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35results about How to "Extended cycle" patented technology

Membrane separation and purification device for ethylene glycol production

The invention discloses a membrane separation and purification device for ethylene glycol production, and relates to the technical field of membrane separation, the membrane separation and purification device comprises a fixed pressing plate, a movable pressing plate, a plurality of layers of liquid inlet assemblies and membrane separation assemblies, and the liquid inlet assemblies and the membrane separation assemblies are alternately stacked between the fixed pressing plate and the movable pressing plate; the hollow shaft penetrates through the liquid inlet assemblies and the membrane separation assemblies which are arranged in a multi-layer stacking manner; the rotary liquid distribution mechanism is arranged in the liquid inlet area; the central vibration generating mechanism is arranged in the separation area and synchronously operates with the hollow shaft; and the plurality of edge vibration generating mechanisms are uniformly distributed in the separation area and synchronously operate with the hollow shaft. Annular vibration waves generated by the center vibration generation mechanism and radial vibration waves generated by the edge vibration generation mechanism are spread on the membrane supporting net plate and the attached separation membrane and interfere with each other, so that attached or to-be-attached pollutant particles are loosened and stripped; and the on-line and active anti-pollution capability of the device is enhanced.
Owner:SHAANXI YUNENG CHEM MATERIALS CO LTD

Retractable orbital transfer type pile line split air mobile charging robot system

The utility model relates to a take-up track transfer type pile line split air mobile charging robot system, which comprises an air track, a walking module, a movable charger, a winding gun line module, a charger side butt joint module, a winding side butt joint module, a power taking module, a charging call response system and a control processing unit, the movable charger can move along the aerial track and change the track and steer under the driving of the walking module, a winding gun line module is arranged beside each parking space, the movable charger can achieve the purpose that any parking space can be in electrical butt joint with the winding gun line module, and therefore the charging service can be provided for an electric automobile below the movable charger. The utility model relates to the field of new energy vehicle charging, eliminates the one-to-one binding relationship between a movable charger and a charging gun line, greatly improves the utilization rate of charging resources, supports reservation charging and queuing charging, can take back the charging gun line after a user pulls out a gun, and is more convenient, more efficient, cleaner and safer.
Owner:SUZHOU XIAOSHENG YIDA ROBOT CO LTD

Tail gas treatment device of waste gas system

The utility model provides a tail gas treatment device of a waste gas system and relates to the technical field of waste gas treatment. The device comprises a waste gas absorption tower, a spraying mechanism is arranged in the waste gas absorption tower, an alkali liquor circulating mechanism is communicated with the spraying mechanism and the bottom of the waste gas absorption tower, a tail gas pipe is arranged at the top of the waste gas absorption tower, a fan is arranged on the tail gas pipe, and a wire mesh demister is arranged on the tail gas pipe between the fan and the waste gas absorption tower. Alkaline dropping liquid in tail gas is intercepted, so that frequent cleaning of a fan caused by the fact that the alkaline dropping liquid enters a volute of the fan is avoided.
Owner:四川永祥树脂有限公司

Filtering membrane with aperture sizes in gradient arrangement and preparation method of filtering membrane

The invention belongs to the field of separation and filtration, and particularly relates to a filtering membrane with aperture sizes in gradient arrangement and a preparation method thereof. The preparation method comprises the following steps: (1) preparing a membrane casting solution: mixing and dissolving dimethylacetamide, polyether sulfone, polyethylene glycol and an auxiliary agent, and defoaming to obtain the membrane casting solution; (2) preparing core liquid: mixing dimethylacetamide with water to obtain the core liquid; (3) preparing a gel bath: mixing dimethylacetamide with water to obtain the gel bath; the concentration of the gel bath is smaller than that of the core liquid; and (4) preparing the filter membrane: enabling the membrane casting solution to be in contact with the core solution and the gel bath through a spinneret plate, and enabling membrane filaments to pass through the gel bath to a filament collecting tank, so as to obtain the filter membrane of which the pore sizes are arranged in a gradient manner. The pore diameter of the filtering membrane is changed from a large pore diameter on one side to a small pore diameter on the other side in a gradient manner, and the filtering membrane has high retention rate and high flux, high mechanical strength, easy cleaning and low energy consumption.
Owner:CHALLENGE IM (BEIJING) TECHNOLOGY CO LTD

