49 results about "High rate" patented technology

The invention provides an electricity-heat-capacity coupling-based reliability evaluation method and device for a multi-level networking energy storage system, and the method comprises the steps: constructing a battery electricity-heat-capacity coupling model which comprises three sub-models, namely an electrical sub-model, a thermal characteristic sub-model and a capacity degradation sub-model, and achieving the dynamic synchronous updating of current, temperature and capacity degradation through the closed-loop coupling of the three sub-models, key parameters are extracted; constructing an inter-battery thermal runaway spreading model, calculating heat transfer through a heat conduction network of a two-dimensional lumped convection model, and simulating a thermal runaway spreading path, rate and capacity decline trend in combination with a joint failure probability model based on a Copula function; the model is embedded into a Monte Carlo simulation framework, and reliability evaluation is carried out by adopting a'monomer-branch-system 'three-level structure. According to the method, the high-magnification working condition simulation precision is improved through dynamic closed-loop updating, physical transmission and probability driving are considered, safety control is enhanced, and a global view angle is provided for system reliability analysis through a multi-level system.

The embodiment of the invention discloses a data processing method and related equipment, which are used for reducing the communication cost and meeting the requirements of high speed and low delay of communication services. The data processing method comprises the following steps: determining the size of a first CB; the first CB is one of C CBs, the C CBs are associated with the first TB, and C is a positive integer; lCP is performed based on the size of the first CB. According to the embodiment of the invention, the granularity of the LCP is adjusted from the size of one TB to the size of one CB, the size of the resource data obtained after the LCP in the TB just corresponds to the size of one CB, it is ensured that the data structure of the MAC subPDU borne in each CB obtained by TB division is complete, and when data decoding is executed on the CB, the decoding condition of the previous received CB is not depended on.

The application discloses a growth method for improving pit defects of a silicon carbide epitaxial wafer, and comprises the following steps: cleaning a silicon carbide substrate and placing the substrate in an epitaxial reaction chamber, introducing hydrogen, and performing high-temperature annealing treatment; increasing the hydrogen flow and the reaction chamber temperature, and performing hydrogen etching; reducing or maintaining the reaction chamber temperature, introducing a carbon source and a silicon source, and growing a buffer layer on the substrate surface; maintaining the gas introduction, increasing the reaction chamber temperature, and growing a gradient layer on the buffer layer; reducing the reaction chamber temperature, simultaneously opening a center gas source and an edge gas source, and growing a base epitaxial layer on the gradient layer; maintaining the reaction chamber temperature, adjusting the edge gas source flow to form a gradient flow, and growing a flat epitaxial layer on the base epitaxial layer. Through the substrate pretreatment-low rate epitaxy-high rate flat epitaxy, combined with the gradient process filling process, the application realizes the step-by-step filling and surface flattening of the pit defects, and effectively reduces the number of Pit defects and the epitaxial thickness uniformity.

The invention discloses a grid structure of a high-magnification lead-acid storage battery and a preparation method of the grid structure. The grid structure consists of a frame, tabs and composite ribs, the thickness of the tab is greater than that of the frame; the thickness of the frame is greater than that of the composite rib; the frame comprises an upper frame, a lower frame and a side frame; the composite ribs comprise short curved surface transverse ribs and long straight surface longitudinal ribs; the tab is located on the edge of one side of the upper frame, the short curved surface transverse ribs and the long straight surface longitudinal ribs are arranged in a brick wall type staggered mode, and the thicknesses of the tab, the frame and the ribs are designed in a gradient mode. Compared with the traditional grid structure, the grid structure disclosed by the invention can effectively reduce the current transmission impedance, obviously improve the discharge performance of the battery and provide a solid guarantee for high-rate charge and discharge application. The preparation method of the grid adopts a double-die step-by-step stamping process, so that the manufacturing process is simplified, and the production efficiency and the product consistency are improved.

