2020 Vol. 35, No. 5
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2020, 35(5)
:1-6.
doi: 10.12187/2020.05.001
Abstract:
Microwave digestion and soaking were used to extract the samples of traditional Chinese herbal medicine (Huai chrysanthemum,wolfberry,Siraitia grosvenorii and American ginseng).The contents of Ca,Fe,Zn,Cu and Mn in the four traditional Chinese herbal medicines and their extracts were determined by flame atomic absorption spectrometry.The recovery experiments of Ca,Fe and Zn were carried out to verify the accuracy of the determination method.The results showed that the contents of five microelements in four kinds of traditional Chinese herbal medicine samples were different.The contents were as follows:Ca > Fe > Zn > Mn > Cu in chrysanthemum; Ca > Fe > Zn > Cu > Mn in wolfberry,Siraitia grosvenorii and American ginseng; the contents of five micro elements in Huai chrysanthemum were higher than those in the other three kinds of traditional Chinese herbal medicine,and the content of Ca element was as high as 3.097 5 mg/g.And there was no direct relationship between the leaching rate of microelements and the mass concentration of microelements in the four traditional Chinese herbal medicines sample.The recoveries of Ca,Fe and Zn were between 81% and 97%,showing that the accuracy of the determination method was high.
Microwave digestion and soaking were used to extract the samples of traditional Chinese herbal medicine (Huai chrysanthemum,wolfberry,Siraitia grosvenorii and American ginseng).The contents of Ca,Fe,Zn,Cu and Mn in the four traditional Chinese herbal medicines and their extracts were determined by flame atomic absorption spectrometry.The recovery experiments of Ca,Fe and Zn were carried out to verify the accuracy of the determination method.The results showed that the contents of five microelements in four kinds of traditional Chinese herbal medicine samples were different.The contents were as follows:Ca > Fe > Zn > Mn > Cu in chrysanthemum; Ca > Fe > Zn > Cu > Mn in wolfberry,Siraitia grosvenorii and American ginseng; the contents of five micro elements in Huai chrysanthemum were higher than those in the other three kinds of traditional Chinese herbal medicine,and the content of Ca element was as high as 3.097 5 mg/g.And there was no direct relationship between the leaching rate of microelements and the mass concentration of microelements in the four traditional Chinese herbal medicines sample.The recoveries of Ca,Fe and Zn were between 81% and 97%,showing that the accuracy of the determination method was high.
2020, 35(5)
:7-15.
doi: 10.12187/2020.05.002
Abstract:
Zingiber officinale Roscoe was used as materials to extracting the essential oil by simultaneous-distillation and solvent extraction.Single factor test and orthogonal test were carried out to obtain optimal conditions.The composition of essential oils was analyzed by GC-MS,and antibacterial activity and antioxidant activity of the essential oil were further studied.Results showed that the optimal process conditions of Zingiber officinale Roscoe essential oil were 1:24 solid-liquid ration,2.5 h extraction time and 1.5 h soaking time,and the yield of essential oil was 2.70%.A total of 58 chemical components were detected in the essential oil of Zingiber officinale Roscoe,and there were 20 kinds of volatile chemical components with a relative percentage of more than 0.50%.Among them,the content of Zingiberene was the highest,which was 27.14%,followed by β-sesquiphellandrene,α-faresene and β-phellandrene.Meanwhile,essential oil had significant scavenging effect on ABTS radicals and DPPH radicals,the IC 50 were 0.450 5 mg/mL and 0.703 7mg/mL,respectively.Compared with the commercial ginger essential oil,the Zingiber officinale Roscoe essential oil had stronger antibacterial effect,which had more advantages in inhibiting Escherichia coli(Gram-negative bacteria).