Cable sheath with wear-resistant function

The utility model discloses a cable sheath with a wear-resistant function, which relates to the technical field of cable sheaths and is characterized in that an insulating sleeve is arranged outside a cable main body; the exterior of the insulating sleeve is sleeved with a silica gel sheath, the exterior of the silica gel sheath is provided with a sheath main body, and the exterior of the sheath main body is coated with a rubber coating. According to the utility model, the grooves and the convex grooves are connected in a sliding manner, so that the upper sheath and the lower sheath are connected, namely, the fixing holes in the upper connecting block and the lower connecting block are aligned, then the positioning pins penetrate into the fixing holes, and the positioning pins are in threaded connection through the stop blocks; the upper connecting block and the lower connecting block are fixed, then the upper sheath and the lower sheath are fixed, the upper sheath and the lower sheath can carry out wear-resistant protection on the cable body conveniently, the upper sheath and the lower sheath are made of polyurethane, and the wear resistance of the cable sheath can be improved conveniently.
Owner:宜兴市鸿韵塑料有限公司

Multi-agent coverage search and task allocation path optimization methods, devices, and media

This invention relates to a method, device, and medium for multi-agent coverage search and task allocation path optimization. The specific method includes: scenario construction and problem description, which describes the characteristics of the task area, the attributes of agents and targets, and clarifies the area coverage search problem and the target task allocation problem; area coverage model design, which establishes a minimum task time model objective function and constraints, and then solves the area coverage model; and task allocation strategy and path planning algorithm, which, considering agent speed and target attributes, combines a greedy strategy and a genetic algorithm to allocate target exploration tasks to agents, optimize target exploration paths, and reduce total task time. Compared with existing technologies, this invention improves the efficiency of marine area search and target exploration through multi-agent cooperation, achieving full area coverage search and accurate target exploration.
Owner:SOUTHEAST UNIV

Implantable pressure-measuring infusion drainage device and system

PendingCN121943251AReduce physical traumaless pain timeWound drainsCatheterBiological bodyCatheter
The invention provides an implantable pressure-measuring infusion drainage device and system.The implantable pressure-measuring infusion drainage device comprises a liquid storage bag, a functional catheter module and a central connector, the central connector is used for fixedly connecting the liquid storage bag with the functional catheter module, one end of the central connector is in sealed connection with the opening end of the liquid storage bag, and the other end of the central connector is fixedly connected with the functional catheter module; the functional catheter module comprises a tubular pressure measuring structure and an infusion tube; the functional end of the tubular pressure measuring structure is used for being placed in a target area in a living body to measure the pressure of the target area; the functional end of the infusion tube is used for being placed in a target area in a living body, and liquid in the liquid storage bag is guided into the target area and / or liquid in the target area is guided into the liquid storage bag; and a circuit module is also arranged in the central connector and is used for supplying power to the tubular pressure measuring structure and / or realizing communication between the tubular pressure measuring structure and an external control end.
Owner:AMES LIFESCIENCES CO LTD

Multi-robot hemostasis management system based on task scheduling

The invention relates to the technical field of hemostasis management, in particular to a multi-robot hemostasis management system based on task scheduling, which comprises a hemostasis physiological monitoring module, a compression state time sequence module, a hemostasis task scheduling module, a release path planning module and a multi-robot collaboration module. Multi-type physiological monitoring, identity labels, position changes and operation nodes are subjected to linkage collection, the whole-process tracking ability of the sick and wounded is enhanced through time and space identification, the compression period and operation allocation are optimized through interaction judgment of physiological monitoring and path information, intelligent response of task sorting and execution subject selection is achieved, and the system is high in practicability and easy to popularize. Space nodes and passing tracks are dynamically updated, the avoiding and resource utilization efficiency during hemostasis robot cooperation is improved, task linkage parameters are synchronized, the scheduling sequence and execution stability of the sick and wounded in batches are improved, the splitting and conflict phenomena are reduced, an information chain penetrates through the front line and the rear line, and the efficiency is improved. Time sequence management, risk prevention and control and group cooperation capability of hemostasis management are enhanced.
Owner:THE 971ST HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY NAVY

