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136 results about "Supervisory control" patented technology

Supervisory control is a general term for control of many individual controllers or control loops, such as within a distributed control system. It refers to a high level of overall monitoring of individual process controllers, which is not necessary for the operation of each controller, but gives the operator an overall plant process view, and allows integration of operation between controllers.

Intelligent monitoring system based on multi-sensor fusion technology

The invention relates to the technical field of supervision control and data acquisition, in particular to an intelligent monitoring system based on a multi-sensor fusion technology, comprising a multi-sensor acquisition and preprocessing module which acquires and self-calibrates at least two kinds of physical quantity data in real time and fuses the physical quantity data into a unified monitoring feature vector; and the fault diagnosis and prediction module is used for integrating interpretable semantic analysis in combination with a production plan and a maintenance record. And performing equipment state diagnosis, operation trend analysis and fault prediction in real time by utilizing electric inspection type monitoring, generating health assessment and early warning, and guiding optimization and adjustment of a control strategy. And the data storage module is used for storing semantic data model evaluation results, diagnosis reports and early warning information, and supporting fault root analysis and control effect evaluation based on processing batches and time sequences. And the remote man-machine interaction interface is used for displaying the equipment running state, the control parameters and the automatic process in real time, supporting voice instruction interaction and facilitating remote monitoring and intervention of an operator.
Owner:ANHUI UNIV OF SCI & TECH

Explainable method for monitoring state of generator of wind turbine generator system on basis of spatio-temporal graph

PendingUS20250369424A1Wind motor controlEngine fuctionsExponentially weighted moving averageData acquisition
Disclosed is an explainable method for monitoring a state of a generator of a wind turbine generator system on the basis of a spatio-temporal graph. The method includes: S1: acquiring data collected by a supervisory control and data acquisition (SCADA) system; S2: carrying out data understanding on the SCADA data, selecting features associated with the generator, and carrying out data preparation on the selected feature data, and obtaining valid data; S3: embedding the SCADA data, and forming a directed spatio-temporal graph data sequence; and S4: carrying out modeling of a normal behavior model of the generator on the constructed directed spatio-temporal graph data sequence, computing a full-graph-level residual and a node-level residual, computing a residual through an exponentially weighted moving average (EWMA) control chart method, carrying out full-graph-level state monitoring on the generator, forming a fault information transmission chain relation, and enhancing explainability and robustness of a monitoring result.
Owner:ZHEJIANG UNIV OF TECH

SCADA (Supervisory Control And Data Acquisition) system based on large language model, implementation method and equipment

The invention relates to the technical field of monitoring and data acquisition systems, and discloses an SCADA (supervisory control and data acquisition) system based on a large language model, an implementation method and equipment, and the system comprises a user interaction terminal which receives a natural language instruction input by a user and displays a dynamic user interface; the natural language processing module is used for preliminarily analyzing the natural language instruction to obtain a user intention and key information; the large language model is used for deeply analyzing the user intention and the key information and generating a task description or a task execution plan; the MCP arrangement engine is used for mapping the task description or the task execution plan to a predefined function to obtain executable structured data; and the dynamic UI generator is used for generating a dynamic user interface based on the executable structured data and a preset UI instruction. According to the method, the usability and the data analysis capability of the SCADA system are improved through natural language interaction, and meanwhile, the reliability and the safety of the system are ensured by utilizing an MCP and a predefined function mechanism.
Owner:HUADIAN LANCO TECH CO LTD

New energy storage optimization control method and system

The invention relates to the technical field of supervision control, in particular to a new energy storage optimization control method and system, and the method comprises the following steps: collecting a grid-connected point voltage amplitude deviation, a frequency deviation and a voltage total harmonic distortion rate, and generating a power grid stress index; according to the method, the multi-dimensional state vector is constructed by collecting the grid-connected point voltage amplitude deviation, the frequency deviation and the total harmonic distortion rate to generate the stress index reflecting the power grid operation pressure, accurate quantitative sensing of the power grid state is achieved, the power grid supporting gain coefficient is dynamically generated according to comparison of the index and the preset threshold value, and the power grid supporting effect is improved. And the total required power to be responded by the energy storage system is adjusted and determined, so that the power support strength is matched with the actual demand of the power grid, and insufficient response or excessive response is avoided.
Owner:NANJING RUIQINGLIAN TECH CO LTD

