981results about How to "Reduce the influence of human factors" patented technology

The invention discloses a method and a device for computer visual inspection classification of the quality of fresh corn ears, which aim to solve the problem that an artificial classification method makes the accuracy and the reproducibility of classification generated adverse effects. The method comprises the following steps of: 1, under a certain illumination condition, acquiring images of the fresh corn ears passing through a place right below a camera by an image acquisition device, and transmitting the images to a main control computer; 2, according to the acquired images of the fresh corn ears, performing image analysis by the main control computer through intelligent analysis software through the steps of: partitioning backgrounds of the images of the fresh corn ears by adopting an iteration-replacement method, and then extracting characteristics as quality indexes of the fresh corn ears on the basis of the images obtained after the background partitioning of the images of the fresh corn ears; and 3, on the basis of the quality indexes, which are acquired through the image analysis, of the fresh corn ears, and according to a grading standard that the fresh corn ears are classified into three grades, performing grade estimation on the fresh corn ears by using a fuzzy neural network. The invention also provides a detection device for implementing the method.

The invention relates to a method for accurately measuring height with a total station, which is a new method for accurately measuring the height. The technical scheme provided in the invention is that the total station is arranged between a front viewpoint and a rear viewpoint and leveled, and a leveling distance measuring prism holder of two equally high centering rods is arranged on the front and rear viewpoints to implement measurement (see the figure). When implementing measurement, the crosshairs center of a total station telescope aims at the center of a rear viewpoint reflection prism to measure distance, record the height difference reading (VD) of the rear viewpoint, and read the height difference reading of the front viewpoint according to the method; the difference between the height difference readings of the front and rear viewpoints is the height difference of the front viewpoint relative to the rear viewpoint, and the sum between the height difference and the height of the rear viewpoint is the height of the front viewpoint. The invention can be widely used in common measurement and engineering measurement.

The invention discloses a construction method of a knowledge graph library for network fault analysis and application thereof, and relates to the technical field of network communication. The method comprises: using an intelligent method to carry out data acquisition on communication network data; constructing ontology libraries in different fields, constructing a global ontology library by adopting a data fusion and mapping technology according to the ontology libraries in different fields, and finally constructing a knowledge map library with consistent semantic relationships of various datasources through entity alignment, entity linking and knowledge calculation in sequence. The constructed knowledge graph library is used for retrieving possible reasons for causing the network fault,suggestions of a fault solution are provided for a user, rapid positioning and solution of the network fault are facilitated, the fault processing efficiency is improved, and meanwhile the influence of human factors is reduced.

The invention provides a cantilever type automatic tin soldering device. The device comprises an X-axis movement module, a Y-axis movement module, a rack and a product conveying assembly line, wherein the product conveying assembly line is installed on the rack, the X-axis movement module is installed on the rack through a supporting plate, and the Y-axis movement module is installed on the X-axis movement module. The device further comprises a Z-axis lifting module, an iron welding assembly, an iron welding assembly rotating device and a soldering tin supplying device, wherein the Z-axis lifting module is installed on the Y-axis movement module through a supporting frame, the iron welding assembly rotating device is installed on the supporting frame, the iron welding assembly is installed on the iron welding assembly rotating device, the solder wire supplying device is installed on the supporting frame, products to be subjected to tin soldering are fed into the product conveying assembly line and positioned, the iron welding assembly rotating device drives the iron welding assembly to rotate to an assigned angle, the soldering tin supplying device is used for conveying soldering tin to the iron welding assembly, and the X-axis movement module, the Y-axis movement module and the Z-axis lifting module are combined to drive the iron welding assembly to an assigned position for tin soldering.

The invention discloses a fan frequency conversion control system and method for air pressure dynamic balance of a mine stope. The fan frequency conversion control system comprises an alternating-current frequency converter console, a counter rotating axial flow fan, carbon monoxide sensors, air speed sensors, a differential pressure sensor, an intrinsically safe power supply, and an intrinsically safe junction box, wherein the alternating-current frequency converter console has two sets of alternating-current frequency converters; the frequency converters, the counter rotating axial flow fanand the intrinsically safe power supply are arranged in an inlet alley; the air speed sensor 1 is arranged in the air inlet alley; the differential pressure sensor and the air speed sensor 2 are arranged in an air return alley; and the two carbon monoxide sensors are arranged in an air return corner region. Data such as carbon monoxide content, air quantity, air pressure and the like is real-timemonitored, ventilation quantity of a mining working surface is automatically controlled, so that the mining working surface and the environment air pressure automatically achieve dynamic balance, thus the safety production of the mining working surface is achieved when a plurality layers of mine goafs are communicated with each other, the working efficiency, the precision degree and the safety degree are improved; the fan is driven by frequency conversion, so that the fan has energy-saving effect, broad adaptability, social benefits and economic benefits.

