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6741results about "Controllers with particular characteristics" patented technology

Electromagnetic valve accurate control method based on flow dynamic adjustment

The invention provides a solenoid valve precise control method based on flow dynamic adjustment, which comprises the following steps: acquiring working parameters in real time through a sensor, obtaining real-time working condition data of a solenoid valve, and carrying out noise reduction and normalization preprocessing on the data to generate a comprehensive working condition feature vector; and on the basis of the feature vectors and the target output parameters, flow, temperature and outlet pressure values of future working conditions are calculated through a prediction algorithm. And in combination with the calculated future working condition and real-time working condition data, an optimized control signal is generated and used for dynamically adjusting the opening degree of the electromagnetic valve, and initial dynamic control over the flow and the pressure is achieved. Outlet pressure and flow are monitored in real time through high-frequency sampling, the deviation between actual output and a target value is calculated, and a control signal is corrected based on the deviation. The electromagnetic valve is suitable for high-precision flow and pressure regulation under complex working conditions, has the characteristics of quick response and high regulation precision, and can be widely applied to the fields of environmental protection, industrial automation and fluid control.
Owner:ZHEJIANG BLCH PNEUMATIC SCI & TECH

Automatic monitoring and optimizing system for fine chemical production process

The invention relates to the technical field of automation, in particular to an automatic monitoring and optimizing system for a fine chemical production process, which comprises the following steps of: extracting time-frequency domain fusion characteristic quantity of stirring torque power time sequence fluctuation data in real time through an incidence matrix construction module, dynamically inverting a thixotropic index by combining a deep neural network model, and optimizing the stirring torque power time sequence fluctuation data; the problem that a traditional method is difficult to perceive material rheological characteristics in real time is solved. The dynamic coupling analysis module analyzes the material viscosity change rate based on the thixotropic index, fuzzy PID control is adopted to generate a stirring speed adjusting instruction dynamically matched with the viscosity and a jacket temperature compensation value, and the defects of uneven mixing and local overheating caused by lagging adjustment of process parameters are overcome; the multi-target collaborative optimization module locks the mass optimization weight in the viscosity sudden change stage, rapidly stabilizes the reaction condition through a feed-forward compensation algorithm, dynamically balances the stirring power consumption and the heat transfer efficiency based on Pareto frontier search in the steady state stage, and solves the conflict between the mass and the energy efficiency target.
Owner:SHANDONG BINNONG TECH

High-precision machining method and system for copper pipes of multiple specifications

The invention discloses a high-precision machining method and system for multi-specification copper pipes, and particularly relates to the technical field of copper pipe machining analysis. Raw material parameters, process time sequence data and detection data in the machining process of the multi-specification copper pipes are collected; an enhanced data set is constructed in combination with a B-spline interpolation algorithm and a conditional generative adversarial network, and the problem of insufficient coverage of measured data sparsity and extreme working conditions is solved; a grain evolution-stress coupling simulation model is established to quantify the influence of grain boundary migration on stress, and coordinates and correction coefficients of a high-stress area are marked; a graph convolutional network is adopted to realize cross-scale stress prediction, dynamic process parameters are generated through a multi-objective optimization algorithm, and finally real-time control is performed through digital twin drive. The technical problems of low deformation control precision and high defect rate caused by non-uniform residual stress distribution in traditional copper pipe machining are solved.
Owner:ZHUHAI GANGLONG METAL CO LTD

Underwater robot autonomous navigation method based on energy consumption perception

The invention discloses an autonomous navigation method for an underwater robot based on energy consumption perception, which comprises the following steps of: acquiring underwater environment parameters and robot state parameters by fusing multi-sensor data, constructing a factor graph model containing pose nodes and energy consumption nodes by adopting a graph-based SLAM (Simultaneous Localization and Mapping) algorithm; a local area environment energy consumption map is obtained by fusing maximum posteriori estimation of poses and energy consumption with robot state parameters, the local energy consumption map is updated in real time according to extension of a robot exploration area, if the current local energy consumption map covers a global target position, a global energy consumption optimal path is calculated according to the path length and energy consumption, and the optimal energy consumption is calculated according to the path length and the energy consumption. And if the current local energy consumption map does not cover the global target position, triggering local path re-planning, generating an energy consumption compensation strategy, and if the current path is invalid due to major change of the environment, re-executing global planning.
Owner:GUANGZHOU MARITIME INST

