1281 results about "Programmable logic controller" patented technology

The invention discloses a sewage treatment whole-process operation regulation and control calculation system based on deep learning, and relates to the technical field of intelligent control, and the system comprises a strategy optimization module which optimizes a future pollution trend prediction sequence and a regulation and control factor weight table by using a reinforcement learning strategy network in combination with a genetic algorithm optimizer, dynamically generating an aeration, dosing and backflow operation parameter combination aiming at a regulation target to form a dynamic regulation instruction set; the instruction execution module is used for issuing a dynamic regulation and control instruction set to the programmable logic controller by utilizing an industrial control interface, and collecting response information and real-time effluent quality data as execution feedback information; and the model updating module carries out error comparison on execution feedback information and a future pollution trend prediction sequence, constructs a weighted error sequence, and dynamically corrects deep network parameters through an online fine tuning strategy to form a prediction control model. According to the method, the generalization ability and robustness of the predictive control model are remarkably improved.

The embodiment of the invention relates to the technical field of sludge treatment, and discloses an AGI-based sludge deep dehydration conditioning method, which comprises the following steps: acquiring time sequence sensor parameters detected by a plurality of sensors at a dehydration conditioning system; acquiring an image, acquired by image acquisition equipment, of sludge at the corresponding capillary water absorption detection system; extracting an image feature vector from the at least one image according to the convolutional neural network, and encoding a corresponding time sequence sensor parameter by adopting a Transform module to generate a time sequence feature vector; fusing the image feature vector and the time sequence feature vector into an input state representation; the input state representation is input into an AGI multi-mode model for recognition processing, and output state information is generated through a multi-task decoder; and transmitting the optimal control parameters to a corresponding programmable logic controller so as to adjust the operation state of the dehydration conditioning system. By means of the method, real-time sensing, intelligent decision making and dynamic optimization of the sludge deep dehydration conditioning process are achieved.

The invention discloses a mobile robot accurate docking method based on edge calculation, and aims to solve the problems that the dynamic docking precision is reduced and the collision risk is increased due to micro-motion or drifting of a target station. According to the method, unified time reference alignment is carried out on data of a camera, a laser radar, an inertial measurement unit, an ultra-wideband range finder, a station encoder and a programmable logic controller at an edge node, and a three-dimensional special Euclidean group equivariant multi-source fusion network is used for outputting relative pose estimation and covariance; the estimation in the time window is further used as a condition to be input into a conditional diffusion short-time prediction model to obtain a time-varying mean value and a time-varying covariance, an anisotropic probability tube is constructed, and prediction-measurement joint correction is carried out based on a score function; scenarized opportunity constraints are constructed under correction probability tube constraints, a tubular nonlinear model is adopted to predict, control and solve a reference trajectory, an actuator command is generated in combination with depth visual servo and compliance control, and the technical effects of high precision, robustness and safe docking under the station dynamic disturbance condition are achieved.

The present disclosure relates to the technical field of water treatment, and provides a dosing control system in a water treatment process. The system comprises: a programmable logic controller configured to transmit current characteristic values of water inlet parameter characteristics and water outlet parameter characteristics collected by sensors to an edge gateway, and drive a camera to capture a floc image; the camera is configured to transmit the captured floc image to the edge gateway; the edge gateway is configured to obtain a dosing amount prediction value based on a preset dosing amount prediction model according to the water inlet parameter characteristics, the water outlet parameter characteristics and the floc image, and feed back the obtained dosing amount prediction value to the programmable logic controller; and the programmable logic controller is further configured to control the dosing pump to perform a dosing operation in the water treatment process according to the dosing amount prediction value. The present scheme can improve the dosing control efficiency of the water treatment process.

Embodiments are directed to an advanced, modular, and scalable system integrating a Dissolved Gas Infusion (DGI) system and a Programmable Logic Controller (PLC) to automate and optimize processes such as water filtration, oxygenation, and waste management. The DGI system infuses high-purity oxygen directly into the water, maintaining optimal dissolved oxygen (DO) levels from the post-larvae stage to harvest, and significantly reducing oxygen wastage compared to traditional bubble aeration processes. The system includes modular raceways with load-bearing support beams, twist locks for secure stacking, and observation ports for easy access. This innovative approach ensures efficient, cost-effective, and reliable shrimp production, leading to higher survival rates, faster growth, and improved overall health of the shrimp.

