149results about How to "Reduce Design Complexity" patented technology

The invention relates to a four-rotor unmanned aerial vehicle anti-interference trajectory tracking control method based on an observer and a tracking differentiator, and belongs to the field of aerial robot control. According to the method, various aerodynamic disturbances in the environment are estimated in real time by using the nonlinear disturbance observer; then, external interference estimated in real time is used as an interference compensation item of a sliding mode controller to obtain control laws of a four-rotor position subsystem and a four-rotor attitude subsystem, and meanwhile, an improved tracking differentiator is used for providing a smoother expected attitude signal; and finally, proving accurate estimation of the nonlinear disturbance observer on external disturbance through a global consistent final bounded stability theory, and proving the stability of the four-rotor control system through a Lyapunov method. A novel high-frequency switching function established in a control law is combined with an improved tracking differentiator, so that the buffeting problem of sliding mode control is effectively suppressed, and a nonlinear interference observer improves the anti-interference capability of four rotors; the control input buffeting is reduced while the robustness of the four rotors is improved.

The invention provides a battery module and a battery life prolonging method thereof, the battery life prolonging method is applied to a battery management system, and a charger is controlled by the battery management system to charge a battery cell group. Before the battery cell group is charged, after a target charging electric quantity value of the battery cell group is set according to the battery health state of the battery cell group, a constant-current charging mode is entered, and a charger starts to charge the battery cell group. And then, calculating a charged electric quantity value of the battery cell group, and when the charged electric quantity value is greater than the target charging electric quantity value, ending the constant-current charging mode. Therefore, the aging condition of the battery is estimated before charging, different life prolonging strategies are adopted, and then the target charging electric quantity value of the battery is dynamically changed, so that the full capacitance can be gradually improved according to the aging degree, and the purpose of prolonging the service life of the battery is achieved.

The invention provides an oblique incidence high-efficiency broadband long-wave light splitting film, the working angle of the light splitting film is 45 degrees, an equivalent relation of double-sided design and single-sided design under oblique incidence is established through numerical calculation, 45-degree single-sided transmittance and reflectivity target values are set, and film system matching is performed by adopting a design method of alternating three refractive indexes. And then the same film system is plated on the two surfaces of the long-wave infrared substrate respectively, so that the preparation of the beam splitting film is realized. The objective of the invention is to realize high-efficiency light splitting of a long-wave infrared window in a transmittance / reflectivity ratio of 1: 1 in a wave band range of 7 [mu] m-12 [mu] m under 45-degree inclined incidence, and the light splitting film has the advantages of stable performance and small surface shape change, and is suitable for optical systems for imaging, detection and the like.

The invention discloses an AI-AD intelligent machine design method and system based on a learning-generation mode. The method comprises the following steps: S1, enabling an AI-AD intelligent mechanical design system to understand design knowledge at first; s2, compiling a workflow with low codes; s3, compiling a Prompt strategy of the design Agent and a called knowledge base; s4, repeating the steps S1 to S3, and compiling various agents needing to complete various specific design functions; s5, according to the designed various agents, a multi-agent self-organizing framework is utilized, and product creation type design is completed; and S6, according to the generated design result, generating a VBA file and storing the VBA file in the cloud. And S7, the SW establishes a conversation with the agent through a back-end API of the agent, timely reads a VBA code of the cloud for modeling, and outputs a model. According to the invention, a system structure of knowledge processing, cloud data storage, SolidWorks-based secondary development modeling and a human-computer interface module is constructed, Agents are enabled to learn at first, then design is created, and a 3D model meeting user requirements is generated, so that the current situation that knowledge engineering has extremely high requirements for practitioners' admission threshold can be reduced.

The invention discloses a programmable metasurface unit chip and a programmable metasurface, and the unit chip sequentially comprises a first dielectric layer, a first bonding dielectric layer, a controllable metal layer, a second bonding dielectric layer, a third dielectric layer, a third metal layer, a third bonding dielectric layer, a fourth dielectric layer and a fourth metal layer from top to bottom. The controllable metal layer comprises a metal structure and a controllable element and is used for forming two isolation electromagnetic wave regulation and control channels so as to independently control orthogonal polarization electromagnetic waves and provide independent and controllable electromagnetic response for the incident orthogonal polarization electromagnetic waves; the third metal layer is used as a radio frequency ground for improving the electromagnetic wave reflection performance; the fourth metal layer is used for inputting bias voltage; and bias voltage is loaded to the controllable element through the metal holes of each layer. The plurality of unit chips are arranged on the substrate in an array mode to form the metasurface. The unit chip provided by the invention can greatly reduce the design and implementation complexity of the metasurface, reduce the production and maintenance cost, and promote the application of the metasurface in a wireless information system.