Visual servo tracking method for marine target

The invention relates to the technical field of marine monitoring, in particular to a marine target visual servo tracking method, which comprises the steps of multi-modal sensor fusion, a self-adaptive visual tracking algorithm, a servo control and visual collaboration mechanism and a shielding processing and target re-identification strategy. The problem that tracking is unstable under the conditions of illumination change, ship body shaking, target shielding and the like in a traditional method is solved. The IMU, the GNSS and the visual data are fused through extended Kalman filtering, ship body shaking is compensated, and the target state estimation precision is improved; the improved D-Fi ne target detection model is combined with an online feature updating mechanism to dynamically adapt to the appearance change of the target; the prediction and correction control strategy and the double-closed-loop PI D controller cooperate to adjust the camera holder, and the tracking delay is reduced; the multi-clue shielding detection and space-time joint feature matching technology ensures accurate re-identification of the target after shielding is removed. The real-time performance and robustness of the tracking system on an embedded platform are improved, and an efficient and stable target tracking solution is provided.
Owner:HAINAN UNIV

Thermal power plant APC advanced process control system and denitration optimization method

The invention relates to the technical field of thermal power plant flue gas denitration, in particular to a thermal power plant APC advanced process control system and a denitration optimization method.The system comprises a data acquisition module for acquiring boiler combustion parameters, flue gas emission data and the operation state of a denitration system in real time; the multivariable predictive control module is used for optimizing the combustion efficiency and the NOx generation amount based on a dynamic matrix control algorithm; the denitration optimization decision module is used for dynamically adjusting the ammonia spraying amount through an ammonia escape feedback model; the intelligent coordination module integrates a unit load instruction and an environmental protection constraint condition and is used for cooperative control of combustion-denitration; according to the system, boiler combustion parameters, flue gas emission data and the operation state of the denitration system are obtained in real time through the data acquisition module, a dynamic matrix control algorithm of the multivariable prediction control module is combined, the NOx generation trend can be predicted in advance, the combustion efficiency can be optimized, and therefore the problem that adjustment is lagged when loads fluctuate in traditional PID control is effectively solved.
Owner:HUANENG DAQING THERMOELECTRICITY CO LTD

Intelligent brushless motor and control method thereof

The invention is suitable for the technical field of brushless motor control, and provides an intelligent brushless motor and a control method thereof, and the method is applied to a control system of the intelligent brushless motor. The system comprises a data acquisition module, a model construction module, a training tuning module, a model verification module, a parameter setting module, an operation application module, a wireless communication module, a memory, an alarm, a processing center and an intelligent mobile terminal. The data acquisition module, the model construction module, the training optimization module, the model verification module, the parameter setting module, the operation application module, the wireless communication module, the memory and the alarm are respectively connected with the processing center; the invention also provides an intelligent brushless motor. According to the method, the AI model is constructed and trained by collecting the daily motor operation quality data, and the operation control parameters are matched according to the model, so that various operation quality abnormalities are prevented, and accurate control of the motor is ensured.
Owner:GUANGDONG SHANGYIDA MOTOR CO LTD

Intelligent incubation bin anti-interference control method and system based on error self-learning

The invention provides an intelligent incubation bin anti-interference control method and system based on error self-learning, and relates to the technical field of intelligent control, and the method comprises the steps: respectively calculating a temperature deviation value and a humidity deviation value according to an optimization parameter sequence of a temperature prediction error and an optimization parameter sequence of a humidity prediction error; performing normalized weighted summation on the temperature deviation value and the humidity deviation value, and performing dynamic scaling through a Gaussian kernel function to obtain a correction factor; dynamically adjusting the activation function slope of a neural network hidden layer according to the correction factor and a BP neural network, reconstructing the weight of the fuzzy rule base based on the numerical distribution characteristics of the correction factor, and generating the corrected weight of the fuzzy rule base; and based on the corrected fuzzy rule base weight, constructing a three-dimensional parameter adjustment curved surface, and dynamically adjusting proportion, integral and differential parameters of a PID controller through a curved surface gradient search algorithm to generate a control signal. According to the invention, the control accuracy is improved.
Owner:HUNAN VOCATIONAL INST OF TECH

