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103results about How to "Avoid burden" patented technology

Remote surgical robot control system based on force feedback handle and control method thereof

The invention relates to the technical field of force feedback handles, in particular to a remote surgical robot control system based on a force feedback handle and a control method thereof. The method comprises the following steps: carrying out multi-dimensional force data acquisition on an end effector of the surgical robot, and carrying out contact force size, direction and time sequence feature extraction to obtain multi-dimensional force feature data; performing surgical operation safety baseline analysis according to the multi-dimensional force feature data to generate surgical operation safety baseline data; performing dynamic force feedback threshold calculation according to the surgical safety operation baseline data to obtain force feedback threshold range data; and performing adaptive compression processing on different force feedback signals according to the force feedback threshold range data to obtain dynamic force feedback control parameters. Through real-time control instruction optimization and a closed-loop feedback strategy, the system can quickly respond to an operation intention, early warning is carried out on potential risks, and it is ensured that the operation process is safer and more reliable.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Video stream non-perception encryption and decryption method and system based on IP protocol

The invention discloses a video stream non-perception encryption and decryption method based on an IP (Internet Protocol). The method comprises the following steps: acquiring a plaintext data stream, splitting the plaintext data stream into data packets, transmitting the data packets by using a UDP (User Datagram Protocol), introducing a forward error correction code, recombining the transmitted data packets, and generating an original plaintext video stream; carrying out network flow feature extraction on the plaintext data flow to obtain network flow features, carrying out load optimization to obtain a first network flow feature, carrying out encryption by using an encryption algorithm, and attaching an authentication tag to the end of the encrypted first network flow feature to obtain a second authentication tag; embedding the encrypted first network traffic feature into a data packet of the original plaintext video stream to obtain an encrypted data packet; the authentication tag is recalculated and compared with the second authentication tag, and the encrypted data packet is decrypted by using the corresponding key to obtain the original plaintext video stream after recombination, so that network attack can be effectively prevented, and the security of video transmission is guaranteed.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Maximum oxygen uptake evaluation method and system

The embodiment of the invention provides a maximum oxygen uptake evaluation method and system. The maximum oxygen uptake evaluation method comprises the steps that physiological information of a user is obtained; based on a heart rate sensor assembly and an inertial sensor assembly, motion information and heart rate information of the user in the test motion execution period are collected; calculating the metabolic equivalent weight of the user based on the physiological information, the motion information and the heart rate information; and calculating and determining the maximum oxygen uptake of the user based on the metabolic equivalent and the heart rate information. The maximum oxygen uptake evaluation method provided by the invention is used for quickly and accurately evaluating and determining the maximum oxygen uptake of the user.
Owner:THE QUARTERMASTER RES INST OF THE GENERAL LOGISTICS DEPT OF THE CPLA

Non-intrusive digital power grid asset identification method and system based on deep learning

The invention discloses a non-intrusive digital power grid asset identification method and system based on deep learning, and relates to the technical field of asset security management and control, and the method comprises the steps: collecting network flow data, and carrying out the data preprocessing of original data; building a first model based on the network traffic data; and performing asset decision on the equipment through a first method. According to the non-intrusive digital power grid asset identification method based on deep learning provided by the invention, by passively monitoring the network traffic instead of actively sending the packet, the extra burden and security risk caused to the operation of the power grid are avoided, the recurrent neural network RNN is selected as a core model, the time dependence and periodic change in the network traffic are effectively captured, and the identification accuracy of the assets of the power grid is improved. Compared with the prior art, the method has the advantages that strong technical support is provided for asset identification, the One-Hot coding feature engineering technology is adopted, the generalization ability of the model is improved, the Moore voting mechanism is introduced to carry out final asset decision making, convenience and flexibility are improved, and better effects are achieved in the aspects of safety, generalization ability and flexibility.
Owner:GUIZHOU POWER GRID CO LTD

Tool for drilling micro-current motor end cover

The invention discloses a tool for drilling a micro-current motor end cover, and relates to the technical field of motor end cover machining. A lifting platform is arranged above the bearing base, and the lifting platform is used for mounting a cutter type cutting machine for drilling holes in the end cover; a driving cavity is formed in the bearing base, a protection mechanism is arranged in the driving cavity, and the protection mechanism comprises a shielding sliding seat; a positioning mechanism is arranged in the middle of the top face of the bearing base. According to the tool for drilling the end covers of the micro-current motor, the end covers of different specifications are positioned in a self-locking mode through the positioning mechanism above the bearing base, and a cutter type cutting machine following the lifting platform can trim and machine drilled holes; and a shielding sliding seat and an overturning type arc plate of the protection mechanism can block splashing metal chips in the drilling process, and the metal chips are collected and discharged outwards through the conveying mechanism, so that the efficiency of drilling and cutting operation is improved.
Owner:TAIZHOU ENHUI INTELLIGENT TECHNOLOGY CO LTD

