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76results about How to "Resolve failure" patented technology

Central gas source for external load gas supply

The invention relates to the technical field of central gas sources, solves the problems that an existing central gas source is poor in output gas quality, tedious in system connection, low in integration level and inconvenient to assemble, and discloses a central gas source for external load gas supply, which comprises a pneumatic block, a compressor assembly, an ECU controller assembly and a dryer assembly. The compressor assembly is installed on the side face of the pneumatic block. The pneumatic block is of an integrally-formed structure, a switching valve set, an air valve set, an air inlet one-way valve, an air filter, a power limiting valve and a sensor assembly are integrated in the pneumatic block, and a valve seat for air inlet and exhaust and an air pipe connector are arranged in front of the pneumatic block. The ECU controller assembly is located on the rear end face of the pneumatic block and is parallel to the motor. The dryer assembly is located on the lower end face of the pneumatic block. And an external load inflation valve is also arranged in the pneumatic block. According to the invention, the integration level of the system is improved, external pipelines are reduced, the system structure is simplified, the installation and maintenance are more convenient, and the fault occurrence rate is reduced.
Owner:QINGYUE INTELLIGENT CONTROL (HANGZHOU) TECHNOLOGY CO LTD

Tunnel construction drilling mechanism

ActiveCN224413632Uresolve failureImprove mechanical sensitivityMechanical engineeringDrill bit
The utility model relates to a tunnel construction technology field especially relates to a kind of tunnel construction drilling mechanism, including support base, drill bit base, drilling drill bit and induction drill bit, drill bit base is provided in support base upper end, drilling drill bit is provided in drill bit base inside, induction drill bit is provided in the inside of drilling drill bit;Drilling drill bit is movably installed in drill bit base inside, and drilling drill bit is hollow structure, and induction drill bit is movably installed in the inside of drilling drill bit, contact head is provided in the front end of induction drill bit, and the edge of contact head is zigzag, and contact head and drilling drill bit front end are in same vertical position. In the utility model, drilling drill bit provides space for mechanical linkage, and the zigzag design of contact head enhances the mechanical sensitivity of induction drill bit to formation change, ensures that the resistance change is transmitted to induction drill bit, and by capturing the mutation signal of this rotating resistance, indirect induction to the front end of drill bit Real-time formation change can be realized, solve the problem of conventional inductor failure under high temperature environment.
Owner:CITIC CONSTR

A deep scanning method, electronic device, storage medium and program product

ActiveCN119520647BSolve the problem of system memory exhaustionSolve memory exhaustion problemTransmissionComputer hardwareEngineering
Embodiments of the present application provide a deep scanning method, an electronic device, a storage medium and a program product, the method comprising: receiving a first message request sent by a client; determining a first scanning state corresponding to the first message request according to the first message request; cyclically receiving an Nth message request sent by the client, changing the first scanning state to a second scanning state after scanning a cache file is completed; and in the case that the second scanning state is a scanning end, sending the cache file corresponding to the first message request to a server, adding a state machine for sensing a scanning state, used for maintaining a state and a corresponding operation of a scanning service, so that multiple message requests can be processed in a case of a long connection, and each scanning state is identified, the problem of invalid deep scanning service in a long connection multiple request scenario is solved, the scanning efficiency is improved, and the scanning time is reduced.
Owner:BEIJING TOPSEC NETWORK SECURITY TECH +2

A phase-shift full-bridge plasma power supply based on all-sic devices

PendingCN122512779AReduce Harmonic PollutionImprove power factor
This invention discloses a phase-shifted full-bridge plasma power supply based on all SiC devices, belonging to the field of special power supply technology. It includes: a rectifier unit with a power factor correction circuit; an inverter unit containing a phase-shifted full-bridge topology composed of SiC power devices and an energy storage inductor, achieving zero-voltage switching through phase-shift control; a transformer unit; an output unit including an output filter capacitor; and a control unit that uses an incremental PID algorithm to generate phase-shift control signals. This invention analyzes the differences in zero-voltage switching between the leading and lagging bridge arms, utilizes the low output capacitance characteristics and dynamic dead-time adjustment of SiC devices, broadens the soft-switching range under light loads, effectively reduces output current ripple, and improves dynamic response speed and overall efficiency.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Flapping mechanism with independently controllable start and end positions