Direct-current high-voltage generator regulation and control method and system based on intelligent feedback

The present invention relates to the technical field of circuit control, and relates to a direct-current high-voltage generator regulation and control method and system based on intelligent feedback. A fuzzy control logic operation is performed on an output current flux value and an input voltage fluctuation factor of a load experimental object, so as to obtain the disturbance amplitude of a voltage fluctuation state for a current flux change trend; if a step-up transformer can execute a PID control technology by adjusting a transformation ratio, PID real-time adjustment parameters are calculated, and a crossover mutation operation of individuals is performed on the basis of a fitness function, so as to generate a first boost regulation and control scheme; and if the step-up transformer cannot execute the PID control technology by adjusting the transformation ratio, a calibrated state feedback controller is constructed on the basis of a state variable of the current step-up transformer and an adjustment signal output amplitude, so as to generate a second boost regulation and control scheme. The present invention achieves intelligent feedback regulation and control by independently analyzing components of direct-current high-voltage generators, improving the stability and accuracy of outputting high-voltage direct current.
Owner:SUZHOU HUADIAN ELECTRIC CO LTD

Temperature equalization control method and device for liquid cooling over-charging system

The invention relates to the technical field of temperature equalization control, and discloses a temperature equalization control method and device for a liquid cooling over-charging system. The method comprises the following steps: carrying out grid division on the liquid cooling overcharge system, inputting thermophysical parameters, and obtaining a temperature field calculation matrix through finite difference time domain analysis; establishing a two-layer distributed control network of a station-level control layer and a pile-level control layer based on the temperature field calculation matrix; acquiring real-time temperature data of the two layers of distributed control networks, and performing temperature field mapping to obtain temperature field distribution data; performing linear prediction and nonlinear prediction calculation on the temperature field distribution data to obtain a temperature change trend and a temperature extreme point; the target temperature is calculated according to the temperature change trend and the temperature extreme point, the cascade PID controller is adopted to adjust the rotating speed of the cooling liquid pump, and the temperature balance control parameters are obtained, station-level and pile-level cooperative control is achieved, cooling resources among the multiple charging piles are reasonably distributed, and the overall cooling efficiency of the system is improved.
Owner:SHENZHEN RUNCHENGDA ELECTRIC POWER TECH CO LTD

Unmanned aerial vehicle adaptive flight control system and method based on multi-modal fusion

The invention relates to the technical field of adaptive control, in particular to an unmanned aerial vehicle adaptive flight control system and method based on multi-modal fusion, and the system comprises an airspace analysis module, a signal screening control module, a state recognition module, a parameter matching module and a feedback adjustment module. According to the method, through a multi-source task data analysis and trend signal screening mechanism, the accuracy and real-time performance of path planning and adjustment are improved, through combination of channel fluctuation trend identification and abnormal state locking, the stability of sensing data input is enhanced, and the identification accuracy of an unbalance state is analyzed and optimized by using attitude change direction consistency. The attitude error trend and control parameter segment similarity comparison mode is adopted, parameter matching has dynamic responsiveness, control weight configuration is adjusted through collaborative analysis of the path direction component and the attitude adjustment trend, rhythm self-adaptive adjustment of aircraft control output is achieved, and the control precision of the aircraft is improved. And the dynamic adjustment capability and the safety redundancy response capability of flight control are enhanced.
Owner:SHANDONG HAIKE IOT TECHNOLOGY CO LTD +2

Temperature error compensation method and system for multi-heating-section coffee machine

