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72results about How to "Reduce control difficulty" patented technology

Leaky-wave antenna and frequency modulation continuous wave generation method based on leaky-wave antenna

The invention provides a leaky-wave antenna and a frequency-modulated continuous wave generation method based on the leaky-wave antenna, and relates to the field of millimeter-wave radar, and the method comprises the steps: constructing a space-time coding matrix, configuring a radiation unit state regulation and control beam direction in a space domain, modulating a radiation unit state switching rule in a time domain to generate a frequency-modulated continuous wave, and achieving space-time dual-domain regulation and control. And frequency-modulated continuous waves with controllable bandwidth are generated. The space-time coding leaky-wave antenna is formed by alternately arranging 1-bit radiation units in an upper row and a lower row, switching of radiation / non-radiation states is achieved by loading a synchronous bias PIN diode across an annular gap, a space-time coding matrix is constructed, the states of the radiation units are configured in a space domain to regulate and control the wave beam direction, and the space-time coding leaky-wave antenna is formed. Modulating the switching rule of the radiation unit in a time domain, and generating a frequency-modulated continuous wave; the radiation efficiency is improved by the alternative arrangement of the radiation units, the control difficulty and the hardware cost are reduced, multiple functions are integrated into a single device, and the problem of low integration level of the traditional separation architecture is solved.
Owner:BEIJING QINGYUAN ZHICHENG TECHNOLOGY CO LTD

Light guide piece, lamp and carrier

PendingCN122083271AAchieve independent segment controlSolve the problem of single lighting effectMechanical apparatusVehicle interior lightingLight guideEngineering
The invention relates to the field of lamps, and discloses a light guide part, a lamp and a carrier, the light guide part comprises at least two light guide sections which are arranged in sequence, and every two adjacent light guide sections are connected through a connecting section; wherein each light guide section is provided with a light inlet part and a light outlet part, the light inlet parts are used for allowing light of the light-emitting assembly to enter the light guide sections, the light outlet parts are used for allowing the light of the light guide sections to be emitted, and the connecting sections are configured to limit at least part of the light to be transmitted between the two adjacent light guide sections. The light guide part is designed to be of the structure that the at least two light guide sections and the connecting sections are alternately connected, independent segmented control over all the light guide sections can be achieved, for example, the on-off states of different light guide sections are independently adjusted, or differentiated color output of all the light guide sections is achieved, the problem that a traditional light guide part is single in light emitting effect is effectively solved, and the light guide part is more convenient to use. And diversified and differentiated light emitting requirements are fully met. The connecting sections can effectively limit light transmission between the adjacent light guide sections, and the light crosstalk phenomenon is avoided.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1

An adjustable two-dimensional tail nozzle

ActiveCN224432681UAchieve thrust adjustmentflying fastFlight velocityUncrewed vehicle
This utility model discloses an adjustable two-dimensional tail nozzle, belonging to the field of two-dimensional tail nozzle technology; it includes a connected engine and an adapter casing. A servo is provided on one side of the adapter casing. The output side of the adapter casing consists of a rectangular opening formed by two oppositely arranged fixed plates and two oppositely arranged adjusting plates. A power arm is provided at the output end of the servo. The right end of the power arm is connected to two parallel first connecting rods by a pin shaft. The other ends of the two first connecting rods are respectively connected to two second connecting rods. It can be applied to small afterburning turbojet engines to improve the flight speed of UAVs. Its structure is simple. The synchronous opening and closing movement of the adjusting plates is achieved through a single servo drive source, reducing the control difficulty, realizing engine thrust adjustment, reducing the number of structures, and making it lightweight, highly reliable, and low in cost. By setting a support rod on the outside of the adjusting plate, the adjusting plate can be limited. The structure is simple and the use effect is good.
Owner:ZHONGKE TIANCHI AVIATION TECHNOLOGY (YANTAI) CO LTD

