8694results about How to "Strong targeting" patented technology

The invention discloses a system for visually detecting workpiece appearance defects based on image processing, comprising an industrial personal computer, a coaxial light source, a CCD (charge coupled device) industrial camera, an image acquisition card and a rejecting mechanism; both the coaxial light source and the rejecting mechanism are connected with the industrial personal computer; the CCD industrial camera is connected with the industrial personal computer through the image acquisition card; wherein the coaxial light source is used for providing a diffuse reflection light source for a workpiece to be detected; the CCD industrial camera is used for taking an image of the workpiece at a detection station; the rejecting mechanism is used for rejecting from a production line, workpieces detected to be defective; the industrial personal computer has a defect detection module based on image processing; the system is high in detection efficiency and easy to implement.

The invention discloses a workpiece apparent defect detection method based on machine vision. Firstly, a visual system is used for guiding a robot, the pose of a target workpiece is precisely positioned according to a template matching algorithm based on a gray value, and then workpiece apparent defect detection is carried out and comprises the steps that firstly, a workpiece image is acquired and pretreated through median filtering; secondly, the target workpiece is divided through a global threshold value, and workpiece pose correction is carried out; thirdly, burr interference of the edge of the workpiece is removed through mathematical morphology open operation; fourthly, notches, material sticking, cracking, indentation, needle eyes, scratches and foaming apparent defects are detected. The method solves the problems that the artificial detection speed is slow, the efficiency is low and precision is poor; the problems that according to current vision detection, defect types are singular, the imaging quality is poor, and the false drop rate is high are solved, and the automation degree of precise workpiece production and product quality are improved.

The invention provides an emergency avoidance system and method for an unmanned automobile. An environment detection system of the unmanned automobile is used for sensing the surroundings, and the conditions such as the types and the states of avoiding objects are distinguished; according to the actual condition of the avoiding objects, analysis and decisions are made, and an emergency avoidance scheme is acquired; then, decision information is sent to a vehicle control device so that the avoidance action can be executed; and finally, according to real-time information, whether avoidance is successful or not and whether the scheme needs to be planned again or not are judged. By the adoption of the emergency avoidance system, measures are taken actively before an accident occurs to the automobile, and the occurrence rate of accidents of the automobile can be effectively reduced.

The invention belongs to the field of analysis on operation of an electric distribution network, and relates to an operating level and power supplying capability evaluation method for an urban electric distribution network. The method comprises the following steps of: based on point view of system engineering and own intensive property of index, clearing up and analyzing existing indexes relative to the operating level and the power supplying capability of the electric distribution network, constructing an electric distribution network operating level and power supplying capability evaluation index system by combining an improved analytic hierarchy process with a fuzzy evaluation method, selecting and design an evaluation index based on expert advice to determine an index range and a weight of the evaluation on the operating level and the power supplying capability of the electric distribution network, determining a rational range of an evaluation index, setting weight of each evaluation index, and finally providing flows and use methods of comprehensive evaluation on the operating level and the power supplying capability of the urban electric distribution network.

The invention provides a detector for binary-code buffer-zone overflow bugs, and a detection method thereof. The detector comprises six functional modules, namely a debugger module, an input point positioning module, a disassembling module, a symbolic execution module, a loop operation analysis module and an intelligent FUZZ test module. Differing from static symbolic execution, the detection method dynamically loads programs through the self-developed debugger module to synchronously performing symbolic execution and single-step practical execution, and then applies a model to solve each difficulty in binary code analysis so as to test path coverage and detect overflow bugs in accordance with all executable programs of PE format under a Windows platform. The detection can also provide propagation paths of input data and other important information related to bug formation cause while positioning the bugs, only analyzes the selves of the executable programs, needs no source codes, is unrelated to the species of source codes and development tools, and is extensive in applicable occasions, so the detection method has good prospects for popularization and application.

The present invention provides an electronic information system and a method thereof, and constructs two sets of subsystems of field data collecting and indoor data processing. The field data collecting system is based on a Mobile GIS platform and is combined with GPS positioning, GPRS network, bluetooth communication, etc. The field data collecting system realizes high-precision positioning of earth monitoring, uses different methods for executing difference positioning, digital information collecting, eraser list constructing, photograph taking / camera shooting evidence obtaining and terrain hyperlinking for realizing electronic information of field land surveying at the state with / without VRS network. The indoor data processing system is based on SuperMap GIS developing platform and Browser / Server structure, and is combined with XML data interchange, spatial geographical coordinate projection switching, overlapping analyzing, etc. The indoor data processing system realizes multiple functions of indoor multi-source map data expression and operation, combined inquiry, report generation, land monitoring database updating, property formwork customizing, etc., and realizes electronic information of indoor land monitoring operation.

