25results about How to "Improve switching efficiency" patented technology

This application provides a converter circuit and a control method for the converter circuit. The converter circuit provided in this application includes a converter module and a control module. The control module is used to detect the voltage parameters of the converter module and determine the voltage deviation based on the voltage parameters; determine the current zero-sequence component coefficient based on the voltage deviation; and determine the modulation waveform based on the current zero-sequence component coefficient, so as to drive the converter module using the modulation waveform. The converter circuit of this application associates the current zero-sequence component coefficient with the voltage parameters. When voltage changes are caused by system startup, shutdown, load abrupt changes, etc., only the current zero-sequence component coefficient is adjusted to quickly and smoothly switch between SVPWM and DPWM under these conditions, improving system switching efficiency and dynamic response capability.

The application relates to the computer technical field and discloses a management permission switching method and device, electronic equipment and a storage medium, the method is: in response to a permission switching request triggered by an authorized object based on a first sub-application in an interactive application, obtaining identity authentication information of the authorized object and identification information of an information collection device, then sending permission switching prompt information to a target object selected by the authorized object, and after obtaining confirmation information of the target object, realizing switching of management permission of the information collection device from the authorized object to the target object. In this way, the permission switching server completes switching of the management permission of the offline payment device by means of the sub-application running in the interactive application, and by means of the identity authentication information used by the object in the interactive application, the object participating in the interaction does not need to be authenticated in the permission switching process, the information processing time is greatly saved, and the permission switching process is simplified.

The utility model relates to the field of injection molding machine discloses a kind of double-injection structure of automatic translation switching, including fixed mould plate and bearing platform, two injection platforms are arranged in parallel on bearing platform, and two injection platforms are each guided and slippage on bearing platform along injection direction, bearing platform is guided and slippage on body along perpendicular to injection platform injection direction, the movement of injection platform is controlled to whole shift oil cylinder, the movement of bearing platform is controlled to translation oil cylinder, positioning module for realizing accurate positioning when injection platform switching is arranged between body, bearing platform, fixed mould plate and injection platform, positioning module includes translation limiting block being arranged on the both sides of bearing platform on body, on-off structure being connectable or disconnectable between the piston rod end of whole shift oil cylinder and fixed mould plate and whole shift limiting block being arranged on bearing platform and limiting the maximum stroke of injection platform retreat, the double-injection structure can be automatically and accurately switched in subsequent after completing initial debugging, time-saving and labor-saving.

The invention discloses an all-optomagnetic turnover magnetic film as well as a preparation method and application thereof. The all-optical magnetic turnover magnetic film comprises a Ta layer, a first Pt layer, a Co layer, a Ru layer, a Gd layer and a second Pt layer which are sequentially stacked on the surface of a substrate, wherein the thickness of the Ru layer is 0.8 nm, 1.3 nm or 1.5 nm. The preparation method of the all-optical magnetic flipping magnetic film comprises the following steps: sequentially depositing a Ta layer, a first Pt layer, a Co layer, a Ru layer, a Gd layer and a second Pt layer on the surface of a substrate by adopting ultrahigh vacuum direct current magnetron sputtering to obtain the all-optical magnetic flipping magnetic film. The all-optical magnetic flipping magnetic film has the advantages of high switching efficiency, low switching energy, wide energy window, easiness in regulation and control, stability in repeated writing and the like, can be applied to the fields of high-density ultrafast magnetic storage, information processing and the like, and is suitable for large-scale application.

The scheme relates to a handover method, system and electronic equipment of a base station cell, comprising: a base station detecting communication state information of a terminal device and a first cell in the base station, and acquiring communication service information of all relay transition ends; if the communication state information is communication interruption, determining a target relay transition end according to the communication service information of all relay transition ends; sending a communication reestablishment instruction to the target relay transition end, and the target relay transition end receiving and analyzing the communication reestablishment instruction, so that the target relay transition end establishes a communication connection with the terminal device, and the target relay transition end establishes a communication connection with a second cell and / or a third cell in the base station. The embodiment of the application can improve the utilization rate of network resources and the efficiency of cell handover, and can be widely applied in the field of communication technology.

