42results about How to "Address usability" 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 a rolling bearing fault diagnosing method and equipment based on CEEMDAN and CFSFDP, belonging to the field of fault diagnosis of rotary machines. The method comprises the steps of acquiring vibration signals of a bearing in a normal state and different fault mode states so as to obtain sample points of the vibration signals of different states, decomposing by using CEEMDANto obtain time and frequency domains characteristics of bearing diagnosis and screening out bearing state representation parameters along with the time domain and frequency domain characteristics, dividing the representation parameters into training samples and a test samples, then using a table CFSFDP algorithm as a bearing fault diagnosis model, inputting the training samples into the bearing fault diagnosis model, clustering output results, obtaining clustering amount, clustering center points of each type, and state types corresponding to the clustering center points, and inspecting the trained diagnosis model by using test samples. The method and equipment can identify different bearing fault types and fault degrees accurately and effectively.

The invention discloses a cross-platform unified big data SQL (Structured Query Language) query method, which comprises the following steps of: expanding part of SQL semantics, and providing a unifiedcross-platform SQL query language for a user; enabling a unified SQL parser to parse the query statement submitted by the user into a logic query plan, and verifying the legality of the query statement according to the meta information stored in the unified meta database; enabling a cross-platform optimizer to optimize the structure and the connection sequence of the logic query plan and convertthe logic query plan into an optimal physical execution plan composed of a plurality of sub-queries bound with an execution platform; enabling a cross-platform scheduler to convert the optimal physical execution plan into a task flow graph, automatically schedule the task flow graph according to the dependency relationship among the tasks and execute all the tasks; designing a unified platform layer interface meeting cross-platform SQL query requirements, and shielding operation differences between different execution platforms. The cross-platform unified big data SQL query method solves the problems that an existing cross-platform query method is poor in usability, low in performance, large in data migration cost and the like.

The invention brings forward a rolling bearing fault diagnosis method based on improved fractal box dimensions and a self adaption gray correlation theory. Fault characteristics (including useful and easy-to-differentiate information capable of reflecting different working states of a bearing) are extracted from bearing vibration signals via the improved fractal box dimensions, and fault types and different orders of severity of bearings can be automatically identified via self adaption gray correlation algorithms. The rolling bearing fault diagnosis method is used for solving a problem that work and health states of rolling bearings cannot be easily assessed via traditional time domain and frequency domain methods; via the rolling bearing fault diagnosis method, fault types and different orders of severity of different bearings can be accurately and effectively identified.

The invention proposes a vehicle fault inquiry system which comprises multiple node controllers, a display module and a fault inquiry controller. The multiple node controllers are respectively corresponding to multiple control sub-systems of a vehicle and are used for generating diagnostic messages and transmitting the diagnostic messages through CAN buses. The display module which is used for displaying an inquiry menu aiming at the multiple node controllers, receiving inquiry commands aiming at the inquiry menu, and generating inquiry messages according to the inquiry commands and transmitting the inquiry messages through a CAN bus. The fault inquiry controller is used for receiving the diagnostic messages and the inquiry messages, acquiring corresponding diagnostic messages according to the inquiry messages, and transmitting fault information in the corresponding diagnostic messages to the display module for displaying. The system can perform automatic diagnosis in advance, can perform early and real-time diagnosis, and at the same time can prevent faulty operation caused by misjudgment of faults during a maintenance process. A vehicle fault inquiry controller and a vehicle are also provided.

The invention discloses a method, device and system for identifying a health degradation state of a mechanical device, belonging to the field of mechanical state monitoring and health degradation state identification. The method for identifying the health degradation state of the mechanical device comprises the following steps: obtaining multiple monitoring signals of the mechanical device; extracting time domain features, power spectrum features and eigenmode energy features of the monitoring signals; then using a GSOM network to fuse the above features to obtain a fusion feature; then constructing a GenSVM model, and training the GenSVM model by means of the above fusion feature data, so as to obtain a test model; and finally, performing real-time collection on the multiple monitoring signals of the mechanical device to be tested, obtaining the fusion feature of the above signals, and inputting the fusion feature data into the test model to obtain a health degradation state identification result. The method for identifying the health degradation state of the mechanical device disclosed by the invention and the device and system based on the method for identifying the health degradation state of the mechanical device can accurately identify the health degradation state of the mechanical device in real time, realize real-time monitoring of the mechanical device state, and ensure the secure, stable and long-term operation of a numerically-controlled machine tool.

