87results about How to "Improve quality control ability" patented technology

The invention relates to an online detection and control method of the periphery of a filtering rod and a device. The device is characterized by mainly comprising a parallel light source (1), a linear array CCD (Charge Coupled Device) detector (2), a scanning motor (3), a signal processing module (4) and an executing mechanism (6), wherein the parallel light source (1) and the linear array CCD detector (2) are respectively positioned at the two opposite sides of the filtering rod; the scanning motor (3) drives the parallel light sources (1) and the linear array CCD detector (2) to rotate around the filtering rod; the signal input end of the signal processing module (4) is connected with the signal output end of the linear array CCD detector (2); and the signal output end of the signal processing module (4) is connected with the control end of the parallel light source (1), the control signal input end of a motor driver of the scanning motor and the signal input end of the executing mechanism (6) simultaneously. The invention has the advantages that the accuracy is high (the size of the received image element is 10mum), no influence is caused by various interference factors such asvibration, noise, temperature, dust and barometric fluctuation and the like on a site, and the detection result is accurate, stable and reliable.

The invention discloses a method for fermenting cigar filling leaves. The method is characterized by comprising the following steps: controlling the water content of the cigar filling leaves which are subjected to impurity removal and modulation to be 30+/-2%, and tidying the cigar filling leaves into cigar leaf bundles of which the leaf tips are towards the same direction; stacking the cigar leaf bundles to form a rectangular cigar leaf stack; covering a layer of hessian cloth on the surface of the cigar leaf stack to be used as an air permeable heat-insulating layer; inserting temperature measuring probes into the cigar leaf stack; overturning the stack when the stack filling temperature measured by any temperature measuring probe reaches the alarm upper limit temperature or is in the trend of reducing; after the fermentation is finished, airing the cigar leaves, reducing the moisture of the cigar filling leaves to be 20+/-2%, and packaging for storage. According to the method, the appearance, the absorbed smell and the quality consistency of the cigar filling leaves can be obviously improved, the content of a harmful ingredient NNK in raw materials can be reduced, and the industrial availability of the cigar leaves can be improved.

The invention relates to a multifunctional automatic final pouring system of a continuous casting machine and a process control method, and belongs to the field of continuous casting machine equipment and process control. According to the multifunctional automatic final pouring system, a final pouring manner selecting module connected with an automatic final pouring computing control unit is arranged, and a tundish tonnage modification setting module is additionally arranged between the automatic final pouring computing control unit and a tundish weighing information unit; through configuration of related equipment and adjustment of the process control method, the automatic final pouring system of the continuous casting machine is suitable for three working conditions including tundish replacement, different steel type iron plate insertion and final pouring, manual intervention of operation personnel is reduced, the automatic pouring degree is improved, and the tail blank quality control capacity in the final pouring process is improved; and the continuous casting final pouring process is comprehensively combined with the production process, operation, quality control and accident prevention, the input rate of the automatic final pouring system can be greatly improved, and the casting blank quality and the abnormal prevention and control capacity in various final pouring processes are improved. The multifunctional automatic final pouring system can be widely applied to the field of design, manufacturing and production process control of the continuous casting machine equipment.

The invention relates to a method for cloth defect detection by utilizing S transformation signal extraction and belongs to the field of digital image processing. The method comprises the steps of utilizing a projection method to perform gray energy accumulation, and converting warp knitting cloth images into one-dimensional signals; utilizing an S transformation signal extraction method to retain information of defect signals in an S transformation domain to perform S inversion transformation on the information, and extracting the defect signals; performing threshold segmentation on the extracted defect signals in a spatial domain, and obtaining defects and defect position information. The method for cloth defect detection can replace a manual detection link in the cloth production process, improve cloth quality control capability and reduce labor cost simultaneously; the method is not subject to influences of noise, illumination and texture features simultaneously, and the defect signals are judged more accurately in the spatial domain.

The invention discloses a construction method for a Y-shaped frame large-span steel box basket arch bridge. Firstly, the structural style of pre-stressed concrete spatial structure system, the vertical bridge tilt angle and horizontal bridge tilt angle of the fore-and-rear socle beams and the line-type and form of fracture thereof are confirmed and construction blocks are divided; secondly, a full-framing cast-in-place supporting structural style is determined, a formwork system is determined according to the inclined angle of the fore-and-rear socle beams, a line-type control method is determined according to the form of fracture of the fore-and-rear socle beams and concrete blocks are casted in sequence; finally, the pre-stressed concrete spatial structure system is formed. The method not only accords with the Y-shaped frame construction, but also can control the structural line-shape of the Y-shaped frame, thus having the characteristics of improving quality control ability, guaranteeing construction safety, reducing construction cost and enhancing construction progress. The large-scale pre-stressed concrete spatial structure system (Y-shaped frame) of Chongqing Caiyuanba Changjiang River Bridge constructed by the method is completely in accordance with the specification, and all technical and economic indicators meet the design requirements, thus the method has high efficiency.