A smart water temperature control module

This utility model relates to an intelligent water temperature control module, characterized by comprising a flow regulation module, a pressure balancing module, and a temperature control module. The flow regulation module includes a first valve seat and a flow regulating valve core. The first valve seat has a first cold water inlet channel, a first hot water inlet channel, a flow regulating valve core mounting cavity, a first cold water outlet channel, and a first hot water outlet channel. The pressure balancing module includes a second valve seat and a balancing valve core. The second valve seat has a second cold water inlet channel, a second hot water inlet channel, a balancing valve core mounting cavity, a second cold water outlet channel, and a second hot water outlet channel. The temperature control module includes a third valve seat and a temperature control valve core. The third valve seat has a third cold water inlet channel, a third hot water inlet channel, a temperature control valve core mounting cavity, a mixing chamber, and a mixed water outlet channel. Each module exists independently and is independently controlled, simplifying the control method, reducing control and manufacturing difficulty, improving the control accuracy of water flow and temperature, and allowing for selection and combination of different modules.
Owner:NINGBO WANHAI VALVE TECH CO LTD

A Method and System for Weed Detection and Growing Point Location Based on Shared Features

PendingCN122289637Areduce duplicationreduce mistakesWeed detectionPositive sample
This invention relates to the field of agricultural intelligent equipment and machine vision technology, and discloses a method for weed detection and growth point localization based on shared features. The method constructs a collaborative dataset containing weed detection labels and growth point labels, utilizes a shared feature extraction network to extract multi-scale features, and sets detection task branches and growth point localization branches in a unified feature space to achieve joint modeling of weed detection and growth point localization. Then, adaptive positive sample selection is performed based on the joint cost between candidate sample points and labeled growth points, and joint training is conducted using detection loss, growth point localization classification loss, and growth point localization regression loss. During the inference stage, the method outputs weed detection results and growth point localization results, and generates target point information. This method can reduce redundant calculations and error cascading in the multi-stage processing, and improve the accuracy of growth point localization and the stability of target point output in complex farmland scenarios.
Owner:SHANGHAI UNIV

Variable atmosphere ignition combustion experiment device and method for focusing single particle suspension

PendingCN122084818AReflects intrinsic combustion characteristicsEliminate thermal conductivityChemical analysis using combustionLaser transmitterCombustion chamber
The invention relates to a solid fuel combustion characteristic test technology, and aims to provide a focusing single particle suspension variable atmosphere ignition combustion experiment device and method. A second microporous plate and a feed hopper are arranged at the top of a combustion chamber main body of the device, and a first microporous plate and a gas buffer cavity are arranged at the bottom; the two laser emitters are arranged in an included angle shape, and the energy of a single laser beam is lower than a fuel particle ignition threshold value; the two paths of laser intersect in the central area of the cavity to form a space energy focus, and the superposed energy of the two beams of laser can be absorbed at the position to reach an ignition threshold value; and light paths of diagnosis equipment in the optical acquisition module are intersected in a focus area. According to the invention, through a strategy of airflow disturbance and microwell plate blocking, particles completely move in airflow; the ignition behavior has spatial selectivity, the success rate is high and controllable, and the research is closer to the actual application scene. Through the design of single-particle fixed-point triggering, the system complexity and the control difficulty can be reduced, and the operation stability and the experiment repeatability can be improved.
Owner:ZHEJIANG UNIV

Computer sewing machine

The utility model provides a computer sewing machine, and belongs to the technical field of sewing machines. The problem that an existing sewing machine is not high in sewing quality is solved. The computer sewing machine comprises a base, a needle plate with a needle falling hole and a rotating shuttle located below the needle plate, and further comprises a guide seat arranged in the base, a transmission shaft located below the rotating shuttle and a thread shifting rod which is in a C-shaped strip shape and is arranged around the periphery of the rotating shuttle. The transmission shaft is horizontally arranged in the front-back direction of the sewing machine and connected to the guide seat in a sliding mode, the lower end of the thread shifting rod is connected with the transmission shaft, and the transmission shaft can do reciprocating motion in the axial direction and do circumferential reciprocating rotation at the same time, so that the upper end of the thread shifting rod does circumferential circulating motion and can be located between the needle falling hole and the rotating shuttle. According to the design of the computer sewing machine, the control difficulty is reduced, the sewing error is obviously reduced, and the sewing quality is further improved.
Owner:ZHEJIANG BAOYU SEWING MACHINE

