5300 results about "Electronics" patented technology

A humanoid robot includes an upper region includes a head and neck assembly having a neck portion and a head portion coupled to the neck portion. Said head portion includes: a rear shell, and a frontal shell coupled to the rear shell to define a head volume between the frontal shell and the rear shell, and an electronics assembly with a display located in the head volume between the frontal shell and the rear shell. The frontal shell of the head housing assembly includes: a first arc length at a first location below the display, a second arc length at a second location aligned with a portion of the display, and wherein said second arc length is greater than the first arc length, and a third arc length at a third location above the display, and wherein said third arc length is greater than both the first arc length and the second arc length.

The invention discloses a circuit EMI suppression-oriented multi-knowledge collaborative distillation and optimization method and system, and the method comprises the steps: constructing a basic large language model based on the circuit design of the electronic industry as a student model, and carrying out the adaptive optimization of the circuit design field. Thirdly, integrating the formalized EMI rule base, the simulation data / model base and the expert experience case base, constructing a multi-source heterogeneous teacher knowledge system, and generating a comprehensive guidance signal G; then, candidate circuit design generated by a student model is evaluated through the system, and a multi-objective loss function including basic distillation, rule conformity, performance fitting and expert experience consistency is constructed; according to the method, the universality is reserved by quantifying differences, compliance is ensured through punishment, the performance difference is reduced, dynamic weight adjustment is introduced, and the model performance reaches a preset target through iterative distillation. The model can understand and process terminologies and design rules in the field of circuit design, and the defect that a general AI model lacks domain knowledge is overcome.

The present application relates to the technical field of electronics, and provides a method for generating a commodity label on the basis of a large language model, and an electronic device. The method specifically comprises: acquiring commodity description information related to a target commodity; performing structured processing on the commodity description information to obtain an objective property feature of the target commodity; and using a fine-tuned large language model to process the objective property feature on the basis of a language prompt lexicon to obtain one or more commodity labels of the target commodity. According to the method, a commodity selling point label can be generated by means of the commodity description information acquired from multiple sources and multiple paths, the source of the commodity description information is expanded, commodity information of different sources can be identified and acquired by means of image and text details, etc., which can assist the model in better understanding the commodity, and generating a more reliable selling point label having a higher confidence level and greater traceability.

The invention relates to an electronics module (102) for a ventricular assist device, wherein the ventricular assist device has a motor housing for accommodating a pump motor. The electronics module (102) comprises an electronics section (204) for accommodating at least one electronic component (206) and / or at least one electrically conductive contacting element (208), and a coupling section (202) designed as a joint between the motor housing (104) and the electronics section (204) or as a separate component to be joined, wherein the motor housing (104) and the electronics section (204) are combined or can be combined via the coupling section (202) with one another to form a fluid-tight module housing (104) to be arranged in a blood vessel.

The invention discloses a difunctional filler synergistically enhanced polymer solid electrolyte and a solid-state battery, and belongs to the field of solid-state batteries. The electrolyte adopts a polymer matrix, a lithium salt and two functional fillers: the first filler has a high dielectric constant, and can accelerate dissociation of the lithium salt, fix negative ions of the lithium salt and improve the transference number of lithium ions under the action of self polarization; and the second filler has high electrochemical window and ionic conductivity, can inhibit high-voltage decomposition, and is adaptive to a high-voltage positive electrode material. Through cooperation and balance design of the two kinds of filler, ion transmission, interface stability and high-pressure compatibility can be considered at the same time. In addition, the invention further designs a composite negative pole piece, the surface of the negative pole piece is coated with the solid electrolyte, and the ion transmission kinetics in the pole piece can be remarkably improved. On the basis, the invention develops a high-performance solid-state battery which is excellent in electrochemical performance and can play an important role in the fields of consumer electronics, electric automobiles, energy storage systems, low-altitude flight and the like.

