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50results about How to "Reduce lag" patented technology

Multi-unmanned aerial vehicle cooperative search method based on dynamic region division and multi-constraint virtual force field

The invention discloses a multi-unmanned aerial vehicle cooperative search method based on dynamic region division and a multi-constraint virtual force field, and aims to solve the problems of low search efficiency, unbalanced load, difficulty in guaranteeing the motion safety of multiple unmanned aerial vehicles and the like in multi-unmanned aerial vehicle coverage search. Firstly, a task area, an unmanned aerial vehicle kinematics model and a sensor sensing model are constructed; then, dynamic region division is carried out based on a weighted Voronoi diagram, the search progress of the unmanned aerial vehicle, the responsibility region area and the obstacle distribution condition are comprehensively considered, and self-adaptive balancing of task loads is achieved; and selecting a target point based on a utility function, and finally designing a multi-constraint virtual force field control method consisting of target attraction, obstacle avoidance force, regional barrier force and exploration force, generating an expected speed meeting speed constraint and obstacle avoidance requirements, and realizing stable and efficient coverage search. The result shows that the multi-machine collaborative search efficiency can be effectively improved, and the method is suitable for disaster search, routing inspection monitoring, autonomous detection in a complex environment and other scenes.
Owner:HARBIN UNIV OF SCI & TECH

Belt protection fireproof door

The utility model provides a belt protection fireproof door, and relates to the technical field of fireproof doors, the belt protection fireproof door comprises a material passing device, a gate and an anti-sticking device, the gate is installed on the surface of the material passing device, the anti-sticking device is arranged on the surface of the material passing device, the anti-sticking device comprises a water storage tank, the water storage tank is arranged on the surface of the material passing device, and the anti-sticking device is arranged on the surface of the material passing device. A water inlet pipe is fixedly connected to one side of the material passing device and communicated with the water storage tank, a water adding hopper is fixedly connected to the surface of the water inlet pipe and communicated with the water inlet pipe, and a supporting frame is fixedly connected to the surface of the material passing device and fixedly connected with the surface of the water inlet pipe. According to the anti-sticking device, due to the fact that the anti-sticking device is arranged, the situation that materials of the belt adhere to the gate can be reduced, the situation that the fireproof door is stuck is reduced, the using convenience of the fireproof door is improved, and the attractiveness of the gate is improved.
Owner:HEILONGJIANG KEKUANG TONGFANG TECHNOLOGY CO LTD

A method and device for file pre-reading based on a network shared directory

ActiveCN118152682BImprove read-ahead accuracyReduce lag
The application relates to a file pre-reading method and device based on a network sharing directory and electronic equipment, and belongs to the technical field of network sharing. The method comprises the following steps: S1. A link prediction model is constructed, and the link prediction model comprises two embedding layers and a prediction output layer which are sequentially matched; S2. The two embedding layers of the link prediction model are parameter-optimized through expected reading information and actual reading information in a current state; S3. Embedding representation vectors corresponding to each shared file and carrying network structure information are respectively extracted through the optimized embedding layers; and S4. The embedding representation vectors are input into the prediction output layer, and pre-reading information in the current state is predicted through the prediction output layer. The embedding representation vectors integrated with file names and position relationships are extracted, and the access behavior of a user is learned online, so that files needing pre-reading are predicted, and the accuracy of cross-file pre-reading in network sharing is improved.
Owner:CHINA TELECOM CLOUD TECH CO LTD

