22results about How to "Resolve failure" patented technology

The utility model relates to a tunnel construction technology field especially relates to a kind of tunnel construction drilling mechanism, including support base, drill bit base, drilling drill bit and induction drill bit, drill bit base is provided in support base upper end, drilling drill bit is provided in drill bit base inside, induction drill bit is provided in the inside of drilling drill bit;Drilling drill bit is movably installed in drill bit base inside, and drilling drill bit is hollow structure, and induction drill bit is movably installed in the inside of drilling drill bit, contact head is provided in the front end of induction drill bit, and the edge of contact head is zigzag, and contact head and drilling drill bit front end are in same vertical position. In the utility model, drilling drill bit provides space for mechanical linkage, and the zigzag design of contact head enhances the mechanical sensitivity of induction drill bit to formation change, ensures that the resistance change is transmitted to induction drill bit, and by capturing the mutation signal of this rotating resistance, indirect induction to the front end of drill bit Real-time formation change can be realized, solve the problem of conventional inductor failure under high temperature environment.

This application discloses an intelligent monitoring method and system for sand and gravel concrete refrigeration equipment, relating to the field of intelligent equipment monitoring. It utilizes dual-channel sensors deployed in parallel inside and outside the air duct to collect mixed signals including airflow sound and ambient background noise. Through timestamp synchronization and adaptive background noise cancellation processing, the pure airflow friction sound signal is effectively extracted. Furthermore, specific modulation is generated on the high-frequency acoustic characteristics of the flowing air, and the acoustic roughness index is calculated by quantizing and extracting the microscopic roughness acoustic fingerprint from the high-frequency acoustic fingerprint feature spectrum. Based on this, the system monitors the acoustic fingerprint evolution trajectory, accurately determines the current frosting phase state, and generates optimized calibration control commands at the initial stage of frosting, realizing proactive defensive adjustment of the refrigeration unit, thereby solving the problems of monitoring failure and defrosting control lag in existing technologies.

The present application relates to the technical field of material performance testing, and discloses a kind of test methods for evaluating the chemical solvent penetration resistance of reinforced plastic, comprising the following steps: constructing inverse transfer function to compensate platform lag, using historical strain data to predict the starting time of microcrack opening in the next cycle, combining platform inherent delay to calculate instruction sending time, based on stiffness attenuation rate calculated in real time to adaptively adjust the best disturbance frequency, using inverse transfer function to generate modified disturbance instruction and superimposed injection, deducting fluid viscous damping work previously calibrated from single cycle data to obtain effective dissipation density, determining failure end point based on the second derivative change of effective dissipation density sequence.The present application realizes the time synchronization of pressure wave and crack opening through prediction feedforward strategy, maintains deep penetration driving force using adaptive disturbance, and eliminates fluid damping interference through energy decoupling mechanism, improving the authenticity and result accuracy of stress-assisted solvent penetration test.

The application provides a cofferdam type construction structure of a conical prefabricated caisson foundation and a construction method thereof. The conical prefabricated caisson foundation comprises a conical bottom caisson constructed in a dry dock, and a conical side wall coaxially arranged in a central region and constructed in a wet dock. A water stop connecting member is arranged on the top of the conical bottom caisson and surrounds the periphery of the conical side wall. A cofferdam main body is arranged on the top of the water stop connecting member, and the cofferdam main body comprises a bottom initial section which is installed in the dry dock. By using the construction scheme of sitting on the bottom and increasing the height in the wet dock, the safety risks of overturning, failure of mooring system and damage of facilities during the construction of the traditional floating pouring method in the typhoon period are fundamentally solved, and the stability and safety of the caisson height increasing process are significantly improved. By arranging the cofferdam main body which is installed in stages, the stability of the caisson during the two floating processes of floating to the wet dock and floating to the pier position is ensured, and a whole-process dry operation environment is provided for the caisson sitting on the bottom and increasing the height in the wet dock.

This invention relates to the technical field of ship systems, specifically to a ship intelligent engine room signal acquisition and analysis system, including a signal acquisition module, a reconstruction and fusion module, a safety domain calculation module, a safety margin prediction module, and a graded response module. The signal acquisition module is used to synchronously acquire multi-source time-series signals of the ship's power system; the reconstruction and fusion module constructs a joint state vector; the safety domain calculation module calculates the safety domain volume of the ship's power system at the current moment; the safety margin prediction module outputs the remaining safety margin of the system; and the graded response module is used to execute graded early warning or control actions based on the remaining safety margin of the system. In the deeply coupled control scenario of a ship's intelligent engine room, this invention achieves real-time, quantitative, and forward-looking assessment and proactive safety protection of the stability state of a high-dimensional nonlinear system, laying a crucial safety foundation for intelligent ship navigation.