AI-powered cybersecurity system for regulatory compliance in energy distribution

A system for AI-supported cybersecurity and regulatory compliance in energy distribution networks, consisting of: a hardware-embedded data acquisition module configured to intercept, capture, and time-stamp operational data streams and to control data traffic from SCADA (Supervisory Control and Data Acquisition) systems, AMI (Advanced Metering Infrastructure) systems, and energy management systems (EMS) via multiple communication protocols without operational latency; an FPGA-based deep packet inspection unit coupled with the data acquisition module, wherein the FPGA firmware is configured to perform line rate filtering, protocol decomposition and metadata extraction of the acquired data and forwards preprocessed packet data to an AI processing unit; an AI processing unit consisting of a multi-core central processing unit (CPU), a dedicated AI accelerator selected from a graphics processing unit (GPU) or a tensor processing unit (TPU), and a volatile memory buffer; a response orchestration module that is communicatively coupled with network management devices and operations controllers, wherein the response orchestration module is configured to perform automated security and compliance remediation measures, including network isolation of compromised segments, enforcement of protocol encryption, and privilege revocation; and an immutable audit logging subsystem configured to record all detected events, compliance assessments, and corrective actions in a blockchain-based distributed ledger, with each log entry cryptographically anchored with a secure hash value and digitally signed with keys stored in a secure hardware enclave.
Owner:ALIF MUHAMMAD +11

Supervision control system, method and equipment in industrial weaving process and storage medium

The invention relates to the technical field of control systems, and provides a supervision control system, method and equipment in an industrial weaving process and a storage medium. The method comprises the following steps: acquiring engineering data and environment data in a weaving process through an intelligent sensor, and standardizing an original spatio-temporal data matrix formed by the engineering data and the environment data to generate an engineering matrix; attribute information including elasticity, fluid and heat conduction is generated based on the engineering matrix, and a space model representing the weaving process state is constructed based on the attribute information; generating a dynamic control parameter based on the deviation between the model parameter of the spatial model and the target trajectory; generating a tension signal for the dynamic control parameter and a preset target tension, and generating an execution instruction through the tension signal to control the weaving equipment to operate. A multi-physics field coupling space model is constructed, dynamic control parameters are generated according to the deviation between model parameters and a target track, and an accurate closed-loop supervision control process from data perception to equipment control is formed.
Owner:TAIXING HENGSHUN TEXTILE CO LTD

Robot and intelligent interaction method thereof

The invention discloses a robot and an intelligent interaction method thereof, and relates to the technical field of robots, and the robot comprises an instruction obtaining module which is used for converting external instruction information into text information; the artificial intelligence module is used for performing vectorization processing and similarity comparison on the text information and keywords in a preset task list through a large model to obtain a conventional target task and an unconventional target task; the task decomposition module is used for decomposing the conventional target task or the unconventional target task into a plurality of sub-tasks and determining solutions matched with the sub-tasks according to the types of the sub-tasks; the task execution module is used for supervising and controlling execution of each subtask; the memory module is used for storing key data and a knowledge graph database in the execution process of each subtask; and the planning decision module is used for controlling the operation of the modules. According to the invention, man-machine interaction and autonomous planning and intelligent control of the robot body can be realized.
Owner:BAIZHI EMBODIMENT (BEIJING) TECHNOLOGY CO LTD

Closed-loop control method for hydraulic control butterfly valve of PCCP long-distance high-pressure water conveying pipeline

The invention discloses a closed-loop control method for a hydraulic control butterfly valve of a PCCP (prestressed concrete cylinder pipe) long-distance high-pressure water conveying pipeline, and belongs to the technical field of long-distance high-pressure water conveying pipeline control. The problems that in the prior art, due to manual scheduling or single-point PID control, a long-distance PCCP water conveying system has response lag and lacks global cooperation, the water attack risk is difficult to effectively deal with, and the optimal overall energy consumption of the system cannot be considered are solved. According to the invention, by constructing a hierarchical control architecture in which a distributed measurement and control network is coordinated with a central supervision control and data acquisition system platform, a variable-parameter PID control algorithm is built in an equipment PLC, so that millisecond-level identification and active suppression of a sudden water attack working condition are realized; a hydraulic simulation model and a multi-objective optimization algorithm are deployed in a central supervision control and data acquisition system master station, and a whole-line optimal pressure set value is solved through iterative calculation and is issued to each PLC for execution, so that the system energy consumption minimization is realized on the premise of ensuring the pipeline safety.
Owner:SHENGZHOU WANGXIN JINSHUI CONSTR INVESTMENT CO LTD