The invention discloses a single-hole cluster test method, device and equipment for cave depot water curtain holes and a storage medium, and relates to the technical field of underground engineering and water sealing.The method comprises the steps that a test instruction input by a user is received; when the test instruction is a single-hole water injection fallback test instruction, sending a single-hole water injection fallback test control signal to a programmable logic controller of the target water curtain hole through an OPC server so as to perform a single-hole water injection fallback test and collect first test data; when the test instruction is a water curtain effectiveness test instruction, water curtain effectiveness test control signals are sent to programmable logic controllers of all the water curtain holes through the OPC server, so that water curtain effectiveness tests are carried out on all the water curtain holes, and second test data are collected; and obtaining a test result according to the first test data and the second test data. According to the application, remote data acquisition and test control of the water curtain hole cluster can be realized without entering the cave depot by field personnel, and meanwhile, the test efficiency and the data accuracy are improved.

The invention relates to the technical field of safety rope processing, and discloses a quantitative cutting machine for safety rope processing and manufacturing, which comprises a workbench, a support shaft, a cutting mechanism, a transverse moving mechanism, an end clamping mechanism, an auxiliary blanking mechanism and a material receiving box, the support shaft is rotatably connected to the right end of the workbench, and a plurality of bosses are fixed on the support shaft; an anti-skid rubber sleeve is fixed to the outer side of the boss, the cutting mechanism is located on the left side of the supporting shaft and installed on the workbench, the end clamping mechanism is located on the left side of the cutting mechanism and connected with the transverse moving mechanism, and the transverse moving mechanism is installed on the workbench. Synchronous cutting of multiple safety ropes can be achieved through multiple bosses of the supporting shaft, multiple through grooves of the cutting mechanism and multiple positioning grooves of the end clamping mechanism, and efficiency is improved; the cutting length is accurately controlled by a laser distance measuring sensor and a PLC (Programmable Logic Controller); and after cutting, the end clamping mechanism loosens the rope, a pressing plate of the auxiliary discharging mechanism presses the rope downwards, and the rope falls into a collecting box through a discharging groove, so that materials are automatically collected, and manual operation is reduced.

The invention discloses an automatic die changing control system of a press machine. The automatic die changing control system comprises a programmable logic controller, electrical hardware electrically connected with the programmable logic controller and an execution component. The programmable logic controller is configured to achieve the control functions of sliding block die-filling height adjustment, balancer air pressure adjustment, die clamping device action, movable workbench operation and die identification number switching, and triggers at least two control functions to be executed in parallel in the die changing process. The programmable logic controller is connected with all electrical hardware and execution components through preset program logic so as to control starting, running and ending of the automatic die changing process in the whole process.

The utility model provides an oxygen injection control system based on dynamic environment variable compensation, and aims to solve the non-linear problem of oxygen content control under environment variable disturbance. Comprising a main oxygen spraying pipeline, an oxygen supplementing pipeline connected with the main oxygen spraying pipeline in parallel, a PLC (Programmable Logic Controller) and a PID (Proportion Integration Differentiation) controller which are respectively connected with the main oxygen spraying pipeline and the oxygen supplementing pipeline and are used for controlling the main oxygen spraying pipeline and the oxygen supplementing pipeline, and an oxygen content measuring pipeline which is in communication connection with the PID controller, the oxygen control system selectively controls the main oxygen spraying pipeline and / or the oxygen supplementing pipeline to be opened or closed.