The invention discloses a reconfigurable computing array, a reconfiguration controller architecture, a chip and a reconfiguration computing method. The reconfigurable computing array comprises a main control module, a state machine module, a computing decoder module, a memory access resource controller module, a reconfiguration controller module, the reconfigurable computing array, an input buffer area module and an output buffer area module. The state machine module controls the whole reconstruction calculation process through state switching; the reconfiguration controller module configures the connection mode of PE units in the reconfigurable computing array according to the decoding result of the computing decoder module, and various computing functions are achieved so as to complete different types of data computing tasks. According to the method, the multiple computing units in the reconfigurable computing array are dynamically configured, so that a hardware architecture can be adjusted in real time according to different algorithm requirements, the reconfigurable computing array is accurately configured to complete different computing tasks, special hardware does not need to be designed for each task, and the computing efficiency is improved. Therefore, the flexibility of chip configuration and the resource utilization rate are improved.

The embodiment of the invention relates to a processing method and device for a large language model introducing conditional constraints. The method comprises the steps that a corresponding first state prediction model is customized for each conditional rule; creating a corresponding model training data set for each condition rule to train a corresponding first state prediction model; marking any type of large language model which is realized based on a Transform architecture and has been subjected to pre-training and fine tuning as a first large language model; selecting all the first state prediction models corresponding to one or more condition rules to establish a multi-rule state prediction model, and adding the multi-rule state prediction model and a constraint decoding control module on the basis of the first large language model to form a second large language model; and performing corresponding constraint text generation processing according to the user input text based on the second large language model, and outputting a corresponding constraint generation text to be fed back to the user. According to the method, the rule adaptation flexibility of the model can be improved, the calculation amount is reduced, and the timeliness is improved.

The invention discloses an interface circuit and a connector, the interface circuit comprises a male head connecting end, a female seat connecting end and a control module, the male head connecting end is provided with a first male head pin and a second male head pin, the female seat connecting end is provided with a first female seat pin and a second female seat pin, and the control module is used for controlling the first male head pin and the second male head pin when determining that second equipment supports data communication. The target male head pin is controlled to be connected to the first device according to a target female seat pin connected with the second device, the target female seat pin is one of the first female seat pin and the second female seat pin, and the target male head pin corresponds to the target female seat pin. According to the interface circuit provided by the invention, the line sequence of the high-speed signal can be ensured to meet the requirement under the condition that a multiplexer is not needed, so that the first equipment and the second equipment can carry out data communication, screen projection is realized, the design complexity of the circuit is reduced, the circuit structure is simplified, and the cost is reduced.

The invention belongs to the field of aircraft thrust management, and particularly relates to an implementation method of a thrust-reduced takeoff function of an aircraft. The method comprises the following steps: step 1, determining a thrust-reducing takeoff scheme, and dividing the thrust-reducing takeoff scheme into two thrust-reducing levels, namely a first thrust-reducing level and a second thrust-reducing level; wherein the first thrust reduction level adopts a level thrust reduction mode, and the first thrust reduction level comprises a plurality of thrust reduction levels; setting a second thrust reduction level between the first thrust reduction level and the second thrust reduction level, wherein the second thrust reduction level adopts a flexible temperature thrust reduction mode; step 2, converting the thrust value of each thrust reduction grade under the standard condition into a takeoff weight grade according to an equal thrust-weight ratio mode; and 3, selecting a thrust reduction level according to the takeoff weight to calculate the takeoff performance, judging whether the selected thrust reduction level meets the takeoff requirement or not, if so, taking off by using the current thrust reduction level, and otherwise, entering judgment of the next thrust reduction level.