ActiveCN117818876Bchange feature parametersChange the upper limit positionWith power amplificationOrnithoptersFlapping wingGear wheel
The application provides a flapping mechanism with independently controllable flapping start position, comprising a wing rod, a connecting rod A, a connecting rod linear servo, a motor gear, a connecting rod B, a transmission wheel A, a transmission wheel B, a swing rod connecting piece, a rocker connecting piece, a micro linear servo, a speed reduction motor, a fuselage support and a swing rod linear servo. The application generates active yawing torque by flapping difference of two sides of the wing surface, fundamentally solves the problem that the vertical tail fails in the case of low flow velocity, and also solves the problems of poor disturbance resistance and poor maneuverability of the flapping wing aircraft in the low speed case. In addition, in the gliding stage, the upwash angle of the two sides of the wing surface and the tail can be controlled respectively, so that more bionic, flexible and efficient gliding flight is realized. The sub-aircraft has the characteristics of flight attitude bionics, strong visual confusion, low flight noise and high efficiency, and can be used in outdoor close-range reconnaissance, high-altitude long-endurance surveillance reconnaissance, wild animal close-range video shooting and other task scenes, and has important significance and value in the future.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Intelligent monitoring method and system for sand and gravel concrete refrigeration equipment

This application discloses an intelligent monitoring method and system for sand and gravel concrete refrigeration equipment, relating to the field of intelligent equipment monitoring. It utilizes dual-channel sensors deployed in parallel inside and outside the air duct to collect mixed signals including airflow sound and ambient background noise. Through timestamp synchronization and adaptive background noise cancellation processing, the pure airflow friction sound signal is effectively extracted. Furthermore, specific modulation is generated on the high-frequency acoustic characteristics of the flowing air, and the acoustic roughness index is calculated by quantizing and extracting the microscopic roughness acoustic fingerprint from the high-frequency acoustic fingerprint feature spectrum. Based on this, the system monitors the acoustic fingerprint evolution trajectory, accurately determines the current frosting phase state, and generates optimized calibration control commands at the initial stage of frosting, realizing proactive defensive adjustment of the refrigeration unit, thereby solving the problems of monitoring failure and defrosting control lag in existing technologies.
Owner:SHENZHEN BROTHER ICE SYST

Clothes treating equipment and outer cylinder assembly thereof

The utility model provides clothes processing equipment and an outer cylinder assembly thereof, the outer cylinder assembly comprises an outer cylinder and a counterweight part, the outer cylinder comprises a front outer cylinder and a rear outer cylinder which are connected with each other, the front outer cylinder and / or the rear outer cylinder form a counterweight cavity, and an opening of the counterweight cavity is formed in the axial direction of the outer cylinder; the counterweight part is arranged in the counterweight cavity, and after the front outer cylinder and the rear outer cylinder are connected, the opening of the counterweight cavity is covered by the front outer cylinder and / or the rear outer cylinder. The front outer cylinder and the rear outer cylinder which are connected with each other are arranged, the balance weight cavity is formed after the front outer cylinder and the rear outer cylinder are connected, the balance weight piece is arranged in the balance weight cavity, and original structures such as an installation base and an installation bolt are omitted. On one hand, vibration and noise generated during rotation of the roller are reduced, and meanwhile the problem that a balance weight piece loses efficacy due to looseness or breakage of an installation bolt is effectively solved; on the other hand, the number of parts is reduced, and the advantages of reducing production cost, reducing installation steps, improving assembly efficiency and the like are achieved.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD

High-speed communication method based on embedded instrument

PendingCN121907948Aeasy to parseResponsiveTransmissionComputer architecturePool
The invention discloses a high-speed communication method based on an embedded instrument. The high-speed communication method comprises the following steps that S1, the instrument receives protocol data; s2, analyzing the protocol data, and extracting effective instructions in the protocol data; s3, setting an instruction buffer pool, and storing the effective instruction into the instruction buffer pool; s4, sending a protocol data receiving response to the test system; and S5, the instrument analyzes and responds to the effective instruction in the instruction buffer pool when the resource is idle, and then waits for receiving the instruction next time. According to the method, the cache thread is additionally arranged, so that temporary storage of the ASCII instruction after the instrument equipment completes VXI-11 unpacking is realized, and resource scheduling is facilitated to complete analysis and response of the ASCII instruction when the instrument is idle. Through the method, the instrument responds to the message when the resource is idle, and message blocking or instruction response failure caused by a high-priority task is avoided. The problems of instruction failure and error response during rapid receiving of instrument equipment during high-speed VXI-11 communication are effectively solved.
Owner:青岛艾诺仪器有限公司

Sealing structure of high-speed magnetic levitation permanent magnet motor

The utility model relates to the technical field of sealing structure discloses a sealing structure of high -speed magnetic suspension permanent -magnet motor, including motor casing, seal ring, and motor casing includes end cover, and the end cover includes the first cooperation hole for making motor output shaft to penetrate its own, wherein, the gland is equipped with on the end cover, and the gland is detachably connected with the end cover, and the seal ring is located between the end cover and the gland, and the gland is equipped with the second cooperation hole for with the first cooperation hole intercoordination. Through the above technical scheme, the problem that the sealing ring (carbon ring) is replaced in the prior art and is easy to cause the sealing ring between the motor end cover and the motor casing to fall off is solved.
Owner:HUADIAN NINGXIA LINGWU POWER GENERATION CO LTD +1

A test method for evaluating the resistance of reinforced plastics to the penetration of chemical solvents

ActiveCN121994680Bsolve stressSolve the problem of crack opening timing misalignmentWeather/light/corrosion resistancePermeability/surface area analysisViscous dampingCrazing
The present application relates to the technical field of material performance testing, and discloses a kind of test methods for evaluating the chemical solvent penetration resistance of reinforced plastic, comprising the following steps: constructing inverse transfer function to compensate platform lag, using historical strain data to predict the starting time of microcrack opening in the next cycle, combining platform inherent delay to calculate instruction sending time, based on stiffness attenuation rate calculated in real time to adaptively adjust the best disturbance frequency, using inverse transfer function to generate modified disturbance instruction and superimposed injection, deducting fluid viscous damping work previously calibrated from single cycle data to obtain effective dissipation density, determining failure end point based on the second derivative change of effective dissipation density sequence.The present application realizes the time synchronization of pressure wave and crack opening through prediction feedforward strategy, maintains deep penetration driving force using adaptive disturbance, and eliminates fluid damping interference through energy decoupling mechanism, improving the authenticity and result accuracy of stress-assisted solvent penetration test.
Owner:NINGBO RUILONG NEW MATERIAL TECH CO LTD

Switching control circuit, chip and electronic device

The present disclosure provides a switch control circuit, a chip and an electronic device, wherein the switch control circuit comprises a first transistor, a second transistor, a third transistor, an enable logic circuit, a first control circuit, a second control circuit, a slope control circuit and a feedback control circuit, the control electrode of the first transistor is controlled by the first control circuit, the first control circuit controls the opening and closing of the first transistor; the control electrode of the second transistor is controlled by the second control circuit, the second control circuit controls the opening and closing of the second transistor; the control electrode of the third transistor is controlled by the slope control circuit, the slope control circuit controls the rising slope of the AVDD voltage by setting the capacitance value of the capacitor array; the enable logic circuit controls the opening and closing of the first control circuit, the second control circuit and the slope control circuit according to the enable signal and the feedback signal.
Owner:SG MICRO CORP