The invention relates to a quality detection method for chinarue cough particles. In the formula, the chinarue cough particles include following materials: 156g of pericarpium citri reticulatae, 96g of rhizoma acori graminei, 312g of polygonum cuspidatum, 188g of asparagus cochinchinensis, 375g of chinarue, 96g of radix stemonae, 750g of marsdenia tenacissima, 375g of laggera pterodonta, 96g of semen armeniacae amarae, 375g of houttuynia cordata and 188g of cortex mori radicis, and the materials are prepared into particles. On the basis of the original standard, the thin-layer chromatography identification of the chrinarue is added, and the chinaure is one of main ingredients. After the thin-layer indentification of the chinaure is added on the basis of the original standard, the scientific basis is provided for qualitative control of the chinaure in the preparation, the quality detection standard of the chinaure cough particles is perfected, and the scientific basis is provided for the judgment of true and false and quality control of the product. In the method, the test and the operation of samples are simple and convenient, and by the continuous verification test of negative interference and the like, free interfered negativeness, good repeatability, and strong specificity are verified and tested. The quality test standard is perfected, and the product quality control capability is promoted.

The invention discloses an analyze method used to detect multi brighteners of bright nickel plated liquid, when there are multi organic additives, as brightener, accelerator, restrainer, and smoothen agent, etc. The inventive method is based on the high-efficiency liquid phase spectrum analysis of brightener, with high accuracy and better repeatedly property.

The invention provides a quality control method and system based on drum-type cut tobacco moisture regaining. The quality control method comprises the steps of obtaining a hot air temperature target value and an outlet moisture content target value corresponding to cut tobacco moisture regaining; establishing a temperature feedback control model of the hot air temperature and the steam valve opening degree, and controlling the steam valve opening degree according to the temperature feedback control model and the hot air temperature target value so as to control the hot air temperature in a drum; obtaining an actual measurement value of the outlet moisture content of the cut tobacco moisture regaining process, and obtaining a target deviation value of the outlet moisture content according to the target value and the actual measurement value; and establishing a moisture content PID feedback control model for adjusting the warm water spraying flow according to the target deviation value so as to perform feedback control on the outlet moisture content, so that the outlet moisture content of the cut tobacco moisture regaining process in the batch is controlled according to the target value. The method can improve the consistency of moisture contents of moisture regaining outlets of various batches of cut tobaccos, and improves the quality control capability in the production process.

The invention provides a control method and system for the tobacco shred moisture content of airflow tobacco shred drying, and the method comprises the steps: setting the dry airflow temperature of the airflow tobacco shred drying according to a set value, and setting a target value of the moisture content of an outlet of the airflow tobacco shred drying; obtaining an actual measurement value of the outlet moisture content of the airflow tobacco shred drying process, and obtaining a target deviation value of the outlet moisture content according to the target value and the actual measurement value; and establishing a PID feedback control model for adjusting the air speed of the dry airflow according to the target deviation value so as to carry out feedback control on the outlet moisture content, so that the outlet moisture content of the airflow cut tobaccos in the batch is controlled according to the target value. According to the invention, the uniformity consistency of airflow tobacco shred drying in each batch can be improved, and the quality control capability in the production process is improved.

The invention provides a torque rotating angle multi-dimensional sensing control device and control method for an electric wrench and a wrench. The torque rotating angle multi-dimensional sensing control device comprises a processor module, a brushless direct current motor, a servo control module and a current sensing module; the current sensing module is corrrespondingly connected with the brushless direct current motor and the processor module and is used for acquiring the current of the brushless direct current motor in real time and transmitting the current to the processor module; the processor module is in communication connection with the brushless direct current motor through the servo control module, the processor module is used for realizing the self-adaptive control of the rotation speed, the direction, the rotation angle and torque of the brushless direct-current motor, and realizing the control of fixed torque and/or the perception of the torque and the rotation angle during fixed-angle control, accurate control of the fixed torque and the fixed angle is realized, data processing is carried out by adopting a statistical principle, so that the quality control capabilityof the wrench is greatly improved.

