1145 results about "Safety coefficient" patented technology

The invention discloses a hydraulic engineering digital design method based on digital twinning, and relates to the technical field of hydraulic engineering design. According to the digital twin-based hydraulic engineering digital design method, design demand information of a to-be-designed diversion tunnel is obtained and input into a pre-trained building recognition model for comprehensive analysis, a spatial layout map of the to-be-designed diversion tunnel is obtained, and a tunnel design digital twin model is constructed; simulation data of the tunnel design digital twinborn model are obtained, simulation analysis is carried out respectively, a tunnel construction risk index and a hydraulic action risk comprehensive index of the tunnel design digital twinborn model are obtained, comprehensive analysis is carried out, and a tunnel feasibility index of the tunnel design digital twinborn model is obtained; according to the method, the tunnel design digital twin model is subjected to design optimization based on the feasibility index, so that a lagging mode of re-evaluation after building is effectively avoided, later frequent reinforcement and reworking are prevented, and the engineering safety coefficient is improved.

The invention discloses a flood season dam project stability prediction method based on multi-model joint decision making. The method comprises the following steps of obtaining parameters of a dam to be predicted and setting a judgment index, establishing a numerical model according to the parameters of the dam to be predicted, assigning values to the parameters of the numerical model according to the judgment index, and solving a safety coefficient of the numerical model of the dam. Three single machine learning models are established, an improved grey wolf algorithm is introduced for optimization, and an optimal model is obtained through judgment indexes and corresponding safety coefficient training models; performing decision-level fusion on the optimal model through a D-S evidence theory to construct a prediction model; and solving the safety coefficient of the to-be-predicted dam through the prediction model, and comparing the safety coefficient with the allowable safety coefficient of the to-be-predicted dam to complete dam stability prediction. According to the method, the multiple single machine learning models are optimized and fused to construct the prediction model, the advantages of different models can be effectively fused, and the precision and reliability of dam stability prediction are greatly improved.

The invention relates to the technical field of railway vehicles, and provides a shaft sleeve structure, a wheel set, a bogie and a railway vehicle. The shaft sleeve structure comprises a first shaft sleeve and a second shaft sleeve; the first shaft sleeve and the second shaft sleeve are coaxial, are arranged on the two sides of the gearbox respectively and are suitable for being fixedly connected with the gearbox respectively. The first shaft sleeve and the second shaft sleeve are respectively provided with an axial shaft penetrating hole, and the shaft penetrating holes are suitable for penetrating an axle coaxially fixed with a wheel; the first shaft sleeve comprises a first pipe body close to the gear box and a second pipe body far away from the gear box, the second shaft sleeve comprises a second pipe body, the first pipe body is of a sleeve structure with a round inner side and a square outer side, and the second pipe body is of a round sleeve structure and is suitable for being rotationally connected to the inner side of a wheel. The axle can only transmit torque, the first shaft sleeve and the second shaft sleeve play a bearing role, the torque transmission function and the bearing function are decoupled, good bending resistance is achieved, and the safety coefficient is effectively improved.

The invention discloses a high-flux testing device for accurately testing the dynamic erosion corrosion performance of a material, which comprises a testing kettle, a rotating system, a liquid circulating system and a liquid collecting tank, the rotating system comprises a motor and a rotating blade, and the rotating blade is provided with a sample; the invention further discloses a testing method for high-flux accurate testing of the dynamic erosion corrosion performance of the material. The method comprises the step of injecting the corrosion solution to scour a sample. The rotation system is arranged to realize rotation of the sample, the test kettle and the liquid circulation system matched with the test kettle are arranged to realize erosion of the corrosion solution to the sample, the flow rate is controllable, the corrosion solution can be reused, and a plurality of samples can be subjected to long-time erosion corrosion test in the same environment and under different test conditions. The corrosion performance of the material under the same corrosion environment, different operation states and different temperatures is accurately obtained, so that the function of accurately testing the dynamic erosion corrosion performance at high flux is realized, and the testing device has the characteristics of high safety coefficient, convenience in operation and the like.