A high-power battery tab welding reinforcement structure

The utility model discloses a kind of high-power battery tab welding reinforcement structures, belong to battery manufacturing technical field.The structure includes the reinforcing assembly of elastic tooth engagement reinforcement to tab and busbar welding place, and the fixed component for locking the reinforcing assembly.The reinforcing assembly is engaged by the tooth-shaped block in inside and the tooth-shaped groove on welding piece, and utilizes spring to exert elastic pressure;Fixed component is stabilized locking by clamping rod mechanism.The utility model solves the problem of insufficient welding point connection strength, easy to loosen and fall off in prior art by double reinforcement mode, significantly improves the mechanical strength and reliability of connection.
Owner:KIJO POWER (XINYU) CO LTD

A low-voltage distribution area equivalent inertia evaluation method

PendingCN122594698AAvoid noise amplification effectsCorrect the principle deviation
The application discloses a kind of equivalent inertia evaluation methods of low-voltage distribution area, it is related to electric power distribution field, by obtaining the distributed multi-dimensional characteristic parameter of low-voltage distribution area, carry out variation modal decomposition and filter effective modal data and carry out superposition processing to obtain multi-dimensional characteristic reconstruction vector, to multi-dimensional characteristic reconstruction vector carry out Kalman filter correction, and based on the best state of Kalman filter correction carries out vector derivation to obtain multi-dimensional physical quantity derivative value, obtains the equivalent conductance and equivalent susceptance of low-voltage distribution area and constructs full-coupling impedance identification model, to multi-dimensional physical quantity derivative value carries out dynamic impedance identification processing, obtains dynamic impedance parameter, according to equivalent conductance and equivalent susceptance carries out internal equivalent frequency calculation, based on calculation carries out inertia parameter differential observation and evaluation processing, obtains the equivalent inertia evaluation data of low-voltage distribution area. With the effect of realizing the accurate quantification of low-voltage distribution area inertia, provide decision basis for frequency stability control.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Separable double-layer bottle body

ActiveCN224171427Uresolve failureGuaranteed one-piece assemblyCapsBottlesBottleSingle chamber
The utility model discloses a separable double-layer bottle body, which belongs to the technical field of packaging bottles, and comprises an upper cover used for separating and storing partial components, a middle cover used for being matched and assembled to realize a sealing effect, and a bottle body used for storing residual components, the upper cover is movably mounted at the upper end of the middle cover, and the bottle body is movably mounted at the lower end of the middle cover; the bottom of the middle cover is provided with a communication opening used for communicating the upper cover with the bottle body through adjustment. The structure for communicating the upper cover with the bottle body by adjusting the communicating opening is arranged at the bottom of the middle cover, so that different components can be separated for sealed storage on the basis that the communicating opening is closed by the upper cover, and the upper cover can be manually adjusted to enable the communicating opening to communicate with the upper cover and the bottle body when necessary; and the problem that a traditional sealing bottle can only completely mix and store all the components in a single cavity, and part of the components lose efficacy due to the fact that part of the components are mixed in advance is solved.
Owner:吴宇鑫

A connector

This invention relates to a connector, comprising an inner housing and an outer housing movably fitted onto the inner housing in a front-to-back direction. A ferrule is disposed within the inner cavity of the inner housing, and an optical fiber is mounted within the ferrule in the front-to-back direction. A positioning seat is located at the rear end of the ferrule, and a push spring is located at the rear end of the positioning seat to provide a forward pushing force to the ferrule. A limiting seat is inserted at the rear end of the inner housing to limit the push spring within the inner housing. The connector has a rear housing at its rear end, connected to the inner housing and for the optical fiber to pass through. The rear housing contains a cavity for accommodating the optical fiber and allowing the optical fiber to bend during connector mating. The connector of this invention has a rear housing with a cavity at its tail end. When the number of optical fiber cores inserted inside the connector is large or the bending space inside the connector is small, the optical fiber can bend and retract within the cavity of the rear housing, ensuring the reliability of connector mating.
Owner:AVIC OPTOELECTRONICS (GUANGDONG) CO LTD