A system for event-driven distributed data network analysis, the system includes: a multitude of domain data nodes, each comprising a stream storage, a multitude of transformation pods, and a product API, with each domain data node ingesting heterogeneous event streams, validating schema compliance, performing enrichments, and making data products available under versioned schema contracts; each domain data node further comprises a hardware-based edge intelligence appliance comprising an enclosure, a compute module with heterogeneous processing units selected from CPUs, GPUs, and TPUs, a secure enclave module for confidential execution of transformation code on encrypted data, a protocol-structured stream storage medium supporting multi-level retention, and industrial I / O interfaces configured for direct interaction with sensors, programmable logic controllers, and cloud-native services; an event mesh backbone processor configured to connect the multitude of domain data nodes via a publish-subscribe architecture, with the backbone guaranteeing exactly one-time delivery, partition-level sorting, and geo-replicated durability; a Contextual Intelligence Engine coupled with the Event Mesh Backbone processor, the engine comprising a semantic graph memory and a Streaming Graph Reasoner configured to map raw events into an ontology, perform graph joins in real time, and recognize composite causal patterns across multiple domain data nodes; a governance and policy control unit integrated into both the data and control layers. This layer enforces zero-trust security, role-based access control, real-time provenance tracking, and regulatory compliance; and An actuation interface coupled with the contextual intelligence engine and the governance layer. The actuation interface is configured to generate control commands for operational technology devices and digital workflows, thus closing the loop from data acquisition to autonomous decision-making.

The invention discloses a thermosetting mold pressing mold and a temperature and pressure control system, which comprise an upper mold and a lower mold, and are characterized in that according to cavities, runners and sprue structures of the upper mold and the lower mold, lower molds matched with the cavities, the runners and the sprue structures are respectively and independently arranged in the upper mold and the lower mold; embedded electric heating tubes are arranged in the lower dies, temperature sensors are arranged at the ends of the embedded electric heating tubes, pressure sensors are arranged on the lower dies, and the programmable logic controller is electrically connected with the multiple embedded electric heating tubes, the multiple temperature sensors and the multiple pressure sensors; and the data storage module is connected with the programmable logic controller and is used for storing a plurality of temperature-pressure data pairs preset for each feature structure, and each temperature-pressure data pair defines a target temperature value and a target pressure value corresponding to the feature structure under a specific stage or pressure condition in the mold pressing process.

The invention discloses a sheep weight and size measuring system and method, and relates to the technical field of animal husbandry breeding intelligent management. Firstly, the invention discloses a sheep weight and body size measuring system, which comprises a PLC (Programmable Logic Controller), a computer, a channel module, a blocking module, an identity recognition module, an entrance module, an image acquisition module, a weighing module and a grouping module, wherein the PLC is in communication connection with the computer. Secondly, the invention discloses a method for measuring the weight and the body size of the sheep, and the method comprises the following steps: S1, driving the sheep into a guide channel at the entrance of the system, and arranging a queue; and S2, a worker starts a blocking module to communicate the recognition channel with the guide channel, and after the first sheep enters the recognition channel, the blocking module is started again to block the space between the recognition channel and the guide channel and block the next sheep. The device has the advantages of automation, high precision and non-contact, so that personal errors and sheep stress are reduced, and the working efficiency is improved.

The invention relates to a hot update control method and system for an industrial PLC (Programmable Logic Controller) of a microkernel operating system, belonging to the field of industrial controllers. A shadow instance is created by an isolated address space and is bound with a shadow I / O (Input / Output) mirror image and a shadow communication stack; capturing a containment point in the scanning period, wherein the containment point is located between input sampling completion and output submission; acquiring running state information from the current network instance, converting the running state information, and transmitting the converted running state information to the shadow instance; pre-operating the shadow instance in the isolation channel in an accelerated or constant-speed manner, and switching the I / O channel from the current network instance to a shadow I / O mirror image of the shadow instance at the next restraint point if the verification is passed; and continuing to run in parallel for a certain period, unloading the old instance if the continuous running is qualified, and executing rollback if an exception occurs. Depending on a microkernel operating system, shadow instances are drilled and switched under the controlled priority, the real-time performance and certainty are met, the time delay defect of periodic gap switching is overcome, and updating and switching are completed in a single scanning period or a plurality of scanning periods in an atomic mode.