Zingiber officinale Roscoe was used as materials to extracting the essential oil by simultaneous-distillation and solvent extraction.Single factor test and orthogonal test were carried out to obtain optimal conditions.The composition of essential oils was analyzed by GC-MS,and antibacterial activity and antioxidant activity of the essential oil were further studied.Results showed that the optimal process conditions of Zingiber officinale Roscoe essential oil were 1:24 solid-liquid ration,2.5 h extraction time and 1.5 h soaking time,and the yield of essential oil was 2.70%.A total of 58 chemical components were detected in the essential oil of Zingiber officinale Roscoe,and there were 20 kinds of volatile chemical components with a relative percentage of more than 0.50%.Among them,the content of Zingiberene was the highest,which was 27.14%,followed by β-sesquiphellandrene,α-faresene and β-phellandrene.Meanwhile,essential oil had significant scavenging effect on ABTS radicals and DPPH radicals,the IC 50 were 0.450 5 mg/mL and 0.703 7mg/mL,respectively.Compared with the commercial ginger essential oil,the Zingiber officinale Roscoe essential oil had stronger antibacterial effect,which had more advantages in inhibiting Escherichia coli(Gram-negative bacteria).
2020, 35(5)
:16-25.
doi: 10.12187/2020.05.003
Abstract:
The aim of this study was to evaluate the quality characteristics of GongCheng persimmon treated by three different methods (warm water deastringency, ethanol deastringency and ion solution deastringency) and to explore the effect of 1-MCP on the fresh preservation of persimmon. The results showed that the external color and internal quality of persimmon decreased in different degrees after all the treatments. Among them, in the warm water treatment group, the maturity was accelerated, pulp softening was the most obvious, and storage quality was decreased, but in the short-term storage, soluble tannin content decreased rapidly, showing a significant advantage of astringency, and soluble sugar (SS) content increased, which could increase the food quality of persimmon. In ethanol treatment group, skin Browning, soft rot and other problems occurred, which was not conducive to storage of persimmon after deastringency. In the ion solution treatment group, hardness of persimmon was maintained better, Browning degree was lighter, astringency removal efficiency was higher, the loss of DPPH was the least, and the quality of persimmon could be maintained at a higher level. The treatment group combined with 1-MCP could delay the loss of ascorbic acid (AA), inhibit the rapid change of SS content, reduce the loss of antioxidant capacity, effectively delay the maturation and aging process of persimmon, and maintain the internal quality of persimmon. The response values of electronic nose response radar in different treatment groups were significantly differentiated, the cumulative variance contribution rate of PCA reached 91.8%, and different treatment groups had a significant impact on the volatile components.
The aim of this study was to evaluate the quality characteristics of GongCheng persimmon treated by three different methods (warm water deastringency, ethanol deastringency and ion solution deastringency) and to explore the effect of 1-MCP on the fresh preservation of persimmon. The results showed that the external color and internal quality of persimmon decreased in different degrees after all the treatments. Among them, in the warm water treatment group, the maturity was accelerated, pulp softening was the most obvious, and storage quality was decreased, but in the short-term storage, soluble tannin content decreased rapidly, showing a significant advantage of astringency, and soluble sugar (SS) content increased, which could increase the food quality of persimmon. In ethanol treatment group, skin Browning, soft rot and other problems occurred, which was not conducive to storage of persimmon after deastringency. In the ion solution treatment group, hardness of persimmon was maintained better, Browning degree was lighter, astringency removal efficiency was higher, the loss of DPPH was the least, and the quality of persimmon could be maintained at a higher level. The treatment group combined with 1-MCP could delay the loss of ascorbic acid (AA), inhibit the rapid change of SS content, reduce the loss of antioxidant capacity, effectively delay the maturation and aging process of persimmon, and maintain the internal quality of persimmon. The response values of electronic nose response radar in different treatment groups were significantly differentiated, the cumulative variance contribution rate of PCA reached 91.8%, and different treatment groups had a significant impact on the volatile components.
