5407results about How to "Solve the cost" patented technology

The invention discloses a picking method and picking robot device aiming at fruits which are in size of an apple and is similar to a sphere. The picking robot device comprises a mechanical actuating device, control system hardware and control system software. The mechanical actuating device comprises a picking mechanical arm, an underactuated manipulator, an electric sliding table and an intelligent mobile platform, wherein the control system hardware comprises an IPC (industrial personal computer), a motion control card, a data acquisition card, an AHRS (attitude and heading reference system), a coder, a monocular camera, a binocular camera, a force sensor, a slipping sensor and the like. During operation, the IPC fuses information of the coder, the AHRS, monocular camera components and an ultrasonic sensor to enable the mobile platform to independently navigate and avoid obstacles. A binocular vision system collects images of mature fruits and obstacles and extracts the characteristics of the images so as to realize obstacle avoidance of the mechanical arm and fruit positioning. Finally, the IPC fuses the information of the force sensor, the slipping sensor and the position sensor, thereby further reliably gripping the mature fruits and separating the fruits from fruit branches.

The invention discloses an automatic-navigation crawler-type mobile fruit picking robot which comprises a mechanical execution system and a control system and is characterized in that the mechanical execution system comprises an intelligent movable platform, a fruit picking mechanical arm and a two-finger type manipulator, wherein the intelligent movable platform comprises two crawler assemblies, an experimental facility fixing rack, a supporting stand column, a cross beam, a speed reducer and the like; and the control system comprises an industrial personal computer, a motion control card, a data collecting card, an image collecting card, an encoder, a GPS (global position system), a monocular zooming camera assembly, a binocular camera, a laser ranging sensor, a control circuit and the like. The automatic-navigation crawler-type mobile fruit picking robot integrates the fruit picking mechanical arm, the two-finger type manipulator, the intelligent movable platform and the sensor system, integrates multiple key technologies such as fruit identification, motion of the picking mechanical arm, grabbing of a tail-end executer, automatic navigation and obstacle avoidance of the movable platform, and the like, and really realizes automatic and humanized fruit picking.

The invention belongs to crossing field of computer vision and intelligent robots and discloses a variational mechanism-based large-area indoor scene reconstruction method. The method comprises the following steps: step 1, acquiring calibration parameters of a camera, and building an aberration correcting model; step 2, building a camera position and gesture depiction and camera projection model; step 3, utilizing an SFM-based monocular SFM (Space Frequency Modulation) algorithm to realize camera position and gesture estimation; step 4, building a variational mechanism-based depth map estimation model, and performing solving on the model; and step 5, building a key frame selection mechanism to realize three-dimensional scene renewal. According to the invention, an RGB (Red Green Blue) camera is adopted to acquire environmental data, and a variational mechanism-based depth map generation method is proposed through utilizing a high-precision monocular positioning algorithm, so that quick large-area indoor three-dimensional scene reconstruction is realized, and problems of three-dimensional reconstruction algorithm cost and real-time performance are effectively solved.

The invention relates to a multi-platform target tracking and distributed interactive simulation system in the technical field of simulation. The system comprises a target generation module, an aerial sensing platform, an emergency processing platform, a ground control center platform and an HLA distributed interactive simulation module, wherein, the target generation module generates a system tracking object at random; the aerial sensing platform comprises various detecting devices for performing fusion to the detected information and then transmitting the information to the ground control center platform; the ground control center platform integrates all the field information, evaluates the entire field situation and promptly makes an emergency decision; the emergency processing platform receives the information and the commands and realizes target tracking by using airborne equipment; and the HLA distributed interactive simulation module enables the modules to establish an HLA distributed system structure through a distributed network and realizes the multi-information network interconnection. The invention has the advantages of flexibility and extendability, can improve the tracking effect, enhance the visibility of scene demonstration and be widely applied to the fields such as public safety, disaster relief assistance and the like.

The invention discloses a real-time recommendation system and method of financial products of banks based on Naive Bayesian classification wherein the method comprises: acquiring the data of a bank business system, a peripheral system, and an internet/mobile internet; processing and storing the data in a basic database; conducting characteristic processing to the data attributes of the customers in a certain area; converting for data characteristics to develop a characteristic database; classifying the data in the characteristic database as a training data set and a verification data set which are used respectively for the training and estimating of a Naive Bayesian classification algorithm model; obtaining a model base after several times of iteration; identifying the characteristics of customers and in combination with the Naive Bayesian classification algorithm model base, matching the customers with the financial products they are mostly likely to purchase in real time; and recommending to the customers the financial products that are forecasted and matched by the models. The recommendation system and method of the invention are capable of helping customers to find out suitable products, therefore, increasing the user experience and the bonding effect of the customers to the financial products, lifting up the transferring rate of the products and making the bank more competitive.

