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44results about How to "Efficient solution" patented technology

An integrated surface plating apparatus for a tin can

ActiveCN224462936URealize multi-dimensional motion controlImprove uniformityCircular discReduction drive
The utility model provides a whole type tin forest tray surface plating equipment relates to tin forest tray plating technical field, including installation support, in the utility model, through the swing mechanism, translation mechanism and the coordinated operation of rotating mechanism, realized tin forest tray in the multidimensional motion control in the plating process, swing mechanism passes through the cooperation of transmission disc, sliding sleeve and sliding rod, converts the circular movement into the reciprocating swing of storage tank, makes the plating liquid multi -angle effect to tin forest tray surface, promotes the uniformity of plating layer, through the screw rod drive plating assembly horizontal removal, expands the plating range, need not manual adjustment work piece to complete large -area plating, rotating mechanism passes through the multistage reduction drive of gear and belt pulley, makes the tin forest tray stable rotation of placing dish drive, optimizes the contact angle of plating liquid and work piece surface, is applicable to the plating treatment of complex structure, three three -dimensional compound movement modes formed by the combination, breaks through the function limitation of traditional equipment, improves plating quality and efficiency greatly.
Owner:LINYI WODA MACHINERY

Electromagnetic wire spool gripping mechanism

ActiveCN224410705Usmart solutionImprove efficiencyProduction logisticsLogistics management
The application relates to the technical field of electromagnetic wire spool storage, and provides an electromagnetic wire spool grabbing mechanism, which realizes accurate grabbing and intelligent tray splicing of electromagnetic wire spools through the synergistic effect of three-axis servo driving, an adjustable pneumatic clamping jaw and an industrial vision system. The mechanism is deeply integrated with an MES / WMS system, significantly improves tray utilization and tray splicing efficiency, reduces manual intervention, and is suitable for transformer production logistics automation scenes.
Owner:WUHAN JINPAN INTELLIGENT TECH CO LTD

Multi-degree-of-freedom grasping and positioning mechanism for emulsion explosive loading robot

ActiveCN224278901UFlexible moving processImprove posture adjustment abilityLoading/unloadingConveyor partsRotary stageRotational freedom
This application relates to the technical field of emulsion explosive loading equipment, and in particular to a multi-degree-of-freedom grasping and positioning mechanism for an emulsion explosive loading robot, comprising a grasping component, a positioning component, and an adjustment component. The grasping component features flexible contact pads and raised structures to increase gripping friction and reduce damage; the positioning component achieves horizontal and rotational freedom through slide rails, sliders, and a rotary table; the adjustment component employs telescopic rods and universal joints to enhance attitude adjustment capabilities. This application, through optimized mechanical structure design, solves the problems of insufficient flexibility and poor adaptability of existing equipment, significantly improving the efficiency and accuracy of grasping and positioning, and providing an efficient and precise solution for the emulsion explosive loading process.
Owner:山西金恒化工集团股份有限公司

Inverse Kinematics Solution Method for Six-DOF Biased Serial Robotic Arms Based on Dual Quaternions

This invention relates to a method for solving the inverse kinematics of a six-DOF offset serial manipulator based on dual quaternions, belonging to the field of manipulator design technology. The method is as follows: Six-DOF offset serial manipulators are classified into Type I and Type II. A reference coordinate system and an end-effector coordinate system are established for each type. The link lengths, position coordinates, unit direction vectors, and line spacings of each joint are defined, thus obtaining the Plück coordinates of each joint. Inverse kinematics analysis and solutions are performed for both Type I and Type II manipulators. The solution method is then validated. This invention achieves efficient inverse kinematics solving, meeting the real-time requirements for inverse kinematics solving speed in industrial scenarios and improving the control performance and application efficiency of manipulators in high-precision operation scenarios.
Owner:HARBIN INST OF TECH