The invention discloses an identity recognition success rate improvement method, an intelligent door lock, an entrance machine and a server and belongs to the field of intelligent door locks. When themethod is applied to the intelligent door lock, the method comprises the following steps: receiving user identity information; adjusting and reducing a pre-set false rejection rate. When the method is applied to the entrance machine or the server, the method comprises the following steps: judging whether received first identity information is a user of a present unit or not; if so, acquiring thecorresponding user identity information according to the first identity information, sending the user identity information. According to the embodiment of the invention, the entrance machine is combined to dynamically adjust and reduce the false rejection rate of the intelligent door lock when the user reaches home and needs to open the intelligent door lock, so that the contradiction between thefeasibility and safety of the intelligent door lock of a biological identification system is effectively solved; when the safety is ensured, the feasibility is also very high and the unlocking experience of the user is improved.

The invention discloses a method for automated visualized presentation based on data structure identification. The method comprises the following steps: receiving data input, through data structure description rules, generating data structure description information of input data; according to the data structure description information, extracting structure characteristic vector information of the data; identifying the extracted data structure characteristic vector information, hereby obtaining graph configuration matched with a characteristic vector; according to graph configuration information, generating multi-graph layout and obtaining a visual graph. On the other hand, the invention also provides a presentation system for realizing the method, users do not need to select a visual representation of the data according to experience, and the system begins with data structure of an analysis result. Through recognition and matching types of each dimension, contents and other information in the data structure, rational configuration is automatically performed on graphs, layout is automatically planned, and a problem of usability in a conventional analysis result visualized presentation method.

The invention discloses a vehicle control system method and system based on a wireless sensor. The system comprises a sensor module, a vehicle host, and a cloud server, which are in networking and communication. The sensor module is arranged on a vehicle body and used for collecting motion parameters of all parts of the vehicle. The vehicle host is connected with the sensor module and used for receiving the parameters uploaded by the sensor module; the cloud server is connected with the vehicle host and the sensor module and used for receiving, processing and storing the parameters uploaded bythe vehicle host, generating an update package and then sending the update package to the sensor module. The sensor has the advantages that the flexibility of sensor replacement and the usability ofsoftware upgrading of the sensor can be achieved, the sensor is converted into a part easy to replace, and therefore structural optimization design of the whole vehicle can be facilitated, on the other hand, the intermediate cost is greatly reduced, and reduction of the cost of the whole vehicle can be facilitated.

The invention discloses a 3D guidance method comprising the following specific steps of 1) making a 3D scene model; 2) achieving a walking interactive function; 3) writing data into a device to form aguidance map; and 4) using the guidance map. The method achieves 3D space guidance. A user can quickly and efficiently find a route by moving in a real 3D environment. The method is easy to operate and has good guidance practicability and good experience.

The embodiment of the invention provides a security access control system communicated with a smart home. The security access control system comprises a home gateway, an access control machine and a cloud background server, wherein the home gateway is connected with the cloud background server, home internal equipment and a user terminal, the access control machine is connected with the cloud background server, and the cloud background server is arranged in a community estate and is connected with the home gateway and the access control machine. According to the system, the home gateway is utilized to enable the user terminal to interact with the background server, so that the security access control system is stronger in usability and more in functions, and the function extension of the security access control system is realized.

The invention provides a method, a system, equipment and a medium for solving a response type of multi-layer nested array data. The method comprises the following steps of: determining interactive array data and an interactive DOM (Document Object Model) in a main file; the interaction DOM is extracted and componentized, array data serves as a data source of the component to be transmitted in, and interaction service logic is packaged in the component; assigning values to the array data, monitoring changes of the array data, and updating page display. And in the component, after the component page data is changed, assigning the data value to the specified attribute of the data source object in time. Based on the method, the invention further provides a system, equipment and a medium for solving the multi-layer nested array data response. According to the method, the problem of multi-layer nested array data response is better solved, and meanwhile, the usability problem that a user cannot normally operate due to the fact that a page is continuously re-rendered when the number of response trigger events is large is solved. The problem of multi-layer nested array data response is solved in a modularization mode, and the readability and maintainability of codes are improved.