The invention discloses a frequency multiplexing implementation method of a ground-air broadband communication system, which comprises the following steps: setting a plurality of multiplexing frequencies for aggregating downlink subcarriers for the ground-air broadband communication system, the plurality of multiplexing frequencies multiplexing the frequency of a ground operator system; arranging a ground-air system base station which is spatially isolated from a ground same-frequency network base station of the ground operator system for the ground-air broadband communication system along an air route according to the plurality of multiplexing frequencies; according to the coverage condition of a plurality of multiplexing frequencies in the ground operator system, selecting an actual multiplexing frequency for the laid ground-air system base station from the plurality of multiplexing frequencies; and realizing ground-to-air communication of the ground-to-air broadband communication system by using the actual multiplexing frequency of the ground-to-air system base station. According to the frequency multiplexing technology, the inter-system co-frequency interference caused by frequency multiplexing can be reduced, and the design complexity and the construction cost are low.

The invention discloses a multi-channel sampling circuit hybrid error modeling and cyclic calibration method, and belongs to the technical field of signal sampling. The method comprises the following steps: constructing a system error model, and introducing polynomial series to realize model simplification; generating a reference signal participating in error cycle calibration according to the simplified hybrid error model; initializing a frequency response function of each sampling channel, and calculating an initial tap coefficient of an error correction module; a cascade multi-order error correction structure is used for completing reference signal error iteration correction, so that the reference signal error continuously approaches to an input signal; correcting the signal to calculate a loss function, and completing estimation and updating of a tap coefficient; and judging whether the loss function reaches a convergence condition or not until hybrid error cyclic calibration is realized. On the basis of the reference signal constructed by the hybrid error model, low-complexity online blind cycle calibration is realized, the precision and completeness of the system error model are improved, the quantity of parameters to be estimated and the number of sample points for calibration are remarkably reduced, and the calibration efficiency is improved.

The invention relates to the technical field of optical design, in particular to a method for designing an initial structure of an optical system based on first-order quantity, which comprises the following steps of: randomly assigning the focal power of other elements except the last element and the interval between adjacent elements, and calculating the focal power of the last element according to system design requirements; the method comprises the following steps: setting an objective function according to the focal power of the element and the interval between the element and a detection surface, searching focal power and interval distribution data of the element when the objective function value is optimal by using a global algorithm, and modeling and optimizing through optical design software. According to the method, optimization variables in the optical design process are simplified, on the premise that the initial structure design accuracy is not reduced, the traditional optical design process is simplified, the design complexity is reduced, and the problems that a traditional design method is low in design efficiency, computing resources are wasted and the like are effectively solved.

The utility model is suitable for the technical field of sensors, and provides a capacitive sensor which comprises a capacitive digital conversion chip and an insulating substrate, a groove is formed in the front face of the insulating substrate and divides the front face of the insulating substrate into a measuring head area and a grounding area, a first via hole is formed in the measuring head area, and a second via hole is formed in the grounding area. A second via hole is formed in the grounding area, and copper plating layers are arranged on the measuring head area, the grounding area, the inner wall of the first via hole and the inner wall of the second via hole; the capacitance digital conversion chip is arranged on the back face of the insulating substrate, a detection pin of the capacitance digital conversion chip is electrically connected with the inner wall of the first via hole, and a grounding pin of the capacitance digital conversion chip is electrically connected with the inner wall of the second via hole. The stray capacitance in the capacitive sensor circuit can be reduced, the measurement precision and stability of the capacitive sensor can be improved, and the cost can be reduced at the same time.

This application relates to a method, apparatus, controller, system, medium, and product for detecting the state of a battery cluster. The method includes: acquiring a first detection mode and a current second detection mode of the battery cluster from a primary controller; the second detection mode is determined based on current detection data obtained from state detection of the battery cluster; if the first detection mode and the second detection mode differ, and the battery cluster state detection module supports the first detection mode, then the first detection mode is determined as the target detection mode for state detection of the battery cluster; if the battery cluster state detection module does not support the first detection mode, then the second detection mode is determined as the target detection mode for state detection of the battery cluster; and the state detection result of the battery cluster is determined based on the detection data obtained from state detection of the battery cluster using the target detection mode. This method improves the flexibility of battery cluster state detection.