Cofferdam construction structure of conical prefabricated caisson foundation and construction method thereof

The application provides a cofferdam type construction structure of a conical prefabricated caisson foundation and a construction method thereof. The conical prefabricated caisson foundation comprises a conical bottom caisson constructed in a dry dock, and a conical side wall coaxially arranged in a central region and constructed in a wet dock. A water stop connecting member is arranged on the top of the conical bottom caisson and surrounds the periphery of the conical side wall. A cofferdam main body is arranged on the top of the water stop connecting member, and the cofferdam main body comprises a bottom initial section which is installed in the dry dock. By using the construction scheme of sitting on the bottom and increasing the height in the wet dock, the safety risks of overturning, failure of mooring system and damage of facilities during the construction of the traditional floating pouring method in the typhoon period are fundamentally solved, and the stability and safety of the caisson height increasing process are significantly improved. By arranging the cofferdam main body which is installed in stages, the stability of the caisson during the two floating processes of floating to the wet dock and floating to the pier position is ensured, and a whole-process dry operation environment is provided for the caisson sitting on the bottom and increasing the height in the wet dock.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD

Laminating process of cold plate and heating film

PendingCN121756612ASolve the bubblesimprove performanceFirming agentAdhesive glue
The invention relates to a pressing process of a cold plate and a heating film. The pressing process comprises the following steps: mixing glue and a curing agent according to a mass ratio of (100: 1)-(110: 1); the cold plate is subjected to area covering in a closed environment, and then water-based glue is sprayed; baking the glued cold plate at 50-60 DEG C for 3-5 minutes to form a glue film; the heating film is attached to the adhesive film within 1-2 min, the adhesive film is placed in a profiling clamp to be rolled and exhausted, and appearance inspection and air tightness detection are conducted; staged hot pressing treatment is conducted, specifically, hot pressing is conducted for 4 min to 7 min at the temperature of 50 DEG C to 55 DEG C under the pressure of 2.3 MPa to 2.6 MPa, and then heat curing is conducted for 4 min to 7 min at the temperature of 100 DEG C to 110 DEG C under the pressure of 2.8 MPa to 3.2 MPa; and finally, standing at normal temperature to obtain a finished product. According to the process, a medium of an existing cold plate integrated heating film is replaced with the water-based glue, efficient integration of the cold plate and the heating film is achieved through the precisely-controlled pressing process, and the reliability and performance of a product are improved.
Owner:DONGGUAN GUI XIANG INSULATION MATERIAL CO LTD

Digital twin model management method and system based on behavior analysis

The invention relates to the technical field of computers, and discloses a digital twin model management method and system based on behavior analysis. The method comprises the following steps: acquiring a historical behavior sequence and real-time sensing data of a target object, and respectively encoding the historical behavior sequence and the real-time sensing data into a first behavior representation vector and a second behavior representation vector; a behavior driving model composed of a behavior state observer, an environment disturbance compensator and an intention inference engine is constructed, and behavior state probability output and intention inference are achieved; generating a regulation and control instruction set of minimum intervention and risk avoidance and issuing and executing the regulation and control instruction set; feedback data increment is collected to update model parameters, and closed-loop optimization is achieved. According to the method, through multi-dimensional behavior feature fusion and an environment adaptive compensation mechanism, the prediction precision, the decision-making efficiency and the sustainable evolution ability of the digital twin model under complex working conditions are significantly improved.
Owner:QILU NORMAL UNIV