Flexible floating mechanism for machining grinding head

ActiveCN224129463UReduce stuck situationsImplement floating contactEdge grinding machinesGrinding machine componentsGrinding wheelMachining
The utility model discloses a machining grinding head flexible floating mechanism which comprises a fixing plate, a connecting shaft and an elastic piece, the fixing plate is parallel to the grinding face of a grinding wheel on a grinding head, the connecting shaft is perpendicular to the fixing plate, the first end of the connecting shaft is fixedly connected to the grinding head, and the second end of the connecting shaft penetrates through the fixing plate and is connected with the fixing plate in a sliding mode. According to the flexible floating mechanism of the machining grinding head, the grinding head is installed on the fixing plate in the sliding mode through the connecting shaft, the elastic piece is arranged between the fixing plate and the grinding head, the grinding head can move relative to the fixing plate, and floating contact between a grinding wheel and a workpiece is achieved. The grinding head is prevented from being pressed too tightly in the grinding work, and the situation that the grinding wheel is stuck due to too large pressure is reduced.
Owner:GUANGDONG JIAZHAO INTELLIGENT MACHINERY MANUFACTURING CO LTD

Intelligent constant-pressure and pressure-stabilizing method and system for whole-section water supply of living house

PendingCN121952191ASolve the technical problem of pressure adjustment lagRealize constant voltage stabilizationWater supply tanksWater supply installationControl engineeringProcess engineering
The invention discloses an intelligent constant-pressure and stable-pressure method and system for whole-section water supply of a living house, and the method comprises the steps: firstly, carrying out constant-pressure and stable-pressure water supply on a municipal direct supply area through the pressure of a municipal water supply pipe; secondly, a secondary water supply pressure stabilizing device is used for meeting the constant-pressure and stable-pressure control requirement for the water supply pressure of the low area and the middle area; thirdly, the pressure value before a pressure reducing valve of a high-area end user is monitored in real time, the outlet pressure of pressurizing equipment is regulated and controlled in real time, and a passive regulation database is established; and finally, after the intelligent constant-pressure and pressure-stabilizing system carries out reinforcement learning on the basis of data of the passive adjustment database, a high-area active adjustment mode is formed, and calibration is carried out through passive adjustment. The strategy can be adaptively optimized, constant pressure and stable pressure of whole-section water supply are guaranteed, meanwhile, system energy consumption is reduced, and the technical problem of pressure hysteresis of a user side is effectively solved.
Owner:SICHUAN GUANGAN AIZHONG WATER CO LTD

A paper strip reversing mechanism

ActiveCN224350075UArticle delivery
The utility model relates to paper strip technology field, concretely is a kind of paper strip reversing mechanism, including strip selector and reversing mechanism, and one end of strip selector is provided with reversing mechanism, and reversing mechanism includes reversing plate, reversing shaft, reversing wheel, jackscrew and internal hexagonal cylindrical head screw, and reversing plate is located the top end of reversing mechanism;The utility model is through three reversing wheel cover and corresponding installation reversing wheel one and reversing wheel two, respectively set up positive face and reverse paper strip slot structure such as falling strip position, when paper strip is selected and identified after being selected by strip selector, reversing wheel can accurately rotate to corresponding position, and when positive strip, paper strip can be quickly pushed into next process by following trend;When reverse strip, paper strip can be made to fall into reverse paper strip slot and turn over smoothly, cooperate with the pushing edge of reversing wheel two, ensure that paper strip completely slides down and enters next process, reduce the situation of jam, and then improve paper strip processing efficiency.
Owner:SHENZHEN MEIQIAO MEDICAL TECH CO LTD

Adaptive detection method for multi-variable dc fault arc based on similarity measure and transfer learning

The application discloses a kind of multi-variable DC fault arc adaptive detection method based on similarity measure and transfer learning, to the system output current of different time period applies wavelet packet decomposition and coefficient reconstruction processing after extraction feature, and input to state identification model to carry out multi-period fault arc judgment, to current working condition through machine learning evaluation feature similarity measure value D and model output probability distribution P joint distribution mode, according to this, the extracted feature is distinguished into unidentifiable working condition type data and identifiable working condition type data, using field adaptive strategy to the simplest feature group of unidentifiable working condition type data carries out transfer learning, to update state identification model, to realize real-time accurate detection of DC fault arc under complex and variable working condition in this way.
Owner:XIAN UNIV OF TECH