Undercarriage structure of unmanned aerial vehicle

ActiveCN222179817UFix the problem of not being able to stop quicklyAvoid shaking or even fallingAlighting gearUncrewed vehicleStructural engineering
The utility model relates to the technical field of unmanned aerial vehicle accessories, in particular to an unmanned aerial vehicle undercarriage structure which comprises a mounting plate used for being connected with the bottom of an external unmanned aerial vehicle and four supporting cylinders, cylindrical mounting protrusions are arranged at the four corners of the mounting plate, and magnetic attraction blocks are mounted at the tops of the interiors of the mounting protrusions. The upper end of the supporting cylinder is inserted into the mounting bulge and is provided with an adsorption sheet with magnetic attraction; according to the unmanned aerial vehicle damping device, the defect that the unmanned aerial vehicle cannot be quickly static due to springback of a spring after damping is overcome, so that the phenomenon that the unmanned aerial vehicle shakes and even falls down due to springback of the spring is avoided, the air pressure in the buffer cavity can be automatically and correspondingly adjusted according to potential energy generated when the unmanned aerial vehicle descends through the arrangement of the adjusting plug, and the safety of the unmanned aerial vehicle is improved. And meanwhile, through the arrangement of magnetic attraction blocks, all parts used for supporting can be conveniently detached from the mounting plate, namely the unmanned aerial vehicle, and therefore the unmanned aerial vehicle and the undercarriage can be conveniently stored.
Owner:FUJIAN CORBETT AVIATION TECH CO LTD

Memory management method and device, computer equipment and storage medium

The invention relates to the technical field of computers, and discloses a memory management method and device, computer equipment and a storage medium, which are applied to a baseboard management controller, the method comprises the following steps: acquiring historical memory use data of the baseboard management controller; generating a memory usage data prediction model based on the historical memory usage data; in each preset period, inputting the memory usage data of the previous preset period of the substrate management controller into the memory usage data prediction model, and obtaining a predicted value of the memory usage data of the current preset period; based on the predicted value of the memory usage data, pre-allocating memory resources; acquiring load information of the substrate management controller; and adjusting the pre-allocated memory resources based on the load information. According to the load information of the substrate management controller, the memory resources are dynamically allocated, and the use efficiency of the memory resources is improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Sodium ion battery heat dissipation mode regulation and control method suitable for multiple scenes

The invention relates to the technical field of sodium ion battery heat dissipation regulation and control, in particular to a sodium ion battery heat dissipation mode regulation and control method suitable for multiple scenes. According to the method, the corresponding temperature partition information is obtained by analyzing the battery working data, the heat dissipation mode setting information is obtained by analyzing the temperature partition information, the corresponding boundary buffer area can be obtained through the heat dissipation mode setting information, slow execution of heat dissipation mode switching can be performed at the critical point through the boundary buffer area, and the heat dissipation efficiency is improved. The situation that the system burden is increased due to sudden heat dissipation mode switching is avoided, and impact on the battery is reduced; according to the invention, the battery temperature data of the sodium ion battery is obtained, the local overheating abnormal information is obtained by analyzing the battery temperature data, the corresponding heat dissipation demand information is obtained by analyzing the local overheating abnormal information, and the local heating abnormity of the battery can be obtained according to the heat dissipation demand information. And a corresponding heat dissipation strategy is generated according to the local heating abnormity, so that the heat dissipation protection of the battery is optimized.
Owner:JIANGSU CHUANYI SODIUM TECH CO LTD