Phase adjusting structure and automatic adjusting tea frying machine based on same

The invention relates to the field of agricultural product processing equipment, in particular to a phase adjusting structure and an automatic adjusting tea frying machine based on the phase adjusting structure, the phase adjusting structure comprises a driving part and a transmission assembly, the transmission assembly comprises a transmission shaft, a connecting rod group and a swing rod, and the phase adjusting structure further comprises an eccentric wheel, the screw rod and screw sleeve adjusting mechanism is used for adjusting the distance between the fulcrum of the swing rod and the eccentric wheel, so that the initial angle and the swing amplitude of the frying plate are adjusted. The machine further comprises a rack, a controller and a frying plate; the synchronous belt transmission part is connected with the movable part; and the manual driving part and the automatic driving part are connected with the synchronous belt transmission part. The whole rigidity is effectively improved, vibration in the operation process is restrained, the repeated precision of the motion trail of the frying plate is guaranteed, the service life of the structure is prolonged, complexity and control redundancy of the mechanical structure are avoided, automatic adjustment is achieved, the machining efficiency is higher, and safety is higher.
Owner:YUYAO YAOJIANGYUAN TEA & TEA MASCH CO LTD

Method and device for processing game props and electronic terminal

ActiveCN116785696BAffect control operationsReduce control difficulty
The application provides a game prop processing method and device and an electronic terminal, and relates to the technical field of games, which alleviates the technical problem of low control operation efficiency of a player on a revived character. The method comprises the following steps: in response to the first virtual character being in the state of being revived in the game scene, displaying at least one pre-specified revival prop corresponding to the first virtual character in the graphical user interface, wherein the revival prop refers to a game prop that can be equipped by the first virtual character after being revived; in response to a selection operation on the revival prop, determining that the selected operation corresponds to a target revival prop; and in response to a revival event of the first virtual character in the game scene, controlling the first virtual character to carry the target revival prop and revive in the game scene.
Owner:NETEASE (HANGZHOU) NETWORK CO LTD

Tensioning integral bionic robot

The utility model relates to the technical field of biomimetic robots, in particular to a tensegrity biomimetic robot which comprises a first pressing rod, a second pressing rod, a third pressing rod, a fourth pressing rod, a fifth pressing rod, a sixth pressing rod, a plurality of drivers and a controller, the controller is located in the middle of a geometry formed by the pressing rods and electrically connected with the drivers, and inhaul cable assemblies are further installed between the drivers. According to the bionic robot, various forms can be changed, and the adaptability of the bionic robot is improved.
Owner:刘沁阳

Vacuum casting fixed-point pouring method

The invention relates to the technical field of vacuum casting, in particular to a vacuum casting fixed-point pouring method. On the basis that smelting of a smelting furnace in the smelting chamber is completed, the shell is moved to a heat preservation chamber to be positioned, so that a pouring cup of the shell penetrates into a pouring hole in the top of the heat preservation chamber; the push rod is controlled to push the smelting furnace to rotate around a first axis by a first angle in a first rotating direction, so that the smelting furnace rotates from a vertical state to a first inclined state; the lifting rod is controlled to descend the first axis by a preset distance, so that the smelting furnace rotates around the first axis by a second angle in the first rotating direction, and the smelting furnace rotates from the first inclined state to a second inclined state; and the push rod is controlled to rotate the smelting furnace around the first axis by a third angle in the first rotating direction, so that the smelting furnace rotates from the second inclined state to a third inclined state. Therefore, the problem that the falling point precision in the pouring and casting process of molten metal in the smelting furnace is difficult to guarantee due to overlarge height difference under the vacuum condition is solved.
Owner:SHENYANG RES INST OF FOUNDRY

