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91results about How to "Consider performance" patented technology

Comprehensive energy system planning optimization method and computing device

The invention discloses an integrated energy system planning optimization method and computing equipment, and the method comprises the steps: obtaining various equipment parameters, load demand data and energy prices in an integrated energy system, taking the lowest annual total cost of the integrated energy system as a first target, and taking the highest integrated energy efficiency as a second target; the total annual cost comprises the annual investment cost, the energy purchase cost, the annual operation and maintenance cost, the stepped carbon transaction cost and the wind curtailment and light curtailment penalty cost, and the comprehensive energy efficiency is used for representing the ratio of the total energy supply amount to the total energy consumption amount of each type of equipment in the comprehensive energy system; and solving the planning optimization model by using a simulated annealing chaos particle swarm complementary algorithm to obtain an optimal solution, and determining the optimal capacity configuration of each type of equipment in the integrated energy system based on the optimal solution. According to the method, the optimal capacity configuration of each type of equipment in the integrated energy system can be reasonably planned on the premise of meeting the load requirement of the system.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Energy storage system control method based on multi-target cooperative operation

The invention discloses an energy storage system control method based on multi-target cooperative operation. The method comprises the following steps: acquiring state data of an energy storage system in a current control period and state data of the energy storage system connected with a power grid; based on the state data of the energy storage system and the state data of the power grid, calculating an operation state comprehensive evaluation value of the energy storage system in the current control period; and determining a priority regulation and control target based on the comprehensive evaluation value of the operation state in combination with the state data of the energy storage system and the state data of the power grid, and controlling the energy storage system to regulate and control the priority regulation and control target in the next control period. A plurality of regulation targets of the energy storage system are comprehensively considered, and the comprehensive evaluation value of the operation state is calculated according to the real-time state data of the system to determine the priority regulation target, so that the energy storage system is promoted to regulate the corresponding targets in a targeted manner in the next period, the relationship among different targets is effectively coordinated, the one-sidedness caused by single target regulation is avoided, and the regulation efficiency is improved. And overall collaborative optimization is realized.
Owner:CHINA HUADIAN ENG CO LTD +1

Trusted data exchange and shared space management system supporting multi-party cooperation

The invention provides a trusted data exchange and shared space management system supporting multi-party cooperation. The trusted data exchange and shared space management system supporting multi-party cooperation comprises a data exchange and sharing module used for uploading, exchanging and sharing data by a plurality of users in real time and ensuring data consistency, the data exchange and sharing module realizes data consistency through a conflict detection and solution mechanism under the condition of data conflict, and the data exchange and sharing module is used for realizing data exchange and sharing; and intelligently sorting the updated contents through a priority algorithm. According to the trusted data exchange and sharing space management system supporting multi-party collaboration, through modular design, the efficiency, safety and transparency of multi-party collaboration data exchange and sharing are remarkably improved. The data exchange and sharing module solves the data conflict problem when a plurality of users operate data at the same time through a timestamp mechanism, a priority ranking mechanism and a rollback mechanism, and data consistency and accuracy are effectively guaranteed.
Owner:EASYDATA (BEIJING) INFORMATION TECH CO LTD

Instruction optimization method and device, processor, electronic equipment and storage medium

The invention discloses an instruction optimization method and device, a processor, electronic equipment and a storage medium. The instruction optimization method comprises the steps that a compilation file is obtained, and in the compilation file, each instruction in multiple instructions included in the compilation file is completely configured with an instruction information register before execution; based on the compilation file, optimization operation is conducted on the multiple instructions one by one according to the instruction sequence of the multiple instructions in the compilation file so as to determine optimization information of each instruction, the optimization information comprises whether the instructions are optimized or not and optimization is conducted in response to the instructions, and the optimization information further comprises instruction information registers to be eliminated corresponding to the instructions; according to the optimization information, the compiled file is optimized, an optimized compiled file is obtained, and in the optimized compiled file, configuration of the instruction information register of repeated configuration of at least part of instructions is eliminated.
Owner:SHANGHAI BIREN TECH CO LTD

Audio signal encryption method and device, electronic equipment and storage medium