The invention relates to a method, a device and a system for verifying a bearing structure of a rear bumper, and belongs to the field of bumper testing, and the method comprises the following steps: carrying out mechanical property simulation in a three-dimensional model of the rear bumper; fixing the rear bumper simulation real vehicle assembly posture, starting to test the rear bumper, and recording the actually measured deformation quantity in real time; calculating a safety coefficient K; according to the method, the same process is adopted in each testing process, testing is carried out under the same condition, the reference degree of a testing result is improved, meanwhile, the data of physical testing is compared with the data of analogue simulation, and the testing accuracy is improved. And according to the existing difference, whether the subsequent design of the rear bumper is improved and optimized or not is quickly judged.

The utility model belongs to the technical field of foundation engineering, particularly relates to a foundation engineering deep foundation pit supporting device, and aims to solve the problems that the supporting range is small and the danger coefficient is high in the background technology, and provides the following scheme that the foundation engineering deep foundation pit supporting device comprises supporting plates which are symmetrically distributed, and hinged plates which are symmetrically distributed are welded to the outer walls of one sides of the two supporting plates; and an internal thread sleeve is hinged between the two hinged plates. The two supporting plates can be specially used for supporting the inner wall of the foundation pit, so that the supporting plates can be attached to the inner wall of the foundation pit in the foundation pits with different widths and sizes, the supporting effect is remarkable, the supporting range is greatly widened, the butt joint structure is arranged on each supporting plate, and the supporting effect is good. The positioning blocks in the bottom frame of the upper-layer supporting plate can be directly connected into the top frame of the lower-layer supporting plate in a butt joint mode, the upper supporting plate and the lower supporting plate are connected and fixed, the supporting device can be used for the field of supporting of deep foundation pits, use is flexible, collapse of rock soil on the upper layer is avoided, and the safety coefficient is high.

The invention discloses a control method for automatic feeding and discharging of a broach, and relates to the technical field of mortise broaching machines and mortise broaching machines. The control method comprises the steps that machining parameters are obtained, a tool changing instruction is generated, and storage position coordinates of a target broach are analyzed; according to the tool changing instruction, a posture calibration instruction is generated; a coordinate system of the guide rail truss is obtained, and a moving path of the moving frame is obtained; based on the advancing path, an inclination angle of 15-25 degrees is formed between the hook and the broach box hanging column; obtaining plug-in gap data, and generating a plug-in completion signal; the plug-in gap data is scanned, multi-source data fusion processing is carried out, and a quality evaluation report in the tool changing process is generated; and extracting the process parameter deviation value, the path planning time consumption and the metal material strength data in the quality evaluation report to obtain the structure safety coefficient of the broach assembly. The method has the effects of improving the efficiency and the safety during cutter loading and unloading, and improving the real-time performance and the flexibility of monitoring and adjusting the cutter loading and unloading process at the same time.

The invention relates to the technical field of automatic driving trajectory planning control, in particular to an optimal inter-vehicle time interval control method for cooperative cruise of a truck under a communication delay condition. According to the method, a layered control framework of truck cooperative cruise control is designed, and a vehicle safety inter-vehicle time interval model, a communication delay model and a queue collision safety model are constructed; the inter-vehicle time interval, the communication delay coefficient and the safety coefficient are quantified into space particles, optimization is carried out based on a particle swarm algorithm, and the optimal inter-vehicle time interval on the basis of guaranteeing the queue safety and the fuel economy is obtained; designing a longitudinal model predictive control (MPC) expected acceleration decision controller of truck cooperative cruise by considering multi-target constraints of safety and fuel economy in a vehicle following process to obtain an expected acceleration; and a load change-considered feedforward and active-disturbance-rejection control brake driving error compensation model is established, so that the anti-jamming capability of the model is enhanced, and the actual acceleration of the queue truck accurately follows the expected acceleration under the load change condition.