Chopped chilli fermentation jar temperature remote regulation and control system and method based on supervision and control

The invention provides a chopped chilli fermentation jar temperature remote regulation and control system and method based on supervision and control, and relates to the technical field of temperature remote regulation and control. The abnormal confidence coefficient of the temperature of the chopped chilli fermentation jar in the current chopped chilli fermentation period is determined; calibrating the temperature value of each temperature sensor; further generating temperature regulation and control instructions of a heating rate control section and a constant temperature maintaining section in the current chopped chilli fermentation period; when the abnormal confidence exceeds a set threshold value, a semiconductor temperature control module on the outer wall of the chopped hot pepper fermentation jar body is remotely controlled to execute a temperature regulation and control instruction, temperature gradient distribution in the chopped hot pepper fermentation jar is continuously monitored in the instruction execution process, and then the distribution proportion of the heating power and the refrigerating power of the semiconductor temperature control module is adjusted. According to the application, the internal temperature of the chopped chilli fermentation jar can be remotely and accurately regulated and controlled in a high-acid, high-salt and high-humidity chopped chilli fermentation environment, so that the uniform distribution of the internal temperature of the fermentation jar is improved.
Owner:HUNAN SHIHAN FOOD CO LTD +1

Supervision and control-based wafer combination equipment punctual system scheduling method and system

The invention discloses a supervision and control-based punctual scheduling method and system for wafer combination equipment, and mainly solves the problems of high probability of blockage, path conflict and low scheduling efficiency during multi-resource parallel operation of the existing wafer combination equipment. According to the implementation scheme, the method comprises the following steps: respectively constructing corresponding automaton models for process units in equipment, and carrying out synchronous splicing according to a real process flow to form an overall model capable of reflecting dynamic behaviors of a system; a corresponding constraint model is established by combining factors such as process sequence constraint, equipment capacity limitation, carrying time constraint and residence time limitation; and the supervision controller continuously judges whether the event to be executed can cause blockage or not, gradually eliminates the blockage by disabling the controllable event, triggers the optimal event according to the priority of the event, and guides the scheduling path to propel and output the optimal scheduling scheme along the optimal direction. According to the method, the overall model capable of being dynamically adjusted is constructed, the event priority and multi-class constraint collaborative optimization scheduling is utilized, the wafer residence time can be remarkably shortened, the overall scheduling efficiency is improved, and the method can be used for operation inspection, evaluation and optimization of an equipment system.
Owner:XIDIAN UNIV

SCADA (Supervisory Control And Data Acquisition) system interface point rerouting method, system, equipment, medium and product

The invention discloses an SCADA (supervisory control and data acquisition) system interface point rerouting method, system, equipment, medium and product, and relates to the field of SCADA systems, the method comprises the following steps: in each HMI (human machine interface) of an SCADA system, respectively receiving a pre-configured variable redirection script for binding two preset logic point identifiers, the picture logic point identifier is directly associated with the picture element in the current HMI interface and is not directly associated with the physical equipment monitored by the SCADA system, and the equipment logic point identifier is opposite; when a trigger instruction for the variable redirection script of any HMI interface is received, after it is detected that the logic point identifier of the current picture is bound with the logic point identifiers of other devices, the binding relation is unbound; and binding the unbound current picture logic point identifier and the unbound current equipment logic point identifier so as to complete redirection of the picture elements and the physical equipment in the HMI interface. The expansibility of the system is improved.
Owner:北京力控元通科技有限公司

Petri net supervisory control method and controller applied to complex manufacturing system