Ankle prosthesis tibial component with composite coating and method of making

PendingCN122251162APromote ingrowthpromote proliferationAnkle jointsJoint implantsAlloy substrateSurgical implant
The present application belongs to the field of foot and ankle surgical implant devices and biomedical material surface engineering technology, and discloses a tibial component of ankle prosthesis with a composite coating, which comprises: a metal substrate which is a bionic trabecular three-dimensional interconnected porous titanium alloy structure, the porosity is 50-80%, the average pore size is 400-900 mu m, and the connected porosity is greater than or equal to 85%, so that the elastic modulus is controlled in the range of 5-20 GPa, and is matched with the cancellous bone of the tibia; a composite functional coating is in situ grown on the surface of the metal substrate, and the composite functional coating comprises a bioactive layer and a functional ion doped layer. The tibial component of the present application comprises a porous titanium alloy metal substrate and a composite functional coating constructed in situ on the surface thereof, the porous titanium alloy substrate is designed in a bionic trabecular structure to form a three-dimensional interconnected porous structure, so as to provide an elastic modulus matched with the cancellous bone of the tibia and promote the growth of bone tissue.
Owner:SHANGHAI SIXTH PEOPLES HOSPITAL +1

A Label-Enhanced Supervised Multimodal Hash Retrieval Method and System

This invention discloses a supervised multimodal hash retrieval method and system based on label enhancement, belonging to the field of artificial intelligence and multimedia retrieval technology. The technical problem this invention aims to solve is how to better capture the similarity information between multimodal data points and achieve better performance and accuracy in multimodal retrieval tasks. The technical solution includes: data preprocessing: acquiring and organizing public datasets of image and text modalities, and dividing each public dataset into training, testing, and retrieval datasets; extracting deep features: using a pre-trained network model to extract features from the raw data of the public datasets of image and text modalities respectively, obtaining deep features of the image modality and the text modality; offline training; variable update and optimization; and online query. The system includes a data preprocessing unit, a feature extraction unit, an offline training unit, a variable update and optimization unit, and an online query unit.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES)

A power cord winding mechanism and a cord winder for a bamboo cutting shear

ActiveCN224394331URealize the locking functionImplement unlocking functionControl theoryPower cord
The utility model discloses a kind of power line winding mechanism and line winder of bamboo cutting scissors, the power line winding mechanism of bamboo cutting scissors includes mounting bracket, winding assembly, wire arrangement component and locking assembly installed on mounting bracket;Winding assembly and winding assembly are sequentially installed on mounting bracket, winding assembly includes winding limiting piece;Locking assembly controls the rotation state of winding limiting piece by mechanical limit, to realize the locking state and the unlocking state of switching winding mechanism.The utility model realizes efficient power line management by modular design: winding assembly orderly receives and releases wire, wire arrangement component prevents winding, locking assembly accurately controls the rotation state of winding assembly;In locking state, guarantee transportation stability, when unlocking, quick collection and release improve efficiency.The utility model compact structure is light and handy, adapts complex terrain, prolongs power line coverage range, reduces equipment carrying frequency, significantly improves the applicability and practicality of electric bamboo cutting scissors equipment in forestry operation.
Owner:XIHUA UNIV

A composite nanozyme and a kit for simultaneous recognition of multiple exosomes.

PendingCN122076480Aefficient solutionreliable solutionMaterial nanotechnologyPhysical/chemical process catalystsAptamerPeroxidase
This invention discloses a composite nanozyme and a kit for simultaneous recognition of multiple exosomes. The kit includes an aptamer / composite nanozyme solution, exosome standards, TMB substrate solution, H2O2 solution, and 96-well plate enzyme labeling strips. This invention innovatively utilizes Ti3C2T... x A nanozyme (MX-MnNF) formed by combining MXene nanosheets and MnO2 nanoflowers was constructed, and a colorimetric sensor array was built by modifying it with three aptamers: EpCAM, MUC1, and HER2. Based on the peroxidase-like activity of the nanozyme, it can catalyze the TMB-H2O2 reaction to produce color changes, enabling the simultaneous recognition of multiple exosomes. This method can complete the detection within 10 minutes, with a detection sensitivity of up to 10 particles / mL and an accuracy of up to 95% for clinical samples. It has the advantages of simple operation, rapid detection, and high sensitivity, providing a new technical means for tumor liquid biopsy.
Owner:HUBEI UNIV OF TECH