2020, 35(5)
:26-32.
doi: 10.12187/2020.05.004
Abstract:
In order to determine an appropriate size of paper-making reconstituted tobacco,three kinds of tobacco sheets with different sizes were made.Its moisture retention performance and hygroscopicity were analyzed and its cutting performance was evaluated.The processing performance of the pipe tobacco on the silk processing line was studied, and then the pipe tobacco was applied to the cigarette products for comparative analysis of sensory quality. The results showed that there was no significant difference in moisture retention performance and hygroscopicity among three kinds of tobacco sheets, but the water absorption and water loss rate of small-sized tobacco sheets were slightly faster. The whole cutting rate of small-sized tobacco sheets decreased slightly, and the shredding rate increased slightly, but the difference between medium-sized and small-sized tobacco sheets was not obvious. The blending uniformity of finished pipe tobacco blended with small-sized tobacco sheets was better, the filament winding and caking were reduced, the crushing in the processing process was reduced, and the physical index of the cigarette in the rolling process was stable, which could reduce the consumption of pipe tobacco to a certain extent. The cigarette samples blended with small-sized tobacco sheets had lower smoke irritation and improved aroma texture.
In order to determine an appropriate size of paper-making reconstituted tobacco,three kinds of tobacco sheets with different sizes were made.Its moisture retention performance and hygroscopicity were analyzed and its cutting performance was evaluated.The processing performance of the pipe tobacco on the silk processing line was studied, and then the pipe tobacco was applied to the cigarette products for comparative analysis of sensory quality. The results showed that there was no significant difference in moisture retention performance and hygroscopicity among three kinds of tobacco sheets, but the water absorption and water loss rate of small-sized tobacco sheets were slightly faster. The whole cutting rate of small-sized tobacco sheets decreased slightly, and the shredding rate increased slightly, but the difference between medium-sized and small-sized tobacco sheets was not obvious. The blending uniformity of finished pipe tobacco blended with small-sized tobacco sheets was better, the filament winding and caking were reduced, the crushing in the processing process was reduced, and the physical index of the cigarette in the rolling process was stable, which could reduce the consumption of pipe tobacco to a certain extent. The cigarette samples blended with small-sized tobacco sheets had lower smoke irritation and improved aroma texture.
2020, 35(5)
:33-40.
doi: 10.12187/2020.05.005
Abstract:
After a certain brand of cigarettes was equilibrated in different environmental humidity (40%, 50%, 60%, 70%, 80%) for 48 hours, the cigarette ash measuring tester was used to test the ash consolidation, ash dropping times and combustion performance. The sensory evaluation of cigarettes and the types and total amount of aroma components in the smoke were analyzed. The results showed that:with the increase of environmental humidity, the ash consolidation of cigarettes became worse, the number and frequency of ash dropping increased, and the burning time increased.The sensory evaluation score first increased and then decreased.When the environmental humidity was 60%, the sensory evaluation results were the best; the types and total amount of aroma components in the smoke also increased first and then decreased. When the environmental humidity was 60%, the types and total amounts of aroma components were the most, which was consistent with the sensory evaluation results. In summary, the best environmental humidity was 60%, and the appearance and internal quality of cigarettes were greatly improved at this humidity.
After a certain brand of cigarettes was equilibrated in different environmental humidity (40%, 50%, 60%, 70%, 80%) for 48 hours, the cigarette ash measuring tester was used to test the ash consolidation, ash dropping times and combustion performance. The sensory evaluation of cigarettes and the types and total amount of aroma components in the smoke were analyzed. The results showed that:with the increase of environmental humidity, the ash consolidation of cigarettes became worse, the number and frequency of ash dropping increased, and the burning time increased.The sensory evaluation score first increased and then decreased.When the environmental humidity was 60%, the sensory evaluation results were the best; the types and total amount of aroma components in the smoke also increased first and then decreased. When the environmental humidity was 60%, the types and total amounts of aroma components were the most, which was consistent with the sensory evaluation results. In summary, the best environmental humidity was 60%, and the appearance and internal quality of cigarettes were greatly improved at this humidity.
