belongs to the technical field of drawing of 3D virtual scenes with sense of reality. The traditional left / right-eye three-dimensional picture drawing method for the 3D virtual scene adopts a mode of respectively and independently drawing image pictures of a left-eye virtual camera and a right-eye virtual camera to draw a three-dimensional picture. According to the method, drawing programs for the image pictures of the left-eye virtual camera and the right-eye virtual camera are respectively and simultaneously executed on a dual-core central processing unit (CPU), the image picture of the left-eye virtual camera is drawn from a first-row pixel, and the image picture of the right-eye virtual camera is drawn from a last-low pixel, so the reusability of calculation results of incidence radiant brightness during drawing of the image pictures of the left-eye virtual camera and the right-eye virtual camera are ensured. By an interpolation method based on gradient, the calculation results of the incidence radiant brightnessare reused during drawing. Compared with the traditional method, the invention has the advantages that: the speed of drawing the 3D virtual scene is increased by 20 to 35 percent.

The invention discloses a service-oriented group behavior parallel simulation method, aiming to solve the problems of long calculation time, poor scalability of simulation scale, poor reusability of simulation data and the like in the existing behavior simulation method. The technical solution is to first build a simulation software and hardware environment consisting of a scenario editor, a parallel simulation control server, each simulation node, and a rule analysis server; the scenario editor generates a scenario document; the parallel simulation control server generates a simulation application executable program; rule analysis The server constructs the behavior rule base and the task hierarchy planning diagram; the parallel simulation control server dispatches the simulation application executable program to start the simulation, and the rule analysis server provides task and rule analysis services; if the end event is intercepted, the simulation ends. The invention can speed up the development efficiency of group behavior simulation applications, improve the running speed of parallel simulation, enhance the real-time performance of simulation, make the simulation scale expandable, and the simulation data can be reused.

The invention discloses a locking and releasing structure driven by a shape memory alloy strip, and relates to the field of locking and releasing mechanisms. The locking and releasing structure drivenby the shape memory alloy strip further comprises a supporting frame and a locking mechanism, wherein the supporting frame comprises a sleeve and at least one supporting arm connected with the sleeve; the ejection piece is movably arranged in the sleeve; the locking assembly is suitable for limiting the movement of the ejection piece in the axial direction in a locking state and releasing the movement limitation on the ejection piece in an unlocking state; and the shape memory alloy strip is suitable for enabling the locking assembly to enter an unlocking state when powered on and enabling the locking assembly to enter a locking state when not powered on. The plane hook locking and releasing structure driven by the shape memory alloy strip has the advantages of being low in impact, shortin unlocking time, easy to reset, high in motion precision, low in friction, free of pollution and capable of being repeatedly used.

The invention discloses a submarine cable sealing device. The submarine cable sealing device comprises a protective sleeve, a sealing assembly and at least one pressure compensation assembly, wherein the protective sleeve comprises an open end allowing the end portion a cable to penetrate into, the sealing assembly is arranged at the open end of the protective sleeve to seal the open end, an airtight space used for accommodating insulating pressure-balancing media is defined inside the protective sleeve, at least one set of pressure compensation holes which is used for enabling the airtight space to be communicated with the outside world is formed in the protective sleeve, the pressure compensation holes are distributed on the circumference of the protective sleeve at intervals, the pressure compensation assembly is arranged inside the airtight space and comprises an elastic pressure compensation film, and the pressure compensation film covers the pressure compensation holes. The submarine cable sealing device can be separated from a submarine cable easily on the premise that the submarine cable is not damaged, and the problem that according to relevant technologies, a sealing device can not be used repeatedly after the sealing device is separated from the cable is solved.

The invention provides a method and a system for achieving self-adaptive hard disk backboard lighting through a CPLD. The method comprises: respectively controlling a plurality of hard disks to lightthrough reasonably designed circuits and logic language design; the CPLD sending different states through the hard disk; judging a corresponding LED state to be controlled; through the difference of data transmission between the hard disk and the master controller, the CPLD selecting corresponding lighting instructions, if a plurality of back plate modules are used on one machine at the same time,indicating LED state control of the backboard at an accurate position through different dial codes, address information and register information. Multiple types and configurations of multiplexing backboard lighting are realized, the utilization rate of a single board is improved, inventory management is reduced, income is improved, new material number application and material management are saved, original communication and data transmission are ensured, reusability is ensured, and the burden of a whole purchasing and inventory system is reduced.

The invention is suitable for the field of simulation and provides a method and a device for generating a simulation report in a simulation platform. The method comprises the following steps of: receiving a simulation request input by a user, wherein the simulation request comprises an excitation sequence identifier; searching an excitation sequence corresponding to the excitation sequence identifier from prestored excitation sequences; and generating the corresponding simulation report according to the searched excitation sequence. According to the invention, the multiplexing of excitation and the automation and standardization of the generation of the simulation report are implemented and the simulation efficiency is improved.

The invention discloses an expansion system and a method for 256-bit keys based on an advanced encryption standard (AES), and mainly solves the problems of low efficiency and high power consumption in a key expansion process in the existing 256-bit AES. The process includes storing an initial key in the first round of key expansion, taking the first four rows as a round key of the key expansion in the first round, and performing word cycle, byte replacement, and bitwise XOR operations; executing a new byte replacement and a secondary bitwise XOR operation according to serial number n; taking results of the two bitwise XOR operations as a round key and storing in a local register and an external storage cell for the usage of encryption process reading; and repeating the operations for round keys obtained in a former round in following rounds until 14 round keys are obtained, and finishing key expansion. According to the expansion system and the method for the 256-bit keys, instantaneity of key expansion and reusability of round keys are achieved simultaneously, key expansion with high efficiency and low power consumption is achieved, and the expansion system and the method are suitable for key expansion processes of the 256-bit AES.