The invention belongs to the technical field of chemical industry, and relates to a cooling water corrosion inhibitor, in particular to an efficient composite corrosion and scale inhibitor which can remarkably reduce corrosion and scaling phenomena of the cooling water of a petrochemical system. The corrosion and scale inhibitor is prepared by evenly mixing organic phosphine carboxylic acid corrosion inhibitor, organic multi-element phosphine acid corrosion and scale inhibitor, polymer scale inhibitor, metal ion succimer, surface active agent, zinc salt, functionality additive and water. The corrosion and scale inhibitor prepared from the components has low phosphine content and excellent corrosion and scale inhibition performance, can prolong the service life of devices, improve the repeated utilization rate of cooling water and reduce the water resource consumption.

The invention discloses a full-period electric pressure cooker production control method. The method includes the steps that demand order data input by a customer is received, and a material ratio meeting electric pressure cooker production is automatically calculated and determined; an electric pressure cooker is produced according to the material ratio, and raw materials are weighed. In the full-period electric pressure cooker production control method, the electric pressure cooker is produced according to customer demands, the customer only needs to provide various demands such as food types and the product usage area when buying an electric pressure cooker, and then the electric pressure cooker which is needed by the customer and is suitable for food cooking and the product usage areacan be produced, which is like that an electric pressure cooker expert provides special technical guidance of electric pressure cooker production for the customer, so that the method has high pertinence to food cooking and the product usage area and is beneficial to increasing the electric pressure cooker utilization rate.

The invention discloses a three-layer coextrusion heat shrinkage resin film, a production method and an application method. The-three layer coextrusion heat shrinkage resin film is produced by taking PE(LDPE, HPPE, LLDPE, mPE), EVA, PP, PA and EVOH resins as the main materials which are matched with a functional master batch and adopting a production method of one-step huffing. The largest transverse and longitudinal shrinking rates of the product can reach 60 percent and 85 percent; the largest shrinking force of the product can reach 2.0N / cm. The shrinking rate and the shrinking force of the product can be controlled and adjusted by controlling various technical parameters to lead a package to be firm and endurable. The packaged objects are pertinently led to reach the anti-rust, anti static, illumination-resistance, anti-aging, anti-puncturing, anti-low-temperature, anti-isolation, anti-bacteria and anti-degradation effects and the like by adjusting the material composition and mixture ratio of each layer. The three-layer coextrusion heat shrinkage resin film is used for replacing the traditional paper box wrappage to reduce the packaging cost. The mechanical properties are good, the pertinence is strong, the materials are saved; when the three-layer coextrusion heat shrinkage resin film is used, the shrinking temperature is low, the power is saved and the packaging cost is saved, thus effectively reducing the production cost and having extremely high application value.

The invention relates to a method for united operation design and optimized dispatching of a Yellow River upstream cascade hydroelectric station, which comprising the following steps of: measuring daily average reservoir level and downstream daily average tail-water level of each power station through a water level sensor; measuring discharged flow of each power station through an ultrasonic flowmeter; establishing a cascade reservoir united optimized dispatching model through a cascade hydroelectric station united optimized dispatching model module; computing and analyzing a cascade hydroelectric station united optimized dispatching path through a dispatching path computation and analysis module; carrying out unified operation design on a cascade hydroelectric station group system through a cascade hydroelectric station group system unified operation design module; and carrying out unified dispatching on the cascade hydroelectric station group system through a cascade hydroelectric station group system unified dispatching module. The invention is simple, clear and practical with high pertinence, can enable average annual energy output of a Yellow River upstream cascade power station group after the power stations in Laxiwa and Jishi valley are put into operation to be increased by about 470 million degrees, and the water supply guarantee rate of Lanzhou cross section to reach95 percent, and has remarkable technical economic benefit.

The invention relates to the essential oil of tobaccos as well as a preparation method and application thereof to cigarettes. The essential oil of the tobaccos is prepared by the following method of: taking discarded / defective tobacco wastes, extracting by an organic solvent, taking the crude extract of the essential oil, introducing water vapor, condensing and separating oil and water so as to obtain the essential oil of the tobaccos. By adding the essential oil of the tobaccos, which is disclosed by the invention and is used as a flavoring agent, into the tobacco shreds of cigarettes, the self fragrance of the tobaccos can be increased, the quality of the fragrance of the cigarettes is enhanced, the excitation and the miscellaneous gas of the tobaccos are reduced, and smoke is softened. The essential oil of the tobaccos as well as the preparation method and the application thereof to the cigarettes have the advantages that the advantage of higher extracting yield of a solvent extracting method and the characteristic of refinement of a water-vapor distillation extracting method are combined, the yield of the essential oil of the tobaccos is obviously higher than that of a traditional water-vapor distillation method, and extracting equipment and a solvent are simple and convenient and are easy to obtain; and moreover, no solvent residue exists in a final product of the essential oil of the tobaccos, and the safety of the product is high.