Efficient integrated pretreatment system

The utility model discloses an efficient integrated pretreatment system, which relates to the technical field of automatic temperature control devices and comprises a visible washing tank, a two-way needle valve is arranged at the bottom of the visible washing tank, a gas-liquid separator is communicated with the side surface of the visible washing tank, a pretreatment cabinet is arranged on the outer side of a pretreatment cabinet, and a gas-liquid separator is communicated with the gas-liquid separator. The side face of the gas-liquid separator is communicated with the membrane filter through the adjustable flow meter, the zero-point gas switching loop is arranged on the side face of the silica gel tank, by means of the pretreatment system, the replacement number of pressure reducing valves is reduced, the maintenance cost is saved, meanwhile, the liquid level is convenient to adjust through the visual water washing tank, the water washing effect is improved, and the water washing efficiency is improved. The pretreatment system is relatively high in desulfurization and sealing performance, the leakage rate of equipment is reduced, and meanwhile, the risk of pollution of a gas chamber of an online analyzer is reduced. Two paths of switchable desulfurization tanks are adopted, so that continuous and uninterrupted online measurement and online desulfurization agent replacement are realized.
Owner:YUNNAN YUNTIANHUA DAWEI AMMONIA MANUFACTURING CO LTD

A double-mixer cylinder discharge scraper

ActiveCN224686758UAvoid time-consuming and labor-intensive situationsImprove work efficiencyDrive wheelControl theory
The utility model relates to two mixed cylinder discharge technical field, concretely is a kind of two mixed cylinder discharge port scraper, including downcomer, push plate is movably arranged in downcomer, the surface of push plate is fixedly connected with lead screw, the inside slide connection of lead screw and downcomer, the side of downcomer is provided with driving device, auxiliary device driving device includes threaded ring, auxiliary device threaded ring is rotatably connected with the side of downcomer, auxiliary device lead screw is internally threadedly connected with threaded ring, the side of one of auxiliary device threaded ring is fixedly connected with driving wheel, the side of another auxiliary device threaded ring is fixedly connected with auxiliary wheel, chain is engagedly connected between auxiliary device driving wheel and auxiliary wheel. The utility model, by setting driving device, can effectively facilitate worker to discharge the inside of downcomer, avoid the time-consuming and laborious situation of worker when adjusting scraper, to reduce the labor intensity of worker.
Owner:TANGSHAN DONGHUA IRON & STEEL ENTERPRISE GRP CO LTD

Sulfur-containing sewage corrosion inhibitor effect evaluation method based on field data processing

ActiveCN121786432AIncrease the injection concentrationComprehensive assessment of protection
The invention belongs to the technical field of data processing, and particularly relates to a sulfur-containing sewage corrosion inhibitor effect evaluation method based on field data processing, and the method comprises the following steps: obtaining environmental physical quantity data of sulfur-containing sewage, and obtaining a corrosion deterioration index by combining reference parameters; acquiring an initial corrosion rate, and acquiring a net corrosion inhibition index in combination with the reference corrosion rate and the corrosion deterioration index; the dynamic environment fluctuation degree is obtained according to the historical corrosion deterioration index, and then the size of the self-adaptive sliding window is obtained; extracting a concentrated trend characteristic and a discrete distribution characteristic of the net corrosion inhibition index in the size interval of the self-adaptive sliding window to obtain a film forming stability coefficient; and comparing the film forming stability coefficient with a preset judgment threshold value, and outputting a corrosion inhibitor efficiency grade judgment result. According to the method, the real protection level of the agent under the complex working condition is objectively restored, so that the efficiency evaluation of the corrosion inhibitor is more accurate.
Owner:XIAN THREE-DIMENSIONAL TECH DEV CO LTD

A full life cycle operation and maintenance management system for an oil downhole transmitter