The invention relates to the technical field of power equipment detection and evaluation, in particular to a transformer anti-short-circuit capability evaluation method based on finite element micro-damage accumulation, which comprises the steps of constructing a transformer full-fault finite element model, simulating and calculating the mechanical strength and safety coefficient of a winding, establishing a micro-damage accumulation model and evaluating the mechanical life. Bidirectional coupling analysis is realized through iterative simulation, and the anti-short-circuit capability of the transformer is dynamically evaluated in real time. According to the method, transformer design parameters, short-circuit impact influences and micro-damage cumulative effects can be comprehensively considered, accurate evaluation and dynamic monitoring of the anti-short-circuit capability in the whole life cycle are achieved, and a scientific basis is provided for operation and maintenance decisions.

According to the large-span steel structure refined construction method based on the simulation model, through whole-process refined simulation and optimization, the construction level of a large-span steel structure is remarkably improved, the construction scheme is determined based on a multi-objective optimization algorithm, accurate design of parameters such as hoisting, supporting and monitoring is achieved, a temperature field model is combined with actual measurement correction, and the construction efficiency is improved. The integration of optimization closure temperature, node semi-rigidity and initial defects enables simulation errors, support stability evaluation and optimization guarantee of safety coefficients, most construction risks can be predicted in advance on the whole, the field adjustment time is shortened, the formal construction period is shortened, the construction efficiency and safety are greatly improved, the obvious engineering value and economic benefits are achieved, and the method is suitable for popularization and application. The problem that an existing large-span steel structure construction method lacks a calculation model for predicting the risk in advance and shortening the construction period by combining multi-aspect data is solved.

The invention discloses an insulating pull rod lightweight design method based on a multi-objective optimization algorithm, and aims to solve the problems of heavy weight and heavy workload of a bearing tool in hot-line work of an ultra-high voltage transmission line. The method comprises the following steps: setting electrical and mechanical property parameters of the insulating pull rod; then, a three-dimensional model is built through SolidWorks, and finite element analysis is carried out through COMSOL; then, an optimized data set is obtained through joint simulation of MATLAB, COMSOL and SolidWorks; secondly, establishing a mathematical optimization model, solving by adopting a particle swarm-grey wolf optimization algorithm, and improving the algorithm through Sine-Tent-Cosine chaotic mapping population initialization and a crisscross strategy; and finally performing simulation verification on the optimization scheme. The device is applied to the lightweight design of large-load insulating force-bearing tools, effectively shortens the development period of the tools, saves the production cost, improves the safety coefficient of hot-line work, and remarkably reduces the workload of hot-line workers.

The utility model discloses a cold isostatic press for graphite products, which comprises a base, four corners of the base are provided with supporting legs, the supporting legs are provided with a first supporting plate and a second supporting plate, the first supporting plate is provided with a working cylinder, an end cover capable of covering up and down is arranged right above the working cylinder, and the working cylinder is provided with a second supporting plate. The second supporting plate is provided with a hydraulic supercharger under the working cylinder, the base is provided with a movable static pressure main body, a first cavity is formed in the static pressure main body, and the end cover is matched with the working cylinder and then statically presses in the first cavity; when the cold isostatic press for the graphite product is used, graphite can be pressed into a solid body, the overall structure is stable under high pressure, the safety coefficient is high, the static pressing body is wide in application range, the graphite static pressing requirement is met, and the cold isostatic press is suitable for application and popularization.

The invention provides a novel electric two-wheeled vehicle body which is applied to an electric two-wheeled vehicle. The vehicle body comprises an upper vehicle body and a lower vehicle body, and the upper vehicle body and the lower vehicle body are both made of solid metal materials; the lower vehicle body is fixedly connected to the lower side of the upper vehicle body. The vehicle is divided into the upper vehicle body and the lower vehicle body which are both made of solid metal and are high in rigidity, light in weight and high in safety coefficient. The upper vehicle body and the lower vehicle body are connected in a split mode, when the appearance modeling of the electric two-wheeled vehicle is iteratively upgraded, the lower vehicle body can be kept unchanged (or the upper vehicle body can be kept unchanged), and a brand-new electric two-wheeled vehicle can be obtained only by upgrading the appearance modeling of the upper vehicle body (or only upgrading the modeling of the lower vehicle body); according to the method, the appearance modeling of the electric two-wheeled vehicle body can be iteratively upgraded, the mold of the lower vehicle body (or the upper vehicle body) can be fully utilized, and the cost for iteratively upgrading the appearance modeling of the electric two-wheeled vehicle body is reduced.