Automatic spectrograph debugging device and method

The invention provides an automatic spectrograph debugging device and method, and the device comprises a standard light source module which is used for providing a reference light signal with a known characteristic spectral line for a to-be-debugged spectrograph; the grating adjusting mechanism comprises an electric rotary displacement table and a linear displacement table, the electric rotary displacement table is used for driving a grating in the spectrometer to rotate around a shaft so as to adjust wavelength accuracy, and the linear displacement table is used for translating the grating in the light path direction so as to adjust spectral resolution; the spectrum acquisition module is used for acquiring spectrum data processed by the spectrograph in real time; a reference spectrum is excited through a multi-spectral-line standard light source, the peak position and the full width at half maximum are accurately extracted by adopting spline interpolation, an electric rotary displacement table and a linear displacement table are driven to perform two-dimensional closed-loop adjustment on a grating, and the wavelength-pixel non-linear mapping correction and convergence criterion are combined, so that the resolution of the grating is improved. And full-automatic high-precision calibration of wavelength accuracy and spectral resolution is realized.
Owner:HANGZHOU BOQING ENVIRONMENTAL PROTECTION TECH CO LTD

Dynamic environment adaptability evaluation system for power generation efficiency of photoelectric curtain wall

The invention discloses a dynamic environment adaptability evaluation system for the power generation efficiency of a photoelectric curtain wall. The dynamic environment adaptability evaluation system adopts a three-layer framework of'multi-source perception-dynamic modeling-self-adaptive evaluation '; the system comprises a sensing layer which is a multi-dimensional sensing network, comprises optical, thermal, electrical and environment sensing modules, and is used for collecting real-time data of a photoelectric curtain wall and a surrounding microenvironment; the analysis layer is a self-adaptive model engine, comprises a photoelectric curtain wall-microenvironment coupling digital twin model and a hybrid machine learning self-adaptive evaluation module, and is used for calculating dynamic power generation efficiency, performing short-term prediction and anomaly detection and generating a dynamic datum line; the application layer comprises an evaluation and decision module and is used for realizing dynamic efficiency evaluation, fault diagnosis and output optimization suggestions; according to the method, through multi-source data fusion and dynamic modeling, accurate, real-time and adaptive evaluation of the power generation efficiency of the photoelectric curtain wall is realized, and the operation and maintenance efficiency and the power generation performance of the photoelectric curtain wall are effectively improved.
Owner:WUXI HENGSHANG DECORATION ENG CO LTD

Flexible tactile sensor based on functional substrate, preparation and intelligent perception system

PendingCN122651178AReduce reflection lossReduce transmission loss
The application discloses a flexible tactile sensor based on a functional substrate, preparation and an intelligent sensing system. The sensor takes an elastomer matrix doped with mechanical luminescent micro-nanoparticles as a functional substrate, discards a traditional non-functional inert substrate, directly constructs a flexible transparent electrode and a photoelectric conversion function stack on the surface, and forms a vertical structure without medium separation. The structure not only greatly reduces the modulus of the device, realizes close conformal coating on a complex curved surface, but also significantly improves the photoelectric coupling efficiency and sensitivity. The intelligent sensing system comprises a special signal conditioning circuit and an intelligent decision center. By configuring a programmable action threshold library and a multi-mode discrimination logic, the system can realize unmanned aerial vehicle dark field tactile priority control, robot dynamic slip detection and structure impact energy evaluation. The application solves the problems of poor flexibility of traditional devices and low system integration, and is suitable for the field of self-powered dynamic pressure sensing.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA +1

Valve body assembly applied to lifting hydraulic system, lifting hydraulic system and vehicle

ActiveCN224717941USimplify the layout processSimplify the assembly process
The utility model provides a kind of valve body assembly applied to lifting hydraulic system, lifting hydraulic system and vehicle.The valve body assembly includes lifting main valve, and lifting main valve includes: valve core, the first interface of valve core is communicated with the pressure oil port P of lifting main valve by main oil circuit;Pilot oil circuit, the first end of pilot oil circuit is communicated with main oil circuit;The second end of pilot oil circuit is communicated with the first control end of valve core by first control oil circuit, first electric control valve is arranged on first control oil circuit, first electric control valve has the first default state of disconnecting first control oil circuit, and, the first working state of conducting first control oil circuit, when first control oil circuit is in first working state, valve core is in lifting state.The valve body assembly in the embodiment cancels conventional gas control mode, directly uses electric control liquid mode, can solve the problem that gas circuit is frozen under low temperature in relevant technology and leads to failure, enhances the reliability of system.
Owner:SHANGHAI YIAO TECH CO LTD