The utility model discloses a nuclear power station large -scale component switching device, including platform, two material racks, the both sides of platform are equipped with support frame, the top of platform is equipped with horizontal slide rail, is installed with two horizontal slide plates on horizontal slide rail, and each horizontal slide plate is driven to remove by a set of horizontal movement drive mechanism, each horizontal slide plate is installed with horizontal slide rail respectively, is installed with a plurality of longitudinal slide blocks on horizontal slide rail, and the upper end of corresponding material rack is fixedly connected with longitudinal slide block, and the lower extreme of material rack is equipped with the supporting plate, and material rack removes on horizontal slide rail by longitudinal movement drive mechanism drive. The utility model discloses a nuclear power station large -scale component switching device, and horizontal, longitudinal movement drive mechanism cooperation slide rail slider structure realizes material rack accurate positioning and nimble removal, and the component switching efficiency is improved greatly.

This invention provides an antenna and electronic device. The antenna includes at least two antenna groups mounted on a metal floor to jointly adjust the antenna radiation field distribution, thereby achieving beam direction switching. Therefore, this invention solves the problem in related antenna structures where it is difficult to achieve circular polarization radiation based on satellite position and switch between different beam directions, thus improving the efficiency of antenna beam direction switching.

The invention provides a dual-system fingerprint service method and device, and is applied to the technical field of fingerprint identification, the dual-system fingerprint service method is applied to a terminal device, the terminal device is provided with a first system and a second system, and the ROOT domain of the terminal device is configured with a fingerprint identification component. The fingerprint identification component is associated with a fingerprint hardware resource of the terminal equipment, and the first system and the second system share the fingerprint identification component; the method comprises the following steps: when a foreground system monitors a fingerprint operation request, the foreground system calls a fingerprint identification component to respond to the fingerprint operation request. The system stability and the system switching efficiency of the terminal equipment can be improved.

The utility model discloses a kind of packing tape production line winding mechanisms, including lifting device and the fixed reel fixed frame with its one side, reel fixed frame is equipped with winding drum, reel fixed frame contains rotating disc, support rod, support frame etc.: rotating disc one side is connected lifting device, the other side fixed center table, center table is fixed with support rod center;Support rod central axis has multiple sliding cavities, sliding cavity is slidably connected with sliding frame;Support rod center is rotatably equipped with rotating shaft rod, rod body is equipped with silk teeth, sliding frame is screwed with rotating shaft rod through silk teeth, rotating shaft rod one end is connected hand wheel and is drawn out support rod, in addition, support rod outer wall is opened along axis and is received slot, slot is embedded with support frame, support frame two ends are connected with two groups of linkage rods, linkage rod is rotatably connected with adjacent sliding frame respectively;Received slot two ends are opened with sliding cavity and are opened with sliding slot hole, linkage rod is movable in sliding slot hole. The mechanism aims to realize the winding function of installation convenient, height adjustment accurate, winding stable.

The embodiment of the application provides a kind of vehicle-mounted instrument system switching method, device, system, vehicle and storage medium, method is applied to vehicle-mounted instrument component, and the preset storage area of the vehicle-mounted instrument component stores the instrument system software package corresponding to several kinds of vehicle types;Method includes: in response to instrument system switching operation, display vehicle type list;Vehicle type list includes several vehicle type identifiers;The target vehicle type identifier is selected in vehicle type list, and the software package corresponding to target vehicle type identifier is acquired from the preset storage area, without the aid of external server to download system software package, directly according to target instrument system software package, switches to target instrument system, easy to operate, improves instrument system switching efficiency.

This invention discloses an intelligent switching device for the co-production of multiple car models on a gate loop line. It includes a four-sided heavy-duty turntable, a fixture platform, a double-layer fixture library, an loading robot, a welding robot, and an unloading robot. The four-sided heavy-duty turntable is fixedly mounted on the ground to the left of the double-layer fixture library. The fixture platforms are positioned on both the turntable and the library and can slide between them. The loading robot is located on the lower left side of the turntable, the unloading robot on the lower right side, and the welding robot above it. One to ten fixture platforms are provided to enable switching production for up to ten car models on the corresponding platforms. This invention features a compact design, high fixture switching efficiency, and the ability to support mixed-line production of ten car models, effectively improving the car production cycle time.

This invention proposes a robot with easily switchable wheeled and legged structures, comprising a main body module and a replaceable module. The main body module includes a body frame and a thigh assembly, with a first joint docking structure at the lower part of the thigh assembly. The replaceable module is either a legged actuator or a wheeled actuator. The legged actuator includes a lower leg assembly and a foot assembly connected to the lower part of the lower leg assembly, with a second joint docking structure at the upper part of the lower leg assembly for joint connection with the first joint docking structure. The wheeled actuator also has a second joint docking structure at the upper part for joint connection with the first joint docking structure. This invention achieves standardized and rapid interchangeability between legged and wheeled actuators by providing a first joint docking structure at the lower part of the thigh assembly and identical second joint docking structures at the upper parts of both the legged and wheeled actuators.

