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All Journal Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) Teknotan: Jurnal Industri Teknologi Pertanian Rekayasa Mesin Jurnal Keteknikan Pertanian Tropis dan Biosistem Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Industria: Jurnal Teknologi dan Manajemen Agroindustri Jurnal Agrotek UMMat Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Teknologi Pertanian Andalas Agroteknika JPMI (Jurnal Pembelajaran Matematika Inovatif) Journal of Educational Experts (JEE) Eksergi: Jurnal Teknik Energi Industrial Research Workshop and National Seminar Literasi: Jurnal Pengabdian Masyarakat dan Inovasi National Multidisciplinary Sciences Cakrawala: Jurnal Ekonomi, Manajemen dan Bisnis

Asep Yusuf

Departemen Teknik Pertanian Dan Biosistem, Fakultas Teknologi Industri Pertanian, Universitas Padjadjaran

Author-ID : 426535

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Rancang Bangun Dan Uji Kinerja Mesin Pencacah Rumput Gajah Untuk Pakan Ternak Dengan Menggunakan Pisau Tipe Reel (Construction Design and Test Performance of Elephant Grass for Cattle Feed using Reel Type Knife): Construction Design and Test Performance of Elephant Grass Cutting Machine for Cattle Feed using Reel Type Knife Wahyu K. Sugandi; Asep Yusuf; Muhammad Saukat
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 4 No 1 (2016): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

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Elephant grasses demand for cattle feed in Lembang area is increasing in quantities, however qualities of the cutting grasses have not achieved the demand of cattle feed, i.e. length of some of cutting grasses found above 5cm. Therefore, research about elephant grasses cutting technology in order to achieve the standard of forages (cattle feed) production, i.e. 1-5 cm cutting grasses length, need to be conducted. Aimed of this research was to develop machine that could cut elephant grasses by using precision cutting mechanism on the required dimension (1-5 cm). Method used in this research was engineering method using step as follow: (1) Measurement of elephant grasses characteristic; (2) Design analysis of cutting machine, which covered design of the cutter knife, hopper design, frame and transmission system; (3) Construction of elephant grasses cutting machine; (4) Functional test of elephant grasses cutting machine; (5) Test performance of elephant grasses cutting machine; and (6) Measurement of the cutting grasses. Result showed that physical characteristic of elephant grasses were as follow: average length of grass leaves 99.4 cm, leaves wide 2.65 cm, leaves thickness 0.23 cm, and leaves weight 7.8 g. Machine dimension was 800 mm length, 750mm wide, and 104mm height. Power need to cut elephant grasses was 1.6 kW and machine capacity 1988 kg/hour. Length of the produced cutting grasses was 1-3 cm.