Disclosed in the present invention is a positive electrode sheet having high rate capability, long cycle, and high safety for use in a lithium battery, comprising a current collector and a positive electrode material layer located on a surface of the current collector. The positive electrode material layer comprises a first component of at least one selected from Li1-x1Ti1-x1Ax1OPO4, Li1-x1Ti1-x1Ax1PO5, Li2-y1Ti1-y1Ay1OM1O4, and Li2-y1Ti1-y1Ay1M1O5, wherein 0≤x1≤0.7, 0≤y1≤1, A comprises at least one of Nb, Ta, and Sb, and M1 is at least one of Si and Ge. The positive electrode material layer can further comprise a second component. The first component or a mixed component of the first component and the second component in the positive electrode material layer is dispersed between positive electrode active material particles. The lithium battery comprising the positive electrode shows excellent rate capability, cycle performance, and safety. The present invention does not change the main preparation process of the current positive electrode sheet, a separator, and a battery, is compatible with the main preparation process of the positive electrode sheet of an existing lithium ion battery, and is suitable for large-scale application.

A method for very high coding rates for next generation wireless local area network (WLAN) systems involves coding input data at a first coding rate to provide coded data, the coding input data at a first coding rate being based on a second coding rate, wherein the second coding rate is lower than the first coding rate and the second coding rate coding uses low density parity check codes. The method also involves wirelessly transmitting the coded data.

A mixed-item sorting system and a method for sorting the volumetric flow of mixed items of various sizes and shapes to separate destinations includes at least two volumetric flow separators configured to receive a volumetric flow of mixed items and arrange the items into respective first and second single-row flows. A first item inlet arranges the first item flow from one of the separators into a first separate item flow, and a first item sensor detects the identity and weight of each item. A second item inlet arranges the single-row item flow from the other separator into a second separate item flow, and a second item sensor detects the identity and weight of each item in the second single-row flow.A combiner combines the first and second single-row streams of items into a third single-row stream. A classifier receives the mixed third single-row stream of items and sorts the items into separate destinations.

The application discloses a high-security-probability shaping method based on three-dimensional constellation joint shaping, applies a probability shaping (BCPU-PS) scheme based on a bit-level probability updating strategy to a three-dimensional constellation after geometric shaping, realizes probability shaping by modifying the probability distribution of bit positions of a sending end, and avoids coding and calculation complexity introduced by traditional probability shaping technology. The joint shaping technology improves the transmission rate of a signal and improves the bit error rate performance. In addition, in order to prevent the signal from being eavesdropped or tampered with during transmission, the scheme introduces a chaotic encryption technology, uses a key generated by a three-dimensional chaotic system to perform multi-layer encryption on bits, symbols and time domain subcarriers of the sending end, and thus realizes high security, large capacity and high rate signal transmission.

The application discloses a kind of super high speed FPGA chip and data super high speed acquisition processing method.The FPGA chip includes main control module, data processing module, first data transmission module and memory control module;Main control module includes 4 serial interfaces and data rearrangement unit, each serial interface is used to simultaneously receive the super high speed data output by ADC chip, obtains 4 512-bit data blocks, data rearrangement unit is used to decompose the 4 512-bit data blocks received by each serial interface into 256 8-bit data units;Data processing module is used for data processing to each data unit, first data transmission module is used to convert 256 8-bit data units into 320 8-bit data units, and 320 8-bit data units are transmitted to memory control module;Memory control module includes 4 DDR units, for writing, reading and storing 320 8-bit data units.

This invention discloses a method and system for dynamic settlement control of soft soil culvert bridges based on Internet of Things (IoT) monitoring, belonging to the field of IoT monitoring technology. The method includes the following steps: constructing a settlement motion state machine for each settlement monitoring point; constructing a sliding verification window for each settlement monitoring point; calculating the average rate of the window; comparing the average rate of the window with the average rate of the previous window corresponding to the steady state within the settlement motion state machine by a factor of change to determine if it is a false rate; if determined to be a false rate, forcibly setting the settlement motion state machine to a transient state, and outputting the arithmetic average rate of the independent sliding verification window to the early warning control logic to remove the degradation restriction. This invention, by constructing a settlement motion state machine, a sliding verification window, and performing degradation processing, solves the problem in existing technologies where supplementary data is misjudged as instantaneous high rates, leading to unnecessary triggering of load limits or pole drops.