The invention provides a high active core-shell structure catalyst used for low temperature fuel cell. The preparation method comprises the following steps: adopting carbon powder or carbon nanotubesas carrier, coating single-layer or two-layer platinum which is reduced by reductant, on the metal-based core to form a core-shell structure and loading the structure on carbon powder or carbon nanotubes carrier. The catalyst has low platinum loading and high catalytic activity so that platinum loading is low, the activity of the catalyst is high; the contradiction between the cost and performanceof catalyst is effectively solved, and the high active core-shell structure catalyst plays an extremely important role in solving the current problems of the fuel cell.

The present invention provides a method for comprehensively treating high salt content organic industrial wastewater, and relates to the field of the organic material preparing technique. The method of the invention mainly comprises the following steps: executing acid-alkali adjustment to the organic wastewater until pH=7-9, preheating to 30-60 DEG C; introducing the wastewater into a triple effect evaporator for executing triple effect evaporation, executing salting out to the evaporated wastewater which is condensed to a certain degree so that the solid and liquid are separated; separating the concentrated liquid for continuing the condensation; when the separated liquid satisfies a certain requirement, atomizing into an incinerator for incinerating and discharging according to the standard, and introducing the triple effect evaporation condensation water into a biochemical treating system. The method of the invention can totally dispose and remove the organic matter in the high salt content organic industrial wastewater so that the high salt content organic industrial wastewater can be charged according to the standard. The method of the invention has the advantages of unique method, simple technical process, easy operation, low operation cost, large treating capacity, low regeneration energy consumption, no easy forming of secondary pollution after abandon, better economic and social benefit, and wide application range. The method of the invention can be widely applied for the treating of the high salt content organic wastewaters of garbage penetrating fluid, dye intermediate wastewater, etc.

The invention relates to a soluble magnesium-base alloy material which comprises the following components in percentage by mass: 80-95% of Mg, 3-19% of Al, 0.5-3% of Zn, 0.1-1% of Mn and 0.1-1% of Co, totaling 100%. The preparation method comprises the following steps: evenly mixing magnesium powder, aluminum powder, zinc powder, manganese powder and cobalt powder, carrying out cold pressing and sintering. The soluble magnesium-base alloy material can be used for fracturing balls in a horizontal well staged fracturing technique; the dissolution rate of the soluble magnesium-base alloy material in a normal-temperature 3% KCl solution is 10-40 mg.cm<-2>.h<-1>; and the soluble magnesium-base alloy material can bear a pressure of 60-110 MPa, which exceeds the level in the prior art. The technique for preparing the soluble magnesium-base alloy material is simple, and solves the problems of high preparation cost and low working efficiency in the existing fracturing balls.

The invention provides an electrolytic machining method for a thin-wall machine case of an aero-engine, belonging to the technical field of electrolytic machining. The electrolytic machining method mainly aims at the machining of a surface concave-convex structure of a complicated thin-wall rotary body part in the aviation field, and is characterized in that a tool cathode is of a thin-wall strip-shaped structure or a rigid rotary body structure; window or lug boss structures with different shapes are distributed on the surface of the cathode. In a machining process, a workpiece anode automatically rotates and the tool cathode is fed to the anode in a peripheral movement process. In the whole machining process, electrodes do not need to be replaced, and the surface concave-convex structure of the thin-wall rotary body part is machined and molded once through rolling sleeve electrolytic action of a cathode window.

The invention relates to an internal concrete curing compound and manufacturing method thereof. The ingredients include de-ionized water, non-metallic minerals, sodium hydroxide, acrylic acid and/or derivative monomer, water-soluble initiators of free radical polymerization, water-soluble cross-linker of free radical polymerization and addictive. The preparing method for the internal curing compound of solution-type concrete is characterized in that the following procedures are applied: 1) preparation of raw materials; 2) mixing of de-ionized water, sodium hydroxide, acrylic acid and/or derivative monomer; 3) the mixed solution is added and mixed with and in order of cross-linker, initiator, non-metallic minerals, epoxy ethane, rust retardant agent; the internal concrete curing compound can be obtained following a homogeneous mixing and heating with recycled hot air. The invention can save curing water, reduce manpower/material input, minimize addictive cost, effectively control water evaporation, reduce the cost for late concrete curing and enhance the comprehensive performance of concrete addictives, which proves to be environment friendly with respect to environmental impact.

Embodiments of the invention disclose a three-dimensional memory and a formation method for a channel hole structure of the three-dimensional memory. By implementing two times of a through hole formation process of a first through hole and a second through hole, the channel hole structure in the three-dimensional memory is formed, so that the process difficulty and cost of the channel hole structure can be greatly lowered; the problem of high process difficulty and high cost caused by overhigh depth-to-width ratio of the through holes under the same caliber are solved; and meanwhile, the manufacturing process difficulty and cost of the three-dimensional memory are lowered.