The invention relates to the technical field of temperature control, and discloses a temperature error compensation method and system for a multi-heating-section coffee maker, and the method comprises the steps: synchronously collecting the real-time temperature value of each heating section, and calculating a temperature error index; constructing a thermal coupling interference model based on the physical distance between adjacent sections and the heat conduction characteristic of the medium; generating a dynamic decoupling compensation parameter according to the model and the error index (including constructing a symmetric interference matrix, calculating a coupling interference component, applying negative feedback and identifying a main interference component); a decoupling parameter is converted into a power adjustment instruction through a multivariable control algorithm (superposition of basic compensation and decoupling compensation, amplitude limiting and phase compensation); and heating output is updated according to the power instruction, and iterative execution is performed based on the error index change trend until the temperatures of all sections reach steady-state balance. The method can effectively model and compensate thermal coupling interference between sections, improves the efficiency of temperature error compensation, and achieves the quick and stable cooperative temperature control of multiple sections.
Owner:SHENZHEN YITOA INTELLIGENT IND CO LTD

Intelligent textile production line control method and system

The invention discloses an intelligent textile production line control method and system, and relates to the technical field of industrial automation, and the method comprises the steps: collecting operation data in a textile production process in real time, and carrying out the data preprocessing; dynamically adjusting process parameters of the textile production line based on the preprocessed data; detecting the quality state in the textile production process in real time, and adjusting the operation of the production line based on the detection result; constructing a multi-feature fusion fault prediction model, and predicting the operation state of the production line equipment; potential faults are recognized in advance according to prediction results, and the operation mode of the production line is adjusted. The method combines multi-feature fusion analysis, dynamically optimizes the equipment operation state, identifies and adjusts potential faults in advance, improves the production quality and efficiency, reduces the maintenance cost and the shutdown risk, is significantly superior to a traditional method, and provides powerful technical support for intelligent upgrading of the textile industry.
Owner:QUANZHOU DINGSHENGSHIJIA INTELLIGENT TECHNOLOGY CO LTD

Partitioned pressurization control method and system for compression molding of carbon fiber prepreg and molding process

The invention relates to the technical field of compression molding of carbon fiber prepregs, in particular to a partitioned pressurization control method and system for compression molding of the carbon fiber prepregs and a molding process. S2, initial pressure calculation; s3, gradient pressurization control; s4, dynamic pressure adjustment; and S5, a global pressure maintaining stage: when the resin curing degree alpha reaches 0.6-0.8, switching to a full-screen pressure maintaining mode, and maintaining the pressure of each region to be 90%-95% of the current maximum pressure value until curing is completed. The invention provides a zoning pressurization control method and system for compression molding of carbon fiber prepreg and a molding process, and realizes the compression molding method and system with accurate zoning pressure regulation and control and directional discharge of volatile components. And by integrating intelligent sensing, multi-channel hydraulic control and a data driving optimization algorithm, the limitation of a traditional process is broken through, and a technical support is provided for efficient forming of the high-performance carbon fiber composite material.
Owner:CHENGDU ZHENGXI INTELLIGENT EQUIPMENT GROUP CO LTD

DC-DC power supply dynamic response optimization system based on digital PID

The invention discloses a DC-DC power supply dynamic response optimization system based on digital PID, which relates to the technical field of DC-DC power supply dynamic response optimization, and comprises a voltage and current sampling module, a reference signal generation module, an output signal generation module, a digital signal generation module, a control module and an output signal generation module, the digital PID controller calculates control output according to errors, the PWM signal generation module generates corresponding PWM signals according to the control output, the power switch driving module amplifies the signals to drive a switch tube, the load monitoring module monitors load changes in real time, output of the load monitoring module can be fed back to other modules, and power supply dynamic response optimization is achieved. According to the invention, the dynamic response performance of the DC-DC power supply is remarkably improved, the output fluctuation is reduced, the recovery time is shortened, the power supply efficiency is improved, the stability is guaranteed by adopting multiple anti-interference design, peripheral elements are reduced, miniaturization is realized, the cost is reduced, fault diagnosis is realized, and the service life is prolonged.
Owner:SHANGHAI YIJING MICROELECTRONICS TECH CO LTD

New energy automobile control circuit board production process optimization control method and system