ActiveCN121599655BFix limitationsAccurately identify dynamic evolutionFinanceOffice automationInformatizationFull life cycle
The present application relates to the technical field of informationization of oil exploration and development and digital processing of whole life cycle management of industrial assets, in particular to a whole life cycle operation and maintenance management system for an oil downhole transmitter, comprising: an asset data management module for building a whole life cycle data lake serving asset value analysis; a benchmark valuation modeling module for generating a theoretical asset value curve of the transmitter under the assumption of no environmental stress; a risk quantification correction module for outputting a risk-adjusted theoretical residual value; a management performance analysis module for calculating a management performance residual after stripping the influence of environmental risks; a decision and execution module for automatically generating differentiated management instructions for asset disposal, inventory strategy adjustment or supplier evaluation, and driving downstream enterprise resource planning systems or inventory control systems to perform closed-loop operations; the present application effectively solves the phenomenon of shirking operation and maintenance responsibilities due to poor well conditions.
Owner:BAOJI XINGYUTENG MEASURE & CONTROL INSTR CO LTD

An automatic spraying method, system, electronic device and storage medium of a sprayer

The application relates to an automatic spraying method, system, electronic device and storage medium of a spraying machine, and the method comprises the following steps: S1, acquiring a current vehicle speed and a current working width of the spraying machine; S2, calculating a target spraying flow according to the current vehicle speed and the current working width; and S3, adopting a closed-loop control strategy to adjust a current actual spraying flow of the spraying machine according to the target spraying flow, so that the current actual spraying flow reaches the target spraying flow. Through the method, the target spraying flow calculated according to the current vehicle speed and the current working width is used to control the size of the current actual spraying flow in real time, the closed-loop control can increase the adjustment range of the liquid flow, and can reduce the hysteresis of the adjustment to a certain extent, realizes uniform spraying of the liquid medicine, and saves the liquid medicine.
Owner:LOVOL HEAVY IND CO LTD

Automatic assembling and detecting system based on flexible direct current converter valve module

The invention belongs to the technical field of electric power equipment assembly and detection, and discloses an automatic assembly and detection system based on a flexible direct current converter valve module. A cleanliness control assembly; tightening the cooperation assembly; a detection recognition unit; a data fusion and twinborn center; an error evaluation and risk comprehensive evaluation unit; and a scheduling and feedback system. According to the invention, a real-time acquisition and control mechanism is introduced into an assembly executing mechanism, and stress judgment and sequence adjustment are combined, so that the tightening force of the fastener is dynamically adjusted, and different from the operation depending on artificial experience or fixed torque in the prior art, the operation is more accurate. According to the scheme, the pre-tightening force deviation and the local stress concentration position can be automatically recognized in the tightening process, the tightening sequence is adjusted in real time, in this way, the fatigue damage caused by excessive tightening and the loosening problem caused by insufficient tightening are effectively avoided, and the assembly consistency and the structural stability of the valve module are remarkably improved.
Owner:XIAN DASHENG TECH CO LTD

A yarn tension regulating device for a two-for-one twisting machine

ActiveCN224620140UAvoid stretch breaksImprove twist qualityFiberGear wheel
This utility model relates to the field of twisting machine technology, specifically disclosing a yarn tension adjustment device for a twisting machine. The device includes a twisting machine body comprising a hollow spindle, a guide wheel, and a yarn winding device. An internal tension adjustment mechanism is provided within the twisting machine body. This mechanism includes a vertical plate fixedly connected to the inside of the twisting machine body. A support shaft is rotatably connected to the front end of the vertical plate, and a gear is fixedly connected to the outer wall of the support shaft. Through real-time detection of tension during yarn transport, the device promptly responds to tension fluctuations caused by changes in yarn bobbin diameter or yarn material differences, quickly adjusting the yarn transport path length to balance the tension. This effectively avoids problems such as yarn breakage and fiber damage due to excessive tension, and uneven yarn twisting and loose forming due to insufficient tension.
Owner:HANGZHOU AIBU IND CO LTD

