17results about How to "Avoid switching" patented technology

This invention relates to the field of building construction technology, specifically a support-free construction process for strip skylights. It utilizes guide rails laid out on the cantilevered slabs of the side beams of the skylight to construct a movable operating platform consisting of a steel truss, transverse support platforms, rollers, guardrails, and steel toe boards. Construction is completed through parameter calculation and prefabrication, guide rail installation and straightening, platform hoisting and debugging, segmented operations, and cyclical machine movement. The invention includes methods for calculating steel truss deflection, single-wheel pressure, anchor spacing, and cantilever slab bearing capacity. A stepped panel design can be used to adapt to transverse slope conditions. This invention eliminates the need for full-span vertical support, freeing up lower space, supporting parallel operations of multiple processes, shortening the construction period, reducing material input, and allowing for the reuse of core components. It is suitable for the construction of narrow, equal-span strip skylights with cantilevered slabs on the side beams.

The invention belongs to the technical field of mobile communication, and particularly relates to a mobile communication terminal network switching method and system, and the method comprises the steps: collecting multi-dimensional network parameters and terminal state parameters; judging the working mode of the terminal and dynamically distributing parameter weights; pre-judging a source network state through a machine learning model, and screening a target network; establishing a pre-connection channel, and executing differentiated seamless switching; generating a feedback result, inhibiting ping-pong switching and optimizing the model; and multi-terminal collaborative switching is supported. The system comprises functional modules on a terminal side and an optional cloud auxiliary module. Core logic of multi-dimensional decision making, active pre-judgment and seamless switching language feedback optimization is adopted, switching precision, real-time performance and low power consumption are achieved, switching delay is smaller than or equal to 50 ms, the ping-pong switching occurrence rate is reduced by more than 80%, hardware does not need to be newly added, and the method is suitable for various mobile communication terminals and application scenes.

The present disclosure relates to a battery system, a control method, a controller, a vehicle, a medium and a program product, the battery system comprising a battery management module and a plurality of battery cell management modules, the battery management module and each battery cell management module communicating through any one of a wireless communication link and a wired communication link, and the plurality of battery cell management modules sharing the wired communication link, the control method comprising: determining a communication state indicating whether the wired communication link is faulty when the battery management module communicates with each battery cell management module through the wired communication link; determining a fault position of the wired communication link when the communication state indicates that the wired communication link is faulty; and controlling the wired communication link and the wireless communication link to switch according to the fault position. Thus, automatic switching of the wired communication link and the wireless communication link can be achieved, thereby improving the reliability and dynamic adaptability of the battery system.

The utility model relates to a wear-resistant and pressure-resistant performance testing device for a conductive rubber strip, and the device comprises a clamping assembly which comprises a pedestal, a first clamping plate, and a second clamping plate; the testing assembly is mounted on one side of the clamping assembly; the testing assembly comprises a supporting seat, a transfer plate, a friction head, a pressing plate and a reciprocating push-pull device; the reciprocating push-pull device is connected with the transfer plate so as to drive the transfer plate to do reciprocating linear motion on the supporting base. The wear-resistant and pressure-resistant performance testing device for the conductive rubber strip is simple in structure and convenient to use, when the transfer plate is used for reciprocating linear motion, the friction head repeatedly rubs a sample located on the first clamping plate, the pressing plate repeatedly extrudes a sample located on the second clamping plate, a wear-resistant test and a pressure-resistant test are integrated, the two tests can be carried out at the same time, and the test efficiency is improved. The links of equipment switching and repeated installation and debugging are avoided, and the test time is greatly shortened. In addition, an enterprise only needs to purchase one piece of equipment to meet the wear-resistant and pressure-resistant test requirements, so that the equipment purchase cost is reduced.