Quantitative charging device for sodium caseinate

ActiveCN224349176UHigh quantitative accuracyQuick fill jobPackage sterilisationLiquid material
The utility model discloses a kind of sodium caseinate is used to quantitative loading device, it belongs to quantitative equipment technical field, including anchoring structure, its upper surface one side fixedly connected pipe valve stable structure, pipe valve stable structure is fixedly connected three-way branch ware in, anchoring structure upper surface other side fixedly connected reciprocating power module cabin, reciprocating power module cabin inner wall one side rotationally connected adjustable phase driving disc, three-way branch ware one side fixedly connected quantitative assembly, reciprocating power module cabin upper surface fixedly connected sterile raw material bin, sterile raw material bin upper surface fixedly connected flow state flow guide dome.The utility model is through setting quantitative assembly, ensure that the amount of dairy product that is inhaled from sterile raw material bin and pushed to soft package each time is constant, to improve the quantitative accuracy of packaging, while device operation process is simple and clear, reduce operation difficulty and labor cost, improve production efficiency, quickly, accurately complete the filling work of a large number of soft package, satisfy production line demand.
Owner:HEILONGJIANG HEYI DAIRY TECH CO LTD

Multi-robot path planning method in complex environments based on SFA-MOAHA

This invention discloses a multi-robot path planning method in complex environments based on multi-strategy self-learning, belonging to the field of multi-robot path planning technology. This method employs the Spiral Forward Adaptive Multi-Objective Artificial Hummingbird Algorithm (SFA-MOAHA) for path planning, enhancing the algorithm's local exploitation and global exploration capabilities by fusing a spiral approximation strategy and a forward fusion learning strategy. Simultaneously, a deep reinforcement learning mechanism is introduced to adaptively select the optimal search strategy based on population state and environmental feedback during the iteration process. Compared to existing technologies, this invention can efficiently solve multi-robot path planning problems in complex dynamic environments, generating high-quality collision-free cooperative paths. It not only effectively avoids collisions between robots and between robots and static / dynamic obstacles, but also significantly shortens the overall path length and improves task completion efficiency, thereby enhancing the safety and robustness of the multi-robot system.
Owner:GUIZHOU UNIV

A cooling water pipeline structure

This utility model discloses a cooling water pipeline structure, belonging to the field of chemical technology. It includes an electric furnace body, with a cooling water pipe wound around its outer surface. An outlet pipe is located at the lower side of the cooling water pipe, and an inlet pipe is located at the upper side of the cooling water pipe. An external pipe connection and fixing mechanism is provided at the other end of both the inlet and outlet pipes. This utility model achieves rapid connection and fixing of the external pipe and the cooling water pipe through this external pipe connection and fixing mechanism. Its unique plug and slot design, combined with the locking mechanism of the inclined plug and spring, allows the external pipe to be quickly installed without complex tools and cumbersome steps, greatly saving installation time and labor costs. At the same time, this fixing method is firm and reliable, effectively avoiding cooling water leakage caused by unstable pipe connections and ensuring the stable operation of the cooling system.
Owner:WUHAN XINKANG CHEM EQUIP CO LTD

Convenient water flux tester

The utility model discloses a convenient water flux tester which comprises a first conducting hose, a peristaltic pump, a second conducting hose, a pressure gauge, a third conducting hose and a filter, one end of the first conducting hose extends into liquid to be tested, and the other end of the first conducting hose is connected with an inlet of the peristaltic pump; an outlet of the peristaltic pump is connected with a second conducting hose, and the other end of the second conducting hose is connected with a pressure gauge; the other end of the pressure gauge is connected with a third conducting hose which is connected with a filter; and a membrane to be detected is placed in the filter. According to the utility model, the water fluxes of different membrane materials can be conveniently and quickly tested, an accurate water flux value can be obtained through simple calculation, and the water flux testing device has the advantages of convenience in operation, easiness in carrying, wide application range and the like.
Owner:HANJIANG NORMAL UNIV

A method and device for intelligent matching and allocation of experts and projects

