885results about How to "Guaranteed cost" patented technology

The invention provides an industrial robot automatic pin hole assembling method based on visual guidance. A CCD industrial camera is used for serving as a visual system, and through adoption of a positioning pin outline recognition algorithm and a positioning algorithm, recognition, positioning, grabbing, hole inserting and other work tasks of a positioning pin are completed. The posture of the positioning pin in the space can be precisely estimated, and the precision is high. Image matching and recognition are both based on the outline, implementation is easy, and real-time performance is good. Full automation from part grabbing to pin inserting work is achieved based on a monocular hand and eye mechanical arm, meanwhile, hardware cost is kept, and the work efficiency and quality of a robot are improved.

The invention provides a heat-conducting nylon composite material, a preparation method and application thereof. The formula comprises the components in parts by weight of 20.0-80.0 parts of PA66 and / or PA6, and 15.0-75.0 parts of thermal conductive filler, wherein the heat-conducting coefficient of the thermal conductive filler is 5W / m.k-900W / m.k. The preparation method comprises the steps of a) stirring and mixing the thermal conductive filler and carrying out surface modification; b) mixing and extruding the mixed material on an extruder, wherein the temperature is 220-265 DEG C; and c) obtaining the heat-conducting nylon composite material from the material by extruding, pelletizing and drying. The material is applied to the fields of a radiating material of a light-emitting diode (LED) lamp housing, or a low-voltage apparatus and an electronic radiating element.

The invention discloses a classification security-based broadcast authentication design method, which relates to solution for realizing the broadcast authentication of a wireless sensor network, and is mainly used for solving the security authentication problem of a broadcast data packet of the wireless sensor network. A security scheme which can meet the security requirement and has minimum overhead is used for different application and messages so as to reduce the overhead of a protocol to the maximum. For the broadcast data packet in the wireless sensor network, different authentication methods are adopted according to different message types. On the basis of deeply analyzing the shortages of the conventional broadcast authentication technology of the wireless sensor network, the broadcast authentication technology which integrates different security levels is provided aiming at a situation that different application has different requirements on security service intensity; and based on a mixed strategy, the security scheme which can meet the security requirement and has the minimum overhead for different application and the messages is adopted so as to reduce the overhead of the protocol to the maximum.

The invention provides a long-distance encryption method and device, a management method and device, as well as an encryption management method and device. The encryption method comprises the following steps: a POS (point of sales) terminal sends a request massage to a TMS (terminal management system), receives a response authentication request massage sent by the TMS, calculates according to the terminal authenticating data plaintext, downloading work key ciphertext and downloading maintaining secret key to obtain the second terminal authentication ciphertext, and judges whether the second terminal authentication ciphertext is the same as the first terminal authentication ciphertext, and if the authentication ciphertexts are the same, the TMS authentication ciphertext is encrypted to obtain the TMS authentication ciphertext; and the POS terminal sends the responding authentication massage to the TMS, and receives the secret key plaintext comprising secret key ciphertext sent by the TMS. In the invention, the problem that the long-distance terminal maintenance management TMS can not remotely manage and maintain all the POS terminals is solved, thereby reducing the cost for maintaining the POS terminal and improving the satisfaction degree of users.

The invention discloses a correction method of color distortion of projected display images. The correction of color distortion of images is divided into three simple steps, such as geometrical mapping, radiometric calibration and input images computation of correction of color distortion to ensure that the process of correction has low operation complexity and is suitable for low-end microprocessors, thereby reducing the operation cost. The invention provides two correction purposes for choice expands the application range of the method and increases the projected display function. Meanwhile, by the treatment of a cross-border step, the corrected images effectively compensate the color distortion on screen and simultaneously ensure the robustness of the method. Moreover, adaptive adjustment can be realized in the process of cross-border treatment according to image contents and overall surface characteristics so as to ensure the quality of the corrected output images, thereby achieving the purposes of comprehensively considering cost, functions and performance in product development, and being favorable for promoting the expansion of the projected display from high-end applications to low-end consumption electronic applications.

