16results about How to "Reliable guidance" patented technology

The invention discloses a voiceprint recognition system attack resisting method and device, equipment and a medium, by constructing a shadow voice sample set and a substitution model, dependence on target speaker data and query capability is reduced, and privacy risk and query overhead are reduced; meanwhile, two types of substitution models are trained based on an information theory method, so that the mobility and stability of the models are improved, and the generalization ability is enhanced; besides, the attacker model adopts a specific architecture and combines an alternate training strategy, so that attack loss and prediction probability difference are optimized, imperceptibility and attack effectiveness are balanced, and tone quality reduction or attack failure is avoided; and finally, through systematic training and optimization, a more uniform evaluation caliber is expected to be provided, and more reliable guidance is provided for engineering landing and risk evaluation.

The utility model relates to tunnel arch frame technical field more specifically, and more specifically, relates to a I -beam follow -up welding device. Including the welding frame subassembly, mobile guide rail and automatic lifting carrier roller, the welding frame subassembly includes the welding fixed frame, welding robot and follow -up mobile wheel, and two groups are provided to the welding fixed frame side -by -side, and the both sides of two welding fixed frames are provided with the rack, and the welding robot is arranged on both sides rack setting, and the welding robot is located between two welding fixed frames, and the bottom of welding fixed frame is provided with follow -up mobile wheel, and the welding fixed frame is set up through follow -up mobile wheel on the mobile guide rail and slides, and the automatic lifting carrier roller is provided with multiple groups in the mobile guide rail. The device significantly reduces the artificial cost and the hidden danger, and the mobile welding does not affect the subsequent process completely, and the beat is optimized, and the overall operation efficiency of the assembly line is improved greatly, and the purpose of reducing the labor cost and improving the industrial efficiency is further reached. The utility model mainly applies to I -beam follow -up welding.

This invention belongs to the technical field of pumped storage power station benefit analysis. It discloses a method for analyzing the economic benefits of pumped storage power stations based on diversified market transactions. The method includes: obtaining a structured market time series table, obtaining a detailed report on electricity revenue, obtaining an ancillary service revenue assessment report, obtaining a carbon market revenue report, obtaining a green value revenue analysis report, integrating the detailed report on electricity revenue, the ancillary service revenue assessment report, the carbon market revenue report, and the green value revenue analysis report, allocating the power station's public costs, obtaining a multi-market revenue and cost summary report, obtaining a net benefit sensitivity analysis report, and obtaining a comprehensive power station assessment and decision report, which are then output. Overall, this invention has significant advantages such as comprehensive benefit assessment, high accuracy in calculating net benefits from various markets, and reliable role in power station economic benefit analysis.

This utility model discloses an automatic tool breakage detection device for a machining center, comprising a machining center body. An operation button is located on the left side of the front of the machining center body, and a display panel is located on the right side of the front of the machining center body. A machining groove is formed on the front of the machining center body, and a lifting hydraulic cylinder is located above the inner wall of the machining groove. This utility model, through the cooperation of a movable frame, a forward and reverse motor, a lead screw, and a nut seat, enables the movable frame to follow the position of the drill bit, ensuring that the infrared transmitter and infrared receiver are always in the appropriate position for tool breakage detection. Once the drill bit breaks, the infrared receiver receives an infrared signal, immediately triggering a buzzer alarm and an alarm light, promptly alerting the operator and preventing continued machining with the broken tool. This effectively improves workpiece machining quality, reduces scrap rate, lowers production costs, increases processing efficiency, and ensures smooth production.

The utility model relates to a guider for piling an H-shaped precast pile, which comprises a first pile clamping guide arm and a second pile clamping guide arm which are rotatably mounted on a pile driver and are transversely and oppositely arranged. A first pile clamping installation part and a second pile clamping installation part are arranged at the front end of the first pile clamping guide arm and the front end of the second pile clamping guide arm correspondingly, the first pile clamping guide arm and the first pile clamping installation part are arranged in an L shape, and the second pile clamping guide arm and the second pile clamping installation part are arranged in an L shape. A first pile clamping guide wheel and a second pile clamping guide wheel which are rotationally installed are arranged at the front end of the first pile clamping installation part and the front end of the second pile clamping installation part correspondingly, the axis directions of the first pile clamping guide wheel, the second pile clamping guide wheel, the first pile clamping guide arm and the second pile clamping guide arm are all consistent with the direction F1, and the direction F1 is the length direction of the first pile clamping guide arm. The first pile clamping guide arm and the second pile clamping guide arm are connected with a rotation adjusting assembly for adjusting the first pile clamping guide arm and the second pile clamping guide arm to rotate. According to the technical scheme provided by the utility model, the H-shaped precast pile can be reliably guided, and the piling quality and piling efficiency of the H-shaped precast pile are improved.

