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44 results about "Digital protection" patented technology

Multi-dimensional storage system for cultural heritage archives

The invention discloses a cultural heritage file multi-dimensional storage system, which relates to the field of cultural heritage digital protection and intelligent storage and comprises a data acquisition and processing module, a double-library management module, a multi-dimensional index retrieval engine, a security and convergence module and a backup and disaster recovery module. According to the method, structured texts and unstructured files are uniformly accessed through various interfaces, a special tool chain is adopted for format standardization, audios and videos are transcoded into an H.264 / AAC format through FFmpeg, images are subjected to resolution adjustment and compression through ImageMagick, plain texts are extracted from texts through ApacheTika and are converted into UTF-8 codes, standardized data are uniformly converted into an intermediate format, and the format of the intermediate format is converted into the intermediate format. According to the technical scheme, the method comprises the following steps of: standardizing input data by adopting a three-layer duplicate removal strategy, facilitating other modules to receive data, performing refined redundancy processing on the standardized input data by adopting a three-layer duplicate removal strategy, remarkably reducing storage redundancy, partitioning a cultural heritage data main library according to three layers of ''project type-medium type-age'', and partitioning an inheritor information library according to two levels of ''province-inheritor number prefix''.
Owner:济宁市退役军人服务中心

Digital protection method for urban and rural historical and cultural blocks

The invention relates to the technical field of cultural heritage protection, and discloses an urban and rural historical and cultural block digital protection method, which comprises the following steps: acquiring multi-source data; preprocessing the data; fusing the data; data storage and management; dynamically updating the mechanism; and displaying the application. According to the urban and rural historical and cultural block data acquisition system, all-around and high-precision data acquisition of urban and rural historical and cultural blocks is realized, historical and cultural information of the blocks is comprehensively recorded, richer and more visual data support is provided for block protection and research, changes of the blocks can be reflected in time, and a reliable data basis is provided for long-term protection of the blocks. Through diversified application display modes, the cognition and protection awareness of the public to the historical and cultural block is improved, a scientific basis is provided for decision making of related departments, and reasonable development and utilization of the historical and cultural block are promoted.
Owner:肖虎

Non-abandoned collection model generation method and system based on GAN style constraint mechanism

The invention provides a non-abandoned collection model generation method and system based on a GAN style constraint mechanism, and relates to the technical field of digital protection and display of intangible cultural heritage. According to the method, the generative adversarial network is driven by integrating the user portrait data and the non-missing basic data, the artistic style is accurately controlled in combination with a style constraint mechanism, dynamic scene matching display is realized by utilizing an augmented reality technology, and the method has the advantages of improving non-missing digital modeling efficiency, enhancing user interaction experience and guaranteeing culture inheritance accuracy.
Owner:HUNAN VOCATIONAL COLLEGE OF SCI & TECH

Power grid regulation and control and relay protection semi-physical collaborative simulation training method and system

According to the power grid regulation and control and relay protection semi-physical collaborative simulation training method and system, through power grid-substation joint simulation and integrated fault driving, full-link fault simulation and response from the power grid level to the device level are achieved, and collaborative training of scheduling and operation and maintenance personnel is supported; multi-mode relay protection practical training equipment is constructed, a real device, a simulation device, three-dimensional digital protection and regulation alarm signal simulation are fused, functions of device practical operation, logic unvarnished transmission, abnormal injection, operation tracing and the like are supported through different training carriers, and different levels of training requirements are met; a dynamic power flow long-period time sequence simulation module is introduced, dynamic following of power grid loads and power generation plans is achieved, the development and recovery process of faults in a real power grid environment is simulated, the authenticity, the collaboration and the systematicness of power grid fault training are remarkably improved, and the training efficiency is improved. And a key technical support is provided for the cultivation of cross-professional co-processing capability under the background of a novel power system.
Owner:BEIJING KEDONG ELECTRIC POWER CONTROL SYST CO LTD