The invention provides a pile foundation construction monitoring control method and system, and relates to the field of pile foundation construction.The method comprises the steps that operation parameters of construction equipment are obtained at multiple moments of a monitoring period; determining a safe operation coefficient of the construction equipment according to the operation parameters of the construction equipment; acquiring construction environment monitoring data of the construction area at a plurality of moments of the monitoring period; processing the construction environment monitoring data according to a trained construction environment risk prediction model, and determining a construction environment risk coefficient; acquiring pile foundation performance monitoring data at a plurality of moments of the monitoring period; according to the pile foundation performance monitoring data, the pile foundation safety coefficient is determined; and generating a monitoring control report according to the construction equipment safety operation coefficient, the construction environment risk coefficient and the pile foundation safety coefficient. According to the invention, the comprehensiveness of pile foundation construction monitoring control can be improved.

The application relates to a vehicle type traveling equipment. The vehicle type traveling equipment comprises a cutting assembly, a chassis, a cutting motor, a detection device and a control device. The cutting assembly comprises a mowing element for mowing. The chassis supports the cutting assembly. The cutting motor is arranged to drive the cutting assembly. The detection device detects a first operating parameter and a second operating parameter of the cutting motor. The control device controls the cutting motor to stop or slow down when the first operating parameter is in a first threshold range and the second operating parameter is in a second threshold range for a first preset time. The second operating parameter is different from the first operating parameter, and the second operating parameter at least comprises a rotating speed of the cutting motor. The application improves the accuracy of judging whether the cutting assembly works normally, and further improves the safety factor of the vehicle type traveling equipment.

The invention discloses an under-mine environment accurate positioning system based on a UWB technology, and relates to the technical field of data processing and positioning, an underground area is divided into a safe area and a dangerous area by obtaining the structure risk value of each sub-area and combining the structure risk value and the position information of the corresponding sub-area, and the safe area and the dangerous area are accurately positioned. A plurality of rescue robots are arranged in the underground area; acquiring position information of the mobile tag, displaying the position information on an electronic map, generating an air quality coefficient, and dividing the plurality of sub-regions into risk regions and safety regions according to the air quality coefficient; and sending inquiry information to the miner, acquiring a corresponding safety coefficient, and if the acquired safety coefficient is lower than a safety threshold value, planning a support path to the miner for the rescue robot, so that the rescue robot rescues the miner along the support path. After the miner is found according to the position information of the miner, the miner is rescued through guidance of the rescue robot, and the miner is prevented from getting lost and being lost.

The utility model relates to a rail type bin flattening device which comprises first rails and second rails which are arranged in parallel, a bottom frame and a first driving part are arranged between the first rails on the two sides, a scraping plate seat and a second driving part are arranged on the bottom frame, the second rails are located above the first rails, and bottom layer sliding blocks are arranged on the first rails in a sliding mode. Third rails are fixed to the bottom layer sliding blocks, surface layer sliding blocks are arranged in the third rails in a sliding mode, the bottom frame is installed between the surface layer sliding blocks on the two sides, third driving parts are arranged on the third rails, side edge sliding blocks are arranged on the second rails in a sliding mode, two sets of side edge sliding blocks are arranged on each second rail, and each side edge sliding block comprises a clamping part. And the clamping part is fixed with the third rail. When the height of the grain surface changes, the height of the bottom frame stretching across the full width range of the granary is adjusted, and compared with only lifting of the scraper, the overturning moment borne by the bottom frame is smaller. And the second track can share part of stress of the underframe, so that the stability and the safety coefficient of the utility model are further improved.