PendingCN122088923Aavoid one-sidednessScientific quantitative matchingBiological modelsOffice automationMatch algorithmsData mining
This invention proposes an intelligent matching and allocation method and device for experts and projects. The method includes: constructing a multi-dimensional fusion matching model based on acquired expert and project information. This model calculates a comprehensive matching score between experts and corresponding projects by weighted fusion of sub-scores based on expert professional matching degree, experience fit, workload balance, and geographical distribution balance; selecting a matching algorithm based on the number of experts and projects to be allocated; using a first matching algorithm when the problem size is no greater than a preset threshold; and using a second matching algorithm when the problem size is greater than the preset threshold; and generating the optimal matching scheme between experts and projects based on the comprehensive matching score using the selected matching algorithm. Based on this method, this invention also proposes an intelligent matching and allocation device for experts and projects. This invention achieves more accurate quantitative matching by constructing a comprehensive evaluation model integrating four dimensions: professional expertise, experience, workload, and geographical distribution.
Owner:SHANDONG PROVINCIAL LAND SURVEYING & MAPPING INST

Preparation method and application of porous structure CuFe2O4

The application relates to the technical field of water pollution treatment, in particular to a preparation method and application of porous structure CuFe2O4. The preparation method of the porous structure CuFe2O4 comprises the following steps: stirring and mixing copper salt, iron salt and a pore-forming agent, grinding into a gelatinous product, calcining the gelatinous product for 1.5-3 hours, naturally cooling to below 100 DEG C and taking out, and finally fully grinding and sieving to obtain the porous structure CuFe2O4; wherein the molar ratio of the copper salt to the iron salt is 1:2-2.1; and the molar ratio of the copper salt to the pore-forming agent is 1:1.5-1.55. The preparation method of the porous structure CuFe2O4 and the application of the porous structure CuFe2O4 in activated sulfite degradation of organic pollutants have the advantages of high efficiency, environmental protection, economy and the like, and have important significance for the field of water treatment.
Owner:XIAMEN UNIV OF TECH

An edge-computing-based post-earthquake unmanned vehicle coordination scheduling method

ActiveCN121235394Bfast shippingprecise transportationEdge serverReal-time data
The application provides an earthquake post-unmanned vehicle and unmanned aerial vehicle cooperative scheduling method based on edge computing, belongs to the technical field of earthquake disaster rescue scheduling, and comprises the following steps: initializing an unmanned vehicle and an unmanned aerial vehicle cluster, and acquiring rescue material state data and wounded data; constructing a comprehensive target function, solving the comprehensive target function based on the rescue material state data and the wounded data, and obtaining material and wounded scheduling; acquiring required real-time data based on an edge node, feeding back the real-time data to a control center through an edge server, re-planning a path and calculating unloading, and dynamically allocating the material and wounded scheduling; and improving post-earthquake material transfer timeliness and wounded survival rate by using intelligent scheduling of unmanned vehicle and unmanned aerial vehicle cooperation.
Owner:GUANGDONG POLYTECHNIC NORMAL UNIV

A stable automobile wire harness

ActiveCN224348872USolve the installationsolve usabilityElectrical apparatusElectric/fluid circuit
This utility model discloses a stable automotive wiring harness, relating to the field of automotive component technology. It includes a base, a top mount, a connecting rod, a screw, an insulating pad, a sliding cylinder, a rotating rod, a pulley, a transmission belt, a limiting frame, a sliding frame, and a connecting cylinder. Specifically: the base serves as the fundamental support for the entire device, supporting and securing other components; the top mount works in conjunction with the base to apply uniform pressure to the automotive wiring harness 14 for clamping and fixing; the connecting rod is positioned between the base and the top mount to transmit force and enhance the overall structural stability; the screw passes through the top mount and connects to the base, allowing for height adjustment of the top mount through rotation. This utility model provides a stable automotive wiring harness 14, which, through optimized structural design, significantly improves the stability and reliability of the automotive wiring harness 14, adapting to the installation requirements of different wiring harness specifications, ensuring efficient clamping and stable operation, and providing important support for related technical fields.
Owner:SU ZHOU YU YI XIN DIAN ZI YOU XIAN GONG SI

A Data-Driven Multi-Agent Energy and Carbon Collaborative Decision-Making Method for Low-Carbon Industrial Parks