The invention relates to the technical field of automatic control of a dirty oil treatment process, in particular to a dirty oil digital operation control circulation system based on a PLC (programmable logic controller), which comprises a data acquisition module used for acquiring the real-time density and the real-time dielectric constant of feeding dirty oil in real time as well as the set temperature and the actual measurement temperature of the system; the disturbance quantification module is used for calculating an instantaneous deviation degree; determining a disturbance intensity index in combination with the change rate of the instantaneous deviation degree; the control output module is used for calculating a predictive feed-forward component and a feedback component; generating a total control output; the execution decision module is used for triggering constraint reconstruction logic when the total control output exceeds the preset maximum output power of the actuator and the disturbance intensity index exceeds a preset critical threshold value; under other working conditions, the master control output is directly output; according to the invention, the response speed and stability of temperature control are obviously improved, temperature overshoot and undershoot are effectively inhibited, and the accuracy of the process is ensured.

The invention relates to the technical field of production of electronic chemicals, and discloses an electronic grade sulfuric acid deep impurity removal production process based on dynamic cycle adsorption, which comprises the following steps: preparing an adsorbent, providing mesoporous silica gel loaded with dithizone-phosphonic acid difunctional groups as the adsorbent, the pore size of the mesoporous silica gel being 10-50nm, and the specific surface area being greater than 500m / g; the method comprises the following steps: constructing a system, namely establishing a double-adsorption-column dynamic circulating system, dividing the interior of an adsorption column into a saturated region, a mass transfer region and an unpolluted region, and controlling an electronic-grade sulfuric acid solution to continuously flow at a constant flow speed at 30-45 DEG C through a programmable logic controller (PLC); and adsorption operation. According to the invention, the dithizone-phosphonic acid bifunctional group accurately captures metal cation impurities in electronic-grade sulfuric acid through the strong coordination ability of sulfur atoms and transition metal ions, and a double-site synergistic adsorption mechanism is formed.

The invention relates to the field of virtual debugging, and particularly discloses a control program and a virtual debugging method of a cold roll forming machine shearing system, and the method comprises the steps: S1, building a virtual model comprising a feeding mechanism, a shearing mechanism, a servo driver and a photoelectric sensor in an NX MCD environment, outputting an accumulated feeding length and a sensor signal by the model, and receiving the position setting of a cutter; s2, a trimming procedure is written for an S7-1200 PLC (programmable logic controller) in a TIA Portal (TIA Portal); s3, two-way communication between the NX MCD and the PLC is established through OPC, the accumulated feeding length and a sensor signal are mapped into PLC input, and the cutter position set output by the PLC is mapped into NX MCD servo input; and S4, the two are simulated synchronously, control logic and parameters are optimized based on model feedback, and the target is to minimize fixed length error and motion instability. According to the invention, the problems of long field debugging period, high cost, inaccurate shearing triggering and unstable return in the prior art are solved, and the shearing precision and the operation reliability are improved.

The utility model relates to the technical field of production forming equipment, and discloses ceramic membrane production forming equipment which comprises a tank body, a main stirring frame and two auxiliary stirring frames are arranged in the tank body, a PLC (programmable logic controller) is fixedly mounted on the outer circular wall surface of the tank body, and the ceramic membrane production forming equipment further comprises a scraping component arranged on the top surface of the tank body, the scraping assembly is used for scraping substances sinking to the bottom and comprises a plurality of limiting holes, the limiting holes are all formed in the top face of the tank body, moving frames are movably connected into the limiting holes in a sleeved mode, and the tank body, the auxiliary stirring frame, the fluted disc, the gear and the limiting holes are used in cooperation. The effect of scraping and stirring slurry sinking to the bottom of the tank body can be achieved, the slurry can be shoveled up when the slurry reaches the bottommost part by moving the auxiliary stirring frames and the main stirring frame up and down while rotating, and the two auxiliary stirring frames rotate oppositely, so that the stirring effect on the slurry is guaranteed, and the slurry can be fully stirred.

