41results about How to "Take advantage of features" patented technology

The invention discloses a method and a system for planning an optimal route and an optimal driving mode of an electric automobile. The method comprises the following steps: based on reachability analysis, performing sieving so as to obtain a practicable route set of the electric automobile under different driving modes and a corresponding charging mode set; after a user weight coefficient is obtained, calculating evaluation indexes of each practicable route under different driving modes, wherein the user weight coefficient is the coefficient preset by a user or is the coefficient which is automatically obtained according to the driving habits of the user; and based on the calculated evaluation indexes, planning the optimal route and the optimal driving mode. Through the adoption of the method disclosed by the invention, according to the demand indexes of the user, the evaluation indexes of corresponding weighting are calculated, so that the optimal practicable route, and the optimal driving mode, namely the combination of a driving mode and an air conditioner mode are obtained through sieving; and automobile characteristics of the electric automobile can be sufficiently utilized, so that the optimal route planning result and the optimal driving mode planning result are obtained, the optimizing result is good, and the method can be widely applied in the control field of the electric automobile.

The invention relates to a variable rigidity flexible driver for an exoskeleton type lower limb rehabilitation robot. The variable rigidity flexible driver comprises a support, a driving motor, an execution unit, a lead screw arranged between a lead screw bearing pedestal installing bottom plate and a lead screw bearing pedestal installing top plate, a lead screw nut movably connected to the lead,two springs connected to the top end and the bottom end of the lead screw nut, an end executive component fixedly connected with one spring, and a torsional spring transmission unit arranged betweenthe lead screw bearing pedestal installing top plate and a motor installing plate, and the two ends of the torsional spring transmission unit are fixedly connected with the driving motor and the top end of the lead screw. Compared with the prior art, due to the fact that elastic coefficients of two flexible components of the springs and the torsional spring are different, the rigidity of the driver is changed, and the purpose of simulating the sports effect of body muscle is achieved.

The invention discloses a weak target detection method by use of time-space domain filtering adaptive to a pipe diameter. The weak target detection method comprises steps of: carrying out background detection on a to-be-processed image by use of anisotropic differential algorithm so as to improving subsequent target detection ability; segmenting a difference graph by use of a local maximum value so as to acquire a binary image; initializing a time domain parameter (an accumulation frame length) and a space domain parameter (the size of the pipe diameter), and successively inputting a series of binary images with the accumulation frame length of N; and finally, by use of the time-space domain filtering adaptive to the pipe diameter, detecting multiple frames of images so as to acquire a real target point, and superposing the detection results so as to output a target movement track. Compared with a traditional pipeline filtering target detection method with a fixed pipe diameter, the weak target detection method is advantageous in that based on the correlation between a target and the time-space domain multi-frame movement, the size of the pipe diameter is adaptively modified according to the change of a target scale, so a detection problem caused by the fact that the target becomes small/big due to unchanged pipe diameter is effectively solved and target detection precision is greatly improved.

The invention relates to a named data network caching method, a buffer and a storage medium. The named data network caching method comprises the following steps: judging the state of a node; accordingto the state of the node and a to-be-determined interest table, obtaining the preference degree of the node for a classification interest packet; obtaining the local popularity of the classificationdata packet according to the to-be-determined interest table; calculating and obtaining a caching probability according to the preference degree and the local popularity; comparing the caching probability with a caching probability threshold value, and determining whether to cache or not. The invention also discloses a named data network buffer and a storage medium. According to the invention, thespatio-temporal characteristic of the data packet is utilized by judging the state of the node; andwhen whether to cache the data packet is determined, the user preference and the local popularity ofthe data packet are comprehensively considered, more effective data contents in the network is cached, a better cache space utilization rate is obtained, the data redundancy is reduced, the data hitrate is improved, and the average hop count and the time delay are reduced.

The invention provides a method for treating high-concentration isobutylene wastewater through PO by-product TBA pyrolysis. The method comprises the steps that a hydrogenolysis method is adopted to decompose ethers and esters decomposition into alcohol compounds, alcohol is produced by utilizing aldehyde ketone, saturated alkane is generated through olefin hydrogenation, the COD in the wastewater drops to be below 500 PPm by utilizing the characteristics that micromolecular alcohol and water are azeotropic, macromolecular alcohol and alkane are insoluble in water through means such as flash, poly condensation and separation and is up to the direct emissions standards after being subjected to biochemical treatment. The method is economic and high in treatment efficiency.