Embodiments of the present application provide a multi-operating system switching method, an electronic device, a storage medium and a program product. A plurality of continuous images collected by a user within a preset time length are acquired by an image collection device, and the plurality of images are identified to determine whether the plurality of images contain a target gesture for operating system switching. If the target gesture is contained, the current operating system is switched to a target operating system corresponding to the target gesture. The present application reduces the complexity caused by the user performing a preset operation on the switching input interface of the terminal through touch to switch the operating system, thereby improving the switching efficiency.

This invention provides a user group handover method and system in low-Earth orbit (LEO) satellite communication. The method includes: acquiring multi-dimensional feature parameters for each user, including service quality-related parameters; grouping all users into groups based on the multi-dimensional feature parameters using a clustering algorithm with service quality decision; selecting the user with the highest service quality score in each group as the group leader; and having each group leader formulate a satellite handover decision for its group based on a reinforcement learning algorithm and the current network state, and then disseminating the satellite handover decision to other users in the group to trigger a unified satellite handover action among group members. This invention enables efficient, fair, and low-overhead group handover for a large number of users in LEO satellite communication networks.

This application relates to a method for switching headphone operating modes, a headphone, a computer-readable storage medium, and a computer program product. Applied to headphones, the headphones include a vent valve and an active noise cancellation module. The method includes: acquiring head posture data; adjusting the operating state of the vent valve and the active noise cancellation module based on the head posture data to switch the current operating mode; wherein the vent valve is used to allow or restrict external ambient sound from entering the ear; the active noise cancellation mode neutralizes the ambient sound through reverse sound waves. Using this method, on the one hand, switching headphone modes does not require physical contact with the headphones or through a mobile device application, greatly simplifying the operation process and improving operational convenience and efficiency. On the other hand, it achieves a balance between noise cancellation and wearing comfort in the headphones.

The embodiment of the present application provides a data transmission method based on master-backup switching, which comprises the following steps: in the case of switching a target backup base station into a target master base station, sending reset request information to a target terminal; in the case of receiving reset completion information from the target terminal, using first communication data, second communication data and an uplink sequence number to perform data transmission on the target terminal for to-be-transmitted data. The method provided by the embodiment of the present application simplifies backup operation, saves resources for backing up the uplink sequence number, realizes fast and efficient backup, thereby further improving the efficiency of master-backup switching, and the data transmission for to-be-transmitted data can be quickly recovered.

The present application relates to a multi-band radio frequency communication signal quality dynamic optimization method and an intelligent water meter. In view of the problem that the risk of water meter communication frequency band interruption is difficult to predict in advance in complex environment, a high sensitivity MEMS accelerometer integrated with a master control chip is used to collect three-dimensional micro-vibration signals of the water meter shell through low sampling rate, combined with time-frequency joint analysis to extract vibration modal characteristics, a graph neural network model is used to associate vibration state with radio frequency channel quality index, and real-time prediction of deterioration risk probability is realized. According to the environmental dynamic disturbance factor, the threshold value is adjusted and determined, combined with the radio frequency index step deterioration monitoring, the intelligent communication frequency band switching and context caching are triggered. The newly added vibration and radio frequency data are used for model adaptive optimization. The scheme can predict the channel interruption risk in advance, effectively improve the communication stability and adaptability of the intelligent water meter.

This invention discloses a data synchronization method and system for multiple data sources, relating to the field of data synchronization technology. The method includes the following steps: performing bandwidth evaluation and topology testing on the data transmission channels between the source and target ends to obtain channel feature data and calculate priority scores, thereby dividing the channel into primary and backup channels; inputting the channel feature data into a long short-term memory network model based on an improved white whale optimization algorithm to obtain feature prediction values ​​and calculate channel health; switching the primary channel to a backup channel when its health is below a threshold; acquiring data to be backfilled, constructing a backfilled directed acyclic graph and inputting it into a graph convolutional network model to output backfilling priority scores and complete data backfilling; performing consistency verification on the target end for the data to be backfilled, storing the data after successful verification; acquiring channel anomaly feature data and transmission parameters, inputting them into a deep deterministic policy gradient model based on entropy regularization to obtain optimal transmission parameters.

