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All Journal Jurnal Optimasi Sistem Industri Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Hilirisasi IPTEKS (JHI) Jurnal Teknik Mesin Jurnal Abdi: Media Pengabdian Kepada Masyarakat Andalasian International Journal of Applied Science, Engineering, and Technology METAL : Jurnal Sistem Mekanik dan Termal
Saputra M, Dendi Adi
Fakultas Teknik Universitas Andalas
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INTRODUKSI TEKNOLOGI PENGERING TENAGA SURYA UNTUK MENINGKATKAN PRODUKTIVITAS DAN PENDAPATAN USAHA KERUPUK UBI DI KECAMATAN KAMANG MAGEK KABUPATEN AGAM Adly Havendri; Dendi Adi Saputra; M. Eka Satria; Syafi’i Syafi’i
Jurnal Hilirisasi IPTEKS Vol 1 No 4.b (2018)
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (880.158 KB)

Abstract

Usaha peningkatan nilai tambah ubi kayu dapat dilakukan dengan cara penganekaragaman produk olahan ubi kayu menjadi bahan setengah jadi (produk antara) yang selanjutnya dapat langsung dipasarkan atau menjadi produk makanan siap saji. Saat ini, di Kecamatan Kamang Magek Kabupaten Agam usaha penganekaragaman produk olahan ubi kayu banyak dilakukan oleh industri skala rumah tangga (IRT). Namun, dalam proses pengolahannya beberapa IRT masih menggunakan teknologi sederhana sehingga produktivitas dan pendapatan usaha terbatas pada kemampuan teknologi yang digunakan. IRT Erna (mitra) masih menggunakan metode pengeringan konvensional berupa pengeringan melalui panas matahari. Hal ini akan menyebabkan ketergantungan produksi kerupuk ubi terhadap perubahan cuaca. Ketersediaan teknologi pengering dengan menggunakan panas buatan sebagai pengganti panas matahari belum mampu menjadi solusi pengering kerupuk ubi bagi IRT pengolah kerupuk ubi di Sumatera Barat. Kerupuk ubi yang dikeringkan secara paksa menyebabkan ketidakmerataan suhu pengeringan pada produk kerupuk ubi. Untuk itu, perlu dilakukan introduksi teknologi pengering tenaga surya yang dirancang berdasarkan kebutuhan mitra. Dari hasil kegiatan ini dapat disimpulkan bahwa teknologi yang diintroduksikan mampu meningkatkan produktivitas produksi kerupuk ubi hingga 2 kali lipat dari proses produksi dengan menggunakan teknologi konvensional sebelumnya.
Introduksi Teknologi Pengering Tenaga Surya Untuk Meningkatkan Produktivitas Dan Pendapatan Usaha Kerupuk Ubi Di Kecamatan Kamang Magek Kabupaten Agam Adli Havendri; Dendi Adi Saputra; Eka Satria; Syafi’i Syafi’i
METAL: Jurnal Sistem Mekanik dan Termal Vol 2, No 2 (2018)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (599.677 KB) | DOI: 10.25077/metal.2.2.1-6.2018

Abstract

The micro, small and medium scale of industrial enterprises for cassava crackers is growing rapidly in Kamang Magek District of Agam Regency. Cassava crackers are the typical crackers which only find in the Agam Regency. The taste is crunchy and can be stored for a long time, making this cracker a special food souvenir. In the process of making, cassava is boiled and pounded so that it becomes pasta. Pasta will be formed and dried in the sun. The crackers that have been formed should be dried in a maximum of 1 day. Today, the makers of cassava crackers are still dependent on sunlight, so they often cannot meet market demand during the rainy season. Therefore, through the IbM (Ipteks bagi Masyarakat) program for the community funded by DIKTI, solar drying technology is introduced by using a type of solar tunnel. The result shows the drying time is 2 times faster than traditional drying process. Hopefully, this technology can help the community of the cassava crackers maker to increase their productivity.
Perancangan dan Analisis Ekonomi Pembangunan Pembangkit Listrik Tenaga Piko Hidro di Desa Garabak Data Kabupaten Solok Sumatera Barat Adly Havendri; Dendi Adi Saputra; Mulya Cipta Nurmansyah
METAL: Jurnal Sistem Mekanik dan Termal Vol 1, No 1 (2017): Volume 1, No 1 (2017)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (865.909 KB) | DOI: 10.25077/metal.1.1.20-26.2017