The invention provides an audio signal encryption method and apparatus, an electronic device and a storage medium. The method specifically comprises the steps of converting a key seed into an encryption matrix based on a preset coding rule and a chaos matrix, and segmenting the encryption matrix into a plurality of key vectors; the audio signal encryption module obtains an original audio signal and divides the original audio signal into a plurality of original audio vectors; the audio signal encryption module scrambles all the original audio vectors to obtain a plurality of scrambled audio vectors, acquires an audio mark and a first vector from each scrambled audio vector, and encrypts the first vector based on the key vector; and synthesizing all the corresponding scrambled audio vectors and the first vector based on the audio mark to obtain a plurality of encrypted audio vectors, and generating an encrypted audio signal based on the encrypted audio vectors. According to the method provided by the invention, encryption can be carried out with fewer resources during encryption, and the time for encrypting the audio signal is shortened.
Owner:SHENZHEN UNIV

Key exchange method, system and device and storage medium

The invention discloses a secret key exchange method, system and device and a storage medium, and relates to the field of information security, and the method comprises the steps that a first device and a second device respectively generate respective public and private key pairs; the public and private key pair comprises a public and private key pair of a classic shared key algorithm and / or a public and private key pair of a post-quantum shared key algorithm; furthermore, the first equipment exchanges data with the second equipment; a shared key is established between the first device and the second device through key negotiation or key encapsulation; and finally, the first equipment and the second equipment mutually verify whether the shared keys are consistent or not. The security of the key exchange process is ensured by combining a classical algorithm and a post-quantum algorithm, and the system compatibility and performance are considered while the quantum attack resistance is provided.
Owner:BEIJING WATCH DATA SYSTEM CO LTD

Central processing unit frequency adjustment method and device, equipment and medium

The invention discloses a central processing unit frequency adjustment method and device, a server and a medium, and relates to the technical field of servers. According to the scheme, a dynamic central processing unit frequency adjusting mechanism is provided, specifically, the target operation frequency of the target central processing unit is determined according to the read operation data of the target central processing unit, and the frequency of the target central processing unit is adjusted according to the target operation frequency and the corresponding relation between the power supply voltage and the operation frequency of the target central processing unit. Determining a target power supply voltage of the target central processing unit; and finally, controlling the target central processing unit to operate at the target power supply voltage so as to control the target central processing unit to operate at the target operation frequency. The target operation frequency not only considers the current working load of the server central processing unit, but also considers the overall performance and power consumption requirements of the system, and can ensure that the server can keep the optimal performance and power consumption state under different working loads, thereby improving the overall operation efficiency and stability of the server.
Owner:INSPUR (SHANDONG) COMPUTER TECH CO LTD

Platinum-based high-entropy alloy self-supporting catalyst as well as preparation method and application thereof

PendingCN121951587Aquick buildfast loadElectrodesPlatinumPtru catalyst
The invention discloses a platinum-based high-entropy alloy self-supporting catalyst as well as a preparation method and application thereof. The preparation method of the catalyst comprises the following steps: S1, dissolving a platinum source, an iron source, a cobalt source, a molybdenum source and a manganese source in a solvent according to the molar ratio of platinum to iron to molybdenum to cobalt to manganese being 1: 1: 1: 1: 1 to obtain a precursor solution; s2, dipping the carbon felt in a polyvinyl alcohol solution, and drying to obtain a substrate; and S3, dipping the substrate in the precursor solution, drying, and carrying out Joule heat flash evaporation to obtain the catalyst. According to the invention, five metals are added according to an equal molar ratio, the catalytic efficiency of the water electrolysis catalyst is improved by utilizing a high-entropy effect, the production cost of the catalyst is reduced, meanwhile, the long-time stability of the catalyst is improved by adding a self-supporting material, and an efficient and stable water electrolysis process in an acidic electrolysis environment is realized.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Simulation attack-defense method for power grid load frequency control system with DRL controller

