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

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.

A flow measuring method for a thermal power generation unit independent low pressure drain pump based on energy balance. The thermal power system in the invention is composed of an independent low pressure heater (low pressure heater for short) and a drain pump; wherein, the drain pump is adopted to mix the low pressure heated drain water with condensation water at the outlet of the drain pump, and no other drain water flows in for low pressure heat release. Low pressure heated steam extraction temperature and pressure, outlet water temperature, pressure and drain water temperature can be obtained from the databases of a thermal power plant supervisor information system (SIS) or a distributed control system (DCS); the steam extraction enthalpy of the heater, the low pressure heater outlet water enthalpy and low pressure heater drain water enthalpy are obtained through calculation. A heat transfer balance equation is created for the low pressure heater, a flow balance equation and a mixing point thermal balance equation are created for the drain pump outlet water of the low pressure heater and the low pressure heater outlet water mixing point; a soft measurement module is deduced through the balance equations, and the flow portion of the drain water is obtained through calculation. Finally, combined with the condensation water detection value in the SIS or DCS database, the drain pump flow is figured out accordingly.

The invention discloses a real-time monitoring method and a real-time evaluation method for the seismic performance of a building anti-seismic fupport post. The method comprises the steps of installing a strain sensor in a boom of the anti-seismic fupport post, and installing an acceleration sensor in an inclined strut; recording the initial mass m of a construction electromechanical engineering facility, selecting monitoring data within a certain time length t1 as a calculation interval, calculating the self-vibration cycle average value Ttest and the static strain average value epsilon test1 of obtained original data after the installation of the anti-seismic fupport post and before the usage of the anti-seismic fupport post, and calculating the initial rigidity k of the anti-seismic fupport post based on the initial mass m and the self-vibration cycle average value Ttest; during the usage stage, selecting monitoring data within a certain time length t2 as a calculation interval, calculating the static strain average value epsilon test 2, the actual quality mtest of the construction electromechanical engineering facility and the resistant-lateral rigidity ktest. The invention discloses a real-time assessment method for the anti-seismic fupport post. According to the invention, the performance of the anti-seismic fupport post can be monitored in real time, so that the use health condition of the anti-seismic fupport post can be further evaluated. The early warning for maintenance and replacement is provided. The advantages of convenience, real-time performance, safety andthe like can be realized.

The invention provides a modeling method of using a membrane humidifier to realize fuel-cell intake-air humidification. A transient simulation model of the one-dimensional flat membrane humidifier isestablished. Governing equations of the model include four conservation equations of a water content in membrane, water vapor in a flow channel, liquid water in a wet side flow channel and energy. High-heat high-humidity exhaust gas of a fuel cell stack is used to humidify desiccated low-temperature reaction gas at a humidification inlet, and a water-heat coupling transfer process inside the humidifier, phase change processes among the water vapor, the liquid water and membrane water and a combined humidification function of water and gas are fully considered. The model is based on a display format updating algorithm, the governing equations are solved at a center of each layer, calculation efficiency is high, and sufficient model accuracy can be guaranteed. The membrane humidifier model can realize coupling with the electricity stack, and a perfect humidification system is constructed through setting of boundary conditions to be used as a numerical simulation tool of heat and mass transfer analysis, structure optimization and type selection of a system, and has very high guiding significance for actual product development.

The invention relates to the technical field of electronic advertising screens, and in particular to a solar electronic advertising screen. The solar electronic advertising screen comprises a base, a support and an advertising screen body and is characterized in that a controller and a storage battery are arranged in the base, wherein the storage battery supplies electricity for the advertising screen body; the support is of a framework structure; the advertising screen body is fixed in the support; the support is fixed on the base; an exhaust fan is arranged on the support; a temperature sensor and a light sensor are arranged on the advertising screen body; a solar panel component is arranged on the top of the support and comprises a solar panel, a supporting rod and an air cylinder; a rotating disk is connected to the lower end of the supporting rod; a motor is connected to the rotating disk and is fixed on the support; the upper end of the supporting rod is hinged to the middle part of the solar panel; the air cylinder is fixed on the support. According to the solar electronic advertising screen adopting the technical scheme, disclosed by the invention, the solar power generation efficiency can be improved; meanwhile, the performance of the advertising screen is guaranteed.

