31results about How to "Fix usability issues" patented technology

The invention relates to the technical field of copy-protection and anti-piracy of computer information security and data security, in particular to a process threading copy-protection system and a copy-protection storage medium. In the system, a copy-protection lead module, a copy-protection core module and a copy-protection loading decryption module are arranged in the copy-protection storage medium, and copy-protection information cannot be copied illegally under an arbitrary condition by virtue of cooperative operation of the three modules. The system is used for solving the problems of security, availability and usability of the information security copy-protection technology, and is applicable in multiple industries and fields, so that digital content is protected from illegal copy, stealing and piracy; the basic unit of the information security copy-protection technology is firstly locked as a process and a thread of a current basic execution unit in an operation system, and is combined with a corresponding copy-protection storage medium technology to expand all security defense lines, so that the aims of protecting data and media assets of users from illegal copy, duplication and piracy are achieved.

The invention discloses an anonymous collaboration method based on differential privacy under a MapReduce framework. The method combines an anonymous privacy protection technology with a differentialprivacy protection technology to improve the computation rate under the MapReduce framework; the method is used for solving contradiction between data availability and security, on the basis of the data anonymous privacy protection technology, a Laplace noise mechanism is added to strengthen privacy protection performance, and on the basis that a data set improves the data processing efficiency through the MapReduce framework, it is still maintained that data has high security and availability.

The embodiment of the invention discloses a method and device for generating self-defined services, computer equipment and a storage medium. The method includes the steps that a service interface obtains service requirement information; the service interface corresponds to multiple function points, the function points are correlated with a list of service plug-in instances, and the service plug-ininstances are generated through a plug-in configuration file corresponding to the service interface; the service interface obtains the service plug-in instances matched with requirement identity identifications in the list of the service plug-in instances corresponding to all the function points respectively, and obtains function point execution results corresponding to all the function points respectively according to the obtained service plug-in instances and requirement parameter information; the service interface combines the function point execution results corresponding to all the function points respectively to obtain a service processing result corresponding to the service requirement information. In the technical scheme, the method flexibly supports personalized requirements of all the services and fault isolation of all the services.

The invention discloses a data hiding method based on a Lagrange interpolation method and multiple clouds, which is applied in a system under a multi-cloud environment. The system comprises four parts: a user, a client, a data uploading layer, a data downloading layer and the clouds; before data are uploaded, an information segmentation algorithm of Reed Solomon erasure codes is used for segmenting the user data on the client, the Lagrange interpolation method is then used for carrying out information hiding on each block of segmented data, and finally, each block of data is stored in a different cloud storage. During data downloading, the data only need to be obtained from part of the cloud storages, the Lagrange interpolation method is first used for carrying out hidden information recovery on each block of data, and a recovery algorithm in Reed Solomon is then used for merging the data blocks to recover the original data. The data hiding method based on the Lagrange interpolation method and the multiple clouds solves the availability problem of services and the limitation of a single cloud storage; while reducing storage spaces, the usage of the Reed Solomon algorithm can tolerate the errors of the cloud storages; the usage of the Lagrange interpolation method solves the confidentiality problem of data, protecting the privacy of user data.

The invention belongs to the technical field of nuclear industry intelligent algorithm application, and particularly relates to a method for designing optimal PID parameters of a closed-loop control system of a nuclear power plant. The method comprises the following steps of: S1, determining the closed-loop control system and a controlled object needing PID parameter optimization; S2, performing nuclear power plant analogue simulation on a nuclear power plant design verification platform, and operating the closed-loop control system; S3, determining a model structure and model parameters of the controlled object, and identifying the controlled object by using a genetic algorithm to obtain model parameters for optimal identification; S4, carrying out PID parameter optimization by using a genetic algorithm to obtain the optimal PID parameters; S5, substituting the controlled object model and the optimal PID parameters into a closed-loop control system block diagram for simulation through mathematical software until the optimal PID parameters meet engineering index requirements; and S6, writing the optimal PID parameters meeting the engineering index requirements into an engineering design file. The PID parameters obtained by adopting the method can be applied to debugging and operation of the closed-loop control system of the nuclear power station.