A traffic cone tapered pitch storage and destacking device

ActiveCN120397591BSolve reliability challengesAvoid warehousing failure
This invention discloses a traffic cone gradual pitch storage and destacking device, comprising a gradual pitch storage device and a transfer and loading / unloading device. The gradual pitch storage device includes a drive motor, a storage rack, and a gradual pitch roller, which is rotatably mounted on a rear cargo platform. The grooves on the gradual pitch roller are adapted to the thickness of the bottom plate of the traffic cone. The gradual pitch roller is axially divided into a storage section and a destacking / unloading section. The destacking / unloading section is located at the end of the gradual pitch roller near the transfer and loading / unloading device. The pitch on the destacking / unloading section is a gradual pitch, increasing in the direction closer to the transfer and loading / unloading device, while the pitch on the storage section is a constant pitch. This invention achieves an integrated design of storage, transportation, and destacking / unloading functions, reducing costs and control complexity. Furthermore, the traffic cone is effectively limited throughout the storage, transportation, and destacking / unloading process, effectively preventing storage failures caused by vehicle movement or stress, resulting in good operational stability.
Owner:JIANGSU JITRI ROAD ENG TECH & EQUIP RES INST CO LTD

An automated warehouse rack

PendingCN122501640AReduce the number of round tripsShort job link
This invention discloses an automated warehouse racking system, belonging to the field of warehousing technology. It includes a storage rack and a railcar. The railcar is equipped with a lift, and the output end of the lift is equipped with a loading platform. The output end of the loading platform is equipped with an adjusting rod and a conveying assembly. The storage assembly includes a storage container and a lifting assembly, with several first electric rollers installed inside the storage container. This invention offers two operating modes: single-item direct retrieval and multi-item continuous retrieval. In scenarios involving scattered / urgent items, goods can be directly transferred via the conveying assembly without temporary storage via the storage assembly, resulting in a short operational chain and fast response speed. In scenarios involving batch operations, multiple items can be temporarily stored via the storage assembly, allowing for the retrieval of multiple items in a single round trip, significantly reducing the number of round trips by the stacker crane and improving overall operational efficiency.
Owner:CHANGSHU BEIYATE COMMERCIAL EQUIP CO LTD

Optical transmission system, optical fiber loop system and electronic device

The invention discloses an optical transmission system, an optical fiber loop system and electronic equipment, and relates to the technical field of optical transmission, and the optical transmission system comprises an isolation module which is connected with an output port of a first coupler and is used for receiving an optical fiber loop input signal; the first end of the hollow-core optical fiber is connected with the isolation module, and the hollow-core optical fiber is used for transmitting an optical fiber ring input signal; the feedback module is connected with the second end of the hollow-core optical fiber and is used for returning the input signal of the optical fiber ring to the hollow-core optical fiber; and the isolation module is also connected with the acousto-optic modulator and is also used for outputting the returned input signal of the optical fiber ring to the acousto-optic modulator. The fiber loop input signal is transmitted back and forth in the single-section hollow-core fiber, so that the equivalent transmission distance of the single-section hollow-core fiber is doubled, noise cumulants such as amplified spontaneous emission noise and nonlinear distortion are remarkably reduced, the signal transmission quality and the system stability are improved, and the system performance is improved. And the control difficulty of the acousto-optic modulator and the operation and maintenance complexity of the system are reduced.
Owner:PENG CHENG LAB

Freeze-drying method of lipid nanoparticles, freeze-drying preparation and application of freeze-drying preparation