The present application relates to a kind of preparation method of immunoglobulin powder and its application, the preparation method includes the following steps: collecting bovine colostrum, using cell survival technology is frozen;Frozen bovine colostrum is thawed, carries out milk fat separation, and obtains defatted bovine colostrum;Defatted bovine colostrum and composite rennet are mixed and are curdled, and then broken, obtain whey;The composite rennet includes aspartic protease, papain and bromelain;Whey is ultrafiltrated, and immunoglobulin solution is obtained;Immunoglobulin solution is vacuum freeze-dried, and the immunoglobulin powder is obtained.The preparation method provided by the present application is low temperature all the way, the activity of immunoglobulin is retained to the greatest extent, the use of composite rennet solves the problem of curd failure, and each link cooperates to improve the curd effect, realizes the preparation of high-efficiency, high-purity and high-quality immunoglobulin powder.

The utility model relates to building structure engineering technical field especially is related to a tiger window waterproof joint. The utility model discloses a tiger window waterproof joint, include: roof, the inside column of window, its bottom is fixedly connected with roof, the outside column of window is located the outside of inside column of window, first waterproof support layer is fixedly laid in the outer surface of roof, the outer surface fixed laying of first waterproof support layer has first waterproof layer, the bottom between outside column of window of first waterproof support layer has the gap for first waterproof layer passes, second waterproof support layer is fixed on the outside of outside column of window, the surface of second waterproof support layer is laid with second waterproof layer. Through the layered setting and gap cooperation of double -layer waterproof system, rainwater penetration path is blocked, prevents rainwater from invading roof structure, has improved the reliability and durability of waterproof system significantly, has prolonged the service life of waterproof system.

This utility model relates to a hybrid control system for a DC motor, comprising a control unit and a drive circuit. The input and output terminals of the drive circuit are electrically connected to the output terminal of the control unit and the DC motor, respectively. The system also includes a Hall effect sensor module and a current sampling circuit. The Hall effect sensor module includes three Hall effect sensors, and its signal output terminal is electrically connected to the first set of signal input terminals of the control unit. The current sampling module includes three sets of differential operational amplifier circuits, with their input terminals electrically connected to the output terminals of the drive circuit and their signal output terminals electrically connected to the second set of signal input terminals of the control unit. This system solves the problem of system failure caused by a single point of failure of the Hall effect sensor through an integrated fault detection and switching mechanism, thereby achieving a balance between reliable startup, high-precision operation, and high redundancy.

This invention discloses a collaborative control method for unmanned trucks at intersections in open-pit mines, capable of identifying dynamic operating conditions. The onboard edge computing terminal includes a data preprocessing module, a parameter identification and state estimation module, a collaborative decision-making main control module, and a dual-loop safety circuit breaker module. The data preprocessing module is connected to the onboard sensor terminal, the collaborative decision-making main control module, the parameter identification and state estimation module, and the cloud training and control center. The parameter identification and state estimation module and the cloud training and control center are both connected to the collaborative decision-making main control module, which is connected to the dual-loop safety circuit breaker module. This invention solves the problem of static road surface model failure through online parameter identification, ensuring the robustness of intersection passage; it introduces a dual-loop safety circuit breaker mechanism to prevent safety accidents caused by AI algorithm "illusions"; and it incorporates energy management into the control closed loop, optimizing the speed curve for heavily loaded downhill vehicles to maximize the utilization of potential energy recovery.

The utility model relates to a scrap iron collecting device, a ground washing vehicle and a ground washing supply station, and the scrap iron collecting device is applied to the ground washing vehicle and comprises a garbage can body used for receiving scrap iron; the magnetic adsorption part is arranged in the garbage can body and is used for generating magnetic force to adsorb scrap iron; when the magnetic adsorption part is powered off, the magnetic adsorption part generates magnetic force to adsorb scrap iron to the outer surface of the garbage can body; and when the magnetic adsorption part is electrified, the magnetic force of the magnetic adsorption part disappears, so that the scrap iron falls into a collecting basket of the ground washing vehicle from the outer surface of the garbage can body. According to the scrap iron collecting device, the ground washing vehicle and the ground washing supply station provided by the invention, the effects of rapidly collecting and rapidly and automatically cleaning scrap iron in an industrial scene can be achieved.

