18results about How to "Consider performance" patented technology

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.

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.

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.

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.

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.

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.

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.

This invention relates to the field of medical information security technology, and discloses a blockchain-based method and system for auditing and detecting unauthorized access to medical data. The method includes: structurally modeling medical data access behavior to construct access behavior feature vectors; performing multi-source fusion risk assessment based on an access control policy model and a behavior learning model to obtain a comprehensive risk value; executing a graded processing strategy according to the risk level and generating corresponding audit logs; structurally organizing the audit logs and constructing a Merkle tree to generate data fingerprints; writing the data fingerprints and summary information into the main chain, storing the complete audit logs in a side chain or off-chain storage, and achieving consistency verification through Merkle proofs; using smart contracts to verify the audit data and automatically execute access control responses, while simultaneously feeding back the audit results for model updates. This invention enables real-time detection, graded processing, and trusted auditing of medical data access behavior.

The utility model discloses a motorcycle front magnetorheological damper and motorcycle, including working cylinder, guider assembly, piston assembly, floating piston assembly, magnetorheological fluid, outer tube support assembly, ECU control unit and sensor, guider assembly, piston assembly and floating piston assembly are located in the inside of working cylinder, and piston assembly includes built -in solenoid and damping passage, and damping passage penetrates the upper and lower end of piston assembly, and magnetorheological fluid fills the working cavity between guider assembly and floating piston assembly, and, outer tube support assembly is at least partially coated in the outside of working cylinder, and is connected with guider assembly, and ECU control unit and solenoid electric connection are used for the signal adjustment input to solenoid's current according to sensor, like this through solenoid and the combination of magnetorheological fluid, ECU control unit can real -time regulation magnetic field intensity, change the viscosity of magnetorheological fluid to dynamic control damping force.

This utility model relates to dishwashers, specifically providing a water cup assembly and a dishwasher, aiming to solve the problem of insufficient water intake in existing dishwasher water pump inlet structures, which leads to air or foam easily entering the water pump, causing cavitation and affecting the stability and reliability of the system operation. To this end, the water cup assembly of this utility model includes: a water cup with a downwardly recessed first groove; an insert disposed within the first groove to restrict the water flow path within the first groove; the insert has a notch, allowing water in the first groove to flow along the notch. The notch in this utility model increases the water intake in the first groove, helping to form a stable water seal layer in the water tank, effectively preventing air from entering the washing pump and preventing cavitation, thereby improving the operational stability and reliability of the washing system. Simultaneously, the notch structure of the insert reduces material usage while meeting functional requirements.

This application provides a battery cell and an electrical device. The battery cell includes a positive electrode sheet, which includes a positive current collector and a positive electrode film layer. The positive electrode film layer includes a positive active material, which includes a lithium phosphate-containing material. It also includes a negative electrode sheet, which includes a negative current collector and a negative electrode film layer. The negative electrode film layer includes a negative active material, which includes at least one of a carbon material or lithium titanate. A separator includes a substrate and an elastic coating, which includes an elastic material. The substrate is located between the elastic coating and the negative electrode sheet. The compressibility of the elastic material is 50%-90%, and the areal density D1 of the elastic material satisfies 0.4 g / m³. 2 ≤D1≤1g / m 2 The thickness D2 of the negative electrode active material satisfies: 80μm≤D2≤150μm. The technical solution of this application can improve the reliability and safety of the battery.

This invention discloses a method, device, medium, and system for recommending scientific and technological achievements based on business behavior chains, belonging to the field of scientific and technological achievement recommendation technology. The steps include: profiling the organization and constructing an internal business behavior chain; upon receiving a recommendation request, reading the profiling data, performing multi-path hybrid recall, with the recall ratio of each path dynamically adjusted according to the scenario, and merging the multi-path recall results into a recall candidate set; using shared embedding hybrid dual-tower coarse ranking to score and re-rank the recall candidate set, forming a coarse-ranked candidate set; constructing prompt word templates for the coarse-ranked candidate set, inputting the prompt words into a large language model to jointly generate a matching score and a natural language recommendation reason. This invention can achieve high-precision, high-efficiency, and interpretable scientific and technological achievement recommendation in large-scale organizational internal scientific and technological collaboration scenarios.