The invention provides a feed liquid control method and system for blade feeding, and the method comprises the steps: setting the hot air temperature and circulating air volume of a blade feeding machine according to a set value, and setting a target value of the outlet moisture content of a blade feeding process; obtaining an actual measurement value of the outlet moisture content of the blade feeding process, and obtaining a target deviation value of the outlet moisture content according to the target value and the actual measurement value; and establishing a PID feedback control model for adjusting the feed liquid steam injection amount according to the target deviation value so as to carry out feedback control on the outlet moisture content, so that the outlet moisture content of the blade feeding process in the batch is controlled according to the target value. The consistency of the charging uniformity of each batch of blades can be improved, and the quality control capability inthe production process is improved.

The invention relates to a producing technology process for high performance IR-CUT filter that includes the following steps: cutting basal piece to mold basal piece and removing the silica oxide in polishing process, taking ultrasonic wave cleaning to the basal piece before coating, and taking R film coating, detecting, cutting, ultrasonic cleaning after coating, and detecting processes. The invention could effectively solve the film design and manufacturing technology consistency. It could decrease the coating layers.

The invention discloses an on-line detecting system and method for spot welding. The system comprises a welding machine, area array probes, a supersonic module, a main engine and a server. The welding machine is provided with welding heads, and the area array probes are arranged in the welding machine in an integrated mode. The supersonic module is connected with the area array probes, the main engine is connected with the supersonic module, and the server is connected with the main engine; the welding heads output a voltage or an electric current to a work piece for spot welding and welding spots are formed, the area array probes are excited by the supersonic module to output detection ultrasonic waves to a spot welding position on the work piece, and the supersonic module further receives rebound ultrasonic waves rebounded from the spot welding position. The on-line detecting system and method for spot welding have the advantages that real-time monitoring to a spot welding process of a welding position is achieved, and the accuracy of detecting the spot welding process of the welding position is improved, so that the real-time monitoring and process management on a welding work of the welding machine are achieved, the ability of quality control over the spot welding process is improved and the detection efficiency and the welding quality of the welding spots are improved.

The invention discloses a quality detection method of a capsule for reducing blood fat and activating collaterals. The capsule for reducing blood fat and activating collaterals is prepared from 100g of cassia seed, 1500g of curcuma, 2000g of rhizoma alismatis, 500g of notoginseng and 2000g of bermudagrass herb. The quality detection method of the capsule for reducing blood fat and activating collaterals additionally provides thin-layer chromatography identification of the rhizoma alismatis on the basis of the primary standard, and the rhizoma alismatis is one of main components of the capsule. After the thin-layer chromatography identification of the rhizoma alismatis is additionally provided on the basis of the primary standard, the purpose of qualitatively controlling the rhizoma alismatis in the preparation is achieved, the quality detection standard of the capsule for reducing blood fat and activating collaterals is perfected, and simultaneously, a scientific basis for judging the truth of products and controlling the quality of products is provided. In the method, a sample test is simple and convenient to operate; and proven by negative interference and other continuous verification tests, the method has the advantages of negative non-interference, good reproducibility and strong specificity. The invention perfects the quality detection standard and improves the control capability of the product quality.

The invention provides a quality control method and system based on airflow type cut stem drying. The method comprises the steps: acquiring a hot air temperature target value and an outlet moisture content target value in a cut stem drying procedure; establishing a temperature feedback control model of a hot air temperature and a steam valve opening degree, and controlling the steam valve openingdegree according to the temperature feedback control model and the hot air temperature target value so as to control the hot air temperature in a drying machine; acquiring an actual measurement valueof the outlet moisture content of the cut stem drying process, and obtaining a target deviation value of the outlet moisture content according to the target value and the actual measurement value; andestablishing a moisture content PID feedback control model for adjusting the air speed of the hot air according to the target deviation value so as to perform feedback control on the outlet moisturecontent so as to control the outlet moisture content of the outlet material in the cut stem drying process in the batch according to the target value. The batch consistency of the cut stem drying outlet moisture content can be improved, and the quality control capacity in the production process is improved.

The invention relates to a method for determining nickel, chromium, silicon, manganese and phosphor in nickel-containing pig iron. The method is characterized in that five iron samples are taken in each batch of material, one spot is drilled on each iron sample, the drilled iron scraps are ground and pass through a 60-80-mesh target standard sieve; 10 ml of distilled water, 5 ml of concentrated nitric acid (65%) and 5 ml of concentrated hydrochloric acid (37%) are added in order in a 100 ml volumetric flask filled with 0.5000 g of the iron scrap sample for solving the sample, insoluble carbide is filtered and volume is metered to 100 ml; 0.4000 g of a pure iron matrix is added in a standard series solution; an inductively coupled plasma atomic emission spectrometry is used for determining the content of the elements of Ni, Cr, Si, Mn and P in the nickel-containing pig iron for analysis, an optimal analytical line for each element can be selected; spectrum interference of each coexisted element to the analytical line is inspected, and correction of an interference line in the analytical line can be carried out. The method is capable of shortening analysis period, mitigating labor intensity, increasing control capability and detection capability of the analysis result, reducing an application amount of a chemical reagent, reducing the waste liquid discharge, and reducing the analysis cost.