The utility model discloses a feeding device for polysaccharide food extraction production, which relates to the technical field of polysaccharide extraction, and comprises a feeding component, when a lifting hopper obliquely moves upwards along with a conveying belt, a guide rail frame plate is in contact with rollers arranged on two sides of the lifting hopper, so that the movement of the lifting hopper can be guided and limited, and the feeding component is used for feeding the polysaccharide food. The lifting hopper keeps a stable track in the moving process, when materials in the lifting hopper are not evenly distributed, the gravity center of the lifting hopper shifts and inclines towards one end, the guide rail frame plates can limit the two ends of the lifting hopper, and therefore the situation that a conveying belt deforms due to the fact that the lifting hopper inclines is avoided; the conveying belt is well protected, meanwhile, scattering of raw materials is avoided, reliable guiding and limiting are provided for lifting the hopper, it is ensured that the hopper stably runs in the conveying process, scattering of polysaccharide food raw materials caused by shaking of the hopper is avoided, the stability of material conveying is improved, and raw material waste is reduced.

This invention discloses a combined SSR and SNP marker system for grass carp parentage identification and its application, belonging to the field of aquatic animal breeding technology. The marker system includes 11 pairs of highly polymorphic SSR primers and 2 pairs of specific SNP primers; the base sequences of the 11 pairs of highly polymorphic SSR primers are shown in SEQ ID NO:1-22; the base sequences of the 2 pairs of specific SNP primers are shown in SEQ ID NO:23-26; and a grass carp parentage identification kit and method are also provided. This invention combines the high polymorphism of SSR markers with the stability and ease of genotyping of SNP markers to form a grass carp parentage identification system that can be used for grass carp parentage identification and breeding, with high accuracy, economic efficiency, controllable cost, support for co-culture in the same pond, and improved accuracy of genetic assessment.

The present application relates to the field of shielding of high-frequency connectors, and in particular to a connector housing and a connector. The present application improves the existing connector housing, and a reinforcing structure is arranged on the grid bars surrounding the grid holes in the plug-in direction, which improves the structural strength of the grid bars without affecting the plug-in, and further improves the structural strength of the entire plug-in end plate, and the impact resistance is improved, and the plug-in end plate is not easy to deform due to the impact force during the plug-in process, and the reliable guiding effect and the protection effect on the plug-in end behind it can be improved.

The utility model belongs to the technical field of material conveying, and relates to a stock bin assembly and a feeder applying the stock bin assembly, which comprises a base, a driver assembly is arranged on one side of the base, a plate spring assembly is arranged on the other side of the base, the driver assembly drives the plate spring assembly to vibrate, a feeding assembly is arranged on the plate spring assembly, and the feeding assembly is arranged on the base. A feed port of the feeding assembly is provided with the stock bin assembly. The stock bin assembly comprises an activation stock bin, a plurality of air discs are evenly distributed in an inner cavity of the activation stock bin, during working, materials enter the activation stock bin, air pipes of the air discs are ventilated, and the air discs vibrate while ventilating towards the materials, so that the materials are loosened. According to the utility model, the air discs are arranged on the material grooves of the material bin assembly, so that the problems of unsmooth flow, bridging or retention of materials in the activation material bin can be effectively solved, and the material flow can be effectively promoted and the production efficiency can be improved through the high-frequency vibration and air blowing action generated by the symmetrically and uniformly distributed air discs.

This application relates to a dual-station sliding upper die holder for a forging hydraulic press, belonging to the field of die installation and rapid die change technology for forging hydraulic presses. It includes an upper die holder body fixed to the output end of the hydraulic press, a sliding assembly slidably mounted on the upper die holder body, an upper die core assembly mounted on the sliding assembly, and a drive assembly for driving the sliding assembly to slide. The upper die core assembly includes a first upper die core and a second upper die core arranged side-by-side with the first upper die core. The upper die holder body has an internal mounting groove for mounting the sliding assembly. The sliding assembly includes a slide rail disposed within the mounting groove, a sliding seat that slides with the slide rail and mounts the first upper die core, and a mounting plate disposed on the sliding seat and mounts the second upper die core. The drive assembly includes an external servo cylinder and a transmission component disposed between the output end of the servo cylinder and the sliding seat. This application improves the die change efficiency of the upper die holder of the forging hydraulic press.

This invention discloses an intelligent sawing production line applicable to both long and short aluminum bars, relating to the field of aluminum bar sawing technology. It includes a sawing table and a support frame. The sawing table is disposed on one side of the support frame, with a clamping component fixedly connected to its upper surface. A sawing machine is mounted on the upper surface of the sawing table. Conveying rollers are equidistantly rotatably connected to the upper end of the support frame. The invention also includes an aluminum bar sawing lifting mechanism and an aluminum bar sawing limiting mechanism. The aluminum bar sawing lifting mechanism includes equidistantly arranged lifting plates, with the lifting plates and conveying rollers alternately distributed. A horizontal plate is disposed below the lifting plates, which can smoothly lift and separate the aluminum bars from the upper end of the conveying rollers, ensuring that the aluminum bars are not disturbed by the rolling motion of the conveying rollers during sawing. This guarantees the stability and accuracy of the sawing positioning, effectively blocks the rolling interference of the conveying rollers, eliminates the micro-vibrations caused by unstable support during sawing, and thus ensures the perpendicularity and surface smoothness of the sawn surface, improving product quality.