Intelligent interior design method and system based on AI corpus optimization

The invention relates to the technical field of building design, in particular to an intelligent interior design method and system based on AI corpus optimization, and the method comprises the steps: receiving an interior function partition demand input by a user, and obtaining a digital protection constraint set of a historical building; performing hierarchical filtering and weighting on the basic corpus based on the original structure reservation list and the building material reuse index to generate a dynamic optimization corpus; a neural network is generated through space, a topological structure diagram is constructed through spatial form feature vectors, structure conflict loss and material matching loss are fused to achieve scheme generation control, and a bidirectional traceability mapping relation between corpora and constraints is embedded; and the indoor space scheme is loaded to the historical building BIM model, and highlighting of the protection area, real-time violation detection and traceability report output are realized through a VR interaction interface. According to the method, intelligent generation, compliance verification and interactive correction of the historical building interior design scheme are realized, and the design efficiency and protection consistency are effectively improved.
Owner:WUXI THINKERX SOFTWARE

Digital protection and display method and system for national architectural cultural heritage

The invention belongs to the technical field of cultural heritage digital protection, and discloses a national building cultural heritage digital protection and display method and system, and the method comprises the steps: rapidly and efficiently obtaining building data through an unmanned plane inclined scanning technology, generating a model through M3D, and carrying out the restoration through a mature BIM technology, the historical literature, the space structure, the material color, the building symbols and the like of the ethnic building are reviewed in the digital virtual space from the perspective of time and space, so that the digital twin ethnic building regional system is expected to be realized, and the digital twin ethnic building regional system is practically applied to building management, cultural transmission, industrial upgrading and the like. By utilizing new information technologies such as cloud computing and big data, high integration of a protection technology and a display technology is realized, the authenticity of a digital model is continuously promoted through a brain hole experiment, a Guizhou ethnic architectural cultural heritage digital twinning system is constructed, and the application range of subject research is expanded.
Owner:GUIZHOU BUSINESS SCHOOL

A method, device, equipment and medium for restoring digitized ancient Chinese book images

The present invention discloses a method, device, equipment, and medium for digital restoration of ancient Chinese book images, wherein the method includes the following steps: obtaining an image of an ancient book with missing text and original text data corresponding to the image of the ancient book; using a preset Chinese character detection model to obtain the positioning frame coordinates of all text on the ancient book image, checking the missing positions on the original image based on the positioning frame coordinates and the original text data, and obtaining the positions of the text that needs to be repaired; obtaining the writing style in the ancient book image, and generating a text image of the corresponding writing style based on the text that needs to be repaired; performing pixel-level segmentation processing on the generated text, and pasting the text image at the corresponding position on the ancient book image based on the obtained position of the repaired text. The present invention is the first to propose a technical solution for digital restoration of ancient books, which can effectively save a lot of manpower and time costs required for digital restoration of ancient books. The present invention can be widely used in the field of digital protection of ancient books.
Owner:SOUTH CHINA UNIV OF TECH

Traditional village culture digital protection method and system

The invention relates to a traditional village culture digital protection method and system, and relates to the field of digital technology, and the method comprises the steps: obtaining a building shooting image shot by an unmanned aerial vehicle and a specific shooting position corresponding to the building shooting image; determining an image recognition state according to the building shot image, and determining an actual damage position according to the specific shooting position and the building shot image when the image recognition state is consistent with the damage state; determining a contrast shot image according to a web crawler technology and image similarity calculation, and determining a contrast mapping image in the contrast shot image; determining an image conflict value according to any two contrast mapping images, and concluding the contrast mapping images according to the image conflict value to determine an image conclusion set; and determining an effective contrast set in the image induction set, and updating the building shooting image according to the effective contrast set for digital building model construction. The method has the effect of improving the traditional village architectural culture protection effect.
Owner:WENLING PLANNING & DESIGN INSTITUTE CO LTD