The dual mouth shotgun can may combine the advantages of a standard aluminum beverage can with a second opening to allow for a high rate of air flow and displacement resulting in a high rate of fluid flow from the can. The can may implement a stay-tab mechanism, or any other appropriate mechanism, for ease of use and familiarity, on the standard top opening, and may further implement a stay-tab mechanism, or other appropriate mechanism on the bottom or lower side of the can for shotgunning the fluid in the can. The dual mouth shotgun can may provide a user with a single opening mechanism on its top surface for normal drinking, and a second opening mechanism on its bottom or lower side surface for drinks shotgunning. In one embodiment the can may comprise an upper and a lower body that may be twisted relative to one another to expose an opening in the side of the can that allows for drinks shotgunning. In another embodiment the can may further comprise a pushrod that leverages the second opening open when the first opening is opened. In another embodiment the can may require that the upper and lower bodies must be rotated to align outer and inner holes that then allow the pushrod to push open the second opening.

The application provides a kind of drawing automatic auditing method, device and electronic equipment.The method is by simultaneously sending CAD vector geometric feature tensor G and the process feature tensor P of process card file into multi-head cross attention network, realize the joint modeling of millimeter level geometric precision and natural language process constraint, both can realize the automatic auditing of drawing, improve the problem of low efficiency, high rate of missed judgment of manual auditing drawing, also can completely get rid of the path dependence of traditional OCR and rule base.And adopt the strategy of elastic weight consolidation, only fine-tune network last two layers, continuously absorb user correction instruction, further reduce the rate of missed judgment of the method.

The invention discloses a high-speed low-power-consumption two-step echo cancellation circuit based on a shared delay chain, and belongs to the technical field of high-speed serial interfaces. The circuit comprises a central shared coarse tuning delay chain, a plurality of tap modules sharing the delay chain, a weighting unit and a summing unit, the tap module comprises a fine adjustment delay stage, and multiplexes a transmitter side multiphase clock signal to perform phase fine adjustment; the weighting unit weighs the delay signal replica, and the summing unit subtracts the delay signal replica from the received signal after superposition so as to eliminate the echo. The receiver system adopts a separated subtraction architecture, near-end echoes are eliminated in front of the input end of a continuous time linear equalizer, far-end echoes are eliminated behind the output end of the continuous time linear equalizer, and a digital control logic module is additionally arranged to realize closed-loop adaptive control. Through resource sharing and architecture optimization, the power consumption and the chip area are greatly reduced, wide-range and high-precision echo cancellation is realized, and the method is suitable for a data communication system with 112Gb / s and higher rate.

A vacuum insulating panel includes first and second substrates (e.g., glass substrates), a hermetic edge seal, a pump-out port, and spacers sandwiched between at least the two substrates. The gap between the substrates may be at a pressure less than atmospheric pressure to provide insulating properties. A sensor body (e.g., spinnable magnetic body, which may be substantially spherical in shape) is provided at least partially in a recess defined in at least one of the substrates, and is configured to be spun at a high rate of speed in order to measure a pressure of the recess and / or gap between the substrates.

