23results about How to "Implement adaptive switching" patented technology

A pipeline application strength test device relates to the technical field of pipeline structural strength test, and comprises a test box, the test box is a horizontally arranged square box, and the test box is internally provided with a conveying transfer assembly, an appearance detection assembly, a bending pressure test assembly and an air tightness detection assembly; each transverse side end face of the test box is provided with a square feeding and discharging port, and the size of the feeding and discharging port is larger than the outer diameter of the test pipeline. The problems that when detection equipment in the prior art is used for testing the performance strength of a pipeline, appearance detection is not comprehensive, a bending pressure testing part is inconvenient to adjust, the pipeline is inconvenient to transfer in the continuous testing process, the testing sequence is not reasonable, and consequently detection errors are caused, and airtightness testing operation is inconvenient are solved.

The invention discloses a voltage calibrating device of an insulation resistance meter, which comprises a measuring range switching module, an amplification module, a time delay module, an acquisition module and a control module, and is characterized in that the measuring range switching module is electrically connected with a to-be-calibrated insulation resistance meter, the control module and the amplification module, and the time delay module is electrically connected with the amplification module, the control module and the acquisition module; the acquisition module is electrically connected with the control module; the measuring range switching module is used for switching a measuring range according to a measuring range switching signal so as to output a divided voltage corresponding to the switched measuring range to the amplification module, and the time delay module is used for delaying the amplification signal for a preset time length according to a time delay control signal during measuring range switching and then transmitting the delayed amplification signal to the acquisition module; the control module is used for determining a to-be-calibrated measuring range matched with the collected voltage signal and outputting a corresponding measuring range switching signal and a corresponding delay control signal. According to the invention, the problem of voltage jump during range switching is effectively solved, the verification precision and stability are improved, and manual operation for range switching is not needed.

This invention belongs to the field of robot control, and particularly relates to a mobile robot path optimization system and method supporting track mode switching. The system uses an encoding module to integrate the mobile robot's operating scenario and real-time load status to generate a navigation task seed containing a path cost vector, navigation strategy identifier, and scenario transition point parameters. The central scheduler dynamically selects and calls the corresponding track navigation strategy sub-model or flat ground navigation strategy sub-model based on this navigation task seed. Combined with a spatiotemporal reservation table based on continuous value reservation weights to achieve multi-vehicle conflict avoidance and resource scheduling, executable trajectory control instructions are generated. This invention achieves load-adaptive path planning, efficient multi-vehicle collaboration, and smooth, seamless navigation switching between track and flat ground scenarios ensured by a switching prediction sub-model, significantly improving operational efficiency and system reliability in mixed and complex environments.

This invention discloses a fault handling method and apparatus based on main and distribution network coordination, belonging to the field of power system automation technology. The method includes: using a graph neural network to perform topology identification and fault location of the power grid, generating fault impact features; based on the spatial range and electrical connection relationships of the fault impact features, obtaining the switches at both ends of the faulty section of the power grid, and performing fault isolation through remote control tripping; analyzing the fault isolation information using topology impact analysis; and, combined with changes in the current topology of the power grid, generating a power grid protection strategy migration mechanism and initiating a fault recovery process to restore power supply. This invention achieves dynamic modeling of the power grid topology and accurate identification of faulty sections by using a graph neural network to embed the power grid graph and combining multi-channel time series information to generate node potential state vectors, thus improving the real-time performance and accuracy of fault location.

This invention discloses an automotive suspension assembly device, belonging to the field of automotive parts processing technology. It includes two bases, each with a support frame vertically mounted on its upper surface. Both support frames share a lifting mechanism. A vertical telescopic rod is vertically fixed to the side wall of one of the support frames. A horizontal telescopic rod is horizontally fixed to the output end of the vertical telescopic rod, and a partition is horizontally fixed to the output end of the horizontal telescopic rod. Two parallel first guide grooves are symmetrically formed on the top wall of the partition. During the lowering stage of the suspension parts, the V-shaped guide groove (wider at the top and narrower at the bottom) cooperates with the first ball bearings to create a "rolling friction" state between the edge of the heavy part and the slope, eliminating the risk of scratching the part surface and overcoming the technical pain point of traditional assembly requiring manual forceful pushing and pulling for positioning. Simultaneously, it achieves non-destructive and precise centering guidance of heavy parts towards the center baseline, improving positioning accuracy and operational efficiency in the initial assembly stage.