A pipe inspection system includes a cable storage drum and a housing configured to removably receive and rotatably support the cable storage drum. A push-cable with a plurality of conductors is stored in the drum. An inspection camera may be attached to a distal end of the push-cable. The drum includes a hollow core outer cone configured to accept an inner core removable module. The removable module may include electrical, mechanical, wireless, satellite, and power / battery interfaces. The module mates with a contact plate sealed inside the inner cone. The inner core components, including the battery module, are stationary relative to the inner core. The inner core is free to rotate bidirectionally inside the outer cone as the camera is being fed into, and out of a pipe or conduit for inspection. Slip-rings are not required to maintain connectivity because the electronics and battery module are stationary relative to each other.

Embodiments of the invention provide a plurality of safety features for a pen-stylus. The pen-stylus may comprise a writing shaft that receives mechanical input forces as a user engages the pen-stylus on a display of a tablet device, a force sensor that translates mechanical input forces received from the writing shaft into electrical ones for operation by electronics in the pen-stylus; and a writing shaft impact shock absorber that receives heavy forces imparted to the pen-stylus to shield the force sensor from receiving such heavy forces. The heavy forces impacting the pen-stylus may arise from the pen-stylus being dropped onto a hard surface.

The invention discloses a modular micro-nano satellite integrated power system suitable for batch production and an assembly method thereof. The integrated power system is composed of a semi-open type electric box structure and a modular circuit board. The electricity box structure comprises an electricity box upper cover and an electricity box lower cover, and a plurality of threaded holes are formed in the two sides of the electricity box upper cover and the two sides of the electricity box lower cover and used for being connected with a satellite structure cabin plate; the heat dissipation plate bodies are distributed on the two sides of the modular circuit board; the modularized circuit board is provided with a plurality of circuit boards which are respectively provided with electronic modules in a stacking arrangement. A plurality of electronic modules are integrated into an electronic system by adopting a mechanical-electrical-thermal integrated design method, the system breaks through the function limit of a traditional satellite subsystem, the defects of information exclusion and resource waste are eliminated, a satellite is used as a whole to be subjected to unified design and resource planning tradeoff from the system level, and the system performance is improved. The weight of cables and connectors between electronic modules is greatly reduced, and the effective load ratio is improved.

An adaptive modular multimodal communication and computing panel includes a multilayer stack with a protective layer transmissive in selected bands, a reconfigurable communication layer operable in phased array, reflectarray, hybrid phased reflector, free space optical, or quantum modes, and electronics with heterogeneous processors. A multi scale interconnect and input and output fabric couples electrical, radio frequency, guided optical, and free space optical domains through interfaces including electro optic transduction and RF or baseband conversion. The fabric may implement programmable true time delay, resonators, and comb referenced timing. A management system coordinates beamforming, sensing, routing, calibration, workload placement, and security. Panels tessellate and connect by electrical, radio frequency, and fiber optic interfaces, supporting hot swappable modules, blind mate connectors, robotic servicing, and anti tamper features. Power and thermal subsystems harvest, store, regulate, and dissipate energy. The architecture scales from chip level modules to vehicle, airborne, maritime, orbital, and deployable systems.

The positioning error of a feeding system obviously influences the machining precision, especially under the high-speed and high-load working condition. An existing positioning error compensation system often faces the problems of high calculation cost and complex sensor configuration and is difficult to be widely applied to the industry. Therefore, a simplified model needs to be established and an economical and efficient sensor integration and real-time compensation scheme needs to be developed urgently. Therefore, the invention discloses a dynamic positioning error compensation system of a numerical control machine tool feed driving system, and provides an error suppression system fusing a mechanism driving positioning error prediction model and a real-time compensation strategy. The positioning error prediction model is constructed as a hyperbolic cosine function of temperature and nut position, and the residual error-based dynamic compensation model can effectively process unmodeled errors and system dynamic changes. The dynamic positioning error compensation system shows excellent adaptability and precision under the dynamic working condition, and an extensible practical solution is provided for positioning error suppression in the high-precision manufacturing fields of aerospace, automobiles, electronics and the like.