The utility model provides a positive plate of a high-magnification lead-acid storage battery, and belongs to the technical field of storage batteries. According to the structure, a top frame and a bottom frame are arranged at the top and the bottom of a grid respectively, tabs are arranged on the top frame, supporting legs are arranged on the bottom frame, side frames are arranged on the two sides of the grid, a plurality of transverse ribs which are parallel to one another and are connected with the two side frames are arranged in the grid, and a plurality of main longitudinal ribs which are parallel to one another and are connected with the top frame and the bottom frame are arranged in the grid. A plurality of first auxiliary longitudinal ribs and second auxiliary longitudinal ribs which are parallel to the main longitudinal ribs and extend downwards are arranged on the top frame, and the first auxiliary longitudinal ribs are positioned on the lower sides of the tabs. According to the utility model, the auxiliary longitudinal ribs extending longitudinally are additionally arranged at the top of the grid according to the current distribution characteristics at the tabs, so that the adhesion amount and the adhesion stability of the lead plaster can be ensured; meanwhile, the short ribs are arranged at the top frame and the bottom frame, so that the structural strength is improved; in addition, during assembly, the supporting legs at the bottom can be used for positioning, and the assembly efficiency can be improved.

This disclosure provides for devices, methods, and systems for immobilizing partitions of a partition matrix, where partitions are rapidly generated from a sample, and for immobilizing a set of targets within a matrix, where examples of the matrix are optically clear. Embodiments of methods involve partition generation within a collecting container at a high rate (e.g., of at least 1 million partitions per minute, etc.), each of the partitions including an aqueous mixture. Embodiments of methods also involve stabilizing positions of targets within a matrix within a collecting container and performing reactions within the matrix at a temperature below the melting temperature of the matrix. Upon immobilization, readout of signals from targets within such partitions and / or the matrix can still be achieved in accordance with various assays.

The present application relates to the technical field of oil exploitation, and specifically relates to a high-speed pulse generating device, a valve rod is pushed by a driver and is matched with two valve seats respectively to control drilling fluid to enter or flow out of a main control cavity; the valve rod comprises a plug, a first matching part, a second matching part and a sealing part which are integrally arranged, the plug and the sealing part are matched with a valve seat respectively; the first matching part is matched with the valve seat and keeps T1 time, a main piston moves from a first position to a second position; the second matching part is matched with the valve seat and keeps T1 time, the main piston moves from the first position to a position between the first position and the second position; the driver releases the valve rod, the plug closes one valve seat, the sealing part opens the other valve seat, and keeps T2 time, and the main piston moves to the first position to stop. The present application has the effect of reducing the influence of sundries on the normal work of the pulse generating device.

A method of distributing power sources in an air conditioning system includes determining a load demand of the air conditioning system; determining whether a demand response (DR) event or a time-of-use electricity price (ToU) high rate is occurring; charging an energy storage device to a higher voltage in response to the DR event not occurring or the ToU high rate, the charging being performed at a predefined charging power level during a predefined charging period; in response to the DR event or ToU high rate occurring, an allocation of a power source is determined to meet the load demand and the energy storage device is discharged at a predefined discharge power level and a predefined discharge period until the energy storage device reaches a lower voltage level or the DR event or ToU high rate ends.

The invention relates to a ternary precursor and a preparation method and application thereof.The ternary precursor comprises an inner core and a shell wrapping the surface of the inner core, the length-diameter ratio of primary particles of the inner core is 7-11, the length-diameter ratio of primary particles of the shell is 1.8-4, and the chemical formula of the inner core is 0.8 < = xlt; 1, 0lt; y is less than or equal to 0.1, 0lt; x is less than or equal to 0.1, z is less than or equal to 0.1, w is more than or equal to 0 and less than or equal to 0.01, x + y + z + w = 1, M is a doping element, and 0.3 is less than or equal to alt; 0.6, 0.4 < = blt; 0.7, 0 lt; c is less than or equal to 0.1, d is more than or equal to 0 and less than or equal to 0.01, a + b + c + d is equal to 1, R is a doping element, the volume ratio of the inner core to the shell is 7: 3-19: 1, and the specific surface area of the ternary precursor is 8.5 m < 2 > / g-13.0 m < 2 > / g. According to the ternary precursor, the prepared positive electrode material has the advantages of high energy density, high cycle performance, high cycle stability and high rate performance, the preparation method is simple, the cost is low, the product can be accurately regulated and controlled, and the ternary precursor is suitable for large-scale production.