Protective structure for cargo transportation

The utility model discloses a protective structure for cargo transportation, which belongs to the technical field of transportation protection and comprises a tray, mounting grooves are distributed on the surface of the tray close to the edge, and protective parts are arranged in the mounting grooves and can prevent cargoes placed on the surface of the tray from inclining during transportation. The protective part is arranged on the surface of the pallet, the protective part can be completely stored in the mounting groove, goods placed on the surface of the pallet can be effectively prevented from inclining during transportation by arranging the protective part capable of being stored, the protective part can be completely stored in the mounting groove when not used, space is saved, meanwhile, the protective part can seal all fork inlets of the pallet in the stored state, and the safety of the pallet is improved. According to the pallet, the fork inlet can be prevented from being damaged, the service life of the pallet is prolonged, the pallet has the advantages of being easy and convenient to operate and good in protection effect, meanwhile, the whole pallet can be prevented from being moved under the condition that a protection piece is not used after goods are installed, and therefore the transportation safety is guaranteed.
Owner:NINGCHENG COUNTY MENGTONG CANGYUN TECHNOLOGY CO LTD

An adaptive anti-blocking control method and system for an atmospheric particulate matter sampling system

PendingCN122506827AEnable forward-looking forecastsAchieve efficient response
The application discloses a kind of self-adaptive anti-blocking control method and system of atmospheric particulate matter sampling system, belong to atmospheric environmental monitoring technical field.Through real-time acquisition and state identification of multiple parameters, filter membrane pressure, flow, sand concentration and actuator operating condition are accurately monitored.Combining differential pressure time series analysis and trend prediction, a pre-blocking early warning algorithm based on weighted difference and sliding integral is innovatively proposed, and a hierarchical adaptive cleaning strategy is actively triggered in advance.The system realizes the coordinated closed-loop control of sampling process and cleaning maintenance, automatically compensates the flow loss caused by cleaning, and dynamically optimizes the cleaning parameters through differential pressure drop and current anomaly monitoring, to ensure that the filter membrane is continuously in the best working condition.The overall scheme improves the anti-blocking capability of the sampling system, realizes unattended self-maintenance throughout the cycle, and significantly improves the sampling accuracy and equipment reliability.
Owner:INST OF DESERT METEOROLOGY CMA URUMQI

Multifunctional environment monitoring and detecting vehicle

The application relates to the technical field of vehicle engineering, and discloses a multifunctional environment monitoring and detecting vehicle, which comprises a vehicle body serving as a basic component and used for bearing a lower structure, a land walking structure arranged in the interior of the vehicle body and used for supporting the vehicle body to walk on land, an independent sampling structure arranged at the bottom of the vehicle body and used for collecting soil samples and water samples in the environment, an environment detecting assembly arranged around the outer wall of the vehicle body and used for recording and monitoring the environment, and a water walking auxiliary assembly arranged at the tail of the vehicle body and used for assisting the vehicle body to walk on water. The four function modules of land walking, water walking assistance, independent sampling and environment detection are integrated into one, so that the equipment can simultaneously perform mobile monitoring and fixed-point sampling. During the driving process of the vehicle, the panoramic camera and the environment parameter sensor can continuously and timely monitor and record the water, soil and air along the way; when an abnormality is found or fixed-point analysis is needed, samples can be immediately collected.
Owner:SHANGHAI BOMINGHANG AUTOMOBILE CO LTD

Design method and related device of energy storage system of shaguo wasteland view new energy station

This invention discloses a design method and related devices for an energy storage system in a desert-based wind and solar power station, belonging to the field of energy storage configuration technology for wind and solar power stations. The method involves collecting environmental parameters of the target desert area and historical operating parameters of the supporting wind and solar power stations, filtering out high-temperature and normal-temperature output datasets, and calculating the output fluctuation range during these periods. Based on the environmental parameters, the method performs basic selection of battery models and protection structures, and uses historical operating parameters of the wind and solar power stations to perform redundancy correction on the selection. It combines the temperature compensation requirements of the desert area with the capacity redundancy requirements of the wind and solar power stations to perform collaborative calculations of the total power of the heating elements and the energy storage design capacity. Based on the output fluctuation range, it sets charging and discharging power limits and heat dissipation mode switching logic under different operating conditions. Finally, based on the environmental parameters of the desert area and the historical wind curtailment rate of the wind and solar power stations, it collaboratively optimizes the self-cleaning cycle and cleaning period of the energy storage system.
Owner:HUANENG CLEAN ENERGY RES INST +2