The application belongs to the technical field of phased array antennas, and particularly relates to a 128-beam phased array based on 16 / 32 subarray division. The phased array is composed of a large-scale antenna array, a reconfigurable subarray division network, a subarray-level processing unit, a global beam synthesis unit, a beam control unit and a calibration unit. The subarray division network supports dynamic configuration of the antenna array into 16 or 32 subarrays, the subarray-level processing unit performs digital beam forming on the signals of each subarray to generate subarray-level beams, the global beam synthesis unit performs secondary synthesis on all the subarray-level beams to obtain 128 independent beams, the beam control unit provides two-stage weighting coefficients, and the calibration unit realizes real-time calibration of channel amplitude and phase. The application realizes optimal balance between hardware complexity and beam forming capability through 16 / 32 subarray flexible switching, and is suitable for large-scale multi-beam application scenarios such as low-orbit satellite communication and radar.

This invention relates to the field of optical lens technology, specifically disclosing a long focal length short-wave infrared imaging lens assembly. The lens, along its optical axis, sequentially comprises a first positive lens, a second positive lens, a first negative lens, an aperture stop, a third positive lens, a second negative lens, a fourth positive lens, and a filter. The first positive lens is a biconvex lens, the second positive lens is a meniscus positive lens, the first negative lens is a meniscus negative lens, the third positive lens is a meniscus positive lens, the second negative lens is a meniscus negative lens, and the fourth positive lens is a biconvex lens. This invention achieves achromatic aberration across a wide wavelength range of 900nm-1700nm through a precise combination of all ordinary glass materials. Combined with a matching design of thermal expansion coefficients, it achieves passive calorimetry over a wide temperature range of -40℃ to +60℃, while also possessing a 200mm long focal length, a large F2.0 aperture, and a compact size. It exhibits significant advantages such as high light transmission, stable imaging at high and low temperatures, low cost, and ease of mass production.

The application provides a stability control method, a vehicle and a storage medium. The method is applied to the field of vehicles and includes the following steps: acquiring an actual yaw rate of the vehicle and a longitudinal slip rate of each wheel; calculating a target longitudinal braking force of a corresponding wheel according to the longitudinal slip rate of each wheel and the actual yaw rate of the vehicle; and controlling a braking mechanism of each wheel to output the target longitudinal braking force. The method can control each wheel to output a more accurate longitudinal braking force, thereby keeping the vehicle body stable by independently controlling each wheel to output an accurate longitudinal braking force, effectively improving the effect of stability control, and keeping the vehicle body stable more quickly.

This disclosure relates to a rotor, a motor, and an electrical device. The rotor includes a rotor core, a plurality of first permanent magnets, and a plurality of second permanent magnets. The rotor core has a plurality of first mounting slots and a plurality of second mounting slots, which are staggered along the circumference of the rotor core, with their depth direction being the same as the radial direction of the rotor core. The plurality of first permanent magnets are fixed one-to-one within the plurality of first mounting slots and connected to the inner wall of the first mounting slots near the rotor core axis. The plurality of second permanent magnets are fixed one-to-one within the plurality of second mounting slots and spaced from the inner wall of the second mounting slots near the rotor core axis to form air gaps. This disclosure enables the motor to have low leakage flux and improves the air gap magnetic flux density of the motor, thereby achieving a balance between motor performance and efficiency.

This invention relates to the field of building waterproof coating technology, specifically to a waterproof coating for building exterior wall renovation and its preparation method. By weight, the raw materials consist of 20-60 parts acrylic emulsion, 5-30 parts polyurethane emulsion, 0.1-4.0 parts nano-silica, 0.1-2.0 parts nano-zinc oxide, 10-40 parts talc, 5-30 parts calcium carbonate, 0.1-2.0 parts composite coupling agent, 0.2-3.0 parts maleic anhydride-grafted polyethylene wax, 0.5-4.5 parts film-forming aid, 0.05-1.2 parts defoamer, 0.1-1.5 parts thickener, 0.05-0.8 parts mildew inhibitor, and 2-20 parts deionized water. The waterproof coating for building exterior wall renovation and its preparation method provided by this invention effectively solve many defects in existing waterproof coatings, possessing significant technical advantages and practical value.