The invention provides a calculation and power collaboration system and method, and belongs to the field of calculation and power collaboration, and the system comprises a data collection module which collects power data, calculation power data and price data, and constructs a power supply time sequence diagram and a calculation power demand time sequence diagram; a prediction module which generates a power supply predicted value and a computing power demand predicted value based on the power supply sequence diagram and the computing power demand sequence diagram; the intelligent matching module is used for generating a matching decision scheme based on the power supply predicted value and the computing power demand predicted value; the task scheduling module is used for performing differential scheduling based on the matching decision scheme; and the feedback optimization module is used for evaluating the task scheduling result and feeding back the evaluation result to the prediction module and the intelligent matching module. According to the method, the power supply and the computing power demand are predicted, the active scheduling decision is generated based on the prediction result, and the task scheduling module executes space-time flexible scheduling of the task, so that the consumption utilization rate of the new energy power and the supply stability of the computing power service are remarkably improved.

The invention provides a pulse passing rate improving method based on accumulation signal demodulation, and belongs to the technical field of nuclear electronics digital pulse processing. Comprising the following steps: performing baseline deduction and monopulse screening on a radiation field pulse signal; constructing a nuclear pulse signal model, fitting to obtain model parameters, and constructing a system response matrix; modeling a nuclear detection physical process into a mathematical model; solving a constraint optimization problem by using a non-negative least square method; and demodulating and calculating all the pulse signals including the stacked pulses which are discarded by stacking, so as to obtain delta pulses containing energy information. According to the invention, the accumulation signal which is abandoned by a traditional accumulation abandoning algorithm is demodulated, so that the technical problem of increasing the pulse passing rate is solved, and meanwhile, heavy peaks and high-energy trailing in an energy spectrum are inhibited. Compared with an existing accumulation discarding method, the pulse passing rate effect is remarkably improved on the premise that the energy spectrum accuracy is guaranteed.

The invention discloses a battery capacity prediction and state evaluation method and system based on multi-model collaborative learning, and belongs to the technical field of battery management. The method comprises the following steps: constructing a database containing multiple lithium ion battery long-term cycle data, and classifying according to a capacity attenuation trend; cleaning and preprocessing short-term cycle data of the to-be-tested battery; matching the to-be-tested data with the long-term attenuation trend in the database by using a clustering algorithm, and determining an optimal matching trend; distributing weights for the data in the matching trend by adopting a correlation algorithm, and generating initial capacity attenuation prediction; performing sequence correction on the preliminary prediction in combination with meta-learning and a related model, and generating a smooth future attenuation trend conforming to a physical law; and outputting a capacity prediction and health state evaluation result, and evaluating the prediction precision through a root-mean-square error and an average absolute percentage error. The method significantly improves the precision and generalization ability of long-term capacity prediction, and is suitable for various scenes such as electric vehicles, energy storage systems, consumer electronics and the like.

The invention belongs to the field of star flash mouse communication, and discloses a star flash mouse low-power-consumption communication system and method based on Polar code and SLE collaborative optimization, the system adopts a layered architecture design, collaborative optimization of energy efficiency and performance is realized through deep coupling of a physical layer and a link layer, and the performance of the system is improved. The core of the system is composed of three functional units including a Polar code coding module, an SLE control engine and a cross-layer optimization interface, and a complete closed-loop control system is formed. According to the invention, through deep cooperation of the Polar code and the SLE mechanism, the overall power consumption is reduced by 42.7% compared with the traditional scheme; according to the Polar code dynamic construction method based on track prediction, an ultra-low bit error rate of 10 <-5 > magnitude can still be kept in a 2.4 GHz complex interference environment, and in combination with signal-to-noise ratio self-adaptive coding parameter adjustment, it is ensured that transmission delay within 0.5 ms is always kept from a low-speed office scene to a high-speed electronic sports scene; in the aspect of engineering implementation, the method has the capability of quickly adapting to hardware platforms of different manufacturers, and a complete solution with high performance and low cost is provided for large-scale commercial use of the satellite flash technology in the consumer electronics field.