The invention discloses an uninterrupted power supply system, which comprises a main power supply, a bypass power supply, at least two power modules, at least one battery pack, a monitoring module, a manual maintenance switch, an output switch, wherein the power modules are connected in parallel and connected to a load through the output switch; the bypass power supply is connected to the load through the manual maintenance switch. The invention reduces consumption and cost of the system, and reduces failure rate of the system.

The invention discloses a transformer station guide rail type inspection robot. The transformer station guide rail type inspection robot is characterized by comprising a guide rail arranged in a transformer station and a mobile dolly walking on the guide rail. The mobile dolly is provided with a central control module, and a holder, a motor driving module, a positioning module, an equipment information acquisition module, a communication module, a remote control module and a fault module which are connected with the central control module, wherein the equipment information acquisition module is used for obtaining information of detected equipment; the communication module is used for receiving data and communicating with a host computer; the holder is provided with a camera for acquiring onsite image information in the transformer station; and the central control module is used for controlling the driving of the mobile dolly and the holder, data processing and communication. According to the invention, the transformer station guide rail type inspection robot has the following advantages: power is supplied uninterruptedly, the requirement for non-contact type state monitoring of various equipment of the transformer station is satisfied, electric power equipment is monitored in an omni-directional mode, the operation is stable and reliable, and the maintenance cost of the guide rail is low.

The invention discloses a pin tool used for friction stir welding, which integrates an electromagnetic vibration system, an electromagnetic action system, an internal forced cooling system, a gas-shielded forced cooling system, a temperature induction system and a sealing and insulation system, and is an integrated pin tool used for friction stir welding, which has the functions of electromagnetic vibration in-situ composite electromagnetic action, forced temperature control, gas shielding and temperature detection, and a device thereof is further disclosed, and can be applied in electromagnetic vibration in-situ composite electromagnetic action friction stir welding and the preparation of ultrafine grain materials with large thickness and large area by severe plastic deformation.

The invention provides an intelligence household group network structure with set-top box and its operation method. The group network structure consists of the set-top box and intelligence household equipment through network connection. The set-top box is provided with a network joint connected with the intelligence household equipment and the memory of the set-top box divides a special storage area as intelligence household information. The invention adopts the set-top box to control the intelligence household equipment, which saves abundant funds for users and saves plentiful energy for society, finally realizing the effects of easy use, easy monitoring and convenience for users. The invention effectively resolves the problem of high cost and difficulty for realizing real-time monitoring by adopting computer method to household equipment and inconvenient operation by controlling the household equipment respectively.

The invention discloses a composite catalytic electrode for producing oxygen by electrolyzing water, and a preparation method and application thereof. The electrode expression is Ni(OH)2/Ni3S2/Ni, wherein a Ni(OH)2 lamina is used as an outer layer coating layer, Ni3S2 nanoparticles are used as an active substance, and Ni foam is used as a conducting substrate. The preparation method comprises the following steps: carrying out ultrasonic cleaning on a metal nickel source sequentially with deionized water, alcohol and acetone; impregnating the pretreated metal nickel source in a sulfur source water solution, adding into a high-pressure autoclave, and carrying out hydrothermal reaction at 140-200 DEG C for 1-8 hours; and cooling, taking out the sulfurized metal nickel, rinsing with deionized water, and carrying out vacuum drying. The composite electrode for electrolyzing water has ultralow water electrolysis overpotential and high current density, obviously reduces the electric power consumption, and thus, has important application in the field of water electrolysis. Meanwhile, the composite electrode synthesis method is simple, has the advantage of low cost for raw materials and synthesis, and is suitable for application in water electrolysis industry.

The invention discloses a method for realizing cross-management-domain identity and permission information sharing. Various authoritative institutions establish a management information sharing blockchain system together; each authoritative institution constructs a block chain node, participates in establishment of the block chain system, and backs up a block chain ledger; the management system of each authoritative institution is docked with the own block chain node, so that the block chain node is controlled to operate a block chain; in an individual cross-domain access process, the management systems of the authoritative institutions and the block chain nodes perform mutual negotiation; and the management systems of the authoritative institutions perform mutual negotiation. According to the method for realizing cross-management-domain identity and permission information sharing disclosed by the invention, the traditional point-to-point cross-domain management information sharing disadvantages are evaded; credible distributed storage and updating of identity permission management information and behaviour records can be realized; a unified query channel of individual identity permission and behaviour records is provided for the management system of each authoritative institution; and a support is formed for settlement among the management systems of the authoritative institutions.