Waste heat recovery cyclic heating system

The utility model discloses a waste heat recovery circulating heating system, which belongs to the technical field of waste heat recovery, and adopts the technical scheme that the waste heat recovery circulating heating system comprises a waste heat recovery box, a heating mechanism is arranged in the waste heat recovery box, a filter box is arranged on the front side of the waste heat recovery box, and a water injection hopper is arranged at the top of the waste heat recovery box; the heating mechanism comprises a waste gas bin, a water storage bin and an exhaust pipe, the rear side of the exhaust pipe sequentially penetrates through the waste heat recovery box and the water outlet bin and fixedly communicates with the interior of the waste gas bin, the waste gas bin and the water storage bin are both arranged in the waste heat recovery box, and the rear side of the filter box fixedly communicates with the front side of the exhaust pipe; the problems that an exhaust position of an existing device for preheating and recycling waste gas and then heating water is not provided with a filtering structure, waste gas obtained after waste heat recycling and utilization is not filtered and then discharged, air pollution is caused, burden is caused to ecological environment protection work, and therefore the using effect is affected are solved.
Owner:安徽亘宏新能源科技有限公司

Air suction device for seat ventilation system

The invention belongs to the technical field of automobile parts, and discloses an air suction device for a seat ventilation system, which comprises a sealing assembly, an air suction assembly is mounted on the inner wall of the sealing assembly, a driving assembly is mounted on the outer wall of the sealing assembly, and a filtering assembly is mounted at the top of the driving assembly. The driving assembly is connected with the air suction assembly and the filtering assembly, the sealing assembly comprises a first mounting sleeve, a plurality of partition boards are annularly arranged on the inner wall of the first mounting sleeve, first connecting shafts are fixedly connected to the outer walls of the partition boards, and the ends of the first connecting shafts penetrate through the first mounting sleeve and are rotationally connected with the first mounting sleeve; according to the design, the ventilation holes of the air suction device can be sealed, and the situation that after the air suction device stops working, dust is attached to the surfaces of fan blades in the air suction device, burden is increased for rotation of the fan blades, and consequently energy consumption of the air suction device is increased and ventilation efficiency is reduced is avoided.
Owner:JIANGSU XUANYU TECH CO LTD

Metallized film capacitor health state assessment method, system, medium and equipment

The invention discloses a metallized film capacitor health state assessment method and system based on audible noise signal analysis, a medium and equipment, and the method comprises the steps: building a discharge noise monitoring experiment loop; the metalized film capacitors in different health states are detached and connected to the discharge noise monitoring experiment loop; an alternating current and direct current superposition voltage experiment is carried out in the discharge noise monitoring experiment loop, the temperature of the metallized film capacitor in different health states is kept at 25 DEG C constantly in the experiment process, after pressurization is completed, noise waveforms are collected for 10 s to obtain noise waveform data, and voltage reduction and experiment stopping are carried out on the metallized film capacitor; according to the noise waveform data, respectively calculating sound pressure level levels of the metallized film capacitor in different health states, and simultaneously carrying out FFT analysis to obtain frequency domain characteristics of the metallized film capacitor; and acquiring a reference value of the sound pressure level at the initial operation moment, and judging the health state of the metallized film capacitor according to the sound pressure level and the frequency domain characteristics to obtain health or failure classification.
Owner:XI AN JIAOTONG UNIV

Aircraft vertical take-off process control method and system and storage medium

The invention discloses an aircraft vertical takeoff process control method and system and a storage medium, and realizes stable transition of an aircraft from vertical takeoff to flight in an advancing direction through accurate control of the rotating speed of a tilting rotor and optimization of a tilting process. In the transition process of the aircraft, by reducing the rotating speed of the tilting rotor wings, the influence of aerodynamic disturbance generated by the tilting rotor wings on the wings and the aircraft body is avoided, so that the flight comfort and safety are improved; meanwhile, the flight speed and the flight height of the aircraft in the transition period are maintained by depending on the propelling propellers, the design of a flight control system is simplified, and the complexity and the redundancy of the control system are reduced; the aircraft adopting the takeoff process control method has higher safety, stability and comfort, and is suitable for various application scenes including the fields of urban air traffic and emergency rescue.
Owner:WUHAN XUANTIAN FEICHE AVIATION TECHNOLOGY CO LTD

Intelligent medical drug management method and drug registration platform

The invention discloses an intelligent medical drug management method and a drug registration platform, relates to the technical field of drug management platforms, and breaks through the limitation that drug adjustment is judged only according to symptom representation traditionally by comprehensively considering environmental factors and emotion factors to evaluate the necessity of drug adjustment. Multi-element potential factors influencing the health state and the drug effect of patients are deeply mined, patient groups really needing drug adjustment are accurately positioned, highly personalized medical intervention is achieved, burden and potential risks caused by unnecessary drug adjustment to the patients are avoided, priorities are divided based on disease risk prediction values, and the accuracy of drug adjustment is improved. And the patient information is pushed to the on-duty doctor working machine in order, so that the vigor, the time, the medicine reserve and the like of the medical resource doctor are preferentially inclined to the patient with high risk and urgent need of medicine adjustment, the treatment delay of the patient with high demand caused by average force of medical service is avoided, the overall medical service efficiency is improved, and the maximum treatment value of limited resources is brought into play.
Owner:ANHUI SHENGHEJIA PHARMACEUTICAL CO LTD

