38results about How to "Performance real-time monitoring" patented technology

The invention discloses a method for measuring and calculating pump efficiency based on soft flow measurement for a drainage pump. A thermodynamic system consists of a low-pressure heater (low heater for short) and the drainage pump which are connected in series. The method comprises the following steps: acquiring water pressure of an outlet of the low heater with the drainage pump, acquiring the temperature of inlet water of the drainage pump and acquiring real-time current and real-time voltage of a motor collocated in the drainage pump, motor efficiency and power factor from a database of a factory-level SIS or a DCS of a heat-engine plant, acquiring inlet water pressure and average drainage specific volume of the drainage pump through calculation, calculating the pressure difference of the drainage pump, namely the difference between the outlet water pressure of the heater with the drainage pump and the inlet water pressure of the drainage pump, calculating the flow of the drainage pump by using a method for measuring and calculating the flow of the drainage pump in a low heating system of a thermal power unit based on energy balance, and calculating the output power and the input power of the drainage pump according to the data. The ratio of the calculated output power to the input power is the efficiency of the drainage pump.

A structural performance digital twin construction method of an intelligent excavator comprises the following steps: performing finite element analysis on key parts in the excavation process of the intelligent excavator to obtain related structural mechanical properties; collecting important operation states of key parts of the intelligent excavator in the excavation process, and acquiring key operation data through data processing calculation; fusing sensor data and an artificial intelligence algorithm, and using the prediction model for conducting structural performance prediction on intelligent excavator parts under various unknown working conditions; and finally, modeling and rendering the performance data information by utilizing a computer graphics technology to obtain a digital twinborn body for displaying the structural performance of the intelligent excavator, and realizing digital twinborn mapping of the performance information of the key parts in the excavation process of the intelligent excavator. Under various operation conditions, the structural mechanical properties of key parts of the intelligent excavator are calculated in real time through the sensors and the artificial intelligence algorithm, and the practical functions of real-time display monitoring of performance information, excavation track display, feedback control, fault early warning and the like are achieved.

The invention relates to a real-time monitoring method for abnormal power performance of a wind turbine generator. The method comprises the following steps: acquiring historical operation data of a to-be-monitored wind turbine generator and historical data of an anemometer tower of a wind power plant in the same period; cleaning historical operation data of the to-be-monitored wind turbine generator, removing invalid data and reserving data of the to-be-monitored wind turbine generator in the normal operation state; and constructing a multi-dimensional feature vector representing the power performance of the wind turbine generator, and dividing the multi-dimensional feature vector into a model learning group and a model verification group. The method has the advantages that quantitative evaluation of the power generation power is more accurate and effective, the operation data of the wind turbine generator and the data at the anemometer tower are considered when the prediction model is established, and the prediction precision of the model is remarkably improved. The purpose of monitoring the power generation performance of the wind turbine generator in real time can be achieved. The power performance change condition of the wind turbine generator can be monitored in real time.

The invention discloses a performance management method and device for a service function chain system and relates to the field of communication. The method comprises the steps that a monitoring module of a service function chain controller receives performance index data of the service function chain system; the monitoring module receives node performance data sent by monitoring agent modules of service nodes; and the service function chain controller selects the service nodes to establish a service function chain based on the performance index data and the node performance data and monitors and manages function nodes in the service function chain. According to the performance management method and device for the service function chain system provided by the invention, a service function chain performance management monitoring mechanism is increased; the service function chain controller can monitor the performance of the service nodes in real time; the service function chain system can satisfy special performance demands of user or third party service; the service function chain with performance guarantee is established for a customer; the service nodes in the operated service function chain can be timely replaced; the reliability of the service function chain system is increased; and the utilization efficiency of the service function nodes is improved.