The invention relates to a Chinese medicinal composition for treating rheumatism. Diagnosis and treatment based on an overall analysis of the illness and the patient's condition is performed on the basis of the basic theory of traditional Chinese medical science, so the Chinese medicinal composition is particularly suitable for treating diseases such as rheumatic pyretic arthralgia, wind-cold damp arthralgia, blockage of phlegm and blood stasis and the like. In addition, the Chinese medicinal composition is also used for treating amenorrhea and fetal abortion (terminal pregnancy). The invention also relates to various pharmaceutically-acceptable formulations of the Chinese medicinal composition and particularly a minium black plaster, a preparation and a preparation method of the Chinese medicinal composition. The Chinese medicinal composition has the characteristics that: the diagnosis and treatment based on an overall analysis of the illness and the patient's condition is performed, the pertinence is high, the convenience is provided for patients who suffer from the rheumatism and the curative effect is definite; and thus, the Chinese medicinal composition is a comprehensive Chinese traditional treatment formula.

The invention discloses a semi-rigid base pavement damage detection and polymer grouting fast maintenance technology, which utilizes a falling weight deflectometer (FWD) and a ground penetrating radar (GPR) to detect and evaluate the performance of the pavement, identify the pavement damage and realize the lossless and fast detection of the semi-rigid base pavement damage. A grouting hole is perforated on the section that needs damage treatment and polymeric materials are injected into the hole to repair the pavement. The maintenance technology has the advantages of speedy construction, good durability, strong pertinence and excellent waterproof performance of the injected polymeric materials, which not only saves a large amount of funds and construction periods and avoids the adverse social effects caused by long affected traffic, but also is beneficial to environmental protection and resources-saving . The semi-rigid base pavement damage detection and polymer grouting fast maintenance technology of the invention integrates damage lossless detection technology such as the FWD and the GPR, etc. with the polymer grouting fast maintenance technology, thus providing a whole set of advanced, efficient, economical and practical technology for detecting and maintaining the semi-rigid base pavement damage.

The invention discloses a preparing method and fertilizer product of agricultural amino acid, which is characterized by the following: separating microbe bacteria 37-1 to produce secretory proteinase from wild pig gastrointestinal; seeding the bacteria in the waste protein; emzymlyzing solid for 5d (30-50 deg.c); making free amino acid content at 12% as raw material of fertilizer.

A physical recovery technology of metal enriched materials from waste CB applies a mechnanical and physical sorting method to cut, crush, screen, sort and separate the waste CB by a double tooth roll shearer, a punch crusher, a magnetic separator, a separating screen, a rotary static separator, high efficient centrifugal separator to get a multicomponent of metal rich collection and a nonmetal enriched material to recover all valuable components from waste CB.

Provided are an excavating device and an excavating method of binary system program loopholes. The excavating device is provided with a static analysis module, a debugger module, a genetic algorithm module, a test input generation module and an abnormal monitoring module which are sequentially connected and a dynamic pollution tracking module located between the debugger module and the genetic algorithm module. The excavating device is guided to generate a test case by aid of a fitness function of the genetic algorithm, the multi-objective fitness function is designed, and the test case is evaluated in view of quantification. Dynamic pollution tracking is used for identifying key bytes in input files to narrow search space of the genetic algorithm. The excavating device combines advantages of the genetic algorithm and the dynamic pollution tracking and is guided to generate the test case, so that the generated test case is strong in pertinence, generated test data are high in accuracy and efficiency, further qualitative analysis and quantitative calculation are combined, and therefore path explosion in binary system program testing based on the symbolic execution and constraint solving technology is avoided.

The invention discloses a recommendation method and system based on instant voice content detection. The method comprises the following steps: collecting voice information of a user; converting the voice information into a text content and indexing to obtain an index database; retrieving a recommended article dictionary to obtain an instant voice keyword; calculating a user interest model; calculating the similarity between the user interest model and each preset article model; and generating a candidate article set in a recommended article information base, selecting a specified number of articles, and sending a recommendation list corresponding to the selected specified number of articles to a target user. The system comprises a voice collection module, a voice content analysis module, a voice keyword retrieval module, a user interest deduction module, an article model similarity calculation module and a list sending module, which are corresponding to the method. The recommendation method and system disclosed by the invention can make full use of the close correlation of daily voice communication chats, watched film and television drama lines and other voice information of the user with the current interest of the user, the pertinence of the recommended articles is strong, the accuracy is high, and the user experience is good.