The invention relates to an asymmetric membrane, and in particular relates to a method for preparing a hollow fiber composite membrane. The method comprises the following steps: using an annular channel of a three-channel spinning nozzle at an outer layer to transmit a casting solution of mixed organic and inorganic materials at an outer layer; using an annular channel of the three-channel spinning nozzle at an intermediate layer to transmit of a casting solution of high polymers at a support layer; using a pipe in the middle of the three-channel spinning nozzle to transmit a core solution; immersing a hollow fiber membrane in a nascent state in a non-solvent coagulation bath; carrying out non-solvent phase change and curing on the casting solutions to form a membrane finally; and removing normal hexane and methyl alcohol hollow fiber membranes and carrying out crosslinking by using a chemical cross-linking agent, drying in air and carrying out high-temperature annealing and coating silicon rubbers to seal gaps. Compared with an existing method for preparing mixed organic and inorganic ultrathin membranes, the method in the invention has the advantages that: the method is simpler,thus being low in preparing cost; the materials are selected more flexibly, thus taking full advantage of characteristics of the different materials; and compared with the same type of membranes, theseparating property and the mechanical property are more superior.

The invention provides an epilepsy signal classification method based on EWT and improved CSP. The method comprises the following steps: preprocessing the signal, preferentially selecting a signal channel by utilizing correlation analysis, and extracting the characteristics of three characteristic domains, namely a time domain, a frequency domain and a space domain, of the epileptic electroencephalogram signal in an attack interval and an attack early stage; and finally, inputting the combined feature matrix of the three feature domains into a classifier based on a support vector machine to realize effective identification of the epileptic electroencephalogram signal attack interval and the epileptic electroencephalogram signal attack earlier stage. The time domain features comprise a meansquare value root, an absolute average value and a zero crossing point number. According to the frequency domain feature extraction method, empirical wavelet transform is used for carrying out multi-mode decomposition, a Welch power spectrum is used for carrying out single-mode selection, and then a Hilbert transform method is used for extracting the instantaneous amplitude and instantaneous frequency of a signal for the single mode of each channel; and an improved CSP algorithm is used for extracting airspace features. According to the method, the limitation of an EMD method is overcome through empirical wavelet transform, and in addition, the improved CSP algorithm has high recognition rate and calculation efficiency.

The invention relates to a cavity filter used for a microwave communicating system. Aiming at solving the technical problems of disunited structure size and complex structure of the existing cavity filter manufactured by a Chebyshev mathematics response model, the invention provides a mathematics response model of a cavity filter structure and a cavity filter used for a movable communicating network; the mathematics response model thereof adopts an isoparametric element lowpass prototype as the designed mathematics response model of the cavity filter structure and leads the cavity filter structure obtained according to the mathematics response model to respectively have united and consistent structure sizes on the resonance cavity, resonance rod, coupling adjusting rod and resonance cavity clapboard thereof, thus leading the product manufacturing and processing technique of the cavity filter to be greatly simplified; simultaneously the assembled cavity filter is easier to be debugged and is suitable for batch production. Another advantage of the technical scheme is as follows: under the condition of meeting stopband attenuation, the central loss of a benchmark passband is reduced to the minimum; moreover, the unloaded Q value of the cavity can be guaranteed to be maximal and the insertion loss of the cavity filter is minimal.

The present invention relates to a coupling arrangement assembly for detachably coupling a tractor and a trailer, wherein the coupling arrangement assembly comprises: a coupling mechanism (112 , 114) connected to any one of the two vehicles consisting of the tractor and the trailer, and a universal joint mechanism (120) connected to each of other vehicles, wherein the coupling mechanism (112, 114) and the universal joint mechanism (120) serve as connecting means for establishing coupling connection for transmitting at least a pulling force are capable of being preferably shaped to be interlocked with each other and to be decoupled from each other for separation of the coupling connection, wherein the coupling means (112, 114) are within a predetermined coupling position area when interlocked relative to the vehicle having the universal joint mechanism (120). The assembly is characterized in that the coupling arrangement assembly (110) comprises a sensor (142, 144) configured and arranged to detect whether the position of the coupling mechanism (112, 114) relative to the vehicle with the universal joint mechanism (120) is located in the coupling position area.

