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Thoriq, Ahmad
Universitas Padjadjaran
Control & Systems Engineering Engineering Industrial & Manufacturing Engineering

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Ergonomic analysis of modified sweet potato washing machine Sa'adah, Intan Siti; Sugandi, Wahyu Kristian; Thoriq, Ahmad; Yusuf, Asep
Journal of Systems Engineering and Management Vol 2, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/joseam.v2i1.19330

Abstract

Sweet potato is included in the type of palawija plant. Sweet potato (Ipomoea batatas L.) is a source of carbohydrates and sweet potato is widely consumed as a staple food to replace rice. Cilembu Village, Pamulihan District, Sumedang Regency is a center to produce Cilembu sweet potato which has been exported to several countries. Cilembu sweet potato production, especially in the washing process of Cilembu sweet potato, can reach 30 kg/hour. However, the washing process is still done manually in a sitting and bowing position. To increase the cleaning capacity of Cilembu sweet potato, a Cilembu sweet potato washing machine was made. The machine has been modified, but the machine that has been modified needs to be analyzed for its ergonomic feasibility. The purpose of this study was to perform an ergonomics analysis on a modified Cilembu sweet potato washing machine to make it suitable for mass marketing. The method used in this study is a descriptive analysis research method, namely measuring, observing, and calculating the modified sweet potato washing machine and then analyzing the data to obtain machine ergonomics feasibility data. The results showed that the analysis of anthropometric data on machine height was appropriate because the machine height did not exceed the calculated value of the 2.5th percentile, but for machine width there was still a difference between the machine width and the operator's shoulder width because the machine width was smaller than the shoulder width. 50th percentile. The results of the analysis of work postures using the REBA method found 3 postures with a moderate risk level of safety, 2 postures with a high level of security and 1 with a negligible level of safety. On noise and vibration measurements it was found that the machine could only be operated for 3 hours in one day.
Financial feasibility analysis of establishing a red ginger essential oil agro-industry Nurfauziah, Isni; Nurjanah, Sarifah; Thoriq, Ahmad; Ainina, Nurul
Journal of Systems Engineering and Management Vol 2, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/joseam.v2i1.19333

Abstract

Red ginger is a commodity that is capable of producing antioxidants which can also be processed into various kinds of products, one of which is red ginger essential oil. Red ginger oil production business has good prospects, with the reason that not many producers produce red ginger essential oil, the possibility of profit is quite large, and the nature of red ginger which is an antioxidant commodity increases the opportunity for red ginger essential oil to be needed in the community. The purpose of this research is to analyze the financial feasibility of establishing a red ginger essential oil agro-industry. The method used in this research is descriptive quantitative. Data processing carried out in this study uses three working capital scenarios, namely 100% personal capital, conventional bank loans with a ratio of 50:50, and Islamic bank loans, with the NPV feasibility parameter (Net Present Value), IRR (Internal Rate of Return), BCR (Benefit Cost Ratio), and PBP (Payback Period). The results of this study indicate that all scenarios have NPV values of IDR 46.333.705.188, IDR 44.872.421.424, and IDR 46.386.954.684 respectively, IRR values of 14,29%, 13,37%, and 13,77%, BCR were 2,06, 1.92 and 1.98, and PBP values were 8 months, 8 months and 8 months. These values indicate that the establishment of this essential oil agro-industry is feasible, with the best planning falling into a scenario with the entire working capital of the founder. However, if personal capital financing has problems, borrowing through Islamic banks is the methodnet profit sharing can be an alternative.
Co-Authors Ainina, Nurul Nurfauziah, Isni Nurjanah, Sarifah Sa'adah, Intan Siti Sugandi, Wahyu Kristian Yusuf, Asep