Order data processing method and system based on block chain

The invention relates to the technical field of data processing, in particular to an order data processing method and system based on a block chain. The method comprises the following steps: acquiring a multi-source order data set; performing transaction address analysis on the multi-source order data set to generate order transaction address data; order processing server construction is carried out on the multi-source order data through the order transaction address data, and order processing distribution server data is generated; order processing access frequency analysis is carried out on the multi-source order data set through order processing distribution server data, and order processing access frequency data is generated; and performing order screening on the multi-source order data set based on the order processing access frequency data to generate high-frequency order access data and low-frequency order access data. According to the invention, through optimization of multi-source data integration, order access frequency analysis, transaction synchronization and channel optimization, the reliability and efficiency of order transaction are improved.
Owner:HANGZHOU LITENG NETWORK TECH CO LTD

Pendulum bob device for rock wool production and processing

The utility model discloses a pendulum bob device for rock wool production and processing, relates to the technical field of rock wool processing, and aims to solve the problem that rock wool is attached to a conveying belt of the pendulum bob device, so that processing is affected. Comprising a pendulum bob device body, a fixing assembly is installed on the pendulum bob device body, a cleaning assembly for cleaning a conveying belt is installed on the fixing assembly, and the end of the cleaning assembly is connected with a rotating roller of the pendulum bob device body through a transmission assembly; power of the pendulum bob device is transmitted to the cleaning assembly through the transmission assembly, the scraping plate is pushed outwards through the elastic piece in the groove, the outward end of the scraping plate abuts against the conveying belt, in the rotating process of the conveying belt, the cleaning assembly rotates in the opposite direction of the conveying belt to clean the conveying belt, rock wool is prevented from being attached to the conveying belt, and the conveying belt is prevented from being damaged. The waste of raw materials is caused; the burden of the pendulum bob device is aggravated.
Owner:KASHGAR DINGCHEN TECHNOLOGY NEW MATERIALS CO LTD

Port defense system with adaptively adjustable net height and adjustment method thereof

The present invention discloses a port defense system with adaptively adjustable net height and an adjustment method thereof, and relates to the technical field of marine engineering equipment. The port defense system comprises a net, a main cable, two winches, a sea surface distance detection sensor, two floating automatic lifting devices, a plurality of buoys and a control unit. The winches and the floating automatic lifting devices are adjacent, and the buoys are connected in sequence and arranged on the top of the net. The outermost one of the buoys remains stationary relative to one floating automatic lifting device, and the other is connected to a position of the main cable adjacent to another floating automatic lifting device, so that the net is operably maintained between the two floating automatic lifting devices, and the opposite ends of the main cable are operably connected to the two winches, respectively. The control unit controls the floating automatic lifting device to switch between an adjustment state and a locking state according to detection data of the sea surface distance detection sensor, so that the net height can adapt to changes in the sea surface.
Owner:BAOLI TIANTONG INSTR CORP

Small water purifying and filtering device for rural drinking water

ActiveCN222342233UReduce the number of disassembly and cleaningavoid burdenGeneral water supply conservationFiltration circuitsFiltrationWater drinking
The utility model relates to the technical field of rural drinking water filtration, and provides a small water purifying and filtering device for rural drinking water, which comprises a water purifier body, the bottom end of the water purifier body is fixedly connected with filter cartridges at equal intervals, and the lower end of one side of the water purifier body is fixedly connected with a water outlet pipe. The upper end of the other side of the water purifier body is fixedly connected with a filter box, one side of the bottom end of the filter box is fixedly connected with a blow-off pipe, and one side of the filter box is fixedly connected with a water inlet pipe. The cleaning brush can be used for cleaning one side of the fine filter screen in a scraping manner, so that the phenomenon that the fine filter screen is blocked to influence the normal use of the water purifier body subsequently can be avoided, and the practicability of the fine filter screen is improved as the cleaning brush can slide up and down to scrape and clean one side of the fine filter screen.
Owner:杨振平