The invention provides a petroleum drilling real-time monitoring system which comprises a drilling liquid performance monitoring instrument, a geological logging monitoring instrument and a drilling engineering parameter monitoring instrument, wherein sensors are arranged on all the instruments; the sensors are used for transmitting a detecting signal to computer processing equipment through a wireless transmitting and receiving system, and the detecting signal is processed through the computer software and then converted into a chart to be displayed through a display in real time. With the adoption of the petroleum drilling real-time monitoring system, the shortcomings of the comprehensive logging instrument that only the geological logging and drilling engineering parameters can be monitored can be overcome; the drilling liquid performance can be monitored online in real time, so that the drilling liquid, the drilling engineering and the geological logging can be integrated and processed through a computer, and then a comprehensive system integrating the acquiring, displaying and processing of various data at a drilling site can be formed; the comprehensive system can meets the various demands of safely optimizing the drilling and comprehensively determining an oil-gas-water layer.

The invention discloses a method for evaluating the heat exchange performance of a condenser based on statistical analysis of operating data, which belongs to the technical field of thermal power generation. The evaluation methods in the prior art are difficult to achieve comprehensive and accurate evaluation. If the detection and evaluation of the condenser is carried out by using detection equipment, on the one hand, it needs to increase the cost input, on the other hand, it is difficult to evaluate in real time. According to the data of unit load, circulating water pump operation combination, low-pressure cylinder exhaust temperature, circulating water outlet temperature and circulating water inlet temperature data, the present invention uses a statistical analysis method to respectively establish a standard data fitting model and a comparative data fitting model to obtain condensate The comprehensive heat transfer performance of the condenser can be obtained, and the variation range of the condenser heat transfer performance can be obtained by comparing the differences between the two. The invention can comprehensively evaluate the heat exchange performance of the condenser, and then realize the real-time monitoring of the performance of the condenser, with low cost and less investment.

The invention aims to provide a smoke pollution treatment equipment performance detection device which comprises two sampling pipeline groups respectively extending into an equipment front flue and an equipment rear flue partly. Each sampling pipeline group comprises two sampling pipelines which are arranged in a crossed manner, each sampling pipeline comprises a main pipeline and multiple branched pipelines communicated with the main pipeline, a control valve is arranged on each branched pipeline which is provided with multiple sampling holes, a cross section where any sampling pipeline is positioned comprises multiple equal-area regions, a sampling hole formed in one sampling pipeline and a shadow of a sampling hole formed in another sampling pipeline are formed in the corresponding equal-area region, each sampling hole or the shadow of the same is located at a position close to the center of one equal-area region, and each sampling pipeline is connected with a smoke ingredient collecting and measuring unit. The device can accurately measure effect of a smoke pollution prevention and control device and monitor running conditions of the smoke pollution prevention and control device in real time.

The embodiment of the invention provides a data scheduling method of P2P networks and a system thereof. The method comprises the steps that: local nodes send an initial data request to all service nodes and all the service nodes send back the initial data to the local nodes; the local nodes calculate the performance parameters of all the service nodes respectively according to the performance indexes of all the service nodes transmitting the initial data; all the service nodes are sorted according to the performance parameters calculated and a data request is carried out again to service nodes according to the sorting result. The method and the system can improve downloading performance, realize real-time monitoring towards the performance of all the service nodes, control the current downloading scheduling by utilizing the monitoring situation, thereby guaranteeing full and effective utilization of the current service nodes and being able to self adapt to the change of network situations.

The invention discloses a method for measuring and calculating pump efficiency based on soft flow measurement for a drainage pump. A thermodynamic system consists of a low-pressure heater (low heater for short) and the drainage pump which are connected in series. The method comprises the following steps: acquiring water pressure of an outlet of the low heater with the drainage pump, acquiring thetemperature of inlet water of the drainage pump and acquiring real-time current and real-time voltage of a motor collocated in the drainage pump, motor efficiency and power factor from a database of a factory-level SIS or a DCS of a heat-engine plant, acquiring inlet water pressure and average drainage specific volume of the drainage pump through calculation, calculating the pressure difference of the drainage pump, namely the difference between the outlet water pressure of the heater with the drainage pump and the inlet water pressure of the drainage pump, calculating the flow of the drainage pump by using a method for measuring and calculating the flow of the drainage pump in a low heating system of a thermal power unit based on energy balance, and calculating the output power and the input power of the drainage pump according to the data. The ratio of the calculated output power to the input power is the efficiency of the drainage pump.