This invention provides a molding die for an automotive roof, comprising a fixed mold, a moving mold, a middle mold, and an injection molding system. The fixed mold has a first molding groove and an injection rib groove, with shearing surfaces at its edges. The moving mold has a second molding groove and punching surfaces at its edges. The middle mold is located between the fixed and moving molds, and is provided with shearing blades matching the shearing surfaces and sharp blades matching the punching surfaces at intervals. The injection molding system connects to the injection rib grooves. During mold closing, the first and second molding grooves form a composite cavity to complete the composite molding of the substrate and the fabric, as well as the injection molding of the ribs. Simultaneously, the moving mold pushes the middle mold to move, the sharp blades and punching surfaces cooperate to punch the edges of the fabric, and the shearing blades and shearing surfaces cooperate to cut the edges of the substrate. This invention integrates molding, injection, composite molding, and cutting processes into a single mold, significantly reducing mold switching, improving production efficiency and cutting accuracy, and lowering production costs.

The application discloses a high-speed rare thin flow field prediction method and system based on a mask self-encoder, and belongs to the technical field of cross hyper-sonic aerodynamics and artificial intelligence. The application mainly comprises the following steps: constructing a cross-flow multi-scale flow field database; constructing and pre-training a multi-scale mask self-encoder model, forcing the model to learn to reconstruct the full-field flow field from sparse information through a random mask strategy; introducing a physical information constraint to fine-tune the model, wherein the physical information constraint comprises a Chapman-Enskog distribution function constraint, a moment equation conservation residual and a wall Maxwell slip boundary condition; introducing a Knudsen number self-adaptive reasoning mechanism to automatically adjust the feature weight through a gate network; and using the trained model to predict the flow field. The application realizes cross-flow unified rapid prediction covering a wide Knudsen number range, guarantees the prediction accuracy, significantly improves the calculation efficiency, and has good physical consistency and generalization ability.

The invention discloses a probabilistic life prediction method and device for a high-temperature rotating component, and relates to the technical field of life reliability analysis, and the method comprises the steps: building a finite element model of the high-temperature rotating component, and determining at least one group of working condition parameters of the high-temperature rotating component and the cycle index corresponding to each group of working condition parameters; the working condition parameters comprise strain amplitude and load holding time; based on a finite element model, according to all the working condition parameters of the high-temperature rotating part and the cycle index corresponding to each group of working condition parameters, adopting a probability life prediction model to obtain the crack initiation reliability of the high-temperature rotating part; the probabilistic life prediction model is a unified constitutive-damage-statistical model which is subjected to parameter calibration in advance according to a constant-amplitude fatigue and creep-fatigue test result; and determining the fatigue and creep-fatigue probability life of the high-temperature rotating part according to the crack initiation reliability. According to the method, the fatigue and creep-fatigue probability life of the high-temperature rotating part under the constant-amplitude and variable-amplitude load can be quickly and accurately predicted.

The invention provides a high-precision clock synchronization method, and relates to the technical field of clock synchronization, and the method comprises the steps: S1, collecting the historical data of a constant-temperature crystal oscillator; s2, using the constant temperature crystal oscillator data to train a BP neural network to obtain a BP neural network frequency prediction model; s3, the BDS receiver and the GPS receiver are used for receiving the corresponding satellite clock information and resolving the satellite clock information, timestamps of the BDS and the GPS are obtained, and a source clock is determined; s4, determining standard time; s5, when communication interruption occurs in the BDS and the GPS and the constant-temperature crystal oscillator enters a punctuality state, performing frequency adjustment according to the obtained prediction frequency, then converting the virtual prediction timestamp into prediction time, and taking the prediction time as standard time; s6, sending the standard time information to the base station in a message form; and S7, the base station sends the standard clock information to a local device, and the local device performs clock correction synchronization according to the standard time. The method has the beneficial effects that the stability can be improved while the synchronization accuracy is improved.