Huizhou woodcarving pattern database system

The invention relates to the technical field of digital protection of intangible cultural heritage, in particular to a Huizhou woodcarving pattern database system. The system comprises a pattern library construction module, a personalized pattern generation module, a 3D pattern mapping module, an AR interaction module and a real object customization module, and digital acquisition and intelligent generation of patterns are realized by uploading woodcarving pictures by a user and extracting line drafts and generating cultural labels by using AI. The system also supports the mapping of the pattern to the surface of the 3D object and the preview of the application effect through the AR technology, and finally can be converted into real object sculpture. The technical bottleneck of traditional non-abandoned protection can be broken through, inheritance and commercialization development of the Huizhou wood carving culture are promoted, and digital conversion and innovative application of cultural assets are achieved.
Owner:HEFEI UNIV OF TECH

Digital museum platform system and method based on future network / FN and OV overlapping multiplexing and FN / M virtual-real routing

The invention discloses a digital museum platform system and method based on future network / FN and OV overlapping multiplexing and FN / M virtual and real routing, and belongs to the crossing field of digital museum and future network technologies. The system comprises a data acquisition layer, an OV overlapping multiplexing layer, an FN / M virtual-real routing scheduling layer, a digital twinning core layer, a multi-element application layer and a safety guarantee layer, and digital protection, immersive display and interactive experience of museum exhibits are realized through multi-terminal full-dimensional data acquisition, dual-network OV transmission, intelligent routing scheduling and digital twinning modeling. The method is executed according to six steps of data acquisition, transmission, scheduling, service, application and security, and solves the problems that an existing digital museum is low in transmission efficiency, poor in routing adaptability, weak in scene expansibility, insufficient in security protection and the like. According to the invention, the transmission time delay is reduced, the resource utilization rate is high, multi-theme venue expansion and standardized scheme output are supported, and core technical support is provided to adapt to various digital museum construction requirements.
Owner:陈明 +1

Children spreading and displaying method and system for traditional culture of ancient building

The invention relates to the technical field of cultural heritage digital protection, and discloses an ancient building traditional culture child propagation display method and system, and the method comprises the steps: carrying out the topological modeling of a child interaction terminal in a target display region, and generating a network adaptation state map; performing semantic migration coding on the network adaptation state map to generate a display resource dynamic fragment index; executing time sequence mapping on the dynamic fragment index through a cross-layer delay tolerance scheduling module, and constructing a resource adaptation instruction list; mapping the resource adaptation instruction table into an edge cache buffer unit, triggering a multi-step redundant breakpoint continuous playing mechanism, and reconstructing a display content distribution path diagram under the weak network; and constructing a display risk response sequence based on a content flash trend critical point appearing in the distribution path diagram, and generating a display interaction entropy leveling instruction. The method has the advantage that the weak network adaptation capability of the child display system in the remote area is improved.
Owner:安徽职业技术学院

Digital protection control system and digital protection control method

To solve the problem in which: in a protection control system in which a MU and an IED are separated from each other, when a sampling period of the MU and the period of processing executed by the IED are different from each other, desired characteristics as the IED may not be obtained.SOLUTION: A digital protection control system has a first digital filter, a second digital filter, and a protection control operation unit. Upon input of first data obtained by sampling a measured value of an electric power system with a first sampling frequency, the first digital filter removes a folding component at the first sampling frequency from the first data and outputs second data obtained by sampling the measured value with a second sampling frequency. Upon input of the second data, the second digital filter removes a low-order harmonic component of the electric power system included in the input second data. The protection control operation unit performs protection control processing on the electric power system on the basis of the second data from which the low-order harmonic component is removed, and outputs a result of the processing.SELECTED DRAWING: Figure 1
Owner:HITACHI LTD