ActiveCN117032107BProgramme total factory controlDirect computationComputation complexity
The application provides a Petri net supervisory control method and a controller applied to a complex manufacturing system, and the method comprises the following steps: obtaining system information of the complex manufacturing system, and constructing a Petri net model of the complex manufacturing system according to the system information; constructing a reachable graph of the Petri net model according to the Petri net model; taking the current state and resources of each device as input, and predicting transition enabling values of each device in all reachable states through a trained neural network model; and performing supervisory control on the complex manufacturing system according to the transition enabling values of each device in all reachable states. For the complex manufacturing system, the application can avoid the state explosion problem caused by the calculation of the reachable graph of the complex manufacturing system, greatly reduce the time complexity and calculation complexity caused by the calculation of the reachable graph, and directly realize the deadlock control of the complex Petri net and has high behavior permissibility.
Owner:XIDIAN UNIV

Supervisory control system for a well construction rig

A method and system that include receiving sensor data that is indicative of an operational status of a well construction equipment that is being utilized to construct a planned well that include receiving a well construction plan that includes information that is indicative of the planned well and the well construction equipment. The method and system additionally include accessing a database of operational sequences that are executable to be performed by the well construction equipment to construct a plurality of wells and selecting from the database an operational sequence to construct the planned well. The method and system further include electronically controlling the well construction equipment to autonomously perform the plurality of physical or mechanical operations of the selected operational sequence to drill at least one of: a selected portion of the planned well and a path along the selected portion of the planned well through a subterranean formation.
Owner:SCHLUMBERGER TECH CORP

Poultry house intelligent adjustment control method and system based on temperature and humidity double control

The invention provides a poultry house intelligent adjustment control method and system based on temperature and humidity double control, and relates to the technical field of supervision control, and the method comprises the steps: collecting a temperature data set and a humidity data set in a poultry house in real time through a temperature sensor and a humidity sensor; temperature and humidity double-control calculation is carried out based on the environment parameter set, a control instruction set is generated, an MOS tube switching circuit is activated according to the control instruction set to drive adjusting equipment, the poultry house environment is intelligently adjusted, and an adjusting result is obtained; and performing adjustment error analysis based on an adjustment result, and generating a switching control mode to formulate a control strategy to continuously optimize the poultry house environment. The technical problems that in the prior art, due to the fact that the control mode is single, poultry house environment adjustment is extensive and response is lagged when environment fluctuation is large are solved, through temperature and humidity coupling analysis and in combination with error analysis, the control modes are dynamically switched, an MOS tube is driven to conduct accurate adjustment, stability of the poultry house environment is achieved, and the poultry house environment is stable. And the optimal comfortable area is maintained.
Owner:JIANGSU DACAINA AGRI & ANIMAL HUSBANDRY TECH CO LTD

Supervisory control graphical user interface for a computer

1. The name of the design product: supervisory management graphical user interface for computer. 2. The use of the design product: the design product is used for running programs and displaying information, and is suitable for computer screens. 3. The design points of the design product: the graphical user interface content in the screen. 4. The picture or photo that best indicates the design points: front view. 5. The use of the graphical user interface: the graphical user interface of the design product is used for users to perform market supervision administration daily supervision and management tasks and view related information. 6. The human-computer interaction mode of the graphical user interface: the interface uses the state reference diagram as the "home page" page when logging in, and enters the main view interface through the login account and password to perform task operations. 7. Other circumstances that need to be explained: the computer part in the design product is a conventional design.
Owner:CHANGZHOU WUJIN DISTRICT MARKET SUPERVISION & ADMINISTRATION BUREAU

Hybrid vehicle engine start using clutches of dual clutch transmission

A hybrid electric vehicle includes: a dual clutch transmission having first and second sub-transmissions having respective first and second clutches and first and second synchronizers, and an electric motor rotationally coupled to the second sub-transmission for common rotation therewith; and a control system including a hybrid controller and a transmission controller with the HCP being a supervisory controller, wherein the control system is configured to execute an engine clutch start procedure using the electric motor, and wherein the procedure eliminates hard vehicle speed limits, provides smooth wheel torque during the procedure, and increases a number of transmission gears available for the procedure.
Owner:FCA US LLC

Automated asset strategy selection for an asset via cloud-based supervisory control