The invention discloses a manufacturing method of alcohol ether fuel which is produced by synthesis gas while the synthesis gas is produced by hydrogen and scorched particles collaboratively, and the hydrogen and scorched particles are made by coke-oven gas. The method comprises the processes of gas making, rough decoking, fine decoking, pretreatment of coke-oven gas, adsorption and extraction of hydrogen through transformation, methyl alcohol synthesis and methyl alcohol rectification, the alcohol ether fuel is made after the processes. The invention makes use of abandoned scorched particles to prepare water gas and takes advantage of PSA technique to extract hydrogen in coke-oven gas, and alcohol ether fuel is synthesized after adding water gas. Furthermore, the rest materials with higher thermal value are returned to a coke oven to be used as fuel, thus, coke-oven gas firstly is avoided to be blown down and environment pollution and resource waste are reduced; secondly, a single transforming process for preparing methyl alcohol by coke-oven gas, equipment investment and operation risk are avoided; thirdly, the processes of carbon monoxide conversion and decarburization are reduced so as to ensure the integrative use of carbon resources in the system, pyrogenic gas is used rationally and effectively and cost and operation difficulty of methyl alcohol is reduced so as to guarantee the continuous and steady run of system and realizing a plurality of advantages of environmental improvement, rational use of resources, reduction of cost, reduction of working procedure.

The invention provides an alternating tidal current computing method and device for a light high-voltage direct current transmission system; the alternating tidal current computing method comprises the following steps of: dividing the whole system into two parts of an alternating current subsystem and a direct current subsystem by using a busbar of an alternating current system as a dividing line, wherein the alternating current system is connected with a converter station; treating the converter station of the alternating current subsystem as an equivalent PQ or PV node on an alternating current node when the variable quantity of the operational state of the alternating current subsystem is solved; and modeling an alternating system as a constant voltage applied on the bus of the converter when an equation set of a direct current system is solved. The alternating tidal current computing device for the light high-voltage direct current transmission system comprises a data acquisition unit, a data transmitting unit and a data processing unit. The invention has the advantages of being simple and easy in implementation, being good in procedure generality, overcoming the disadvantages of bad timeliness, high error rate and the like and increasing the computation speed and correctness. The device adopts a double-port RAM (Random Access Memory) circuit so as to solve the problem of low data transmission speed; and a set of spare double-port RAM (Random Access Memory) is added for ensuring the correctness and reliability of the system operation.

The invention discloses a node access authentication method, an access authenticated node, an access node and a communication system. The method comprises the following steps: the access authenticated node receives the access request information sent by the access node, wherein the access request information comprises an authentication extension header and an authentication code which are packaged in a next-generation IPv6 (internet protocol version 6) data packet; the authentication extension header comprises the algorithm field; and the authentication code is computed by a first computing method according to the algorithm corresponding to the algorithm field, a shared key configured in the access node and the information except the authentication code in the IPv6 data packet; and the access authenticated node packages the received IPv6 data packet in the access request information and sends the access request information to an AAA (authentication, authorization and accounting) server so that the AAA server authenticates the access node. The technical scheme adopted by the invention can be applied in the 6LowPAN (personal area network), realize access authentication of the node on the IP layer and effectively improve the safety of network communication.

The invention belongs to the technical field of video monitoring, and in particular relates to a protocol conversion system and method for a camera. According to the protocol conversion system and method for the camera disclosed by the invention, a front-end gateway system is arranged between an application system and a camera system; a converter unit, a storage unit and a transcoder unit are arranged in the front-end gateway system; the converter unit is used for converting a protocol of the application system or a protocol of the camera system; the storage unit is used for storing camera information from the camera system and converted through the converter unit; and the transcoder unit is used for converting a video flow from the camera system into a video flow in any format, and sending the video flow in any format to the application system. No matter how the protocol of the camera is changed, the application system can be compatible with various standard protocol cameras; therefore, communication between the camera and the application system is ensured; furthermore, when the protocol conversion system disclosed by the invention is used, the camera system is unnecessary to replace; and thus, the cost is greatly reduced.

