A special Chinese herbal medicine(SCHM)harvester was designed to address the problems such as the highly labor-intensive process,low harvesting efficiency,and lack of suitable machinery.The designed machine was compri...A special Chinese herbal medicine(SCHM)harvester was designed to address the problems such as the highly labor-intensive process,low harvesting efficiency,and lack of suitable machinery.The designed machine was comprised of three main components,including a reciprocating cutter,a clamping chain,and a counter roller.In addition,a mechanical model of a plant stalk during harvester operation is established to analyze the parameters affecting SCHM harvesting:sprocket rotation speed,counter roller gap,and header inclination angle.Considering the operating mode of the harvester,all three parameters were taken as test factors,and the proportion of lost fruit,the proportion of broken capsules,and the length of the retained stem are the test indicators.According to the test results,the fruit lost was 1.14%,the broken fruit was 1.02%,the stalks with an acceptable length was 82.45%at a sprocket rotation speed of 110 r/min,a roller gap of 9 mm,and a header inclination angle of 5°.The research can provide an effective solution to solve the SCHM harvest problem.Further studies need to do for making this machine more automated and intelligent.展开更多
Objective：To study the differences in a special region（SR） corresponding to five internal organs between the young and the elderly and to verify the effectiveness of a developed system for objectifying research in ...Objective：To study the differences in a special region（SR） corresponding to five internal organs between the young and the elderly and to verify the effectiveness of a developed system for objectifying research in colour inspections of Chinese medicine（CICM）.Methods：An image acquisition device imitating daylight to meet the requirement of CICM was designed.Image processing software based on CICM theory was developed.A total of 83 normal people were sampled and assigned to two groups.The first group（Group I）included 30 people with an average age of 24 ±2,and the second group（Group Ⅱ） included 53 people with an average age of 74 ±4.After image processing,the chromaticity of 10 SRs corresponding to five internal organs was calculated.R,G,and B represent the chromaticity of color red,green,and blue,L indicates color brightness,whereas a and b denote red and yellow respectively.The difference between the young and the elderly was analyzed.Results：（1） The chromaticity of each SR corresponding to five organs was obtained.The average R,G,B,L,a,and b of the sample were 194.4,147.6,119.3,65.2,15.5,and 22.3,respectively.（2） The R,G,B,and L of the young were greater than those of the elderly,but the a and b of the young were less than those of the elderly.（3） A statistically significant difference in each SR was found between the young and the elderly（P0.05）.The total differences for the Lung（Fei）,Heart（Xin）,Liver（Gan）,Spleen（Pi）,and Kidney（Shen） were 50%（3/6）,66.7%（4/6）,66.7%（4/6）,83.3%（5/6）,and 91.7%（33/36）,respectively.However,the Kidney SR had the greatest statistical discrepancy.Conclusion：The old Chinese saying that human Kidney deficiency worsens with age was verified by the results.The objectifying system used to examine CICM was effective.Thus,this system may be used as a basis for further research.展开更多
基金supported by the Key R&D Program of Gansu Province(Grant No.2020YF8GA008)the China Agriculture Research System of MOF and MARA(CARS-21).
文摘A special Chinese herbal medicine(SCHM)harvester was designed to address the problems such as the highly labor-intensive process,low harvesting efficiency,and lack of suitable machinery.The designed machine was comprised of three main components,including a reciprocating cutter,a clamping chain,and a counter roller.In addition,a mechanical model of a plant stalk during harvester operation is established to analyze the parameters affecting SCHM harvesting:sprocket rotation speed,counter roller gap,and header inclination angle.Considering the operating mode of the harvester,all three parameters were taken as test factors,and the proportion of lost fruit,the proportion of broken capsules,and the length of the retained stem are the test indicators.According to the test results,the fruit lost was 1.14%,the broken fruit was 1.02%,the stalks with an acceptable length was 82.45%at a sprocket rotation speed of 110 r/min,a roller gap of 9 mm,and a header inclination angle of 5°.The research can provide an effective solution to solve the SCHM harvest problem.Further studies need to do for making this machine more automated and intelligent.
基金Supported by Nanjing University of Aeronautics and Astronautics Innovation Team FundChinese Medical Association-L'Oreal Chinese Healthy Skin/Hair Research Project(S10)
文摘Objective：To study the differences in a special region（SR） corresponding to five internal organs between the young and the elderly and to verify the effectiveness of a developed system for objectifying research in colour inspections of Chinese medicine（CICM）.Methods：An image acquisition device imitating daylight to meet the requirement of CICM was designed.Image processing software based on CICM theory was developed.A total of 83 normal people were sampled and assigned to two groups.The first group（Group I）included 30 people with an average age of 24 ±2,and the second group（Group Ⅱ） included 53 people with an average age of 74 ±4.After image processing,the chromaticity of 10 SRs corresponding to five internal organs was calculated.R,G,and B represent the chromaticity of color red,green,and blue,L indicates color brightness,whereas a and b denote red and yellow respectively.The difference between the young and the elderly was analyzed.Results：（1） The chromaticity of each SR corresponding to five organs was obtained.The average R,G,B,L,a,and b of the sample were 194.4,147.6,119.3,65.2,15.5,and 22.3,respectively.（2） The R,G,B,and L of the young were greater than those of the elderly,but the a and b of the young were less than those of the elderly.（3） A statistically significant difference in each SR was found between the young and the elderly（P0.05）.The total differences for the Lung（Fei）,Heart（Xin）,Liver（Gan）,Spleen（Pi）,and Kidney（Shen） were 50%（3/6）,66.7%（4/6）,66.7%（4/6）,83.3%（5/6）,and 91.7%（33/36）,respectively.However,the Kidney SR had the greatest statistical discrepancy.Conclusion：The old Chinese saying that human Kidney deficiency worsens with age was verified by the results.The objectifying system used to examine CICM was effective.Thus,this system may be used as a basis for further research.