The invention discloses a collecting funnel wear-resistant lining type automatic deviation rectifying and distributing device, belongs to the technical field of mine and mineral processing production, and solves the problems of unbalance loading and deviation caused by deviation of a discharging point in multi-conveying-belt transportation and high maintenance cost of a wear-resistant lining plate. The device comprises a main body supporting and driving system (an integrated bracket, an air cylinder, a bracket and a jackscrew), a deviation monitoring and control system (a deviation sensor, a PLC (Programmable Logic Controller) control box and an electromagnetic valve) and a wear-resistant buffering system (a wear-resistant rubber buffering curtain), the deviation of the conveying belt is monitored in real time through the deviation sensor, the PLC control box drives the air cylinder to drive the support to move transversely, the angle of the buffer curtain is adjusted in combination with the jackscrew, a'monitoring-feedback-adjusting 'closed loop is formed, and dynamic deviation correction of a discharging point is achieved. The buffering curtain replaces a traditional metal lining plate, abrasion is reduced, and replacement is convenient. The device improves the stability of a transportation system, reduces the maintenance cost and adapts to severe working conditions of mines.

The utility model discloses an automation line of a single-chain pneumatic tube type bottle silk-screen printing machine, and aims to solve the problems of low automation level, large occupied area and high cost of the conventional silk-screen printing machine. The automatic line comprises a bottle feeding device, a conveying device, a full-automatic printing machine, a baking device, a bottle discharging device, a fan and a control device. The bottle feeding device pushes materials to a lengthened pin chain of the conveying device through a rubber gear and a pushing air cylinder. The conveying equipment adopts a single-chain design, and accurate conveying of materials is achieved through a second air cylinder and a second ratchet wheel; the baking equipment performs low-temperature drying by using an electric heating tube and heat-insulating asbestos; the bottle discharging equipment achieves automatic collection of materials through a bottle discharging baffle with a slope. The control equipment adopts a PLC (Programmable Logic Controller) and a touch screen, so that the printing speed and the baking temperature can be accurately controlled, and production parameters can be displayed in real time. The automatic line adopts pneumatic control, and is simple in structure, low in cost and high in production efficiency.

The invention relates to a connected hatchery (1) comprising a plurality of devices (22, 23, 24, 25, 3, 42, 43, 44, 45, 46, 47, 5, 62, 63, 64) for handling, processing or vaccinating eggs or chicks distributed along a production line, each of the devices being an automated device fitted with a programmable logic controller (231, 431, 451, 641) capable of producing at least one data stream (F23a, F23b, F23c, F23d, F43a, F43b, F43c, F43d, F43e, F43f, F45a, F45b, F45c, F45d, F45e, F64a, F64b, F64c, F64d) relating to the performance or operations of the said automated device, characterized in that it comprises a data centralizing and processing unit (7) arranged to collect the data streams produced by the programmable logic controllers of said automated devices in order to determine at least one performance indicator (I1, I2, I3) of the production line from one or more of said collected data streams and in order to transmit said performance indicator over a telecommunications network to a remote terminal.

The invention provides a safe starting method and device of a programmable logic controller, a PUF circuit, a starting control unit and a password authentication unit are integrated on a main controller chip of a PLC system, and the method comprises the following steps: responding to power-on of the PLC system, activating the PUF circuit and generating a device root key; the starting control unit activates and operates the starting state machine; under the control of the starting state machine, the starting control unit executes the following step-by-step verification and loading processes: reading a code of a first-stage boot loader from a boot read-only memory of the PLC system, and checking; in the first stage, the boot loader reads encrypted firmware data and checks the encrypted firmware data; loading an operating system component or an application program of the PLC system, and checking; and if the inspection is passed, entering an operation state, and executing a corresponding industrial control task by the PLC system. Firmware tampering and unauthorized code execution are effectively resisted, and the starting safety and the operation reliability of the PLC system are comprehensively enhanced.

