Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

26results about How to "Improve engineering efficiency" patented technology

Multi-solver CFD self-correction method and system based on semantic arrangement

PendingCN121766171AImprove portabilityImprove runnabilityBiological modelsDesign optimisation/simulationJob descriptionReachability
The invention provides a multi-solver CFD self-correction method and system based on semantic orchestration, and the method comprises the steps: carrying out the retrieval and slot filling processing of multi-modal input, and generating a simulation intention intermediate representation; carrying out structured verification, default completion and mechanism examination to obtain reachability classification; mapping is established for a CFD solver, and short-distance concurrent trial running and preferential long-distance running are carried out on an equivalent example and job description compiled into a target solver through a mixed strategy; the method comprises the following steps: collecting a structured fingerprint in a running period, generating a minimum change set only reaching a necessary field when a triggering condition is established, writing back to an intention layer, and automatically recompiling and continuing running after the intention layer is formed; and introducing a physical information neural network and a digital twinborn body to provide suggestions or approximate fields, generating reports, and performing Hash signature archiving on measurement point and section data. According to the method, the correctness and the traceability are ensured, and meanwhile, the one-time runnability, the cross-solver transportability and the engineering efficiency are remarkably improved.
Owner:TONGJI UNIV

MICP intensity prediction method and system based on machine learning and multi-feature fusion

The invention discloses an MICP intensity prediction method and system based on machine learning and multi-feature fusion, and relates to the field of solidified data analysis. An accurate quality prediction mapping model and an abnormal compensation parameter mapping model are constructed based on historical data; the system has the capabilities of predicting curing quality from process parameters and intelligently recommending an optimal disposal scheme from an abnormal state; by setting a dual-threshold quality control mechanism and a real-time abnormity monitoring and early warning system, various abnormal conditions in the curing process can be actively identified and timely responded, and complete closed-loop processing from parameter deviation detection to automatic compensation measure execution to hardware standby switching can be realized. The stability of the solidification process and the consistency of the engineering quality are effectively guaranteed, the requirement for manual intervention and the misjudgment risk are greatly reduced, powerful technical support is provided for standardization, normalization and industrialization development of the sand solidification technology, and the engineering efficiency and economic benefits are remarkably improved.
Owner:HOHAI UNIV

Inkjet head ink supply system and inkjet printer comprising the same

The present invention relates to an ink jet head ink supply system equipped with an emergency recovery function and an ink jet printer including the ink supply system. The ink jet head ink supply system is characterized by including: an ink jet head; an ink storage device; a supply flow path; a recovery flow path; a flow path blocker; a flow path switcher; a drain pipe; a discharge ink storage portion; and, a drain portion.
Owner:GOSANTECH

A dynamic parameterized design method and system for a coal mine roadway support scheme

The application discloses a kind of coal mine roadway supporting scheme dynamic parameterization design method and system, and design method includes the following steps: obtaining the multi-source heterogeneous data of coal mine lane, constructs the knowledge graph of coal mine roadway supporting field, forms original characteristic parameter set;Regression and classification double-path prediction framework is constructed, and the original characteristic parameter is carried out depth feature extraction, associated learning and candidate scheme generation, and the initial scheme of supporting parameter is output;By physical information neural network, the endogenous constraint is applied to the initial scheme of supporting parameter, while combining the rules of supporting specification information, the double verification is carried out to supporting scheme, and through the automatic adjustment of the parameter that does not satisfy constraint condition is carried out to the antagonistic correction mechanism;The supporting scheme is updated dynamically, and the parameter deviation caused by the discontinuity of geological exploration or environmental disturbance is corrected, and the adaptive optimization and iterative update of supporting scheme are realized by reinforcement learning strategy and incremental closed loop mechanism, and the final supporting scheme is obtained.
Owner:CHINA UNIV OF MINING & TECH