Abstract

In this research, development of a pico hydro power plant utilizing the river with water flow 0.6 m3/s and head 1.5 m is conducted. According to the available potential of the area, the waterwheel turbine with type undershot and efficiency about 71-76% is selected. The synchronize generator with 1 phase and 10 kVA capacity is chosen according the maximum generated power of the plant power which is about 8.81 kW. Due to the loses inside the turbine and generator, therefore the average electrical power that can be distributed is 4.96 kW. For stabilizing the voltage and current from the generator, a 7,5 kVA stabilizer with safety factor 20% is used. As the result, the stable electrical power 34.759,68 kWh can be generated every year with the capacity factor about 80%. The design results of the pico hydro power plant indicated that the power plant in Garabak Data able to produce the electrical power about Rp899,05 per kWh.
Rancang Bangun Tungku Gasifikasi Tipe Counter-Flow dengan Bahan Bakar Biomassa Municipal Solid Waste (MSW) Dendi Adi Saputra; Adjar Pratoto; Andoni Prayogi
METAL: Jurnal Sistem Mekanik dan Termal Vol 1, No 2 (2017): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1007.801 KB) | DOI: 10.25077/metal.1.2.70-76.2017

Abstract

This research discusses about designing of counter-flow type gasification stove utilizing biomass municipal solid waste (MSW). The first step of the research process is to formulate the design concept of the gasification stove using the MSW collected in Padang city. The results of the design concept formulation are used to obtain the detail design parameters which is used as the reference for manufacturing the stove. The main designing parameters of the gasification stove are the diameter and the height of the stove. The technical drawing is made according to the designing parameters obtained from the design concept formulation. Base on the technical drawing, the counter-flow type biomass gasification stove was built. The obtained results show that for a large value of updraft air and a small value of downdraft air, the operating time of the stove is long. This condition is obtained in the case of standard air and fuel ratio (AFR<1.5). This results show that the gasification stove efficiency is better in comparison with the conventional one.
PENGEMBANGAN MODEL PENINGKATAN PRODUKTIVITAS USAHA KERUPUK UBI MELALUI KERJASAMA SINERGIS INDUSTRI SKALA RUMAH TANGGA DI KECAMATAN KAMANG MAGEK DAN KECAMATAN BASO, KABUPATEN AGAM, SUMATERA BARAT Dendi Adi Saputra; Adjar Pratoto; Ismet Hari Mulyadi
Jurnal ABDI: Media Pengabdian Kepada Masyarakat Vol. 2 No. 2 (2017)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ja.v2n2.p96-102

