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WOS Indexed (2023)
AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (AMA) (issn: 00845841) is a peer reviewed journal first published online after indexing scopus in 1982. AMA is published by Farm Machinery Industrial Research Corp and Shin-Norinsha Co. AMA publishes every subjects of general engineering and agricultural engineering. Azerbaijan Medical Journal Gongcheng Kexue Yu Jishu/Advanced Engineering Science Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery Interventional Pulmonology Zhenkong Kexue yu Jishu Xuebao/Journal of Vacuum Science and Technology Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering) Zhonghua yi shi za zhi (Beijing, China : 1980)
24 Mar 2023 (Vol - 54 , Issue- 03 )
31 Mar 2023 (Vol - 54 , Issue 03 )
Aim and Scope :
AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (ISSN: 00845841) is a peer-reviewed journal. The journal covers Agricultural and Biological Sciences and all sort of engineering topic. the journal's scopes are in the following fields but not limited to:
Agricultural and Biological Sciences
Electrical Engineering and Telecommunication
Electronic Engineering
Computer Science & Engineering
Civil and architectural engineering
Mechanical and Materials Engineering
Transportation Engineering Asia Life Sciences Interventional Pulmonology Gongcheng Kexue Yu Jishu/Advanced Engineering Science Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery
Industrial Engineering Teikyo Medical Journal Connected Health Tagliche Praxis Bulletin of National Institute of Health Sciences Journal of the Austrian Society of Agricultural Economics
Industrial and Commercial Design International Medical Journal Technology Reports of Kansai University Asia Life Sciences Open Access Journals Tobacco Science and Technology
Information Engineering Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) Tobacco Science and Technology Teikyo Medical Journal Connected Health International Medical Journal Technology Reports of Kansai University
Chemical Engineering Open Access Journals Tagliche Praxis Bulletin of National Institute of Health Sciences Journal of the Austrian Society of Agricultural Economics Azerbaijan Medical Journal
Food Engineering Zhenkong Kexue yu Jishu Xuebao/Journal of Vacuum Science and Technology Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering) Zhonghua yi shi za zhi (Beijing, China : 1980) Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science)
Study on The Mechanical and Control Aspect in the Design of a Robotic Harvesting System for Vertical Farm
According to The United Nation (UN), 80% of the world population are predicted to be living in the Urban area by 2050, food security is going to be a real issue especially in the urban area. Therefore, sustainable agricultural solutions like vertical farming, indoor farming and robotic harvester are to be widely studied and explored in order to ensure the survivability of humankind of the next generation are secure. This paper presents some of the critical parameters needed to design a robotic harvester in a vertical farming greenhouse. The vertical farm in this study has 5 levels with 3 rows on each level and adopting the Nutrient Film Technique (NFT) Hydroponic system. The robotic harvester was proposed to have a robotic arm moving on a vertical and horizontal rail. The robotic control system was design to work wirelessly using Radio Frequency (RF) as the transmitter. Five experiments were done in order to determine some of the critical parameters and the parameters were wireless connectivity, wireless coverage, robot aim calibration, robot arm torque limitation and natural arm movement programming approach.
Soil Compaction Effects of Large and Mini Combine Harvesters in a Paddy Cultivation Area in MADA
The most effective mechanization technique for harvesting yield in rice field cultivation is the use of a combine harvester. A variety of combine harvesters are used in the Muda Agricultural Development Authority (MADA) region, with the majority of them being locally modified large combine harvesters (CB). Concerns about soil compaction (SC) persuade the local government to provide a mini combine harvester (CM) as an alternative machinery. However, the extent of soil damage caused by the varying weight and contact pressure of combine harvesters has not been clearly reported. As a result, the goal of this study was to compare the SC effect of two types of combine harvesters used in the MADA region: CB and CM. The test plots were chosen from a total of 2.6 ha in Tunjang, Wilayah II – Jitra, Kedah, and were planted in silty clay soil texture during both wet and dry seasons. Over 10,000 data points on SC were collected using a soil penetrologger. Normalized SC values shows better approach in identification of drastic change of SC at specific soil depth. The SC also shows no significant different on straight vs. cornering both for CB and CM. At a critical soil depth of >30 cm, it was discovered that the compaction caused by the CB was 7 to 10% greater than that caused by the CM. However, there was no noticeable difference in SC effect at the top soil layer (0-30 cm) from different type of combine harvester. Thus, the long-term impact of CB deployment must be considered due to changes in farming techniques and climate variability, such as soil water content during the monsoon season.
Influences of Dressing Parameters on Wheel Wear in Internal Cylindrical Grinding Operation
An important factor in the internal cylindrical grinding process (ICGP) is grinding wheel wear (Gw). One of the important factors affecting the Gw value is the dressing parameters. Thus, this work inspected the impact of dressing parameters on the Gw value in the ICGP using the Taguchi method. The implemented experiments considered the L16(44x22) orthogonal array on an internal cylindrical grinding machine. The selected process parameters are dressing feed rate (S), rough dressing times (nr), fine dressing times (nf), rough dressing depth (ar), fine dressing depth (af), and non-feeding dressing (nnon). Based on the Taguchi method, the impact of these input on the Gw value in the ICGP was calculated. The impact level of nr on Gw value is the biggest (equivalent to its influence level is 55.08%). Then, another important influencing factor for Gw was found to be nnon with 17.78%. The smallest influencing factor on Gw is S. In addition, the optimal dressing parameters has been determined. The optimal dressing mode for the minimize Gw value includes one times the rough dressing with a cutting depth of 0.025 mm/stroke, two times the fine dressing with a cutting depth of 0.015 mm/stroke, two times the non-feeding dressing and a feed rate of 1.2 m/min.
Design of Tobacco Growing Strip Fertilizer Machine and Experimental Research on Its Fertilizer Guide Structure
Aiming at the problem of poor tobacco growth quality caused by uneven fertilization during tobacco planting, this paper designs an optimized tobacco planting ditch fertilizer machine, which can simultaneously complete the ditching and fertilization process before tobacco planting. In order to make the fertilizer guide structure achieve uniform delivery, the speed, outer diameter, and pitch of the fertilizer guide structure are used as the changing factors, and the fertilizer guide uniformity of the fertilizer guide structure is used as the index. EDEM simulation analysis is used to optimize the parameters of the fertilizer guide structure. Through EDEM simulation analysis and field test verification, it is concluded that the outer diameter of the screw (with the inner diameter unchanged) has the greatest influence on the uniformity of the discharge of the fertilizer guide structure. And under the design parameters of this article, when the outer diameter is 80mm, the pitch is 30mm, the screw inner diameter is 30mm, and the sleeve inner diameter is 110mm, the discharge uniformity of the fertilizer guide structure is the best.
Studying the Impacts of Process Parameters on the Cost of Blasting Process Using Boron Carbide Nozzle
The aims of this study are to find out an optimum set of data minimizing cleaning cost for the abrasive blasting system with a boron carbide nozzle. In this study, the nozzle wear rate per hour, the time for changing a nozzle, the compressive power were chosen as the input parameters to optimize for finding the maximum nozzle lifetime as well as the minimum cleaning cost. A screening experiment is developed. The results show that the compressive power has the dominant effect on the cleaning cost, while two remaining process parameters have minor impacts on the response. The cleaning cost maximizes of 4.108 USD/m2 at the nozzle wear rate per hour of 10-3 mm/h, the time for changing a nozzle of 10 min, and the compressive power of 1030 kW.