254 results about "Current technology" patented technology

The invention discloses an unmanned aerial vehicle full-coverage path planning method fusing a greedy strategy and an A star algorithm. The method belongs to the technical field of full-coverage path planning, and comprises the following operation steps: firstly, initializing a map and obstacles, and defining a marker quantity; secondly, evaluating attributes of surrounding points, and selecting a next point by using a greedy strategy; then, judging whether a dead zone is entered or not, and if so, re-planning a path to get rid of the dead zone by using an A star algorithm; if not, continuing to perform the greedy strategy to find the next advancing point; then, the coverage completion condition is checked, and whether each point is covered or not is checked; and finally, verifying the effectiveness of the full-coverage traversal algorithm in a three-dimensional environment. According to the invention, the problems of low efficiency, low coverage rate, high repetition rate, limitation in a complex environment and the like when the current technology is used for full-coverage traversal inspection, detection and cleaning of chemical industrial parks and coal mines and agricultural plant protection are solved.

The invention discloses a high-voltage switch cabinet fault monitoring and early warning system and method, and relates to the technical field of high-voltage switch cabinet fault monitoring. Comprising a detection acquisition module, a temperature monitoring module, a live monitoring module, a fault analysis module and an early warning execution module. In order to solve the problems of multiple challenges, insufficient data acquisition precision and comprehensiveness, lack of prediction capability for fault development trend and inaccurate fault abnormity judgment in the prior art, the invention utilizes the technical means of normalization processing, Fourier transform, correlation analysis and the like to accurately evaluate the monitoring data, so that the accuracy of the data acquisition is improved. Comprehensive judgment is performed in combination with multiple indexes, so that the problem of insufficient fault feature extraction and anomaly judgment capabilities in a traditional method is effectively solved; space positioning, time synchronization and correlation calculation technologies are introduced through the fault analysis module, abnormal points are locked quickly, and the change trend of potential risks is predicted in combination with trend analysis, so that the hidden danger identification and positioning efficiency of the system is improved.

The invention provides a curved surface detection method and device for an ergonomic chair back and a storage medium, and relates to the technical field of irregular surface detection. Comprising the following steps that S1, a plurality of detection units abutting against the curved surface of the chair back are provided, and each detection unit outputs pressure according to the height of the curved surface; s2, the multiple detection units are adjusted to be in a standard state, and in the standard state, each detection unit abuts against the curved surface of the standard chair back; s3, enabling the plurality of detection units to abut against the curved surface of the chair back to be detected so as to output and upload pressure; and S4, processing the uploaded pressure, and judging whether the curved surface of the to-be-detected chair back is qualified or not. According to the application, the plurality of local pressures of the curved surface of the chair back are detected in combination with the plurality of detection units, the curved surface bending shape of the chair back can be accurately detected and whether the curved surface of the chair back is qualified or not can be judged by analyzing and processing the plurality of local pressures, and the technical deficiency in the aspect at present is made up.

The invention discloses a distributed resource sensing fusion method and device, a medium, equipment and a product in the technical field of distributed computing, and aims to solve the problems of limited sensing range, relatively weak sensing capability and relatively poor fusion in the prior art. The method comprises the following steps: carrying out resource modeling according to computing resources, storage resources and communication resources of network heterogeneous computing equipment to obtain a resource model; according to the basic attributes of the network separable tasks, the dependency relationship between the tasks and the execution constraint of the tasks, performing task modeling by using a directed acyclic graph to obtain a task model; dynamically sensing and adjusting the use state of the resources in the resource model by adopting a bottom-up clustering fusion method; and according to task requirements in the task model and the use states of the resources, dynamically sensing in a task execution process by adopting a local multi-hop fusion method, and fusing the sensed resources. According to the method, the problems of information fragmentation and redundancy in scattered resources are solved, and the task processing efficiency is improved.