The invention provides a cyclic redundancy check method and device and a logic chip, and relates to the technical field of electronics. The cyclic redundancy check method comprises the following steps: acquiring to-be-processed data; splitting the to-be-processed data based on a preset bit width to generate N sub-data; performing CRC operation on the N sub-data according to a CRC matrix corresponding to a preset bit width to generate M first CRC values; and for the M first CRC values, selecting a corresponding CRC sub-matrix from the N CRC sub-matrixes according to the position of the sub-data corresponding to the current first CRC value in the data packet from the first first CRC value to the last first CRC value, performing CRC operation on the current first CRC value and the previous first CRC value to obtain M second CRC values, and performing XOR operation on the M second CRC values to determine a target CRC value. Through the method, the time sequence requirement of logic chip design can be met.

The invention discloses a carbon-loaded high-entropy oxide and a preparation method thereof, the carbon-loaded high-entropy oxide is of a core-shell structure formed by coating carbon with a high-entropy oxide, and the high-entropy oxide comprises at least five metal elements of chromium, manganese, iron, cobalt, nickel and copper. The carbon-loaded high-entropy oxide has the advantages of low density, high dielectric loss and excellent wave-absorbing performance, and is expected to be widely applied to electromagnetic absorption and elimination in the fields of electronics, communication civil affairs and aerospace military.

The invention relates to the technical field of conveying equipment, in particular to a magnetic suspension flexible conveying system which comprises a stator guide rail module, a rotor suspension module, a suspension gas module, a magnetic force driving module, a control module and a detection module. The stator guide rail module comprises an installation support, a guide rail is fixedly installed on the installation support, the rotor suspension module is installed on the guide rail, air guide holes are evenly distributed in the guide rail, an air guide channel communicated with all the air guide holes is formed in the guide rail, and the air guide channel is connected with the suspension air module. According to the application, gas suspension and magnetic force driving are fused, real-time monitoring is realized through the detection module, precise regulation and control are realized through the control module, high-precision positioning and track control of the rotor suspension module are realized, and the requirements of high-precision industries such as electronics and precise instruments are met. According to the non-contact design, friction and part abrasion are greatly reduced, the operation resistance is small, the energy consumption is low, the system stability is high, interference and load change can be rapidly adjusted, and the reliability is high.

The invention discloses low-silver lead-free tin-based solder paste and a preparation method thereof, and belongs to the field of welding materials. The soldering paste is composed of 85 wt%-87.5 wt% of tin-based powder brazing filler metal and 12.5 wt%-15 wt% of scaling powder, wherein the tin-based powder brazing filler metal comprises 0.35 wt%-0.6 wt% of Ag, 0.5 wt%-0.8 wt% of Cu, 1.0 wt%-4.0 wt% of Bi, 0.05 wt%-0.08 wt% of Ni and the balance Sn; the soldering flux is composed of rosin, a solvent, an active agent, a thixotropic agent, a film-forming agent, a PH regulator, a surfactant, a phenolic antioxidant and a corrosion inhibitor. The soldering paste has excellent low residue, good wettability and welding reliability, and is especially suitable for surface mount technology (SMT) in the electronic and electric appliance industry.

The invention discloses a single-molecule conductance signal semantic segmentation method based on multi-domain feature fusion, and relates to the field of single-molecule electric transport data analysis. The core of the method is a deep learning framework, and the deep learning framework comprises a time domain-frequency domain double-flow encoder, an attention mechanism module, a projection layer, a hierarchical clustering module and a segmentation head. The method specifically comprises the following steps of: performing data enhancement on time domain and frequency domain information of an input sample, generating views which are related to semantics and have different forms, and inputting the views into corresponding encoders; aligning two-modal coding features by adopting an attention mechanism; inputting the projected original time domain features into a hierarchical clustering module to generate a high-quality pseudo-tag, and taking the high-quality pseudo-tag as a supervision signal training segmentation head; and performing joint optimization by taking the weighted sum of the comparison loss and the segmentation loss as a total training target. The evaluation indexes comprise the accuracy rate, the F1 score and the MIoU. The method is applied to single-molecule electrical transport signal analysis, and provides effective data method support for single-molecule electronics basic research and application research.