The invention provides an image type spinneret plate automatic detector which comprises a microscope, a CCD (Charge Coupled Device), a lighting system, an electrical control card and a personal computer, with a three-axis CNC (Computerized Numerical Control) moving worktable as a main body, wherein the three-axis worktable can be driven by the electrical control card to realize programmed control under the control of the computer. The personal computer is provided with an image acquisition card and receives a workpiece image captured by an optical imaging system which consists of the microscope and the CCD. The personal computer is internally provided with a spinneret plate automatic detection module, the spinneret plate automatic detection module can automatically plan a detection process aiming at a circular spinneret plate and a square spinneret plate and automatically control the three-axis moving worktable in the detection process, the detection positions of spinneret holes are moved to a vision center of the microscope one by one according to a generation sequence, an edge point set of the holes of the spinneret plate is automatically extracted, and whether the spinneret holes are qualified or not is judged with the image of the spinneret holes and the edge point set.

The invention provides a casting method of a turbine housing. The casting method includes the following steps of firstly, core manufacturing, secondly, core assembly, thirdly, shell core baking, fourthly, smelting and refining, fifthly, mold preparation, sixthly, casting and seventhly cutting and cleaning. In the core manufacturing process, a riser sand core mold is arranged on a core shooting machine, the core shooting machine is powered on to heat the mold, a layer of precoated sand is cured on a cavity of the riser sand core mold, and a riser sand core is obtained after mold opening. In the core assembly process, the riser sand core and a turbine housing core are assembled and bonded. In the shell core baking process, shell cores painted with coatings are put into a baking kiln. In the smelting and refining process, raw materials are added to a melting and heat preservation furnace, and the melting and heat preservation furnace is powered on for melting. In the casting process, the shell cores are put in a mold, and tilt casting is conducted after mold combination. In the cutting and cleaning process, a casting is cut, the riser is cast, and burrs and fins of the casting are ground and cleaned. The metal tilt casting method of an aluminum alloy turbine housing body can solves the problems of shrinkage porosities and cavities and slag holes in a big flange face of the aluminum alloy turbine housing; open risers and blind risers are arranged, in combination with the riser sand core, an ideal temperature field is formed after the casting is cast, and solidification can be conducted from the casting to the risers in sequence.

The invention provides an automatic tube butt joint all-position TIG welding technology for coiled tubing. The technology comprises the steps that the tube ends at the two sides of the coiled tubing are straightened, the tube ends of the two sides are subjected to V-shaped edge preparation or U-shaped edge preparation, the inner wall and the outer wall of a joint between the tube ends are cleaned, then the tube ends are assembled in a butt joint mode, a butt joint of the coiled tubing is subjected to non-wire-filling backing weld, filling weld and cosmetic weld through the automatic all-position TIG welding technology, when the butt joint is welded, the arc starting position of a welding gun is located at 1:30 or 2:00, and a separated section welding technology method is adopted for welding. By means of the welding technology, aiming at the tube butt joint welding of the coiled tubing, the traditional manual TIG welding is transferred into full-automatic TIG welding, the working efficiency is improved, the labor intensity is lowered, and the welding joint of the coiled tubing of great comprehensive performances is obtained.

The invention relates to a concrete track slab prefabricating construction method of a CRTS I type slab ballastless track. The method comprises the following steps of: (1) weaving a steel reinforcement framework; (2) mounting the steel reinforcement framework in a steel mould, wherein the steel mould is internally sprayed with a separant and provided with a pre-embedded sleeve; (3) penetrating a PC (Prestressed Concrete) steel rod and mounting an anchor backing slab; (4) pre-tightening the PC steel rod; (5) mounting a hoisting nut, a spiral bar and a grounding terminal nut; (6) testing an insulation resistor; (7) pouring concrete and vibrating; (8) plastering the surface; (9) maintaining by using steam; (10) dismounting fixing bolts of a pre-embedded piece; (11) demoulding: cleaning the pre-embedded piece and a template, closing the mould, spraying the separant in the steel mould and mounting the pre-embedded sleeve for later use; (12) overturning and examining shape: turning over the CRTS I type slab ballastless track contrete track slab obtained in the step (11) and examining the shape and the appearance; (13) stretching by prestress; (14) sealing the anchor; (15) maintaining in a water pool; and (16) storing in a slab storage area.