The invention discloses a method for pig CMAH gene specific knockout through CRISPR-Cas9 and sgRNA for specially targeting a CMAH gene. A target sequence of the sgRNA for specially targeting the CMAH gene on the CMAH gene meets a 5'-N(20)NGG-3' sequence arrangement rule, wherein the N(20) represents 20 continuous bases, and each N represents A, T, C or G; the target sequence on the CMAH gene locates at a 5-exon coding area or a junction position of adjacent introns of an N end of the CMAH gene; and the target sequence on the CMAH gene is unique. The sgRNA is used in a method for pig CMAH gene specific knockout through the CRISPR-Cas9, the pig CMAH gene can be rapidly, accurately, efficiently and specifically knocked out, and the problems of the long period and high cost of construction of a CMAH gene knockout pig are effectively solved.

The invention discloses a method for CRISPR-Cas9 specific knockout of a pig GGTA1 gene and sgRNA for a specific targeted GGTA1 gene. The target sequence of the sgRNA for the specific targeted GGTA1 gene on the GGTA1 gene is in accordance with the sequence arrangement rule of 5'-N(20)NGG-3', wherein N(20) represents 20 continuous bases, and each N represents A or T ot C or G; the target sequence on the GGTA1 gene is positioned at a junction of 5 exon coding areas and/or adjacent introns of the N-end of the GGTA1 gene; and the target sequence on the GGTA1 gene is unique. According to the method for CRISPR-Cas9 specific knockout of the pig GGTA1 gene via sgRNA, specific knockout of the pig GGTA1 gene can be rapidly and accurately realized with high efficiency, and the problems of long period and high cost for constructing the knockout of the pig GGTA1 gene can be effectively solved.

The invention provides a micro-electromechanical system (MEMS) triaxial accelerometer and a manufacturing method thereof. The MEMS triaxial accelerometer comprises a sensitive device layer, an upper cover board layer and a lower supporting body layer, wherein clearances are reserved between the sensitive device layer and the upper cover board layer as well as between the sensitive device layer and the lower supporting body layer; the sensitive device layer comprises a supporting frame body, an elastic beam, three independent sensitive mass blocks, movable comb teeth, fixed comb teeth and an electrode; the three independent sensitive mass blocks in the sensitive device layer are used for detecting acceleration signals of three axes X, Y and Z respectively; an acceleration sensor in each direction is hung in the supporting frame body through the corresponding sensitive mass block by the elastic beam which is only sensitive to the detection direction; a plurality of pairs of movable comb teeth are formed on each sensitive mass block by using a body silicon processing technology; a plurality of pairs of fixed comb teeth are correspondingly formed on the supporting frame body to form a pair of differential capacitors serving as sensitive capacitors; and the differential comb tooth capacitors in different directions generate a differential capacitance change in response to the acceleration signals in the corresponding directions.

The invention particularly relates to a sentiment dictionary learning based text sentiment analysis method and system. The method includes steps: subjecting initial text data to normalization processing to generate preprocessed text data, and clustering the preprocessed text data to a preset field; adopting a seed sentiment dictionary based sentiment word discovery method to form a special sentiment dictionary in the preset field; subjecting the preprocessed text data to retrieval according to the special sentiment dictionary to acquire target text data serving as initial training corpus in the corresponding preset field, and classifying inputted to-be-classified texts through formed multiple classifiers. Labor cost is reduced, the problem of overfitting caused by a single classifier is avoided, and accuracy in text sentiment analysis is improved by consideration of the text related fields.

The embodiment of the invention discloses a distributed storage method and device, computer equipment and a storage medium. The method comprises the steps of grouping a to-be-stored file to form multiple data groups; forming at least three data fragments from all the data groups, wherein each data fragment comprises part of data groups, and each data group is added to at least two data fragments;distributedly storing all the data fragments in distributed storage nodes; recording a corresponding relationship between the data fragments and the data groups, and a corresponding relationship between the storage nodes and the stored data fragments; deleting the local to-be-stored file. According to the technical scheme, a user conveniently stores files in a distributed network to lower the storage cost, the privacy and safety of the stored files can be effectively improved, and thus an attacker is prevented from restoring original files.

Belonging to the technical field of heat storage and transfer, the invention provides a ternary nitric acid nano-molten salt heat transfer and storage medium, a preparation method and application thereof. The ternary nitric acid nano-molten salt heat transfer and storage medium contains a ternary nitric acid molten salt system formed by potassium nitrate, sodium nitrate and sodium nitrite. The ternary nitric acid nano-molten salt heat transfer and storage medium is characterized in that it also includes metal oxide nanoparticles and/or non-metal oxide nanoparticles. The nanoparticles are dispersed into the ternary nitric acid molten salt system to undergo compounding so as to form the ternary nitric acid nano-molten salt heat transfer and storage medium. The ternary nitric acid nano-molten salt involved in the invention has a low melting point, an upper limit use temperature up to 600DEG C, good thermal stability, and high heat conductivity, thus being very suitable for the heat storage and transfer system of industrial energy storage and solar-thermal power generation.