Multifunctional Interlocking Bed

ActiveCN224268811Ueasy to viewRealize multiple function reuseKids bedsElectrical and Electronics engineeringBed boards
This utility model discloses a multifunctional modular bed, including a bed board and a bed surround. The bed surround is U-shaped and surrounds three sides of the bed board. The bed board includes a first bed board and a second bed board of the same shape. The bed surround includes a first bed surround and a second bed surround. The top of the first bed surround has a first opening that opens upwards, and the bottom of the second bed surround has a second opening that opens downwards. The modular bed has at least a first usage state and a second usage state. In the first usage state, the first and second bed boards are stacked vertically to form a single bed board, and the second bed surround is joined vertically to the first bed surround to form a raised bed surround. In the second usage state, the second bed board and the first bed board are joined horizontally to form a double bed board. The first bed surround is inverted and then connected to three sides of the first bed board, and the second bed surround is directly connected to three sides of the second bed board. This multifunctional modular bed has the ability to flexibly switch between multiple usage states, significantly improving the product's applicability and life cycle value.
Owner:马志威

High-speed mixed bed equipment for fine treatment of condensed water in thermal power plant

The invention provides high-speed mixed bed equipment for fine treatment of condensed water of a thermal power plant, and belongs to the field of water treatment of the thermal power plant, the high-speed mixed bed equipment comprises a regeneration system, a control system and a high-speed mixed bed, the high-speed mixed bed is communicated with the regeneration system, and the regeneration system and the high-speed mixed bed are both electrically connected with the control system. According to the high-speed mixed bed equipment, the water distribution uniformity is remarkably improved, so that the utilization rate and the periodic water control amount of resin are remarkably improved, and the stability of the effluent quality is improved; the resin abrasion is reduced, the service life of the resin is prolonged, and the operation cost is reduced; the regeneration efficiency is improved, the consumption of a regeneration agent is reduced, and the discharge of regeneration wastewater is reduced; the equipment cost and the maintenance workload are reduced; the operation flexibility and reliability of the system are improved; and a modular design is adopted, so that capacity expansion and transformation are facilitated.
Owner:XIAN THERMAL POWER RES INST CO LTD

A method for preparing sodium carbonate based on ternary synthesis technology

PendingCN122254534AImprove utilization efficiencyImprove the uniformity of the reactionCarbonate preparationCarbonizationPhysical chemistry
The application relates to the technical field of inorganic chemical synthesis, in particular to a sodium carbonate preparation method based on ternary synthesis technology. The method takes sodium chloride, liquid ammonia and carbon dioxide as ternary raw materials, and through a'segmented carbonization-gradient temperature control crystallization-CO2 closed loop recovery-mother liquor optimization treatment' synergistic process, first, uniform crystal nuclei are induced through low-temperature pre-carbonization, then, sufficient reaction is promoted through medium-temperature deep carbonization, and the crystal structure is optimized by combining gradient cooling crystallization and aging, and the efficient recycling of carbon, ammonia and salt resources is realized. The application improves the carbon dioxide utilization rate and the product purity, optimizes the crystal particle size uniformity, reduces the energy consumption and the environmental protection load, the process is stable and easy to control, and has strong industrialization adaptability, and the obtained sodium carbonate can meet the strict requirements in the fields such as food processing, and has economic and environmental benefits.
Owner:JINCHANG ZHONGSHENGJI NEW MATERIAL CO LTD

Equalization methods, devices, equipment and media

This application discloses a balancing method, apparatus, device, and medium, belonging to the field of energy storage technology. The balancing method includes determining the target cell to be balanced based on the voltage of multiple cells electrically connected to a battery management system; charging and discharging the multiple cells, balancing the target cell within a preset charge-discharge range, stopping balancing the target cell outside the preset charge-discharge range while continuing charge-discharge; and identifying outlier cells with large polarization resistance differences based on the voltage of each cell. By employing a strategy of balancing within a preset charge-discharge range and stopping balancing outside the preset charge-discharge range, the voltage deviation caused by differences in polarization resistance is specifically amplified, enabling precise location of outlier cells with large differences in polarization resistance.
Owner:EVE ENERGY CO LTD

Multi-redundancy intelligent braking system for heavy vehicle and control method of multi-redundancy intelligent braking system

