Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

591results about How to "Solve the impact" patented technology

Method for extracting gas from separation layer below overlying strata, draining water and grouting through combined drill hole

The invention discloses a method for extracting gas from a separation layer below an overlying strata, draining water and grouting through a combined drill hole and belongs to a mine disaster prevention method. The method for extracting gas from the separation layer below the overlying strata, draining water and grouting through the combined drill hole includes that installing a drill site at a transportation roadway of a preparatory work face adjacent to a coalface, constructing the combined drill hole in the part about to generate the separation layer below the overlying strata above the gob of the coalface in a mode of keeping away from a caving zone, wherein the combined drill hole is composed of an inside gas extraction pipe and a water draining-grouting pipe; after the separation layer is generated, preventing the mine disaster according to the stages that firstly, draining water from the separation layer through the combined drill hole; secondly, after the gas is gathered in the separation layer after the water in the separation layer is emptied, using the primary combined drill hole to extract the gas from the separation layer; finally, after the water and gas are completely drained and extracted from the separation layer, filling cement paste to the separation layer through the primary combined drill hole. The method for extracting gas from the separation layer below the overlying strata, draining water and grouting through the combined drill hole is capable of solving the mine disasters of water bursting in mine, gas outburst (gas emission), rock burst, surface subsidence and the like through the combined drill hole, the separation layer water and gas extraction rate is high, and the grouting effect is good.
Owner:CHINA UNIV OF MINING & TECH

Dynamic coordinated control method for gear-shifting process of hybrid electrical vehicle

ActiveCN102616239AAvoid the conundrum of inaccurate real-time estimatesSolve the impactHybrid vehiclesCoordinate controlLoop control
The invention relates to a dynamic coordinated control method for a gear-shifting process of a hybrid electrical vehicle based on motor speed closed-loop control, which includes entering control logic, entering dynamic coordinated control strategy for the gear-shifting process and quitting the control logic. The method includes steps: firstly, judging after entering the control logic, entering the dynamic coordinated control strategy for the gear-shifting process when the hybrid electrical vehicle has operating mode of engine driving and an expected gear is different from an actual gear, otherwise, an expected engine torque and an expected motor torque set via a vehicle energy management strategy are implemented by an engine and a motor; secondly, setting corresponding engine and motor coordinate control strategy according to engine torque reducing process, gear-selecting and gear-shifting process and engine torque restoring process which are necessary to gear shifting of an automatic gearbox after entering the dynamic coordinated control strategy for the gear-shifting process; and thirdly, quitting the dynamic and coordinate control strategy and driving according to a new gear when a target gear is identical with the actual gear and difference between the engine torque and the expected engine torque set via the energy management strategy is in a preset range. The dynamic coordinated control method can be widely used for gear-shifting processes of various hybrid electrical vehicles.
Owner:TSINGHUA UNIV

Enteromorpha detection method and enteromorpha detection device

The invention provides an enteromorpha detection method and an enteromorpha detection device. The enteromorpha detection method comprises the steps as follows: using a deep learning method to design a model for selected sample data to obtain a default convolutional neural network model; iteratively training the obtained default convolutional neural network model for multiple times, and determining the default convolutional neural network model as an actual application convolutional neural network model when the precision of the default convolutional neural network model reaches a preset threshold; and detecting green tide information of a collected to-be-detected area according to the determined convolutional neural network model, and outputting a detection result indicating whether the green tide information is enteromorpha. According to the invention, a large number of data is calculated automatically by using a convolutional neural network to obtain hyper-high-dimensional features, the staff participation is reduced, and the calculated sample features are highly reliable relative to the corresponding thresholds. The method and the device are of high robustness. The problem concerning the influence of the environment, satellites and other factors is solved, the workload is reduced greatly, and the identification effect is improved.
Owner:NAT SATELLITE OCEAN APPL SERVICE