Modularized steel structural member

The utility model discloses a modularized steel structural part which comprises a bottom plate, a side plate fixedly connected to the side surface of the bottom plate, a reinforcing column fixedly connected to the upper surface of the bottom plate, a reinforcing plate fixedly connected to the other end of the reinforcing column, a modularized building body fixedly connected to the upper surface of the reinforcing plate, and a mounting plate fixedly connected to one end of the bottom plate. The upper surface of the mounting plate is fixedly connected with a positioning block, the upper surface of the mounting plate is fixedly connected with a mounting bolt, and the mounting bolt is in threaded connection with a fixing nut, so that a prefabricated building assembly is allowed to be manufactured in a factory and then quickly assembled on site, the construction time is greatly shortened, and the engineering efficiency is improved; the building modules can be accurately aligned during installation, the requirement for on-site adjustment is reduced, the stability and safety of the whole structure are improved, the strength of the building structure can be enhanced, the compression resistance and tensile strength of the building are improved, the stability is kept under different load conditions, and the service life is prolonged.
Owner:HENAN HONGPIN HEAVY IND TECH CO LTD

TPD construction method machine and chassis system thereof

The utility model relates to a TPD construction machine and a chassis system thereof, and belongs to the technical field of engineering machinery. The chassis system comprises two sets of symmetrically-arranged walking assemblies and a connecting beam connecting the two sets of walking assemblies. Each walking assembly comprises a track frame, a track arranged on the track frame and a hydraulic motor, and the hydraulic motor drives the track to circularly rotate on the track frame; a mounting seat is fixedly connected to the outer side surface of the track frame and exceeds the outer edge of the track to form a mounting surface for mounting the slide rail assembly. By means of the structure, the chassis system of the TPD construction method machine has higher stability and adaptability, reliable connection between the frame and the chassis system is achieved through the design of the installation base, meanwhile, a reasonable working area is provided for the chain cutter assembly, the working efficiency and safety are effectively improved, and the chassis system is suitable for engineering construction operation in various complex terrain environments.
Owner:ZHEJIANG SEFTEC PRECISION MACHINERY MANUFACTURING CO LTD

A method for virtual digital lofting and real-time calibration of installation posture of guide rails

ActiveCN121540056BSpatial calibration problem simplificationReduce technical difficultyUsing optical meansElevatorsVertical planeSlant angle
This invention provides a method for virtual digital lofting and real-time calibration of installation pose of a guide rail, comprising: providing at least two positioning fixtures, each fixture having three collinear optical markers symmetrically arranged on both sides relative to the center marker; fixing the two positioning fixtures to the upper and lower ends of the guide rail respectively, so that the positioning fixtures are in close contact with the two working surfaces of the guide rail; acquiring the global coordinates of all optical markers in real time through a motion capture camera array, and independently calculating the six degrees of freedom pose deviation of the guide rail based on a coordinate comparison scheme corresponding to the layout of the positioning fixtures: calculating the horizontal translation deviation of the upper end of the guide rail; calculating the tilt angle deviation of the guide rail in the vertical plane; calculating the rotation angle deviation of the guide rail about its own length axis by using the coordinate difference of the two markers on both sides of the same positioning fixture on a single coordinate axis; and making targeted adjustments to the installation state of the guide rail according to the calculated pose deviations of each degree of freedom, thereby completing real-time calibration.
Owner:FUJIAN SPECIAL EQUIP TESTING RES INST

High-wind-pressure rock drilling tooth performance testing method and system based on noise analysis, storage medium and equipment

The invention provides a noise analysis-based high-wind-pressure rock drilling tooth performance test method and system, a storage medium and equipment, and the method comprises the steps: building a quantitative model among time distribution, a wear function and a performance constant through noise signal analysis, i.e., converting the working noise data of a high-wind-pressure rock drilling tooth into the working time of a working tunneling unit length, and carrying out the calculation of the working noise data of the high-wind-pressure rock drilling tooth. The wear efficiency is defined accordingly; according to the method, multiple wear efficiency functions are obtained through a hypothesis method, an adaptive function is screened out through substitution verification, then a working performance function is constructed, quantitative characterization of the working performance of the high-wind-pressure rock drilling tooth is achieved, and the method overcomes the defects that an existing characterization mode is inaccurate and cannot truly reflect the actual working performance. The method has the advantages of being high in scientificity, high in accuracy, good in operability and the like, scientific basis can be provided for research and development, quality control and model selection application of the high-wind-pressure rock drilling teeth, the engineering operation efficiency can be improved, and the production cost is reduced.
Owner:CHONGYI ZHANGYUAN TUNGSTEN