Various embodiments described herein relate to automated asset strategy selection for assets via cloud-based supervisory control. In this regard, one or more baselines for asset strategy data related to an asset is estimated based on a regression analysis process associated with the asset. Additionally, a maximum uncertainty level for the one or more baselines is determined, one or more conditions related to energy optimization for an environment associated with the asset is estimated for a future period of time, and a predicted uncertainty level for the one or more conditions related to the energy optimization is determined. Based on a comparison between the maximum uncertainty level and the predicted uncertainty level, a predetermined asset strategy or an energy optimization asset strategy for the future period of time is then selected.
Owner:HONEYWELL INTERNATIONAL INC

A supervised control policy generation method based on counterexample guided deep reinforcement learning

The application discloses a kind of supervision control strategy generation methods based on counterexample guide deep reinforcement learning, comprising: one, definition model;Two, supervision control strategy generation, the method with deep Q network as reinforcement learning subject, introduce online counterexample guide verification mechanism, using counterexample search dynamic correction control permission dictionary and optimizing reinforcement learning strategy, finally coupling convergent deep network parameters and whole state space dynamic permission dictionary, generate with global non-blocking characteristics coordinated supervision control strategy.This method can meet non-blocking and approach maximum allowable supervision strategy without explicitly constructing the global state space of controlled discrete event system, balance between computational complexity and strategy allowance, provide a new technical approach for non-blocking control of super large scale discrete event system.
Owner:GUANGXI NORMAL UNIV

Draught fan abnormity monitoring and operation inspection optimization method based on knowledge graph and deep learning

The invention relates to the technical field of operation and inspection of wind turbine generator equipment, and discloses a knowledge graph and deep learning-based fan anomaly monitoring and operation and inspection optimization method, which comprises the following steps of: acquiring operation data of a wind turbine generator through an SCADA (Supervisory Control and Data Acquisition) system, and acquiring state data of the wind turbine generator through a CMS (Content Management System) system; obtaining operation and maintenance data of the wind turbine generator; constructing a TCN-BiGRU-Attention network model to analyze the multi-dimensional data, and outputting an anomaly type and confidence coefficient predicted by the model; constructing a double-layer knowledge graph; taking the exception type as input, extracting a feasible scheme according to a graph reasoning algorithm, and outputting an operation inspection strategy triple; and inputting the operation and maintenance strategy triple and the multi-dimensional data into the large language model, performing multi-round semantic reasoning and strategy optimization, and outputting an optimal operation and maintenance strategy. The method has the advantages that the high precision of anomaly identification and the high reliability of operation and maintenance decision are realized, the expandability and the practical value are good, and the method is suitable for various scenes such as intelligent wind power plant operation and maintenance, remote state monitoring and intelligent scheduling.
Owner:SICHUAN UNIV +1

Pipeline leakage detection device for SCADA (supervisory control and data acquisition) system

The utility model relates to the related technical field of gas pipelines, in particular to a pipeline leakage detection device for an SCADA (supervisory control and data acquisition) system, which comprises an upper arc clamping block and a lower arc clamping block which are combined on a pipeline, and further comprises a connecting mechanism, a detection mechanism and a control mechanism, the upper arc clamping block and the lower arc clamping block are fixedly mounted outside a to-be-detected pipeline; and the gas collection mechanism is used for gathering and collecting gas leaked from the to-be-detected pipeline and conveying the gas to the detection end of the leakage probe. According to the utility model, through the leakage probe connected with the gas collection mechanism, gas at a certain leakage point of the to-be-detected pipeline can be gathered and collected and conveyed to the leakage probe, so that an operator can conveniently detect the SCADA system pipeline, and the effect of detecting the SCADA system pipeline is achieved; and through the arrangement of the connecting mechanism, the device can be fixedly installed outside the to-be-detected pipeline conveniently, and the device is suitable for multi-pipe-diameter installation and is convenient to operate.
Owner:ZHENGZHOU ZHENGRAN PRESSURE ADJUSTING CONTROL TECH CO LTD

Remote terminal unit (RTU) for supervisory control and data acquisition (SCADA) system