Intangible cultural heritage digital protection system and method

The invention provides an intangible cultural heritage digital protection system and method, and relates to the technical field of digital protection. The intangible cultural heritage digital protection system comprises a digital recording and storage module, a digital platform and database module, an interactive digital display module, a cultural inheritance and education module, an artificial intelligence and big data analysis module and a cultural heritage propagation and protection module. And the digital recording and storage module comprises a video and audio recording unit which is used for recording a traditional artistic expression form through high-definition camera shooting and high-quality recording equipment. According to the invention, the details of intangible cultural heritage can be accurately recorded by using high-precision digital acquisition equipment such as a high-definition camera and professional audio recording equipment, and new possibility is provided for inheritance of the cultural heritage through high-precision recording and storage, an innovative display and interaction mode and a globalized transmission means.
Owner:YUNNAN OPEN UNIV

An interactive simulation system for folk rituals

This invention belongs to the field of folk culture and digital technology protection, specifically relating to an interactive simulation system for folk rituals. Addressing the problems of low user participation, difficulty in reflecting role differences, and lack of effective control over ritual processes in existing digital display methods of folk rituals, this invention provides a folk ritual simulation system based on a multi-role interaction and evaluation mechanism. The system includes a backend control center, a ritual process modeling module, a role configuration module, a ritual interaction simulation interface, a role association evaluation module, a process control module, and a result generation module. By modeling the folk ritual process in stages, it guides user roles with different ritual responsibilities to participate in interactive operations and determines role associations based on user interaction behavior to control the orderly progress of ritual process stages. Ultimately, it generates simulation result information corresponding to the folk ritual, thereby achieving interactive simulation, learning experience, and digital protection of folk rituals.
Owner:QINGDAO UNIV OF TECH

Semiconductor switch controller and digital protection device with same

The invention discloses a semiconductor switch controller and a digital protection device with the same. The semiconductor switch controller includes an attenuation circuit and a control circuit. The attenuation circuit connects the first end and the second end of the semiconductor switch. The attenuation circuit attenuates voltages of the first end and the second end of the semiconductor switch to form a first attenuation voltage and a second attenuation voltage respectively and outputs the first attenuation voltage and the second attenuation voltage to the control circuit. The control circuit determines an over-temperature critical value, an over-voltage critical value and an overload critical value according to a plurality of set voltages, and the over-temperature critical value, the over-voltage critical value and the overload critical value are respectively used for controlling the semiconductor switches.
Owner:NIKO SEMICON

Generation method and system of Qiang product, computer equipment and storage medium

The invention provides a Qiang product generation method and system, computer equipment and a storage medium, and belongs to the field of digital protection and innovative design of intangible cultural heritage, and the method comprises the steps: collecting sheep totem literature records and artificial Qiang handicraft real objects, and extracting a vectorization feature curve and process visual features by using an improved Mask R-CNN model; performing three-level coding on the basis of a rooting theory, and constructing a Qiang culture gene bank containing visual features, semantic features and translation rules; converting the gene bank into a cue word matrix in combination with a shape grammar rule, designing an intention graph and a creative sketch, and inputting the intention graph and the creative sketch into an AIGC model to generate a candidate scheme set; and dynamically adjusting AIGC model parameters through a multi-strategy enhanced escape algorithm, and finally outputting an optimal design element and generating a Qiang product. Accurate extraction and intelligent translation of Qiang culture genes are achieved, culture inheritance accuracy and design innovation efficiency are both considered, and intelligent transformation from protection to innovation of the Qiang culture genes is promoted.
Owner:SHAANXI SCI TECH UNIV

A digital preservation system and method for folk culture

This invention belongs to the interdisciplinary field of folk culture and big data technology, and discloses a digital protection system and method for folk culture. The system comprises five core modules, forming a closed-loop process: a folk culture uploading and administrator review module allows users to upload information in text, audio, and video formats, with administrators reviewing it intuitively according to cultural characteristics; a big data analysis and tracing module constructs a database through multi-path web crawlers, extracts multi-dimensional features, and establishes a tracing network to accurately determine the origin and connections of culture; a regional folk culture analysis module constructs regional feature datasets and mines cultural background; a digital display and database module realizes data classification management, cloud storage, and diversified display, supporting retrieval and sharing; and a folk culture education module provides diversified courses, knowledge graphs, gamified interactions, and VR / AR immersive experiences, adaptable to different learners. This invention provides an efficient solution for the digital inheritance of folk culture.
Owner:QINGDAO UNIV OF TECH