Abstract

Kabupaten Agam, Sumatera Barat memiliki produk unggulan berupa kerupuk ubi (singkong), baik untuk konsumsi lokal maupun sebagai oleh-oleh khas Sumatera Barat. Sebagian besar usaha kerupuk ubi merupakan industri rumah tangga (IRT). IRT Karya Muda (mitra 1) telah memiliki jaringan pemasaran yang baik dan telah memiliki label tersendiri, namun seringkali pasokan dari IRT pengolah kerupuk ubi tidak selalu kontinu dan jumlah pesanan sering tidak dapat terpenuhi. IRT Yelmi (mitra 2) merupakan salah satu pengolah kerupuk ubi. Pengolahannya menggunakan perangkat manual. Untuk itu, pada tahun 2015 melalui kegiatan hibah Ipteks bagi Masyarakat DIKTI dilakukan implementasi model peningkatan Produktivitas melalui kerjasama sinergis. Secara khusus, prinsip pengembangan model ini adalah membantu IRT Yelmi untuk meningkatkan lagi kapasitas produksi melalui introduksi teknologi mesin roll press dan cetakan mekanis. IRT Karya Muda akan berbagi resep khusus (ingredients) sesuai dengan ciri khas produknya ke IRT Yelmi. Selanjutnya IRT Yelmi akan memasok kerupuk ubi ke IRT Karya Muda. Dengan kerjasama ini, mitra 2 akan mendapatkan peningkatan pendapatan dan membuka lapangan kerja baru melalui peningkatan kapasitas produksi dan peningkatan standar mutu kerupuk ubi dan mitra 1 akan mendapatkan pasokan produk yang stabil, yang pada gilirannya juga akan meningkatkan pendapatannya.
PERANCANGAN MESIN ROLLER MEKANIS UNTUK EFISIENSI HASIL PRODUKSI KERUPUK UBI DI JORONG KOTO KACIAK NAGARI MAGEK KAB. AGAM Suci Oktri Viarani; Dendi Adi Saputra
Jurnal ABDI: Media Pengabdian Kepada Masyarakat Vol. 7 No. 2 (2022): Vol.7, No.2 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/abdi.v7i2.12986

Abstract

Salah satu Industri Rumah Tangga (IRT) yang masih bertahan dan dilaksanakan oleh masyarakat di Jorong Koto Kaciak Nagari Magek Kec. Kamang Magek Kab. Agam Sumatera Barat adalah usaha pengolahan ubi kayu menjadi produk kerupuk ubi. Dari observasi dilapangan, proses produksi kerupuk ubi masih menggunakan teknologi konvensional berupa mesin penggiling/ roller manual dan semi mekanis. Hal ini menyebabkan terbatasnya produktivitas produksi kerupuk ubi yang dihasilkan. Oleh sebab itu, introduksi rancangan teknologi mesin roller pasta ubi mekanis untuk Industri Rumah Tangga (IRT) dibahas dalam artikel ini. Konsep rancangan teknologi mesin roller pasta ubi ini mengadopsi semua permasalahan teknis dari pelaku usaha dan berbagai elemen masyarakat. Konsep rancangan ini kemudian diwujudkan dalam bentuk prototipe alat dan diuji langsung ke pelaku usaha. Dari hasil pengujian produktivitas mesin roller mekanis ini diketahui dapat meningkatkan produktivitas kerupuk ubi sebanyak dua kali lipat.
A Cassava Washing Appliance Design for The Home Industry Riska Safitri; Hilma Zadry; Dendi Adi Saputra; Muhammad Amin
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 3 No. 2 (2023): July 2023
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v3i2.89

Abstract

The food business opportunity is very interesting for home industry entrepreneurs in West Sumatra, a home industry of cassava chips. The step of the cassava chip production process that takes longer time than the other step is the washing process. The cassava washing process is carried out manually because washing device that uses motor drives are not affordable for home industry entrepreneurs. In addition, the cassava washing process makes a physical complaint from the operators. Therefore, this research designs a cassava washer that is affordable for the home industry by considering design methods, ergonomic aspects, and customers' needs. This design is carried out using the Quality Function Deployment (QFD) method to translate the voice of the customer into technical and design characteristics, morphological charts for generating alternative designs, and an objective weighted method for evaluating that alternative. The result of this research is the design of a cassava washer which is more practical because it makes the operator works easier and can save time in the washing process. It is also very affordable, with an estimated cost of production IDR2,397,743.
Isoterm Adsorpsi Arang Kulit Jengkol Sebagai Adsorben CO2 Muhammad Fadhil Rahman; Adjar Pratoto; Dendi Adi Saputra; Akio Kodama
Jurnal Teknik Mesin Vol 16 No 2 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.2.1206

