33results about How to "Reliable Data Protection" patented technology

The invention discloses a low-voltage power distribution network tail end sensing system based on the Internet of Things. The low-voltage power distribution network tail end sensing system comprises adistrict intelligent sensing terminal, a branch box monitoring unit, a meter box monitoring unit and a user power supply monitoring module. The district intelligent sensing terminal is in communication connection with the branch box monitoring unit and the meter box monitoring unit, informs to identify a physical topological relation and obtains operation state data of each line of the low-voltage power distribution network and user electric energy meter data; And the meter box monitoring unit is connected with the user power supply monitoring module to obtain a user switch state. The invention further discloses a method using the low-voltage power distribution network tail end perception system based on the Internet of Things. Functions of an existing power utilization information acquisition system are enriched, a multi-level physical topology on-line identification function is achieved, technical support and support are provided for deepening business expansion application such aslean line loss analysis, the particle size of data acquisition is improved through periodic data synchronous acquisition, and reliable data support is provided for big data analysis.

The invention discloses an intelligent internet-of-things perception regulation and control system and method based on a low-voltage distribution network area, and an energy controller, a branch box monitoring device, a meter box monitoring device, and a new energy monitoring device and the like are used as Internet of Things sensing nodes and are installed at a distribution transformer low-voltage side main switch outgoing line, a branch box outgoing line, a meter box outgoing line, a distributed photovoltaic device, a charging pile and the like. The functions of monitoring the state of each low-voltage switch of the low-voltage power distribution network, synchronously acquiring periodic electric energy data such as voltage, current, power and indicating value of segmented lines, users, distributed photovoltaic and charging piles, and carrying out edge calculation such as area quasi-real-time line loss calculation and abnormal alarm are realized; functional applications such as low-voltage user power failure active reporting, transformer area topology automatic identification, meter box access control state monitoring, distributed photovoltaic monitoring and ordered charging pile charging are realized, and intelligent panoramic sensing and quasi-real-time monitoring of the running state of the low-voltage distribution transformer network are comprehensively realized.

The invention discloses a biomedical ontology integration method for integrating high-throughput genotyping and clinical medical information. The method comprises the following steps: 1) based on disease data, basic health data of individuals, and genopathy associated features, obtaining key concepts in biomedical field ontologies; 2) referring to ontologies or database which already exists in the fields of biological information and medical information, looking up literature in related fields, analyzing data structure and data semantics; 3) using an intermediate expansion method, firstly obtaining partial concepts and relations from the fields, establishing an ontology rudiment, then, beginning from the ontology rudiment, continuously supplementing other concepts in the fields into the ontology rudiment; 4) defining relations and attribute of different concepts, and relations of the concepts and the attribute. Through the method, a biomedical ontology base integrating the high-throughput genotyping and clinical medical information is established, a more comprehensive health portrayal is provided for users, so as to provide reliable data guarantee for disease management and accurate prevention.

The invention discloses a method for realizing service data restoration based on cross-station switching collection. The method comprises the following steps: generating performance data collection tasks through a data collection system, releasing the collection tasks to collectors, meanwhile deploying a monitoring service for monitoring a collection task release catalogue, periodically monitoring the state of the collection task release catalogue, judging whether the collectors run abnormally, and switching the collection task of the abnormal collector to the standby normal collector. By adoption of the method disclosed by the invention, the collection continuity of performance data is realized, thereby ensuring the continuity of the performance data on which the index data analysis, problem locating and trouble removal depend, and providing reliable and stable data guarantee for the network operation personnel to analyze the performance data and locate network problems.

The present invention provides methods and an infrastructure for performing repetitive data protection and a corresponding restore of data for block oriented data objects comprising several indexed segments. For implementing the invention, timestamps tk are set by a timer k. Only the first data modification of a segment is recorded, after a timestamp tk has been set, by storing the old data contents of said segment together with the segment index j and said timestamp tk as undo-log block in a first journal j0, before overwriting said segment with the modified new data. Besides, said undo-log blocks are transmitted to N journals ji for storing redundant undo-log information, with N>1 and i=0, . . . , N−1. According to the present invention for each journal ji journal-specific timestamps tk / i are generated, so that each journal ji is written for a different set of timestamps tk / i.