PendingCN121777703Aachieve technical effectseffective brakingElectrodynamic brake systemsDriver/operatorRegenerative brake
The invention provides a multi-redundancy intelligent braking system for a heavy vehicle and a control scheme of the multi-redundancy intelligent braking system. The multi-redundancy intelligent braking system comprises a regenerative braking layer; a continuous retarding brake layer; a friction brake layer; the integrated control unit is connected with the regenerative braking layer, the continuous retarding braking layer and the friction braking layer, and when a driver braking request signal and a vehicle state signal are received, the integrated control unit sends corresponding instructions to all the braking layers according to a preset cooperative control strategy so as to distribute needed braking force. The three braking layers and the integrated control unit connected with the three braking layers are arranged, the three braking layers are mutually backed up, even if one layer (even two layers) fails, the system can still provide effective braking, and the braking safety and the braking stability are effectively improved.
Owner:SUZHOU KAIBO YIKONG DRIVE TECH CO LTD

A master intelligent device and an intelligent scheduling system

This utility model embodiment provides a master control intelligent device and an intelligent scheduling system. The device includes: a scheduling module, an intelligent module, and a power supply; the power supply provides power to the intelligent module and the scheduling module; the scheduling module includes a local communication interface and a remote communication interface; it communicates with the intelligent module through the local communication interface and remotely communicates with at least one controlled intelligent device through the remote communication interface to intelligently schedule each controlled intelligent device; the intelligent module cooperates with each controlled intelligent device to complete intelligent manufacturing tasks and / or intelligent logistics tasks. No computer room is required, thus reducing infrastructure costs and time.
Owner:HANGZHOU HIKROBOT TECH CO LTD

Thermal power plant pollutant concentration prediction method based on frequency domain residual error and multi-expert fusion

The invention discloses a thermal power plant pollutant concentration prediction method based on frequency domain residual error and multi-expert fusion, and aims to solve the problems of insufficient frequency domain feature utilization, weak model generalization ability and low prediction precision of the existing method. A frequency domain information residual extraction module is introduced, time domain features are transformed, enhanced frequency domain information is fused into the time domain features in a residual mode, and frequency domain information residual features containing rich periodicity and fluctuation information are obtained. Further, a feed-forward network in a Transform model is replaced by a multi-expert fusion module based on frequency domain residual gating, and expert knowledge is adaptively selected and fused according to data characteristics. The method disclosed by the invention shows remarkably higher prediction precision and stronger generalization ability in the task of predicting the concentration of the pollutant nitrogen oxide discharged by the thermal power plant. The method is suitable for prediction of various time sequences, especially prediction of industrial data with complex periodicity and fluctuation characteristics.
Owner:ZHEJIANG UNIV

Sectional split-hung door air pressurized health cabin with base and sealing structure

PendingCN122581989ASolve the problem of zero pressure differenceFix initial leak
The application discloses a segmented spliced air pressure health cabin with a base and a sealing structure, which comprises a segmented cabin body, an inner opening swing door, a cooperative sealing system and an integrated base. The sealing system adopts an active dynamic pressure pre-sealing structure. A circumferential flow guide groove is arranged on the inner side of the cabin door and faces a directional flow guide nozzle of an air inlet in the cabin. A communication hole is arranged at the bottom of the groove and communicates with the inner cavity of a hollow sealing element embedded in the pressure bearing stopper frame. A compression residual amount is left between the cabin door and the sealing element during pre-locking. During air supply, the jet flow of the nozzle impacts the groove to generate a thrust to drive the cabin door to compress the sealing element, and the sealing element is inflated and compressed synchronously, so that the pre-sealing is actively established under zero pressure difference. The application effectively solves the leakage and howling problems of the pressure cabin in the initial pressure increasing stage through sealing principle innovation and has the advantages of high system integration, convenient operation and maintenance and the like.
Owner:VICHY BEAUTY EQUIPMENT CO LTD

A helical multi-layer filter for fuel liquids

ActiveCN224598865Uavoid cloggingImplement layered interception
The utility model discloses a spiral multilayer filter of fuel oil liquid relates to fuel filter technical field. The utility model discloses a shell is provided with filter cylinder in its inside, and the both ends of filter cylinder are linked with feeding portion and discharge portion intercommunication respectively, and the inside linear array of filter cylinder is provided with filter plate, and the inside linear array of filter cylinder is provided with spiral filter core, and spiral filter core is located between two filter plates and is linked with it. The utility model discloses a linear array combination of filter plate and spiral filter core, and the upstream filter plate can intercept big particle impurity first, avoids its jamming spiral filter core fine hole, and the filter core of spiral structure can maximize filter area, prolongs the saturation period of taking in the pollution, realizes the layered interception to small impurity simultaneously, realizes the ladder type filtering effect of rough filter and fine filter finally, improves fuel cleanliness greatly, reduces the wear and tear of engine fuel injection nozzle, fuel pump and other precision parts, thereby realizes and improves the filtering efficiency.
Owner:NANTONG LANGGAO PETROCHEM EQUIP