PendingCN122089347Aefficient solutionimprove accuracyBiological modelsCommerceGame strategyRenewable energy consumption
This invention relates to a data-driven, multi-agent energy and carbon collaborative decision-making method for low-carbon industrial parks. It constructs a multi-agent dynamic Stackelberg game model, incorporating time-varying grid-side carbon intensity and the carbon offsetting benefits of green electricity into the multi-agent game decision-making process. Energy suppliers act as leaders, and users as followers, aiming to minimize the sum of economic energy consumption costs and carbon costs calculated based on dynamic carbon factors to solve for the optimal energy consumption strategy. A hybrid intelligent solution framework is used to solve the multi-agent dynamic game model. At the game strategy learning level, an improved multi-agent deep reinforcement learning algorithm is employed to approximate the game equilibrium. At the individual optimization level, an improved multi-objective particle swarm optimization algorithm is embedded within the follower agent to solve for the follower's optimal response under the current price strategy. Compared with existing technologies, this invention can coordinate the interests of multiple agents with dynamic carbon objectives, promoting source-load synergy and efficient renewable energy consumption.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO

A copper electrode laser curing system and method for a topcon solar cell

PendingCN122161202AAchieve safe solidificationRapid cross-linkingElectrical batteryHigh energy
The application discloses a kind of copper electrode laser curing system and method of TOPCon solar cell, the system includes mid-infrared laser generation module, beam shaping and energy management module, precision motion and positioning platform and synchronous control and monitoring module.The method used is: after coating copper paste on the back silver seed layer of TOPCon battery, laser beam is irradiated, by accurately controlling laser energy density and pulse width, energy is selectively resonant absorbed by copper paste organic matter, millisecond level rapid curing is realized, while ensuring that energy density is lower than the damage threshold of lower layer aluminum oxide / silicon nitride passivation film, so that the base temperature rise is lower than 200 DEG C.The application overcomes the defects of traditional thermal curing, such as low efficiency, high energy consumption and easy damage to passivation layer, and provides an efficient, reliable and non-damage battery performance industrialization solution for TOPCon battery low-cost "de-silverization".
Owner:WUXI JIYAO LASER TECHNOLOGY CO LTD

A multi-time scale model and decoupling solving method of an electric heat integrated energy system

PendingCN122346964AMake up for the lack of consideration of dynamic processesefficient solutionIntegrated energy systemDynamic models
The application discloses a kind of multi-time scale model and decoupling solving method of electric heating integrated energy system, comprising: constructing electric heating integrated energy system energy coupling unit dynamic model, including micro gas turbine of double-shaft structure, heat pump, gas stove and electric heating energy storage equipment;Multi-time scale model of heating network and power supply network is constructed;Electric heating integrated energy system energy coupling unit is divided into multiple modules for modular decoupling solving, micro gas turbine is divided into power module and regenerator module, generator and heat pump are independent modules respectively, gas stove and electric heating energy storage equipment are regarded as the same module;The technical problem of insufficient dynamic model and model decoupling solving capacity of electric heating integrated energy system is solved.
Owner:NANJING COLLEGE OF INFORMATION TECH

A composite hydrogel adsorbent and a preparation method and application thereof

The application discloses a kind of composite hydrogel adsorbent and its preparation method and application, it is related to water pollution treatment technical field.The raw material of the composite hydrogel adsorbent of the present application includes chitosan, acrylic acid, sodium methacryl sulfonate and coffee residue;Among them, the molar mass of sodium methacryl sulfonate is 2.3~2.9% of the molar mass of acrylic acid;The mass of chitosan is 0.09~6.3% of the total mass of sodium methacryl sulfonate and acrylic acid;The mass of coffee residue is 0.4~1.8% of the total mass of sodium methacryl sulfonate and acrylic acid, and the composite hydrogel adsorbent is prepared by free radical polymerization reaction.The composite hydrogel adsorbent of the present application has strong adsorption capacity and fast rate for dyes in wastewater, especially methylene blue and crystal violet, significantly improves the efficiency of wastewater treatment, provides an efficient, economical and environmentally friendly solution for dye wastewater treatment, and has good practical application prospect.
Owner:NORTHWEST NORMAL UNIVERSITY +1