The invention discloses an industrial intelligent installation and adjustment platform construction and performance optimization method based on digital twinning, and relates to the technical field of intelligent manufacturing and digital twinning, and the method comprises the following steps: building a unified time-frequency auditing base line, carrying out the continuous sampling of Ethernet switch route refresh pulse and programmable logic controller synchronization rhythm, and obtaining a unified time-frequency auditing base line; extracting a time drift curve, and constructing a time consistency reference surface; and executing causal playback based on the time consistency reference plane, reconstructing a frame sequence change track before and after the interruption of the communication chain, extracting a time sequence dislocation fingerprint and a packet loss link, and generating a pseudo operation risk distribution diagram. According to the method, through establishment of a time consistency reference surface, causal playback, sequence consistency check, time difference injection and evidence chain construction, microsecond-level beat synchronous control and pseudo operation identification are realized, and through combination of phase traction and a reversible time grid, abnormal chain fusing and self-healing are realized. And the real-time performance, the stability and the intelligent level of the digital twin installation and adjustment system are comprehensively improved.

The invention discloses a crane three-axis linkage anti-swing positioning control method, device and equipment and a storage medium, and relates to the technical field of crane control, and the method comprises the following steps: obtaining a cart X-axis current position, a trolley Y-axis current position, a lifting Z-axis current position and a three-axis target position sent by a programmable logic controller; according to the current position of the cart X axis, the current position of the trolley Y axis, the current position of the lifting Z axis and the target positions of the three axes, a three-axis cooperative motion path is planned through an input shaping control algorithm and a position control algorithm; generating a cart speed given value, a trolley speed given value and a lifting speed given value based on the three-axis cooperative motion path; and the cart speed set value, the trolley speed set value and the lifting speed set value are sent to a programmable logic controller, so that a cart frequency converter, a trolley frequency converter and a lifting frequency converter drive three shafts to synchronously run to three-shaft target positions. According to the invention, three-axis linkage high-precision anti-swing positioning of the travelling crane is realized.

The utility model relates to the technical field of water pump production, in particular to semi-automatic water pump assembly line production equipment. The production line comprises a stator feeding station, a wave spring mounting and oiling station, a rotor part press-fitting station, a rear cover press-fitting station, a screw locking station, a static ring press-fitting station, an impeller press-fitting station, an electric measurement station, a gas measurement station, a line body and a PLC (Programmable Logic Controller) general controller, the stator feeding work station, the wave spring mounting and oiling work station, the rotor part press-fitting work station, the rear cover press-fitting work station, the screw locking work station, the static ring press-fitting work station, the impeller press-fitting work station, the electric measurement work station and the gas measurement work station are sequentially arranged in the conveying direction of the line body and are in butt joint with the line body, and the PLC master controller is connected with the work stations and the line body and controls the work stations and the line body. The assembly line can achieve semi-automatic production of water pumps, saves labor cost, reduces labor intensity of workers, improves production efficiency and improves the automation degree of enterprises.

The invention provides a battery frame sleeve press-fitting structure and method based on a servo electric cylinder, and the method comprises the following steps: placing a battery frame, installing a sleeve, starting equipment through an upper operation screen, controlling the movement of a robot and a mechanical arm through the upper operation screen, and pressing the servo electric cylinder and a bushing clamp body according to a track set by a PLC (Programmable Logic Controller); and the bushing pressing clamp bodies are operated to the positions, where sleeves need to be pressed, on the battery frame one by one for pressing. The servo electric cylinder with the moving range of the mechanical arm capable of covering the double stations of the two rotating tables is adopted, the displacement sensor and the pressure sensor are assembled according to the required press-fitting force, press-fitting torque is more accurately controlled and fed back by controlling pressure and displacement parameters, gaps between parts are extremely small, and the press-fitting precision is improved. The form and location tolerances such as coaxiality and perpendicularity are easy to guarantee, the mechanical arm can achieve continuous operation, manual repeated adjustment is not needed, the time of a single process is short, and the productivity is high.