The invention discloses a cross-scene humanoid robot control method and related equipment, and the method comprises the steps: carrying out the analysis of obtained multi-modal perception data, and determining visual data; analyzing the visual data, and determining a target scene type; performing feature extraction on the multi-modal perception data, determining multi-modal feature data, and performing feature fusion according to a multi-modal feature model to obtain a global feature map; classifying according to the global feature map, and determining a semantic segmentation map; performing calculation according to the target scene type, the multi-modal sensing data and a preset weight set, and determining a degree-of-freedom weight set; performing hierarchical reinforcement learning according to the global feature map, the semantic segmentation map and the degree-of-freedom weight set to obtain a target joint control instruction; and controlling the robot according to the target joint control instruction. The embodiment of the invention can improve the control precision and the control stability. The method can be widely applied to the technical field of robot control.

The utility model discloses a high level bridge wind resistance noise reduction louver screen relates to high level bridge screen structure field, including steel structure frame, multiple rotatable windproof sound insulation flabellums are equipped with on steel structure frame along the height direction equidistance, two connecting rods are symmetrically equipped on multiple windproof sound insulation flabellums, two connecting rods are all hinged with multiple windproof sound insulation flabellums, and the top of steel structure frame is equipped with wind power drive arrangement, and wind power drive arrangement is connected with the top of two connecting rods all, and can drive connecting rod and move up, and the bottom of connecting rod is equipped with reset device, can utilize the angle regulation of wind power direct drive windproof sound insulation flabellum, realizes the automatic switching of low -speed noise reduction and high -speed wind resistance, and has reliability and environmental adaptability simultaneously, thereby solves the problem that existing fixed type wind screen needs manual regulation blade angle, and the effect of sealing noise reduction is not good, and the problem of response lag.

The invention discloses a self-adaptive switching control method and system for a driving mode of a pure electric bus, and belongs to the technical field of new energy pure electric buses. A whole vehicle controller obtains dynamic characteristic parameters of a driver and dynamic characteristic parameters of a vehicle in a current driving environment through a sensing mechanism; according to the dynamic characteristic parameters of the driver and the dynamic characteristic parameters of the vehicle, the current driving environment of the vehicle is judged, and a corresponding driving mode instruction is sent to an execution mechanism according to the driving environment; and the execution mechanism obtains the driving mode instruction and controls the corresponding parameters to meet the parameter conditions corresponding to the driving modes, so that the self-adaptive switching of the driving modes is realized. Various factors such as the driving environment, the driver behavior and the vehicle working condition are fused, the optimal driving mode switching strategy is comprehensively formulated and judged, and self-adaptive switching of the driving modes such as motion, economy, standard and mountain road is achieved, so that the driver behavior and the current driving environment are more comprehensively and accurately adapted.

The application discloses a rape field operation path planning method and system based on computer vision, relates to the technical field of agricultural machine vision navigation, and comprises the following steps: dividing a semantic region of a field according to an operation bird's-eye image and stage control parameters, performing stage assignment on the semantic region of the field according to the stage control parameters, calculating semantic passing cost, geometric passing cost and operation damage cost of the assigned semantic region of the field, fusing the three types of cost through the stage control parameters to generate a fused cost map, extracting a low-cost continuous region from the fused cost map, fitting a path center line along an extension direction of the low-cost continuous region to generate a candidate operation path, screening out a high-damage path segment in the candidate operation path according to the fused cost map, and supplementing a broken path segment to generate a target operation path; and the application reduces crop crushing damage and improves field operation path stability.