Coil auxiliary device for reducing mammary gland MRI artifacts and use method thereof

The invention relates to a coil auxiliary device for reducing mammary gland MRI artifacts and a using method thereof.The auxiliary device comprises two water bags, the number of the water bags is two, each water bag is of a bag-shaped structure with one end open, the open end of each water bag is provided with a hollow tubular gasket in a surrounding mode, and the two gaskets are communicated through a water guide pipe; water guide holes are formed in the two gaskets and used for guiding out redundant water in the water bag. The present invention provides a relatively simple and economical solution compared to techniques that require complex modification of MRI equipment or use of high cost consumables. And water is used as a filling material, so that the cost is low, the water is easy to obtain, and special materials possibly causing burden to the environment are avoided.
Owner:SHENZHEN PEOPLES HOSPITAL

Aircraft vertical landing process control method and system and storage medium

The invention discloses a method and a system for controlling a vertical landing process of an aircraft and a storage medium, and realizes stable transition of the aircraft from vertical take-off and landing to the ground by accurately controlling the rotating speed of a tilting rotor and optimizing the tilting process. In the transition process of the aircraft, by reducing the rotating speed of the tilting rotor wings, the influence of aerodynamic disturbance generated by the tilting rotor wings on the wings and the aircraft body is avoided, so that the flight comfort and safety are improved; meanwhile, the flight speed and the flight height of the aircraft in the transition period are maintained by depending on the propelling propellers, the design of a flight control system is simplified, and the complexity and the redundancy of the flight control system are reduced; the aircraft adopting the take-off and landing process control method has higher safety, stability and comfort, and is suitable for various application scenes including the fields of urban air traffic and emergency rescue.
Owner:WUHAN XUANTIAN FEICHE AVIATION TECHNOLOGY CO LTD

A smart watch-based exercise heart rate monitoring method and device

The present application relates to the field of heart rate monitoring, and particularly relates to a method and device for monitoring heart rate during exercise based on a smart watch. The method comprises the following steps: obtaining geographical position information of a user based on a smart watch, identifying a user exercise scene, and generating an exercise scene type; collecting original heart rate detection parameters, performing time series heart rate feature analysis, and constructing a heart rate feature set; performing deep exercise mode recognition on the exercise scene type and the heart rate feature set, and obtaining a user exercise mode; performing global heart rate situation awareness on the heart rate feature set, and constructing a global heart rate situation map; and performing comprehensive risk assessment and self-adaptive early warning decision-making on the global heart rate situation map according to the user exercise mode. The present application realizes self-adaptive analysis of a user heart rate state, and improves user exercise safety assessment efficiency and accuracy.
Owner:SHENZHEN SMART CARE TECH LTD +1

A converter station temporary power and near-power operation safety limit alarm system and method

The present invention discloses a converter station temporary power and near-power operation safety limit alarm system and method, which relates to the field of near-power operation alarm technology. The detection device detects the safe distance between the operating vehicle and the charged body in real time, substitutes the response factor and the health status into the intelligent analysis model for analysis, and judges whether it is necessary to dynamically adjust the safety distance threshold. When it is judged that dynamic adjustment is required, the alarm system compares the real-time acquired safety distance with the dynamically adjusted safety distance threshold, and generates a corresponding alarm strategy based on the comparison result. The method of dynamically adjusting the safety distance threshold not only avoids excessive alarms that increase the system burden, but also avoids insufficient alarms that lead to ineffective protection of safe operations. The alarm system can respond to alarms in combination with the actual construction environment conditions, and can dynamically adjust the detection range during the detection process, effectively ensuring the safe operation of the operating vehicle.
Owner:SUPER HIGH VOLTAGE BRANCH OF STATE GRID JIANGXI ELECTRIC POWER CO LTD +1

Anonymous identity authentication method, system and device in 5G-V2V and medium

The invention relates to the field of wireless network security communication, and discloses an anonymous identity authentication method, system and device in 5G-V2V and a medium, and the method comprises the steps: an AMF selects and generates a system common parameter; the on-board unit entering the 5G network coverage area registers in the AMF based on the system public parameters to generate a public key, a private key and a pseudonym corresponding to the on-board unit; the two vehicle-mounted units carry out mutual authentication based on the corresponding public keys, private keys and pseudonyms, and start a session key establishment process after mutual authentication succeeds, if the session key is successfully established, the two vehicle-mounted units carry out data transmission, and otherwise, the two vehicle-mounted units stop establishing the session key. By means of the method, identity verification can be conducted on the vehicle locally, and participation of a trusted mechanism or other infrastructures is not needed.
Owner:北京华夏融智区块链科技院