The invention discloses a construction method for an ultra-high-performance concrete corrugated steel web composite box girder bridge. The construction method comprises the steps that a U-shaped groove structural part of each span of box girder is prefabricated according to the design requirements at first; a bridge floor middle plate is prefabricated according to the prefabricated U-shaped groove structural part; a bridge abutment and a bridge pier are constructed, the prefabricated U-shaped groove structural part and the bridge floor middle plate are hoisted in position, transverse connecting steel bars are bound, and after transverse wet joints are poured, the complete box girder is formed; the next bridge pier is constructed, a second box girder is hoisted in position, corrugated steel webs of the adjacent box girders are welded, longitudinal connecting steel bars between the adjacent box girders are bound, longitudinal wet joints between the adjacent box girder segments are poured or a cross girder is casted in place, and a continuous bridge structure is formed; after wet joint concrete reaches the designed strength value, top plate prestressed steel strands are tensioned; and the above steps are repeated, so that the multi-span continuous bridge structure is completed. According to the construction method for the ultra-high-performance concrete corrugated steel web composite box girder bridge, the box girders are light in weight and small in torsional distortion, the bridge floor plate load distribution capacity is good, construction and erection are convenient, and the construction method has wide application prospects in large and middle span bridges.

The invention relates to the technical field of agricultural machinery, in particular to a small corn husker. The small corn husker comprises a frame, a driving roller, a driven roller and two huskingrollers are arranged on the frame, two ends of the driving roller and the driven roller are fixed on the frame through bearings, the driving roller and the driven roller are used in pair, the axis ofthe driving roller and the axis of the driven roller are located on the same plane, the husking rollers are respectively arranged on one side of the driving roller and one side of the driven roller,the axes of the husking rollers are located on the same plane, two waist holes are formed respectively on two sides of the frame, two ends of the husking rollers penetrate the waist holes to be rotatably connected with the mounting seats through the bearings, two mounting seats are arranged on each side of the frame, connecting holes are arranged in lower ends of the mounting seats of each side, atension shaft is arranged in each connecting hole, and the cylindrical surface of each tension shaft is annularly sleeved with a spring. By the arrangement, corn can be husked, and the small corn husker is small in space occupation and high in husking efficiency.

The invention relates to an electrostrictive spiral artificial muscle and preparation and application thereof, the electrostrictive spiral artificial muscle is composed of a sheath core structure, a sheath layer is composed of a carbon nanotube film, and a core material is a nylon wire. When the spiral artificial muscle is actually used, the spiral artificial muscle can be designed into differentlengths according to requirements. Voltages of different magnitudes can be output through the control circuit, so that the contraction rate and the output stress of the spiral artificial muscle are controlled. Electric energy is converted into mechanical energy in a flexible mode, and the artificial muscle is easy to control, safe and environmentally friendly.

The invention provides an infrared weak small target detection algorithm based on a multi-channel improved DoG filter. Firstly, the infrared image is normalized. Secondly, multi-channel improved DoG (IDoG) filtering is applied to the infrared image, and 8-channel filtering results are obtained. Then the maximum value of the 8-channel IDoG is processed to get the result of the multi-channel IDoG. The results of the 8-channel IDoG are compared with those of the 8-channel IDoG. After that, Gaussian enhancement is used to get the final processing result map. Finally, the position of the maximum gray value point in the result image is found, that is, the position of the infrared small target. The invention can be used for detecting small and weak targets in infrared images, and can effectivelyimprove the detection accuracy of small targets in infrared images, so as to improve the detection performance and robustness.