The present invention discloses a section steel column for a high-rise building section steel concrete combination structure, and a construction method thereof. The section steel column comprises a plurality of column sections, wherein the column sections are sequentially connected from bottom to top, an interface position of two optionally adjacent column sections is provided with an inner sleeve interface, and an outer side wall of a connection position of the two adjacent column sections is provided with a buckle fixation type assembly. The construction method comprises that: the insert-connection type initial positioning of the two adjacent column sections is achieved through the inner sleeve interface; the cross extending line and the buckle fixation type assembly are combined to carry out positioning correction on the column; a scale measurement method is adopted to carry out column scale height adjustment; and the cross extending line and the buckle fixation type assembly are combined to carry out verticality correction on the full length of the column sections. With the section steel column of the present invention, the model of one construction interface in each floor of the traditional section steel column can be increased to the model of one construction interface in every two floors or three floors, such that more than half of the construction interfaces of the section steel column can be saved, the probability of deviation error due to construction interface operation can be greatly reduced, and the guarantee degree of installation quality can be improved.

The invention relates to a preparation method of anti-atomic oxygen polyimide hybrid films containing octamer cage-shaped silsesquioxane structures. In order to obtain a POSS polyimide hybrid film with excellent anti-atomic oxygen (AO) performance with low cost and keep the thermal performance and the mechanical performance of the polyimide, the preparation method adopts tetrahydrofuran as a solvent and alkali as a catalyst to synthesize tetrahydrofuran-diamine POSS containing two active amino groups by adopting a hydrolysis co-condensation method which is simple to operate, low in cost and gentle in reaction condition; and introducing the diamine POSS into a polyimide molecular main chain by adopting a co-condensation method to finally obtain the POSS polyimide hybrid films with excellent anti-AO performances. The preparation method disclosed by the invention is gentle in conditions of a reaction process, low in cost, simple in process, capable of greatly lowering the production cost and beneficial to realizing industrial production.

The invention discloses an articulated tractor-trailer tank car with scalable outrigger which can be used in steel mill. Its back outrigger is adjustable on level, hydraulic system has high safety and it has flexible turning. It contains tractor, semi-trailer, saddle and tank structure. The semi-trailer links the back of the tractor by the saddle. The tank structure locates on the semi-trailer. The semi-trailer has front and back outriggers on both sides of its front and levelly scalable back ends separately. The back outrigger contains edge beam, box beam, level cylinder and outrigger. The edge beam fixes on both sides of the back of the semi-trailer. One end of the box beam covers in the edge beam and its other end links the outrigger. Two ends of cylinder link box beam and edge beam separately.

The invention discloses a sensor-network-based low-energy-consumption ecological environment monitoring node deploying method and relates to the Internet of Things. The method comprises the following steps: firstly determining factors to be monitored and key points with relative factors; building an optimal mathematic monitoring model according to the monitored factors and the key points; then solving the mathematic model and finding a key point with most attributes and taking the key point as a pre-selection point; invoking an attribute optimizing method for selecting the key points with all the attributes which are close to an attribute mean value if the number of the pre-selection points is greater than 1; invoking a crop growth factor weighing method for determining monitoring points if more than two pre-selection points exist after the treatment; randomly determining that the pre-selection points processed by the crop growth factor weighing method are taken as the monitoring points by using a random algorithm; finally processing a matrix T formed by the key points and the attributes by using a matrix optimizing method of the key points and the attributes to obtain the number of the final monitoring nodes and the distribution positions of the monitoring nodes.

An image processing method based on a neural network, an image processing apparatus, and a computer-readable storage medium are provided. The image processing method comprises the following steps of:obtaining an input image; classifying the input image by using neural network to obtain multiple category labels, wherein the neural network comprises a first sub-neural network and a second sub-neural network, The second sub-neural network comprises a plurality of branch networks, at least two branch networks of the plurality of branch networks are arranged in parallel, and the step of classifying the input image by using neural network to obtain multiple category labels comprises the following steps: extracting basic feature information of the input images by the first sub-neural network toobtain a plurality of first feature images; Dividing a plurality of first feature maps to obtain a plurality of first feature map groups corresponding to the plurality of branch networks one by one;respectively processing a plurality of first feature map groups by a plurality of branch networks to obtain a plurality of class tags.