A control display method is provided. The method includes: (S11) starting a first APP, and determining a first control of the first APP based on a first display parameter of the first APP; (S12) displaying a first display interface of the first APP, and displaying the first control in a first floating window on the first display interface; (S13) determining, based on a second display parameter of the first APP, a third control corresponding to the first APP; and (S14) displaying the third control in a second floating window on the first display interface of the first APP. Compared with the current technology, more controls may be provided in this method, so that operations that need to be performed by a user to display a control required by the user are reduced.

The current technology involves a process of determining the likelihood of a received electronic communication to a first user being malicious by a content inspection service. If the communication is deemed suspicious, it will be directed to a generative artificial intelligence (AI) tool for engagement. All subsequent communications in the same thread will also be directed to the AI tool unless the first user explicitly requests control over the thread. The AI tool will then respond to the suspicious communication while posing as the first user, but without revealing any confidential information. This process helps to prevent potential attacks by remvoing the thread of malicious communications.

The invention, which belongs to the technical field of fault detection, discloses a fault distance measurement and fault positioning system for a distributed power line, comprising a line signal state analysis module, a line signal adjustment module, a line communication interference determination module and a line fault distance measurement and positioning result output module. According to the method, the accuracy of the input signal is judged by analyzing the characteristics of the abnormal signal, so that the signal is adjusted, the accuracy of the input signal of the ranging and positioning system is improved, the problem that the accuracy of the input signal is neglected in the prior art is effectively solved, the system can accurately and quickly carry out ranging and positioning on a fault, and the working efficiency is improved. Losses caused by wrong positioning faults are reduced, and power supply reliability and stability are improved.

Techniques are described herein that are capable of generating a mitigation workflow for a computing service using historical mitigation workflows. A determination is made that a historical technical issue that was encountered by a first computing service corresponds to a current technical issue that is encountered by a second computing service. A workflow, which is configured to mitigate the current technical issue, is generated to include historical mitigation operations that are included in historical mitigation workflows that were performed to mitigate the historical technical issue based at least in part on the historical technical issue corresponding to the current technical issue.

Embodiments of this application provide a network slice selection method, a device, and a system, to resolve a problem in a current technology after a terminal device moves out of a service area of a network slice. A method embodiment includes determining, by a mobility management network element, a first network slice information about a first network slice and a second network slice information about a second network slice, the second network slice having a mapping relationship with the first network slice; and sending, by the mobility management network element, a mapping information between the first network slice and the second network slice, the mobility management network element sending the mapping information to an access network device.

The invention relates to the technical field of strip mine drilling rock debris, aims at solving the problems that in the prior art, the labor intensity is high when rock debris is manually collected, and the collected rock debris is easily blown away by strong wind, and particularly relates to a strip mine drilling rock debris collecting and shaping device which comprises a collecting device and a shaping device connected with the collecting device. The collecting device comprises a positioning shaft, an annular cover, a spatial position adjusting mechanism, a collecting mechanism and an extruding mechanism; the spatial position adjusting mechanism is used for adjusting the position of the positioning shaft to connect the positioning shaft with the blast hole; the positioning shaft is fixedly connected with an annular cover, the annular cover and the positioning shaft jointly form a chip containing cavity with the top end closed and the bottom end provided with an opening, and an extrusion mechanism connected with the positioning shaft is arranged in the chip containing cavity. The collecting mechanism is rotatably connected to the positioning shaft; the shaping device comprises a mounting plate, a pressurizing assembly, a stirring assembly and a spraying assembly; the pressurizing assembly, the stirring assembly and the spraying assembly are fixedly mounted on the mounting plate; the pressurizing assembly is connected with the stirring assembly which is connected with the spraying assembly.

The invention discloses a steam turbine rotor center adjusting method, relates to the technical field of steam turbine transformation, and aims to solve the technical problems that in the prior art, the adjusting process is complex and prone to making mistakes, the adjusting precision of a shaft system rotor is difficult to guarantee, and a steam turbine is difficult to operate stably. According to the method, all the components are comprehensively and carefully checked before adjustment, when the adjustment amount of the bearing bush and the gasket is calculated, the adjustment numerical value can be accurately determined according to the similar triangle principle and a reasonable formula, and especially when the center of the shaft system is adjusted for the second time, the number of the adjustment bushes is reduced and the adjustment amount is accurately calculated according to the special situation after cylinder buckling. According to the method, the adjustment accuracy is greatly improved, the shafting rotor can efficiently reach the qualified range, good cooperation of all parts of the steam turbine is ensured, and therefore the operation stability and reliability of the steam turbine are improved, the service life of equipment is prolonged, and the equipment failure risk is reduced.