The utility model relates to the field of automobile design and manufacturing technology, concretely is a kind of automobile bumper spraying frock, including first branch leg, and the inner wall of one of fixed sleeve is rotatably connected with first screw rod, and the other end of first screw rod is fixedly connected with rotating rod, and the outer wall of rotating rod is equipped with movable sleeve, and the surface of movable sleeve is fixedly connected with second branch leg.Compared with prior art, by setting fixed sleeve, first screw rod, second screw rod, movable sleeve, rotating rod, threaded block, rotating assembly, limiting assembly and fixed assembly, by rotating carousel, so that second screw rod drives first screw rod to rotate by rotating rod, so that threaded block moves towards or opposite, then by adjusting fixed assembly and limiting assembly, so that the tooth slot on limiting plate is separated from gear, then by rotating assembly, two support rods are adjusted, it is very convenient to use, and the technical problem of stepless adjustment of support rod can be realized without punching.

The embodiment of the invention provides a communication method applied to a hardware virtualization system. According to the system, two partitions for operating a first operating system and a second operating system respectively are isolated through a virtual machine monitoring program, and a first equipment file for a user program of the first operating system to access is created based on a shared memory. The method comprises the following steps: mapping the shared memory to an address space of a user program through the equipment file, so that the user program can directly read data written into the shared memory by the second operating system, or directly write the data and notify the second operating system to read the data. According to the scheme, intervention of a kernel of the first operating system is avoided, and data copying and context switching between a kernel mode and a user mode are eliminated, so that communication delay is remarkably reduced, throughput is improved, and efficient communication among different operating systems is realized.

The present application relates to a kind of shell joint assembling machine, including first double carousel structure and control system, the circumferential side of the first double carousel structure is sequentially provided with joint feeding device, joint orientation device, first detection station, primary oiling, sealing ring feeding and taking device, second detection station, safety ring feeding device, third detection station, secondary oiling, clasp spring feeding device, finished product detection station, air tightness detection device and automatic packaging system, wherein the joint feeding device includes two groups of feeding components that are all general passageways for multiple joints and are distributed in parallel, and a spacing space is left between the two groups of feeding components, and the outer end of each group of feeding components is provided with a cutting component that is cut away in the direction of spacing space. The shell joint assembling machine has the advantages of strong versatility, low cost, small space occupation, high work efficiency and good assembly stability.

The utility model discloses a feed bin for feeding and discharging of automation equipment, which comprises a flange, a bottom plate and an adjusting block, the bottom plate is provided with a clearance groove, and the clearance groove is used for ascending or descending of a bottom jacking mechanism during feeding and discharging; containing grooves are formed in the corners of the bottom plate, and a first flange and a second flange which extend towards the centers of the containing grooves and are symmetrically arranged are arranged on the two sides of each containing groove; one end of the flange is detachably connected with the bottom plate; adjusting grooves and fixing grooves are formed in the adjusting block in pairs, the adjusting grooves are symmetrically formed in the two sides of the fixing grooves, and the positions of the fixing grooves formed in pairs correspond to the first blocking edge and the second blocking edge respectively. The jacking device has the beneficial effects that the jacking device can adapt to receding jacking of different devices, and meanwhile scratching between a product and a supporting column is avoided; the stock bin is a copper foil corner cutting stock bin, and adapts to copper foils with different sizes by adjusting the positions of the adjusting blocks and the blocking edges.

The present application relates to the technical field of graphite screening and beneficiation, and particularly relates to a multi-target coordinated graphite content dynamic trajectory grading and beneficiation method, which uniformly delivers graphite ore to a uniform conveying device to form single-particle discrete distribution; collects multi-modal image data of the ore, eliminates specular reflection through polarization differential reflection suppression, corrects spectral distortion through laser radar auxiliary dust spectrum compensation, and obtains a pretreated full-surface spectral image; extracts multi-dimensional features and cross-modal fusion through a multi-scale feature fusion graph neural network, outputs fixed carbon content, grade level and graphite type information, and allocates a unique ID; correlates grade and spatial information, fuses a physical model and a deep learning prediction trajectory, combines multi-target tracking and grade priority coordination strategy to complete accurate separation; and evaluates the effect in real time, dynamically adjusts system parameters using a multi-target deep deterministic policy gradient algorithm, and forms a closed-loop control. The present application can improve the efficiency, precision and stability of graphite separation.