A jacket positioning device

ActiveCN224412541URapid positioningImprove engineering efficiencyStructural engineeringSeabed
The utility model provides a kind of jacket positioning device, it includes positioning frame, it includes multiple positioning ring and connecting beam;A ground pile is inserted in each positioning ring, each ground pile includes anchoring section and guide section respectively, and ground pile is inserted along its own axial hole, and the outer side of guide section is equipped with gyro wheel;Jacket bottom vertically extends out and corresponds with the inserted part of ground pile, and the inserted part side is equipped with hanging ring, and gap is left between hanging ring and inserted part, and the side wall of guide part can be placed in the gap of hanging ring and inserted part, and the one end of rope is fixed with hanging ring, and the other end can be placed in the side of jacket by gyro wheel.The utility model uses positioning frame and ground pile cooperation, by first positioning frame is arranged in the mode of seabed, the position of each ground pile is determined, then ground pile is inserted into seabed by positioning ring, so that the positioning of ground pile is completed quickly, and the process of ground pile is avoided to cause influence to other position ground pile, so as to improve engineering efficiency and improve engineering quality.
Owner:TIANJIN HARBOR MARINE ENG

Oxygen valve station device

The utility model discloses an oxygen valve station device which comprises a main oxygen pipe, and the main oxygen pipe distributes oxygen to a first oxygen branch pipe and a second oxygen branch pipe through a valve set. And the valve group connected with the oxygen main pipe comprises a third oil-forbidding stop valve, an oxygen pressure gauge, a second oil-forbidding ball valve, a filter, an oxygen check valve, an oxygen flow meter and a pressure transmitter which are connected in sequence. According to the oxygen valve station device, modularization and integrated assembly are adopted, the oxygen valve station device adapts to the rapid installation characteristic of an on-site engineering project, the oxygen valve station device can be assembled in a factory area, the situation that the on-site dust environment pollutes an oxygen pipeline is avoided, and the use safety of the valve station is improved.
Owner:襄阳职业技术学院

Power secondary equipment visual modeling and configuration system, method, device and medium based on external electrical signal marking

The application belongs to the technical field of power secondary equipment modeling, and discloses a power secondary equipment visual modeling and configuration system and method based on external electrical signal labeling, equipment and medium, to solve the problems of large manual workload, poor configuration consistency, missing function model and non-uniform engineering model in traditional processes. The system comprises: a geometric modeling module for establishing a geometric model; a PLP construction module for organizing physical terminals Pin, ports Port and logic layers L to form physical logic ports PLP; an external electrical signal import module for receiving external signals and labeling to Port; a semantic binding module for binding electrical signal semantics to PLP; a Function organization module for combining multiple PLPs to form a function object Function; and a model export module for exporting a structured file. The application realizes the standardization and semanticization of equipment modeling, and improves the design efficiency and data consistency.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +1

Posture control system for construction of tube push bench

The embodiment of the invention provides an attitude control system for construction of a tube push bench, which comprises a multi-source sensing and data acquisition module, a data fusion and attitude calculation module, an intelligent hierarchical control decision module, an execution mechanism driving module and a comprehensive monitoring and diagnosis module. Continuous and high-precision all-attitude resolving and absolute coordinate positioning which are not limited by sight lines are achieved, and the measurement reliability of long-distance and curve section construction is remarkably improved. The system adopts a layered intelligent control architecture, combines a classical control law and an online learning mechanism, can dynamically adapt to the changing load and external disturbance of the tube push bench, realizes accurate and steady attitude adjustment, and reduces the manual intervention demand and the operation difficulty. Meanwhile, the maintainability and the construction transparency of the system are enhanced through the omnibearing state monitoring and diagnosis functions, and therefore the automation level, the guiding precision and the engineering efficiency of rectangular pipe jacking construction are integrally improved.
Owner:GUANGDONG YUNLONG UNDERGROUND ENGINEERING EQUIPMENT MANUFACTURING CO LTD