The invention discloses a horizontal flat plate combination valve, which relates to the technical field of high-pressure water injection pumps, and comprises a shell, a valve seat, a suction valve core, a suction elastic component, a discharge valve core, a discharge elastic component and a support, a liquid discharge flow channel penetrating through a suction end face and a discharge end face is arranged in the middle of the valve seat, and one end of the support is fixed at a discharge end of the valve seat. The discharging valve element comprises a non-metal annular valve disc, a guide column, a supporting plate and a pressing plate, the guide column is arranged in the support, one end of the guide column is slidably sleeved with the support, the other end of the guide column is fixedly sleeved with the supporting plate, the guide column is sleeved with the non-metal annular valve disc, the pressing plate presses the non-metal annular valve disc on the supporting plate, and the guide column is sleeved with the discharging elastic component. The end, away from the supporting plate, of the non-metal annular valve disc can make contact with the discharging end face of the valve seat. According to the horizontal type flat plate combination valve, erosion of the annular inner side wall of the non-metal annular valve disc and the liquid drainage flow channel on the valve seat is avoided, and the service life of the non-metal annular valve disc and the service life of the valve seat are prolonged.

The application discloses a railway power distribution network fault information automatic diagnosis and positioning method and system, belongs to the technical field of power distribution fault diagnosis and positioning, and comprises the following steps: generating an auxiliary classification generative adversarial network, obtaining a standardized training data set balanced in categories and performing preprocessing; mapping the preprocessed data in the standardized training data set into a snowflake-shaped SDP image in a two-dimensional polar coordinate system, inputting the SDP image into a fault diagnosis model based on a deep convolutional neural network, and outputting a fault section and a preliminary fault distance; constructing a physical circuit model of a railway power distribution network distribution parameter, and calculating a theoretical simulation voltage and a simulation current by using a transmission line equation; starting iteration correction based on the Pearson correlation coefficient of each data, and outputting a diagnosis result. Through the fusion of data enhancement, feature transformation, intelligent diagnosis, physical inversion checking and topological adaptive adjustment, the application realizes high-precision, high-reliability and self-adaptive fault information automatic diagnosis and positioning.

The present application relates to the field of agricultural informatization and intelligent management, in particular to a full-process management system for selenium-rich bio-organic fertilizer research and development and demonstration and popularization, comprising: a raw material digital filing module for executing a sliding average filtering algorithm to clean data and generating a digital raw material fingerprint feature vector; a market demand reverse analysis module for extracting and calculating an environmental demand constraint matrix representing differentiated market demand based on preset element flow rules; a research and production intelligent decision-making module for starting an evolutionary solution model, mapping the raw material fingerprint to the environmental constraint matrix, and outputting a dynamic production management instruction sheet; a production execution supervision module for distributing instructions to terminals and real-time monitoring of process execution data; and a full-life-cycle closed-loop optimization module for obtaining feedback data to calculate deviations and generating a correction factor to update model parameters; the present application solves the contradiction between the heterogeneity of non-standard biomass raw materials and the precise nutritional requirements of functional agricultural products.

This invention relates to the field of power distribution automation technology and discloses an intelligent one-button control device for mid-mounted switchgear, comprising a data fusion module, a parameter optimization module, an operation execution module, an evaluation and maintenance module, a collaborative scheduling module, a visualization module, and a safety protection module. The data fusion module collects switchgear operation data; the parameter optimization module obtains equipment fingerprint vectors and drive parameters through transfer learning; the operation execution module generates operation sequences using a deep Q-network; the evaluation and maintenance module evaluates equipment health through a multimodal fusion network; the collaborative scheduling module achieves equipment synchronization and cluster scheduling; the visualization module provides a graphical interface and an operation interface; and the safety protection module has emergency stop, overcurrent protection, and five-proof verification functions. This invention can realize intelligent and automated operation of switchgear, improving safety and maintenance efficiency.

The application discloses a kind of rotating tide controller consistency site selection method and system, belong to power system planning and control technical field.The method includes: based on distribution network basic model, construct internal impedance coupling relationship Construct rotating tide controller actual capacity domain reconstruction model, generate linearization capacity domain constraint including physical zero point drift vector and effective radius by convex polyhedron approximation technique;Establish the physical driving adaptive voltage sensitivity model including validity correction coefficient, to characterize the nonlinear feedback mechanism under mixed load environment;Based on the linearization capacity domain constraint and adaptive sensitivity model, construct the double-layer robust model with minimum investment cost as main problem, maximum voltage out-of-limit risk as sub-problem, and obtain site selection and capacity determination scheme by using column and constraint generation algorithm iterative solution.The application realizes the consistency of planning decision and physical operation result, effectively avoids the secondary out-of-limit risk caused by load counterattack effect.