Speech recognition method and speech recognition device

The invention provides a speech recognition method and a speech recognition device. The method comprises steps that: multiple candidate identification results outputted by a speech recognition system are received, the multiple candidate identification results are matched with templates in a knowledge base, the knowledge base comprises an entity word table and the templates, and template storage is in accordance with writing rule statement of a regular expression; if the multiple candidate identification results are not matched with the templates in the knowledge base, distances from the multiple candidate identification results to the templates in the knowledge base are calculated; matching scores of the multiple candidate identification results are acquired according to the distances and trust degrees of the multiple candidate identification results, the multiple candidate identification results are respectively matched with the templates in the knowledge base according to the matching scores to acquire matching degrees of the multiple candidate identification results and the templates in the knowledge base; according to the matching degrees, the identification results after matching are outputted. The method solves a problem of influence of a speech recognition error on a question-answering system is solved.
Owner:北京中科汇联科技股份有限公司

Multi-basin real-time intelligent water quality predication method and system

The invention discloses a multi-basin real-time intelligent water quality predication method and system. According to the multi-basin real-time intelligent water quality predication method and system, an NARX model is optimized through a genetic algorithm and a problem that earlier stage parameters of the NARX model are uncertain; a GA-NARX model is stored or called through a model storage module to predicate the multi-basin water quality condition in real time; essential data, recent data and history emergency data are performed on three-section training and accordingly an optimized GA-NARX model can basically comprise river pollution characteristics and the predication accuracy is improved; weather data replaces hydrological data and is performed on obfuscation processing and accordingly influences to the model from flow data missing are effectively solved; matching of similar pollution time sequence templates is performed through an improved DTW algorithm, a similar pollution process in the basin history is rapidly found out, experience is referred and learned, and sudden emergency accidents are accurately predicted. The multi-basin real-time intelligent water quality predication method and system can be widely applied to the water quality predication field.
Owner:广东省环境监测中心

Inclined hole electrosparking processing device and method for adjusting position and angle of electrode

The invention relates to an inclined hole electrosparking processing device, comprising a joint body, an electrode deflection shaft, a positioning clamping screw, a tightening screw cap, a positioning shaft and a hollow small hole electrode. A connecting rod of the electrode deflection shaft is located in a rectangular slotted hole of the joint body; an equal-diameter end of a positioning shaft is located in a shaft hole of the electrode deflection shaft and is tightened up; a rubber sealing piece is located in the shaft hole of the electrode deflection shaft and the hollow small hole electrode penetrates through a drill chuck and is placed into the positioning shaft. In the invention, according to the inclined angle between the inclined hole and the X axis or Y axis and degree scale on the joint body, the inclined angle beta between the electrode and the X axis or the Y axis is initially adjusted, and the electrode is moved along the negative direction of Z axis or the positive direction of the X axis to obtain the actual inclined angle beta between the electrode and the X axis or the Z axis. In addition, the corresponding position of the inclined hole electrode and the inclined hole center C is identified to obtain coordinates of the Z axis and X axis of a machine tool, so that the problems of the existing small hole electrosparking processing device such as high cost, long cycle, difficult positioning of the electrode and low positional precision of processing holes and the like are solved and 0-90-degree inclined hole electrosparking processing is realized.
Owner:NANTONG ZHONGLING INSULATION MATERIALS +1

Sector and rack type reciprocating pump

The invention relates to a sector and rack type reciprocating pump which mainly comprises a framework, an input shaft, a sector, a rack assembly, guide rails, a piston, a hydraulic cylinder and the like. The input shaft is mounted on the framework via bearings, the sector is mounted on the input shaft and meshes with the rack assembly, and the rack assembly is arranged between the upper and lower guide rails. Gear teeth of the rack are controlled in circumferential angles of 160-165 degrees, and a first tooth of the sector and tooth root circles are in smooth circular arc transition; the rack assembly comprises an upper rack, a lower rack and rack connecting pieces, smooth gaps with certain distances are reserved at the tail ends of two sides of the upper rack and the tail ends of two sides of the lower rack, and a piston rod is fixedly connected with an end of the rack assembly; the hydraulic cylinder at a hydraulic end of the sector and rack type reciprocating pump is a double-acting single-side arrangement or single-acting double-cylinder symmetric arrangement structural form. The sector alternately meshes with the upper rack and the lower rack when mechanisms work, and accordingly the piston can be pushed to carry out reciprocating movement. The sector and rack type reciprocating pump has the advantages of simple and compact structure, small occupied spaces, high system efficiency and low pump pressure and pump displacement fluctuation.
Owner:SOUTHWEST PETROLEUM UNIV