Digital protection relay and its maintenance management system

To provide a digital protection relay having a continuous monitoring function which enables preventive maintenance.SOLUTION: In a digital protection relay 100, an arithmetic processing unit 30 performs protection relay calculation by using a measurement value of quantity of electricity, which is digitally converted by an analog input unit 20. The arithmetic processing unit 30 performs continuous monitoring processing on at least an input conversion unit 10 and the analog input unit 20 during idle time of protection relay calculation. The arithmetic processing unit 30 determines the input conversion unit 10 or the analog input unit 20 to be malfunctioning when an abnormality determination condition, that a determination value calculated by using the measurement value of the quantity of electricity digitally converted exceeds a threshold, continues for specified time, and records information indicating a deterioration degree of the input conversion unit 10 or the analog input unit 20 when the continuation time of the abnormality determination condition does not reach the specified time in continuous monitoring processing.SELECTED DRAWING: Figure 1
Owner:MITSUBISHI ELECTRIC CORP

Self-adaptive data interface for BMS (Battery Management System) on chip and working method

The invention discloses a self-adaptive data interface for a BMS (Battery Management System) on chip and a working method, and belongs to the technical field of integrated circuits and battery management. The analog front end is connected with the digital protection unit through the self-adaptive data interface, the self-adaptive data interface adopts a multiplexing ADC architecture or a special ADC architecture for the battery unit, the activated units (including the battery unit and the additional monitoring unit) are dynamically identified, a data transmission channel can be adaptively configured, and the data transmission efficiency is improved. The transmission blank is reduced to the maximum extent, the interface efficiency is improved, a large amount of blank data does not need to be screened and filtered, the received compact data stream can be directly processed in real time, and the data delay is greatly reduced.
Owner:INCORE MICRO TECH (WUXI) COM LTD

Character area dynamic segmentation method and system under interference of ancient book seal

The invention belongs to the technical field of digital protection and computer vision, and discloses a method and a system for dynamically segmenting a character area under the interference of an ancient book seal, and the IoU value of the character area is improved to 0.91, and is remarkably improved compared with 0.68 of a traditional U-Net method. Secondly, the OCR error rate is reduced to 4.2% under 10% noise interference, while the error rate of a traditional method is 12.5%. The single-page processing speed is also greatly improved, the single-page processing speed is 1.8 seconds in the method, and the single-page processing speed needs 5.4 seconds in the traditional method. In addition, the demand for labeling samples is remarkably reduced, and more than 50 pages required by a traditional method are reduced to only 5 pages. By introducing a dynamic mechanism, the adaptive capacity of the model is enhanced, and the segmentation strategy can be automatically adjusted according to seal characteristics (such as colors and positions) in the image, so that the method adapts to diversified seal interferences of ancient books with different sources and different periods.
Owner:CHENGDU UNIV OF INFORMATION TECH

Intelligent indexing and knowledge graph automatic construction system for ancient literature

The invention discloses an intelligent indexing and knowledge graph automatic construction system for ancient literatures, which relates to the technical field of digital protection and intelligent development of ancient literatures, and comprises a data preprocessing layer, an intelligent indexing layer, a knowledge graph construction layer and an application service layer, the data preprocessing layer is used for receiving and preparing ancient document-oriented original data required by subsequent processing; the intelligent indexing layer is used for extracting structured knowledge units from the preprocessed original data text to form triple data; the knowledge graph construction layer is used for integrating triple data into a knowledge graph after ontology mapping and standardization and knowledge fusion and alignment processing; and the application service layer is used for executing semantic retrieval, intelligent question and answer, relation visual exploration and knowledge card and recommendation services based on the constructed knowledge graph. According to the method, referential blue and experience are provided for subsequent large-scale ancient book mapping knowledge domain engineering.
Owner:HENAN UNIVERSITY