The invention discloses a preparation method of gizzard chicken rolls. The preparation method of gizzard chicken rolls comprises the following steps: (1) preparing raw materials of gizzard chicken rolls in parts by weight; (2) mixing the raw materials of the gizzard chicken rolls, rolling and rubbing; (3) filling; (4) pickling at the environment temperature of 0-4 DEG C for 12 hours, freezing rapidly at the environment of minus 30 DEG C to the core temperature less than or equal to minus 18 DEG C, and then carrying out negative catalysis for 1 hour under the condition of environment temperature of 0-4 DEG C; and (5) flaking by adopting a flaking machine at the flaking environment temperature of being less than or equal to 0 DEG C with the flaking thickness of 0.6-2mm, and preparing the gizzard chicken rolls. The preparation method of the gizzard chicken rolls provided by the invention has the beneficial effects that gizzard chicken roll products with the thickness of 0.6-2mm are formed through rolling, rubbing, filling, pickling, freezing rapidly, negative catalysis and flaking by taking the mixture of gizzard and chicken as raw materials, not only are rinsing and cooking of hotpot convenient, but also the crisp mouthfeel of gizzards is kept fully; characteristics of raw materials of gizzards and chicken are fully used; the cost of the gizzard products is lowered.

The invention discloses an unsupervised segmentation method for terracotta army point clouds based on combination of region growth and deep learning. The method comprises the steps of performing unsupervised semantic segmentation on point cloud data, performing normal vector prediction according to three-dimensional coordinate data of point cloud, and then performing pre-segmentation based on normal vectors on the point cloud; carrying out pre-segmentation on a point cloud by using SRG-Net, then carrying out partial segmentation on the point cloud by using SRG-Net, finally, automatically adjusting a segmentation result, and enhancing a result in the SRG-Net according to a pre-segmentation result in SRG so as to obtain a segmentation label of the point cloud. Unsupervised part segmentation of the terracotta warrior point clouds is realized, and a good effect can be obtained for segmentation of general point clouds except for the terracotta warrior point clouds.

The invention relates to a fire-fighting robot intelligent flame combustion state identification method. The method comprises the following steps: carrying out segmentation preprocessing on an original image; calculating radial Tchebichef moment rotation, translation and scaling invariants of the segmented image and an edge image, and constructing a multi-feature composite vector; and inputting the multi-feature composite vector into a pre-established and trained improved firefly algorithm-wavelet support vector machine model, and finally obtaining a classification and recognition result of the flame combustion state. According to the improved firefly algorithm wavelet support vector machine model, an improved step length factor and an improved attraction degree are introduced into a firefly algorithm, iterative search optimization is carried out on wavelet support vector machine kernel parameters, and optimal kernel parameters are obtained. The method is not influenced by the positionand direction of a flame in a visual field scene and the distance between the flame and an image equipment, the algorithm optimization efficiency is high, the recognition performance is high, the combustion state of the classified flame can be effectively recognized, and the fire-fighting robot is assisted in subsequent targeted fire extinguishing operation.

The invention discloses a parallel computing method for route change of a large number of flights in dangerous weather based on a discrete potential energy field. The method comprises steps: an environment scene is firstly rasterized, the range of a dangerous area is extracted, the environment scene is segmented, and an immoderation field of the environment is constructed; a speed field is constructed, a flight density contribution function in the raster is built, and the maximum speeds that can be achieved by the flight flying along upper, lower, left and right directions are calculated; a cost function is built, a function related to the three indexes of a route length, the consumed time and the immoderation is constructed, and the cost when a single flight chooses to go to the target point route is calculated; a discrete potential energy field calculation function is built, a one-sided difference equation is used to discretize the potential energy field, and the negative gradient direction of the potential energy field is used as the flight change optimal route; and parallel potential energy field solving is carried out, a partition operation rule is used to parallelly and iteratively solve the potential energy value of a cell until convergence. The calculation efficiency is effectively improved.

The invention relates to a tableware blister packaging box. A blister packaging box body is rectangular. The material used for the blister packaging box body is a PVC sheet. The top surface of the boxbody is provided with a plurality of accommodating grooves. A plurality of convex bars are arranged in the accommodating grooves. A plurality of clamping grooves are arranged at equal intervals on the sidewall shared by each convex bar and the corresponding accommodating groove. The accommodating grooves are evenly spaced apart. Grid reinforcement bars formed by a plurality of transversely and longitudinally staggered convex ribs are arrange on the bottom of each accommodating groove. A plurality of convex ribs perpendicular to the bottom are arranged on the four inner walls of each accommodating grooves to improve the firmness of the accommodating groove. Two position clamping grooves are respectively arranged in the middle position of the outside of the two walls in the width directionof the box body. The positions of the position clamping grooves are symmetrical. The four sidewalls and the bottom of the inside of each position clamping grooves are polished. The edges of each position clamping groove are curved, which is convenient for lifting. The tableware blister packaging box body has large utilization space, is firm and beautiful, and can prevent from being punctured by tableware when being in use for a long time. Furthermore, the edges of each position clamping groove are curved, which is convenient for lifting.