A missile telemetry antenna array based on feed phase difference and screw coupling, comprising: inverted F antenna, missile cabin, rectifier block, RF cable and transmitter; a plurality of inverted F antennas are evenly distributed around the central axis of the missile cabin, and the inverted F antennas are fixedly installed on the outer wall of the missile cabin; the inverted F antennas are connected with the transmitter through the RF cable; a rectifier block is arranged above the head of each inverted F antenna; the rectifier block is fixedly installed on the outer wall of the missile cabin; and the rectifier block is used for flow guiding, so that no stagnation point of aerodynamic heating appears on the inverted F antenna. The present application optimizes the gain depression of the axis direction of the missile body, realizes the protection of the aerodynamic heating and force of the antenna by installing the rectifier block in front of the antenna, generates electromagnetic resonance and induced current through the installation screw of the rectifier block, realizes the secondary radiation of electromagnetic waves and the reflection guiding effect.

This utility model relates to vehicles, specifically providing a differential, a vehicle transmission assembly, and a vehicle, aiming to solve the problem of excessive internal oil pressure affecting the sealing effect of the oil seal in the differential. To this end, the differential of this utility model includes: a support base with a first through hole, the inner wall of which has an annular groove; an input shaft; and an adjusting ring disposed within the annular groove, with a clearance fit between the adjusting ring and the inner wall of the annular groove, allowing oil to flow through the gap on both sides of the adjusting ring. This utility model, by setting an adjusting ring within the through hole of the differential support base and ensuring a clearance fit between it and the inner wall of the annular groove, achieves free flow of oil under normal operating conditions; when a large oil pressure difference occurs on both sides of the adjusting ring, the adjusting ring automatically adheres to the inner wall of the annular groove under pressure, promptly sealing the gap and effectively isolating the oil flow. This structure can dynamically adjust the internal oil pressure of the differential without changing the original arrangement.

The invention relates to a multi-mode 5G signal processing circuit and communication equipment. The signal processing circuit comprises an auxiliary carrier signal amplification unit and a multiplexing filtering unit which are connected with each other. And the multiplexing filtering unit comprises a B1 filter, a B5 filter, a B41 filter and a B7 filter which are respectively used for processing signals in a frequency band of 2110-2170 MHz, a frequency band of 869-894 MHz, a frequency band of 2496-2690 MHz and a frequency band of 2620-2690 MHz, and each filter integrates transmitting and receiving functions. The circuit further comprises a signal processing unit, a main carrier signal amplification unit, an antenna system, a multi-mode multi-frequency power amplifier and the like. According to the invention, by optimizing the radio frequency circuit structure, the number of devices is reduced, and the circuit complexity and the design cost are reduced; meanwhile, due to the design of the integrated filter, the signal transmission loss is reduced, the signal processing performance is improved, signal receiving and transmitting in an NSA mode and a CA mode can be flexibly achieved, and various networking requirements of a modern mobile communication system are met.

The application relates to a planetary shaft structure in the technical field of differentials, which comprises a left half shaft gear, a right half shaft gear arranged opposite to the left half shaft gear, and four planetary gears arranged in a cross shape between the left half shaft gear and the right half shaft gear and meshed with the two gears, wherein a main support is arranged through the coaxial two planetary gears of one opposite arrangement, an auxiliary support is arranged through the coaxial two planetary gears of the other opposite arrangement, the two auxiliary supports are respectively arranged on the two sides of the main support, and each auxiliary support is connected with the main support through a positioning piece; the whole planetary shaft structure is simple and clear, the setting of a planetary support is cancelled, the self-strength and mounting strength of the left half shaft gear, the right half shaft gear and the four planetary gears are improved, the design flexibility of the whole planetary shaft structure is improved, and the design complexity and cost of the differential assembly are reduced.

The utility model relates to the field of fire fighting, and provides a fire extinguishing device, an energy storage device and a power utilization device.The fire extinguishing device comprises a shell, the shell comprises a first wall and side walls, the side walls define a containing cavity with an opening, the opening covers the first wall, the first wall is provided with a first through hole and a second through hole, and the first through hole is used for spraying aerosol; the barrier is arranged on one side, far away from the accommodating cavity, of the first wall; the slow opening part is connected to the blocking part to slow down movement of the blocking part in the thickness direction of the first wall. Wherein the first through hole is at least partially formed outside the orthographic projection of the blocking part on the first wall, and the second through hole is formed inside the orthographic projection of the blocking part on the first wall, so that the reliability of the fire extinguishing device is improved.