PendingCN122225434Aimprove performanceImprove attack efficiencyBiological modelsSecuring communication
The application relates to the field of power systems and artificial intelligence security, and discloses a simulation attack and defense method of a power grid load frequency control system adopting a DRL controller, which comprises the following steps of: simulation attack: identifying system state variables most critical to DRL decision; setting an attack target and calculating an initial disturbance amount of the critical state variables, limiting the generation of a final disturbance amount; deducing disturbance amounts of the remaining dependent state variables to obtain an adversarial disturbance vector, which is superimposed to the DRL controller to implement the attack. Simulation defense: applied to a hybrid system containing DRL and a backup PID controller: real-time monitoring of the Q value sequence output by the DRL evaluation network to detect whether it is continuously lower than the normal benchmark; once the statistical quantity exceeds the threshold, it is determined that an attack is suffered, and the control right is immediately switched from the DRL to the PID controller to maintain the stability of the system. The method can generate a hidden and physically regular adversarial attack to evaluate the vulnerability of the system, and provide a fast and low-cost active defense mechanism to improve the security and resilience of the LFC system in the adversarial environment.
Owner:GUIZHOU UNIV

Cloud-side collaborative content caching and user association method and system

The invention provides a cloud-side collaborative content caching and user association method and system, and relates to the technical field of wireless communication networks, and the method comprises the steps: building a weighted delay minimization problem with minimization of user content acquisition delay and association base station switching delay as a target; and dividing the constructed weighted delay minimization problem into a long-term user association and content caching problem under a long-term time scale and a short-term user association problem under a short-term time scale to obtain a content caching strategy and a user association strategy so as to minimize the content transmission delay between the user and the base station. According to the invention, the content transmission delay can be reduced on the basis of reducing the backhaul link burden, and the network performance is improved.
Owner:SHANDONG COMP SCI CENTNAT SUPERCOMP CENT IN JINAN +1

High-rigidity lightweight double-fork-arm front lower control arm

ActiveCN224739140UMaintain lightweight advantageExtended service life
This utility model discloses a high-rigidity, lightweight double wishbone front lower control arm, specifically relating to the field of automotive suspension system technology. It includes a control arm body with multiple hollowed-out grooves on its surface. Two bushing assemblies are located on one side of the control arm body, and a ball joint assembly is fixedly mounted on the other side. A reinforcing mechanism is provided on the surface of the control arm body, including a fixed cavity fixedly located inside the control arm body at the connection points between the control arm body and the bushing and ball joint assemblies. Reinforcing ribs are fixedly mounted inside the fixed cavity. An annular reinforcing ring is fixedly mounted at the connection points between the control arm body and the bushing and ball joint assemblies, and several reinforcing ribs are evenly distributed on the surface of the annular reinforcing ring. This utility model achieves the core functions of lightweight load-bearing, precise guidance, and long-term protection through the synergistic effect of its components.
Owner:CHENGDU HEYISUPER AUTOMOBILE PARTS CO LTD

Streaming Token dual-path transmission method, system and device and storage medium

PendingCN121967509AReduce transmission delayReduce the number of jumpsTransmissionPathPingContext recognition
The invention relates to the technical field of data transmission, and particularly provides a streaming Token double-path transmission method, system and device and a storage medium, and the method comprises the steps: responding to a streaming request, completing the initialization of a system and a session, building a bypass channel from a model to a client, and creating a session context in a control flow engine; identifying the type of each Token generated by the model, and shunting according to the type: data Token routing to a bypass channel and control Token routing to a control flow path processed by a control flow engine; data bypass transmission and control flow service processing are executed in parallel, and the states of the data bypass transmission and the control flow service processing are ensured to be consistent through a state synchronization mechanism; and the dual-path operation state is continuously monitored, and dynamic path adjustment or abnormity recovery is carried out when abnormity is detected. According to the method, the data flow and the control flow are decoupled, so that the transmission delay of the streaming Token is remarkably reduced while the state consistency is ensured.
Owner:SHANDONG INSPUR SCI RES INST CO LTD

Message polling resending method, device, server and storage medium

This application relates to the field of mobile communication technology, and in particular to a message polling resending method, apparatus, server, and storage medium. The method includes: obtaining a message report push table and a client status table; identifying service messages in the message report push table that have been pushed to the target client but not received by the target client, and identifying the client status of the target client in the client status table; and when the client status is online, polling and resending service messages to the target client at first preset intervals. This solves the problems in related technologies, such as the inability to balance server performance and timeliness, leading to excessive server load, degraded client performance, and the inability of the server to monitor the real-time status of the client, which can easily result in incorrect concatenation of interface request results.
Owner:CHERY AUTOMOBILE CO LTD