Feed lactic acid bacteria additive and preparation method thereof

ActiveCN121986869APrevent viable bacterial counts from declininggood synergyFood processingAnimal feeding stuffBiotechnologyCarrageenan
The invention relates to the technical field of microbial feed additives, and discloses a feed lactic acid bacteria additive and a preparation method thereof.The preparation method comprises the steps that lactobacillus plantarum and / or enterococcus faecalis are / is used as strains for activation and expanding culture, agricultural and sideline product waste is used as a substrate for liquid-state deep fermentation, and mature fermentation liquor is obtained; mixing the mature fermentation liquor with a composite protective agent containing double essential oil, chitosan, theabrownin and porous silicon dioxide, granulating, and pre-drying at low temperature to obtain a semi-dry particle core; and coating with kappa-carrageenan / konjac glucomannan / phytosterol ester composite gel, drying and packaging to obtain a finished product. The double essential oils, the chitosan and the theabrownin are combined to form a full-spectrum active antibacterial system; the elastic composite gel outer layer realizes dual protection of liquid water and water vapor; porous silicon dioxide actively maintains low water activity of particles to prevent lactic acid bacteria from being recovered in advance; the product has the advantages of high viable count, strong heat and acid resistance and excellent storage stability.
Owner:JILIN UNIVERSITY

Multi-source redundant time synchronization method and system of intelligent driving system and application

The invention belongs to the technical field of intelligent driving, and provides an intelligent driving system multi-source redundant time synchronization method and system and application, and the method comprises the steps: constructing three levels of redundant time sources which are arranged in a descending order according to priorities; after the intelligent driving system is powered on, the effectiveness of time sources is detected according to the priority sequence, double-source matching operation is executed, the effective time source with the highest priority is selected as a time service main source, and the time service main source is locked and not switched in the power-on period; an area controller is bypassed through an end-to-end direct connection synchronization mechanism, and a high-precision time synchronization full link is directly established with an intelligent driving area controller; and after power-off, the synchronization time of the intelligent driving domain controller is written into the nonvolatile memory, so that the continuity of the system time is maintained based on the third-level source when both the first-level source and the second-level source fail. According to the invention, the time synchronization effect of full-scene time continuity, high precision and no jump / conflict at the source end can be realized.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

A connector

ActiveCN116299878Bresolve failureSolve the problem of cantilever breakageCoupling light guidesCantilevered beamMechanical engineering
This invention relates to a connector, comprising an inner housing and an outer housing movably fitted onto the inner housing in a front-to-back direction. A ferrule is disposed within the inner cavity of the inner housing, and a positioning seat is provided at the rear end of the ferrule. A push spring for providing a forward pushing force to the ferrule is provided at the rear end of the positioning seat. A limiting seat for limiting the push spring within the inner housing is inserted at the rear end of the inner housing. The connector also includes a rear housing, which has a connecting feature, and the inner housing has an adapting connecting feature. The connecting feature and the adapting connecting feature cooperate to allow the inner housing to be inserted into the rear housing in a direction perpendicular to the front-to-back direction, with the rear housing abutting against the limiting seat to fix the limiting seat within the inner cavity of the inner housing. In this invention, the inner housing and the rear housing adopt a radially interlocking installation method, eliminating the need for a cantilever beam structure. The limiting seat is entirely placed within the inner cavity of the inner housing and fixed by the rear housing, thus external forces are no longer transmitted to the limiting seat, fundamentally solving the problems of snap-fit ​​failure and cantilever breakage.
Owner:AVIC OPTOELECTRONICS (GUANGDONG) CO LTD