The present invention relates to the technical field of boiler manufacturing, and provides a weld seam structure suitable for a narrow gap water-cooled wall tube panel and a welding process. The weld seam structure comprises groove gaps formed between adjacent water-cooled wall tubes; joints are provided on the sides of the adjacent water-cooled wall tubes close to each other; the joints are distributed on the upper sides of the groove gaps, and the joints are communicated with the groove gaps; and the groove gaps comprise V-shaped grooves or U-shaped grooves. In addition to the original joints, adjacent water-cooled wall tubes are considered as a whole, and gaps formed between the water-cooled wall tubes are machined into groove gaps and welded with the joints, thereby increasing the thickness of a welding seam at a tangent point and the safety coefficient, facilitating ray radiographic inspection, and solving the technical problem of great hazards to the safe operation of units due to the fact that when the gaps between the adjacent water-cooled wall tubes are small, the welding quality at the tangent point position of the adjacent water-cooled wall tubes cannot be effectively guaranteed due to inconvenient observation, welding, and radiographic inspection.

The invention provides a floating structure anchoring system design analysis method suitable for a shallow water condition, and particularly belongs to the technical field of floating equipment mooring. The method comprises the steps that firstly, the platform deformation energy requirement is calculated according to a platform structure type, and the residual deformation energy of an anchoring line configuration scheme is calculated based on the deformation energy principle; preferably selecting an anchoring scheme with the maximum residual deformation energy; then, based on a numerical method of a viscous flow theory, an overlapping grid method is coupled with a mooring cable dynamic simulation method, the floating structure motion response and the anchoring safety coefficient of the optimal scheme are checked, the layout scheme of the mooring system is determined through the scheme design and safety checking process, the whole design process is scientific and meticulous in logic, and the design efficiency is high. The method is high in performability and has practical engineering application guiding significance.

The invention discloses a bolt strength calculation and evaluation method and device and a storage medium, and belongs to the technical field of commercial vehicles. The method comprises the steps that pre-tightening force is obtained; the pre-tightening force is applied to the bolt, and a whole vehicle pre-tightening working condition stress field result is obtained; obtaining the maximum value of the acceleration signal and the maximum value of the suspension displacement signal; establishing a whole vehicle vertical working condition, a braking working condition, a steering working condition and a torsion working condition based on the acceleration signal maximum value and the suspension displacement signal maximum value, and respectively substituting the whole vehicle pre-tightening working condition stress field results into the whole vehicle vertical working condition, the braking working condition, the steering working condition and the torsion working condition to obtain corresponding stress field results; and extracting the section force and the torque of the bolt from the corresponding stress field result, calculating the safety coefficient of the bolt based on the section force and the torque of the bolt, and evaluating the reliability of the bolt according to the safety coefficient. The technical problem that the bolt strength cannot be accurately calculated in the prior art can be solved.

The invention discloses a waterproof safety evaluation method and system for waterproof engineering, and belongs to the technical field of waterproofing of constructional engineering. According to the method, the waterproof safety level is comprehensively evaluated by determining an engineering structure defect quantitative index, setting a reference crack width Ws, measuring a waterproof material or engineering re-waterproof performance index Wm and calculating a waterproof safety coefficient K = Wm / Ws. The system evaluates grades based on the method, and selects corresponding waterproof materials and construction methods according to engineering importance, expected deformation and service life. According to the invention, concepts of'waterproof performance 'and'waterproof safety coefficient' are put forward for the first time, a quantitative evaluation system oriented to waterproof performance is established, the defects of heavy form and light actual effect of current specifications are effectively overcome, the transformation from'form compliance 'to'performance standard' is realized, the reliability, durability and economy of waterproof engineering are remarkably improved, and the method is suitable for popularization and application. And a scientific basis is provided for engineering design, material selection and acceptance.