The invention provides a new energy automobile control circuit board production process optimization control method and system, and relates to the technical field of production control, and the method comprises the steps: collecting production process parameters in real time, inputting the parameters into a process digital twin model, and obtaining process deviation data; and inputting the deviation data into a process parameter optimization model based on a deep reinforcement learning algorithm to generate an adjustment instruction, performing real-time parameter adjustment on the production line, and feeding back to a digital twinborn model to form closed-loop control. According to the invention, accurate monitoring and intelligent optimization of the production process can be realized, the production quality and the production efficiency of the circuit board are improved, and the rate of defective products is reduced.
Owner:HUNAN HYFLEX TECH

Fuzzy adaptive PID (Proportion Integration Differentiation) flow control method, system, equipment and medium

The invention relates to the technical field of automatic control, in particular to a fuzzy self-adaptive PID flow control method, system and device and a medium, and the method comprises the steps: collecting a mixed bed inlet flow actual value and an inlet flow set value, and calculating a deviation value and a deviation change value; inputting into a fuzzy reasoning module; a fuzzy rule base is constructed based on operation experience, a proportionality coefficient adjustment amount, an integral coefficient adjustment amount and a differential coefficient adjustment amount are dynamically generated, a control signal is further calculated, output is used for driving a pneumatic control valve, the opening degree of the valve is dynamically adjusted, and closed-loop control is formed; preferentially reducing a proportionality coefficient through a fuzzy rule, inhibiting instantaneous overshoot, adaptively adjusting an integral coefficient and a differential coefficient, and optimizing steady-state precision and anti-interference capability; through cooperation of the fuzzy self-adaptive PID algorithm and the high-precision pneumatic control valve, the industrial problems of large control overshoot, slow response and weak anti-interference under the large-flow working condition are solved, and high-precision, high-speed and high-robustness flow closed-loop control is achieved.
Owner:XIAN THERMAL POWER RES INST CO LTD

Intelligent variable-frequency refrigeration and preservation method and system capable of achieving multi-area independent temperature control

The invention provides a multi-region independent temperature control intelligent frequency conversion refrigeration and preservation method and system, and relates to the technical field of refrigeration and preservation. A region division module, a temperature control module, an environment monitoring module, a data analysis module, an intelligent frequency conversion control module and a user interface module work cooperatively; fine temperature control management of different areas in the refrigeration equipment is realized, the system adopts three-dimensional laser scanning and multispectral image acquisition technologies to automatically divide temperature areas, a quantum-level precision thermistor array and an intelligent fuzzy PID controller ensure accurate temperature control, and meanwhile, humidity and air flow are monitored to optimize a storage environment, so that the temperature control efficiency is improved. The data analysis module is combined with deep learning and an association rule mining algorithm to provide decision support for frequency conversion control and realize energy consumption optimization, the user interface module provides visual operation experience, and the whole scheme improves the intelligence, accuracy and energy efficiency of refrigeration and preservation, and is suitable for various cold chain scenes.
Owner:SICHUAN ENTERPRISE SERVICE CLOUD ENTERPRISE MANAGEMENT GRP CO LTD

Multi-machine running-in test distributed control system and method based on digital twinning

The invention relates to the technical field of digital twinning, in particular to a multi-machine running-in test distributed control system and method based on digital twinning. The method comprises the steps that a sensing execution unit collects equipment operation state data based on a multi-source sensor module and carries out preliminary data processing and detection; the digital twinning unit receives multi-dimensional sensing data of the sensing execution unit based on a dynamic twinning modeling module, establishes an equipment state model, and performs simulation verification and parameter optimization on a control strategy through a Q-learning strategy to obtain optimized control parameters; the intelligent control unit constructs an optimal decision-making model of multi-machine cooperative control based on a cooperative decision-making module, adjusts parameters of an execution mechanism in real time through a PID control algorithm and feed-forward compensation, and generates a self-adaptive control instruction; and the fusion analysis unit constructs a multi-dimensional equipment operation knowledge base based on the knowledge graph module, and generates global optimization parameters through a multi-target genetic algorithm.
Owner:HENAN SHENLAN JINGXING OPTOELECTRONICS TECH CO LTD