The embodiment of the invention discloses a service performance monitoring method, a reverse proxy server, a statistical analysis server and a system, relates to the field of information technology, and aims to increase the monitoring efficiency and accuracy of service performance and ensure stable running of services. The method comprises the following steps: receiving a user service request by using the reverse proxy server, wherein the user service request carries service identification information; sending the user service request to a corresponding service server according to service identification information by using the reverse proxy server to perform service processing; acquiring time information about service processing of the service server; and saving the time information and the service identification information in a database by using the reverse proxy server in order that the statistical analysis server generates performance statistical data corresponding to a service.

The invention disclose a performance monitoring, diagnosis and maintenance for an industrial controller with the automatic operation capability, and the method comprises the following steps: S1, respectively collecting and storing the data samples of a control loop set value variable SP, a controller output variable OP, a process output variable PV, an actuator state variable AV, a redundancy measurement variable SV and a related process variable RV; S2, recognizing a process model according to the above data samples of the variables, assessing and diagnosing the performance of the controller, so as to obtain the working state of the controller, and adjusting the a variable parameter, corresponding to the working state, of the controller according to a preset processing strategy and the obtained working state. The method can automatically analyze the daily industrial operation data, automatically extracts process information, continuously updates the performance reference automatically according to the changes of dynamic characteristics, and guarantees the real-time monitoring of the performances of the controller.

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.

The invention discloses a financial real-time informationized fixed asset processing device. The financial intelligent processing system comprises financial intelligent processing equipment. The financial intelligent processing equipment is composed of an antenna, a host and a chip. The antenna is of a double-antenna structure, the antenna is detachably and rotatably connected to the outer side ofthe host through a connecting frame, and the antenna is used for wireless transmission of data. The invention provides a cloud platform technology unified management processing method integrating fixed asset value automatic conversion, fixed asset performance real-time monitoring and accounting automatic processing. The method is suitable for financial fixed asset accounting of modern manufacturing enterprises. The value of the enterprise related fixed assets is reflected in real time according to different counting and depreciation modes or value reduction processing of the fixed assets setby equipment operation management personnel, corresponding accounting processing is timely and automatically carried out and recorded on a financial account set platform, and asset management of the enterprise and management overall planning of a financial sharing center are facilitated.

The invention discloses a nanoimprint process monitoring method, a nanoimprint process monitoring device and nanoimprint equipment, and the nanoimprint process monitoring method comprises the following steps: a light source emits a monitoring laser to a PCM module on a to-be-monitored object, wherein the to-be-monitored object comprises a nanoimprint template and/or a nanoimprint product; an imaging module receives the reflected laser of the PCM module to obtain a reflected light spot formed by the reflected laser; and a processor acquires the reflected light spot fed back by the imaging module and judges whether the to-be-monitored object is qualified or not according to the reflected light spot. According to the technical scheme, the PCM module is monitored through the monitoring laser,indirect non-contact real-time process monitoring can be conducted on the to-be-monitored object, and therefore real-time process monitoring is provided in nanoimprint lithography mass production.

The invention provides a software performance monitoring method and device. The method comprises the steps of obtaining memory occupation data of target software in a current system; obtaining a memory early warning value and a memory alarm value; and comparing the memory usage data with the memory early warning value and the memory alarm value, and generating a monitoring measure when a comparison result meets a preset strategy. In the software performance monitoring method and device, electronic equipment and a computer readable medium, the performance of the management software can be automatically monitored in real time without the help of other tool software and manpower participation, alarm information is generated in time so that an administrator can make a corresponding optimization strategy, and normal operation of the management software can be effectively guaranteed.