The application discloses an intelligent power supply control system, and relates to the field of intelligent power supply management equipment.The system comprises an LCD display module and a power supply management MCU chip, wherein the power supply management MCU chip is internally integrated with a nonvolatile memory, a CPU module, a PMU module, an LCD controller and a bandwidth arbitrator; the bandwidth arbitrator is connected with the nonvolatile memory, the CPU module and the LCD controller; the CPU module is connected with the PMU module and the LCD controller; the output end of the LCD controller is in communication connection with the LCD display module; the nonvolatile memory internally stores color screen display memory data and instruction codes to be executed by the CPU module; and the bandwidth arbitrator configures the priority and bandwidth of the nonvolatile memory in responding to an access request when an access conflict occurs.The application simplifies the hardware circuit.

This utility model relates to the technical field of imaging devices, and more particularly to a switching mechanism and imaging chip, including a power input port for inputting a first voltage; a ramp voltage port for inputting a second voltage; a first power supply port connected to the power input port via a line, and also connected to the ramp voltage port via a line; and a plurality of control switches, each including a first switch and a second switch disposed between the power input port and the power supply port, and a third switch disposed between the ramp voltage port and the power supply port. This switching mechanism and imaging chip, when programmed, require a separate 10V switching circuit. Only a portion of the transistors in the switching circuit need to use high-voltage devices, avoiding the need for large-scale use of high-voltage devices and high-voltage power supplies in modules that generate HVWLPC1 or HVWLPC2.

The invention discloses a double-transistor flyback circuit control method, circuit and chip, and the method comprises the steps: a drive controller detects whether a drive power supply of a first switching tube needs to be forcibly charged, if yes, a second pin is controlled to output a high level, and if not, a second pin is controlled to output a high level; the second pin is controlled to charge a driving power supply of the first switch tube through a power supply connected with the third pin, after charging is completed, the second pin is controlled to output a low level, otherwise, the second pin and the first pin are controlled to output a high level at the same time, so that the second switch tube and the first switch tube are turned on at the same time; when a signal for turning off the switching tube is detected, the first pin is controlled to output a low level to turn off the first switching tube, and the second pin is controlled to output a low level to turn off the second switching tube after waiting for a first preset time.

The invention relates to a chip layout design method, which belongs to the technical field of semiconductor laser design, solves the technical problems of low efficiency and high possibility of errors in chip design, and comprises the steps of self-adaptive adjustment of design parameters, modular layout design, combination of automation and manual intervention and wiring strategy optimization. The method comprises the steps of multi-objective balance of power consumption, performance and area optimization, real-time integration of design rule check DRC and circuit consistency check LVS, design optimization aiming at an advanced process, and functional module expansion. The design method is used for chip layout design, especially layout design of advanced process nodes.

The invention discloses a digital fuel oil adjusting solenoid valve synchronous cooperative control system and method, the input end of an FPGA is connected with a main processor board and a current acquisition circuit, the output end of the FPGA is connected with a multi-channel fuel oil adjusting solenoid valve conditioning and driving circuit, the current acquisition circuit is connected with respective sampling resistor connected in series at each fuel oil adjusting solenoid valve, and the sampling resistor is connected with the main processor board and the current acquisition circuit. A q value output by a main processor board is converted into a carrier waveform, a current acquisition circuit is used for acquiring a current acquisition output waveform, an FPGA (Field Programmable Gate Array) carries out AND operation on the carrier waveform and the current acquisition output waveform, and FPGA output control waveforms, namely output control signals, of different channels are obtained according to synchronous cooperative control requirements. A plurality of paths of fuel oil adjusting electromagnetic valves are synchronously and cooperatively adjusted through a fuel oil adjusting electromagnetic valve conditioning and driving circuit, so that digital dynamic synchronous cooperative control of control parameters of the plurality of paths of fuel oil adjusting electromagnetic valves is realized; and meanwhile, the design complexity of the multi-pass fuel regulating circuit synchronous coordination system is reduced, and the occupied volume is reduced by half when the same function is realized.

