25 results about "Hybrid solution" patented technology

The present application relates to the technical field of agricultural machinery. Disclosed are a hybrid combine harvester, and a control method and a controller therefor. The harvester comprises: a hybrid system comprising a power battery and a range extender composed of an engine and a generator; an operation system comprising a plurality of operation components and a plurality of operation electric motors enabling each operation component to be driven by an electric motor; a traveling system comprising traveling wheels and traveling electric motors for driving the corresponding traveling wheels; and a control system comprising a vehicle controller and a plurality of electric motor controllers respectively corresponding to the operation electric motors, the traveling electric motors and the generator. The hybrid system supplies, in response to a power control strategy of the control system, power to corresponding electric motors in the operation system and the traveling system, so as to drive the harvester to travel and operate. The present application realizes a full electric-drive hybrid solution of the harvester, and avoids the problem of efficiency caused by multi-stage mechanical transmission of a traditional harvester.

This invention provides a hybrid solution method for computational fluid dynamics software structural solvers. The method first determines whether some model equations employ a loosely coupled approach, specifying that the number of conserved quantities equals the number of tightly coupled conserved quantities. Then, it iteratively solves the problem block by block, successively solving both tightly coupled and loosely coupled equation sets. Finally, it merges the loosely coupled and tightly coupled conserved quantities until all grid blocks have been iteratively solved. This method simultaneously implements both tightly coupled and loosely coupled architectures within a single data structure, enabling the software to simultaneously achieve high solution accuracy, high efficiency, and scalability.

The application discloses a kind of scanning path planning methods, equipment, medium and product for aircraft upper surface, which comprises: based on curvature, normal vector and point cloud density joint detection algorithm, the overall point cloud data of the aircraft to be scanned is divided into data, to obtain each target point cloud partition corresponding to each target functional partition in the upper surface of the aircraft, after rectification treatment along the direction of normal vector, generate initial candidate viewpoint set and screen out safe viewpoint set.According to the visibility matrix constructed by the sensor model, the optimal viewpoint set is screened out from the safe viewpoint set using the greedy algorithm, and at least one optimal access sequence is solved using a hybrid solution strategy.The scanning path corresponding to each optimal access sequence is constructed and respectively issued to the unmanned aerial vehicle.The technical scheme can improve the detection efficiency and safety of the upper surface of the aircraft, and enhance the degree of automation and detection stability of the system.

Systems and methods described for adaptive edge dimming are disclosed. A video processing system analyzes video frames in a video stream, and determines display settings corresponding to a target display device. The system further analyzes aspect ratio of the frame, excluding any black bars, with respect to aspect ratio of the display (or playback window in windowed mode). Based on this comparison the system adaptively applies edge dimming to exclude the black bars. Edge dimming can also be implemented as a hybrid solution, wherein the source detects the region for edge-dimming and transmits metadata to the sink device for applying the edge-dimming.

The invention discloses a micro-grid group electric energy-warrant hybrid transaction optimization method, which comprises the following steps of: establishing a multi-micro-grid system architecture comprising a virtual operator decision-making layer and a micro-grid optimization layer, and constructing an electricity utilization right and power generation right transaction mechanism based on the architecture; constructing a double-layer game optimization model which comprises an upper-layer virtual operator price decision model and a lower-layer multi-microgrid resource scheduling model; solving the double-layer game optimization model by adopting a mixed solving strategy combining an improved particle swarm optimization algorithm and an fmincon function; and fairly distributing the income of the virtual operator among the multiple micro-grids based on an improved Shapley value method. According to the method, the virtual operator is introduced as a coordination center while the operation autonomy of each micro-grid is guaranteed, the mechanism can effectively aggregate the system flexibility and guide the multiple micro-grids to cooperatively participate in main grid interaction, organic unification of local scheduling autonomy and system global optimization is realized, and the overall operation efficiency and the renewable energy consumption capability are improved.

The invention discloses a booster station slope automatic monitoring and early warning system based on the Beidou technology, and relates to the technical field of booster station slope monitoring, and the system comprises a monitoring terminal module, a preprocessing module, a positioning calculation module, a trend prediction module, an abrupt change detection module, an early warning decision module, and a sampling regulation and control module. The monitoring terminal module is used for arranging a plurality of Beidou receiving terminals on a booster station slope and collecting original observation data; the preprocessing module is used for performing cycle slip repair and quality evaluation on original observation data to generate an observation data sequence; the positioning resolving module is used for acquiring high-precision three-dimensional coordinates of each monitoring point of the booster station slope by adopting a precise single-point positioning and real-time difference mixed resolving method fused with multi-system information according to the observation data sequence output by the preprocessing module, and converting the high-precision three-dimensional coordinates into a real-time displacement sequence under a local coordinate system; and the trend prediction module is based on a displacement sequence.

