6 results about "Real time data acquisition system" patented technology

The invention discloses a coal-fired power plant carbon cost dynamic optimization method based on operation small indexes, and belongs to the technical field of data processing, and the method comprises the steps: obtaining an operation small index data set of a coal-fired power plant through a real-time data collection system; performing dynamic calculation based on the operation small index data set in combination with the carbon price information to obtain operation carbon cost data; evaluation is carried out according to the operation carbon cost data, multi-target iterative optimization is carried out according to a carbon cost evaluation result, and a target operation parameter combination is constructed; and according to the target operation parameter combination, the operation state of the coal-fired power plant is adjusted in real time, operation adjustment data is fed back to the operation small index data set for updating optimization, and dynamic closed-loop optimization of the carbon cost is achieved. The technical problem that in the prior art, coal-fired power plant carbon cost static management cannot adapt to carbon price fluctuation and unit working condition changes, and consequently carbon cost management and control are not accurate is solved.

The invention relates to the technical field of intelligent agricultural Internet of Things and facility automation control, in particular to an intelligent greenhouse real-time data acquisition system based on a cloud platform and a control method. Comprising the following steps: constructing a double-end cooperative control model composed of a cloud global optimization model and an edge lightweight prediction model; the system collects real-time state data of the intelligent greenhouse, calculates a prediction value by using a lightweight model and solves a prediction residual error; if the residual error is smaller than the threshold value, the gateway executes communication silence, and a local control signal is generated by directly utilizing a predicted value to drive an execution mechanism; and if the residual error is greater than or equal to the threshold value, the gateway uploads data to the cloud, the cloud server calculates model updating parameters based on the global model and issues the parameters to the edge, and the lightweight prediction model is corrected and updated in real time, so that efficient cooperation is realized. According to the method, the load pressure of the cloud server for processing massive concurrent data is effectively reduced, and reasonable distribution and efficient utilization of cloud side computing resources are realized.

An intelligent operation and maintenance system for full life cycle of a large-scale steel structure, may include: an intelligent identification and diagnosis module configured to acquire an inspection image captured by inspection equipment during the inspection process and to perform damage identification and localization based on a pre-trained damage identification model; a digital twin model construction module configured to construct a digital twin model and to perform online synchronization based on strain, temperature, or vibration distribution data acquired by a real-time data acquisition system; and a digital twin model visualization module configured to, in response to a visualization request, acquire a current digital twin model, and to synchronize all the damage identified based on the inspection image, as well as information on inspection equipment, welding equipment, and repair equipment in working conditions, to the digital twin model, and to perform visualization thereon.

The application relates to a real-time data acquisition system and method for a motor driver, comprising: a data source and a sending unit, which are used for acquiring operation state quantities of a motor, performing Manchester coding, and obtaining Manchester coding signals; a signal conversion unit, which is used for converting the Manchester coding signals into differential signals and transmitting the differential signals, and performing electrical isolation between a high-voltage side and a low-voltage side through a pulse transformer during the transmission process; and a receiving and decoding unit, which is used for receiving the differential signals, decoding the differential signals in the form of a serial data stream, and restoring the operation state quantities. The application realizes completely transparent monitoring of a control loop of up to 100 kHz without interfering with a motor control algorithm, occupying very few CPU computing powers, and needing no secondary-side isolation power supply, and provides a low-cost and high-performance solution for optimization and fault diagnosis of a motor control algorithm.

This invention discloses a wireless real-time data acquisition system for coal magnetic intensity and marker gas concentration, belonging to the field of coal spontaneous combustion experiment technology. The method includes: mixing dry air with a mixed gas and then introducing it into a vertical tubular furnace; placing a coal sample in the furnace for programmed temperature rise; arranging temperature and magnetic intensity sensors within the furnace and connecting them to a microcontroller unit to collect temperature and magnetic intensity data; after programmed temperature rise and oxidation, the gas enters a flow meter and then flows through a gas concentration sensor; the gas concentration sensor is connected to the microcontroller unit to collect the marker gas concentration; the microcontroller unit communicates with a WiFi module via RS485 or a serial port, and the WiFi module transmits the collected data to a mobile application using the MQTT / TCP communication protocol. This invention solves the problem of wireless real-time acquisition of coal magnetic intensity and marker gas concentration during programmed temperature rise experiments.

The invention belongs to the technical field of intelligent parking guidance, and particularly relates to an intelligent parking space guidance system based on edge calculation, and the system comprises a multi-source real-time data collection system, a distributed edge calculation architecture module, and an intelligent decision core operation module. The system can help a driver to quickly find a parking space and optimize the parking lot management efficiency. According to the system, through full-chain optimization of perception-decision-execution, qualitative change and improvement of the operation efficiency of the parking lot are realized. According to the invention, through full-chain innovation of accurate perception, intelligent decision-making and humanized interaction, transformation of parking lot operation from experience driving to data intelligent driving is realized, new industry benchmarks are established in three dimensions of economic benefit, user experience and social value, and reproducible examples are provided for smart city infrastructure construction.