Uniform magnetic field design system and method based on intelligent perception

The invention discloses a uniform magnetic field design system and method based on intelligent perception, and relates to the technical field of uniform magnetic fields. Local deviation of a magnetic field is detected and analyzed in real time through an intelligent perception system and a deep reinforcement learning algorithm, and refined magnetic field compensation is realized by dynamically adjusting and compensating coil current; pID (Proportion Integration Differentiation) control is combined with intelligent feedback, a rapidly changing local magnetic field is rapidly and accurately adjusted, local nonuniformity, thermal noise and a potential interference source are identified through quantum simulation analysis, coil parameters are optimized in combination with deep reinforcement learning, and current and coil spacing are adjusted to maximize the uniformity of the magnetic field. The uniformity and the stability of the magnetic field are remarkably improved, meanwhile, the resistance to thermal noise and external disturbance is enhanced by monitoring and analyzing the change of the magnetic field in real time, recognizing an external interference source and performing compensation adjustment, the dependence on manual adjustment is greatly reduced, and different magnetic field requirements can be quickly met.
Owner:GUIZHOU XINGQIAN INFORMATION TECH CO LTD

Ship path tracking method based on adaptive sight guidance and fuzzy adaptive PID

The invention belongs to the technical field of ship path tracking, and discloses a ship path tracking method based on adaptive line-of-sight guidance and fuzzy adaptive PID, and the method comprises the steps: presetting a path point, and obtaining a real-time coordinate; obtaining an actual expected heading angle # imgabs0 # and a ship observation heading angle # imgabs1 #, subtracting the actual expected heading angle # imgabs0 # and the ship observation heading angle # imgabs1 # to obtain a heading deviation # imgabs2 #, and calculating a heading deviation rate # imgabs3 #; the course deviation and the course deviation rate are input into a fuzzy self-adaptive PID motion control module, and gain parameters are output through a fuzzy control algorithm; the gain parameter and # imgabs4 # are input into a PID controller to calculate a ship rudder angle # imgabs5 #; inputting # imgabs6 # into the motion mathematical model to update the motion state, and forming a closed-loop updated motion state to enable the ship to approach a preset path point; and judging a ship path after the state information is updated. The expected course of the ship is calculated in real time and the sideslip angle of the ship and the control parameters of the ship are adjusted in real time through self-adaptive sight guidance, and the control parameters are automatically adjusted in real time by means of the fuzzy self-adaptive PID motion control module to achieve accurate motion control, so that the ship travels according to a preset planned path.
Owner:SANYA SCI & EDUCATION INNOVATION PARK WUHAN UNIV OF TECH

Dynamic path planning and self-adaptive control method and system for coating robot

The invention discloses a dynamic path planning and self-adaptive control method and system for a coating robot, and relates to the technical field of coating automation. The method comprises the following steps: acquiring point cloud data through three-dimensional scanning equipment, constructing a dynamically updated workpiece curved surface model, and extracting curvature, edge and high-curvature mutation region features; a spraying path is generated based on a reinforcement learning algorithm, and path density, speed and coating supply are dynamically adjusted for a high-curvature area; distance, force feedback and environment parameters are fused, and mechanical arm and spray gun parameters are dynamically adjusted; dividing operation sub-areas and distributing tasks based on robot capability characteristics to realize multi-machine cooperation; and fault redundancy control and multispectral imaging are added to optimize the coating quality. The system comprises a sensing module, a decision-making module, an execution module, a redundancy control module and a communication module. According to the invention, the uniformity of the complex curved surface coating, the multi-machine cooperation efficiency and the system anti-interference capability are improved, and the method is suitable for spraying large workpieces such as aircraft fuselages and high-speed rail vehicle bodies.
Owner:GUANGDONG CHUANGZHI INTELLIGENT EQUIP CO LTD

Crosslinked cable production control method based on improved PID control algorithm