This invention relates to the field of wastewater treatment technology, and discloses a method and system for processing water treatment efficiency data in recirculating aquaculture systems (RAS). The method includes: assessing the influence of trace element parameters in standard water quality data of the RAS area on the RAS area, and converting them into influence weights corresponding to the trace element parameters; adjusting the influence weights based on the synergistic and antagonistic reactions between trace elements in the standard water quality data to obtain optimized influence weights; merging the trace element parameters and optimized influence weights into a comprehensive water treatment efficiency index for the RAS area; determining that the RAS area is in an inefficient operating state when the comprehensive water treatment efficiency index is lower than the lower limit of the historical threshold range; and selecting water quality adjustment strategies corresponding to the inefficient operating state from a preset water quality adjustment strategy library. This invention can improve the efficiency of RAS water treatment efficiency data processing.

The application discloses a controllable source electromagnetic three-dimensional forward method and system suitable for complex medium, and specifically comprises the following steps: constructing a three-dimensional geoelectric model based on an octree grid; based on the three-dimensional geoelectric model, using a vector finite element method to derive a finite element linear equation group of a controllable source electromagnetic field; for the hanging edge and the hanging surface existing in the octree grid, ensuring the tangential continuity of the electric field through a constraint matrix to optimize the finite element linear equation group; solving the optimized finite element linear equation group to obtain three-dimensional electric field values; and using an MPI-OpenMP hybrid parallel computing strategy to perform parallel solving on the finite element linear equation groups of multiple frequency points. The application can solve the electromagnetic response calculation problem of multiple physical parameters in the underground, fully considers the influence of different physical parameters in the controllable source electromagnetic forward simulation process, can avoid the influence of different parameters, provides more reliable guidance for field observation system design, and also lays a foundation for multi-parameter inversion imaging.

The present application relates to the field of exploration survey, disclose a kind of rock sampling pose calculation method for field geological reconnaissance robot, comprising: the color image and depth image of target area are collected by depth camera, and three-dimensional point cloud is generated;Based on multi-scale geometric feature analysis, combined with spatial distribution constraint and confidence score, candidate points are automatically screened from point cloud, and stable sampling points and their pixel coordinates are output by time sequence smoothing and stability discrimination;Local depth data is extracted in the neighborhood of sampling point and converted into local point cloud, and the three-dimensional position and surface normal vector of the point in camera coordinate system are calculated using plane fitting algorithm;The position and normal vector are converted to the base coordinate system of mechanical arm using the pre-calibrated hand-eye conversion matrix, and the complete pose of the end effector is constructed based on the normal vector, and the target pose matrix is obtained by combination.The present application realizes the stable, accurate and automatic calculation of rock sampling point pose in complex outdoor environment.

This invention discloses a multi-stage drilling trajectory stabilizer, comprising an outer casing and an electric cylinder. An mounting cylinder is fixedly installed on the top of the outer casing, and an auxiliary stabilizing sleeve is fixedly installed inside the mounting cylinder. Two sliding grooves are formed inside the outer casing, and sliding rods are slidably installed inside each of the two sliding grooves. An extension connecting rod is threaded to the top of each sliding rod, and a connecting sleeve is fixedly installed on the top of each sliding rod. The invention employs a dual stabilizing structure with the auxiliary and main stabilizing sleeves working in tandem, guiding and constraining the drill rod during the drilling and deep hole machining stages respectively. This fundamentally ensures a straight drilling trajectory and precise hole positioning, significantly improving drilling accuracy and hole shape quality. The main stabilizing sleeve can move downwards in real time with the drilling depth, and a connector extends into the hole for auxiliary positioning, effectively solving the problems of drill rod wobbling and deflection during deep hole machining, reducing the risk of drill rod vibration and breakage, and extending the service life of the drill rod.

The application discloses a power plant peak shaving and climbing operation guidance system and an operation optimization method based on digital twinning, which comprises a high-fidelity full-digital twinning model module, a hybrid modeling method combining a mechanism model and a data-driven model is used to construct a digital twinning body covering the whole process of a power plant from coal entering the plant to power generation and grid connection, and the digital twinning body comprises sub-models of a boiler, a steam turbine, a generator and main auxiliary systems; a global rolling optimization engine module is used to receive a power plant operation target instruction, adopt a rolling time domain optimization strategy, and solve an optimal set value sequence of a full-plant adjustable actuator in a future preset prediction time domain; optimal set value sequences obtained by the global rolling optimization engine module are set as guidance values based on the optimal set value sequences, and are issued to a DCS for execution by the DCS or reference by operation personnel; and a data communication module is used to realize data interaction between different modules.