Improved vacuum sealing machine

The utility model relates to the technical field of sealing machines, in particular to an improved vacuum sealing machine which comprises a shell capable of being opened and closed in an overturning mode, a vacuum bin is formed in the shell after the shell is closed, the shell comprises a seat body and an upper cover which are connected through a hinge, and the vacuum bin is divided into a lower vacuum area in the seat body and an upper vacuum area in the upper cover. A lower annular groove is formed outside the lower vacuum area, a sealing strip is assembled in the lower annular groove, the interior of the lower vacuum area is divided into an exhaust pipe connector part, and the exhaust pipe connector part is vertical and is communicated with the lower vacuum area; the inner side wall of the lower vacuum area further comprises a protruding block, and a folding area used for folding the bag opening is formed between the protruding block and the inner side wall of the lower vacuum area. According to the technology, the folding area is arranged in the seat body, when the bag body is placed, the bag opening is placed in the folding area in a folding mode, air in the bag body directly flows towards the bag opening along the lower portion during air exhaust, and therefore air exhaust hysteresis is reduced.
Owner:DONGGUAN SUNTECH ELECTRONICS CO LTD

Practical training scene simulation method oriented to Internet of Things

PendingCN121985009AGuaranteed continuityReduce lag accumulationTransmissionAttackParallel processing
The invention discloses a practical training practice scene simulation method oriented to the Internet of Things, and relates to the technical field of network space security and Internet of Things system simulation. The same terminal event is kept in order and different terminal events are propelled in parallel through partition parallel processing according to terminal identifiers; downsampling or delayed processing is executed when queue backlog is triggered, so that the drill system can still maintain the continuity of event processing and instruction handling under the condition of sudden load increase, and the lagging accumulation of state synchronization relative to attack rhythm is reduced; through a preemption mechanism of a priority queue and an asynchronous issuing channel, a high-risk disposal instruction is scheduled preferentially, and retry or degradation alarm is selected according to a terminal operation state branch when timeout is not confirmed, so that additional disturbance introduced by repeated actions in a key state is avoided, and meanwhile, a timeout event is returned to a new event to participate in subsequent detection and recording; and a traceable treatment closed loop is formed.
Owner:SHANGHAI SHIYAN INFORMATION TECH CO LTD

Electric power engineering acceptance quality gate and construction progress plan association management system and method, and electronic equipment

PendingCN122089118AImplement deep bindinglow cost
The invention provides an electric power engineering acceptance quality gate and construction progress plan association management system and method and electronic equipment, and the method comprises the steps: building a unified data model to get through a data source of a quality gate and a progress plan, and achieving the structural association of two types of data; automatically generating a three-level progress plan based on the quality gate division data, and establishing a dynamic mapping rule of the quality gate and a progress key node; monitoring a quality acceptance status and progress execution data in real time, and dynamically adjusting an association relationship and a progress plan through a built-in algorithm; when early warning is triggered, an analysis report containing cost estimation and rectification suggestions is generated, and rectification closed-loop management of cross-terminal collaboration and block chain evidence storage is supported. According to the method, the problems of independence of quality and progress systems, non-communication of information and low collaboration efficiency in traditional electric power engineering are solved, collaborative management of quality data driven progress and progress change linkage quality is realized, and project management efficiency and risk predictability are improved.
Owner:CHINA SOUTHERN POWER GRID INTERNET SERVICE CO LTD

Low-cavity mode gas absorption cell for closed-cavity flux greenhouse gas monitoring