The invention relates to a method and system for achieving the availability of an RMB cashier counter on a foreign trade e-commerce platform. The method is characterized in that through a process in which the RMB cashier counter monitors JOB (scripts), the availability of payment modes, including UnionPay payment, quick payment, third-party payment and platform account payment, can be automatically detected, and different processing procedures can be carried out according to different situations; if a bank payment mode is unavailable, whether a backup channel exists or not is detected; if the backup channel exists, automatic routing to a new bank of the backup channel is carried out for payment; and if the new bank payment mode is still unavailable, a bank payment icon is hidden. The method has the advantages that a client can freely choose an available payment mode during payment, and can give priority to the payment mode with the lowest cost, so that the user experience for foreign trade e-commerce platform payment is improved, client loss caused by slow payment and unsatisfactory experience on the platform is prevented, the availability of the RMB cashier counter on the foreign trade e-commerce platform is achieved, and operation risks of the platform are reduced.

The invention discloses a rule-driven collaborative interactive spatial layout automatic design method. The method is combined with human intelligence, an algorithm and priori knowledge to perform spatial automatic layout design. The method comprises the following steps that firstly, computerized rule extraction, encoding and modeling are performed on a redundant and regular layout process, and then a spatial layout scheme meeting constraint conditions in a self-driven manner is generated based on a computerized rule, so that the workload of a designer is reduced, and the designer focuses on ahigh-professionality design link. Then, a man-machine collaborative interactive optimization process is adopted, and the ubiquitous defects of availability, flexibility, attractiveness and the like of an existing computerized design method are overcome. According to the invention, the spatial layout design of a miniature old-age care institution is taken as an embodiment, an online automatic layout design platform iCareDesigner is designed, and a user can access the platform at a web end, input spatial feature description, generate a spatial design scheme by one key, and perform online interactive revision and optimization.

The invention discloses a data processing method and device and belongs to the field of databases. The method comprises: determining a to-be-processed data line in a data table; educing the to-be-processed data line in n batches; deleting the data line which is educed in each batch from the data table; or, deleting the data line from the data table after the data line is archived to another data table. According to the data processing method and device disclosed by the invention, the educed data line is deleted by virtue of multi-batch data educing operation and less data educing operation of each batch, so that the problem in the correlated technology that the usability of the database is affected by relatively long data deleting time is solved; and when the large-scale data is deleted or archived, the data table is not locked on a large scale, the pressure on the data table in unit time is relatively small and the performance of the data table is not affected, so that the effect of the usability of the data table is improved.

The invention discloses an electronic certificate ex-warehouse method based on an OFD format document format. The method comprises the following steps: selecting information needing to be added according to an ex-warehouse demand, and generating an impression picture with a specified size; generating standard seal data according to the signature password technical specification and the informationrequired by the signature password technical specification; detecting whether the generated seal data meets specifications and specification standard requirements or not; the user selects a positionwhere information needs to be added for ex-warehouse; verifying the PIN code of the key disk required by the user signature; stamping the newly generated seal at a specified position; generating standard signature data according to the signature password technical specification; and according to data specification requirements of an OFD format, generating the generated seal data and signature datato a specified position in the document. According to the invention, the validity of the signature data of the original electronic certificate is ensured, other instructions and information can be added during ex-warehouse, and new seal data can be synthesized again and stamped into the electronic certificate to be delivered.

The invention discloses a dynamic load balancing method and system based on dual queues and a registration center, and aims to ensure that an available service address can be got certainly when the service is available. According to the technical scheme, an available queue, an unavailable queue, the registration center and a timing mechanism are introduced, so that the availability of an address returned to a consuming end is ensured.