2020, 35(5)
:41-47.
doi: 10.12187/2020.05.006
Abstract:
In order to effectively solve the problem of tobacco blocking on the conveyor belt in the process of cigarette production,realize the online detection of cut tobacco material belt transportation,a vision detection system of tobacco blockage in conveyor belt based on shadow detection was developed.Firstly,the CCD industrial camera of the system collected the image of tobacco leaf on the conveyor belt.Then binarized the H-channel image through two HSV color space transformations,and carried out morphological operation and shadow area filtering to remove noise.Finally,the area of the area of the shadow image without noise was normalized and the blocking was judged according to the experience threshold.The results showed that the system was simple and reliable,could complete blockage detection online,the false detection rate was less than 10%,and the missed detection rate was less than 3%.The method greatly reduced the downtime of abnormal tobacco conveying state and improved the automation level and the generation efficiency of tobacco factory.
In order to effectively solve the problem of tobacco blocking on the conveyor belt in the process of cigarette production,realize the online detection of cut tobacco material belt transportation,a vision detection system of tobacco blockage in conveyor belt based on shadow detection was developed.Firstly,the CCD industrial camera of the system collected the image of tobacco leaf on the conveyor belt.Then binarized the H-channel image through two HSV color space transformations,and carried out morphological operation and shadow area filtering to remove noise.Finally,the area of the area of the shadow image without noise was normalized and the blocking was judged according to the experience threshold.The results showed that the system was simple and reliable,could complete blockage detection online,the false detection rate was less than 10%,and the missed detection rate was less than 3%.The method greatly reduced the downtime of abnormal tobacco conveying state and improved the automation level and the generation efficiency of tobacco factory.
2020, 35(5)
:48-54.
doi: 10.12187/2020.05.007
Abstract:
The reinforced aluminum matrix composites was prepared by using the composite strengthening method combining various methods such as nanoparticle strengthening and hot pressing strengthening, with Al-Si alloy as the matrix, nano-scale CuO particles as the in-situ reactant, and micron SiC particles plus multi-scale hybrid particles, the structure and morphology of the composites were characterized, and the effect of the in-situ reactant CuO mass fraction on its hardness and wear resistance was studied. The results showed that the structure of the obtained composites was eutectic structure (α + Si) + SiC particles + AlCu3 particles, and with the increase of the mass fraction of CuO, the α grains and point Si of the eutectic structure became finer. When the CuO mass fraction was 3.0%, that was, the sample formula was 3.0% CuO+15.0% SiC+82.0% Al-Si, the composites had the largest hardness of 88.8 HB, which was 71.4% higher than the matrix hardness (51.8 HB). At the same time, the composites had the lowest wear amount of 0.003 0 g, and the best wear resistance, the relative wear resistance was 2.93%, which was 2.93 times that of the matrix.
The reinforced aluminum matrix composites was prepared by using the composite strengthening method combining various methods such as nanoparticle strengthening and hot pressing strengthening, with Al-Si alloy as the matrix, nano-scale CuO particles as the in-situ reactant, and micron SiC particles plus multi-scale hybrid particles, the structure and morphology of the composites were characterized, and the effect of the in-situ reactant CuO mass fraction on its hardness and wear resistance was studied. The results showed that the structure of the obtained composites was eutectic structure (α + Si) + SiC particles + AlCu3 particles, and with the increase of the mass fraction of CuO, the α grains and point Si of the eutectic structure became finer. When the CuO mass fraction was 3.0%, that was, the sample formula was 3.0% CuO+15.0% SiC+82.0% Al-Si, the composites had the largest hardness of 88.8 HB, which was 71.4% higher than the matrix hardness (51.8 HB). At the same time, the composites had the lowest wear amount of 0.003 0 g, and the best wear resistance, the relative wear resistance was 2.93%, which was 2.93 times that of the matrix.