RANCANG BANGUN MESIN PENGOLAH GANYONG MULTI FINGSI [Design of Multifunctional Canna Machine] Asep Yusuf; Wahyu Kristian Sugandi; Zaida -; Ch.F. Godang Tua
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 5 No 2 (2017): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Food is a basic requirement for human beings. As the population increases, food demand will continue to increase. Food problems in Indonesia are inseparable from rice and flour, in addition to other foodstuffs such as cassava, corn, and sago (Colas, 1994). Efforts to increase rice production are not easy, since there is a massive diversion of agricultural land functions into residential and industrial areas. Indonesia has the potential of tubers as a source of carbohydrates as well as raw materials of local flour. One of the sources of local starch that can be used as flour is canna (Canna edulis Ker). The obstacles faced by smallholders/ small and medium industries (SMEs) who use canna flour that is in the post-harvest process to produce canna flour. Making starch/ canna flour generally still done traditionally, thus affecting the productivity and quality of flour produced. This study aims to design a multi-function canna processing machine to produce canna flour as food. The research method used is the engineering method, which is the activity of designing the build canna processing machine. Canna machine has been successfully made with two main functions namely: the solvent and slicer. The main components of the machine consist of: frame, solvent unit, slicer unit, transmission system, output outlet, wheel, and drive motor. Dimensions of the machine that is 90 cm long, 85 cm wide and 100 cm high. While the frame dimension is 80 cm long, 70 cm wide and 65 cm high. Functional test results show that all components work properly. Keywords: canna, canna machine, multifunctional, engine design ABSTRAK Pangan merupakan kebutuhan pokok bagi manusia. Seiring dengan meningkatnya jumlah penduduk, maka kebutuhan pangan akan terus meningkat. Masalah pangan di Indonesia tidak terlepas dari beras dan terigu, disamping bahan pangan lainnya seperti ubi kayu, jagung, dan sagu (Colas, 1994). Upaya untuk meningkatkan produksi beras bukan hal mudah, karena banyak terjadi pengalihan fungsi lahan pertanian secara massal menjadi area pemukiman dan industri. Indonesia memiliki potensi umbi-umbian sebagai sumber karbohidrat sekaligus bahan baku tepung lokal. Salah satu tanaman sumber pati lokal yang dapat dijadikan tepung adalah ganyong (Canna edulis Ker). Kendala yang dihadapi oleh petani atau Industri Kecil Menengah (IKM) yang memanfaatkan tepung ganyong adalah pada proses pasca panen untuk menghasilkan tepung ganyong. Pembuatan pati atau tepung ganyong umumnya masih dikerjakan secara tradisional, sehingga mempengaruhi produktivitas serta kualitas tepung yang dihasilkan. Penelitian ini bertujuan untuk merancang bangun mesin pengolah ganyong multi fungsi sehingga dihasilkan tepung ganyong sebagai bahan pangan. Metode penelitian yang digunakan adalah metode rekayasa, yaitu kegiatan merancang bangun mesin pengolah ganyong. Mesin ganyong telah berhasil dibuat dengan dua fungsi utama, yaitu: pemarut dan pengiris. Komponen utama mesin terdiri dari: rangka, unit pemarut, unit pengiris, sistem transmisi, saluran pengeluaran hasil, roda, dan motor penggerak. Dimensi mesin yaitu panjang 90 cm, lebar 85 cm dan tinggi 100 cm. Sedangkan dimensi rangka, yaitu panjang 80 cm, lebar 70 cm dan tinggi 65 cm. Hasil uji fungsional menunjukkan bahwa semua komponen berfungsi dengan baik. Kata kunci: ganyong, mesin ganyong, multi fungsi, rancang bangun mesin

RANCANG BANGUN MESIN PENGUPAS KULIT TALAS (Colocasia esculenta L.) Wahyu Kristian Sugandi; Asep Yusuf; Totok Herwanto; M. Dedi Ardana
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 6 No 2 (2018): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Taro (Colocasia Esculenta L.,) is one of the leading horticultural commodities in Sumedang District after cassava and sweet potato. According to Department of Agriculture Sumedang District (2015), the quantity of taro semir production is about 2,774 tons per year with harvested area of 243 ha. One of the taro producing area in Sumedang District is in Sukawening, Gorowong Village, Ganeas Subdistrict, Sumedang District. In the era of globalization nowadays, the development of technology helps many people on facilitating the work, so that high work efficiency can be obtained. Beside to fulfill the needs, the emersion of new discovery is encouraged by the limitation of human labor, as traditional way has been commonly applied. To overcome this situation, the production of appropriate technology is recommended to increase efficiency and effectiveness level. This research aimed to design taro peeling machine to accelerate the process of stripping and facilitate the process of slicing or flouring. The research method was engineering. The result showed that the taro peeling machine could peel taro of 22 kg/hour, with dimension of 750 mm length, 600 mm width, and 1060 mm height. The result of the functional test showed that the designed taro peeling machine could work well.

