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All Journal IJCCS (Indonesian Journal of Computing and Cybernetics Systems) SPEKTRUM INDUSTRI Jurnal Optimasi Sistem Industri Jurnas Nasional Teknologi dan Sistem Informasi Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Jurnal Hilirisasi IPTEKS (JHI) Contagion: Scientific Periodical Journal of Public Health and Coastal Health SIGMA TEKNIKA Indonesian Journal of Global Health research Journal of Applied Computer Science and Technology (JACOST) INVENTORY : Industrial Vocational E-Journal On Agroindustry Andalasian International Journal of Applied Science, Engineering, and Technology Jurnal Pengabdian Pada Masyarakat Proceeding International Health Conference

Indrapriyatna, Ahmad Syafruddin

Andalas University

Author-ID : 2490487

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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Algoritma Penentuan Ukuran Batch Integer pada Penjadwalan Flowshop Satu Mesin Hadigufri Triha; Ahmad Syafruddin Indrapriyatna; Jonrinaldi Jonrinaldi; Berry Yuliandra
Jurnal Optimasi Sistem Industri Vol. 15 No. 1 (2016): Published in March 2016
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Scheduling is an important area of production planning and control. Scheduling is required to produce an existing job by allocating existing resources in the proper execution order. Production schedules arranged effectively and efficiently to maximize resources utility, minimize waiting and idle time and increase productivity. The flowshop batch scheduling model for one machine that takes inventory and quality cost into account has been developed by Indrapriyatna et al (2007a). However, the model yet effective in converting the results of batch size into integers. This study tried to resolve this problem by using a modification of Branch and Bound Algorithm approach.

DESAIN APLIKASI E-COMMERCE SEBAGAI MEDIA PROMOSI PRODUK BUMBU MASAKAN KELOMPOK TANI MUTIARA INDAH Budi Rahmadya; Ahmad Syafruddin Indrapriyatna; Khandra Fahmy; Dodon Yendri; Derisma Derisma; Nefy Puteri Novani
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 (556.252 KB)

Usaha kelompok Tani Mutiara Indah Kabupaten Tanah Datar dalam memproduksi bumbu masakan merupakan salah satu usaha kecil dan menengah (UKM) unggulan yang ada di kabupaten Tanah Datar. Permasalahan yang ada pada UKM ini adalah masalah pemasaran produk dan sistem produksi yang masih bersifat pesanan. Salah satu kelemahan sistem pesanan ini adalah waktu perputaran uang yang cukup lama. Pemanfaatan e-commerce merupakan salah satu solusi untuk mengatasi kendala pemasaran dan sistem penjualan pada UKM ini. Dengan memanfaatkan internet melalui aplikasi e-commerce membuka peluang bagi UKM Kelompok Tani Mutiara Indah ini untuk memasarkan produknya dan menumbuhkan akses ke jaringan pasar yang lebih luas. Selain itu, transaksi di e-commerce dapat dilakukan dengan tunai tergantung kemampun penjual dalam mendesain sistem penjualan. Hal ini memungkinkan perputaran kas dapat lebih cepat dan memberikan keuntungan yang juga lebih besar. Telah dilaksanakan pelaksanaan kegiatan pengabdian ini untuk membekali anggota Kelompok Tani Mutiara Indah dengan pengetahuan tentang penggunaan aplikasi e-commerce yang dapat mereka manfaatkan dalam memasarkan produk bumbu secara lebih luas dan memperluas jaringan penjualannya produknya.

Pengembangan Antarmuka Portal Universitas untuk Meningkatkan Pengalaman Pengguna Ikhwan Arief; Asmuliardi Muluk; Ahmad Syafruddin Indrapriyatna; Mahira Falevy
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 5 No 6 (2021): Desember 2021
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Technology has been growing rapidly to help humans living their everyday life. Human, as the user interacts through an interface called user interface (UI), and the experience that the users are having is called user experience (UX). UI and UX are inseparable as a good user interface will result in a better user experience. Portal Unand is a web-based app that has all academic information for students. An initial survey was conducted to find out student’s thoughts on Portal Unand. Students have complaints towards Portal Unand due to its unresponsiveness, old-fashioned design, important features weren’t highlighted, etc. Hence, it reduced user experience in using Portal Unand. In this study, the redesign was done by using the design thinking. The study started from empathizing with the users until testing the prototype to the users by conducting usability testing. Usability testing was conducted by using Maze and System Usability Scale (SUS). The score of usability testing was 84 which fell into the high range. The SUS score was 83.33 which fell into grade A and acceptable category. As the new prototype managed to fulfill users’ needs and met users’ expectations, the prototype was usable and ready to be developed.