The utility model discloses a processing device for winding a flat wire, and belongs to the technical field of copper flat wire processing equipment. A machining device for winding a flat copper wire is used for wrapping the flat copper wire in the machining process of the flat copper wire and comprises a wrapping assembly, a driving assembly and a connecting rod. The connecting rod is provided with a channel in a penetrating mode so that the copper flat wire can penetrate through. The wrapping assembly is indirectly or directly and fixedly arranged on the connecting rod, and the output end of the driving assembly is connected with the connecting rod to drive the connecting rod to rotate and operate, so that the wrapping assembly is driven to synchronously rotate and operate around the periphery of the copper flat wire, and wrapping operation on the periphery of the copper flat wire is achieved; through the arrangement, automatic wrapping operation of the periphery of the copper flat wire can be realized.

The utility model belongs to circuit switch technical field discloses a kind of mechanical holding contactors, including sealed casing, static contact, moving contact, driving mechanism and mechanical holding assembly, mechanical holding assembly is located between driving mechanism and moving contact, driving mechanism can drive mechanical holding assembly from separation holding position switch to suction holding position when moving upward, moving contact and static contact contact suction, or from suction holding position switch to separation holding position, moving contact and static contact separate, after driving mechanism moves downward, mechanical holding assembly is kept in current position.The utility model position switching of mechanical holding assembly is driven and controlled by the movement of driving mechanism, it is beneficial to improve the switching reliability and switching efficiency of mechanical holding assembly, driving mechanism moves downward again after moving contact and static contact stable contact work, mechanical holding assembly is kept in current position, realize the mechanical holding of the state of mechanical holding contactor, with energy-saving and anti-vibration effect, and control mode is simple and reliable.

The invention provides a working mode switching method and device, a vehicle and a storage medium, and the method comprises the steps: responding to the monitored working mode switching information of an automatic driving system in an operation state of the automatic driving system, determining a second working mode to be switched to by a first host in the automatic driving system indicated by the working mode switching information, according to the method, the first host is switched from the current first working mode to the second working mode, and the working modes are switched when the automatic driving system runs, so that restarting of the automatic driving system is avoided, rapid switching of the working modes is realized, and the switching efficiency is improved.

The utility model discloses a kind of furnace door opening and closing device and reaction furnace, it is related to the technical field of semiconductor equipment.The furnace door opening and closing device includes support plate, fixed support, connecting rod assembly, support arm and driving part, support plate is connected with furnace tube and has avoidance mouth, avoidance mouth is configured as exposing furnace mouth.Fixed support is set at the side of support plate away from furnace tube;The first end of support arm is connected with furnace door, the second end is rotatably connected with fixed support, and first rotation pair around first axis is formed.Connecting rod assembly includes at least two rotatably connected connecting rods, the first end of connecting rod assembly is rotatably connected with the second end of support arm, and second rotation pair around second axis is formed.The second end of connecting rod assembly is rotatably connected with fixed support, and third rotation pair around third axis is formed.Driving part drives the second end of connecting rod assembly to rotate, so that connecting rod assembly drives support arm to swing, to utilize furnace door to open and close avoidance mouth, improve the docking precision of furnace door to furnace mouth.

The utility model discloses a kind of material head cutting device of automobile injection molding, including base and bearing seat, the base is equipped with the slide bar for being penetrated bearing seat and with bearing seat constitutes sliding connection, the bottom of bearing seat one end is equipped with cutting mechanism, the surface of base is fixed with guide column, it is connected between the guide column by cutting plate, cutting plate is below cutting mechanism, the top shaft head of guide column is connected with fastening shaft head by screw thread, the utility model adopts manual pressing bearing seat cooperation spring reset driving mode, overall structure is simple and compact, operator only needs to manually press to complete cutting, while metal support column is stably supported to cutting plate, further guarantee the structural stability of cutting process, not only let equipment is small and exquisite, can be flexibly moved to production station nearby, also reduce failure probability and maintenance difficulty, without professional personnel can complete routine maintenance.

This invention discloses a refractory spraying system and method for tundishes. The system includes guide rail modules laid along three tundish workstations, a work machinery unit equipped with a six-degree-of-freedom robotic arm, a lifting drive mechanism, modular work components integrating electrical and pneumatic connection modules, a quick-change material box, and a central control system. The six-degree-of-freedom robotic arm's range of motion can cover the entire area inside the tundish. The work method adopts a three-station continuous operation mode, precisely matching the process time of refractory spraying and drying. It can also switch between high-speed and low-speed spraying modes to adapt to different tundish wall temperatures and is equipped with a standardized construction process. This invention achieves no idle time for the work machinery, improves construction efficiency and spraying quality, eliminates blind spots in construction operations, has a high degree of automation throughout the process, low equipment maintenance costs, strong system versatility, and can adapt to the needs of industrialized batch construction.