2020, 35(5)
:55-60.
doi: 10.12187/2020.05.008
Abstract:
Taking WC-10%Co hardmetals as the research object, by adding cubic carbonitrides Ti(C,N) and (W,Ti)C, the hardmetals was heat treated by two-step sintering method, and the effects of sintering temperature on the gradient formation and grain growth were studied. The results showed that after the ultrafine WC powder was vacuum pre-sintered, the surface layer and core of the alloy were evenly distributed with hard phase WC, binder phase Co and cubic phase, and a small amount of abnormally grown WC grains appeared. After 1460℃ gradient sintering heat treatment, there was no cubic phase on the surface of the alloy, the thickness of the gradient layer could reach 55 μm and the average size of WC grains was about 1.23 μm, especially the number and size of abnormally grown WC grains were significantly increased.
Taking WC-10%Co hardmetals as the research object, by adding cubic carbonitrides Ti(C,N) and (W,Ti)C, the hardmetals was heat treated by two-step sintering method, and the effects of sintering temperature on the gradient formation and grain growth were studied. The results showed that after the ultrafine WC powder was vacuum pre-sintered, the surface layer and core of the alloy were evenly distributed with hard phase WC, binder phase Co and cubic phase, and a small amount of abnormally grown WC grains appeared. After 1460℃ gradient sintering heat treatment, there was no cubic phase on the surface of the alloy, the thickness of the gradient layer could reach 55 μm and the average size of WC grains was about 1.23 μm, especially the number and size of abnormally grown WC grains were significantly increased.
2020, 35(5)
:61-70.
doi: 10.12187/2020.05.009
Abstract:
The research status from magnetic substrate design, insulation coating treatment and new preparation technology were reviewed.It pointed out that the density and resistivity of soft magnetic composites could be effectively improved by using magnetic powders with different characteristics to complement the performance or controlling the morphology of the substrate during the design of the magnetic substrate. The insulation coating treatment could be used to increase the resistivity of the soft magnetic composite to reduce eddy current loss, but the addition of non-magnetic phase insulation materials would lead to a decrease in the magnetic permeability and saturation magnetization of the material. The optimized new preparation technology could effectively improve the performance of soft magnetic composite materials, such as plasma sintering, microwave sintering and laser sintering. The current comprehensive performance of soft magnetic composite materials could not meet the development needs of high frequency and miniaturization of electronic components.The future research directions would be further optimization of substrate component design and particle size coordination, development of new coating materials, innovative preparation processes, optimization of process parameters, and perfection of theoretical models.
The research status from magnetic substrate design, insulation coating treatment and new preparation technology were reviewed.It pointed out that the density and resistivity of soft magnetic composites could be effectively improved by using magnetic powders with different characteristics to complement the performance or controlling the morphology of the substrate during the design of the magnetic substrate. The insulation coating treatment could be used to increase the resistivity of the soft magnetic composite to reduce eddy current loss, but the addition of non-magnetic phase insulation materials would lead to a decrease in the magnetic permeability and saturation magnetization of the material. The optimized new preparation technology could effectively improve the performance of soft magnetic composite materials, such as plasma sintering, microwave sintering and laser sintering. The current comprehensive performance of soft magnetic composite materials could not meet the development needs of high frequency and miniaturization of electronic components.The future research directions would be further optimization of substrate component design and particle size coordination, development of new coating materials, innovative preparation processes, optimization of process parameters, and perfection of theoretical models.
2020, 35(5)
:71-79.
doi: 10.12187/2020.05.010
Abstract:
To address the shortcomings that existed in the establishment of SFC service function path, such as inflexible dataflow classification and high cost of flow steering, an address semantics-driven service function chaining architecture scheme was proposed.The scheme creatively encoded multiple semantic attributes of users into the IP source address,andused a software-defined network (SDN) architecture to form and issue policies based on user needs on a customized central control server, thereby instructing the flow classifier to flexibly classify data flows based on the semantic attributes of addresses.At the same time,SDN forwarding equipment established the data flow diversion mechanism based on IPv6 source routing technology.A dynamic optimization model of network resources under multiple constraints was constructedto achieve dynamic optimization of network resources carried by the service function chain.Experiment results showed that the scheme could build a dynamic, flexible, multi-granularity, load-balancing service function chain.Compared with the same type of scheme, the service function chain constructed by the schemewas more efficient and had less delay, and could be the best candidate for large ISP/ICP to provide diversified and intelligent network services.