ActiveCN224216548Ulow costfew partsColor/spectral properties measurementsGreenhouse gas fluxAbsorption cell
The utility model relates to the technical field of greenhouse gas detection, in particular to a low-cavity-mode gas absorption cell for closed-cavity flux greenhouse gas monitoring, which comprises a laser used for emitting laser beams, and further comprises a base, a gas absorption tube, a gas absorption tube and a gas absorption tube, and the strip-shaped reflecting mirror a and the strip-shaped reflecting mirror b are respectively arranged at the two ends of the base. According to the utility model, the ultra-thin strip-shaped reflecting mirror is adopted, so that the low-cavity-die and long-optical-path gas absorption cell is realized, the measurement optical path exceeds 5m, the cavity die volume is less than 15mL and the gas replacement time is less than 1s under the condition of small volume, and the absorption cell adopts an up-and-down structure, has few parts, is low in cost and is convenient to debug and maintain; by means of rapid gas replacement and optimized light path design, laser beams can interact with newly entering gas more rapidly, the detector can detect gas concentration changes more timely, flux monitoring precision is improved, and greenhouse gas flux data can be obtained more accurately.
Owner:ANHUI XINPU PHOTOELECTRIC TECH CO LTD

Flow adjusting structure of phosphor copper solder production crystallizer

The utility model relates to phosphor copper brazing filler metal production equipment technical field especially relates to a kind of phosphor copper brazing filler metal production crystallizer flow regulating structure, including machine body, machine body is opened in crystallization cavity, and the through-hole is opened in axial two ends, the top of crystallization cavity is fixedly connected with feed pipe, the top of feed pipe is fixedly connected with adjusting pipe, the inner ring surface of adjusting pipe is fixedly connected with circular column, one end of circular column towards feed pipe is opened with moving groove, slidingly connected with sliding cylinder in moving groove, the outer ring surface of sliding cylinder is opened with multiple evenly distributed filter holes, flow sensor can real-time monitoring the flow condition of phosphor copper liquid, realize stable movement under the cooperation of guide column, to accurately adjust the flow of feed pipe, filter hole on sliding cylinder can intercept metal impurities, reduce equipment cost, simultaneously, the structure realizes the automatic regulation of flow, without manual intervention, reduce the error and hysteresis brought by human operation, and then improve the production quality and efficiency of phosphor copper brazing filler metal.
Owner:XINXIANG QIXING BRAZING TECH CO LTD

Enterprise office resource management and optimization analysis method based on big data

PendingCN122694078AReduce lagSolve the supply and demand mismatch problem
The application discloses a kind of enterprise office resource management and optimization analysis method based on big data, it is related to enterprise office resource management and optimization technical field, first acquisition entity office resource, and the full stock data of virtual office resource, synchronously acquisition multi-source associated data of business scheduling, employee behavior, historical resource use record, respectively construct multi-class office resource time sequence use portrait and the resource demand portrait of each business line, each post, based on two kinds of portrait generation resource supply and demand prediction result in different time periods, according to the scheduling rule of rigid demand priority, flexible demand priority matching generates global resource allocation scheme, real-time check supply and demand deviation and dynamically adjust in allocation scheme execution process.The present application effectively solves the problem of supply and demand mismatch, low scheduling efficiency, high priority business resource shortage in the existing office resource management, and can realize global unified scheduling of entity and virtual office resources.
Owner:TIBET MILAI TECHNOLOGY CO LTD

Sheet metal stamping apparatus based on low-temperature embrittlement and pre-marking guidance

The application discloses a kind of based on low temperature embrittlement cooperates prefabricated mark guide plate stamping equipment, including base and the shelf plate of being movably arranged on base, the holding module for being clamped and positioning outside the processing area of tensioning the plate to be processed of outside the plate to be processed is arranged between the base and shelf plate, and the groove prefabricated module for processing V-shaped guide groove to outside the plate to be processed preset fracture zone, the low-temperature cooling module for the plate after being processed by groove prefabricated module is arranged on the side of base, to reduce the temperature of plate and maintain low-temperature atmosphere by being used for rapid cooling, and the control cabinet for being respectively communicated connection control with holding module, groove prefabricated module and low-temperature cooling module.The application solves the problem that traditional stamping process handles high-strength alloy plate and the outer ring component of difficult deformation material, because prefabricated mark processing, low-temperature treatment and stamping forming link discrete layout lead to parameter matching, low-temperature embrittlement uncontrollable, difficult to realize the problem of accurate control of fracture surface quality.
Owner:C&U CO LTD +1