A front end cooling module for a hybrid vehicle

ActiveCN224392354UAvoid triggering high voltage protectionimprove performance
The utility model relates to the field of automobile, concretely relates to a hybrid car front end cooling module. Specifically include big low temperature radiator, small low temperature radiator, connecting hose, condenser, high temperature radiator and electronic fan, big low temperature radiator is arranged in the first row of cooling module, and is in the front of condenser, small low temperature radiator is arranged in the front of condenser, and small low temperature radiator and big low temperature radiator are connected through connecting hose and are connected in series with two radiators, and low temperature radiating loop cooling liquid first flows through small low temperature radiator and then flows through big low temperature radiator, and high temperature radiator is arranged in the third row position, and the electronic fan arranged in the last end provides the air intake power for whole cooling module. The utility model can effectively solve the problem that hybrid car is under high temperature environment, and the water temperature of electric drive system is high and the temperature of engine intake is high, and the performance and energy consumption of air conditioning system are considered simultaneously.
Owner:JIANGLING MOTORS

A low surface energy active-passive synergistic antifouling coating and its preparation method

This invention discloses a low surface energy active-passive synergistic antifouling coating and its preparation method, belonging to the field of marine antifouling materials technology. The preparation method of the antifouling coating includes the following steps: S1, mixing acetone and xylene and stirring under a nitrogen atmosphere to form a mixed solvent; S2, adding vinyl-terminated silicone resin and acrylic resin to the mixed solvent, stirring and heating to obtain a coating base liquid; S3, adding an initiator to the coating base liquid and continuously stirring and heating to react; S4, after the reaction is complete and the coating base liquid cools, adding functional fillers to form a coating liquid; S5, coating the coating liquid and drying to obtain a low surface energy active-passive synergistic antifouling coating. The low surface energy active-passive synergistic antifouling coating prepared by this invention solves the problem in existing marine antifouling technologies where the single antifouling mechanism prevents the simultaneous consideration of environmental friendliness and long-term effectiveness, and has broad application prospects in the field of marine antifouling materials technology.
Owner:TIANJIN UNIV

Cathode inlet temperature and humidity cooperative control method for dual-module intercooler type fuel cell

The invention relates to a dual-module intercooler type fuel cell cathode inlet temperature and humidity cooperative control method. The method comprises the steps that fuel cell cathode air inlet real-time state parameters and operation parameters are obtained, a multivariable coupling prediction model is constructed after preprocessing, and a temperature and humidity reference and an oxygen stoichiometric ratio target reference are set in combination with heat exchange characteristics of a dual-module intercooler; then the core body heat exchange distribution proportion is regulated and controlled, humidification adjustment is matched, and the core body heat exchange distribution proportion and the humidification adjustment intensity are dynamically adjusted according to the real-time working condition; comparing the deviation between the adjusted actual temperature and humidity and the target temperature and humidity reference, and correcting the heat exchange distribution proportion and the humidifying adjustment parameter through a dynamic constraint correction model; cooperative regulation and control of cathode inlet temperature and humidity are realized, dynamic change of working conditions is adapted, and stable operation of the fuel cell is guaranteed.
Owner:SHANGHAI WENJING ENERGY TECH CO LTD

Efficient and environment-friendly electrode paste production process

The invention belongs to the technical field of electrode paste preparation, and particularly relates to an efficient and environment-friendly electrode paste production process. A composite binder and a corncob powder-lignin composite carbonized precursor are prepared, hexamethylenetetramine-melamine resin is used as a composite cross-linking agent, the rigidity and thermal stability of boron modified phenolic resin in the composite binder are enhanced through a B-O bond, a phenolic hydroxyl group of the boron modified phenolic resin and plant pitch form a hydrogen bond, and the plant pitch is subjected to heat preservation and heat preservation. A hydrogen bond-covalent bond cross-linked network is formed under the action of the cross-linking agent, so that the high-temperature structure stability is guaranteed; the corncob powder fixes lignin through a porous framework, multistage pore channels are formed after carbonization, interface gaps are filled, the lignin is pyrolyzed at a high temperature to generate a carbon nano-whisker reinforced framework, thermal stress can be dispersed, interface bonding can be enhanced, and therefore the compactness and high-temperature stability of the electrode paste are improved. In addition, the bio-based composite binder is adopted to replace traditional petroleum-based asphalt, so that the emission of harmful substances is reduced from the source, and the environmental protection benefit and the high performance of the product are both considered.
Owner:WUHAI SUNSHINE CARBON CO LTD