The invention discloses a high-precise ball highly-efficient grinding and polishing processing method, in the processing devices for realizing the processing method, a V-shaped groove is formed by a pyramidal face abrasive surface of the outer of an inner plate of a lower grinding plate and a pyramidal face abrasive surface of the inside of an outer plate of the lower grinding plate, a loading pressure device acts on a ball billet through an upper grinding plate, three processing contact points of the grinding ball are formed by the V-shaped groove and the upper grinding plate, the upper grinding plate, the outer plate of the lower grinding plate and the inner plate of the lower grinding plate share a same rotary shaft; a rotating shafts of two plates among the upper grinding plate, the outer plate of the lower grinding plate and the inner plate of the lower grinding plate are driven by an electric motor; relative orientation changing is carried out on a ceramic ball through adjusting the velocity combination of the omega[B] and omega[C], so that the grinding trails are distributed on the face of the ball uniformly, thus grinding the surface of the ceramic ball uniformly. In the invention, the higher processing precision and processing efficiency can be realized, and the processing device has simple structure and low manufacturing cost.

The invention belongs to the field of robots and discloses a robot control software module partitioning method. First, a system is partitioned according to minimum functions to obtain an element sample set of minimum function particles. Then, relevance analysis is conducted on sample set elements from the perspectives of functions and structures, and elements with certain relevance are merged and clustered through a fuzzy tree graph clustering method. A partitioning scheme of subtrees on different levels is obtained by selecting different thresholds. Finally, a module partitioning scheme is evaluated comprehensively according to an information entropy idea, and optimal partitioning results are selected. By combining fuzzy clustering and level analysis, relevance among system elements is quantized, effects of human factors in module partitioning are reduced, and difficulty of a modularity process of robot control software is reduced. A mathematical evaluation model is provided through the information entropy idea, a reasonable and effective solving scheme for a robot software system module partitioning particle problem is provided, a developing period of module partitioning is shortened, and system developing cost is reduced.

The invention belongs to the technical field of a radar system, and discloses a method for managing phased array radar resource. The method comprises the following steps: collecting all radar events; extracting the original characteristic parameter of a radar event; evaluating the threat degree to a radar target; obtaining the dynamic priority of the radar event; and obtaining a set of a final event type by scheduling the radar event. The method disclosed by the invention is characterized in that the original characteristic parameter of the radar event is firstly extracted; then, the dynamic priority of the radar event is obtained; and various event sets are determined by scheduling the radar event. The obtained priority of the radar event is dynamically adaptively changed according to environment change, so that the priority of the radar event can better satisfy requirements on radar resource management under complex and varied environments so as to avoid the problem of unreasonable priority, the phenomenon that the radar resource management lacks of comprehensive judgment so as to cause strong anthropogenic factor influence can be reduced, and the resource use ratio of the radarsystem is effectively improved.

The invention discloses a vehicle-mounted POS-based highway alignment feature recognition and parameter calculation method and belongs to the technical field of a combined navigation positioning system and measurement. The method comprises acquiring vehicle position parameters, a velocity parameter and an attitude parameter, extracting heading angle information and a sampling point mileage, calculating outline curvature distribution of all the sections, dividing initial highway alignment into a linear part and a circular curve part, adjusting window sizes of the linear line and circular curve, calculating easement curve alignment parameters, and carrying out statistics on the change of the all-section curvature along with the mileage according to the linear alignment parameters, the circular curve alignment parameters and the easement curve alignment parameters to obtain the optimized alignment features and parameters of all the sections. The data acquisition method can provide the attitude information of the carrier, improve the efficiency and accuracy, reduce white noise-caused influence through MFM-smoothed heading angle information, effectively eliminates grain noise and solves the problem of huge calculated amount. The window automatic recognition method greatly reduces human factor-caused influence and reduces workload.

The invention provides a therapeutic head for the portable ultrasonic therapeutic equipment, comprising: morph, the supporting frame supporting the morph and the actuating device; the morph connects with the supporting frame fixedly, the actuating device is fixedly installed in the supporting frame. The invention also provides the portable ultrasonic therapeutic equipment to assemble the therapeutic head. The therapeutic equipment in this invention enables the morph which can not move relatively with the therapeutic equipment housing to move, and also makes the motion be controlled, which diminishes the influence from human factors.