Research and development investment project discrimination method and system based on large language model

The invention provides a research and development investment project discrimination method and system based on a large language model, and relates to the technical field of artificial intelligence, and the system comprises a data collection module which obtains data through the calling of an API interface, and the data comprises project document data, scientific research report data, market data and historical project data. And the data preprocessing module is used for preprocessing the data, and the preprocessing comprises formatting processing, denoising processing and standardization processing. According to the research and development investment project discrimination method and system based on the large language model, external data source information can be acquired in real time and discrimination standards and rules can be adjusted by introducing an adaptive updating module, the discrimination standards can be flexibly adjusted in the face of rapidly changing market demands and technical progress, and the discrimination efficiency is improved. And the discrimination accuracy of emerging fields or interdisciplinary projects is improved.
Owner:ZHIHE HIGH-TECH (LIAONING) CO LTD

Vehicle control method and device, electronic equipment, vehicle and storage medium

This application provides a vehicle control method, device, electronic device, vehicle, and storage medium. The method includes: collecting vehicle state data within a preset rolling time window during vehicle operation; predicting the vehicle's roll angle and roll moment in parallel using a vehicle chassis state prediction model based on the vehicle state data to obtain a chassis attitude prediction result for the vehicle at a preset future time; and executing a response operation corresponding to the chassis attitude prediction result. This application solves the technical problem of low accuracy in vehicle body attitude control in related technologies.
Owner:ANHUI KAIYANG TECHNOLOGY CO LTD +1

A peltier temperature control module

ActiveCN224698156UImprove loss efficiencyadaptable
The utility model belongs to temperature control device technical field belongs to a peltier temperature control module, including substrate, square hole slot piece, peltier unit, copper base heat conduction sheet, temperature sensor, heat insulating layer and radiating component, square hole slot piece is embedded to one side frame of substrate, peltier unit and copper base heat conduction sheet are closely bonded through heat conduction silicone grease layer, heat insulating layer is embedded to square hole slot piece middle part, peltier unit is embedded in heat insulating layer center recess, temperature sensor and copper base heat conduction sheet pressure -sintered connection, temperature sensor and peltier unit electric connection, radiating component is connected in the other side of substrate and is contacted with peltier unit, is used for radiating cooling. The utility model can solve the low heat conduction efficiency, temperature response slow, control precision is insufficient and so on in prior art.
Owner:SUZHOU CARBON CARD INTELLIGENT MFG TECH CO LTD

Online concentration meter

The utility model relates to the technical field of concentration meters, and particularly discloses an on-line concentration meter, which comprises an on-line concentration meter body, a plug arranged on the circumferential surface of the on-line concentration meter body, eight interfaces of the plug, and a reflection structure arranged on the circumferential surface of the on-line concentration meter body, the reflection structure comprises a prism, the prism is made of sapphire materials, the prism is arranged below the plug, and the plug is arranged below the prism. The reflection structure further comprises an LED light source, a light path optical fiber and a CCD array, by arranging the reflection structure, the instrument firstly changes the refraction angle in soluble liquid, the corresponding refractive index also changes, the refractive index and the concentration temperature rule are as follows: the refractive index is increased, the concentration is increased, the temperature is increased when the concentration is not changed, and the refractive index is reduced; therefore, the refractive index can directly reflect the concentration change, the temperature fluctuation influences the refractive index and the concentration, the sample concentration can be continuously detected, linkage control with a PLC and an upper computer can be realized by arranging a plug, the hysteresis quality between offline monitoring data is reduced, and the practicability is improved.
Owner:GUANGZHOU AICHI INTELLIGENT TECHNOLOGY CO LTD

Smooth transition control method and cooperative control system for full active suspension mode switching