An air duct mounting device and mounting method

ActiveCN121491687BEasy to installPrecise control of up and down movementsWork holdersMetal working apparatusMechanical engineeringPhysics
The application discloses an air duct mounting device and a mounting method, and belongs to the technical field of core unit assembly. The device comprises a main body driving assembly, a positioning and stopping assembly, a hook holding control assembly and an auxiliary operation assembly. The main body driving assembly comprises a rod, and a first handle is arranged on the upper portion of the rod. The hook holding control assembly comprises a hook claw arranged at the lower end of the rod and a hook rod penetrating the rod, a boss is arranged on the hook claw, the boss is used for being connected with a groove in the middle portion of the air duct during work, and the air duct is controlled to move up and down and rotate. One end of the hook rod is connected with the hook claw, a second cylindrical pin is arranged on the other end of the hook rod penetrating the rod, the second cylindrical pin is used for driving the hook rod to move up and down by control, and the boss of the hook claw is popped out or withdrawn. The positioning and stopping assembly comprises a stopping sleeve movably sleeved on the upper portion of the rod, and a second handle is arranged on the stopping sleeve. The stopping sleeve is matched with an end groove on the rear end face of the high-vortex first-stage disc rear shaft neck, so that stopping is realized during the tightening process.
Owner:AECC AVIATION POWER CO LTD

A dual channel low voltage ideal diode

PendingCN122225843ARealize seamless switchingThe conduction voltage of the power tube decreasesDc-dc conversionEmergency protective arrangements for limiting excess voltage/current
The present application relates to a kind of double-channel low-voltage ideal diode, including two independent and same structure channel, the power PMOS tube of each channel is integrated, gate drive circuit, current sampling circuit, programmable current limiting circuit, temperature detection circuit and undervoltage lockout circuit.The present application is adjusted by gate drive circuit intelligent degree of power tube conduction, maintain about 15mV ultra-low conduction voltage drop when light load, more than 90% lower than traditional schottky diode power consumption;Through CLIMx external resistance, current limiting value can be flexibly set;With two-stage temperature protection (130 ℃ early warning / 160 ℃ shutdown) and fast reverse current blocking function, seamless switching of main backup power supply can be realized.The present application effectively solves the problems of high power consumption, serious heating, lack of programmable protection and reverse current risk of existing diode scheme, and is especially suitable for unmanned aerial vehicle, aerospace and industrial control in the key load power supply with strict requirements on volume, power consumption and reliability.
Owner:58TH RES INST OF CETC

Universal shifting handle fixing support capable of being adjusted in multiple directions and used for MT test

The utility model discloses a multidirectional adjustable gear shifting handle universal fixing support used for an MT test, and belongs to the technical field of automobile transmission rack tests. The transition plate is provided with two symmetrically-arranged first through holes, two symmetrically-arranged second through holes and four first kidney-shaped holes, the two adjusting mechanisms are installed on the two side faces of the transition plate respectively, and each adjusting mechanism is detachably connected with the corresponding first through hole and the corresponding second through hole. The longitudinal rails in the two adjusting mechanisms are symmetrically arranged, the rotating discs in the two adjusting mechanisms are arranged in a front-back staggered mode, and the four first kidney-shaped holes are detachably connected with the fixing mechanism. The gear shifting handle fixing and adjusting device has the remarkable advantages of improving adaptability, flexibility, test efficiency, stability and reliability, reducing cost and the like, and an efficient and reliable solution is provided for fixing and adjusting the gear shifting handle in an MT test.
Owner:HARBIN DONGAN AUTO ENGINE CO LTD

A type of anti-collision buffer safety fence

This invention relates to the field of fencing technology, specifically disclosing a collision-resistant and buffer-type safety fence, comprising: a fixed pile mechanism, which includes a square hole, a circular hole, a hemispherical groove, a hollow cylindrical tube, and a fixed pile body. Two hollow cylindrical tubes are respectively located on the left and right sides of the top of the fixed pile body. A square hole communicating with the inner cavity of each hollow cylindrical tube is opened in the center of its front side. Circular holes penetrating vertically are opened on both the left and right sides of the bottom of the fixed pile body. Two hemispherical grooves are equidistantly spaced along the circumference at the top of the inner cavity of the fixed pile body. This device is not only easy to install and disassemble, and has excellent buffering performance, but also possesses good environmental adaptability, economy, and reusability. It fundamentally solves the problems of irreversible deformation, difficult maintenance, and inconvenient assembly and disassembly of traditional rigid guardrails, providing an efficient, flexible, and reliable solution for construction safety protection.
Owner:SHENYANG SHENGKE INNOVATION GROUP CO LTD +1