An automatic warning device for elevator pit water accumulation

ActiveCN224394354UImprove engineering efficiencylow cost
The utility model relates to the technical field of float ball sensor, concretely is an elevator pit ponding automatic early warning device, including sensor, the top of sensor is detachably connected with movable rod, and one end of movable rod is fixedly connected with fixing piece, and the inside of movable rod is rotatably connected with clamping piece, and movable rod is connected in the outside of fixing piece slidingly, clamping piece, through the screw rod of being connected in the inside of movable rod, and the screw rod of different direction rotation can connect movable rod and fixing piece together or make both separate, realize the precision calibration of height fine tuning design of exempting from disassembly sensor position, significantly promote the engineering efficiency and reduce comprehensive cost.
Owner:ANHUI JINGZHI ELEVATOR ENGINEERING CO LTD

Single-wedge-shaped grouting-free anchor cable and construction method thereof

PendingCN121976528ASelf-anchoring is simple and reliablelow costBulkheads/pilesRock boltScrew thread
The invention is used for the technical field of geotechnical engineering anchoring, and discloses a single-wedge-shaped grouting-free anchor cable which comprises a triangular wedge-shaped block and a soil body, a guide cone is fixedly installed at one end of the triangular wedge-shaped block, and a positioning connecting rod is installed at the end, located in the triangular wedge-shaped block, of a connector in a threaded mode. According to the single-wedge-shaped grouting-free anchor cable, a guide cone, a triangular wedge-shaped block and a square pipe can be driven into a preset depth of a side slope at a proper angle through connection of a pile driver and a positioning connecting rod, then a steel strand is pulled to drive a U-shaped ring and the triangular wedge-shaped block to move and is supported through the positioning connecting rod, and meanwhile the whole device slightly moves together; the inclined design of the triangular wedge-shaped block is matched, so that the triangular wedge-shaped block can easily deform in the side slope, radial expansion is formed, mechanical self-anchoring is formed through tension deformation, grouting is not needed, environmental pollution and construction cost and complexity are reduced, and the efficiency and speed of setting the anchor rod are greatly improved.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY +1

Flexible strip-shaped lighting system integrated with intelligent strip supply function

The invention discloses a flexible strip-shaped lighting system integrated with an intelligent strip supply function, which comprises a rack, two parallel lighting strip supply stations are arranged on the rack, and each lighting strip supply station comprises a reel, a driving main shaft, a servo motor, a sliding support plate, a hydraulic cylinder and an optical protection type pressing unit, the sliding supporting plate is matched with a limiting baffle ring fixed to the driving main shaft to form a winding station used for clamping and fixing the reel, the optical protection type pressing and attaching unit comprises a telescopic assembly, a pressure sensor and a pressing and attaching roller, and each lighting belt supply station is provided with an independent controller to form a complete function module. And the controller is electrically connected with the pressure sensor and the servo motor. The double-station roll changing device has the beneficial effects that double-station roll changing is achieved, seamless strip supply switching can be achieved in the service cycle of the double-station roll changing device, and it is ensured that an optical element is effectively protected in the winding or unwinding state.
Owner:ZHEJIANG TENGCAI OPTOELECTRONICS CO LTD