PendingCN122518913AReduce lagreduce shock
The application discloses a full-active suspension mode switching smooth transition control method and a cooperative control system, a future time domain acceleration sequence issued by an intelligent driving system is used to predict a target working mode, so that a suspension controller can actively know the switching demand in advance, and lag and impact caused by traditional post-response control are fundamentally reduced; then, according to a switching span between a current mode and the target mode, a smooth transition time window with differentiation and gradually decreasing size is set, and a continuous reference track of pump rotating speed and electromagnetic valve current is generated by using an S-shaped ramp function, so that a long enough slow change time is obtained for large-span switching to fully suppress hydraulic impact and electrical peak, and a short transition time is obtained for small-span switching to ensure response speed, so that fast and smooth mode transition is realized under the premise of avoiding pressure step and current overshoot.
Owner:CHINA FAW CO LTD

Thermal power unit reheat steam outlet temperature control method based on dynamic parameter optimization

ActiveCN115823575BIncrease the automatic input rateReduce the frequency of movementsSuperheating controlTemperature controlFlue gas
The scheme discloses a thermal power unit reheat steam outlet temperature control method based on dynamic parameter optimization, which directly controls the low-temperature reheater outlet temperature by taking the reheater desuperheating water guide front temperature set value as the flue gas damper dynamic set value baseline, greatly reduces the hysteresis of the reheat flue gas damper control object, and can effectively reduce the action frequency of the desuperheating water. Meanwhile, the reheating flue gas damper set value is dynamically corrected through the deviation between the high-temperature reheater outlet temperature set value and the actual value, the advanced adjustment is carried out before the reheater desuperheating water acts, the closed loop is optimized, and the response speed can be further improved. Therefore, the scheme can not only avoid the influence of frequent and large desuperheating water input on the thermal efficiency of the boiler, but also improve the economy of the unit, effectively reduce the oscillation phenomenon of over-temperature and under-temperature, improve the automatic input rate of the flue gas damper, and reduce the labor intensity of the operator.
Owner:ZHEJIANG ZHENENG TAIZHOU NO 2 POWER GENERATION CO LTD

Method for dynamic prediction of distribution transformer overload safety margin

The present application relates to a power distribution transformer overload safety boundary dynamic prediction method, which divides the power distribution transformer body into multiple boundary control units; collects load current, voltage, oil temperature, phase load distribution and harmonic state information; determines the boundary occupation value of each boundary control unit according to the operation information, and determines the boundary control unit with the maximum boundary occupation value as the current dominant boundary control unit; based on load change, voltage deviation, harmonic change and oil temperature back-off trend, predicts and determines whether the current dominant boundary control unit switches to another boundary control unit within a preset future time window; when it is determined that switching occurs, the overload safety boundary is contracted, and when it is determined that switching does not occur, the current overload safety boundary is maintained; according to the contracted or maintained overload safety boundary, the allowable overload level and the allowable duration are output. The present application is beneficial to improve the accuracy of overload dominant factor identification, and improve the safety and adaptability of overload operation control.
Owner:SHANDONG TEBIAN ELECTRIC POWER EQUIP CO LTD

A mobile platform for a carving machine

The utility model belongs to the technical field of engraver, specifically is a kind of engraver moving platform, the support is slidably connected in the workbench;The first motor is fixedly connected in the support side wall;The first motor output end is fixedly connected with horizontal screw rod The horizontal screw rod is threadedly connected with engraving device;A pair of transmission devices are fixedly connected in the workbench side wall;Slide rail is formed in the transmission device side wall;The slide rail side wall is slidably connected with slide plate;The third motor is fixedly connected on the slide plate;The third motor output end is fixedly connected with rotating rod;The rotating rod middle part is fixedly connected with driving wheel;The rotating rod end portion is rotatably connected with support;The support interior is rotatably connected passive wheel;The inside of transmission device is fixedly connected with multiple wedge belt;By increasing multiple wedge belt, the meshing effect of multiple wedge belt by driving wheel and passive wheel can be generated to increase friction, reduce the damage of wood processing caused by single gear slip, and reduce the occurrence of noise.
Owner:DALIAN XINWEI WOOD IND CO LTD