An embodiment provides for error analysis and remediation of one or more remote terminal units (RTUs) of a supervisory control and data acquisition (SCADA) system. In one example, a method determines an error associated with an RTU and generates one or more error messages. An error code of the one or more error message is extracted to identify an error type and the error type is associated with analytics data indicative of the error. In some examples, the error is an update error that can be analyzed to trigger a remediation workflow, for example to attempt to retry an update workflow with modified configurations.
Owner:HIGH TIDE TECHNOLOGIES LLC

Real-time monitoring control system for electric door of prison room

The invention relates to the technical field of supervision control and data acquisition, in particular to a monitoring room electric door real-time monitoring control system which comprises an operation state sensing module, a track deviation monitoring module, an abnormal boundary judgment module, a braking energy estimation module and a vector closed-loop regulation and control module. According to the method, the phase plane coordinate system of the speed and the acceleration is constructed, the dynamic safety envelope domain is generated, the motion state of the monitoring room electric door is compared in real time, the operation risk is quantified through the deviation ratio, accurate capture of the full-stroke dynamic characteristics of the monitoring room electric door and sensitive identification of the abnormal working condition are achieved, the false alarm rate is effectively reduced, and the safety of the monitoring room electric door is improved. Meanwhile, the minimum braking energy stroke is calculated in combination with the motor rotating speed and the flux weakening depth, the residual physical stroke is compared to evaluate the safety buffering margin, vector closed-loop regulation and control are implemented according to the margin convergence rate, stable and impact-free braking is achieved on the premise that the safety boundary is ensured, and the operation stability and safety of the prison room electric door are remarkably improved.
Owner:YANTAI XUTIAN POLICE EQUIP CO LTD

Timing sequence program control system and method for efficient sedimentation tank

The invention discloses a time sequence program control system of an efficient sedimentation tank, which belongs to the technical field of industrial automatic sewage treatment and comprises an SCADA (supervisory control and data acquisition) monitoring layer, a PLC (programmable logic controller) control layer and an equipment execution layer. The SCADA monitoring layer provides a human-computer interaction interface and is used for setting automatic operation parameters and automatic mode switching of the sludge pump and the sludge scraper; the PLC control layer runs an automatic timing program and a linkage program, and generates a control instruction based on parameters set by the SCADA layer; and the equipment execution layer comprises a sludge pump and a frequency converter of a sludge scraper, and is used for receiving and executing a control instruction of the PLC. Through sequential control and equipment linkage, the problems of insufficient sludge sedimentation time, high sludge discharge water content, high energy consumption and the like caused by continuous operation of original equipment in the efficient sedimentation tank are solved, and cost reduction and efficiency improvement are realized.
Owner:TAOPU SEWAGE TRAEATMENT PLANT OF SHANGHAI CHENGTOU SEWAGE TREATMENT

SCADA complex formula ring detection and hierarchical calculation method based on directed graph

The invention discloses an SCADA (supervisory control and data acquisition) complex formula ring detection and hierarchical calculation method based on a directed graph, which comprises the following steps of: abstracting each formula into a node based on a reference relationship among formulas in a scheduling system, and constructing a directed edge according to a data flow direction to form a formula directed graph; traversing the formula directed graph by adopting a depth-first retrieval mode, detecting whether a circular reference ring exists or not, and recording the detected ring; performing standardization processing on the detected rings, normalizing description of the rings according to a head node minimum principle, and filtering similar rings; after the cyclic reference is eliminated, topological sorting is carried out on the formula directed graph, the hierarchy of each formula node is calculated, and the hierarchy attribute of the formula is updated; according to the method, a basis is provided for visual display of the reference relationship of the formulas, and meanwhile, field operation and maintenance personnel can conveniently and flexibly maintain the complex formulas.
Owner:NARI NANJING CONTROL SYSTEM CO LTD

Method and system for securing SCADA and industrial control software through secure-write operations

Systems and methods of executing secure write operations within combined supervisory control and data acquisition (SCADA) and programmable logic controller (PLC) systems including receiving an operator interaction at a user interface of a SCADA system, generating an encoded secure write instruction based on the operator interaction in a tamper-resistant secure format at the SCADA system, transmitting the encoded secure write instruction from the SCADA system to a PLC, extracting an operation instruction comprising an operation and a plurality of operation parameters by decoding the encoded secure write instruction at the PLC, and one of executing the operation instruction and rejecting the operating instruction at the PLC.
Owner:MADISETTI VIJAY