Hanging basket structure

The utility model discloses a hanging basket structure which comprises a main truss bearing mechanism, a suspension mechanism, an anchoring mechanism, a walking mechanism and a formwork mechanism, the bottom face of the main truss bearing mechanism is connected with a sliding rail of the walking mechanism, and a forward-moving overturn-preventing device is detachably arranged in the middle of the sliding rail of the walking mechanism. After the forward-moving overturn-preventing device is installed, the bottom face of the forward-moving overturn-preventing device makes contact with the top face of a bottom rod of the main truss bearing mechanism, the top of the suspension mechanism is connected with the main truss bearing mechanism, and the bottom of the suspension mechanism is connected with a supporting structure of the formwork mechanism. The main truss anchoring mechanism is arranged at the rear end of the main truss bearing mechanism and connected with a box girder reserved hole site, the formwork anchoring mechanism is arranged at the front end of a poured beam section, the formwork anchoring mechanism downwards penetrates through the poured beam section to be connected with a supporting structure of the formwork mechanism, and the formwork mechanism comprises a side formwork, an outer formwork and an inner formwork mechanism. The problem that an existing hanging basket structure is prone to overturning when moving forwards too fast is solved.
Owner:SICHUAN ROAD & BRIDGE CONSTRUCTION GROUP CO LTD

Intelligent question and answer processing method and device in scientific computing software environment

PendingCN121958510AHigh-precision intelligent question and answer serviceAccurate intelligent question and answer serviceDigital data information retrievalBiological modelsEngineeringQuestions and answers
The invention discloses an intelligent question and answer processing method and device in a scientific computing software environment. The method comprises the following steps: generating a request message according to question information corresponding to a natural language; analyzing the request message to obtain request message analysis information; when it is determined that a retrieval enhancement generation function needs to be started according to configuration parameters in the request message analysis information, retrieving knowledge fragments from a vector database, wherein the relevancy between the knowledge fragments and the natural language problem exceeds a relevancy threshold value; generating a target cue word according to the natural language question, the configuration parameter and the knowledge fragment; determining a target question and answer generation model according to the configuration parameters, and generating reply information of the natural language question according to the target cue word by utilizing the target question and answer generation model; and generating a reply text of the natural language question according to the reply information, and feeding back the reply text. According to the method and the device, the technical problem that a user is inconvenient to switch among different environments due to the lack of an intelligent question and answer function supported by a computing platform originally in related technologies is solved.
Owner:BEITAI ZHENHUAN (CHONGQING) TECH CO LTD +1

Large-span horizontal load-bearing safety device based on overhanging layer type steel and construction method

The application provides a large-span horizontal load-bearing safety device based on a cantilever layer type steel and a construction method, and relates to the technical field of building construction. The large-span horizontal load-bearing safety device is installed on the type steel and is used for freely arranging and recycling a safety flat net in a structure plane. The guide rail is configured to move horizontally in parallel with the type steel. The transmission assembly is used for pushing the guide rail to realize horizontal movement. The connecting assembly is used for forming self-locking with the guide rail to lock the movement position of the guide rail. The first hook assembly is used for driving the safety flat net to move horizontally or stop moving. The second hook assembly is used for realizing the height difference between the inside and outside of the safety flat net. The wedge of the connecting assembly is used for fixing the guide rail, so that the installation is facilitated. The guide rail can be used for remotely controlling the installation of the installer, so that the installation risk is reduced. The first hook assembly can be used for quickly unfolding and recycling the safety flat net, so that the engineering efficiency is improved and the engineering risk is reduced.
Owner:SHANGHAI CONSTRUCTION FIRST CONSTRUCTION (GROUP) CO LTD

Vehicle display screen pose optimization method based on reflected light path attribution constraint

The present application relates to a kind of based on reflection light path attribution constraint's vehicle display screen pose optimization method, it is related to the technical field of uncomfortable glare engineering evaluation, solve the technical problems that there is obvious deficiency in optimization efficiency, explainability and reusability of the reflection glare engineering process in the prior art for vehicle cockpit, the method includes the following steps: step 1: reflection light path attribution and constraint generation;Step 2: the minimum solution stage of unified glare value in constraint domain.This based on reflection light path attribution constraint's vehicle display screen pose optimization method of the present application, by reflection light path attribution in UGR High-risk pose is identified before evaluation and exclusion zone constraint is generated, reducing the invalid evaluation of a large number of inevitable high-glare poses, improving the effectiveness and engineering efficiency of optimization search.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