To address the shortcomings that existed in the establishment of SFC service function path, such as inflexible dataflow classification and high cost of flow steering, an address semantics-driven service function chaining architecture scheme was proposed.The scheme creatively encoded multiple semantic attributes of users into the IP source address,andused a software-defined network (SDN) architecture to form and issue policies based on user needs on a customized central control server, thereby instructing the flow classifier to flexibly classify data flows based on the semantic attributes of addresses.At the same time,SDN forwarding equipment established the data flow diversion mechanism based on IPv6 source routing technology.A dynamic optimization model of network resources under multiple constraints was constructedto achieve dynamic optimization of network resources carried by the service function chain.Experiment results showed that the scheme could build a dynamic, flexible, multi-granularity, load-balancing service function chain.Compared with the same type of scheme, the service function chain constructed by the schemewas more efficient and had less delay, and could be the best candidate for large ISP/ICP to provide diversified and intelligent network services.
2020, 35(5)
:80-86.
doi: 10.12187/2020.05.011
Abstract:
Aiming at the problem of inaccurate sentiment classification for online comment texts of Internet users, an online reviews sentiment classification model was proposed based on BERT and BiGRU.The model used the Word2Vec framework to represent the word vector of the text content, then extracted the deep dynamic representation of the word vector by the BERT pre-training model,and finally input it into the BiGRU network for sentiment classification.The experimental results demonstrated that compared with the dual-path LSTM combined with Attention mechanism model (W2V-BiLSTM-Attention), traditional convolutional neural network model (W2V-CNN) and traditional recurrent neural network model (W2V-RNN), the MicroF1 value of this model was the highest (0.91) with the best classification results.
Aiming at the problem of inaccurate sentiment classification for online comment texts of Internet users, an online reviews sentiment classification model was proposed based on BERT and BiGRU.The model used the Word2Vec framework to represent the word vector of the text content, then extracted the deep dynamic representation of the word vector by the BERT pre-training model,and finally input it into the BiGRU network for sentiment classification.The experimental results demonstrated that compared with the dual-path LSTM combined with Attention mechanism model (W2V-BiLSTM-Attention), traditional convolutional neural network model (W2V-CNN) and traditional recurrent neural network model (W2V-RNN), the MicroF1 value of this model was the highest (0.91) with the best classification results.
2020, 35(5)
:87-95.
doi: 10.12187/2020.05.012
Abstract:
In order to reduce the safety problems such as out of control and collision caused by vehicle faults during the driving of autonomous vehicle, a fault diagnosis system for autonomous vehicle was developed. The system used the firefly algorithm to predict vehicle faults, and diagnosed the faults all the time.It divided the faults into five levels according to the severity of the impact of faults on the safe driving of autonomous vehicle.Different control commands were issued according to the safety protection level and the responsibility sensitive safety (RSS) to ensure the safe operation of the vehicle. The results showed that the system could effectively deal with some safety problems such as out of control and collision caused by the vehicle faults and could ensure the safe operation of autonomous vehicle.
In order to reduce the safety problems such as out of control and collision caused by vehicle faults during the driving of autonomous vehicle, a fault diagnosis system for autonomous vehicle was developed. The system used the firefly algorithm to predict vehicle faults, and diagnosed the faults all the time.It divided the faults into five levels according to the severity of the impact of faults on the safe driving of autonomous vehicle.Different control commands were issued according to the safety protection level and the responsibility sensitive safety (RSS) to ensure the safe operation of the vehicle. The results showed that the system could effectively deal with some safety problems such as out of control and collision caused by the vehicle faults and could ensure the safe operation of autonomous vehicle.