The invention relates to the field of tire type walking equipment, and discloses a load-sensitive hydraulic brake valve and a load-sensitive hydraulic system thereof, and the load-sensitive hydraulic system comprises the load-sensitive hydraulic brake valve, a load-sensitive pump, a priority valve, a steering hydraulic system, a working hydraulic system, a shuttle valve and corresponding connecting pipelines; a P port, an A port, a B port, a T port, an LS1 port, an LS port, a low-pressure alarm pressure switch and a brake lamp pressure switch are arranged outside the load-sensitive hydraulic brake valve. According to the system, full-hydraulic dynamic braking can be achieved on equipment without a prefill valve, the equipment efficiency is improved, the installation cost is reduced, the energy consumption is reduced, and the service life is prolonged. Wherein the load-sensitive hydraulic brake valve integrates a brake function, a pressure maintaining function, a high-low pressure switching function, a pressure signal selection function and a pressure alarm function; the invention has the advantages of fast braking response, low noise, low failure rate, high safety coefficient, compact structure, low cost, low energy consumption and long service life.

The invention provides a monorail crane rail heavy sliding turnout which comprises an installation frame, a first short straight rail fixedly arranged below the left side of the installation frame, a second short straight rail fixedly arranged below the right side of the installation frame and a short bent rail. The rail transfer conduction assembly is movably arranged on the mounting frame and used for communicating the first short straight rail with the second short straight rail or communicating the first short straight rail with the short bent rail to form an integral structure, and the rail transfer driving air cylinder is fixedly arranged on the mounting frame and used for driving the rail transfer conduction assembly to move. The first limiting assembly and the second limiting assembly are arranged on the mounting frame and used for conducting linkage limiting on the left side and the right side of the rail transfer conduction assembly after the rail transfer conduction assembly moves in place, and the car stopping assembly is used for stopping passing of a curve when a straight way is connected or stopping passing of the straight way when the curve is connected. By means of the overall structural design, track changing is rapid and accurate during use, the structure is firm, the safety coefficient is high, the track changing running stability and passing ability of the monorail crane can be improved, faults and losses are reduced, and the running efficiency of the monorail crane is improved.

The invention provides a sleeve testing device and a strength checking and correcting method, and relates to the technical field of offshore high temperature and high pressure, and the device comprises a temperature control system which is used for providing a steady-state high-temperature simulation environment and a transient high-temperature simulation environment for a sleeve sample; the loading system is used for applying axial, radial and internal loads to the casing sample; the monitoring system is used for monitoring a surface temperature field, inner wall strain and leakage of the casing sample; and the data processing and control unit is respectively connected with the temperature control system, the loading system and the monitoring system. The method adopts the device and comprises the following steps: selecting a casing sample, fixing a sensor and completing initial calibration; heating the whole casing pipe and keeping the temperature constant, and applying instantaneous thermal shock to a specific area; synchronously applying axial, radial and internal loads; cooperatively monitoring the temperature field, the strain and the leakage rate to form an associated database; and correcting the safety coefficient. The invention solves the problems of single test temperature and insufficient load coupling of the traditional casing, and is suitable for casing performance evaluation.

The invention discloses a gear pair life prediction method based on dynamic stress, belongs to the technical field of reliability design of mechanical transmission systems, and aims to solve the problem of inaccurate life prediction caused by neglecting a dynamic effect and a real surface topography in an existing gear design method. The method comprises the following steps: firstly, acquiring gear pair interface mechanical property parameters considering shafting vibration, dynamic load and surface roughness, wherein the parameters comprise transient oil film pressure, friction coefficient, oil film thickness and shear stress; solving a three-dimensional subsurface stress field by adopting an algorithm and calculating von Mises equivalent stress distribution; stress volume integration is conducted on different rough surfaces, the honed surface is used as the reference, the relative fatigue life of other surfaces is calculated based on the Zaretsky life prediction theory, and accurate prediction and process optimization of the contact fatigue life are achieved; meanwhile, the dynamic bending stress of the tooth root is calculated based on the dynamic normal load, and the bending fatigue safety coefficient is checked.