This invention provides a helium extraction device for separating flash vapor from liquefied natural gas, comprising a support platform; the top of the support platform is equipped with a membrane separation unit, a catalytic dehydrogenation unit, a water removal unit, an adsorption unit, and a low-temperature purification unit; the catalytic dehydrogenation unit is connected to the membrane separation unit and the water removal unit on both sides respectively; the water removal unit is connected to the adsorption unit through a first connecting pipe, and the adsorption unit is connected to the low-temperature purification unit through a second connecting pipe; the catalytic dehydrogenation unit is used to convert hydrogen in the flash vapor into water vapor; the water removal unit includes a cylinder fixed to the top of the support platform, a condenser cylinder is disposed inside the cylinder, and a scraper ring is fitted onto the condenser cylinder, with the scraper ring connected to a lifting mechanism; the scraper ring consists of a first scraper and a second scraper, with the first and second scraper rings connected to an adjustment component. The lifting mechanism and the openable scraper ring structure can scrape down water droplets and water films adhering to the inner wall of the condenser cylinder, solving the problems of incomplete drainage and water droplets adhering to the condenser cylinder.

The application discloses a kind of two-way audio signal arbitration and adaptive output system and method, belong to digital conference system audio processing technical field, the normal operation of double redundancy structure is guaranteed by data acquisition module, the state information that first audio source and second audio source emit is carried out data processing by arbitration decision module, and current output signal channel information fed back by state feedback module is received by arbitration decision module, the current audio source corresponding to the current output signal channel information of the audio source that needs to be output obtained is compared, audio output switching signal is obtained, to ensure that no audio output state appears, improve the accuracy and reliability of audio output;In addition, the audio signal corresponding to the audio stream data emitted by first audio source and second audio source is selectively output by using adaptive output module, to ensure that the output audio signal does not exist mixing state, ensures conference tone, and realizes audio signal adaptive switching.

The invention discloses a cluster networking method based on an unmanned aerial vehicle task networking database. The cluster networking method specifically comprises the steps of performing stage division of various types of tasks based on task scenes; constructing a basic task scene networking database based on historical experiences; based on the divided task stages, performing similarity search with task scenes in a networking database; and carrying out consistent networking strategy transfer on the cluster based on a networking database similarity search result. According to the method, historical task stages are classified and analyzed through machine learning based on the constructed task scene networking database, reusable experience is formed, a new task directly calls a verified optimization strategy through scene matching, and particularly, when a large-scale unmanned aerial vehicle cluster executes a dynamic multi-stage task, the task efficiency is greatly improved. The optimal networking strategy matched with the current task scene can be quickly, adaptively, consistently and reliably selected and switched, so that the overall collaborative efficiency and robustness of the cluster in a complex task environment are improved.

The invention discloses a photovoltaic array adaptive global maximum power point tracking method and system. The method comprises the following steps: solving global maximum power point reference voltage and global maximum power point reference power output by a photovoltaic array based on current environment data by adopting a two-stage nested multi-strategy particle swarm algorithm; judging whether a preset accurate control switching condition is met or not according to the output power of the photovoltaic array and the global maximum power point reference power; if a precise control switching condition is met, switching to a self-adaptive super-spiral sliding mode control mode, otherwise, maintaining a PI control mode; driving a power switch tube in the DC-DC converter to act by using a PI control mode or a self-adaptive super-spiral sliding mode control mode; according to the method, reference parameters are solved through the two-stage nested multi-strategy optimization particle swarm optimization algorithm, a dual-mode switching mechanism of PI control and self-adaptive super-spiral sliding mode control is matched, accurate and rapid tracking of the global maximum power point in a complex environment is achieved, and steady-state power fluctuation is effectively restrained.