Power system supervisory control apparatus, system, and method using supply reliability

A power system supervisory control apparatus, a power system supervisory control system, and a power system supervisory control method for reducing social cost and improving resilience of a power system are provided. The power system supervisory control apparatus including multiple renewable energy power supplies includes: a system influence degree evaluation section that evaluates a system influence degree when a renewable energy fluctuation or an assumed fault has an influence on the power system by using, as computation conditions, system data for obtaining a state of the power system, renewable energy fluctuation data indicative of a fluctuation of a power generation output, and assumed fault data of an assumed fault in the power system, and calculates system influence degree evaluation result data; a computation condition selection index calculation section that calculates a selection index for the computation conditions; and a condition selection section that selects the computation conditions.
Owner:HITACHI LTD

Supervisory control and pathogen-destroying electrostatic precipitator system

An electrostatic air cleaner may be operated according to a manner designed to achieve acceptable air quality while balancing power usage and corona electrode degradation levels. The voltage applied to the corona electrode(s) may be controlled as well as the voltage applied to repelling electrodes and air flow velocity. The air cleaner may also be operated to achieve desired particle separation.
Owner:AGENTIS AIR LLC

Wind turbine generator blade icing fault detection method

The invention discloses a wind turbine generator blade icing fault detection method, which comprises the following steps of: performing feature selection on multi-dimensional feature data collected by a wind turbine generator SCADA (Supervisory Control And Data Acquisition) system by adopting a Relief algorithm, evaluating a feature weight according to contribution of features to distinguishing blade icing and a normal state, and screening out key features; constructing a new wind speed-power feature X1 and a new environment temperature-cabin temperature feature X2 on the basis of the screened feature data and a visual graph thereof in combination with an icing rule; constructing a cross LSTM prediction model, predicting one group of data according to the characteristics of multiple groups of data, and generating a residual signal; relates to the technical field of wind turbine generator fault detection, and through feature selection and an improved LSTM algorithm, the time sequence change features in the blade icing process can be more accurately captured, the fault detection accuracy is improved, and the detection accuracy is effectively improved.
Owner:GOLDWIND SCI & TECH CO LTD

Early warning scheduling method based on SCADA system and SCADA system

The invention relates to the technical field of wind power plant system control, in particular to an early warning scheduling method based on an SCADA (supervisory control and data acquisition) system and the SCADA system. The unit state comprises a first fan in normal operation, a second fan in maintenance shutdown, a third fan in fault operation and a fourth fan in maintenance shutdown, and generating a scheduling instruction for shutdown of the plurality of third fans based on the sorting result and the corresponding generation power, or generating a scheduling instruction for shutdown of the plurality of third fans based on the scheduling instruction. And generating a scheduling instruction for processing the priority of the second fan or the fourth fan based on the sorting result, further analyzing the collected data by combining the operation states of the fans and the condition of the power generation power of the wind power plant through the method, obtaining a more reasonable result, and improving the efficiency of the wind power plant. The system is used for reference by a worker of a remote control terminal, and further more accurate operation can be carried out in time.
Owner:HUANENG YUNHE WIND POWER CO LTD

Energy storage power station cell data shunting acquisition processing method and system

The invention provides an energy storage power station cell data shunting acquisition processing method and system, and belongs to the technical field of operation and dispatching automation of a power system. The method comprises the following steps: automatically distinguishing real-time monitoring data and statistical analysis data according to a specific marking rule, carrying out shunting processing on different types of data through a front acquisition shunting technology, uploading the real-time monitoring data to an SCADA (Supervisory Control and Data Acquisition) for processing, storing the real-time monitoring data into a real-time library for real-time monitoring control, and directly storing the statistical analysis data by adopting a time sequence library. By constructing a distributed time sequence library based on virtual nodes, uniform fragmentation storage of data is ensured. Different applications call different data sets for display or analysis through interface configuration, it is ensured that the energy storage energy management system can access mass battery data, the platform data processing pressure is reduced, and the stability of the system is ensured.
Owner:BEIJING SIFANG JIBAO ENG TECH +1