The invention is applicable to the technical field of proton exchange membranes, and particularly relates to a preparation method of a modified proton exchange membrane, which comprises the following steps: pretreating a basement membrane to obtain a hydrogen-type perfluorosulfonic acid membrane; then soaking in an organic solvent, and swelling at 60-80 DEG C for 1-4 hours; preparation of a hybrid solution: sulfonated polyimide is dissolved in N, N-dimethylacetamide, and a settled solution with the concentration of 1-5 wt% is prepared; in-situ hybridization film formation: immersing the swelled substrate film into the prepared hybridization solution, and reacting at 60-80 DEG C for 6-24 hours; and post-treatment: washing with absolute ethyl alcohol to remove the polymer physically adsorbed on the surface of the membrane, and drying to obtain the modified proton exchange membrane. According to the invention, the problems of high methanol permeation, poor high-temperature low-humidity performance, unstable size and the like are solved, multiple key performance indexes are obviously improved unexpectedly, and the preparation method has huge application potential in the field of preparation of methanol fuel cells and high-temperature proton exchange membrane fuel cells.

To provide a fuel injection device capable of further promoting mixing of fuel injected into a combustion chamber and air.SOLUTION: A fuel injection device for injecting fuel into a combustion chamber of an engine includes a nozzle body in which a plurality of injection holes communicating with the combustion chamber and configured to inject fuel are formed at a tip end portion, and the plurality of injection holes include at least one diffusion injection hole connected to a diffusion injection hole opened in the combustion chamber and having a diffusion outlet portion configured such that a length of a cross section in a first direction increases toward the diffusion injection hole, and at least one penetration injection hole connected to a penetration injection hole opened in the combustion chamber and having a penetration outlet portion configured such that a cross-sectional area does not increase toward the penetration injection hole.SELECTED DRAWING: Figure 1

The application provides a preparation method of temporary protective water-based paint and relates to the technical field of high polymer protective coating. The method comprises the following steps: under the action of an initiator and an accelerator, water-based unsaturated polyester and acrylic monomers are subjected to a polymerization reaction in a protective atmosphere to obtain a polyester-acrylate hybrid solution; under the stirring of an environment at 45-55 DEG C, a hydrolysis catalyst is added to the polyester-acrylate hybrid solution, and the temporary protective water-based paint is prepared after cooling to room temperature; wherein the hydrolysis catalyst is used for hydrolyzing ester groups and forming carboxylic acid groups. The water-based unsaturated polyester-acrylic resin emulsion prepared by the method has small particle size, concentrated distribution, high conversion rate, excellent scratch resistance and water solubility after film formation, is suitable for temporary protection during the installation process of various materials, and can be removed by using water at 20 DEG C or above after completing the temporary protection.

This invention relates to the field of evaporative cooling technology and discloses a method for calculating the circulating flow rate of a wind turbine evaporative cooling system. The method includes: simplifying the geometric structure of the wind turbine evaporative cooling system by equivalent means, reducing the multi-channel evaporative cooling loop to a closed loop composed of n parallel heating channels; establishing a two-phase fluid dynamics model based on a one-dimensional homogeneous equilibrium model to obtain the calculated relationships of pressure drop, frictional resistance, and two-phase flow parameters for each heating channel; expressing the pressure drop equilibrium condition of each heating channel as an implicit nonlinear equation set in the two-phase fluid dynamics model, and obtaining the mass flow rate solution using an iterative solution method; and employing a hybrid solution strategy combining particle swarm optimization (PSO) and Newton's method to calculate the circulating flow rate. This invention combines PSO and Newton's method to form a two-stage hybrid solution strategy, which is an effective way to solve the problem of multiple solutions for the circulating flow rate of evaporative cooling systems.