A steel pipe arch rib pre-assembly method, device, system and storage medium

ActiveCN120543784BImprove engineering efficiencySave manpower and material costsImage enhancementImage analysisPoint cloudPipe
This invention provides a method, apparatus, system, and storage medium for pre-assembling steel pipe arch ribs, belonging to the field of steel pipe splicing technology. The method includes: scanning the steel pipe arch rib segment to be assembled and adjacent steel pipe arch rib segments using a 3D laser scanner to obtain original point cloud data and original adjacent point cloud data; performing control point analysis on the original point cloud data and original adjacent point cloud data to obtain an initial assembly surface control point 3D coordinate set and an initial adjacent assembly surface control point 3D coordinate set; and performing pre-assembly analysis on the initial assembly surface control point 3D coordinate set and the initial adjacent assembly surface control point 3D coordinate set to obtain the pre-assembly result of the steel pipe arch rib. This invention improves engineering efficiency, avoids errors from traditional manual measurement, saves manpower and material costs, reduces the number of on-site pre-assembly operations, shortens the construction period, and lays the foundation for subsequent overall alignment calculation and digital modeling of the steel pipe arch rib.
Owner:GUANGXI GUITONG ENG MANAGEMENT GRP CO LTD +1

A glass curtain wall system

The utility model relates to building structure technical field discloses a glass curtain wall system, include: support subassembly, installation connecting piece and decoration subassembly, through the support subassembly is worn in glass component, support subassembly includes the first force -bearing component of being located in the inboard of glass component and the second force -bearing component of being located in the outside, the first force -bearing component and the second force -bearing component are fixed through the welding of link member, the second force -bearing component is connected with decoration subassembly through installation connecting piece, effectively disperses the external load that decoration subassembly produced, reduces the direct force to glass body, improves structural stability, through the installation connecting piece is located at the both sides of second force -bearing component, and with decoration subassembly fixed connection, can realize the quick installation of decoration subassembly, avoids the excessive occupation to glass curtain wall inboard space, has simplified the arrangement of support structure, promotes the overall construction convenience of glass curtain wall. Effectively reduce construction difficulty and installation cost, shorten construction period, promote engineering efficiency.
Owner:SUZHOU KELIDA PHOTOELECTRIC CURTAIN WALL

Anti-floating anchor rod based on sliding block spear principle

The utility model discloses an anti-floating anchor rod based on a sliding block spear principle, and belongs to the field of foundation anti-floating. Comprising reinforcing steel bars, movable screws, a foundation bed, fixed limiters, movable limiters, sliding blocks and anchor rod sleeves. At the top of the anchor rod, the reinforcing steel bars are fixed to the fastening circular truncated cone through fixed limiting and movable limiting through the threaded connection structure, the fastening circular truncated cone and the foundation cushion layer are integrated, and the stability of the reinforcing steel bars in the anchoring state is guaranteed. The foundation bed provides a supporting face, so that the anchor rod can be kept stable when subjected to pulling force, and the binding force between the anchor rod and surrounding soil or rock is enhanced. The assembly in which the sliding block can slide along the anchor rod sleeve adopts the principle similar to that of a sliding block fishing spear. The anchor rod sleeve is arranged on the outer side of the steel bar in a sleeving mode, supporting is provided for operation of the sliding block, and meanwhile the anti-pulling performance is further improved through combination with the grouting material. The grouting pipe is arranged on the inner side of the anchor rod and used for injecting cement paste or other filling materials so as to form a stable anchoring system.
Owner:NORTH CHINA INST OF AEROSPACE ENG

Compound water-based working solution for cleaning and passivating inner wall of stainless steel pipeline and use method of compound water-based working solution