The invention discloses a molten steel inclusion control method and related equipment, and relates to the technical field of continuous casting, and the method comprises the steps that steel grade information of casting steel is obtained; and the steel grade corresponding to the steel grade information is cast, pulse current is applied to molten steel, and a casting blank is obtained. The inclusions in the molten steel are regulated and controlled through the pulse current technology, the large-size inclusions can be effectively removed, the small-size inclusions are refined, the cleanliness of the molten steel is improved, and the mechanical property of a cold-rolled product can be improved.

The utility model belongs to the field of laser application, and relates to beam shaping of a laser, in particular to a small-divergence-angle laser based on a beam shaping technology. The problems that in the prior art for laser diode collimation, astigmatism of the diode cannot be calibrated through single-lens collimation, and cost is increased due to the fact that fast axis collimation and slow axis collimation need to customize a fast axis collimating lens with a proper focal length are solved. The utility model discloses a small-divergence-angle laser based on a beam shaping technology. A first collimating lens, a fast-axis beam shrinking device and a beam expander are sequentially arranged on an emergent light path of a first laser diode; the light emitting point of the first laser diode is located at the focal point of the first collimating lens, the fast axis beam shrinking device comprises a first cylindrical lens and a second cylindrical lens, and the focal points of the first cylindrical lens and the second cylindrical lens coincide. According to the utility model, the divergence angle of the laser diode is reduced to 0.1 mrad, so that the diameter of a light spot at 500m is less than 100mm, and the actual light spot observed in an experiment is 80mm.

A computer-implemented method for upgrading and / or updating at least one service on a computer-implemented system, configured to: a. deploy at least one update version of the at least one service which needs to be updated or be upgraded on the system while maintaining the current version of the service on the system,; b. deploy and operate a monitoring module for protocolling communications among the plurality of services and for analysing dependencies among applications of the services with respect to their running times; c. determine process states of each at least one service which are suitable for updating and / or upgrading the service; d. disable the control of the current version of the service within the current technical application at a time slot of the identified time slots; and e. enable the control of the deployed update version of the service within the current technical application.

The invention provides a hotspot technology mining method and system based on scientific and technological literature data, and relates to the technical field of scientific and technological information mining, and the method comprises the steps: firstly obtaining a scientific and technological literature data set containing papers and patent literatures, and constructing a current technical element network through technical phrase extraction and semantic normalization processing; dividing the technical element network segment into a time-serialized technical element network segment set according to time slices, calculating nodes and edge time sequence importance indexes to judge an emerging technical cluster, carrying out dynamic graph representation learning and future associated edge prediction on the set, generating a potential technical combination prediction set, and evaluating the potential technical combination prediction set; and finally, generating an emerging technology theme list and a technology fusion direction list in combination with an emerging technology cluster node growth trend and a prediction association edge evaluation result, thereby improving the accuracy, comprehensiveness and foresight of hotspot technology mining.

The invention relates to a three-dimensional visual synthesis system based on heterogeneous collaboration and screen alignment fusion, which is characterized in that a master control system generates complete viewpoint configuration information of a current scene acquired by an image acquisition device, and the complete viewpoint configuration information is used as a single data source and is simultaneously distributed to a graphic processing unit and a neural rendering coprocessor of the master control system; synchronous starting and parallel execution of the two heterogeneous rendering pipelines are achieved. And in combination with a subsequent screen alignment fusion mechanism, an end-to-end collaboration framework with low delay, low coupling and high coordination is constructed, and the key problem of real-time integration of high-fidelity contents is effectively solved. On the premise of not depending on a traditional deep buffer area or geometric alignment, high-fidelity visual content generated by special hardware acceleration and a dynamic environment of a main control system are efficiently fused, and complex effects such as lightweight asynchronous communication and real-time shadow are supported. Therefore, multiple bottlenecks in the aspects of real-time performance, compatibility and engineering deployment in the prior art are broken through.