The invention discloses a data verification system and a data verification method of an energy management and control system of a tobacco enterprise. The data verification method comprises the following steps of collecting required data from various systems established and a measuring meter newly added in the tobacco enterprise by a data acquisition unit; storing the collected data to a data cache; verifying the data, stored in the data cache, by adopting a data verifier containing a data sorting algorithm for improving a zero matrix method, a least square data coordination algorithm, a node residual detection algorithm and a revised iterative measurement residual test method and synchronous-compensatory general likelihood method joint test correction algorithm; storing the verified data into a real-time database for the energy management and control system of the tobacco enterprise to use. The data verification system and the data verification method of the energy management and control system of the tobacco enterprise are faster in computing speed and higher in appreciable error recognition rate, and are capable of guaranteeing the validity and the accuracy of the service data of the energy management and control system of the tobacco enterprise.

The invention discloses a switch cabinet power-on test stand which comprises a test stand cabinet body, a power supply, a measurement portion, a data acquisition board card, a processor, a liquid crystal display and a storage, wherein the power supply is positioned in the test stand cabinet body and is used for providing a power-on test for an external switch cabinet; the measurement portion is connected with the power supply and is used for carrying out testing on the switch cabinet in response to operation of an operator; the data acquisition board card is positioned in the test stand cabinet body and is used for acquiring test data of the switch cabinet; the processor is connected with the data acquisition board card and is used for carrying out analysis on the test data and generating test result information; the liquid crystal display is connected with the data acquisition board card and is used for carrying out display on the test data; the storage is connected with the processor and is used for carrying out storage on the test data and the test result information. Data processing is carried out by combining the data acquisition board card with the processor, a processed test result is stored in the storage, and the test data is perfectly subjected to statistics and storage and is effectively analyzed, so that performance of switch cabinet production test equipment can be improved and perfected, and integral outgoing quality of the switch cabinet is improved.

The invention belongs to the technical field of data processing, and particularly relates to a method for solving distance level of seawater profile observation data, which comprises the following steps of S1, obtaining sea water profile observation original data; S2, eliminating noise items of the seawater profile original data to obtain denoised data; S3, solving a trend term of the de-noised data; and S4, solving a distance level based on the trend term. According to the method, original data noise is eliminated, noise is not introduced again, and original characteristics of profile data are reserved to the maximum extent. The precise trend term of the seawater profile observation data is solved at a time without repeated calculation, so that the precise distance is obtained, a reliablejudgment basis is provided for recognition and elimination of singular values of the seawater profile observation data, the reliability of the observation data is guaranteed, and reliable data guarantee is provided for marine environment monitoring.

The invention discloses a multi-parameter integration test system and a multi-parameter integration test method for complex electronic equipment. The multi-parameter integration test system comprisesa test equipment set, a test tool and a main control computer, wherein the test equipment set comprises at least one set of test equipment, each set of test equipment is provided with a general test adapter interface, one end of the test equipment is connected with the main control computer, and the other end of the test equipment is connected with the test tool by means of the general test adapter interface; and the test tool is used for connecting the test equipment set and a tested piece. According to the multi-parameter integration test system and the multi-parameter integration test method, the test efficiency of the complex electronic equipment can be improved, the test cost is reduced, the precision of test result recording is ensured, and reliable data guarantee is provided for product tracing.

The invention provides a method and a device for establishing a stroke sample library applied to brush writing. Wherein, the method includes: obtaining the stroke rubbings of each calligraphy style corresponding to the standard strokes; for each stroke rubbing, extracting the strokes from the stroke rubbings, and performing image processing on the extracted strokes to obtain the strokes conforming to the predetermined style The sample of the strokes: obtaining the sampling data of the samples of each of the stroke rubbings respectively, and storing the samples and the sampling data correspondingly in the stroke sample library. Through the present invention, the practicability of the stroke sample library is improved.

The invention discloses a software and hardware operation information monitoring method based on a domestic CPU and an operating system environment, including a client and a server connected to each other, setting an agent program on the client to monitor software and hardware operation information data; performing active collection, and the client's The agent program actively collects the software and hardware status information of the security host and sends it to the server; for passive collection, the client agent program passively receives the software and hardware status information key sent by the server, and starts the corresponding acquisition program or The collection script collects the corresponding security host status information, and then sends the collected information to the server. Compared with the existing technology, the software and hardware operation information monitoring method based on domestic CPU and operating system environment can realize the monitoring of software and hardware operation information based on domestic CPU and operating system, and the monitoring method is efficient, concise and has good scalability , you can add new monitoring information items with simple configuration.

The invention discloses a method capable of eliminating signal interference generated by mobile phone signals to radio telescopes. The system defaults to configuring the latitude and longitude of each radio telescope (i=1, 2,...,n); the mobile phone and each radio telescope are to be shut down to specify a silent zone Range and number (usually set to three restricted areas, core area, and quiet area); calculate the user's current latitude and longitude with the latitude and longitude of each radio telescope, and the calculated distance is Distance uti (i=1, 2,..., n); Use the distance algorithm to determine the distance between the user and the nearest radio telescope Distance ut ;Determines whether the user is within the quiet zone range of a radio telescope. The beneficial effect of the invention is that it can reduce the signal interference caused by the mobile device to the radio telescope, so as to obtain more real observation data, thereby providing more reliable data guarantee for the experiment.