The application discloses a high-isolation dual-radiation-mode dual-frequency filtering antenna, and relates to the technical field of antennas of wireless communication terminals; the high-isolation dual-radiation-mode dual-frequency filtering antenna comprises a first dielectric substrate to a fourth dielectric substrate which are sequentially arranged from bottom to top; a pair of differential feeding lines arranged on the lower surface of the first dielectric substrate; an intermediate metal surface arranged between the first dielectric substrate and the second dielectric substrate; a pair of feeding extension branches arranged between the second dielectric substrate and the third dielectric substrate; a circular patch arranged between the third dielectric substrate and the fourth dielectric substrate; an upper metal surface and a ring-shaped patch arranged on the upper surface of the fourth dielectric substrate; a feeding probe vertically penetrating the center of each dielectric substrate; and a plurality of groups of metalized short-circuit through holes; the application utilizes the resonant characteristics of the structure itself and electromagnetic mixed coupling effects to obtain dual-frequency dual-band filtering responses; and adopts a feeding mode combining differential feeding and probe feeding and orthogonal mode excitation to realize high isolation between the dual-frequency bands.

This invention provides a self-decoupling intermediate frequency (IF) radiating element and a mobile communication antenna, relating to the technical field of wireless communication. The self-decoupling IF radiating element includes a radiating substrate, a dielectric block, two sets of orthogonally polarized dipoles, and four metal patches. The mobile communication antenna includes the self-decoupling IF radiating element. Each metal patch of the self-decoupling IF radiating element forms a capacitive-inductive resonant circuit with each radiating arm. This resonant circuit can add at least one high-frequency resonant point, ensuring that the electrical performance of the self-decoupling IF radiating element remains unaffected while possessing the characteristic of transmitting high-frequency electromagnetic waves. This allows electromagnetic waves generated by the high-frequency radiating element nested below the self-decoupling IF radiating element to effectively pass through, thereby generating good radiation into space. Specifically applied in mobile communication antennas, this eliminates the need for additional decoupling circuits, does not increase insertion loss, and reduces the design complexity and size of common-aperture antennas.

The utility model provides a kind of system for simulating SPI interface to realize the display of embedded device graphic interface, comprising: main processor, graphic display device, main processor includes embedded main control chip, graphic display device includes LCD display module, embedded main control chip sets up GPIO interface, and GPIO interface connects LCD display module.The utility model can be in the case where hardware SPI interface resource is insufficient or occupied, by using GPIO interface to simulate SPI interface, make full use of the existing GPIO resource of equipment, without additional increase the chip with hardware SPI interface, reduce hardware cost and design complexity, improve the utilization of hardware resources;Through the accurate control of GPIO pin, ensure the stability of simulated SPI interface in data transmission process, effectively reduce the phenomenon such as lag, flicker when graphic display, improve the quality and stability of graphic display, and flexibility and scalability are good.

This utility model relates to the field of fluid circulation system technology, specifically disclosing an electronic oil pump with an internal circulation flow control structure. The electronic oil pump includes a pump body with a cavity. The cavity is divided into an outer circulation cavity and an inner circulation cavity by a partition. The outer circulation cavity supplies oil to external oil-using equipment. The inner circulation cavity houses a motor and a controller, and the partition has an oil hole. The electronic oil pump also includes a one-way control unit located in the inner circulation cavity and connected to the partition. The one-way control unit covers the oil hole, enabling automatic adjustment of the oil flow channel opening based on oil pressure. The oil flow channel is the oil flow path formed by the oil hole and the one-way control unit. This solves the problem in the prior art where electronic oil pumps struggle to dynamically adjust the internal circulation flow according to actual operating conditions.

This application relates to the field of water treatment equipment technology, and provides a water purification device. The water purification device includes a housing, and a water filter assembly, a water circuit board, and a temperature control assembly arranged sequentially from top to bottom within the housing. The water filter assembly is connected to the water circuit board. The temperature control assembly includes a water storage tank and a temperature control component located beside the water storage tank for heating or cooling the water in the tank. The water circuit board has at least one support member on its side facing the temperature control assembly, and at least one of the support members abuts against the temperature control component; alternatively, the water circuit board abuts against the temperature control component. Based on the above solution, part or all of the weight of the water filter assembly and the water circuit board is distributed to the temperature control component, reducing the pressure on the water storage tank from the water filter assembly and the water circuit board, preventing deformation, damage, or failure of the water storage tank due to excessive pressure, and effectively extending the service life of the water storage tank.