The invention discloses an equipment critical short-circuit ratio calculation method for a large-scale new energy grid-connected system, which is used for solving the technical problem that the equipment critical short-circuit ratio of the large-scale new energy grid-connected system is difficult to solve through an analysis mode in the prior art. The method comprises the following steps: acquiring alternating-current power grid data of the large-scale new energy grid-connected system and critical state data of each grid-following converter; constructing a small signal model of the large-scale new energy grid-connected system according to the AC power grid data and the critical state data, and constructing an equivalent isomorphic small signal model according to the small signal model; and solving the generalized short-circuit ratio of the equivalent isomorphic small signal model when the real part of the dominant pole is zero, and taking the generalized short-circuit ratio as the equipment critical short-circuit ratio when the large-scale new energy grid-connected system is in a critical stable state, thereby successfully solving the equipment critical short-circuit ratio of the large-scale new energy grid-connected system through an analysis mode.

The invention provides a permanent magnet generator fault monitoring method and device, electronic equipment and a storage medium, and relates to the technical field of motor fault detection, and the method comprises the steps: obtaining the historical operation data of a target permanent magnet generator; according to the historical operation data, establishing a motor model of the target permanent magnet generator in each working condition state; determining time domain features and frequency domain features of the target permanent magnet generator in each working condition state based on the motor model; and performing fault monitoring on the target permanent magnet generator based on the time domain feature and the frequency domain feature. Therefore, compared with the prior art that data acquisition is carried out through installation of a sensor, high-frequency voltage is injected through an inverter, then corresponding high-frequency inductance is calculated, and then identification analysis of specific harmonic waves is completed, the scheme in the invention can realize continuous monitoring and diagnosis, fault occurrence can be effectively prevented, and the fault diagnosis accuracy is improved. The dependence on sensors and monitoring conditions is small, and the operation efficiency and economic benefits of the whole wind power plant can be remarkably improved.

The invention discloses a water flow test method and system based on an electromagnetic flowmeter, and relates to the technical field of automatic control, and the method comprises the following steps: obtaining historical impedance data of an electrode, and carrying out data analysis to obtain electrode conductivity fluctuation data; analyzing the water quality of the to-be-detected area, establishing a water quality conductivity characteristic model, and correcting the conductivity fluctuation data of the electrode; acquiring electrode pollution characteristics, and dynamically predicting the water quality pollution level of the to-be-detected area in combination with the corrected electrode conductivity fluctuation data; according to a pollution level prediction result, obtaining the influence intensity of pollution on an electrode signal, and dynamically adjusting the excitation frequency and amplitude; through the method based on electrode conductivity fluctuation data correction, water quality pollution level dynamic prediction and excitation frequency and amplitude self-adaptive adjustment, the problem that in the prior art, the measurement precision of an electromagnetic flowmeter is reduced in a complex water quality environment is solved.

The invention discloses a large model collaboration method and system based on an attention mechanism, and the method comprises the steps: setting a multi-dimensional label for each piece of obtained data, and obtaining the target features of the data through a mapping space; establishing an attention mechanism based on the target features, so that the attention mechanism divides data processing weights according to categories and types of the data; the differentiable decision tree generates an attention weight matrix according to the data processing weight; and the attention weight matrix performs data processing on the data distribution target data model by using Nash bargaining. According to the method, the information interaction and cooperation process between the large models is optimized, the performance of the cooperation system in various complex tasks is improved, computing resource consumption and reasoning delay are reduced, the blank of the current technology in the field is filled, and the increasing actual application requirement is met.