An acoustic wave device, a radio frequency filter and an electronics module are provided. The acoustic wave device, comprises a layer of piezoelectric material, a pair of interdigital transducer electrodes disposed on an upper surface of the layer of piezoelectric material, each interdigital transducer electrode including a bus bar and a plurality of electrode fingers extending from the bus bar through a central region of the interdigital transducer electrode towards an edge region of the interdigital transducer electrode, each of the plurality of electrode fingers having a width in a direction perpendicular to the extension of the electrode fingers that is smaller in the edge regions than in the central regions, and trench portions located in the upper surface of the layer of piezoelectric material, the trench portions overlapping with the edge regions of the interdigital transducer electrodes. The acoustic wave device provides effective suppression of transverse modes.

The invention relates to the technical field of communication and electronics, and discloses a low-altitude unmanned system data processing method and gateway based on edge computing, and the edge computing gateway executes the following steps: obtaining sensor data collected by a low-altitude unmanned system in real time, continuously monitoring the network connection quality between the edge computing gateway and the cloud server; in response to the change of the network connection quality, dynamically selecting one adaptive mode from three preset data processing modes; processing the sensor data by adopting the selected data processing mode to obtain an analysis result; and based on the analysis result, locally generating a control instruction for controlling the low-altitude unmanned system at the edge computing gateway. By analyzing the preset task profile file and combining the utility evaluation and the model selection strategy, the computing resources and the AI model of the unmanned system are subjected to prospective pre-configuration.

The utility model discloses a sounding monomer and electronic equipment, relates to the sound energy conversion technology field, the sounding monomer comprises a housing, a magnetic circuit system, a vibration system and a waterproof sealing ring, the magnetic circuit system is connected with the housing, the magnetic circuit system comprises a magnet assembly, the magnet assembly forms a magnetic gap, and the vibration system is connected with the waterproof sealing ring. The magnet assembly comprises a plurality of magnets which are sequentially arranged in the first direction, and the magnet assembly is provided with a magnetic field enhancement side facing the magnetic gap; the vibration system comprises a vibrating diaphragm and a flat voice coil, the flat voice coil is connected with the vibrating diaphragm and located in the magnetic gap, the axial direction of the flat voice coil is arranged in the second direction, and the first direction is perpendicular to the second direction; the waterproof sealing ring is connected to the side, away from the magnetic circuit system, of the shell and surrounds the vibrating diaphragm, and the shell, the waterproof sealing ring and the vibrating diaphragm are integrally formed through injection molding. The magnet assembly is provided with a magnetic field enhancement side facing the magnetic gap, so that the magnetic field driving force is improved, and the acoustic performance of the loudspeaker is improved.

The object of the present invention is to provide a flexible OECT non-enzymatic glucose sensor and a preparation method thereof, belonging to the technical field of glucose electrochemical sensors. The sensor uses a chemically modified laser-induced graphene (LIG) electrode as the gate, and gold nanoclusters (AuNC) are modified on the LIG through controllable in-situ electrochemical reduction; at the same time, by utilizing the pH-dependent conductivity of PEDOT:PSS, the self-calibration of the sensor of the present invention to the pH change of human sweat is realized, thereby reducing interference and improving the measurement accuracy. The flexible non-enzymatic glucose sensor designed by the present invention has the advantages of high detection sensitivity, low detection limit, excellent long-term stability, and being unaffected by pH value fluctuations, and can be widely applied to the field of wearable electronics.

In an example, the present invention provides a micro-speaker device. The device has a movable diaphragm device comprising a thickness of silicon or graphene material which has a first surface and a second surface opposite of the first surface and sensor to track position of the diaphragm. The device has a housing enclosing the movable diaphragm device, the electrode device and an encapsulation device. The electrode device can be part of a CMOS device with electronics integrated on to the device that converts input audio signal in to signal that electrostatically actuates the micro-speaker from one or more surfaces.

A portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a fluid actuation system for controlled fluid movement and pressurization. An electronics housing within the portable fluid tank system can accommodate a removable energy storage device, providing power to the actuation system. The portable fluid tank system can include a battery compartment housing suitable for holding a removable energy storage device. The housing can define an opening for inserting the removable energy storage device therein. A battery compartment cover, capable of removably sealing the opening, can be pivotably joined to the housing by a biasing element. The biasing element can apply a force that biases the cover towards a closed position. To open the cover, a user can exert effort against the biasing force. Once released, the cover can automatically return to the closed position due to the biasing element.

Techniques for interfacing electronics are disclosed. A system-on-chip is accessed. The system-on-chip includes a network-on-chip (NoC) topology. The NoC sub-topologies are based on a physical location of the plurality of logic blocks. A first sub-topology is coupled to a receiving block, wherein the coupling includes inserting an interfacing block. The interfacing block includes a digital PLL (DPLL). The first sub-topology sends to the interfacing block data and a first clock. The first clock is input to the DPLL and used as a reference clock. The DPLL generates a second clock that is used to save the data that was sent. The interfacing block forwards to the receiving block the second clock and the data that was saved. The second clock is used as the internal clock in the receiving sub-topology. The NoC communications includes packets. Additional interfacing blocks are instantiated as necessary.

The utility model relates to the technical field of semiconductor detection, and aims to provide a two-dimensional semiconductor material impurity online detection system which comprises a main analysis target chamber and a sample replacement target chamber, the sample injection system comprises a magnetic coupling transmission rod connected with the sample change target chamber and a manipulator connected with the main analysis target chamber; the sample processing system comprises a laser annealing device and a sample rack positioned in the main analysis target chamber; the Ar + ion gun system is connected with the main analysis target chamber; the flight time detector is connected with the main analysis target chamber; the data acquisition system comprises a nuclear electronics system and is used for converting detected signals into electric signals and transmitting the electric signals to a computer. Through the cooperation of the main analysis target chamber, the sample changing target chamber, the sample injection system, the sample processing system, the Ar + ion gun system, the flight time detector and the nuclear electronics system, the dynamic data acquisition and analysis are realized, and the problem that the impurity H element of the two-dimensional semiconductor material cannot be nondestructively detected by the conventional surface analysis method is solved.

A laparoscopic medical device includes an oximeter sensor at its tip, which allows the making of oxygen saturation measurements laparoscopically. The device can be a unitary design, wherein a laparoscopic element includes electronics for the oximeter sensor at a distal end (e.g., opposite the tip). The device can be a multiple piece design (e.g., two-piece design), where some electronics is in a separate housing from the laparoscopic element, and the pieces (or portions) are removably connected together. The laparoscopic element can be removed and disposed of; so, the electronics can be reused multiple times with replacement laparoscopic elements. The electronics can include a processing unit for control, computation, or display, or any combination of these. However, in an implementation, the electronics can connect wirelessly to other electronics (e.g., another processing unit) for further control, computation, or display, or any combination of these.

The invention belongs to the technical field of manufacturing of special equipment for the electronic industry, and particularly relates to an automatic chip mounter for a surface-mounted buzzer, which comprises a machine table, a working table is arranged at the upper end of the machine table, a three-axis industrial manipulator is arranged on the working table, a chip mounting head is arranged on the three-axis industrial manipulator, and a transfer mechanism is arranged below the three-axis industrial manipulator. A material storage cup is arranged in front of the transfer mechanism, the material storage cup is connected with a material carrying block in a sliding mode, an air cylinder used for driving the material carrying block is fixedly installed on the workbench, the transfer mechanism comprises a fixing column, the fixing column is fixedly installed on the workbench, and a transfer disc is rotatably installed on the fixing column. According to the device, a worker can place the next group of dies in the group of material placing frames at the material placing point position and take down the dies after surface mounting processing from the corresponding material placing frames, so that surface mounting and material taking and placing are carried out at the same time, the material taking and placing time is saved, and the surface mounting processing efficiency of the surface mounting type buzzer is improved.