The invention provides a high-strength nano aerogel building material and a preparation method thereof.The preparation method comprises the steps that under the condition of 5 DEG C, a space template solution, a silicon source solution and composite acid are mixed, the temperature is increased to 40 DEG C, a hydrolysis reaction is conducted, and a uniform hybrid solution is obtained; adding a functional filler into the uniform hybrid solution, stirring, adding a cross-linking monomer and an initiator, heating to 50-80 DEG C, and carrying out primary polymerization reaction to obtain a prepolymer; pouring the prepolymer into a freezing mold, applying axial pressure difference for freezing to form an ice crystal orientation object, transferring the ice crystal orientation object into a vacuum environment, and heating and drying to obtain an aerogel blank; placing the aerogel blank in a supercritical carbon dioxide environment with a temperature of 40 DEG C and a pressure of 9 MPa, injecting a polymerization enhancement liquid, carrying out a secondary polymerization reaction, carrying out oxygen-argon plasma treatment after the reaction is completed, carrying out hot pressing at a temperature of 80 DEG C, and cooling to obtain the high-strength nano aerogel building material. Therefore, the mechanical strength of the aerogel building material is improved.

The invention discloses an electrolytic aluminum load adjusting method based on master-slave game price feedback, relates to a new energy power grid adjusting method, and aims to solve the problem that the safe operation of a power grid is affected due to insufficient new energy consumption caused by the fact that the existing electrolytic aluminum load power adopts fixed instruction and one-way control and cannot be dynamically adjusted along with wind power photovoltaic real-time fluctuation. The method comprises the following steps: acquiring regional power grid side data, electrolytic aluminum user side data and algorithm parameter data; constructing a master-slave game optimization model, and based on algorithm parameter data, carrying out iterative optimization on the double-layer optimization model by adopting a hybrid solving strategy combining a parallel particle swarm algorithm and a solver to obtain an optimal compensation price and an electrolytic aluminum optimal power regulation quantity under a Nash equilibrium condition; and the regional power grid implements excitation according to the optimal compensation price, and the electrolytic aluminum user executes real-time power adjustment according to the optimal power adjustment quantity to complete electrolytic aluminum load power adjustment. The method has the beneficial effects of improving new energy consumption efficiency and guaranteeing power grid safety.

Disclosed is a manual mixing pump comprising: a body comprising a hollow cylindrical portion having a first end and a second end, a base portion closing the first end, and a cap portion closing the second end, the cap portion having a first bore and a second bore; the first one-way valve is arranged in the first hole of the sealing cover part; the second one-way valve is arranged in the first hole of the base part; a manual pump mechanism comprising a piston having a hollow inner chamber, a third one-way valve, a fourth one-way valve, a shaft having a hollow inner region and first and second ends, and a handle connected to the second end of the shaft outside the body; and a motor-driven pump mechanism comprising: an impeller mechanism comprising an impeller element connected to a motor configured to rotate the impeller element. According to the manual mixing pump disclosed by the invention, a mixing solution combining manual pumping and motor-driven pumping is provided, and reliable operation of the pump under different conditions is ensured.

The application discloses a multi-black production gang false data injection attack defense technology, comprising the following steps: establishing a state space model and an attack model of a smart grid feeder automation system; constructing a Stackelberg game model between a defender alliance and multiple non-cooperative black production gangs; determining the defense cost of the defender alliance and the attack cost of each black production gang; constructing a benefit function of the defender and each black production gang; introducing a probability defense mechanism and a quadratic defense cost function to reconstruct the benefit function; and based on a hybrid solution technology combining an enumeration method and a genetic algorithm, solving the game equilibrium strategy. The application can effectively improve the security and stability of the system in the face of complex multi-black production gang scenarios by constructing a Stackelberg game model between a defender alliance and multiple non-cooperative black production gangs and optimizing the power grid defense resource allocation strategy.

This invention relates to the field of gear processing and manufacturing technology, and more specifically to a method for predicting the surface roughness of internal meshing high-strength honing gears considering multi-factor coupling. The method includes the following steps: S1, constructing the tooth surface equation and honing coordinate system, calculating the corresponding internal honing wheel tooth surface, and obtaining the position and velocity information of the meshing point; S2, employing an analytical-numerical hybrid solution strategy to obtain the geometric characteristics and induced curvature of the topology-modified workpiece tooth surface and the implicit envelope surface of the honing wheel at the instantaneous meshing point; S3, constructing a dual-stochastic statistical model integrating abrasive grain size and cutting edge height, and using a local abrasive grain modeling method based on the instantaneous meshing point to characterize the micro-topology of the honing wheel; S4, establishing a dynamic prediction model considering machine tool vibration, and obtaining the real-time displacement deviation caused by machine tool vibration through signal acquisition and frequency domain reconstruction; S5, coupling the micro-material removal mechanism to establish a single abrasive grain groove depth model, achieving quantitative prediction and evaluation of the overall tooth surface roughness characteristics.

The application discloses a kind of electromagnetic simulation multiscale region segmentation methods based on deep learning, constructs and trains deep learning model, for identifying key area and non-key area in electromagnetic simulation region;Training process uses labeled data set and uses cross-validation method to optimize model performance;Key area is simulated using full-wave solution method, and the field distribution of key area is obtained;Non-key area is simulated using high-frequency approximation method, and the electromagnetic field generated after the reflection of incident wave by object surface is simulated;Dynamic boundary condition is generated at the boundary of key area and non-key area, to ensure the continuity and consistency of field value.The application realizes the optimized configuration of computing resources in large-scale electromagnetic simulation scene by the combination of deep learning and hybrid solution strategy, focuses the limited computing power on high-precision demand area, and significantly improves the simulation efficiency and overall performance.

The invention provides an opencast coal mine dynamic scheduling method and device based on multi-objective optimization, equipment and a medium, and the method comprises the steps: collecting the operation state data, position information and environment data of coal mine equipment in real time, and carrying out the preprocessing of the data as to-be-processed data; based on a multi-target weight dynamic allocation mechanism and a hybrid solution algorithm, carrying out analysis and optimization calculation on the to-be-processed data to generate an optimal scheduling instruction; issuing the optimal scheduling instruction to the coal mine equipment through a lightweight communication protocol, and receiving execution state information fed back by the coal mine equipment; monitoring the operation state of the coal mine equipment in real time, and performing early warning on possible faults of the coal mine equipment through data analysis and a machine learning algorithm; and visually displaying the operation state of the coal mine equipment and the execution condition of the scheduling instruction so as to solve the problem that the scheduling instruction and the actual execution result have large deviation in the open pit coal mine mining operation.

The present application relates to the technical field of water conservancy and hydropower engineering design, and discloses a dam multi-physical field coupling design method, device, equipment and medium, the present application constructs a heterogeneous hybrid solution architecture of embedding a machine learning model and a numerical solution model which is constrained by a physical control equation, and differentiates model selection based on the difference in the rate of change of each physical field in space and time, fundamentally solving the core contradiction between the low efficiency of traditional pure numerical simulation and the lack of physical constraints in pure data-driven machine learning models which are prone to non-physical solutions; at the same time, through mutual feedback type two-way coupling iteration of the response results of each physical field, the solution efficiency and solution accuracy are simultaneously considered; on this basis, combined with the adaptive screening mechanism of the multi-working-condition differentiated response weight strategy, the design scheme can dynamically adapt to the core needs of different service working conditions, significantly improving the engineering practicability of the design scheme.

This utility model relates to the field of hybrid power transmission technology, and in particular to a front-wheel drive single-motor two-speed hybrid power transmission. It is a front-wheel drive single-motor two-speed hybrid solution built upon a vehicle equipped with a rear-wheel pure electric drive system. It includes two power sources: an engine and a generator. It also includes a gear-clutch transmission system that performs power transmission, containing a clutch and a synchronizer. The clutch connects to the engine and determines whether the engine participates in operation; the synchronizer switches between the two gears and transmits power to the front wheels, determining whether the engine and generator participate in vehicle driving and the driving gear. On one hand, the generator can generate electricity to provide power to the vehicle and also participate in vehicle driving; on the other hand, the engine can drive the generator to generate electricity and also participate in vehicle driving. Combined with the rear-wheel pure electric drive system, it achieves two-speed four-wheel pure electric drive, range-extended drive, and two-speed four-wheel hybrid drive.

The application discloses a kind of based on car's adaptive heat management method and system, belong to new energy automobile heat management technical field.The system includes heat management executive mechanism, whole vehicle controller, state collector, adaptive optimizer and flow distribution valve;The whole vehicle controller is connected with state collector and adaptive optimizer communication respectively;The state collector includes ambient temperature sensor, battery temperature sensor, passenger cabin temperature sensor and passenger cabin heat flow sensor;The input end of the flow distribution valve is communicated with liquid cooling liquid heat unit, two output ends are communicated with battery cooling heating plate and warm air core respectively, form single loop collaborative structure.The application improves temperature prediction accuracy through working condition adaptive prediction, dynamic weighted optimization and hybrid solution strategy, realizes the collaborative optimization of battery temperature control and passenger cabin comfort, effectively reduces system energy consumption, prolongs whole vehicle cruising range, while simplifies system structure, reduces manufacturing cost.

The application provides a titanium alloy etching liquid and a preparation method thereof, and belongs to the technical field of etching compositions, and comprises the following steps: S1, dissolving aminothiourea in anhydrous ethanol under continuous stirring, then adding 3-acetyl coumarin solution dropwise, mixing and stirring, adding concentrated acetic acid dropwise, refluxing under continuous stirring, cooling, filtering, taking out the solid, washing, and obtaining a coumarin-thiosemicarbazide hybrid; S2, adding the coumarin-thiosemicarbazide hybrid into anhydrous ethanol, heating, and ultrasonic treating to obtain a coumarin-thiosemicarbazide solution; and S3, uniformly mixing deionized water, citric acid, ammonium citrate, a hydroxyethylidene diphosphonic acid aqueous solution, hydrogen peroxide and the coumarin-thiosemicarbazide hybrid solution to obtain the titanium alloy etching liquid. The application can make etching be carried out efficiently and stably while avoiding the occurrence of side etching.

The invention provides a titanium alloy etching solution and a preparation method thereof, and belongs to the technical field of compositions for etching, and the preparation method comprises the following steps: S1, dissolving thiosemicarbazide in absolute ethyl alcohol under continuous stirring, then dropwise adding a 3-acetocoumarin solution, mixing and stirring, dropwise adding concentrated acetic acid, refluxing under continuous stirring, cooling, filtering, taking out a solid, and washing to obtain a titanium alloy solution; a coumarin-thiosemicarbazide hybrid is obtained; s2, adding the coumarin-thiosemicarbazide hybrid into absolute ethyl alcohol, heating, and carrying out ultrasonic treatment to obtain a coumarin-thiosemicarbazide solution; and S3, deionized water, citric acid, ammonium citrate, the hydroxyethylidene diphosphonic acid aqueous solution, hydrogen peroxide and the coumarin thiosemicarbazide hybrid solution are mixed to be uniform, and the titanium alloy etching solution is obtained. According to the invention, the etching can be carried out efficiently and stably, and the lateral erosion phenomenon can be avoided at the same time.

Described is a computer apparatus (900) for generating a rendered frame (108), the computer apparatus (900) being configured to: obtain one or more 3D scene representations (103) corresponding to the frame, a camera pose (101) corresponding to the frame, and one or more camera characteristics (102) corresponding to the frame; partition the frame into two or more parts (203a, 203b, 203c); render a first part (203a) of the frame using a first rendering method (105a), and render a second part (203b) of the frame using a second rendering method (105b), the first rendering method (105a) being different to the second rendering method (105b); and compose the rendered frame (108) based on first rendered part (106a) of the frame and the second rendered part (106b) of the frame. In this way, more appropriate different rendering methods may be applied for the different parts of the frame.

The invention provides a method for modifying a hydraulic oil purification glass fiber filter membrane based on a surface micro-nano rough structure, and relates to the technical field of filter membrane modified.The method comprises the steps that superfine glass fibers with the average diameter smaller than or equal to 4 micrometers are adopted as main fibers, 5%-20% by mass of double-melting-point plant fibers and 1%-10% by mass of shear response reinforced resin are added, glass fiber composite fiber slurry is prepared, and the glass fiber composite fiber slurry is prepared; wherein the double-melting-point plant fiber is selected from one or more of softwood pulp, hardwood pulp, self-boiled cotton stalk pulp and cotton linter, the shear response reinforced resin is polyurethane-epoxy hybrid resin, a quantitative 50-200g / m glass fiber filter membrane base material is obtained through wet forming, a TiO2 nanorod array is grown in situ through a hydrothermal combined differential etching process, and the glass fiber filter membrane is prepared. And a ternary hybrid solution is combined to construct a secondary coarse structure layer, so that ordered construction of a micro-nano hierarchical coarse structure on the surface of the filter membrane is realized, the hydrophobic and oleophylic properties are improved, and the capture of micron-sized water drops and the oil-water separation efficiency are effectively improved.

The invention provides an anti-static liquid hardener, and relates to the technical field of hardeners. The anti-static liquid hardening agent comprises a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 80-90 parts of a modified silicate hybrid solution, 10-15 parts of an organosilicon monomer, 1-2 parts of a penetrant and 1-3 parts of an emulsifier; the modified silicate hybrid solution is a stable solution formed by grafting a part of reactive organic silicon monomers on a silicate skeleton through covalent bonds by a sol-gel method; the component B comprises the following raw materials in parts by weight: 2-4 parts of a multifunctional nano-crystallization agent and 2-4 parts of a catalyst. The anti-static liquid hardener solves the technical problems that a traditional hardener is insufficient in sealing performance and abrasion resistance, and the anti-static performance is difficult to reach the excellent level at the same time.