The present invention discloses a decentralized resource perception and fusion method, apparatus, medium, equipment and product in the field of decentralized computing technology, aiming to solve the problems of limited perception range, weak perception capability and poor fusion of current technologies. The method comprises: performing resource modeling based on the computing resources, storage resources and communication resources of network heterogeneous computing devices to obtain a resource model; performing task modeling using a directed acyclic graph based on the basic attributes of network separable tasks, the dependencies between tasks and the execution constraints of tasks to obtain a task model; adopting a bottom-up clustering fusion method to dynamically perceive and adjust the usage status of resources in the resource model; adopting a local multi-hop fusion method to dynamically perceive during the task execution process based on the task requirements in the task model and the usage status of the resources, and to fuse the perceived resources. The present invention solves the problems of information fragmentation and redundancy in decentralized resources and improves the processing efficiency of tasks.

At present, in the prior art, a mechanical type cannot accurately control temperature, but a semiconductor type needs to dissipate heat, the service life of a semiconductor power tube is influenced by long-time overheating, and a temperature adjusting mode of an existing electric food warmer is fixed increment and decrement each time, so that contradiction is generated between rapid adjustment and accurate adjustment. According to the electric food warmer, the temperature controller in a mechanical mode and the thermal power execution device are connected in series to play a role in double-insurance overheating protection, meanwhile, semiconductor and relay dual-mode control is added, the maximum current with the maximum power is distributed to the relay, the power burden of a semiconductor power tube is reduced, and the service life of the electric food warmer is prolonged. And the multi-level automatic increment change of the knob and the temperature increase and decrease amount switching of the knob are realized.

The invention discloses a high-yield and low-carbon-deposition regulation and control method and system for a continuous regenerative catalytic reforming reaction. The method comprises the following steps: at the beginning, setting a weighted average inlet temperature for the four-in-one reforming reactor and setting an inlet temperature of each bed layer; measuring the content of naphthenic hydrocarbon in naphtha to be added at the beginning, and setting the initial average pressure of the four-in-one reforming reactor according to the content of naphthenic hydrocarbon in naphtha to be added; naphtha is added into the four-in-one reforming reactor for a reaction; in the reaction process, the weighted average inlet temperature of the four-in-one reforming reactor, the inlet temperature of each bed layer, the catalyst circulation rate and the average pressure are regulated and controlled in real time; and ending the experiment. The method breaks through the critical path of the current technical bottleneck, and has important significance for improving the product selectivity of the continuous regeneration catalytic reforming process, reducing the energy consumption and prolonging the service life of the catalyst.

The invention relates to an eye control instrument and a preparation method thereof, and belongs to the technical field of eye protection equipment. According to the eye control instrument, the middle-frequency micro-current technology is combined with the hot compress function, the eye microenvironment is accurately adjusted, eyestrain is relieved, and eye axis growth is controlled. The device structurally comprises a host, an eye protection instrument and a connecting line, the host is used for controlling equipment starting, closing and mode selection, the eye protection instrument comprises a shell, a cover body and a physiotherapy mechanism, and the physiotherapy mechanism is fixed between the shell and the cover body and electrically connected with the host. The preparation method comprises the steps of electrode machining, insulation sleeve injection molding, eyeshade forming, heating piece machining, shell and cover body forming and the like, and high performance, safety and comfort of equipment are ensured. The system is suitable for myopia prevention and control and eye health management, and has a remarkable clinical effect.

The utility model relates to a food quality detection device which comprises a first path, a second path and a third path, and an object to be detected passes through the first path, the second path and the third path in sequence; the first path is provided with a detection part, and the second path is in linkage fit with the detection part and forms releasing or resetting. Through cooperation of the three paths, after the packaging bags are scanned and detected, the unqualified packaging bags can fall off from the middle of the conveying line, and the qualified packaging bags are directly conveyed to the tail end of the conveying line, so that automatic sorting of the qualified packaging bags and the unqualified packaging bags is completed; compared with the prior art, the detection efficiency can be effectively improved.