STRATEGI PERBAIKAN KUALITAS LAYANAN MAHASISWA PADA FAKULTAS TEKNIK UNIVERSITAS IBNU SINA DENGAN METODE SWOT DAN QSPM Herman Herman; Jonrinaldi Jonrinaldi; Ahmad Syafruddin Indrapriyatna
SIGMA TEKNIKA Vol 5, No 2 (2022): SIGMATEKNIKA, VOL. 5, N0. 2, NOVEMBER 2022
Publisher : Fakultas Teknik, Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/sigmateknika.v5i2.4493

Fakultas Teknik Universitas Ibnu Sina bergerak dibidang pendidikan yang menyediakan berupa layanan mahasiswa, namun berdasarkan hasil penelitian pendahuluan yang telah dilakukan mahasiswa masih merasa belum puas terhadap layanan yang disediakan oleh Fakultas Teknik Univeristas Ibnu Sina seperti fasilitas layanan belum lengkap, lambat respon terhadap keluahan, toilet kurang bersih, ruangan perkuliahan belum rapi, wifi kurang lancar, oleh karena itu diperlukan strategi perbaikan layanan yang dapat memenuhi keinginan mahasiswa. Untuk mencapai semua itu diperlukan metode strategi perbaikan layanan ini yaitu dengan menggunakan metode SWOT dan QSPM, berdasarkan dari hasil perumusan strategi dengan menggunakan matriks IFAS EFAS maka terdapat 10 usulan Strategy perbaikan layanan sedangkan hasil perhitungan matriks QSPM peningkatan akreditasi prodi dan institusi dengan nilai Atractive Score (AS) 124 Total Atractive Score (TAS) 6,29 sedangkan prioritas yang kedua adalah melakukan pelatihan rutin kepada SDM layanan dengan total nilai Atractive Score (AS) 114 Total Atractive Score (TAS) 5,994

PENERAPAN MESIN PENIRIS MINYAK (SPINNER) UNTUK MENINGKATKAN EFISIENSI PRODUKSI DAN KUALITAS DARI KERUPUK KULIT PADA IKM RIZKY DI KOTA PADANG Indri Juliyarsi; Sri Melia; Ade Sukma; Rizki Dwi Setiawan; Ahmad Syafruddin Indrapriyatna; Tuty Anggraini
Jurnal Hilirisasi IPTEKS Vol 5 No 4 (2022)
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jhi.v5i4.631

The process of making skin crackers, which is carried out in four stages of frying, results in a high oil content in the product. This is a separate obstacle for business actors in making skin crackers. A high oil content can cause rancidity in the product and requires a long time for oil draining in the production process. IKM partner "Rizky" which produces skin crackers in Lubuk Buaya, Padang City still uses a manual spinning process at each stage of frying. The purpose of this activity is to apply an oil spinning machine (spinner) in the process of making skin crackers at Mitra IKM "Rizky" to increase the production efficiency and quality of skin crackers. The method in this activity is carried out by providing a semi-automatic oil spinning machine followed by training and assistance in using an oil spinning machine and practicing from the first stage of frying to the last stage in making skin crackers. The result of this activity is that the use of an oil spinning machine can shorten the oil draining process time from 3.5 hours to 15 min without damaging the product. In addition, the use of an oil spinning machine provided more optimal oil extraction results than the manual spinning method. The oil content in the skin crackers decreased, thereby reducing the potential for rancidity in the product. The conclusion from this activity is that the use of oil-spinning machines in the skin cracker production process at Mitra IKM can increase the production efficiency and improve the quality of skin crackers.