The invention discloses a power system transient time domain simulation switching method and system for adaptively analyzing and calculating a scene, and a storage medium. The method comprises the following steps: constructing an electromagnetic transient simulation system consistent with an electromechanical transient simulation system; respectively adopting an electromagnetic transient simulation system and an electromechanical transient simulation system to synchronously carry out electromagnetic transient simulation and electromechanical transient simulation considering the electromagnetic transient process of the simulation object until a preset time period passes after the fault is recovered; according to the simulation results of the electromagnetic transient simulation and the electromechanical transient simulation which are synchronously carried out, calculating a characteristic quantity for identifying whether the electromechanical transient simulation result is credible or not; and inputting the characteristic quantity into an offline pre-generated classifier, if an output result of the classifier is credible, continuing to adopt the electromechanical transient simulation and terminating the electromagnetic transient simulation at the same time, otherwise, switching to the electromagnetic transient simulation, carrying out a subsequent simulation process, and terminating the electromechanical transient simulation at the same time. The scene can be adaptively analyzed and calculated, and simulation is adaptively switched according to conditions.

The application provides a distortion and perceptual code rate adaptive variable code rate depth image compression method, encoder model construction is carried out, including dividing the image to be encoded into image blocks of different granularities, extracting hierarchical features, and obtaining non-repeated hierarchical features by filtering using an image mask; hierarchical vector quantization codebooks are used to quantize the hierarchical features, discrete index representations are generated, and code stream files are encoded; decoder model construction, including decoding the code stream files into discrete index representations, recovering the hierarchical features through the hierarchical vector quantization codebooks, fusing and decoding using a hybrid conditional decoder, and generating a reconstructed image; the encoder model, the decoder model and the hierarchical vector quantization codebook are jointly trained; the input image is encoded into a code stream file through the trained encoder model, and the code stream file is decoded into a reconstructed image through the trained decoder model. The application can realize fine bit rate control and adaptive switching between perceptual and distortion optimization.

The application discloses a kind of titanium pipe processing's full-automatic cutting chamfer production line, comprising: machine base shell, controller, chamfer mechanism, handling mechanism, cutting system, pipe conveyor and workpiece collection system;Controller is fixedly installed in the left front of the upper surface of the machine base shell;Chamfer mechanism is set in the top right rear of the machine base shell;Handling mechanism is set in the top of the machine base shell, and located in the front of chamfer mechanism;Workpiece collection system is installed in the right side upper side of the outer surface of the machine base shell.The titanium pipe processing's full-automatic cutting chamfer production line, using integrated full-automatic integrated processing technology, improve the degree of automation and continuous production efficiency of integrated production line, and can realize chamfer processing angle, processing position, processing radius Multidimensional self-adapting accurate adjustment, and can realize the accurate fine adjustment of pipe diameter adaptation radius and the full circumferential machining operation of pipe end.

This invention relates to the field of ground source heat pump drilling technology, and particularly to an auxiliary device for ground source heat pump drilling, comprising a rigid support unit, an elastic support unit, a conversion unit, and an adjustment unit. Through the coordinated operation of the rigid support unit, elastic support unit, conversion unit, and adjustment unit, this invention achieves adaptive switching of working state and contact area under varying well diameter. In the wide diameter section, the inner and outer sleeves rotate relative to each other, and the main and auxiliary support components jointly contact the well wall to form stable support, effectively avoiding excessive scraping of loose formations that could cause diameter expansion, while also reducing frictional resistance with the well wall. In the narrow diameter section, the conversion unit switches the inner and outer sleeves to a synchronous rotation state, and the adjustment unit drives the auxiliary support component to retract, leaving only the main support component in contact with the well wall and rotating to scrape it, significantly reducing frictional resistance while efficiently removing mud cake and eliminating the risk of blockage.

The invention provides an up-converter and a satellite communication system, relates to the technical field of radio frequency communication, and solves the problem of low adaptation flexibility of a reference clock of the satellite communication system in related technologies. The logic control module is used for controlling the radio frequency switch to switch on a corresponding channel through the logic control module so as to realize detection and adaptation of multiple paths of reference clock signals with different frequencies, so that when a corresponding reference clock signal is accessed, the up-converter can control the radio frequency switch to switch on the corresponding channel through the logic control module, and the phase-locked loop module can output a corresponding local oscillation frequency. And moreover, the reference clock processing module can be used for adaptation during switching of the reference clock signals, so that the up-converter is more flexible to use, and high-flexibility self-adaptive switching of the reference clock signals is realized.