The invention discloses an interactive design method and system of a multidimensional data analysis system interface. The method comprises the following steps of step S1, defining the necessary elements in a page, wherein the necessary elements in the page comprise but are not limited to a business space classification entrance, a data measurement selection component, a data dimension-based screening component, a data time-based screening component, a data grouping component and a data presentation component; S2, dividing a service space based on a service space design method of an MOLDA model; S3, dividing the contents of the data metric selection component, the data dimension-based screening component, the data time-based screening component and the data grouping component into a plurality of blocks according to the division of the business space by the business space classification entrance; and S4, outputting a multi-dimensional data analysis result through the data presentation component.

The invention relates to a method and device for controlling the whistling of a train and a storage medium, which are used for solving the technical problems of high degree of automation and low usability and safety of an automatic train operation system because manual train whistling is needed in the prior art. The method for controlling the whistling of the train comprises the steps of obtainingtrain operation information; determining a whistling scheme according to the information; and sending a whistling command which corresponds to the whistling scheme to a target train, so that the target train whistles according to the whistling command.

The present invention is a dynamic password system and method based on a mobile communication terminal, which includes a mobile communication terminal and a dynamic password verification server; The password generation time is combined with a symmetric encryption algorithm to generate a dynamic password, and the dynamic password is output; the dynamic password verification server has: a dynamic password verification unit, which is used to obtain the dynamic password and solve the dynamic password from the dynamic password obtained. Password generation time, compare this dynamic password generation time with the current dynamic password verification server system time, if the two times are synchronized, then use the same algorithm as the symmetric encryption algorithm to generate a verification code, if the dynamic password is the same as the verification code If the verification codes are the same, the dynamic password passes the verification. Therefore, the cost problem of the hardware client and the time synchronization problem are solved, and the security of the system is guaranteed.

The invention discloses a renewable energy system based on current detection for a data center. The power supply system comprises an inter-system bus, one or more renewable energy systems and one or more second switches, wherein each second switch is coupled to one renewable energy system and is used for connecting the corresponding renewable energy system to the inter-system bus. The power supply system further includes one or more current detection circuits, each current detection circuit coupled to one renewable energy system to detect an output current of a corresponding renewable energy system. The power supply system further comprises a central controller coupled to the inter-system bus and configured to activate the corresponding second switch to connect the corresponding renewable energy system to the inter-system bus in response to the output current of the corresponding renewable energy system being higher than a predetermined threshold current, to provide renewable power to at least one of the one or more server clusters or storage systems.

The invention discloses an unmanned device key management system, method, device and equipment and a storage medium, a key management server obtains a request based on a key version carrying a token sent by an unmanned device, and sends a current version of a key to the unmanned device under the condition of judging that the token carried in the request has an obtaining permission; and when the unmanned device determines to update the key according to the current version of the key, the unmanned device requests to acquire the key of the current version from the key management server, and stores the key of the current version in the own security environment. It can be seen that in the unmanned device key management system and method provided by the present specification, the unmanned device stores the key sent by the key management server in its own secure environment, and even if the unmanned device is located in an area where communication signals are poor, the key stored in its own secure environment can be used, thereby improving the security of the unmanned device. The problem of availability of the secret key when the unmanned device is in signal disconnection is solved.

The invention relates to a central module (1) for a modular vehicle (100). The module is characterized in that it comprises, on either side of a loading surface (10), a first end (IA) having a first junction surface (11) and a second end (IB) opposite said first end (IA) having a second junction surface (12) that is symmetrical nonparallel to said first surface (11), each of the latter designed to be capable of complementarily engaging with a complementary junction surface (23) of a side module (2) capable of engaging with the central module (1) by buttressing assembly. The invention relates to a modular vehicle (100) comprising such a module (1). The vehicle is characterized in that the latter is assembled, at each end (IA; IB) thereof, to a side module (2), one side module comprising means for running on the ground (30). The invention relates to a train of vehicles comprising such a vehicle (100).