The invention discloses a theme market service data streaming system, which is characterized in that market information received from a plurality of exchange market information sources is effectively and uniformly processed, and a user obtains the market information of any exchange theme through a uniform entrance in a streaming management mode of theme market information service data, so that the maintenance cost of the user is greatly reduced. According to the technical scheme, the system comprises a market information system and a market information access system, the market information system is connected to market information services of all the exchanges, the market information of all the exchanges on the current day is stored in a data flow mode, and the market information access system is used for an accessor to be connected to the market information system through a unified entrance so as to subscribe required market information data. The market information system is provided with a market information adaptive plug-in and a market information forwarding core module. And a market information system application program interface is arranged in the market information access system.

The invention relates to a method for identifying a health degradation state of a rolling bearing. The method comprises the steps of: (1), obtaining a historical monitoring signal of the rolling bearing, pre-processing the monitoring signal, eliminating a singular value, and reducing noise; (2), respectively performing time-domain analysis, power spectrum analysis and CEEMDAN decomposition on thepre-processed monitoring signal, so that time-domain, power spectrum and intrinsic mode energy characteristics are obtained; (3), training a CSVM model by utilizing various characteristics of the monitoring signal; and (4), for the online real-time acquired monitoring signal of the rolling bearing, inputting the various characteristics obtained in the step (2) into the CSVM model trained in the step (3), so that the current health degradation state identification result of the rolling bearing is obtained. According to the method in the invention, the health degradation state of the rolling bearing can be identified precisely in real time; real-time monitoring on the state of the rolling bearing is realized; and thus, safe, steady and long-period operation of a numerical control machine tool is ensured.

The invention provides a one-to-many identity authentication system and method based on a dynamic password. The system comprises a subject, a plurality of objects and an authentication server; the subject is used for managing the plurality of objects, and when a certain object needs to be authenticated, generating a dynamic password corresponding to the certain object by using a dynamic password generation algorithm according to a subject key and an object unique identifier of the certain object, and transmitting the dynamic password to the certain object; the certain object is used for transmitting the own object unique identifier and the dynamic password transmitted by the subject to the authentication server; and the authentication server is used for generating a dynamic password corresponding to the object by using the same dynamic password generation algorithm according to the subject key and the object unique identifier, and confirming that the identity authentication of the certain object is successful when the generated dynamic password is consistent with the dynamic password transmitted by the object. According to the one-to-many identity authentication system based on thedynamic password provided by the invention, the safety and usability problems in a "one-to-many" password authentication scene are solved, and a safe and easy-to-use identity authentication method based on passwords is provided.

The invention discloses an external debugging device based on a high-speed serial port of a thermal power plant and a use method, the device comprises an embedded central processor, a memory, a network card, a memory, an FPGA and a high-speed serial port, the memory, the network card and the memory are all connected with the embedded central processor, and the embedded central processor and the high-speed serial port are both connected with the FPGA. According to the device, the FPGA is arranged and used for collecting serial port data, it is guaranteed that on the premise that the serial port communication rate is not reduced, communication data of the thermal power plant controller and an IO part can be intercepted in real time, and the actual communication state of the thermal power plant controller and the IO part is not affected. According to the invention, the embedded central processing unit realizes the function of high-speed serial port data debugging and packet capturing between the controller and the IO part.

The invention relates to the field of integrated circuits, in particular to a method for randomly switching working modes of a chip and the chip in the field of microcontrollers. The system comprisesat least a first working mode and a second working mode. When the chip receives the first signal, the chip sends the second signal; the first working mode is switched to the second working mode, the first signal is analyzed by at least a first analysis mode and a second analysis mode, the first analysis mode is a digital signal analysis mode, the second analysis mode is an analog signal analysis mode, and the problems of working reliability and usability are solved.