A method and system for micro-nano hmx micro-scale continuous flow fractional crystallization preparation

ActiveCN116440530BUnderstand the crystallization state in real timeSimple structureOrganic chemistrySolution crystallizationCrystal systemMicro nano
This invention relates to a continuous flow stepwise crystallization method and system for preparing micro / nano HMX at the microscale. It includes the following steps: (1) dissolving HMX in a solvent to form an HMX solution, and mixing the solvent and antisolvent to prepare a crystallization transfer solution; (2) flowing the HMX solution prepared in step (1) and the antisolvent into a primary micro-mixing crystallization unit at a desired flow ratio to generate a mixed-crystal HMX suspension with a mixed crystal particle size of 400 nm–60 μm; (3) flowing the mixed-crystal HMX suspension flowing out of the primary micro-mixing crystallization unit and the crystallization transfer solution prepared in step (1) into a secondary micro-mixing crystallization unit at a desired flow ratio, and secondary crystallizing the mixed-crystal system to obtain a pure β-HMX suspension with a crystal size in the micrometer range. This invention can obtain micro / nano β-HMX with high crystallization degree and high crystal purity by changing the mixing conditions and residence time in the secondary crystallization unit; the two-step crystallization method can meet the requirements for continuous and controllable preparation of high-quality elemental β-HMX with smaller crystal size and higher crystal purity.
Owner:NANJING UNIV OF SCI & TECH

Two-wheeled vehicle auxiliary support and steer-by-wire cooperative control system based on vehicle-mounted network and control method of two-wheeled vehicle auxiliary support and steer-by-wire cooperative control system

The invention discloses a two-wheeled vehicle auxiliary support and steer-by-wire cooperative control system based on a vehicle-mounted network and a control method thereof, belongs to the technical field of two-wheeled vehicle safety cooperative control, and is suitable for a two-wheeled vehicle which is driven by a rear wheel and steer-by-wire and is provided with an electric auxiliary support mechanism. The cooperative control system comprises a vehicle-mounted communication network module, a rear wheel drive control system, a front wheel steer-by-wire subsystem, an electric auxiliary supporting subsystem and a cooperative control unit. The cooperative control unit obtains global operation information such as the vehicle speed, the rear wheel driving input state, the vehicle attitude information and the electric auxiliary supporting state through a vehicle-mounted communication network, constructs multi-state cooperative control logic, and achieves the cooperative control of the vehicle under the working conditions of vehicle parking, low-speed driving, driver getting on and off and abnormal conditions. And the electric auxiliary support subsystem is preferentially controlled to enter a support or standby state, and dynamic constraint is applied to the steering angle, the steering rate or the steering gain of front wheel steer-by-wire.
Owner:BEIJING LINGYUN TECH

Cloud unmanned aerial vehicle path optimization method and system

The invention relates to the technical field of unmanned aerial vehicle scheduling, in particular to a cloud unmanned aerial vehicle path optimization method and system, and the method comprises the following steps: obtaining task priority distribution and resource state atlas and link quality data, extracting priority fluctuation and resource occupancy features, recognizing interference evaluation and comparison records to be coincident, and obtaining a cloud unmanned aerial vehicle path optimization result. And screening compliance check node mapping task content and standard judgment deviation, extracting an abnormal task group to calculate resource task ratio record period difference, and generating a task progress monitoring structure index. According to the invention, through the cloud platform and dynamic task scheduling optimization, the real-time performance and flexibility of unmanned aerial vehicle path planning are improved, the path planning is optimized, the correlation degree of path nodes is corrected, the path precision is ensured, communication interference is dynamically monitored, task failure is avoided, resource allocation and task cycle matching are optimized, and the task execution efficiency and safety are improved. Efficient completion is ensured, task priorities and path selection can be flexibly adjusted, and multi-task execution conflicts are reduced.
Owner:ORDOS INST OF APPLIED TECH

Multi-modal sensing and self-adaptive communication method for power pipe network