Ship Intelligent Engine Room Signal Acquisition and Analysis System

This invention relates to the technical field of ship systems, specifically to a ship intelligent engine room signal acquisition and analysis system, including a signal acquisition module, a reconstruction and fusion module, a safety domain calculation module, a safety margin prediction module, and a graded response module. The signal acquisition module is used to synchronously acquire multi-source time-series signals of the ship's power system; the reconstruction and fusion module constructs a joint state vector; the safety domain calculation module calculates the safety domain volume of the ship's power system at the current moment; the safety margin prediction module outputs the remaining safety margin of the system; and the graded response module is used to execute graded early warning or control actions based on the remaining safety margin of the system. In the deeply coupled control scenario of a ship's intelligent engine room, this invention achieves real-time, quantitative, and forward-looking assessment and proactive safety protection of the stability state of a high-dimensional nonlinear system, laying a crucial safety foundation for intelligent ship navigation.
Owner:HANGZHOU HAICHUANGAUTOMATION CO LTD

Preparation method of immunoglobulin powder and application thereof

PendingCN122255259Aresolve failureretain activityPowder deliveryMilk immunoglobulinsMilk SerumIntravenous gammaglobulin
The present application relates to a kind of preparation method of immunoglobulin powder and its application, the preparation method includes the following steps: collecting bovine colostrum, using cell survival technology is frozen;Frozen bovine colostrum is thawed, carries out milk fat separation, and obtains defatted bovine colostrum;Defatted bovine colostrum and composite rennet are mixed and are curdled, and then broken, obtain whey;The composite rennet includes aspartic protease, papain and bromelain;Whey is ultrafiltrated, and immunoglobulin solution is obtained;Immunoglobulin solution is vacuum freeze-dried, and the immunoglobulin powder is obtained.The preparation method provided by the present application is low temperature all the way, the activity of immunoglobulin is retained to the greatest extent, the use of composite rennet solves the problem of curd failure, and each link cooperates to improve the curd effect, realizes the preparation of high-efficiency, high-purity and high-quality immunoglobulin powder.
Owner:INNER MONGOLIA MENGNIU DAIRY IND (GROUP) CO LTD

Self-cleaning coal conveying inspection robot

The utility model relates to the technical field of inspection robots, and discloses a self-cleaning coal conveying inspection robot which comprises a hanging rail, a connecting arm is slidably connected in the hanging rail, a supporting block is fixedly connected to one side of the connecting arm, an inspection head is arranged in the supporting block, a cleaning assembly is arranged on one side of the supporting block, and the cleaning assembly is fixedly connected with the hanging rail. The cleaning assembly is used for the self-cleaning robot and comprises a fixing plate, the fixing plate is fixedly connected to one side of the supporting block, a collecting assembly is arranged at the bottom of the supporting block, and the collecting assembly is used for collecting cleaned dust. When the transmission rod swings, the rubber scraping brush further swings left and right synchronously in the first connecting frame and the second connecting frame, so that the effect of automatically cleaning the inspection head is achieved, the problem of sensor failure caused by coal dust attachment is solved, and the reliability of continuous monitoring of the coal conveying system is improved.
Owner:宁夏京能宁东发电有限责任公司

Remote control driving safety control method and device, medium and vehicle

The invention relates to the technical field of remote control driving safety control, and particularly discloses a remote control driving safety control method and device, a medium and a vehicle. The method comprises the following steps: firstly, fusing three types of sensor data acquired by an image, a first point cloud device and a second point cloud device, and carrying out time-space synchronization and coordinate system unification on the three types of sensor data; then, whether a medium causing interference on the detection capability of the first point cloud acquisition equipment exists or not is identified based on the image, an untrusted area is divided from the first point cloud data according to the medium, and second point cloud data with better revealing performance is preferentially used in the area to carry out obstacle detection; in other areas, first point cloud data with higher precision is preferentially used for detection; and finally, integrating the two detection results to determine the position and the form of the obstacle so as to generate a vehicle motion control instruction, thereby improving the sensing reliability and the driving safety in complex fire scenes such as dense smoke.
Owner:CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE