67results about How to "Achieve optimal results" patented technology

The invention provides a formation method used for a lithium ion secondary battery. The method comprises the following steps that: electrolyte is injected into the lithium ion secondary battery and then aged; subsequently, the lithium ion secondary battery is charged; the charging method comprises a first charging process and a second charging process; after the first charging process is completed, the electrolyte is injected into the lithium ion secondary battery again; the injected electrolyte before the first charging process and the electrolyte which is injected into the lithium ion secondary battery after the first charging process respectively and independently are mixed solution which contains the electrolyte lithium salt and the chain-shaped acid ester; wherein, the electrolyte injected into the lithium ion secondary battery before the first charging process also contains film-forming additive; the electrolyte which is injected into the lithium ion secondary battery again after the first charging process also contains overcharging additive. The formation method of the lithium ion secondary battery of the invention can effectively improve the comprehensive electrochemical performance of the battery.

The invention discloses a millimeter wave MIMO hybrid beam forming optimization method based on deep learning. According to the millimeter wave MIMO hybrid beam forming optimization method based on deep learning, constraint conditions in a traditional millimeter wave large-scale MIMO hybrid beam forming optimization problem can be mapped into a neural network, and a multi-user hybrid beam formingsystem is completely converted into an equivalent neural network. Therefore, a complex non-convex optimization problem in hybrid beam forming can be converted into end-to-end unsupervised optimizationsimilar to an auto-encoder, and joint optimization can be carried out on a plurality of beam forming matrixes.

The invention discloses a bionic vision self-motion perception map drawing method, a storage medium and equipment. The method comprises steps of building a scene memory unit representing a spatial position and an environment landmark template according to the environment information collected by a bionic vision perception system, and generating a corresponding scene memory database; acquiring self-motion information according to a gyroscope and an accelerometer, performing direction and displacement encoding, and updating pose sensing information; correcting the self-motion information by adopting a scene memory bank and an environment landmark template; and drawing and correcting the bionic self-motion perception map according to the mutual relation among the environmental landmark template, the scene memory unit and the self-motion perception. The method is advantaged in that self-motion sensing errors can be reduced by using the visual sensing template, and precision of self-positioning and accuracy of closed-loop detection of the scene memory unit are improved.

The invention discloses a method for intelligently adjusting the endoscope illuminance, which comprises the following steps of: step 1, initializing; step 2, outputting standard illuminance by a cold light source of an endoscope; step 3, when the endoscope is in a working state, observing and acquiring the interior real-time image of a human organ; step 4, respectively obtaining the pixel values R1(u, v), G1(u, v), B1(u, v) and the average values bar(R)1(u, v), bar(G)1(u, v), bar(B)1(u, v) of the pixel values of the R, G and B three primary colors of an RGB real-time color image; step 5, carrying out color cast correction on the real-timely acquired image; step 6, selecting the maximum and minimum from the pixel values of the three primary colors after the color cast correction; step 7, correcting the image brightness; step 8, calculating the image pixel average value after the image brightness correction and the comprehensive average value thereof; and step 10, comparing J and J0 in the database, and adjusting the illuminance output of the cold light source. According to the method, the endoscope illuminance can be intelligently adjusted to realize an optimized effect no matter how the endoscope is bent.

The invention discloses an intelligent adjusting device of endoscope illumination. The device comprises a medical endoscope, an image acquisition card, a signal processor, a controller, a switching power supply module and a cold light source. Light emitted by the cold light source is sent to the medical endoscope which converts light signals into image signals and transmits the image signals to the signal processor through an image output interface and the image acquisition card; the signal processor receives and processes the image signals transmitted by the image acquisition card, performs color cast correction and image brightness correction on images acquired in real time by establishing classic color images and a color characteristic data bank of the color images, and transmits illumination output control instructions of the cold light source to the controller; and the controller changes switching control signal output phases according to the control instructions of the signal processor to enable direct voltage output by the switching power supply module to change correspondingly, so that the working voltage of the cold light source is changed, and the illumination output by the cold light source is optimized.

The invention provides a UWB positioning method based on taylor series expansion of a mixed least square method. The UWB positioning method based on taylor series expansion of the mixed least square method comprise the steps that firstly, the mixed least square method is used for directly processing the time when a pulse signal sent by a UWB tag is received by a base station to obtain a positioning initial value; then a taylor series expansion algorithm is used for processing the obtained initial positioning value again to enable the initial positioning value to be more accurate; and finally,an extended Kalman filter is used for connecting the obtained discrete positioning points into a track through a motion model to achieve the optimization effect on positioning accuracy. The UWB positioning method has high positioning precision and good anti-interference effect, and effectively improves positioning efficiency.

The invention discloses a digital model-based method for optimizing and allocating electromagnetic compatibility indexes. The technical scheme comprises the following steps of: analyzing the frequency of interference frequency points and simulating by using a computer to obtain an overall reformation index; optimizing and simulating adjustable factors, and combining the actual expense required inthe engineering to obtain a digital model of a utility-expense ratio relation; extracting marginal utility curves of the adjustable factors based on the model; and obtaining the optimal allocation indexes according to an equimarginal utility principle. In the index allocation, the marginal utility of each reformation factor is extracted according to the utility-expense ratio relation in the process of reforming each factor of three electromagnetic compatibility factors. According to a principle that the marginal utility of the reformation effect is gradually decreased in the practical situation, under the condition that the sum of sub-indexes meets the requirement of an overall index, when the marginal utility of each factor is equal, the optimum effect of the index allocation can be achieved.

The invention provides a chart display defect optimization method based on chart types and data feature scenes. The method comprises the following steps of: after the loading of charts is completed, obtaining a chart generating code corresponding to the charts; calling a scene detection interface according to the chart generating code; performing scene detection according to data and the chart types of charts to be generated; determining a matched scene, and then, calling a scene solution; and optimizing the chart display defects. The method has the advantages that restoration and regulation can be fast and effectively performed on the chart display defects due to the chart types and the data features in the chart generating process; and various charts with good interface displaying are generated.

The invention relates to a method for carrying out surface processing on an electronic circuit board (PCB) by a developing machine after welding prevention processing, which comprises the following procedures of processing by a first developing trough, primary wind pressure tube water prevention, processing by a second developing trough, secondary wind pressure tube water prevention, processing by a third developing trough, tertiary wind pressure tube water prevention, medium pressure washing, processing by a punching water jet scalpel, composite washing, processing by a sponge roller, cold air drying, hot air drying, inspection and the like. In the invention, after spray disks of the developing troughs are structurally regulated and the punching water jet scalpel is added, no residual ink is generated at the bottom of a blink hole and no phenomenon of poor hole blockage of a through hole is generated; by a wind pressure water prevention mode, the defect that after the ink is rolled by the roller, the copper surface of the PCB is stained with the ink can be improved and the amount of printing ink on pad can be reduced; the water using amount can be saved; the speed of the developing machine can be improved, the production efficiency is promoted, the scrappage is reduced and the yield rate of the PCB can be promoted.

The invention provides a method for separating and purifying xylanase from waste flammulina velutiper cultivation materials. According to the method, digestion conditions of xylanase left in the waste flammulina velutiper cultivation materials are optimized, and methods such as ammonium sulfate precipitation, dialysis, SephadexG-100 sephadex chromatography and DEAEC-52 ion-exchange chromatography are adopted to separate and purify cellulose, and the purity of protein achieves electrophoresis purity by virtue of SDS-PAGE identification. The xylanase is extracted from the waste flammulina velutiper cultivation materials and is effectively separated and purified, the structure and the function of xylanase can be deeply studied, and the scientific reference is provided for production and application of xylanase.

The invention relates to a single-cylinder bolt multistage sequential extension path optimization method, and belongs to the single-cylinder bolt multistage sequential extension path optimization method. Middle states of all arc sections are extracted according to three states for arrangement and combination to generate multiple middle state sets tM{}; and a shrinkage arm limit combination to be searched is searched from the generated middle state sets. The middle state sets are sent to an estimation formula series in sequence; and the state sets satisfied by all estimation formulas are the shrinkage arm limit state sets. The method is simple and clear in flow, and in particular, is suitable for program realization; and in particular, when the arm section number n and the pin hole number m are increased, the program can be conveniently performed.

The invention relates to an optimization method of an artificial bee colony algorithm based on multiple improved strategies. According to the invention, a differential evolution strategy (DES), a trigonometric factor oscillation strategy (TFOS), a heterogeneous learning strategy (DDVLS) and a Gaussian distribution strategy (GDS) are improved, the global search capability of the algorithm is enhanced, the understanding precision is improved, and finally, a global optimal solution is obtained, so that the defects of the ABC algorithm are effectively overcome, the accuracy is improved, the convergence speed is increased, and the effect of optimizing the classical ABC algorithm is achieved.

The invention relates to an electric automobile wireless charging system suitable for a multi-angle curve, which is used for maintaining the stability of mutual inductance and voltage stability and increasing the mutual inductance and pickup voltage when an electric automobile makes a turn. The system comprises a transmitting coil turning along with the road surface, a rectangular pickup coil mounted on a chassis of the electric automobile, and a compensation coil arranged right above the rectangular pickup coil in parallel, wherein the electric automobile runs right above the transmitting coil, and the rectangular pickup coil and the compensation coil are connected in parallel to drive the electric automobile. Compared with the prior art, the wireless charging system has the advantages ofreducing fluctuation, improving pickup voltage and the like.

The invention relates to an electronic device, a report database optimization method and a storage medium. The method comprises the following steps of: obtaining various types of original reports in each system of an application database and extracting corresponding original report data from the various types of original reports; determining a predetermined topic model type, to which each originalreport belongs, and extracting core elements from original report data of each original report on the basis of the predetermined topic model type, to which the original report belongs; and establishing a report model corresponding to each topic model type on the basis of the extracted core elements. According to the report database optimization method, relatively stable and reliable structures ofreport databases can be kept so as to achieve the effect of optimization.

The invention discloses a cross-layer optimization method for radio network resource management based on joint game. The method is applied in the radio network, aims at multiple radio network resources and multiple protocol stack layers, takes the correlation between the radio network resources and the protocol stack layers into consideration, and is used for integrally and reasonably optimizing the resources in radio network cells and achieving the needed optimization objective. In the involved radio network protocol stack layers, a corresponding game model is built in each layer according to the function characteristics of each layer in the involved protocol stack, the game strategy space and results in other protocol stack layers are taken into consideration when the game model in each protocol stack layer is built, the game objective of the upper protocol stack layer is set as the overall objective of the system according to the needs, and game in other protocol stack layers serves the game in the upper protocol stack layer to mainly enlarge the strategy space for the objective protocol stack layer or optimize the game objectives, thereby finally achieving the required overall optimization objective.

The invention provides a preparation method of an alpha-amino-nitrile compound taking pyrrolidine tertiary amine as a primer. The preparation method comprises the following step of green synthesis ofalpha-amino-nitrile through a one-pot process by taking potassium ferrocyanide as a cyaniding reagent and an iodine phenyl compound as a reaction accelerant under the condition of a compound solvent containing trifluoroethanol and a catalyst. The invention provides the safer cyaniding reagent and an efficient synthetic method of alpha-amino-nitrile with mild reaction conditions. The preparation method is simple in post treatment, mild in reaction condition and short in reaction time, and develops a simple and efficient synthetic route for cyaniding synthesis of pyrrolidine tertiary amine.

A classroom environment control system relates to the technical field of environment monitoring. A temperature sensor, a carbon dioxide concentration sensor, an illumination intensity sensor, a liquid crystal screen, a fluorescent lamp, a buzzer, a relay, an infrared diode, and a light emitting diode are connected to a logic control circuit; a power source supplys electricity to the logic control circuit; the logic control circuit reads a temperature value of the temperature sensor, compares the temperature value with a preset value, controls starting or stopping of an indoor air conditioner through the infrared diode, or controls starting or stopping of an indoor fan through the relay; when the logic control circuit detects the fact that the carbon dioxide concentration is higher than a preset value, the buzzer is started, the liquid crystal screen displays an alarm state so as to prompt windowing and air-exchange; and the illumination intensity sensor detects the current illumination intensity, and controls the brightness of the fluorescent lamp in real time. The classroom environment control system can intelligently control a classroom environment, can achieve an optimized effect of the classroom environment, is beneficial to physical and mental health of students, can improve the leaning efficiency of the students, and can save energy and protect an environment.

The invention discloses a comprehensive scheduling algorithm considering on-time completion and energy consumption. The method comprises the following steps: determining a scheduling sequence of processes by adopting an energy consumption priority strategy; for a non-subtree key energy consumption process, determining processing equipment by adopting an equipment time consumption distribution strategy; for the key energy consumption process of the sub-tree, determining initial processing equipment by adopting a process time consumption balancing strategy; when the sub-tree key energy consumption process does not meet the time constraint after being scheduled on the initial processing equipment, re-determining the process processing equipment by adopting a process equipment adjustment strategy; and carrying out final equipment adjustment on the working procedures which do not meet the requirement of finishing on time by adopting a delivery time backtracking adjustment strategy.

The invention discloses an emergency situation handling dynamic route monthly planning method for a security system. The method comprises the following steps: obtaining geographical location information and time information, determining all possible paths, determining the concrete roads of every path, determining the traffic time tij of every road, determining the traffic time T1, T2, ..., Tn of every path, and calculating the sum of all the traffic times of the roads of every path i according to the following formula: Ti = ti1 + ti2 + ... + tim; and taking the minimum value Ta from the T1, T2, ..., Tn, and determining the route a as the target route, that is a vehicle selects the path a as the final driving path, and selects a corresponding speed as a driving speed. Newest calculated traffic time data of the front road is especially timely used, so the time selection of the roads is dynamic; and a security service station having a shortest distance to emergency situation point and a corresponding route are found, so the uncertainty of the time of the security vehicle running to a fire scene is greatly reduced.

The present invention discloses a figure optimization method of a surface acoustic wave filter chip after a lift-off process. The method comprises the concrete steps: corrosive liquid is uniformly distributed at the surface of a wafer and is configured to corrode the wafer figure, wherein the temperature of the corrosive liquid is maintained in the range of 22 DEG C to 24 DEG C and the rotation speed of a clamp is 1500 rpm+_ 50 rpm; the corrosive liquid or deionized water are configured to scour the surface of the chip through adoption of a centrifugal force generated by rotation of the clamp; the corrosion time is in the range of 60s to 90s, the corrosive liquid is configured to clean the chip, and when the corrosion time is up, the corrosive liquid is closed and the deionized water is opened to clean the chip; and the cleaning and the drying are performed after the corrosion is end, and the figure optimization of the surface acoustic wave filter chip after the lift-off process is completed. According to the invention, the center frequency of a surface acoustic wave filter chip is enhanced, and the reverse offset, of uniform line width caused in the process of photoetching development, is performed; and moreover, the reliability of surface acoustic wave filter products is improved.