A traditional village culture digitization protection method and system

The application relates to a traditional village culture digital protection method and system, and relates to the field of digital technology, which comprises the following steps: acquiring building shooting images shot by a UAV and specific shooting positions corresponding to the building shooting images; determining an image recognition state according to the building shooting images, and determining a damage actual position according to the specific shooting positions and the building shooting images when the image recognition state is consistent with a damage state; determining a contrast shooting image according to a network crawler technology and image similarity calculation; determining an image conflict value according to any two contrast mapping images, and inducting the contrast mapping images according to the image conflict value to determine an image induction set; determining an effective contrast set in the image induction set, and updating the building shooting images according to the effective contrast set for digital building model construction. The application has the effect of improving the traditional village building culture protection effect.
Owner:WENLING PLANNING & DESIGN INSTITUTE CO LTD

Digital protection method for engineering cost information

The invention relates to the technical field of data protection, and provides a digital protection method for project cost information, which comprises the following steps: acquiring a worker workload sequence; according to the progress increment and the overall preset usage amount, the effective usage amount of the project early-stage scanning moment is obtained, and then the loss rate of the project early-stage scanning moment is obtained; obtaining a loss change rate according to the loss rate; according to the loss change rate, obtaining the loss rate at the later scanning moment of the project; according to the ex-warehouse amount and the loss rate, the effective usage amount of the project at the later scanning moment is obtained; obtaining an effective cost sequence according to the effective usage amount and the cost unit price; obtaining the authenticity of the encryption time period according to the worker workload sequence and the effective cost sequence; and performing encryption protection on the to-be-encrypted engineering data according to the authenticity of the encryption time period. According to the invention, encryption with different complexities is carried out for different encryption time periods according to authenticity, so that the overall encryption efficiency is improved.
Owner:BEIJING ZHONGRONG CONSTRUCTION ENGINEERING COST CONSULTING CO LTD

ResNet-based digitized protection method and system for non-left-and-right banks

The invention relates to the technical field of convolutional neural networks, in particular to a two-bank non-residual digital protection method and system based on ResNet, and the method comprises the steps: constructing a multi-resolution structure for a sample image, outputting a scale pattern image, extracting a stable segment from the scale pattern image to generate a structure block image, integrating continuous textures to form a main pattern image, and carrying out the image processing. And extracting a dominant direction to generate a main texture channel image, and complementarily splicing channels to obtain a cross-region archived structure information set. By constructing the scale hierarchical structure diagram and introducing a texture direction consistency screening strategy, stable fragments can be positioned in a multi-magnification image, structure fusion and texture integration are completed in combination with residual channel differences, and the structure hierarchy of a key area is recovered through leading channel extraction and channel complementary splicing, so that the image quality is improved. The structure maintenance, direction separation and splicing adaptation capabilities of the images in the filing process are improved, and a non-abandoned image protection information set with stability, guidance and aggregation is generated.
Owner:FUJIAN NORMAL UNIV

Method for providing a cover element

The present invention relates to a method for providing at least one cover element (2) for temporarily covering at least one protective area (4) of a machine element (6). The method comprises the steps: - Providing a particularly digital and preferably three-dimensional model (8) of the machine element (6), - Determining, in particular, digital protection point information (10) using the model (8), - Determining one or more cover elements (2) based on the protection point information (10) preferably using a computer unit (12), - In particular, automatic assignment of one or more cover elements (2) to the respective protection point (4) and - Providing the associated cover element (2).
Owner:POPPELMANN HOLDING GMBH & CO KG