The invention discloses a multi-path IO adjusting method and device. The method comprises the steps of detecting an IO rate of each link; judging whether each link is abnormal or not; carrying out statistic analysis on transmission data of the link with an abnormal IO rate to obtain an analysis result; and closing the link with the abnormal IO rate according to the analysis result. The device comprises a detection unit for detecting the IO rate of each link, a judgment unit for judging whether each link is abnormal or not, an analysis unit for carrying out statistic analysis on the transmission data of the link with the abnormal IO rate to obtain the analysis result, and a closing unit for closing the link with the abnormal IO rate according to the analysis result. According to the method and the device, the effect of hierarchical control of the IO rate can be achieved, the IO efficiency is improved by fully utilizing the link characteristics, and the condition that the IO rate is too low when a fault link is blocked.

The invention relates to an environment-friendly filtering type plastic extruding machine. The environment-friendly filtering type plastic extruding machine comprises a plastic extruding machine body,a fixing base is installed at the top end of the plastic extruding machine body, a feeding pipe is connected to the top of one side of the fixing base, and a circulating mechanism is installed at thetop of one side of the fixing base. The circulating mechanism comprises a draught fan, a conical pipe, an air outlet pipe, a filtering box, a connecting pipe, a sealing plate, a positioning groove, afiltering net, a sealing cover and a sealing gasket. Through the circulating mechanism, a closed space can be formed in the inner side of the fixing base, air on the inner side of the fixing base canalso flow in a circulating mode, and therefore air can be filtered. The environment-friendly filtering type plastic extruding machine is also convenient for workers to replace the used filtering net,thereby avoiding air pollution caused by mixed toxic gases in the air, avoiding the influence of toxic gases on the health of workers, and avoiding the waste of heat energy resources caused by hot air in the fixing base flowing to the outside.

The invention discloses a foamed plastic extruding machine. The foamed plastic extruding machine comprises a raw material mixing bin, wherein one end of the raw material mixing bin is connected with ascreening bin, a feeding bin is fixedly arranged at the top end of the screening bin, the bottom end of the raw material mixing bin is connected with a discharging bin, discharging holes are evenly formed in the bottom end of the discharging bin, and a material blocking plate is rotationally arranged at the bottom end of the discharging bin. The foamed plastic extruding machine is scientific andreasonable in structure and safe and convenient to use, through the arrangement of a crank, a linkage shaft, a transmission gear, the material blocking plate, tooth grooves, discharging holes and staggered discharging holes, the staggered degree of the discharging holes and the staggered discharging holes can be adjusted, the discharging rate is rapidly and conveniently adjusted, through the arrangement of the screening bin, a filtering net, fixing bolts, an embedded plate and a dismounting handle, overlarge raw materials can be collected and cleaned, the added raw materials can be directly filtered, and the influence caused by subsequent plastic extruding work due to the overlarge raw materials is reduced.

The invention relates to a system and method for producing sponge iron by a gas-based shaft furnace. The system for producing the sponge iron by the gas-based shaft furnace comprises a raw material pre-treatment system and the gas-based shaft furnace which are sequentially arranged, wherein the raw material pre-treatment system comprises a forming device; the gas-based shaft furnace comprises a furnace body, a combustion chamber and a top gas utilizing system; the furnace body sequentially comprises a charging section, a reduction section and a cooling section from top to bottom; and the combustion chamber is arranged outside the reduction section, a top gas outlet is formed in one side of the charging section, the top gas outlet is connected with a gas inlet of a washing tower of the topgas utilizing system, an outlet of the washing tower is connected with a top gas inlet of the combustion chamber, and a gas inlet is formed in the cooling section. The system and method for producingthe sponge iron by the gas-based shaft furnace shorten a technology process that iron is prepared and reduced directly through a shaft furnace method, lower the technology control difficulty, shortenthe reaction time, reduce energy losses, and improve the adaptation of the raw materials.