The invention relates to the technical field of samarium-iron-nitrogen permanent magnet material manufacturing, and discloses a digital twinning samarium-iron-nitrogen injection molding process parameter optimization method and system. According to the method, dynamic optimization is realized by integrating the digital twin and the physical production line. And collecting and preprocessing production line real-time sensor data. A digital twin comprising a particle layer, a melt layer and a pole layer is constructed and updated based thereon. By using the twin, the aggregation degree and orientation degree of the samarium-iron-nitrogen particles are predicted in a particle layer, the temperature, shear and magnetic flux distribution are simulated in a melt layer, and the magnetic performance index is evaluated in a magnetic pole layer. According to the prediction and evaluation results, the material temperature, the injection speed, the pulse vibration magnetic field waveform and the pressure maintaining curve are optimized through an artificial intelligence agent model. And finally, the optimized parameters are issued to a production line for execution through the programmable logic controller. According to the method, online self-adaptive adjustment of process parameters is achieved, and the magnet forming quality and efficiency are improved.

The invention discloses an intelligent switching control electrician practical training identification device, which belongs to the technical field of electrical detection and comprises a practical training platform, an operation panel, an electrical carrier plate and a built-in PLC (Programmable Logic Controller), the system integrates power input, a first conversion unit composed of a first isolation transformer and a first contactor, a second conversion unit composed of a second isolation transformer and a second contactor, a control unit, a data storage module, an operation input unit, a feedback unit and a load output unit. A dual-safety interlocking structure combining software interlocking and contactor hardware interlocking is realized through a PLC, and two paths of power outputs cannot be switched on at the same time. The device has the functions of intelligent mode switching, real-time voltage monitoring, fusing and sudden stop dual protection, operation state feedback and practical training data storage, meets industrial-grade and safety-grade practical training requirements, is compact in structure and high in safety, supports closed-loop control and data tracing, and is suitable for modern electrician skill training and intelligent examination and identification.

The invention relates to the technical field of industrial automation control, in particular to a PLC (programmable logic controller) dual-redundancy power supply module supporting checking of operation quality information and a control method, comprising a master power supply, a slave power supply and matched control logic which are redundant to each other; each of the master power supply and the slave power supply comprises an AC input module, a rectification filtering module, a power conversion module, a protection module, an analog quantity acquisition module, an ADC module, an industrial grade MCU module, a nonvolatile storage module, a communication module, a state indication module and an onboard energy storage unit. The control logic comprises the steps that the PLC scans the number of modules to determine master and slave identities; the timer interrupts and triggers the ADC to collect voltage / current / temperature data, the data are stored in the SRAM after being converted, and abnormal data are stored in the nonvolatile storage unit in a classified mode; the 485 communication module responds to a PLC request to export data; and when the main power supply fails, the slave power supply is automatically switched to the main power supply and outputs 24V. According to the invention, real-time monitoring and accurate fault positioning can be realized, the reliability of the PLC system is improved, the cost is low, and the method is suitable for industrial automation scenes.

The invention relates to the field of fire safety engineering, and discloses a fire-fighting deployment method and device under a PLC Internet of Things framework and an Internet of Things platform, and the method comprises the steps: firstly obtaining fire-fighting equipment in a target area, analyzing a cooperative linkage mode, and formulating an early warning response rule; analyzing a data transmission channel according to a rule, querying a performance threshold value, detecting channel performance data, calculating a resource conflict value according to the performance threshold value, and constructing a fire-fighting resource deployment process; secondly, partitioning a deployment process task, and determining an execution sequence and an execution time window; and finally, monitoring a window activity state, constructing a deployment response path, identifying a path core node, and making a fire-fighting optimization deployment scheme. And the response efficiency of fire early warning is improved.

The invention relates to the field of computer intelligent control, and discloses an equipment control instruction generation method and system fusing a large and small model and a rule engine, and the method comprises the steps: collecting industrial equipment multi-mode sensor data, extracting features, constructing task feature vectors, calculating task emergency degree and complexity scores, obtaining task classification labels, and obtaining a task classification result; the task is routed to a fast system or a slow system to generate a candidate control instruction set, after rule engine physical boundary verification and digital twin sandbox effect rehearsal, an optimal instruction is selected and converted into an industrial protocol to be written into a programmable logic controller to be executed, and a decision link is recorded for model iterative optimization; the real-time performance, the safety and the optimization effect of an industrial equipment control instruction are ensured by constructing a fast and slow system cooperative processing architecture and a multi-level verification mechanism.