Abstract

The concentration of carbon dioxide (CO2) gas in the atmosphere continues to increase every year, mainly due to human activities such as burning fossil fuels for energy, industrial processes, and transportation. The development of CO2 gas reduction research continues to be carried out, one of which is the adsorption process using adsorbents. The research was carried out by looking at the effect of variations in activating agent and activation temperature on adsorbents as CO2 adsorbers and how N2 and pore size distribution influence CO2 adsorption. The active carbon adsorbent used comes from jengkol peel which is carbonized via the pyrolysis method. Adsorbents are made by varying the type of activating material (KOH, Urea, and KOH+urea) and activation temperature (600℃, 700℃, and 800℃). The active ingredient KOH+urea has better absorption capacity than other variations, but not too high. N2 gas does not really affect the CO2 adsorption process because it has a low N2 adsorption isotherm, so it is not worrying if the CO2 adsorption process also contains N2 in the air. Based on measurements with Belsorp-Max II, the data obtained is only specific surface area data, this is due to the small surface pores of the adsorbent. The temperature of 800℃ has a better specific surface area than other variations, this is also by the higher CO2 adsorption capacity. So it is concluded that the pore surface area influences the ability to absorb CO2. Based on the data obtained, jengkol peel charcoal is not suitable as a CO2 adsorbent because it has a low pore surface area and adsorption isotherm
Rancang Bangun Alat Ukur Torsi dan Putaran Untuk Pengujian Turbin Savonius Pada Wind Tunnel Berbasis mikrokontroler Ruzita sumiati; Uyung Gatot S. Dinata; Dendi Adi Saputra; Riswan Riswan; Fahri Triharyono; Rahil Abde Andika; Fharel Abdillah
Jurnal Teknik Mesin Vol 17 No 1 (2024): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.17.1.1414

Abstract

The objective of this research is to design and develop a torque measurement device using a braking system and a rotational speed measurement tool for a Savonius turbine shaft, applied in a wind tunnel, with data acquisition controlled by an Arduino Uno microcontroller. The methodology employed in this research is the design and build method. The testing results indicate that the torque measurement device controlled by the Arduino Uno functions effectively. Comparing the results of braking force measurements using manual methods and data acquisition revealed a 2, 231 % error. Additionally, the rotational speed measurements using a tachometer and those using an encoder controlled by the Arduino Uno showed a small error of 0,59 %. Data were continuously monitored on a laptop screen during testing. Thus, this device can be utilized as an auxiliary measurement tool to assess the performance of a Savonius turbine
Optimalisasi Proses Perakitan Pesawat Tanpa Awak dengan Metoda Critical Path Methods (CPM) Dendi Adi Saputra M; Eka Satria; Gusman Arif Pandy
Jurnal Optimasi Sistem Industri Vol. 15 No. 1 (2016): Published in March 2016
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v15.n1.p87-92.2016

Abstract

The manufacturing of Unmanned Aerial Vehicles (UAV) requires a design process that involves the design of aircraft’s components such as fuselage, wing, horizontal stabilizer, vertical stabilizer, ailerons, elevators, tail, and wing. The process takes a long time. Therefore, the distribution of structural works based on their characteristics and classifications by considering their design attributes and manufacturing processes is required. This research aims to find the optimal time and critical path of the assembly process of an UAV based on product work breakdown structure (PWBS) and critical path method (CPM). The result reveals that the optimal assembly time is 139 minutes. Finally, the application of product-oriented structural work distribution and the optimization of the assembly activities involved in the critical path successfully minimize the duration of the assembly process.
Co-Authors Adjar Pratoto, Adjar Adli Havendri Agung Pradana Akio Kodama Andoni Prayogi Eka Satria Fahri Triharyono Fauziah Khairunnisa Fharel Abdillah Gusman Arif Pandy Hafizhul Khair Havendri, Adly Hilma Zadry Ismet Hari Mulyadi Muhammad Adli Muhammad Amin Muhammad Fadhil Rahman Mulya Cipta Nurmansyah Rahayu, Silda Adi Rahil Abde Andika Rahmi Utami Riska Safitri Riswan Riswan Ruzita Sumiati Suci Oktri Viarani Syafi’i Syafi’i Syafi’i Syafi’i Uyung Gatot Syafrawi Dinata