The invention provides a beam mode determination method, device and apparatus, and a storage medium. The method comprises the following steps: a network device determines a beam service level of a first terminal; and determining a beam mode for serving the first terminal based on the beam service level of the first terminal. According to the beam mode determination method, device and apparatus, and the storage medium provided by the present application, the network device determines the beam mode of the serving terminal through the beam service level of the terminal, thereby realizing adaptive switching of the beam mode, and improving the flexibility of beam mode selection.

The invention discloses a distributed power distribution system control method and system, and the method comprises the steps: collecting first output data of a distributed power distribution system, and calculating a first switching function; and if the value of the first switching function exceeds a first critical value when the system is started, tracking the maximum power point by adopting a perturbation and observation method so as to improve the dynamic response speed of the system, and when the system tracks near the maximum power point, switching the system into sliding mode control to realize tracking control of the distributed power generation maximum power point. The invention aims to enhance the robustness, the dynamic response speed and the steady-state precision of system operation, maintain the stability of the direct-current bus voltage, and further improve the overall operation stability of the system. The improved sliding mode control not only improves the stability and reliability of the grid-connected operation of the system, but also realizes the self-adaptive switching of the operation mode and reduces the response time by combining a perturbation and observation method, and can better track and control the output quantity and effectively suppress the fluctuation of the bus voltage, thereby reducing the steady-state error.

The invention belongs to the technical field of unmanned vehicle environment perception and obstacle avoidance, and discloses an unmanned vehicle transparent obstacle visual touch fusion perception and obstacle avoidance method, and the method comprises the steps: carrying out the transparent object edge detection of an image collected by a vehicle-mounted around-view camera through an improved Transform semantic segmentation network, and outputting an initial position coordinate and a credibility score; a tactile verification and enhancement module is built, flexible multi-mode tactile sensors fusing triboelectric sensing and visual tactile sensing are deployed on the edges of a bumper and a hub of the unmanned vehicle, and close tactile features are generated in the non-contact stage; when the visual credibility is relatively high, the visual data is dominated, the tactile data assists correction, and when the visual credibility is relatively low, a tactile signal dominant mode is triggered; and generating and executing an obstacle avoidance path. According to the invention, the detection precision of the unmanned vehicle on transparent obstacles in extreme scenes such as urban roads, indoor venues, rainy days and nights is obviously improved, the collision risk is reduced, and the unmanned vehicle is adapted to complex moving working condition requirements.

This invention discloses a metal gasket with a high-temperature protection mechanism and its processing method, relating to the field of sealing technology. It comprises a gasket body and cover plates covering the top and bottom of the gasket body. Interlocking protection components are arranged at equal angles along the circumference of the gasket body. Each interlocking protection component includes: a displacement drive element made of a unidirectional shape memory alloy; a guide slider, one end of which abuts against the displacement drive element, and the other end extending to the vicinity of the sealing surface of the gasket body; and a breakable protective plate, which is fixedly covered on the outer end face of the guide slider and flush with the overall sealing surface of the gasket. This metal gasket with a high-temperature protection mechanism and its processing method actively generate sealing protrusions under abnormal high-temperature conditions, dynamically compensating for sealing defects, effectively solving the problems of gasket creep relaxation and irreversible seal deterioration under high temperatures, and significantly improving sealing reliability under high-temperature conditions.

A pipeline application strength test device relates to the technical field of pipeline structural strength test, including a test box, which is a horizontally arranged square box, in which a conveying and transfer component, an appearance inspection component, a bending and compression test component and an air tightness inspection component are respectively arranged; each lateral side end face of the test box is respectively provided with a square inlet and outlet, and the size of the inlet and outlet is larger than the outer diameter of the test pipeline. The present invention solves the problems that the detection equipment in the traditional technology is used for pipeline performance strength test, such as incomplete appearance inspection, inconvenient adjustment of the bending and compression test part, inconvenient pipeline transfer during the continuity test, detection error caused by unreasonable test sequence and inconvenient air tightness test operation.