RANCANG BANGUN DAN UJI KINERJA ALAT PENGERING TEMBAKAU MOLE TIPE EFEK RUMAH KACA (ERK) KONSTRUKSI BAMBU Wahyu Kristian Sugandi; Ahmad Thoriq; Asep Yusuf; Arif Purwonugroho
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 7 No 2 (2019): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

ABSTRACT Tobacco plants are one of the leading commodities of plantations in Sumedang Regency. The processing process in tobacco which influences the quality of tobacco is the drying and condensation process. Currently the drying process of tobacco mole produced in Sukasari District still uses solar energy which is strongly influenced by weather conditions and is very vulnerable to being contaminated by other materials during drying. The drying process using solar energy requires 7-14 days depending on the weather. To speed up the drying process, it is necessary to design a bamboo construction ERK type mole dryer. The purpose of this research is to design and test the performance of ERK type tobacco mole dryer construction, so that it can speed up the drying process of tobacco in large quantities. The research method uses engineering methods through several stages of the activity process, namely: designing ERK type dryers, functional mixtures, structural designs, technical analysis and performance tests. ERK type mole tobacco dryer bamboo construction that has been made has an overall length of 5 m, a width of 3 m and a height of 2.5 m. Construction of dryers using betung and tie bamboo, walls as coatings for dryers using 6% UV plastic. Based on the analysis using Ansys software, it was found that the shear stress was still below the recommended threshold of 20.42 Pa, while the threshold of petung bamboo was 177 MPa. In the no-load test using an exaust fan, the temperature obtained after 24 hours of data collection in the ERK dryer is equal to 14áµ’C - 46áµ’C and while the temperature outside the ERK dryer is 16.4 - 30.5áµ’C. Decrease in the water content of tobacco produced by this dryer is 66% for 5 days, while outside the dryer is 71% for 14 days. Thermal and drying efficience this dryer is 17,24% and 55,79%. Key word: Design, Performance Test, ERK Dryer, Tobacco Mole, Bamboo

KAJIAN PROSES DAN KARAKTERISTIK KAIN TENUN SERAT ALAMI TANAMAN LIDAH MERTUA (Sansevieria trifasciata P.) Lisa Oktavia Br Napitupulu; Asri Widyasanti; Ahmad Thoriq; Asep Yusuf
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 7 No 2 (2019): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Sansevieria or known as tongue-in-law plant is an ornamental plant that is quite popular in Indonesia. This plant is very easily cultivated, easy to grow in areas with less water and sunlight. This plant contains potential natural fibers used as raw material requirements for textile industry, specifically in fabric making. The aims of this research were to determine the production process consisting and analyzing the characteristics of woven fabrics from the leaves of the tongue-in-law plant. The method of fibers extraction used the mechanical decortication process and making woven fabric is done using ATBM. The research method used is descriptive method. Based on the results of the study, it is known that the woven cloth of tongue-in-law has color characteristics with a value of L* 69.73; a* 1.86; b* 17,38; H 83,88. Besides that, it is known the mechanical characteristics of the tongue-in-law woven fabric, the tensile strength of the fabric, the weft direction of 46.05 kg and the warp direction of 19.96 kg; weft direction stretch 22% and stretch direction of the warp of 55.20%; weft direction tear strength 19.17% and wrap direction 4.60%; and air penetrating power 116.2 cm3/cm2/s.The value of the tensile strength of the tongue-in-law woven fabric produced in the warp direction does not meet the standards of SNI 08-0056-2006 woven fabric quality requirements for suit.Therefore, woven fabric produced is intended as a craft material.

RANCANG BANGUN MESIN PASCA PANEN HANJELI Asep Yusuf; Ahmad Thoriq; Zaida Zaida; Asri Widyasanti; Ganjar Dianugraha Alam
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 7 No 2 (2019): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Food needs will continuous to increase along with population growth rate continuous to rise, so is needed the alternative foodstuff to be developed, one of is jobâ€™s tears. Before jobâ€™s tears is processed there are many process are shelling, polishing of aleuron layer, separating of jobâ€™s tears from bran, and milling.Jobâ€™s tears utilization as food as still constrained in shelling the outer leather because the leather is very hard, so is neededthe design of jobâ€™s tears shelling machine for easy in shelling before polishing. The research was conducted in July - November 2018 on Repair Laboratory Metal Wood and Rattan, Faculty ofAgro-Industrial Technology, Padjadjaran University.Research use engineering methode by doing an design activity. The result is a jobâ€™s tears post-harvest machine including sheller unit, separator unit, and polisher unit with the main components are framework, transmission system, hopper, sheller cylinder and output. This machine can use for shelling of stones jobâ€™s tears with none shelled jobâ€™s tears <35%.