A method and system for evaluating power and energy balance of a cascade hydropower station

The present application relates to the technical field of power and electricity balance evaluation of cascade hydropower stations, and particularly relates to a power and electricity balance evaluation method and system for cascade hydropower stations; by constructing multiple groups of scenarios containing the declared quantity-price curve sequence of the upstream power station in multiple time periods and the interval inflow sequence of the downstream power station, and establishing a complete calculation method from upstream water outflow, hydraulic evolution to downstream economic loss, the risk of hydraulic and power mismatch is quantitatively evaluated in the scenario of multi-owner cascade hydropower stations, which provides a solution to the problem that the downstream power station cannot predict the winning power of the upstream power station but needs to declare the contract electricity quantity, introduces the conditional value at risk in the financial field into the risk evaluation of the hydropower market, constructs a contract electricity quantity optimization model by minimizing the tail loss expectation, and gives the linear programming equivalent form of CVaR to realize efficient solution and generation of hedging strategies, and provides a complete technical solution from risk identification, risk quantification to risk hedging for the downstream power station.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD

A key target in-orbit observation planning method and system based on spatial region division

ActiveCN118780519Befficient solutionInstruments for comonautical navigationForecastingAlgorithmOrbit observation
The application provides a key target neighborhood on-orbit observation planning method and system based on spatial region division, and the planning method comprises the following steps: step 1, determining an observation region; step 2, single observation coverability judgment; step 3, region segmentation based on a minimum observation range; and step 4, observation task planning for the segmented sub-regions based on a greedy strategy. Through the minimum observation range, the maximum value of the side length of the segmented region satisfying the observation conditions of all observation resources is obtained by calculating the minimum imaging range, and the number of segmented regions of the to-be-observed region is calculated, so that the wide observation region is segmented, the wide observation problem is converted into a multiple region round observation problem, and the key target neighborhood observation problem is efficiently solved under the condition of low calculation power based on the greedy idea through the rule setting.
Owner:HARBIN INST OF TECH

A method for efficiently treating colloidal tailings wastewater from non-metallic mineral processing plants

ActiveCN121823891BRealize adaptive adjustmentGood flocculation effect
This invention discloses a method for efficiently treating colloidal tailings wastewater from non-metallic mineral processing plants, comprising the following steps: S1, pretreatment; S2, pH adjustment; S3, coagulation reaction; S4, concentration treatment; S5, aeration treatment; and S6, filtration treatment. The advantages are: by establishing a precise correspondence between water quality parameters and pH through a quantitative formula specific to non-metallic minerals, adaptive pH adjustment is achieved, solving the pain points of traditional methods for treating colloidal tailings wastewater from non-metallic minerals, improving the flocculation efficiency of coagulants, and ensuring the stability of treatment results; through precise dosing and dynamic correction, reagent consumption is significantly reduced, greatly lowering treatment costs. This provides an efficient, economical, and precise solution for treating colloidal tailings wastewater from non-metallic mineral processing plants, and has broad application prospects.
Owner:CHIFENG JINDU MINING CO LTD

Seed uniform drying device

This utility model discloses a seed uniform drying device, including a support plate, a drive assembly, a bottom support structure, and a seed drying area. The support plate has an annular seed drying pool inside. A drive seat is installed at the center of the seed drying pool. An electric drive shaft is connected to the top of the drive seat via a coupling. A reinforcing interconnecting block is bolted to the left end of the electric drive shaft. A driving rod is connected to the left side of the reinforcing interconnecting block. A second reinforcing interconnecting block is bolted to the right end of the electric drive shaft. A second driving rod is connected to the right side of the second reinforcing interconnecting block. This invention relates to the field of seed processing technology. The drive assembly drives a stirring structure, ensuring uniform seed agitation and improving drying efficiency and quality. An elastic flexible joint protects the seeds. The seed discharge hole and the outward expansion joint ensure smooth seed discharge. The components are detachable for easy maintenance, and the bottom structure is stable, making it suitable for various locations.
Owner:山东省种子管理总站