The invention discloses a safety production virtual training method and system for a mine underground scene, and the method comprises the steps: creating a model library, and storing a preset part model through the model library; based on the mine underground mine hole excavation design drawing, the spatial orientation of each component model is obtained, and a virtual practical training scene of the mine underground is generated; based on a received practical training instruction, a virtual practical training scene is obtained from the scene library according to the practical training instruction, and the virtual practical training scene is displayed on the interaction module; adjusting and transforming the virtual practical training scene based on an operation feedback signal of a practical training miner, labeling the component model with a high danger coefficient in the virtual practical training scene, judging the safety condition of each component model under the mine, calculating the average labeling number in the virtual practical training scene, and comprehensively judging the safety coefficient of the mine. The system has the advantages that the mine underground environment is simulated through the virtual reality technology, miners are helped to carry out safety operation training under the risk-free condition, and the safety consciousness and the emergency response capacity of the miners are improved.

The invention provides a robot cluster management method, system and device and a medium. According to the method, working data of each robot in a robot cluster is acquired to form a working data set, then a target position constraint feature quantity of a target robot is determined according to a current position set, and a target constraint level of the target robot is determined according to the target position constraint feature quantity and a preset constraint level range. Determining a target operation safety coefficient of the target robot according to the target constraint level and a target task priority corresponding to the target current task, and determining a target safety range of the target robot at the target current position according to the target operation safety coefficient; the target moving path in the current task of the target is indicated to indicate other robots located in the target safety range in the robot cluster to avoid the target moving path in the current task of the target, so that collision and interference between the robots during working of the robot cluster are effectively avoided, and the safety and smoothness of the robot cluster during cooperative work are ensured.

The invention relates to a method, device and equipment for determining the safety coefficient range of a karst cave slope and a medium. The method comprises the steps that the maximum value and the minimum value of the slope in the X direction and the Y direction are obtained; based on the maximum value and the minimum value of the slope in the X direction, the slope is divided in the X direction according to the vertical division interval, and a plurality of vertical units are obtained; based on the maximum value and the minimum value of the slope in the Y direction, unit bodies with random heights are generated in all the vertical units; according to the unit bodies, determining the distribution condition of the rock-soil body and the karst cave in each vertical unit, and constructing a slope karst cave simulation model; performing assignment calculation on the slope karst cave simulation model to obtain a slope safety coefficient; and a plurality of groups of slope safety coefficients are obtained through iterative calculation, and the range of the slope safety coefficients is determined based on each group of slope safety coefficients. Reliable data support can be provided for engineering design of the karst cave slope, and safety and engineering economy are both considered.

The invention discloses a grid fault intelligent management decision-making system based on a large model, and relates to the technical field of grid fault decision-making, and the system comprises a closing data detection module which is used for obtaining an electrical value, obtaining an equipment value, obtaining a hardware safety coefficient through the electrical value and the equipment value, obtaining a personnel risk value, and obtaining an execution value; obtaining a personnel safety coefficient through the personnel risk value and the execution value; the guarantee coefficient is obtained by combining the state of the electrical equipment and the condition of the maintenance personnel, and whether closing is carried out is judged through the guarantee coefficient and the preset threshold value of the guarantee coefficient, so that the safety risk after closing is comprehensively judged, and then risk assessment is conveniently given to management personnel before closing execution; therefore, decision-making assistance can be conveniently carried out on the closing operation of the management personnel, the data of each closing decision can be conveniently recorded by establishing the risk closing database, and the decision-making system can conveniently carry out decision-making optimization and adjustment according to historical data.

The invention discloses a standard formwork full-automatic production system, and relates to the technical field of standard formwork automatic production, and the standard formwork full-automatic production system comprises a production management module which is used for storing production process parameters of various models of formworks and configuration information of formwork assemblies, and carrying out the calling according to the demands of production orders; the reloading module is provided with a standardized formwork interface and a positioning mechanism and is used for mounting and dismounting the formwork, and the monitoring module comprises sensors mounted at the mounting position of the formwork and key parts of production equipment. According to the full-automatic production system for the standard formwork, through the mode that software and hardware of the production management module and the reloading module are combined, the problem of formwork model switching in multi-model and large-batch production is effectively solved, and the flexibility and production efficiency of the full-automatic production system for the standard formwork are improved; manpower is effectively reduced, the efficiency is improved, the labor intensity is reduced, the safety coefficient is improved, and diversified requirements in a real production scene are met.