ANALISIS ERGONOMI DAN ANALISIS EKONOMI TEKNIK MESIN PENCUCI UBI Wahyu Kristian Sugandi; Asep Yusuf; Surya P Sukoco
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 9 No 2 (2021): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Penanganan pascapanen ubi jalar dilakukan untuk mempertahankan kualitas Ubi Jalar tersebut. Penanganannya meliputi: pencucian, sortasi, penyimpanan, pengemasan dan pengangkutan, serta pemasaran hasil. Penelitian ini bertujuan menganalisis ergonomi dan kelayakan ekonomi dari mesin pencuci ubi. Metode penelitian yang digunakan adalah analisis deskriptif dengan melakukan pengukuran dan perhitungan terhadap mesin pencuci ubi, sehingga memberikan informasi mengenai penilaian ergonomi dan kelayakan ekonomi. Hasil analisis ergonomi untuk penyesuaian data antropometri menunjukkan adanya selisih antara tinggi bahu dengan tinggi mesin dan lebar bahu dengan lebar mesin masing-masing sebesar 35,24 cm dan 3,86 cm. Kemudian dari hasil evaluasi postur kerja menggunakan OWAS terdapat 2 postur kerja yang termasuk ke dalam kategori 3, sehingga perlu ada perbaikan; analisis biomekanika NIOSH menghasilkan nilai LI < 1 untuk semua berat beban yang diangkat operator kecuali saat operator mengangkat air. Tingkat kebisingan dan getaran dari mesin pencuci ubi pada kondisi tanpa beban masing-masing sebesar 88,92 dB dan 11,056 m/s2, sedangkan pada kondisi dengan beban masing-masing 77dB dan 21,87 m/s2. Hasil analisis ekonomi menunjukkan mesin pencuci ubi dengan menghasilkan nilai NPV Rp 39.842.284,52, BC Ratio sebesar 1,466, IRR sebesar 8,5%, dan PBP investasi akan mendapatkan keuntungan pada tahun pertama. Kemudian BEP akan tercapai setelah memproduksi 14.956 kg.

Co-Authors Achirul Nanda, Muhammad Adriana Sofyan AHMAD THORIQ Ahmad Thoriq Alifia, Rachma Nur Amorita Iqradiella Amorita Iqradiella Angelina Batubara Arif Purwonugroho Asri Widyasanti Asri Widyasanti Boy Macklin Pareira Prawiranegara Ch.F. Godang Tua Chay Asdak Cipta Endyana Eka Aria Putra Elisabet Mutiara Hutabarat Fadzar Bagas Akbar Fahmi, Zulfikar Firdaus Firdaus Fitry Filianty Fuadah, Eza Zahrotul Ganjar Dianugraha Alam Hilman Syaeful Alam Hilman Syaeful Alam Hilman Syaeful Alam Kharistya Amaru Lambok Sinaga Lisa Oktavia Br Napitupulu Luthfie Hafidz Imaduddin M. Ade Moetangad Kramadibrata M. Dedi Ardana M. Hafizh Ulwan Mimin Muhaemin, Mimin Moch Ilham Khoerulloh Mohamad Sapari Hadian Mubarok, Ruslan Muhammad Achirul Nanda Muhammad Saukat Mutia Safira N.P, Sophia Dwiratna Nadia Karimah Nadia Karimah Nanda, Muhammad Achirul Norberta Yuni Rusmintia Nurhadi, Ahmad Nurrachman, Mochamad Anfasa Oktora, Grace Indah Raka Rabean Alifazza Rikha Nurhasanah Ruminta Ruminta Ruslan Mubarok Sella Fiana Selly Harnesa Putri Sidik Maulana Sophia Dwiratna, Sophia Sudaryanto Sudaryanto Sugiarto, Anto Tri Surya P Sukoco TATI NURHAYATI Taufik Ibnu Salim Taufik Ibnu Salim Theresia Romey Totok Herwanto Totok Herwanto Tri Yuliana Vibi Ledianti Wahyu K Sugandi Wahyu Kristian Sugandi Zaida - Zaida Zaida Zaida Zaida Zaida Zaida Zanthy, Luvy Sylviana

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