The present invention discloses an oil-immersed transformer oil guide device, which relates to the technical field of oil-immersed transformer heat dissipation. The oil-immersed transformer oil guide device includes an oil guide plate, three mounting components, and an oil channel. The oil guide plate is provided with three holes at equal intervals. The mounting components penetrate the holes and are clamped to the oil guide plate. All mounting components are clamped between the coils of the oil-immersed transformer winding, and the oil guide plate is parallel to the coils. The oil guide plate is provided with oil channels along the radial direction. The oil channels include a main oil channel and an auxiliary oil channel. The head end of the auxiliary oil channel is connected to the main oil channel near the center of the oil guide plate, and the end end of the auxiliary oil channel is connected to the main oil channel away from the center of the oil guide plate. The current technology mainly solves the technical problem that the oil flow velocity in the oil-immersed transformer is limited to a lower speed to avoid the accumulation of charge on the surface of the insulating medium, but the slow oil flow velocity makes it difficult for the oil in some areas to flow, thereby reducing the heat dissipation effect of the oil-immersed transformer.

The utility model belongs to the technical field of pivot devices, and particularly relates to a pivot device which comprises two bases, an arc-shaped installation piece and a torsion assembly, the two bases are symmetrically arranged, the arc-shaped installation piece is arranged between the two bases, installation spaces are formed in the sides, close to each other, of the two bases, and the torsion assembly is arranged in the installation spaces. First rails are arranged in the mounting spaces of the two bases, each base comprises a mounting plate, a stop block and a half body, a linkage rod and a torsion providing piece are matched to apply torsion to an arc-shaped mounting piece, and torsion assemblies are symmetrically arranged on the two sides of the arc-shaped mounting piece, so that the torsion borne by the arc-shaped mounting piece is equal; and the structural stability of the pivot device during overall rotation is improved. In addition, the base, the arc-shaped mounting piece and the torsion assembly are simple in structure, so that the whole pivot device is easier to assemble compared with the prior art.

The utility model relates to the technical field of optical precision injection molds, and discloses an efficient optical precision injection mold temperature control system which comprises a rectifier and a power line. The direct-current positive and negative rotation solid-state relay is electrically connected to Peltier temperature control equipment through a power line, a heat dissipation device is arranged on the top of the Peltier temperature control equipment, a fixed mold core is arranged outside the Peltier temperature control equipment, and an insert is arranged on the upper portion of the fixed mold core; and one end of the ventilation pipeline is fixedly connected to the output end of the air blower. According to the utility model, the direct current rectified by the rectifier is introduced into the electric copper sheet through the direct current positive and negative rotation solid-state relay, so that the problem of non-uniform product shrinkage due to limited heat transfer performance of water and oil in the prior art and scheme such as water and oil circulation temperature control is solved.

The present invention relates to the field of geotechnical experiments, and particularly to a device for vibrating and crushing tests on completely weathered granite soil masses. The device includes a bottom foundation box, and the bottom foundation box is square; an oscillation load providing spring is arranged on the power shaft of the oscillation load providing device, and above the oscillation load providing spring is an oscillation load providing plate; by pulling and pushing the slider in and out, the position of the oscillation load providing device can be adjusted; it also includes a vertical load applying device that can provide a pressure load to the material bearing box, the vertical load applying device is arranged downward and extends with a load bearing plate, and the load bearing plate can extrude the materials in the material bearing box; by using this patent, two types of loads can be achieved simultaneously, there is a spring during oscillation, and it can be fixed during extrusion, solving the problems of the current technology.

The invention relates to the technical field of ship equipment, discloses an off-line large-model intelligent bidirectional translation system oriented to navigation communication guarantee, and aims to solve the problem that navigation communication among different languages depends on networking requirements of translation software or depends on subjective judgment of accompanying translators in the prior art. According to the technical scheme, the communication content is extracted and translated by using the pre-established model, the subjectivity of manual translation is avoided, networking is not needed, and communication among different languages is realized. According to the invention, the effective voice is extracted, so that the influence of environmental noise is reduced; the voice is converted into the text, communication content can be visually displayed, and information omission is avoided. And the translation unit loaded with the text matching model integrated with the special term of the marine communication can translate special words and sentences in the marine communication, so that the translation accuracy is improved. And the audio recording unit and the storage unit can store communication contents and translation contents, so that subsequent redisk is facilitated.