The invention provides a device for detecting the performances of smoke pollution treatment equipment. A smoke inlet and a smoke outlet of the smoke pollution treatment equipment are respectively communicated with an equipment front smoke flue and an equipment rear smoke flue. The device comprises at least two groups of sampling pipes, wherein each group of sampling pipes comprise at least two sampling pipe layers. A smoke flue cross section where any sampling pipe layer is located comprises a plurality of equal areas, wherein one part of the equal areas are respectively provided with sample holes disposed on the sampling pipe layer, and the projections of sampling holes disposed on other sampling pipe layers are disposed at other part of the equal areas. The number of the plurality of equal areas of any smoke flue cross section where any sampling pipe layer is located is equal to the number of all sampling holes disposed on the sampling pipes of each group of sampling pipes. Each sampling pipe layer is connected with a smoke component collection and measurement unit. The device can accurately measure the processing effect of the smoke pollution treatment equipment, and monitors the operation condition of the equipment in real time.

The invention provides a server performance monitoring method and device, a storage medium and a terminal, and the method comprises the steps: transmitting a performance information obtaining instruction to a server, so as to obtain the performance information of the server; and displaying the obtained performance information. According to the scheme provided by the invention, the server performance can be monitored in real time.

The invention relates to a real-time monitoring method for abnormal power performance of a wind turbine, comprising the steps of: acquiring historical operating data of the wind turbine to be monitored and historical data of the anemometer tower of the wind farm where it is located in the same period; cleaning the historical operation data of the wind turbine to be monitored , eliminate invalid data, and retain the data under the normal operating state of the wind turbine to be monitored; and construct a multi-dimensional feature vector representing the power performance of the wind turbine, and divide the multi-dimensional feature vector into a model learning group and a model verification group. The beneficial effects of the present invention are: the present invention is more accurate and effective in quantitative evaluation of generated power, and not only the operating data of the wind turbine itself but also the data at the wind measuring tower are considered when establishing the prediction model, which significantly improves the model performance. prediction accuracy. The purpose of real-time monitoring of the power generation performance of the wind turbine can be realized; the invention can also monitor the change of the power performance of the wind turbine in real time.

The invention provides a performance monitoring method of oil chromatogram on-line monitoring equipment. The performance monitoring method comprises the following steps of: summarizing oil chromatogram on-line monitoring data of the oil chromatogram on-line monitoring equipment of each stage of power grid; calculating abnormal probability of the oil chromatogram on-line monitoring equipment according to the oil chromatogram on-line monitoring data; generating a performance description curve of the oil chromatogram on-line monitoring equipment according to the abnormal probability respectively; and monitoring the performance of the oil chromatogram on-line monitoring equipment according to the performance description curve. Through the technology provided by the invention, scientific and real-time monitoring of performance of the oil chromatogram on-line monitoring equipment can be realized, so that the performance conditions of various types of oil chromatogram on-line monitoring equipment can be quickly and accurately mastered by an upper main network, the reliability, the stability and the effectiveness of the oil chromatogram on-line monitoring data are guaranteed, and an important decision making reference is provided for purchasing and type selection of the equipment.

A pump efficiency measurement method based on soft flow measurement of independent low-add-drain pumps. The thermal system of the present invention is composed of an independent low-pressure heater (referred to as low-pressure heater) and a drain pump. From the database of the plant-level monitoring information system SIS or the distributed control system DCS of the thermal power plant, obtain the outlet water pressure with the drain pump heater, obtain the temperature of the inlet water of the drain pump, and obtain the real-time current, real-time voltage, and motor efficiency of the drain pump configuration motor. With the power factor, the inlet water pressure of the drainage pump and the average drainage specific volume are calculated, and the pressure difference of the drainage pump is calculated as the difference between the outlet water pressure of the heater with the drainage pump and the inlet water pressure of the drainage pump, and the independent thermal power unit based on energy balance is applied. The low-load drain pump flow measurement method calculates the drain pump flow rate, and calculates the drain pump output power and input power according to the above data. The ratio of output power to input power is calculated as the drain pump efficiency.