Plug-in type single-motor hybrid electric vehicle transmission

The invention discloses a plug-in type single-motor hybrid electric vehicle transmission which comprises a flywheel shock absorber, an engine connecting clutch, a planet gear set, a gear ring, a planet carrier, a sun gear and a planet row control clutch, wherein the gear ring, the planet carrier, the sun gear and the planet row control clutch are arranged in the planet gear set. The transmission further comprises a motor integrating a starting function, a drive function and a power generating function, a motor shaft connecting the motor with the sun gear, a brake controlling the gear ring to be fixed or rotate, a mechanical speed change system taking charge of transmission gear changes, an input shaft connecting the planet carrier with the mechanical speed change system, an output shaft connecting the mechanical speed change system with a main speed reducer, a battery system and a power distribution and electronic control system. The transmission has the beneficial effects that the structure of a single-motor system, a power synthetic system and the mechanical speed change system is adopted, the power performance is excellent, an engine and the motor work in the most economical rotation speed section, stepless speed regulation is matched with mechanical stepping gear shifting in the acceleration process, acceleration power is not interrupted, and the gear shifting efficiency and the gear shifting smoothness are extremely high.
Owner:吉林省晟林汽车传动科技有限公司

Treatment process for degradation-resistant organic wastewater containing aniline high-salt content

The invention discloses a treatment process for degradation-resistant organic wastewater containing aniline high-salt content, and relates to the technical field of the chemical wastewater treatment.The technical problem of removing the aniline and other degradation-resistant substances exist in the wastewater under the high-salt condition in the prior art is solved. The treatment process comprises the following steps: performing Feton II strong oxidation reaction treatment on the degradation-resistant organic wastewater containing aniline high-salt content, and then performing salt-evaporation treatment through a MVR evaporator; treating the wastewater after salt-evaporation in strict accordance with the order of entering a hydrolysis acidification pool to perform anaerobic reaction andentering an aerobiotic pool to perform the aerobiotic reaction, precipitation and MBR filtering, wherein the second-order reactions of different anaerobe populations are arranged in the hydrolysis acidification pool, the aerobiotic reaction in the aerobiotic pool comprises the forepart aerobiotic reaction and the posterior aerobiotic reaction with different dissolved oxygen. By implementing the technical scheme disclosed by the invention, the aniline and other degradation-resistant substance in the wastewater under the high-salt condition can be effectively removed, the influence on the salt-evaporation equipment by organic substance in the wastewater is reduced, and the treatment effect is obvious.
Owner:HENAN LINQUAN ENVIRONMENTAL PROTECTION TECH CO LTD +1

Slightly-dragged accumulating conveying mechanism

The invention discloses a slightly-dragged accumulating conveying mechanism, which solves the problems of unstable driving force and short service life in the conventional slightly-dragged accumulating conveying trolley. According to the slightly-dragged accumulating conveying mechanism, an inverted portal channel steel rail fixed frame (7) and an accumulating trolley (8) are arranged in a pit (6) formed between two trolley rails (1); a trolley body (13) of the accumulating trolley is connected with a traction chain (10) by a chain traction rod (9); an oscillating bar (17) is arranged on the trolley body (13) of the accumulating trolley; an accumulating lifting claw plate (14) of which the upper end is provided with an intermediate gap is arranged at one end of the oscillating bar (17); the lower end of a trolley traction rod (5) is arranged in the intermediate gap formed at the upper end of the accumulating lifting claw plate (14); and a driving air cylinder (25), a stopping oscillating bar hanged shaft (21) and an L-shaped oscillating bar (22) with a pressing sloping block (26) are arranged on one lateral surface of the inverted portal channel steel rail fixed frame (7). The slightly-dragged accumulating conveying mechanism is particularly suitable to be used in an automatic production line for automobiles.
Owner:SHANXI ORIENTAL MATERIAL HANDLING
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products