The invention provides a cut stem feeding quality control method and system, and the method comprises the steps: setting a feed liquid proportion according to a set value, and obtaining a hot air temperature target value and an outlet moisture content target value corresponding to cut stems; establishing a temperature feedback control model of the hot air temperature and the steam valve opening degree, and controlling the steam valve opening degree according to the temperature feedback control model and the hot air temperature target value so as to control the hot air temperature in the charging machine; obtaining an actual measurement value of the outlet moisture content of the cut stem feeding process, and obtaining a target deviation value of the outlet moisture content according to thetarget value and the actual measurement value; and establishing a moisture content PID feedback control model for adjusting the feed liquid injection amount according to the target deviation value soas to perform feedback control on the outlet moisture content, so that the outlet moisture content of the cut stem feeding process of each batch is controlled according to the target value. The accuracy of the feed liquid proportion of cut stem feeding and the stability of the outlet moisture content can be improved, and the quality control capacity in the production process is improved.

The invention discloses an artificial board surface defect detection method based on singular value decomposition. The method comprises the following steps: firstly, conducting inter-row difference elimination processing on an original gray image of an artificial board; segmenting the grayscale image with the inter-row difference eliminated into n * n image blocks, carrying out singular value decomposition on each image block, taking a first singular value of the diagonal matrix as a feature value of the selected image block, storing the feature value into a feature matrix F, and carrying out statistics on a variance S and a mean value G of the feature matrix F to obtain a segmentation threshold T of the feature matrix F, T = S + lambda G; establishing a potential defect matrix, comparing each element value in the feature matrix F with a segmentation threshold T, if the element value is greater than the segmentation threshold T, setting the element value at the position corresponding to the potential defect matrix as 1, otherwise, setting the element value as 0; carrying out isolated point correction on the potential defect matrix; and if the number of the corrected element values in the defect matrix is 0, judging that the artificial board is qualified, otherwise, judging that the artificial board is unqualified.

The present invention relates to a method for determining sodium chloride in industrial calcium chloride. According to the method, the sodium chloride content in industrial calcium chloride is determined by using an inductively coupled plasma atom emission spectrometer; and the method comprises: 1, drying a crucible, 2, preparing a sample solution, 3, preparing a blank solution, 4, preparing a series of standard sample solutions, 5, drawing a standard working curve, 6, determining the sodium contents in the sample solution and the blank solution, and 7, calculating the sodium chloride content in industrial calcium chloride through the following formula. According to the present invention, with the method, the analysis cycle is shortened, the labor intensity is reduced, the quality process control on the analysis result is improved, the laboratory analysis means is developed, the detection capability is improved, the consumption of chemical reagents is reduced, the waste liquid emission is reduced, the analysis cost is reduced, and other advantages are provided.

The invention discloses a detection method of a lipid-lowering and blood-circulation-promoting capsule. The lipid-lowering and blood-circulation-promoting capsule is a capsule preparation prepared from a prescription consisting of 100g of sicklesenna seed, 1,500g of curcuma, 2,000g of oriental water plantain, 500g of radix pseudoginseng and 2,000g of root of cream clematis. According to the detection method of the lipid-lowering and blood-circulation-promoting capsule, disclosed by the invention, a new improvement is carried out on a content determination standard such that science evidence is provided for authenticity judgment and quality control of products when the determination standard of the lipid-lowering and blood-circulation-promoting capsule is improved; furthermore, a sample test through the detection method is simple and convenient to operate based on repeated tests for many times; and based on continuous verification tests such as feminine interference and the like, no feminine interference exists, the reproducibility is excellent, and the exclusivity is strong; and the control capability on quality of the products is improved while the quality detection standard is improved.

The invention discloses a cloth defect detection method using a hierarchical gradient direction histogram and a support vector machine, relates to two aspects of feature extraction and learning classification, and belongs to the field of digital image processing application. The method mainly comprises the steps of image blocking, hierarchical gradient direction histogram feature extraction, support vector machine model training, detection classification and the like. The method comprises the following steps: firstly, partitioning a cloth image, then extracting the hierarchical gradient direction histogram characteristics of each block, then inputting the hierarchical gradient direction histogram characteristics into a trained support vector machine classifier, and judging whether each image block contains defects or not according to the output result of the classifier so as to determine whether the whole cloth image contains defects or not. Results show that the detection method has agood classification effect and certain robustness, and can be applied to actual generation.