The invention belongs to the field of biological pharmacy and pharmaceutical preparations, relates to a freeze-drying method of lipid nanoparticles, a freeze-drying preparation and application of the freeze-drying preparation, and particularly relates to a freeze-drying method capable of keeping the structural integrity and biological activity of the lipid nanoparticles and a high-quality and high-stability LNP freeze-drying preparation obtained through the method. By systematically optimizing the type of a freeze-drying protective agent, a buffer solution system and key freeze-drying process parameters and particularly adopting an innovative gradient cooling and freezing procedure, slow cooling and rapid phase change are realized, and a stable freeze-drying process which is insensitive to the initial state (such as liquid height, placement position in a freeze dryer and density) of LNP is found. The LNP freeze-dried preparation prepared by the process can perfectly maintain the original particle size distribution, Zeta potential and polydispersity index after being redissolved, and still can maintain extremely high nucleic acid encapsulation efficiency and biological activity after being stored for a long time, so that the stability and clinical application convenience of an LNP product are remarkably improved.
Owner:YAOHAI BIOTECHNOLOGY (BEIJING) CO LTD

A dosing device and dosing method

This invention discloses a dosing device and a dosing method. The dosing device includes a drug storage device connected to a dispensing pipe. A drug pump, a first pressure detection device, a flow detection device, and a terminal dosing system are sequentially connected to the dispensing pipe. The terminal dosing system includes a branch pipe connected to the dispensing pipe. A second pressure detection device, a manual ball valve, a first back pressure valve, a dosing mechanism, and a second back pressure valve are sequentially connected to the branch pipe. A terminal dosing port is connected to the end of the branch pipe. The dosing mechanism includes a piston fixing housing, within which a piston is slidably connected. This invention ensures that the entire dispensing pipe is filled with drug by controlling the pressure of the dispensing pipe. It can control the rotation speed of the drive device according to the different dosing flow requirements at each dosing point, achieving accuracy and stability of the drug dosage at each dosing point, and effectively reducing the difficulty of precisely adjusting the different drug dosages at multiple dosing points.
Owner:WUXI MUNICIPAL DESIGN INST +1

Mechanical arm and additive and subtractive composite 3D printing equipment

The invention provides a mechanical arm. The mechanical arm comprises a first joint, a second joint and a connecting joint. The first joint comprises a first spherical concave tooth end, the first spherical concave tooth end is provided with a plurality of grooves arranged in an array mode in the first direction and the second direction, and the first direction intersects with the second direction. The second joint comprises opposite first spherical convex tooth ends, the first spherical convex tooth ends are provided with a plurality of convex teeth arranged in an array mode in the first direction and the second direction, and the first spherical concave tooth ends are meshed with the first spherical convex tooth ends so that the convex teeth can be matched with the grooves; the connecting joint comprises a first connecting end and a second connecting end which are opposite to each other, the first connecting end is rotatably connected to the first spherical concave tooth end, and the second connecting end is rotatably connected to the first spherical convex tooth end, so that the first joint and the second joint are in limited connection. According to the mechanical arm provided by the invention, the manufacturing cost and the control difficulty of the mechanical arm are greatly reduced. The invention further provides additive and subtractive composite 3D printing equipment.
Owner:SHENZHEN TECH UNIV

A photovoltaic cleaning robot control method, system, device, storage medium

The present application relates to the technical field of photovoltaic module cleaning, and specifically relates to a photovoltaic cleaning robot control method, system, device and storage medium, wherein the method comprises: obtaining a preset trajectory; obtaining a control signal in the process of traveling; the control signal is used to update the traveling parameter, including a longitudinal control signal and a transverse control signal; when the longitudinal control signal is greater than a preset target longitudinal threshold, the target control mode is a first control mode, and a target master control signal is filtered out, including: if the longitudinal control signal is less than a first longitudinal threshold and the transverse control signal is greater than or equal to a first transverse threshold, the transverse control signal is taken as the target master control signal; if the longitudinal control signal is greater than or equal to a second longitudinal threshold and the transverse control signal is less than a second transverse threshold, the longitudinal control signal is taken as the target master control signal. The present application provides an efficient cooperation mechanism of constant speed cruise and manual intervention, which can greatly improve the cleaning efficiency of photovoltaic modules.
Owner:HUATIAN INTELLIGENT ROBOT (NANTONG) CO LTD