A laser device convenient for patch packaging

The utility model discloses a kind of laser devices convenient to patch package, including support, laser chip, metal pipe cap, the support includes concave table, metallized pad and annular step part, metal heat sink is fixedly embedded in the concave table, the laser chip is fixed on the metal heat sink upper surface by eutectic solder, the metal pipe cap is the tubular structure of one end opening one end airtight, the edge of the opening end of the metal pipe cap is sealed and fixed with the annular step part, the problems such as high cost, low production efficiency, poor fault tolerance, heavy weight of traditional TO packaging equipment are solved by structural innovation, under the premise of guaranteeing the performance of laser device, production economy and process adaptability are significantly improved.
Owner:SHENZHEN ZHONGWEI RUIGUANG TECHNOLOGY CO LTD

Anti-rutting epoxy asphalt toughening additive and preparation method thereof

The invention belongs to the technical field of road and bridge paving materials, and discloses an anti-rutting epoxy asphalt toughening additive. The formula comprises the following components in parts by weight: 40 parts of solid epoxy resin, 35 parts of a latent polyester curing agent, 5 parts of an ultra-high molecular weight epoxy toughening agent, 20 parts of a water damage resistant improver, 100 parts of hard asphalt particles, 2 parts of an antioxidant, 5.5 parts of a silane coupling agent, 6 parts of nano silicon dioxide, 0.1 part of a curing accelerator, 0.5 part of a light stabilizer and 1 part of a lubricating separant. In the formula, solid epoxy reacts with a latent polyester curing agent to form a three-dimensional rigid structure, and the three-dimensional rigid structure is matched with oxidized asphalt particles and nano silicon dioxide, so that the high-temperature stability and the pressure resistance are remarkably improved, and ruts are inhibited from the source; the ultra-high molecular weight epoxy flexibilizer can prolong the molecular chain segment of a cross-linking point, and is combined with the curing accelerator to regulate and control the reaction rate, so that the low-temperature crack resistance and fatigue resistance are enhanced while the strength is ensured.
Owner:侯育森

A three-axis rotational auxiliary device for use with VR

PendingCN122558064AMeet the needs of immersive experienceReduced Power Requirements
This invention discloses a three-axis rotation assistive device for VR, belonging to the category of VR motion-sensing simulation devices. The device includes a support frame, a three-axis rotation mechanism, and a seat assembly. The three-axis rotation mechanism is composed of nested horizontal rotation, left-right rotation, and pitch rotation mechanisms. The horizontal rotation mechanism uses a conical bearing assembly, combining rotational transmission and vertical support to achieve 360° rotation. The left-right and pitch rotation mechanisms employ a modular drive system using arc-shaped tracks, gear racks, and rollers, eliminating the need for a gearbox. The maximum swing angle for both left-right and pitch rotation is 30°. This invention designs the range of motion based on human posture recognition, avoiding the risk of inversion, reducing torque and power requirements, resulting in a compact and lightweight structure, precise control, convenient maintenance, and improved safety and comfort, making it suitable for home VR motion-sensing scenarios.
Owner:SHANGHAI DIANJI UNIV

An application processing method and apparatus, a storage medium, and an electronic device

Embodiments of the present specification disclose an application processing method and device, a storage medium and an electronic device, wherein the method comprises: obtaining a target file hash value of a target application file for first-level deduplication detection processing to obtain a first deduplication detection result; if the target application file is of the same type, performing deduplication filtering processing; if the target application file is of different types, determining file metadata features of the target application file, performing multi-level deduplication detection processing based on the file metadata features to obtain a multi-level deduplication detection result, and executing an application file detection process on the target application file based on the multi-level deduplication detection result.
Owner:BEIJING HONGTENG INTELLIGENT TECH CO LTD