The invention relates to the technical field of cable production automation control, and provides a crosslinked cable production control method based on an improved PID (Proportion Integration Differentiation) control algorithm, which comprises the step of constructing an optimal reference model by establishing a cooperative control framework of temperature, pressure and traction speed and taking the temperature of a vulcanization pipe as a main control variable and the pressure and the traction speed of an extruder as slave control variables. A main controller tracks a temperature set value in real time, PID parameters are dynamically set according to technological parameters such as the thickness deviation of an insulating layer and the crosslinking degree of a material, and precise control is achieved through a three-ring cooperative coupling improved PID controller. A temperature control ring enables the steady-state error of the actual temperature and the set value to be converged to zero. The pressure and speed control loop converges the fluctuation amplitude to a process allowable range. The temperature stability, the pressure uniformity and the traction synchronism of crosslinked cable production can be improved, the process fluctuation and the defect rate are reduced, and the product quality and the production efficiency are improved.
Owner:ZHEJIANG CHENGUANG CABLE CO LTD

Comprehensive method for correcting parabola trajectory deviation of movement speed of stacking machine

The invention discloses a stacking machine motion speed parabolic trajectory deviation correction comprehensive method, and relates to the technical field of stacking machine trajectory deviation correction, and the method comprises the following steps: carrying out the data collection of the real-time motion trajectory of a stacking machine through an acceleration sensor, an encoder and a visual recognition system, building a trajectory deviation detection model, and carrying out the calculation of the trajectory deviation detection model; the motion speed, the acceleration and the position information are extracted, and the deviation value of the current trajectory deviating from the ideal parabolic trajectory is calculated. According to the invention, through multi-sensor fusion and Kalman filtering, the accuracy and stability of track correction of the stacker are improved; an LSTM neural network is adopted to predict inertial errors, and correction failures are reduced in combination with an adaptive compensation strategy; a double-closed-loop control and anomaly detection mechanism is introduced, intelligent safety protection is achieved, the fault recovery capacity is improved, it is ensured that the stacking machine stably operates in a complex environment, and the reliability and working efficiency of an automatic warehousing system are enhanced.
Owner:JIANGSU ZHIJIE JUFENG TECHNOLOGY CO LTD

AI model adaptive tuning method based on deep reinforcement learning

The invention discloses an AI model adaptive tuning method based on deep reinforcement learning, and belongs to the technical field of industrial process control, the method comprises the following steps: firstly, constructing a deep reinforcement learning environment comprising a state space, an action space and a reward function, the state space comprising a process variable measurement value, a controller parameter and a performance index; the action space is a parameter adjustment quantity vector, and the reward function comprehensively considers the stability, rapidity and accuracy of the system; then, based on a deep Q learning network of a dual-network structure, training data are stored and sampled by adopting an experience playback mechanism, and network parameters are iteratively optimized through a deep Q learning algorithm; and finally, realizing online adaptive adjustment of controller parameters by using the optimized deep Q network. The method has the advantages of being high in adaptability, good in optimization performance, high in practicability and the like, intelligent optimization control over an industrial process control system can be achieved, and the overall performance of the system is improved.
Owner:CHINA NET INTELLIGENCE (XIONGAN) TECHNOLOGY CO LTD

Constant-temperature and constant-humidity test chamber temperature control system based on multistage PID algorithm and control method of constant-temperature and constant-humidity test chamber temperature control system

The invention discloses a constant-temperature and constant-humidity test box temperature control system based on a multistage PID algorithm and a control method thereof. The constant-temperature and constant-humidity test box temperature control system comprises an environmental parameter detection module, an in-box parameter detection module and a multistage PID controller, wherein the environmental parameter detection module is used for collecting temperature, humidity and air pressure data outside a test box in real time; the in-box parameter detection module is used for collecting multi-dimensional environmental parameters inside the test box; when the failure of any sensor is detected, starting a fault self-diagnosis module, replacing the data of the failure sensor with a data interpolation method of a side sensor, and recording the deviation compensation amount at the same time. A multi-stage PID control architecture is adopted, and feedforward compensation, parameter adaptive optimization and fault redundancy strategies are combined, so that high-precision and anti-interference control of the temperature and humidity of the test box is realized.
Owner:SHENZHEN O&H TESTING TECH CO LTD