This disclosure describes systems, methods, and devices related to optimized reliability. A device may determine a basic rate from an ultra-high reliability modulation and coding scheme (UHR-MCS) defined in a parameter set. The device may locate a non-HT reference rate by referencing a predetermined table based on the modulation and coding rate. The device may select a non-HT basic rate as a highest rate in a BSS basic rate parameter that is less than or equal to the non-HT reference rate. The device may map a plurality of new code rates for QPSK, 16-QAM, and 256-QAM to corresponding non-HT reference rates according to a predefined mapping procedure, wherein the device is operable to transmit a response frame to the UHR PPDU with the non-HT or non-HT duplicate PPDU and the rate determined by the non-HT basic rate.

The invention discloses a positive pole piece, a preparation method thereof and a lithium ion battery, and belongs to the technical field of lithium battery materials. According to the invention, the technical contradiction that the improvement of high rate performance and the guarantee of safety performance cannot be considered at the same time in the prior art is solved by accurately regulating and controlling the thickness of the aluminum current collector, the thickness of the prime coat, the mass ratio of the composite system binder to the conductive agent to the binder.

To provide electrolytic manganese dioxide excellent in cell performance in high rate discharge and middle rate discharge when used as a cathode material for alkaline manganese dry cells, and a method for its production.Electrolytic manganese dioxide, characterized in that the average size of mesopores is at least 6.5 nm and at most 10 nm, and the alkali potential is at least 290 mV and at most 350 mV; a method for its production and its application.

The application discloses a control method, device and system of an energy storage system, which is applied to a high-low rate energy storage system. The high-low rate energy storage system comprises a high rate energy storage subsystem and a low rate energy storage subsystem. The energy storage charge-discharge curve of a preset future time period is obtained by predicting the power grid side load curve and the power generation side power generation curve of the preset future time period. Different high-low rate control strategies are adopted for the high-low rate energy storage system to enter a charge-dominant scene or a discharge-dominant scene based on the energy storage charge-discharge curve. The high-low rate energy storage system provided by the application can provide different charge-discharge strategies under different charge-discharge scenes. The short-term peak load can be better coped with through the high rate energy storage subsystem, so that the cycle life of the battery is improved, and the service life of the energy storage system is prolonged.

The present application discloses a recording automatic control method and apparatus, a computer device, and a storage medium. The recording automatic control method comprises: monitoring a video acquired by a camera; respectively performing value analysis processing on image frames, an image sequence, and audio data in a detected video to respectively obtain value scores of the image frames, the image sequence, and the audio data; performing comprehensive calculation on the value scores of the image frames, the value score of the image sequence, and the value score of the audio data to obtain video comprehensive value; if the video comprehensive value exceeds a first preset threshold, automatically controlling the camera to start video recording or perform video recording at a normal rate; and if the video comprehensive value is lower than a second preset threshold, automatically controlling the camera to stop video recording or perform video recording at a high rate. According to the present application, recording can be automatically controlled on the basis of the importance of content to be captured, thereby avoiding capture of content that is not of interest to a user or quickly playing back content that is not of interest to a user.

The invention provides a lithium-sulfur battery shuttle effect inhibition method and system based on deep learning, and belongs to the technical field of lithium-sulfur batteries. The suppression method comprises the steps of S1, collecting real-time charging current, voltage and temperature data and electrolyte light transmittance data, and performing preprocessing; s2, calculating an initial node feature matrix, a first-layer graph feature, an enhanced graph feature and a shuttle effect feature in sequence; s3, calculating shuttling dynamic gain characteristics, extracting shuttling rate characteristics, and predicting a polysulfide shuttling rate; s4, constructing a dynamic compensation decision function, and calculating a first pulse current amplitude; judging whether a strong shuttling active period is entered or not, and triggering a pulse charging mode switching condition; and S5, encoding the pulse charging parameter and the conventional charging parameter into a data packet, and sending the data packet to charging equipment. According to the method, the problem that the battery capacity attenuation acceleration caused by the shuttle loss of the polysulfide cannot be dynamically compensated under the working conditions of high sulfur loading capacity and high-rate charging by a traditional method can be solved.