The invention discloses a road foundation compactness detection method. According to the method, comparative analysis is conducted through on-site light dynamic penetration tests and other tests for detecting the road foundation compactness, and a corresponding relation of the light dynamic penetration hammering number and the compactness is built; and then the large-area road foundation filling compactness is comprehensively detected through the light dynamic penetration method, the light dynamic penetration hammering number of each detection point is measured, and the road foundation compactness of each detection point is calculated according to the built corresponding relation of the light dynamic penetration hammering number and the compactness. By means of the method, road foundation compactness detection work becomes easier, more convenient and quicker, the detection cycle is short, cost is low, damage to a filled road foundation is little during detection, and the application range is wide.

The invention discloses a method for measuring the flow and the mud content of an artificial rainfall runoff plot, which specifically comprises the following steps of: (1) selecting an appropriate slope in the wild as a test site, and preparing a water source and a power source; (2) surrounding the test site into a corresponding runoff plot by using baffle plates; (3) installing an artificial rainfall device and a surface slop runoff and mud content measurement instrument; and (4) adjusting rainfall intensity within a time period, and monitoring the parameters of flow and mud content of the runoff plot in the rainfall erosion process in real time. The invention also discloses a control system of the measurement method. By using the method, the flow and the mud content of the runoff plot can be recorded in real time. Moreover, the method has great mobility, the measurement effect closest to natural is achieved according to different surface conditions and site measurement, and a data basis is established to quickly acquire the soil erosion modulus of development and construction projects.

The invention discloses a high-accuracy computer automatic marking method for subjective items based on domain ontology. The method comprises the following steps: firstly, building a domain ontology structure suitable for automatically marking the subjective items, and explaining a domain relation into a sentence in a natural language for describing a domain event; secondly, building a subjective item bank structure based on the domain ontology and item description logic, requesting the items to accord with the subjective item bank structure, and then marking answer sheets of examinees according to the following steps: (1) obtaining single words and part-of-speech tagging in the answer sheet of each examinee; (2) tagging an ontology element; (3) generating an answer sheet semanteme based on the domain relation; (4) calculating based on the similarity of the answer of the domain relation and the answer sheet semanteme; (5) calculating the score of the answer sheet of the subjective items of each examinee. According to the method, the semanteme analyzing and processing flows of the natural language in each examinee answer sheet are greatly simplified; the semanteme of answer domain knowledge is relatively fully expressed; the accuracy for automatically marking the subjective items is ensured.

The invention is the automobile sealing strip compressing load and displacement testing equipment. The step-by-step motor drives the driving device through the computer control; the driving device composed of the gear assistant and the thread nut assistant drives the pressing head to move straight and to press on the sealing bar; the raster ruler is equipped on the cantilever of the pressing head to get the precise displacement of the head for the reading of the digital displayer; the force sensor is equipped on the pressing head; the sealing bar produces the resistance to misshape the force sensor and is reflected by the voltage changing of the electric bridge; the computer converses the voltage value into the compressing charge of the sealing bar through the sensor; the CCD testing system is equipped at one side of the sealing bar to test the space track of the points of the section of the sealing bar. The invention can realize the complicated response test of the sealing bar and ensure the testing precision.

The invention provides a thermal analysis and detection method and device for solidification grain size of a magnesium alloy melt and belongs to the fields of magnesium alloy melt treatment and casting solidification. The thermal analysis and detection method provided by the invention comprises that certain amounts of magnesium and magnesium alloy melt are poured into a sampling cup to be cooled, two thermocouples are adopted for respectively determining temperatures at the center and the edge of the melt in a solidification process in a magnesium alloy melt cooling process, a temperature acquisition device is used for acquiring temperature data, a computer program is used for recording variation of the temperatures at the center and the edge of the melt in the solidification process along with time, then dendritic crystal coherence point solid phase fractional number is determined by virtue of a thermal analysis and detection method, and the dendritic crystal coherence point solid phase fractional number is compared with a standard value to judge a refining or roughening effect on the grain size of a magnesium alloy by modification, grain refining or alloying element addition. According to the thermal analysis and detection method and device provided by the invention, recalescence is not required in a thermal analysis cooling curve of the solidification process, the thermal analysis and detection method and device provided by the invention are especially applicable to the magnesium alloy with lower solidification latent heat release, a modification effect can be represented within a wider solidification speed range, and solidification grain size can be predicted.