9results about How to "Avoid overshoot" patented technology

The present application relates to the technical field of intelligent dry ice production hydraulic control, a dry ice production hydraulic control method and system based on multi-sensor cooperation, the method comprising: confirming a dry ice production hydraulic control environment based on a dry ice production hydraulic control instruction, performing hydraulic pressure on the dry ice raw material based on a hydraulic cylinder, collecting data based on a multi-source sensing unit, time-synchronizing multi-source information to obtain synchronized multi-source information, analyzing the synchronized multi-source information based on an intelligent analysis and decision unit, calculating a target flow based on a working condition stage, calculating a compensation pressure based on a pipe cross-sectional area and the target flow, performing comparative analysis based on synchronized real-time pressure, synchronized output flow, the target flow and the target pressure, and obtaining a reversing valve control instruction based on the working condition stage. The present application can improve the precision, efficiency, reliability and energy utilization rate of dry ice production hydraulic control.

The invention provides an automatic spectrograph debugging device and method, and the device comprises a standard light source module which is used for providing a reference light signal with a known characteristic spectral line for a to-be-debugged spectrograph; the grating adjusting mechanism comprises an electric rotary displacement table and a linear displacement table, the electric rotary displacement table is used for driving a grating in the spectrometer to rotate around a shaft so as to adjust wavelength accuracy, and the linear displacement table is used for translating the grating in the light path direction so as to adjust spectral resolution; the spectrum acquisition module is used for acquiring spectrum data processed by the spectrograph in real time; a reference spectrum is excited through a multi-spectral-line standard light source, the peak position and the full width at half maximum are accurately extracted by adopting spline interpolation, an electric rotary displacement table and a linear displacement table are driven to perform two-dimensional closed-loop adjustment on a grating, and the wavelength-pixel non-linear mapping correction and convergence criterion are combined, so that the resolution of the grating is improved. And full-automatic high-precision calibration of wavelength accuracy and spectral resolution is realized.

The invention discloses a heat supply secondary pipe network regulation and control method and system based on multi-dimensional data modeling, and belongs to the technical field of intelligent regulation and control of heat supply pipe networks. Preprocessing the multi-dimensional data to obtain preprocessed data; and a prediction model is constructed and trained based on the preprocessed data, and the predicted room temperature of the target room, the target valve opening degree and the corresponding regulation and control instruction are output. And adjusting the opening degree of the corresponding valve according to the regulation and control instruction, and feeding back the adjusted data to the model for optimization. According to the method, full data of the user side and the pipe network side are integrated, the prediction model is established, the opening degree of the valve is pre-judged in advance and precisely regulated and controlled, meanwhile, individual differences of different units and rooms are considered, and the heat supply uniformity and the energy utilization efficiency are improved.

This invention discloses a method and system for regulating a distributed photovoltaic (PV) power station cluster, relating to the field of distributed PV power station regulation technology. When the regulation page receives a power regulation request, it acquires the regulation parameters of each PV power station, performs efficiency evaluation on each parameter to obtain efficiency evaluation data for each PV power station, and dynamically couples and optimizes the efficiency evaluation data and regulation parameters for each PV power station to generate a regulation sequence. Power regulation is then performed on each PV power station sequentially according to the regulation sequence, generating corresponding regulation results and displaying them on the regulation page. This invention addresses the technical problem that power regulation in distributed PV power stations largely relies on manual operation, resulting in low efficiency, error susceptibility, and untimely response, which reduces the reliability of power grid operation.

This invention discloses an intelligent environmental monitoring system for server racks, comprising: an edge perception layer deployed in the server rack for collecting environmental time-series data; a data governance layer including a data verification module, a compression storage module, and a feedback iteration module for anomaly detection, layered compression, and model updates; a collaborative judgment layer including a consensus module for cross-validating anomalous data using the PBFT consensus algorithm; an intelligent control layer including a control module for generating air conditioning control commands using a model predictive control algorithm; and a digital twin layer including a 3D model and a prediction module for predicting environmental change trends and visualizing them. This invention achieves a closed-loop end-to-end system encompassing data verification, lightweight storage, collaborative consensus, intelligent control, and digital twins, significantly reducing false alarm rates, optimizing storage space, improving control accuracy, and enabling predictive maintenance. It can be widely used for data center environmental monitoring.

The application relates to the technical field of voltage compensation control, in particular to a power distribution line dynamic compensation adjustment method for preventing voltage fluctuation. The method comprises the following steps: acquiring voltage deviation degrees and reactive power variation synchronization degrees between each trunk node and each compensation point at each moment; acquiring limit coefficients of each trunk node, and dividing an alternating current power grid area into reactive power compensation coverage sub-areas dominated by each compensation point; calculating line losses of trunk lines in each reactive power compensation coverage sub-area, and acquiring multi-time scale estimation information; acquiring compensation parameters of reactive power compensation devices in each reactive power compensation coverage sub-area, and then correcting compensation capacities of the reactive power compensation devices to dynamically compensate the power distribution line. The application aims to reduce active power loss and voltage drop and improve overall power quality.

The invention discloses an electric furnace oil temperature heating adjustment method and device based on process control and a medium, and relates to the technical field of industrial process control, and the method comprises the steps: reading operation parameters from a PLC control cabinet, forming a safety interlocking state and an oil temperature control interval, and summarizing the operation parameters into a process control package; based on the process control packet and a preset pressure range, executing automatic pressure control on a main motor, and generating a pressure maintaining contribution grade and a pressure stage record; starting and stopping of a heater arranged in an oil tank and on-off of an electromagnetic valve corresponding to the tubular cooler are controlled through the pressure maintaining contribution grade and the pressure stage record, a control instruction is generated, the oil temperature in the operation parameters is adjusted with the oil temperature control interval and the safety interlocking state as boundary constraints, and an execution state record is output. According to the method, heating propagation is modeled through the multi-path interactive diagram, dynamic quantification of the pressure maintaining heat effect on oil temperature adjustment is achieved, and the energy efficiency and stability of electric furnace oil temperature control are improved.

The invention is suitable for the technical field of road base paving, and provides a road base paving thickness regulating and controlling device and a regulating and controlling method, and the device comprises a paver, a thickness self-adaptive compensation mechanism, a thickness regulating and controlling mechanism and an ironing plate. According to the device, through deep fusion of a thickness self-adaptive compensation mechanism and a laser detection technology, the control precision of the paving thickness is remarkably improved, a laser generator integrated in a protection box and a detection plate form a high-precision detection path, and a reference position can be quickly calibrated by matching with an elastic buffer design of a screw rod driven by a handle and a spring rod; initial installation errors are effectively eliminated, the detection plate can adapt to pavement microcosmic fluctuation through an adjustable supporting structure of the balls and the connecting plate, the stability of laser reflection signals is ensured, and the controller is based on the thickness deviation value fed back in real time.

The invention provides an optical anomaly recognition method and an optical anomaly recognition system. The optical anomaly recognition method comprises the following steps: acquiring optical data acquired when a screen body outputs different monochromatic pictures; preprocessing the optical data corresponding to each monochromatic picture to obtain effective area optical data; calculating a reference value based on the effective area optical data corresponding to each monochromatic picture, and multiplying the reference value by a preset coefficient to generate an optical data threshold; and based on the optical data threshold, counting the number of abnormal pixel points in the effective area optical data corresponding to each monochromatic picture, and if the number of the abnormal pixel points is greater than a preset number threshold, judging that the optical data of the current monochromatic picture is abnormal. The abnormal optical data can be identified, excessive compensation based on the abnormal optical data can be avoided, and generation of newly added Mura is prevented.