The utility model provides a high-magnification lead-acid storage battery packaging structure, and belongs to the technical field of storage batteries. According to the structure, a grating is arranged on a shell, a long hole is formed in an end cover, a long groove is formed in the end of a fixing plate, the long groove and the long hole are oppositely combined, a sliding block is located in the long hole and the long groove at the same time, an insertion rod is fixedly connected to the sliding block, the insertion rod and the end cover are inserted and slide, a spring is connected between the sliding block and the inner wall of the long hole, and a clamping groove is formed in the side end of the sliding block. The clamping groove is located in the long groove, a protruding piece is arranged at the end of the long groove, the clamping groove and the protruding piece are matched in an inserted mode when the spring is not subjected to external force, a finger groove is formed in the end of the sliding block, a plurality of buckling and pressing shells are arranged on the inner side face of the end cover, and the storage battery is clamped and fixed between the buckling and pressing shells on the upper side and the lower side. The packaging structure disclosed by the utility model can be conveniently assembled and disassembled, is compact in assembly structure, is provided with a heat dissipation channel, and is suitable for centralized packaging of a plurality of storage batteries.

The invention discloses a pathological section full-automatic quality detection method and system based on an OCT technology, and relates to the technical field of pathological detection. The system comprises an OCT imaging module, a sample bearing and positioning module, a data processing module and a quality evaluation module, according to the method, automatic flattening and positioning of a pathological section are achieved through a sample bearing and positioning module, three-dimensional scanning is conducted on the pathological section through an OCT imaging module to obtain an original interference signal, signal noise reduction, wave number resampling, Fourier transform and other processing are completed through a data processing module, and a three-dimensional microscopic image is constructed. And finally, the quality evaluation module automatically identifies slice defects, quantifies defect levels and outputs a quality detection result. According to the invention, full-process automation of pathological section quality detection is realized, manual intervention is not needed, the detection precision can reach a microscopic scale, the problems of low efficiency, high omission ratio and dependence on experience judgment in traditional manual sampling inspection are effectively solved, and an objective and efficient technical scheme is provided for pathological section quality control.

The utility model discloses a high-cycle-rate and high-density clarification tank which comprises a tank body, and the bottom of the tank body shrinks inwards to form a conical structure; a flocculation reaction area extending vertically is arranged in the center of the tank body, a settling area is arranged around the outer side of the flocculation reaction area, and a clear water area is arranged above the settling area; a plurality of inverted-cone-shaped mud buckets are arranged at the bottom of the settling zone, and the bottoms of the mud buckets are connected with mud discharging pipelines; a plurality of water quality monitoring probes are arranged in the clear water area, the probes are electrically connected with an automatic control system outside the tank body, and the automatic control system is connected with the flocculant dosing device and the sludge discharge pump through data lines. According to the scheme, real-time water quality monitoring is achieved through combination of the water quality monitoring probe and the automatic control system, the system can automatically adjust the flocculant adding amount and the sludge discharging frequency according to water quality data, the precision and stability of the treatment process are guaranteed through the closed-loop control mechanism, and the treatment efficiency is improved while thorough sludge discharging is guaranteed. And the cleanliness of upper-layer clear water is remarkably improved through intelligent control.

Disclosed are a device and method for detecting distance reduction attack in an ultra-wide band (UWB) high rate pulse (HRP) mode. The method for detecting distance reduction attack is a method performed by a receiver or transmitter operating in the UWB HRP mode, the method comprising receiving a message frame targeted for distance reduction attack; splitting a scrambled timestamp sequence (STS) field included in the message frame into a plurality of sub-fields; computing a correlation between each of the sub-fields and a corresponding sub-template among a plurality of sub-templates split from a local template; extracting a plurality of maximum peaks, each corresponding to each of the correlations; and detecting the distance reduction attack based on extracted maximum peaks.