Method for batch production of thick DC03 cold-rolled steel strips on silicon steel production line

PendingCN121874598ASolve the problem of burnssmooth travelHeat treatment process controlProduction lineChemical composition
The invention discloses a method for batch production of thick DC03 cold-rolled steel strips on a silicon steel production line. The method comprises the steps of converter smelting, vacuum treatment, continuous casting, hot rolling, acid rolling and continuous annealing. A unique annealing and stepped controlled cooling process is adopted; the DC03 comprises the following chemical components in percentage by mass: less than or equal to 0.0030% of C, less than or equal to 0.030% of Si, 0.15%-0.25% of Mn, 0.020%-0.055% of Alt, 0.050%-0.065% of Ti and the balance of Fe and inevitable impurities. On the premise of ensuring the mechanical properties (especially elongation and r value) of the product, the actual temperature of the strip steel at the outlet of the furnace area and in the subsequent process is greatly reduced, the problem of scalding of the rubber roller is fundamentally avoided, and stable and batch production of the thick DC03 (1.0-1.2 mm) on a silicon steel production line is realized.
Owner:INNER MONGOLIA BAOTOU STEEL UNION

Connection structure, heat dissipation device and mobile terminal

The utility model discloses a connecting structure, a heat dissipation device and a mobile terminal, and relates to the technical field of heat dissipation. The connecting structure comprises a connecting piece, a first component and a second component, wherein the connecting piece is made of an elastic material; the first component is fixedly connected with the lamp shell, the second component is fixedly connected with the lamp shell, the lamp shell is provided with an opening, the connecting piece, the first component and the second component surround the opening by a circle in the axial direction of the opening, and a first clamping space is formed between the first component and the second component; one end of the connecting piece is fixed in the first clamping space, the first component, one end of the connecting piece and the second component are sequentially stacked in the radial direction of the opening, the connecting piece comprises a first surface and a second surface which are opposite in the thickness direction of the connecting piece, the first surface abuts against the first component, and the second surface abuts against the second component. The connecting pieces in the connecting structure are in radial sealing connection, the sealing area is increased, the sealing reliability is guaranteed, the heat dissipation efficiency of the automobile lamp can be improved, and the requirements for automobile lamp performance and reliability are met.
Owner:YINWANG INTELLIGENT TECHNOLOGIES CO LTD

Cloud reasoning method, device and system based on data protection, and storage medium

The embodiment of the invention discloses a cloud reasoning method and device based on data protection, a storage medium and a system. The method comprises the steps of receiving a reasoning request initiated by a user; according to the reasoning request, calling a user service process to access a plurality of user security domains to read user data and historical session data of the user; sending the user data and historical session data of the user to a reasoning service process through the user service process; a reasoning model is loaded from a large model service security domain through the reasoning service process to conduct reasoning on the user data and historical session data of the user, and a reasoning result is obtained; and returning the reasoning result to the user through the reasoning service process and the user service process. According to the method, the privacy of the user is protected while the requirement of model reasoning of a large model service party is met, and the system performance and safety are considered.
Owner:北京熠智科技有限公司 +2

Rotor, electric machine and compressor

PendingCN122292731Aavoid direct leadsincrease fluxElectric machineryStructural engineering
This disclosure relates to a rotor, an electric motor, and a compressor. The rotor includes a rotor core, a plurality of rare-earth permanent magnets, and a plurality of ferrite permanent magnets. The rotor core includes a plurality of core units arranged sequentially along the circumference of the rotor core. Each core unit has two first mounting slots and one second mounting slot arranged circumferentially at intervals. The first mounting slots have openings located on the outer circumferential surface of the core unit. The second mounting slots are located between the two first mounting slots and opposite to the side of the first mounting slots away from the opening. The plurality of rare-earth permanent magnets are fixed one-to-one in all the first mounting slots; the plurality of ferrite permanent magnets are fixed one-to-one in all the second mounting slots. This disclosure can improve motor performance by increasing the amount of inexpensive ferrite permanent magnets while reducing the amount of rare-earth materials used, thereby balancing motor performance and cost.
Owner:GUANGDONG MIDEA ELECTRIC CO LTD +1