The application discloses a method, device and equipment for implementing inter-access switching of multiple accesses, the method comprising: determining that an access network switching condition is met, measuring signal quality of multiple networks to be accessed; performing switching to a first target network meeting a switching requirement according to the signal quality measurement result; before successfully accessing the first target network, if a second target network meeting the switching requirement is measured, access to the second target network is prohibited or the second target network is accessed and access to the first target network is stopped. Through the technical scheme provided by the application, switching to multiple target networks can be avoided in a scenario supporting multiple network type accesses.

The utility model relates to a double-pump series control system of a cleaning vehicle, and belongs to the technical field of cleaning equipment. The system comprises a water source, a water pipe, a first water pump, a second water pump, a first cleaning module, a second cleaning module and a pneumatic three-way valve. The first water pump and the second water pump are provided with water inlets and water outlets respectively, the water inlets are connected to a water source, and the water outlets are connected to a water pipe. The first cleaning module and the second cleaning module are connected to the two ends of the water pipe correspondingly. The pneumatic three-way valve is connected to the water pipe and located between a water outlet of the first water pump and a water outlet of the second water pump. The system further comprises a control panel in a cab, and the control panel is electrically connected with the pneumatic three-way valve. A pressure sensor is arranged on the water pipe; a pressure release valve is arranged in the system, when the pressure exceeds a threshold value, an independent mode is automatically switched back, and pipeline damage is avoided. The double pumps are connected in series for control, the cleaning pressure is flexibly adjusted, the cleaning efficiency is improved, meanwhile, the safety protection function is achieved, and the service life of equipment is prolonged.

This invention belongs to the field of climate big data and artificial intelligence technology, and discloses a climate digital twin and dynamic optimization system based on adaptive edge and cloud collaboration. The system includes: an edge adaptive fusion module: performing weighted Kalman fusion on grouped collected edge data; a multi-resolution spatiotemporal graph neural network: constructing a graph according to resolution levels of grid nodes, and performing cross-layer graph attention and temporal convolution in parallel; an online Bayesian error correction closed-loop module: this module calculates the system error, calculates the Kalman gain, and updates the parameters to achieve correction closed loop; a hierarchical federated learning and model pruning network: edge nodes train sub-model gradients locally, and use differential privacy and pruning techniques to process uploaded data, aggregating and pruning the information uploaded by each edge node in the cloud; and a multi-objective dynamic optimization module: achieving multi-objective dynamic optimization based on a joint objective. This invention achieves advantages such as robust fusion of multi-source observations, cross-resolution spatiotemporal modeling, and online correction closed loop.

The application discloses a card issuing mechanism and an automatic card issuing machine, and belongs to the technical field of card issuing machines. The card issuing mechanism comprises a base, a card box, a card scraping mechanism and a card reading and writing head. The base is formed with a card outlet channel. The card box is located above the card outlet channel, and the bottom of the card box is provided with a card box channel. The card box channel is communicated with the card outlet channel. The card scraping mechanism is slidably installed on the base and located in the card outlet channel. When the card scraping mechanism is at a first position, it is located below the card box channel. When the card scraping mechanism slides out from the first position, a card is scraped out from the card box. The card reading and writing head is aligned with the card outlet channel at the inlet. When the card scraping mechanism carries the card and slides to a second position, the card at least partially extends into the card reading and writing head. The card scraping driving mechanism is connected with the card scraping mechanism and used for driving the card scraping mechanism to move along the card outlet channel from the first position to the second position. According to the card issuing mechanism, the card scraping mechanism directly transports the card in the card box to the card reading and writing head along the card outlet channel, the switching of the mechanism is avoided, the risk of mechanism jamming is reduced, and the failure rate is low.