The invention relates to a preparation method of a honeycomb ceramic net through Lu and N co-doped TiO2 photocatalysis. The honeycomb ceramic net is regarded as a first carrier, and activity AL2O3 coating with specific surface area of 300 to 400m2 / g and doping with lanthanum, cerium and iron element is loaded on the first carrier and regarded as a second carrier; the mass ratio of AL2O3 to La to Ce to Fe is (100 to 110) to (90 to 115) to (50 to 70) to (5 to 15); the TiO2 photocatalyst films of rare earth element Lu and non-metallic element N are loaded on the second carrier; the mass ratio of Lu to N to TiO2 in the TiO2 photocatalyst film is (0.01 to 0.16) to (0.40 to 1.88) to (97.94 to 99.54). The removal rate of the honeycomb ceramic net prepared through photocatalysis to formaldehyde and toluene in the air is 98.7% and 92.2% respectively, and the removal rate to formaldehyde and toluene in the air is improved by 2.0 times and 1.9 time respectively compared with the application of the TiO2 photocatalyst film only.

The invention discloses a camera configuration method configure an action capture camera reasonably. The method comprises the steps of determining a configuration way of a preset number of cameras according to a camera parameter set by a user in a preset visual area; arranging a preset number of points to be tested in the preset visual area; calculating the number of visual cameras in each point to be tested in each camera configuration way; calculating the configuration value of each camera configuration way according to the number of the visual cameras in each point to be tested and the total number of the cameras used in each camera configuration way; and determining a final camera configuration way according to the configuration value of each camera configuration way. The invention provides an effective method for configuring a proper number of the action capture cameras in a reasonable way, guaranteeing action capture effect while saving cost effectively.

The invention discloses a novel cutting machine device. The novel cutting machine device comprises a frame, wherein a cylinder and a sliding rail are arranged on the frame; a steel tube supporting mechanism connected with the cylinder slides on the sliding rail; a locking component for locking a steel tube is arranged on the steel tube supporting mechanism; a hydraulic motor is arranged on the frame; the hydraulic motor drives a cutter set to rotate through a gearbox; a cutting mechanism is arranged on the outer surface of a circular rotary table on the periphery of a through hole; the cutting mechanism consists of a cutter feeding mechanism and a blade; the blade is arranged at the front end of a cutter holder. Compared with the prior art, the novel cutting machine device has the advantages as follows: the novel cutting machine device improves the cutting efficiency, saves space, is stable in force exerting and easy to control, and ensures the cutting quality; the blade is long in service life, so that the cost is reduced; a steel tube can be adjusted to the required size by the sliding rail for cutting, so that the cutting length is ensured; a height adjusting device can adjust the height and adjust the levelness of a supporting rack and the parallelism of the steel tube.

The present invention provides an intelligent manufacturing management information system, which comprises a cloud platform information system, a network data unit, a processing controller, a terminal and a plurality of nodes. The cloud platform information system includes a customer resource management subsystem, a production management subsystem, a quality management subsystem, a database management subsystem, an alarm management subsystem and an operation monitoring subsystem. The network data unit is connected with the cloud platform information system through the Internet to give feedback on the data of a production site. The processing controller is connected with the network data unit and has a data processing and transferring capability to obtain production status data generated by and returned from the nodes of the production site; the nodes include sensing devices arranged at each working position, production equipment, and sampling buttons. All these nodes have their unique ID code. The system of the invention aims at providing information acquisition, analysis, processing, inquiry, real-time display, real-time function configuration and serving as an alarm platform for the manufacturing department of an enterprise.

The invention belongs to the field of cutting equipment for building blocks and particularly relates to a cutting production line for the building blocks. The production line comprises a rack and main conveying device arranged on the rack; a No.1 cutting machine, a No.2 cutting machine and a No.3 cutting machine are sequentially arranged on the rack; a transverse distributing and turning mechanism for turning the building blocks by 90 degrees is arranged between the No.1 cutting machine and the No.2 cutting machine; and a reversing mechanism for reversing the building blocks is arranged between the No.2 cutting machine and the No.3 cutting machine. The production line is applicable to cutting of concrete building blocks and building block foam bricks, can perform six-surface cutting on the building blocks automatically, has the high production efficiency and guarantees the appearance quality and the size accuracy of finished products.

The invention provides a librados-based distributed NFS system and a construction method of the distributed NFS system. The system comprises a client side, an NFS server, an RADOS object storage cluster and a migration statistical information database, and the NFS server integrates an NFS service function, a file system interface function and a metadata management function, is connected with the RADOS object storage cluster and the migration statistical information database, and provides services for a client. The system can reduce the NFS read-write IO path, reduce the read-write delay, improve the read-write performance, provide better support for the scene of creating a large number of small files in a high concurrency manner, and keep metadata on each NFS service node consistent. The system supports a multi-instance distributed NFS service, an access request is loaded and balanced to each service node, and the access performance is improved. The system also supports a cold and hotpool mechanism, performs regular migration on cold and hot data according to the access condition, always stores the data with the highest access frequency in the hot pool, and effectively improves the hot data access speed.

The invention discloses a distributed computing method and device. The method comprises the steps of generating an input vector Vector according to input data; acquiring a preset operator and the dependency of the preset operator on the Vector; carrying out multiple map computations by means of a mapping module Map till the end condition of the preset operator is met, wherein during each map computation, data are acquired from the Vector according to the dependency so that computation can be carried out according to the preset operator and corresponding data in the Vector can be updated according to computing results. The distributed computing method and device are widely used in distributed computation of various machine learning and can guarantee executing efficiency with lower cost.

The invention relates to a chicken feed pertaining to a poultry feedstuff, which solves the problems in the existing chicken feed of single source of high qualified animal protein, high price and unstable quality. The chicken feed is composed of the following weight proportion: 60-65 percent corn, 20-25 percent soybean meal, 3-7 percent dried earthworms, 8.5-9 percent worm cast, 0.8-1.2 percent calcium hydrogen phosphate, 0.1-0.5 percent salt and 0.8-3 percent premix feed; wherein, the dried earthworms is dried with Eisenia fetida. The invention uses the earthworm as the protein source of the chicken feed, which broadens the high qualified animal protein resources in the chicken feed. Earthworm is a low-priced animal with high protein content and abundant nutrition, while the dried Eisenia fetida selected by the invention has more than 59 percent protein content, 18 percent fat content, wherein, the proportion of leucine, arginine and lysine is higher, and the nutritional value is equivalent to that of the imported qualified fishmeal.

The invention discloses a method for producing industrial grade monoammonium phosphate through combination of wet process phosphoric acid and high-purity phosphoric acid. The method comprises the steps of performing neutralization reaction for two times on filtrate and ammonia gas or ammonia water to obtain ammonium phosphate slurry, wherein the filtrate is obtained by performing desulfurization reaction on phosphate rock powder and wet process phosphoric acid; performing concentration, crystallization and drying by using filtrate which is obtained by adjusting the pH value with high-purity phosphoric acid to obtain an industrial grade monoammonium phosphate product; removing most of impurity ions when the pH value is neutralized to 4.0-5.0 by the first neutralization reaction, then performing the second neutralization reaction to remove impurities in the wet process phosphoric acid, finely adjusting the pH value to 3.9-4.4 by using the high-purity phosphoric acid, and performing concentration and crystallization to obtain the industrial grade monoammonium phosphate. The method disclosed by the invention reduces the production cost and energy consumption and is environment-friendly and pollution-free; the obtained product is stable in quality, the process flow is short, the device construction investment is saved, the needed operators are less, the energy consumption is reduced, the pollution is reduced, and the quality of monoammonium phosphate is ensured through effective impurity removal, so that the method has a very good economic benefit.