The invention relates to a multi-mode sensing and self-adaptive communication method of a power pipe network, which comprises the following steps of: constructing a Mesh network with self-healing capability based on a LoRaWAN and power carrier dual-mode communication architecture, avoiding channel interference through a dynamic spectrum sensing technology, reducing data transmission power consumption by adopting a sectional compression coding strategy, and realizing multi-mode sensing and self-adaptive communication of the power pipe network. The communication success rate under a complex working condition reaches 99.2%, a lightweight CNN-Transformer hybrid model is deployed at an edge gateway, feature extraction and space-time correlation analysis are performed on multi-dimensional sensing data, a pipe network health degree evaluation index is constructed through a digital twin engine, and the network health degree evaluation index is used for generating an equipment degradation trend map and maintenance strategy suggestions. UWB / geomagnetic / BOS combined positioning technologies are adopted, a pipe network topology constraint factor and a sliding window filtering algorithm are combined, the terminal positioning precision is smaller than or equal to 0.8 m, and diagnosis algorithm online iteration and functional module hot plug are supported through a containerized deployment technology.
Owner:NAT STAR POWER DESIGN CONSULTING (SHENZHEN) CO LTD

A closed-loop control method and system for vibration suppression and anti-fall-off of a vertical OHV engine

A closed-loop control method and system for vibration suppression and anti-detachment of a vertical OHV engine. The method involves collecting engine speed, vibration signals from at least two locations, and preload-related signals from at least two key fastening connections. The vibration signals are analyzed synchronously with the engine speed to obtain the target order amplitude and phase characteristics. Temperature drift and zero drift compensation are applied to the preload-related signals to obtain the preload state. Based on the multi-point order response, the transmission path is decomposed and inverted to establish and identify an online collaborative transmission model of the active actuatorstructural vibration—fastening connection load. The model outputs the equivalent axial tension / compression and lateral shear excitations for each connection at the target order. When the indicators exceed limits, a graded anti-detachment treatment is triggered, including re-tightening / compensation of preload and closed-loop verification, and / or linkage with the ECU to limit torque and speed. Based on the feedback self-updating model and thresholds, coordinated control of vibration reduction and anti-detachment is achieved.
Owner:HANGZHOU BENTU DIGITAL TECHNOLOGY CO LTD

High-power igbt driving adaptive closed-loop control method and system

This invention discloses an adaptive closed-loop control method and system for high-power IGBT drive. The control method includes: acquiring and processing the voltage and current output by the IGBT power module to generate a first feedback signal; acquiring and processing the collector-emitter voltage of the IGBT power module to generate a second feedback signal; and comprehensively processing all feedback signals, including the first and second feedback signals, to selectively send a corresponding first or second modulation drive signal to the IGBT drive module. The first modulation drive signal includes a PWM wave in its current state or a PWM wave with adjusted rise and fall times, and the second modulation drive signal includes a PFM wave. According to the above control method, the safety and service life of the IGBT power module can be effectively improved, and the IGBT power module can be adapted to more application scenarios, further improving its utilization rate, reducing equipment manufacturing costs, and the hardware structure is simpler and more adaptable to different scenarios.
Owner:DONGGUAN HENGYI NENGYI TECHNOLOGY CO LTD

Microbial soil conditioner as well as preparation method and application thereof

PendingCN121950318AImprove physical and chemical propertiesbreak the knotAgriculture tools and machinesBio-organic fraction processingBacillus licheniformisMicrobial agent
The invention belongs to the technical field of soil improvement, and particularly relates to a microbial soil conditioner as well as a preparation method and application thereof. The microbial soil conditioner comprises a compound microbial agent, an organic carrier and an auxiliary additive, the compound microbial agent is prepared from bacillus subtilis, bacillus amyloliquefaciens, paenibacillus mucilaginosus and bacillus licheniformis. By screening microbial strains with a synergistic effect and combining with an optimized organic carrier, the soil conditioner not only can effectively improve the physicochemical properties of soil, break soil hardening and regulate the pH value of the soil, but also can improve the fertility of the soil, promote the growth of crop roots and inhibit the reproduction of harmful pathogenic bacteria in the soil; the use amount of chemical fertilizers and pesticides is reduced. Meanwhile, the preparation method disclosed by the invention is simple in process, relatively low in cost and suitable for large-scale industrial production, and has a wide market application prospect.
Owner:SHENZHEN HEAVER ECO-TECH CO LTD