This utility model relates to the field of road sign technology, and in particular to a 100-meter marker device. The device includes a positioning sign and an auxiliary sign; the side of the positioning sign that records the kilometer and meter information is used as the positioning surface; the positioning surface is inclined; the auxiliary sign is detachably installed on the positioning sign. When in use, the 100-meter marker device provided by this invention, by tilting the positioning surface of the positioning sign, guides moisture on the surface of the positioning sign to drain quickly along the positioning surface, thereby preventing water droplets from accumulating on the positioning surface that records the kilometer and meter information, thus solving the problem of the kilometer and meter information on the 100-meter marker becoming invalid. This also addresses the problem that water droplets easily accumulate on 100-meter markers, and the high exhaust gas content in highway or expressway areas makes the painted kilometer and meter information on the 100-meter markers easily eroded, causing the kilometer and meter information on the 100-meter markers to become invalid.

The present application relates to a kind of space solar panel servo motor system rigid-flexible coupling modal modeling method, belong to spacecraft dynamics modeling technical field.This method aims to solve the failure of existing analytical model under single-axis large angle rotation and the problem that finite element model lacks explicit mathematical equation and is difficult to be directly used for control system design.The technical scheme is:establishing system geometry model and coordinate system;Adopting characteristic orthogonal polynomial to construct solar panel vibration displacement function;System kinetic energy, strain energy and hinge potential energy function are constructed;Based on Rayleigh-Ritz method, the system modal characteristic equation is established and the natural frequency and vibration mode are solved numerically.This method can realize the accurate modeling of single-axis large range rotation, and directly obtain low-dimensional high-precision explicit mathematical model, which is convenient for docking and co-simulation with control software.

This application discloses an online upgrade method, apparatus, device, and storage medium, relating to the field of display technology and applied to a slave device. The method includes: receiving a fusion upgrade package forwarded by a master device, wherein the fusion upgrade package includes a firmware data segment and an additional data segment, the additional data segment containing verification information of the firmware data segment; parsing the verification information from the fusion upgrade package, and performing a first verification on the firmware data segment in the fusion upgrade package based on a preset length of the firmware data segment included in the verification information and a first verification value; if the first verification passes, performing a second verification on the firmware matching identifier included in the verification information; if the second verification passes, performing an upgrade operation on the firmware data to be upgraded on the slave device according to the fusion upgrade package. This application improves the reliability and security of online upgrades.

The application provides an exhaust system and a loader, and relates to the technical field of equipment exhaust, wherein the exhaust system comprises: an aftertreatment assembly used for treating tail gas emitted by an engine, the aftertreatment assembly having an air outlet; an exhaust pipe, one end of the exhaust pipe in an extension direction being flexibly connected with the aftertreatment assembly, and the one end of the exhaust pipe in the extension direction being communicated with the air outlet; and a support, the exhaust pipe being arranged on the support. The exhaust system and the loader provided by the application solve the problem that the connecting part between the aftertreatment assembly and the exhaust pipe is prone to breakage due to fatigue after long-time use, and further causes the exhaust system to fail.

This invention belongs to the field of electrical equipment technology and discloses a busbar system and an electrical cabinet. The busbar system includes a busbar compartment assembly, a first busbar, a first mounting frame, a second mounting frame, and a third mounting frame. The busbar compartment assembly is disposed on the first mounting frame. The first mounting frame slides along a first direction and is connected to the second mounting frame. The second mounting frame slides along a second direction and is connected to the third mounting frame. The third mounting frame slides along a third direction and is connected to the cabinet body of the electrical cabinet. The three directions are perpendicular to each other. The first busbar is installed on the busbar compartment assembly and includes a first flexible busbar. The two ends of the first flexible busbar are respectively connected to a first terminal and a second terminal, and the distance between the two terminals is adjustable. The first terminal is used to connect to adjacent electrical cabinets, and the second terminal is used to connect to electrical components inside the cabinet. This busbar system can adapt to deviations during on-site cabinet paralleling, reduce the design and processing accuracy of busbars and the difficulty of cabinet paralleling, and can quickly complete cabinet paralleling without on-site measurement, thereby improving the success rate of cabinet paralleling.