A highly efficient serine protease for degrading α-keratin, its degradation method and application

This invention discloses a highly efficient serine protease for degrading α-keratin, its degradation method, and its applications. The serine protease is named PliKerS, and its full-length amino acid sequence is shown in SEQ ID No. 2, with the corresponding coding gene sequence shown in SEQ ID No. 1. The amino acid sequence of the recombinant serine protease rPliKerS, which has its N-terminal signal peptide removed and a purification tag attached to its C-terminus, is shown in SEQ ID No. 4, with the corresponding coding gene sequence shown in SEQ ID No. 3. The recombinant serine protease rPliKerS degrades α-keratin under mild conditions, avoiding the environmental burden of strong alkaline treatment. It is particularly suitable for applications involving pet hair, hair waste, and leather pretreatment. The degradation products are soluble proteins and peptides, which can be used as high-value-added amino acid raw materials, functional peptide raw materials, biodegradable materials, bio-based material precursors, bio-feed proteins, fertilizers, etc., exhibiting high resource utilization value and promising industrial application prospects.
Owner:FUJIAN NORMAL UNIV

Preparation method and application of yang-strengthening navel treatment paste

The invention belongs to the technical field of traditional Chinese medicine, and discloses a preparation method and application of yang-strengthening navel treatment cream, and the key point of the technical scheme is that the yang-strengthening navel treatment cream is prepared from the following medicinal materials in parts by weight: 25-35g of prepared rehmannia root, 25-35g of deer-horn glue, 2-8g of cinnamon, 2-8g of ephedra, 15g of garden balsam stem, 3-9g of notopterygium root, 10-20g of semen brassicae, 5-15g of corydalis tuber, 2-8g of ginger charcoal, 5-15g of geranium wilfordii and 5-15g of liquorice. The traditional Chinese medicine composition has the effects of warming yang and enriching blood, and dispelling cold and removing stagnation, and is suitable for symptoms such as neck, shoulder, waist and leg pain, sciatica, chronic bronchitis, asthma, dysmenorrhea, thyroid nodule, pulmonary nodule, hyperplasia of mammary glands, mammary cyst, mammary fibroma, hysteromyoma and the like caused by yang deficiency and cold coagulation.
Owner:HUNAN UNIV OF CHINESE MEDICINE

A sulfonate drilling fluid plugging test system

The present application relates to a kind of sulfonate drilling fluid plugging test system.Sulfonate drilling fluid plugging test system includes: outer tube, with small diameter section and large diameter section, the pipe wall of large diameter section is provided with mesh hole;Shale, annular structure, and inside large diameter section, shale has crack, the position of crack corresponds with mesh hole, the inner cavity of small diameter section and the inner cavity of shale are through, to form placement cavity;Inner tube, including cavity section and cavity section, cavity section with small diameter section, shale encloses annular return liquid chamber;Liquid outlet storage tank, through liquid outlet pipeline with cavity section is communicated;Liquid return storage tank, through liquid return pipeline with annular return liquid chamber is communicated;Drive pump, set on liquid outlet pipeline or liquid return pipeline;Shell, sleeve is set on large diameter section, shell with large diameter section encloses leakage chamber, mesh hole and leakage chamber are communicated;Air source, for pressurizing in leakage chamber;Pressure measurement component, for measuring the pressure difference in annular return liquid chamber and leakage chamber;Heating box, inner tube, outer tube and leakage chamber are arranged in heating box.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Vehicle similarity-based pseudonym replacement method for Internet of Vehicles

The invention provides a kana replacement method based on vehicle similarity for the Internet of Vehicles, and relates to the technical field of wireless network security, a kana replacement system is used for obtaining a vehicle kana, and the kana replacement system comprises three layers of structures: a cloud layer, a fog layer and an edge layer. The pseudonym replacement method can be divided into a vehicle pseudonym acquisition stage, a pseudonym replacement area determination stage and a vehicle cooperation pseudonym replacement stage. According to the method, potential attacking and tracking capabilities of malicious attackers are fully considered, and a dynamic region division strategy based on vehicle similarity is supported. The method supports a kana replacement scheme independent of the road infrastructure (RSU), can improve the efficiency of kana replacement, reduces the dependence on the road infrastructure (RSU), improves the anonymity and safety of the system, and has a good application value.
Owner:NANYANG NORMAL UNIV