The invention discloses an information searching method and device. The method comprises the steps that search keywords input by a user are received; semantic analysis is conducted on the search keywords, and a plurality of information types and corresponding relevancies required by the user are obtained according to results of the semantic analysis; the search keywords are matched with various vertical search data bases according to the relevancies of the information types, and various types of search result data of the vertical search data bases corresponding to the search keywords are obtained; the various types of search result data are integrated and shown. According to the information searching method and device, the search results which are obtained finally integrate content of a plurality of vertical channels, and comprise various possible requirements of the user. Compared with universal search, pertinence is stronger, the situation that the user can only select the current channel in vertical search is avoided, and therefore invalid operation of the user is reduced, and the requirements of the user are met more rapidly.

The invention discloses a recommending method and a recommending system. The recommending method includes the following steps of firstly, computing likeness of target users for various attributions of a commodity to be recommended; secondly, integrating likeness of the target users for various attributions of the commodity to obtain the integral likeness of the target users to the commodity; and thirdly, recommending the corresponding commodity to the target users according to the likeness of the target users for the commodity to be recommended. In order to provide more accurate recommendations for new users and users having low purchase quantity, the integral tendency of all users and personal tendency of a single user are comprehensively analyzed by the Bayes method. For optimization of the new users and the users having low purchase quantity, service quality is improved favorably, and searching time of the users is saved.

The invention provides an unmanned aerial vehicle cruising and monitoring system for forest fire. The weight of the unmanned aerial vehicle is reduced, flight time is prolonged, an unmanned aerial vehicle cruising range is enlarged, route planning is carried out for fire monitoring, and an unmanned aerial vehicle flight control system is combined with a geographic information system. The route planning not only guarantees monitoring quality and monitoring full coverage but also considers the hardware parameters and the flight safety of the cruising unmanned aerial vehicle, a rotary head carries a thermal infrared imager and a colorful high-definition camera, the thermal infrared characteristics of the image of the forest fire are fully utilized, and an automatic monitoring and identification method for forest fire information is designed. Even if the forest fire monitoring distance of the unmanned aerial vehicle is long, fire characteristics can be accurately captured. A colorful high-definition image is compressed and transmitted back to a ground command post, a high-definition fire video image can be quickly transmitted to the ground, a fire position can be accurately reported, so that convenience is brought to the ground command post in accurately judging a fire situation and organizing people to fight the fire, and precious fire-fighting time is saved.

The invention discloses a method for battery SOC estimation based on small model error criterion expanding Kalman filter. The method comprises the steps of first establishing a variable-order RC model based on an AIC criterion and laying a good foundation for SOC precise estimation; obtaining data such as battery terminal voltage, current and corresponding model errors in an off-line mode under different working conditions and establishing a model error prediction model based on a fuzzy neural network; predicting model errors in an on-line mode based on the neural network in filtering, and performing measurement and updating on state estimation only when predicted errors are small so that the problem of filtering divergence caused by the model errors and system noise statistical characteristic uncertainty and the problem of SOC estimation fluctuation caused by battery terminal voltage jump can be solved. The method can effectively eliminate filtering estimation errors caused by the model errors and can be suitable for the dynamic process of a battery under various complex working conditions.

The invention relates to finite time tracks of aircrafts, in particular to a method for rapidly generating a finite time track of a hypersonic aircraft. The method aims to solve the problems that the process of deriving an optimal solution according to a traditional method is complex, nonlinear programming problems with complex constraints cannot be effectively solved, the rapidity and real-time performance of track optimization cannot be met, and complex reentry environmental disturbance and environmental uncertainty cannot be handled. The method includes the steps that 1, the motion model of the hypersonic aircraft is obtained; 2, the nonlinear programming problem is formed; 3, the nonlinear programming problem is described to be a quadric form convex problem; 4, a high-speed resolver is generated; 5, the quadric form convex optimization problem is solved, and the solution is analyzed. The method is applied to the field of the finite time tracks of the aircrafts.