An energy central system

This invention relates to the field of overhead contact line electrified highway heavy trucks, and discloses an energy hub system including a pre-charging module, a first input regulator, a first bidirectional DC transformer, a second input regulator, and a second bidirectional DC transformer. A first end of the input side of the first input regulator is connected to a first output end of the overhead contact line, and the output side of the first input regulator is connected to the input side of the first bidirectional DC transformer. The output side of the first bidirectional DC transformer is connected to the pre-charging module. A first end of the input side of the second input regulator is connected to a second end of the input side of the first input regulator, and the second end of the input side of the second input regulator is connected to a second output end of the overhead contact line. The output side of the second input regulator is connected to the input side of the second bidirectional DC transformer, and the output side of the second bidirectional DC transformer is connected to the pre-charging module.
Owner:CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO LTD

Pressing and positioning tool

The utility model discloses a pressing and positioning tool, and relates to the technical field of automobile part welding. The positioning components are arranged on the bearing platform; the pressing module is rotationally arranged on the bearing platform, and the pressing module comprises at least one group of pressing components; and the driving module is arranged on the bearing platform, and the driving module is used for driving the pressing module to turn over so as to cover the positioning component, so that the pressing component can press the product positioned on the positioning component. During use, pressing points on the pressing components are adjusted in advance according to the to-be-pressed position of a product needing to be pressed and positioned, one pressing component corresponds to one set of positioning components, and when the product is positioned on the positioning components, the pressing module is driven by the driving module to act and turn over to cover the positioning components; and the pressing component can press the product positioned on the positioning component. Compared with traditional positioning and pressing, the whole pressing module is driven to act through one driving module, so that the pressing points can synchronously act on all positions of the product.
Owner:QINGYUAN MINHUI AUTO PARTS

A method for adaptive energy-saving driving mode control of new energy sanitation vehicles and new energy sanitation vehicles

PendingCN122078406Aavoid wastingSolve the problem of accelerated wearElectrodynamic brake systemsDriver/operatorNew energy
This invention discloses an adaptive energy-saving driving mode control method for new energy sanitation vehicles and a new energy sanitation vehicle. The method includes: acquiring the vehicle's real-time load status and superstructure operation status; determining a target driving mode by matching a preset driving mode mapping relationship based on the vehicle's real-time load status and superstructure operation status; if the current driving mode is inconsistent with the target driving mode, the vehicle controller automatically switches the current driving mode to the target driving mode. This invention pioneers adaptive driving mode control based on load status and superstructure operation status, solving the problems of energy waste and tire wear caused by the mismatch between power and load, adapting to the constant-speed, low-speed driving requirements of sanitation vehicles during cleaning operations, reducing the difficulty of driver control, and improving driving economy and safety.
Owner:ZHENGZHOU YUTONG HEAVY IND

magnetic levitation pump

This application relates to a magnetic levitation pump, which includes a pump casing, an impeller, a drive motor, and an axial drive assembly. The pump casing has spaced-apart pressurization chambers and motor chambers. The impeller is rotatably suspended in the pressurization chamber. The drive motor includes a rotor and a stator. The rotor is fixedly connected to the impeller, and the stator is disposed in the motor chamber. The stator and rotor cooperate to generate a rotating magnetic field that can rotate the impeller. The axial drive assembly includes a first magnetic ring and a first coil. The first magnetic ring is fixedly connected to the impeller, and the first coil is disposed in the motor chamber. The first coil and the first magnetic ring cooperate to adjust the axial force that levitates the impeller. This application provides a hardware foundation for independent control of the impeller's rotational speed and levitation height by using the cooperation between the stator and the rotor, and the cooperation between the first coil and the first magnetic ring. This allows the control of the impeller's rotational speed and levitation height to be controlled by two separate systems, eliminating the need for complex decoupling and reducing the difficulty of impeller control.
Owner:SHENZHEN CORE MEDICAL TECH CO LTD

A multifunctional cap unscrewing robot device for nucleic acid sampling robot system