PendingCN121976200AAchieve disintegration and clearingMaintain top-notch processing resultsMetallic material coating processesOrganic acidActive agent
The invention discloses a compound water-based working solution for cleaning and passivating the inner wall of a stainless steel pipeline and a use method thereof. The working solution is prepared by compounding an organic acid complexing agent, a fluorine-containing inorganic acid dissolving agent, an oxidizing inorganic acid passivating agent, a nitrogen-containing heterocyclic metal corrosion inhibitor, an anionic surfactant and water. The use method comprises the following steps: carrying out alkaline pretreatment and flushing on the stainless steel pipeline system; the preheated working solution is pumped into a system to be circularly cleaned and passivated; and finally, neutralizing and finally washing. Through the synergistic effect of all the components, powerful rust removal and high-quality passivation are integrated into one step, three kinds of stubborn red rust can be thoroughly removed, meanwhile, a stainless steel substrate is effectively protected against over corrosion, the treated surface keeps the original silvery white luster and smoothness of metal, a compact passivation film is formed, the water quality of a system is recovered quickly, and the service life of the system is prolonged. The method is suitable for regeneration maintenance of old purified water systems.
Owner:GUANGDONG ZHONGAN BODE ENGINEERING CO LTD

Domain-specific language compiler for cache coherency protocols

This application relates to a domain-specific language compiler for cache coherence protocols, belonging to the field of computer architecture modeling and simulation technology. The compiler takes a high-level abstract specification of the cache coherence protocol as input and automatically converts it into cache controller and / or directory controller code executable by a periodic precision simulator. Through systematic mapping and translation of the protocol's finite state machine, event-triggered mechanism, concurrent transaction management, and asynchronous hardware interaction, it achieves event-driven, non-blocking control logic generation. Simultaneously, the compiler supports network communication code generation, debug tracing injection, and formal logical equivalence checks. Furthermore, it incorporates a performance constraint-aware optimization module to automatically optimize the generated state machine, thereby improving simulation efficiency, reducing development complexity, and enhancing verifiability while ensuring the semantic correctness of the protocol.
Owner:SHAOXIN LABORATORY

Roadbed compaction quality control method based on fly ash-clayey sand mixture

The invention discloses a roadbed compaction quality control method based on a fly ash-clayey sand mixture, and belongs to the technical field of road engineering. The method comprises the following steps: obtaining California bearing ratio test data of the fly ash-clayey sand mixture under the conditions of different fly ash mixing amounts and compaction degrees through a test; constructing a prediction model for predicting the California bearing ratio, selecting the compaction degree and the fly ash mixing amount in the prediction model as independent control variables, and determining an optimal regression coefficient of the model; setting the fly ash mixing amount of construction, and based on the target roadbed performance required by engineering design, utilizing the prediction model to inversely calculate the minimum compaction degree control standard required by the target roadbed performance; and performing quality control according to the determined minimum compaction degree control standard in roadbed on-site construction. According to the method, the dependence on expensive and low-efficiency direct performance tests of the field CBR, the bearing plate and the like is reduced, the construction progress is accelerated, the quality inspection cost is reduced, and the engineering efficiency is improved.
Owner:SHANDONG UNIV OF SCI & TECH

A submersible axial flow pump inlet bell with both bottom coupling installation and anti-cavitation capacity

ActiveCN224592427USave time on installation and removalquick repair
This utility model discloses a submersible axial flow pump inlet horn that combines bottom-coupled installation and cavitation resistance, relating to the field of submersible axial flow pump improvement. It includes an inlet horn with an expanded hollow cylinder, flanges at both ends, and stainless steel wear-resistant rings fitted to the inner wall, the length of which covers the impeller blades. The mounting flange is fixed to the guide vane body with a stepped annular protrusion, and an even number of reinforcing ribs are provided between the flanges. A vertical protrusion is provided on the outer side of the inlet end. During operation, the horn-shaped structure guides the water flow smoothly in, the wear-resistant rings resist cavitation, and the reinforcing ribs and protrusions enhance the installation rigidity and stability, achieving efficient axial propulsion of the water flow. Compared with existing technologies, this design shortens installation and disassembly time, reduces stress values, reduces noise by 10-15 decibels, is compatible with multiple pump models, and reduces carbon emissions, combining installation convenience with environmental and energy-saving advantages.
Owner:HEFEI KAIQUAN MOTOR ELECTRIC PUMP CO LTD