A multi-modal data-based national art dynamic digital protection system and method

This invention discloses a dynamic digital preservation system and method for ethnic arts based on multimodal data, belonging to the field of big data management technology. The system includes an acquisition and control module, a data processing module, a rule engine, a machine learning engine, and a closed-loop optimization controller, effectively solving the industry problem of difficulty in quantifying, dynamizing, and adaptively optimizing quality assessment standards in the digitization of ethnic arts.
Owner:HEIHE UNIV

An X-ray-based three-dimensional scanning device for ancient books and documents

The present invention belongs to the technical field of document scanning and discloses an X-ray-based three-dimensional scanning device for ancient books and documents, comprising: an X-ray source module, a detection module, a main control module, a document positioning and support module, an ink component identification module, an imaging and three-dimensional reconstruction module, and a data storage and processing module; the present invention avoids damage to document materials caused by physical contact, greatly reducing the wear and tear of ancient books during the scanning process; through multi-level scanning, the internal text structure of the ancient book is reconstructed to achieve page-by-page display, and high-definition text images can be obtained even when the document is in a closed state; the absorption difference of X-rays on different component materials is utilized to achieve effective distinction between ink and paper, making the content of the ancient book clearly visible and adapting to different historical ink compositions; non-contact batch scanning of a large number of documents is achieved, meeting the digital protection needs of library collections of ancient books and providing researchers with a more convenient access method.
Owner:LANZHOU UNIV

Intelligent extraction and restoration platform for multi-modal information of minority ancient books and literatures

The invention relates to the technical field of digital literature protection, in particular to a minority ancient book literature multi-modal information intelligent extraction and restoration platform. The platform comprises a data acquisition module, a preprocessing module, a feature extraction module, a multi-modal fusion module, an intelligent repair module and an output module. The data acquisition module acquires multi-modal data of ancient documents through a multi-source acquisition device; the preprocessing module performs quality enhancement processing on the data; the feature extraction module extracts features based on a deep learning network and introduces the features into a culture knowledge base; the multi-modal fusion module realizes feature fusion based on culture semantic alignment; the intelligent repairing module adopts a cultural constraint generative adversarial network to carry out content repairing; and the output module is used for exporting and visually displaying data in various formats. According to the method, the complex degradation problem in the ancient literature can be effectively solved, the authenticity of cultural features is kept, and the overall effect of digital protection of the ancient literature is improved.
Owner:NORTHEASTERN UNIV AT QINHUANGDAO

Digital protection relay device and digital protection relay status display method

To provide a digital protection relay device and a digital protection relay state display method in which operation and display can be continued even if a CPU that processes a display fails when a set of an actuator and a display unit is implemented in the digital protection relay device with dual CPUs.SOLUTION: A digital protection relay device includes: a plurality of CPUs 101 and 102 that execute protection calculations; a shutdown command output circuit 117 that outputs a shutdown command from all CPUs under AND conditions when the plurality of CPUs are all normal and outputs the shutdown command from the normal CPU when at least one of a plurality of calculation process units is failed; a state display unit 113 that displays the state of the plurality of CPUs; a display switching circuit 112 that switches the CPU to be displayed on the state display unit; and a select signal output circuit 116 that switches the CPU to be displayed on the display switching circuit 112 according to the output of the plurality of CPUs.SELECTED DRAWING: Figure 1
Owner:HITACHI LTD

Method for providing a cover element

The invention relates to a method for providing at least one cover element (2) for temporarily covering at least one protection point (4) of a machine element (6). The method has the steps of: - - determining protection point information (10), in particular digital protection point information, automatically by means of an EDP unit (12), preferably on the basis of the model (8), - determining one or more cover elements (2) on the basis of the protection point information (10) by means of the EDP unit (12), - automatically assigning one or more cover elements (2) to the respective protection point (4), and - providing the assigned cover element (2).
Owner:POPPELMANN HOLDING GMBH & CO KG