The invention discloses a flexible transparent electrode and a manufacturing method thereof. A polymer solution is coated on a carrier substrate so as to form a polymer film. Nano-metal ink of a grid pattern is made on the polymer film so that a metal grid electrode is formed through high temperature annealing processing. One side of the polymer film, which possesses the metal grid electrode, is coated with transparent conductive adhesive and drying and sintering are performed. The polymer film, the metal grid electrode and the transparent conductive adhesive are peeled from the carrier substrate so as to acquire a corresponding flexible transparent electrode. Electrode flexibility is guaranteed and simultaneously electrical conductivity, transmittance and anti-bending performance of the transparent conductive film are greatly improved; a device thickness and processing technology difficulty are reduced; a generation technology is simplified and production cost is reduced; and product quality is good.

Belonging to the technical field of sampling equipment, the invention specifically discloses an automatic soil sampler, which includes a running frame and a traction connection piece at the front end of the running frame. The running frame is provided with a soil sampler and a soil sampling funnel matching with the soil sampler. The soil sampling funnel is provided with a crank link mechanism, a conveying chain wheel equipped conveying chain is disposed below the soil sampling funnel, and the conveying chain is provided with soil collecting barrels. A soil sampling shovel is arranged below the soil sampler, and is equipped with a soil push rod. The automatic soil sampler provided by the invention has the advantages of reasonable structure, accurate sampling and high degree of automation.

A method of coating well defined discrete areas of a flexible substrate by creating a lyophobic pattern on the surface of the web to leave a desired pattern of lyophilic areas. A layer of coating solution is laid down over the patterned web, the solution withdrawing from the lyophobic areas and collecting on the lyophilic areas.

The invention discloses a real time data calculation method and system, and belongs to the technical field of data processing. The method comprises the steps that 1, a data stream is acquired and divided into multiple subdata streams, and the subdata streams are sent to corresponding control subunits to be stored; 2, according to the subdata streams stored in the control subunits, one or multiple of preset calculation expressions is or are selected to be sent to the corresponding control subunits for the control subunits to perform calculation processing on the subdata streams; 3, calculation sub-results of all the control subunits through the calculation are combined to obtain and output a final calculation result. The system comprises a data control unit, the control subunits and a calculation control unit. According to the technical scheme, the real time data calculation method and system have the advantages that compared with the prior art, the calculation tasks are effectively reduced, the network transmission overhead and the calculation time are guaranteed, and the processing efficiency of real time data is improved.

A wafer-grade vacuum encapsulation process for a micro-electro-mechanical system belongs to an encapsulation method for a micro-electro-mechanical system and solves the problems of the film deposition-based vacuum encapsulation process that the deposited film is thin, has small chamber and is easy to be damaged and the encapsulation device has leaked vacuum and reduced service life. The process sequentially comprises a step of depositing an air absorbent, a step of depositing a thin sacrificial layer, a step of depositing a cushion chamber sacrificial layer, a step of depositing thick sacrificial layer, a step of preparing an encapsulation cover, a step of etching a releasing hole, a step of removing sacrificial layer and a step of sealing. The process solves the problems that the existing encapsulation method has short vacuum retaining time, low sealing quality, large encapsulation dimension, incompatibility between the process and the standard IC process and high cost, thus ensuring the air pressure in the inner-most chamber; and simultaneously, the cost of the process is less than that of the vacuum encapsulation based on wafer-bonding process, and the process can realize production in general IC production factories and greatly promote the development and generalization of wafer-grade MEMES vacuum encapsulation technology.

The invention relates to the field of plane area measurement technology, in particular to the non-destructive measurement system and method of the plane blade area for a single image. The system comprises: image acquisition unit, image correction unit, blade image division unit, blade area calculation unit. The method includes: the flat blade image which is attached to the demarcating board can be gained from the image acquisition unit; the projective corresponding relationship between the image element and the object can be calculated based on the isonym point of the image and the demarcating board by the image correction unit, the orthographic correction of the image is also done; the image of the blade can be separated from the background by the blade image division unit; the area of the blade image which is after the orthographic correction can be computed based on the projective corresponding relationship by the blade area calculation unit.