Distributed task monitoring method and system based on state transition and directional pushing

PendingCN122554428AAchieve precise matchingAchieve instant consistency
This invention belongs to the field of Internet technology and relates to a distributed task monitoring method and system based on state transition and targeted push. It includes receiving subscription requests initiated by clients, adding clients to communication groups associated with the task status corresponding to a tab, and maintaining the group affiliation information of each client in real time; based on the group affiliation information, when a task status transitions from its original state to a new state, locating the original state group and the new state group, pushing a removal notification to the original state group and a move-in notification to the new state group; when a task in the execution state experiences a progress update, locating the execution state group and pushing a progress update message only to that group; and using the removal notification, move-in notification, and progress update message as outputs to trigger clients to perform removal, addition, and progress refresh operations on the corresponding tasks in their local task lists, respectively. This solves problems such as list synchronization issues and numerous invalid pushes, achieving real-time list consistency and accurate push notifications.
Owner:西安精雕软件科技有限公司

Preparation method of amorphous MoO2-x (at) C composite material

The invention relates to the technical field of amorphous preparation technologies, in particular to a preparation method of an amorphous MoO2-x (at) C composite material, which comprises the following steps: S1, dissolving phosphomolybdic acid in ethanol; dissolving 2-methylimidazole in another part of ethanol, standing the mixed solution, and collecting an obtained Mo-MI precursor through centrifugal operation; s2, dispersing the Mo-MI precursor nanospheres into deionized water, and stirring the Mo-MI precursor nanospheres and the deionized water; dropwise adding a pyrrole (Py) solution, and continuously stirring under an ice-water bath condition; then, through centrifugal treatment, a Mo-MI coated PPy (Mo-MI coated with polypyrrole) precursor is obtained; and S3, placing the dried Mo-MI-coated PPy precursor in a nitrogen environment, and carrying out pyrolysis treatment at 450 DEG C for 2 hours to obtain the amorphous MoO2-x-coated C composite material. The MoO2 prepared by the method disclosed by the invention has the characteristics of an amorphous structure and a core-shell structure, the electronic conductivity of the MoO2 is remarkably enhanced due to the characteristic of the amorphous state, and the migration mode of Li < + > is optimized, so that the rate performance of the material is greatly improved.
Owner:XINJIANG UNIVERSITY

Intelligent traffic flow directional dispersion device

The invention provides an intelligent traffic flow directional dispersion device, and relates to the field of traffic flow dispersion. The number of the moving main bodies is two, and a guardrail main body is mounted between the two moving main bodies; a solar photovoltaic panel is mounted on the inclined surface of the front side of each moving main body; through cooperation of the flushing mechanism and the automatic dirt scraping mechanism, when the surface of the solar photovoltaic panel needs to be cleaned, the surface of the solar photovoltaic panel is firstly flushed through the flushing mechanism, then dust and other impurities covering the surface of the solar photovoltaic panel are scraped away through the automatic dirt scraping mechanism, manual cleaning is not needed in the cleaning process, and the cleaning efficiency is improved. The solar photovoltaic panel traffic flow directional dredging device is simple in structure and convenient to use, avoids burden brought to workers, saves time and labor, and solves the problems that in the using process of an existing tidal robot type traffic flow directional dredging device, manual cleaning is often needed when the surface of a solar photovoltaic panel is cleaned, so that burden is brought to the workers, and time and labor are wasted.
Owner:HUBEI LONGAO SYST ENG CO LTD

A method, device and system for fusion of multi-sensor data

The embodiment of the present invention discloses a method, device and system for fusing multi-sensor data. The method includes: after determining that the current designated sensor data collected by the designated sensor is obtained, the processor determines whether a preset storage space stores sensor data with a corresponding collection time before a first time; if it is determined that it is stored, obtains target sensor data with a corresponding collection time before the first time and after a second time from the preset storage space; uses the current filter to filter the target sensor data to obtain a filtering fusion result; uses the current posture predictor, the filtering fusion result, the current designated sensor data and the designated sensor data between the current collection time and the first time to determine the current posture information of the target vehicle corresponding to the current designated sensor data, so as to obtain the vehicle positioning result of the vehicle.
Owner:BEIJING MOMENTA TECH CO LTD