The present application relates to a multifunctional cap unscrewing manipulator device for a nucleic acid sampling robot system, through multi-station test tube logistics, the cap unscrewing manipulator can realize test tube code scanning, cap opening and cap screwing and other functions, and the cap opening and cap closing are transposed, which can improve efficiency, separate the clean area and the sampled area, and sterilize the area to sterilize the manipulator, so as to effectively prevent test tube pollution problems; the connection between the cap unscrewing device and the lifting slide is achieved by adopting an upper and lower spring floating connection mode, so that the manipulator is in a balanced state when there is no cap unscrewing action, and the manipulator can follow the up and down forces during loosening or tightening to follow the action when there is cap opening or cap screwing, thereby reducing the control difficulty. The present application has the advantages of multifunction, flexible and compact structure, and the like, and can be applied in a fully automatic sampling robot system, can greatly improve the sampling efficiency, and can meet the requirements of large-scale sampling work; and the control difficulty of cap opening and cap screwing action is reduced.
Owner:SHANGHAI UNIV

Apparatus and system for weld quality detection

The embodiment of the present application provides a device and system for weld quality detection, and belongs to the technical field of welding. The device for weld quality detection comprises: a phased array ultrasonic transducer, which comprises a plurality of annularly arranged array elements for transmitting ultrasonic signals and receiving echo signals, any array element in the plurality of array elements is responsive to receiving an excitation signal and transmits the excitation signal to the array element adjacent to the any array element until the plurality of array elements all receive the excitation signal, and the plurality of array elements are responsive to receiving the excitation signal to sequentially transmit ultrasonic signals to the weld and receive echo signals corresponding to the ultrasonic signals; and a processor, which is electrically connected with the phased array ultrasonic transducer, and is configured to: acquire the echo signals received by the phased array ultrasonic transducer; and process the echo signals to complete the quality detection of the weld. The present application can reduce the control difficulty of the phased array ultrasonic transducer.
Owner:ZHONGKE YUNGU TECH

Battery management system, method and device, medium and unmanned aerial vehicle

The invention relates to the technical field of battery management, and discloses a battery management system, method and device, a medium and an unmanned aerial vehicle. The active equalization management circuit is electrically connected with the series battery pack and is used for collecting state information of the single batteries and executing bidirectional active equalization control on the series battery pack; the interface unit is used for establishing electric connection with external equipment; wherein the series battery pack and external equipment form a direct connection type main loop through the interface unit, and energy on-off control of the direct connection type main loop is realized through physical plugging of the interface unit. Energy on-off control is realized through physical plugging of the interface unit, an electronic power switch device is prevented from being arranged in a main loop, the design of the main loop is effectively simplified, and hardware complexity and control difficulty are reduced. And a direct connection type main loop is formed by the series battery pack and the external equipment, so that the number of intermediate devices in the main loop is reduced, the conduction loss is effectively reduced, and the energy transmission efficiency is improved.
Owner:DONGGUAN DALY ELECTRONICS CO LTD

Obstacle-crossing maintenance robot for overhead line and use method of obstacle-crossing maintenance robot

The invention provides an obstacle-crossing maintenance robot for an overhead line and a use method of the obstacle-crossing maintenance robot, and the obstacle-crossing maintenance robot can be used for obstacle-crossing maintenance of the overhead line and is convenient to operate, especially for a multi-split overhead line distributed in a polygonal mode. And the problems of slipping, insufficient stability and insufficient operation range of the robot in the walking process of the power transmission line can be solved. The robot comprises a machine base module, a walking module and a mechanical arm. The machine base module is provided with a walking module through a swing arm mechanism, the swing arm mechanism comprises a swing arm and a swing arm motor, the swing arm motor is installed on the walking module and connected with one end of the swing arm, and the other end of the swing arm is connected with the machine base module; the walking module further comprises a clamping mechanism, the clamping mechanism comprises a push rod assembly, a clamping base and a clamping driven wheel, and the push rod assembly is used for driving the clamping base to rotate and enabling the clamping driven wheel to be in an opened or closed state.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD RESEARCH INSTITUTE

Mobile robot multi-dimensional path planning method based on AROA improved optimization algorithm