2020, 35(5)
:96-102.
doi: 10.12187/2020.05.013
Abstract:
Aiming at the problem that the current EDR standard and equipment cannot meet the requirement of multiple items and large amount of data for autopilot vehicle data recording,the autopilot vehicle data recording and uploading system was designed.Through the development of special ADR equipment and the transformation of many existing equipment modules of the vehicle, the system had completed the design of the vehicle network connection terminal, video recording equipment and cloud data management platform of the ADR equipment. It could collect and record the data from monitoring video, perception, decision-making and control information of the autopilot vehicle, and realized the Ethernet communication between the devices in each domain through the two-wire Ethernet gateway.The practical application results showed that the system could collect and record more and more comprehensive autopilot vehicle event data,and could easily and quickly extract data,which not only provided effective data support for accident liability determination, but also provided the necessary data source for the verification and evaluation of autonomous vehicles so as to promotes the rapid iterative upgrade of autopilot system.
Aiming at the problem that the current EDR standard and equipment cannot meet the requirement of multiple items and large amount of data for autopilot vehicle data recording,the autopilot vehicle data recording and uploading system was designed.Through the development of special ADR equipment and the transformation of many existing equipment modules of the vehicle, the system had completed the design of the vehicle network connection terminal, video recording equipment and cloud data management platform of the ADR equipment. It could collect and record the data from monitoring video, perception, decision-making and control information of the autopilot vehicle, and realized the Ethernet communication between the devices in each domain through the two-wire Ethernet gateway.The practical application results showed that the system could collect and record more and more comprehensive autopilot vehicle event data,and could easily and quickly extract data,which not only provided effective data support for accident liability determination, but also provided the necessary data source for the verification and evaluation of autonomous vehicles so as to promotes the rapid iterative upgrade of autopilot system.
2020, 35(5)
:103-108.
doi: 10.12187/2020.05.014
Abstract:
In order to improve the comprehensive analysis and application capabilities of tobacco silk processing, production quality and other data, a set of electric energy data collection and analysis system for high data throughput in the silk workshop was designed. The system realized the aggregation and interaction of heterogeneous data based on the protocol gateway and Cassandra data warehouse. It implemented task creation, management and abnormal analysis through adopting Spring Batch processing technology and a stream and aspect-oriented task management. The task real-time scheduling was implemented with Quarzt and the peak elimination of the collection was achieved with RabbitMQ message middleware. The message could be efficiently shown to users by MQTT protocol and Vue front-end technology. Finally, the system could realize the whole process function from data scheduling, storage, analysis to presentation.The test results showed that the system had small access delay, strong carrying capacity and stability, and could meet the power data analysis needs of tobacco companies' silk workshops.
In order to improve the comprehensive analysis and application capabilities of tobacco silk processing, production quality and other data, a set of electric energy data collection and analysis system for high data throughput in the silk workshop was designed. The system realized the aggregation and interaction of heterogeneous data based on the protocol gateway and Cassandra data warehouse. It implemented task creation, management and abnormal analysis through adopting Spring Batch processing technology and a stream and aspect-oriented task management. The task real-time scheduling was implemented with Quarzt and the peak elimination of the collection was achieved with RabbitMQ message middleware. The message could be efficiently shown to users by MQTT protocol and Vue front-end technology. Finally, the system could realize the whole process function from data scheduling, storage, analysis to presentation.The test results showed that the system had small access delay, strong carrying capacity and stability, and could meet the power data analysis needs of tobacco companies' silk workshops.
Journal Information
Founded in 1986， bimonthly
Administered by：The Education Department Henan Province
Sponsored by：Zhengzhou University of Light Industry
Editor-in-chief：Wei Shizhong
Executive Editor-in-Chief：Zou Lin
Subeditor：Qu Shuanghong
Edited & published by：Editorial Department of Journal of Light Industry
CN 41-1437/TS
ISSN 2096-1553
Address：136 Science Avenue, Zhengzhou City, Henan Province, China
Postal Code：450001
Tel：(086)0371-86608635
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