The present invention discloses a wearable upper extremity rehabilitation training robot device, including shoulder joints, upper arms, elbow joints, forearms, wrist joints and palms. The robot device of the present invention has eight free degrees to simulate the free degrees of the joints of the human upper extremities and can provide more free degrees, so as to guarantee the main joints of the human upper extremities to get assisted training during the rehabilitation training; the present invention uses the wearable structure, the structure is simple, the weight is light, which can be worn on the patients with the good comfort, furthermore, the present invention can directly act on the affected limb, so the pertinence of the training is strong and the effect is good. The structural design of multi-free degree can meet a variety of control methods and assist the affected limb to carry out the rehabilitation training of the single joint movement and multi-joint compound movement, so as to achieve the purpose of assisting the patients to fulfill the necessary things in the daily lives.

The invention provides a method for reducing inter-cell interference in an upper cellular system and a base station applying the method. Firstly, a resource coordination method is executed among the base stations to divide recourse into a resource block subclass; then an interference overload indication method is determined among the base stations, and a disturbed threshold is determined for the resource; then, the base stations carry out the interference overload indication method based on the resource block subclass later; and when receiving an interference overload indication, the base station carries out control strategy to user equipment which uses the resource block subclass recently according to the nature of the interference overload indication and the resource block subclass, so as to achieve the purpose of retraining the interference. The control strategy comprises reduced power, resource usage restriction, transposition of the user equipment in the resource coordination method, refused interference overload indication, adjusted disturbed threshed, adjusted resource coordination method and the like. The invention effectively reduces the intra-cell interference, and has the advantages of less communication signaling cost among the base stations, stronger interference suppression pertinence and flexible, various control methods and the like.

The invention relates to a method for treating wastewater and discloses a method for treating wastewater in an automobile manufacturing plant. A method of pretreatment, two-stage physicochemical treatment, biochemical treatment and advanced treatment is adopted to treat wastewater. The method for treating wastewater in the automobile manufacturing plant has little investment, small occupied area and low operating cost and has good integrated treatment effect on industrial wastewater and domestic sewage discharged from the automobile manufacturing plant.

The invention discloses a smart safeguard fence, comprising a left upright post, a right upright post and a net fence between the left and right upright posts, wherein a vibration optical cable is arranged in the fence, two ends of the vibration optical cable are respectively connected with a tension sensor and a high voltage pulse module which are arranged in the upright posts, a passive infrared module, a wireless communication module, a microcontroller, a power source module and a storage cell are mounted further in the upright posts, the power source module comprises an energy conversion module, a smart power supplying switching module and a voltage varying and stabilizing module, cloud deck cameras are mounted at the tops of the upright posts, solar generating assemblies are paved at the outer faces of the upper parts of the upright posts, and the microcontroller is communicated with a monitoring center by the wireless communication module. Couplers are respectively arranged at the two upright posts, and a whole safeguard fence system is formed by connecting and inserting the couplers among multiple safeguard fences. The smart safeguard fence has the advantages of high alarming accuracy rate, strong video monitoring pertinence, good safe performance, energy and power saving, and the like.

The invention relates to a microorganism enhanced oil recovery method, in particular to a method for improving oil well yields by means of oil pool indigenous microorganisms. The method includes the following steps of (1) screening of a test oil well, (2) screening of activating agents, (3) confirming of the injection rate of the activating agents, (4) confirming of well closing time and (5) on-site testing. By means of the indigenous microorganisms existing in the activated oil well, on-site test cost is thereby saved, different formulas of the activating agents are chosen according to the different indigenous microorganisms, activating effects and on-site test effects are effectively improved, the stratum cannot be damaged and the environment cannot be polluted when nutrient substances are injected, and therefore the method can be widely used for microorganism enhanced oil recovery.

The invention relates to a cooling fire extinguishing device specific to stored lithium ion battery thermal runaway. The cooling fire extinguishing device is composed of a control part, a water supply device and a liquid nitrogen supply device. The control part is composed of infrared temperature detectors (1), a temperature judgment program (10), a control valve (11), water control valves (2), liquid nitrogen control valves (9) and an electrical circuit connected with the infrared temperature detectors (1), the temperature judgment program (10), the control valve (11), the water control valves (2) and the liquid nitrogen control valves (9). The water supply device is composed of a water storage tank (5), a high-pressure pump (4), a water supply pipe network (12) and fine water mist spray nozzles (3). The liquid nitrogen supply device is composed of a liquid nitrogen tank (6), a low-temperature pump (7), a liquid nitrogen supply pipe network (13) and liquid nitrogen spray nozzles (8). The cooling fire extinguishing device is mainly suitable for storage places of lithium ion battery packs and can provide safety insurance for application, storage and transportation of lithium ion batteries. The fire extinguishing device can conduct targeted cooling in the initial stage of lithium ion battery pack thermal runaway, and meanwhile, timely fire extinguishment can be conducted after the battery pack is integrally on fire.