The invention discloses a method and system for preventing ransomware attacks based on solid-state storage devices, which realizes detection of ransomware in the firmware flash memory conversion layer of the solid-state storage devices, and utilizes the characteristics of non-in-situ update of solid-state storage devices to realize data lightweight backup and data backup. recover. The ransomware detection module establishes a fine-grained access model according to the special data access mode when the ransomware attacks the user; the data backup module adopts the method of periodic backup when the detection module does not detect the ransomware. The important metadata including the page usage table is backed up, and the garbage collection strategy is used to ensure that the data of the current backup version will not be physically deleted; the data recovery module adds the backup data version and the write operation by adding the backup data version in the OOB area of ​​the corresponding physical page during the write operation. The serial number and target logical block address information are used to reconstruct the backup metadata by the dichotomy method, thereby realizing the rapid recovery of user data.

The invention relates to a dual loop collecting and tripping interface device. The dual loop collecting and tripping interface device comprises two collecting and tripping circuits arranged redundantly; each collecting and tripping circuit comprises an input module and an interface processing module connected with the input module; the interface processing module is also connected with a processing module and an export module for outputting control signals for splitting and closing the circuit breaker; the dual loop collecting and tripping interface device also comprises a GOOSE input interface module connected with the processing module; each input module comprises a plurality of interface units, and the interface processing module controls the corresponding interface unit; and the dual loop collecting and tripping interface device comprises an optical fiber interface module and a GOOSE output interface module. The dual loop collecting and tripping interface device accesses multiple identical data sources and makes logical discrimination, therefore, the device is upgraded again on the basis of enhanced reliability; the data source and protection tripping of the device are designedinto two loops with independent collecting and independent tripping, therefore, the malfunction of the project can not be caused by the damage of a single device or single loop; the reliability of the system is improved, and the normal operation of the system is ensured.

The invention provides a method for determining the running direction of a high-speed train and network-side equipment. The method comprises the following steps that: the network-side equipment receives a call admission request which is sent by a user terminal in the high-speed train, and collects the channel updating information of an on-line terminal; the network-side equipment determines the moving direction of the on-line terminal according to the collected channel updating information; and the network-side equipment determines the running direction of the high-speed train according to the moving direction. According to the moving direction of the on-line terminal, the running direction of the high-speed train can be determined, the invention is easy to implement and high in accuracy, and reliable data guarantee is provided for subsequent call admission, so the success rate of call admission is improved.

The invention discloses a Beidou satellite communication technology-based method for intelligently detecting and processing acquired electric energy data. According to the method, the current actual value of the acquired electric energy data of a Beidou satellite is compared with a historical value and an integral electric quantity, and then wrong data caused by the distortion during the transmission process can be automatically identified and processed. If the current actual value is larger than the historical value, the interval time and the difference value between the current actual value and the historical value are further calculated. Meanwhile, the reasonable quantity of generated electric energy within the difference value and the interval time is compared with the integral electric quantity. After that, whether the anomaly of data jump caused by the distortion during the transmission process occurs to the current actual value or not can be judged. According to the technical scheme of the invention, the intelligent detecting and handling problem of abnormal data during the transmission process of the acquired electric energy data of the Beidou satellite to a scheduling main station via a satellite channel can be solved. Meanwhile, the related alarm function for suspicious data is provided at the same time, so that the operation and maintenance personnel can check the data in the timely manner. The operation and maintenance efficiency is improved, while the accuracy and the availability of the acquired data of the Beidou satellite are significantly increased at the same time.

The invention provides a writing track sampling method and device applied to a writing brush. Wherein, the method includes: extracting samples of strokes from calligraphy and painting inscriptions; imitating the writing track of said strokes through a handwriting input device, and reading the writing track data from when the handwriting input device is pressed to write to when it is lifted to stop writing; Wherein, the writing track data includes the coordinates and time of each writing point; the turning point of the writing track data is determined according to the chronological order of each writing point and the coordinates of the writing point; The data is divided into a plurality of stroke segments; the writing track data of the plurality of stroke segments are respectively sampled according to the set sampling method and the samples of the strokes; and the sampling data corresponding to the samples are recorded in the stroke sample database. Through the present invention, the practicability of the stroke sample library is improved.