A hydraulic mechanical arm active vibration suppression system

This invention relates to the field of robotic arm control technology, specifically disclosing an active vibration suppression system for a hydraulic robotic arm. The active vibration suppression system for a hydraulic robotic arm includes the following steps: Step 1, acquiring the driving force of the hydraulic cylinder of the hydraulic robotic arm as a vibration signal; Step 2, performing multi-window function filtering on the vibration signal to extract the overall trend of the vibration signal; Step 3, using a narrow time window function to identify the maximum and minimum values ​​of all signals within a wide time window function, and sliding point by point around the test point to further capture the detailed changes within the narrow time window function. If the point is the maximum or minimum value within the narrow time window function, then that point is output; Step 4, calculating the vibration index characterizing the system vibration; Step 5, calculating the joint angles of the hydraulic cylinder based on the actual stroke, subtracting the joint angle θ from the desired angle, deriving the vibration joint angle information that should be compensated, and performing compensation.
Owner:EAST CHINA JIAOTONG UNIVERSITY +1

An electrochemical device and an electrical device comprising the same.

The present application relates to an electrochemical device, which includes a positive electrode, a negative electrode, a separator and an electrolyte, wherein the electrolyte includes fluoroethylene carbonate, and the content a of the fluoroethylene carbonate is 0.01% to 5%, based on the mass of the electrolyte; the positive electrode includes a positive electrode active material, and the positive electrode active material contains a Mn element, and the content of the Mn element is greater than or equal to 15%, based on the mass of the positive electrode active material; the unit reaction area of ​​the positive electrode active material is c, measured in m 2 / cm 2 According to the calculation, a and c satisfy the following relationship: 0.0006≤a / c≤6.25; wherein the unit reaction area is the product of the weight W of the positive electrode active material per unit area and the specific surface area BET of the positive electrode active material. The electrochemical device of the present invention ensures the performance requirements of the battery after the manganese content in the positive electrode material is increased, thereby achieving a balance between the cost and performance of the battery product.
Owner:NINGDE AMPEREX TECHNOLOGY LTD

On-chip integrated collimation optical device

ActiveCN224191441UGuaranteed molding accuracyAdapt to uneven process requirementsLaser detailsSemiconductor lasersLight beamEngineering
The utility model discloses an on-chip integrated collimation optical device, comprising a wafer, the surface of which is provided with a plurality of light-emitting areas arranged periodically; the adhesive layer covers the surface of the wafer, optical structures in one-to-one correspondence with the light-emitting areas are distributed on the outer side of the adhesive layer, the optical structures are used for collimating or collecting light beams emitted by the light-emitting areas, and the thickness T of the adhesive layer between the optical structures and the light-emitting areas is 10-500 microns; according to the on-chip integrated collimation optical device, through the innovative on-chip integrated design, the technical bottlenecks that a traditional collimation device is large in size, complex in alignment, high in cost and the like are solved, and remarkable breakthrough is achieved in the aspects of optical performance, production efficiency, application scenes and the like.
Owner:JIAXING UROPTICS CO LTD

Method and system for fast forwarding of network packets with zero patch kernel integration

The present application relates to the technical field of computer network, and especially relates to a fast forwarding method and system of network data packet of zero-patch kernel integration. The method comprises the following steps: registering a hook function at a key node of data packet processing, obtaining a registration custom processing function, expanding a connection tracking structure in a Linux kernel connection tracking system, and adding a custom field to store a fast forwarding state; constructing a fast NAT connection table; when the data packet reaches the registration custom processing function, calculating a hash value of the data packet, searching for a corresponding connection node in the fast NAT connection table through the hash value; if the valid connection node is found, updating header information of the data packet and sending the data packet to a target interface; otherwise, marking connection tracking information and making the data packet go through a regular Netfilter processing flow. The present application can solve the performance bottleneck problem caused by the dependence of the Netfilter complete flow in the traditional Linux kernel network forwarding scheme.
Owner:HEBEI HUAWO COMM TECH CO LTD