The invention relates to a mobile robot multi-dimensional path planning method based on an AROA improved optimization algorithm, and the method comprises the steps: obtaining a task scene of a mobile robot, building a grid map model through the task scene, and marking a path starting point, a target point and obstacle information; constructing a multi-objective cost function, and performing path planning on the grid map model by adopting an improved optimization algorithm based on AROA; the improved optimization algorithm based on AROA is obtained by fusing an AROA optimization algorithm with a BKA optimization algorithm; in the path planning process, the multi-target cost function is used for calculating the path adaptability of population individuals, and the individual with the minimum path adaptability serves as the optimal path individual to be used for obtaining the optimal path of the mobile robot. The method can effectively solve the problem that the path planning of the mobile robot is easy to fall into local optimum and slow in convergence speed in a complex multi-dimensional environment, and the precision and engineering practicability of the path planning are remarkably improved.
Owner:GUANGDONG UNIV OF TECH

Five-degree-of-freedom hybrid magnetic bearing, motor and control method thereof

The application provides a five-degree-of-freedom hybrid magnetic suspension bearing, a motor and a control method thereof. The magnetic suspension bearing comprises an axial stator core, front and rear radial stator cores, first and second permanent magnet rings respectively arranged between the radial stator cores and the end portions of the axial stator core, the axial stator core comprises an axial stator yoke portion and first and second axial stator rings arranged on the axial stator yoke portion and extending in the radial direction of the axial stator yoke portion, the first and second axial stator rings are opposite to each other and a first annular space is formed between the first and second axial stator rings, the edge region of a rotating shaft thrust disc is located in the first annular space, and only a group of axial control coils is arranged in the first annular space. The application can realize adjustment and control of the axial position of the rotating shaft thrust disc by controlling only the group of axial control coils, the control logic is simpler, the length of the corresponding rotating shaft can be shortened, and the rotating speed of the rotating shaft is improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

A programmable machine vision light source control system and method

The application provides a programmable machine vision light source control system, comprising: a programmable controller, a plurality of trigger input channels, a plurality of light source drive channels and a plurality of camera drive channels are arranged on the programmable controller, the plurality of trigger input channels are used for receiving trigger signals, each light source drive channel is electrically connected with one light source, and each camera drive channel is electrically connected with one camera; a trigger channel distribution module is used for matching the trigger input channels with the light source drive channels and the camera drive channels respectively, each trigger input channel can be matched with one or more light source drive channels, and each trigger input channel is matched with only one camera drive channel; a light source state setting module is used for setting a light source state of each light source and a state serial number corresponding to the light source state, the light source state comprises an opening duration of the light source; a trigger module is used for receiving a trigger signal of the trigger input channel and the state serial number set by the light source state setting module and outputting the state serial number; and a light source pulse width modulation module is used for receiving the state serial number output by the trigger module and the light source state set by the light source state setting module and outputting corresponding light source states to the light source according to the received state serial number output by the trigger module.
Owner:东莞康视达自动化科技有限公司

A method for construction of a plane composite curve beam by incremental launching

ActiveCN116695587BSimplified wideningSimplify the reinforcement processHydro energy generationBridge erection/assemblyClassical mechanicsJackscrew
The present application relates to a kind of plane composite curve beam pushing construction method, the starting point and the end point of bridge pushing construction section are determined, make the circular curve through starting point and end point and the point on the axis of bridge pushing construction section, as pushing trajectory line;Along pushing trajectory line, temporary support pier is erected, and symmetrical step jack is arranged on the both sides of temporary support pier along pushing trajectory line;Guide beam and beam body section are successively assembled on the temporary support pier on the extension line of pushing trajectory line, and pushing construction is carried out according to the pushing method of simple circular curve bridge.The present application pushes according to the circular curve fitted from itself to the complex composite curve bridge, can widen box girder at a time, to simplify beam body widening process;Unified jack step distance, and the position and angle of jack are fixed in the whole process, can effectively reduce the control difficulty of jack in pushing process.
Owner:ROAD & BRIDGE INT CO LTD