PCB forming detection method based on hole site scatter diagram and SPC analysis

The invention relates to the technical field of printed circuit board manufacturing and quality detection, in particular to a PCB forming detection method based on a hole site scatter diagram and SPC analysis, and the method comprises the steps: collecting the actual hole site data of a PCB substrate through an optical scanner or a laser measurement device, generating a scatter diagram containing coordinates, aperture and tolerance, and carrying out the detection of the hole site scatter diagram; an abnormal region is identified by using an improved density clustering algorithm; performing multi-dimensional analysis on the scatter diagram based on an SPC model, extracting characteristic parameters such as hole site density deviation, constructing a dynamic control limit, and calculating a CPK to judge a processing state; and when the CPK is lower than a threshold value, optimization instructions such as drilling path correction and drill bit wear compensation are generated and fed back to the equipment through the anti-saturation fuzzy PID controller to realize closed-loop control. According to the method, the hole site machining quality can be accurately detected, the machining parameters are adaptively adjusted, and the PCB forming precision and the production stability are effectively improved.
Owner:FUJIAN FUQIANG PRECISION PRINTED CIRCUIT BOARD CO LTD

Thermal power plant circulating water intelligent dosing system and method based on multi-module cooperation

The invention discloses a thermal power plant circulating water intelligent dosing method based on multi-module cooperation. The system is composed of a detection module, a control module, a chemical adding module, a sewage discharging module, a water supplementing module and an AI intelligent learning feedback module, key parameters such as the pH value, the conductivity, the temperature, the residual chlorine, the turbidity and the flow of circulating water are monitored in real time through a multi-dimensional sensing network, a dynamic water quality prediction model is established in combination with an AI algorithm, and precise closed-loop control over the chemical adding amount is achieved. The system adopts an intelligent decision-making mechanism coupled by a fuzzy PID algorithm and deep reinforcement learning (DRL), can adaptively adjust the dosing proportion of chemicals, and synchronously links a blow-down valve and a make-up pump to maintain the water balance of the system. The system solves the problems of large hysteresis quality and high manual dependence degree of a traditional dosing system, has the characteristics of real-time response, accurate control, energy conservation and consumption reduction, and provides an innovative solution for intelligent transformation of a circulating water system of a thermal power plant.
Owner:NORTH CHINA ELECTRIC POWER UNIV +1

High-standard farmland intelligent irrigation system based on Internet of Things and data analysis

The invention relates to the technical field of agricultural intelligent irrigation, and discloses a high-standard farmland intelligent irrigation system based on Internet of Things and data analysis, and the system comprises a soil moisture content sensing module which collects data through a multi-source sensor to construct a three-dimensional soil moisture content distribution model, and generates a soil moisture content characteristic spectrum; the soil moisture content prediction module generates water demand prediction data based on the soil moisture content characteristic spectrum, the meteorological data and the crop growth stage; the irrigation strategy module fuses terrain elevation and pipe network pressure parameters to generate an irrigation control map; the equipment state monitoring module collects water pump current waveform and other data to generate equipment health degree parameters; the pipe network optimization module optimizes pipe network topology and generates an adjusting instruction; the multi-source data fusion module generates fusion evaluation indexes by using an evidence theory, an entropy weight method and the like; and the intelligent execution module generates an execution control instruction accordingly. All the modules cooperate to achieve precise irrigation, and the utilization efficiency of water resources and the intelligent level of farmland management are improved.
Owner:太行城乡建设集团有限公司

Fuzzy control-based smelting waste gas recycling optimization system

The invention discloses a smelting waste gas recycling optimization system based on fuzzy control, and relates to the technical field of automatic control. The problems of low control precision and response lag caused by the fact that an existing static membership function cannot adapt to multi-scale working condition changes in real time are solved. Comprising a sensing acquisition module, a membership reconstruction module, a feature decoupling module, a coupling compensation module, a rule optimization module and an execution control module. Standardized data are acquired through sensing acquisition and filtering, an adaptive membership function is constructed by adopting incremental fuzzy clustering, and closed-loop self-correction of a multi-modal control instruction is realized by combining wavelet packet decoupling, feed-forward compensation and double-depth Q network reinforcement learning online optimization; the waste gas desulfurization efficiency, energy consumption optimization and treatment system stability of waste gas treatment can be effectively improved.
Owner:XICHUAN BEIJING JINYANG VANADIUM IND CO LTD