Inventory Control Model of Beef for Rendang Products Feby Gusti Dendra; Elita Amrina; Ahmad Syafruddin Indrapriyatna
Jurnal Optimasi Sistem Industri Vol. 22 No. 1 (2023): Published in May 2023
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.v22.n1.p22-30.2023

The definition and function of inventory management reveal the importance of modern industry in formulating policies that regulate the supply of raw materials, semi-finished products, and finished products. Unfortunately, most companies fail to consider the characteristics of their raw materials when determining inventory strategies. Raw materials that are perishable are those that consider their service life and storage time. Inventory management plays a crucial role in supply chain management, especially for perishable raw materials, such as food products. PT X, a food business in Padang, experienced difficulty in meeting the demand for rendang products due to a lack of raw materials. Therefore, this study aims to develop an inventory management model that takes into account the perishable raw materials' expiration time. The model development consists of three stages: model development design, inventory model formulation, and model testing. The proposed model resulted in a storage time interval of five days and an optimal order quantity of 34 kg of meat with a safety stock of 14 kg. Implementing this model led to lower total inventory costs for PT X than the actual conditions of the company. The total inventory cost obtained using this model is Rp279,797,822. This study emphasizes the importance of considering the characteristics of raw materials in determining inventory strategies to optimize inventory management effectively and efficiently. The study's findings can serve as a reference for other food businesses encountering similar inventory management challenges in the perishable food industry.

Sosialisasi dan Pendampingan Digitalisasi UMKM menggunakan Aplikasi Marketplace “Bulagat” Dwi Welly Sukma Nirad; Rika Ampuh Hadiguna; Ahmad Syafruddin Indrapriyatna; Wahyudi Wahyudi; Ricky Akbar; Hafizah Hanim; Hanalde Andre; Andrew Kurniawan Vadreas; Al Fajri; Ghani Arrasyid Zulkarnaen
Jurnal Pengabdian Pada Masyarakat Vol 8 No 2 (2023): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/jppm.v8i2.323

Pemerintah berkomitmen mendukung dan memfasilitasi UMKM untuk “naik level” dengan memanfaatkan teknologi digital. Namun, hasil yang dicapai masih belum optimal. Kepulauan Mentawai adalah satu-satunya daerah 3T di Sumatera Barat. Padahal UMKM Mentawai cukup potensial untuk dikembangkan mengingat ketersediaan sumber daya alam yang melimpah di sana. Maka, sebagai bentuk tanggung jawab Insan Perguruan Tinggi dalam melayani masyarakat, dibuatlah program aplikasi marketplace untuk wilayah Mentawai. Aplikasi ini dapat mendukung UMKM sehingga menghasilkan perekonomian yang lebih baik. Marketplace yang dikembangkan membantu UMKM dari dua sisi: (1) distribusi produk Mentawai ke luar daerah khususnya kota Padang; dan (2) mempromosikan produk UMKM melalui media promosi Bulagat. Untuk mensukseskan tujuan tersebut tentunya diperlukan pendekatan yang intensif dengan masyarakat Kepulauan Mentawai. Oleh karena itu diadakan kegiatan sosialisasi untuk membentuk pola pikir digital dan memperkenalkan aplikasi Bulagat serta pendampingan kepada masyarakat dalam menggunakan aplikasi Bulagat agar masyarakat Kepulauan Mentawai dapat menjalankannya dengan lancar. The government is committed to support and facilitate MSME’s to "level up" by utilizing digital technology. However, the results achieved are still not optimal. The Mentawai Islands are the only 3T area in West Sumatra. Even though the Mentawai MSME’s have quite the potential to be developed given the availability of abundant natural resources there. So, as a form of responsibility of Higher Education personnel to community, a marketplace application program was created for the Mentawai region. This application can support MSME’s so as to produce a better economy. The developed Marketplace helps MSME’s from two sides: (1) distribution of Mentawai products outside the region, especially the city of Padang; and (2) promoting MSME’s products through Bulagat promotional media. In order to achieve the success of this goal, of course, an intensive approach is needed with the people of the Mentawai Islands. Therefore, socialization activities were held to form a digital mindset and introduce the Bulagat application and assistance to the community in using the Bulagat application so that the people of the Mentawai Islands could run it fluently.

Pemodelan Biaya Reverse Logistics Pada Pengelolaan Kemasan Minyak Goreng Rahmi Ramadhany; Rika Ampuh Hadiguna; Ahmad Syafruddin Indrapriyatna; Suci Oktri Viarani
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 4, No 1 (2023): Published in June 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v4i1.108

Indonesia is listed as the second largest contributor to plastic waste in the world. The problem currently faced is the increasing amount of plastic waste which is one result of the business processes of companies using plastic packaging or plastic packaging manufacturers, one of the plastic packaging waste that comes from cooking oil packaging. The method to solve the problem of processing cooking oil packaging waste carried out in this study is to modify the existing system into a reverse logistics system. Currently, cooking oil companies have not implemented reverse logistics to reduce plastic packaging production. The reverse logistics system applied in this study is to modify cooking oil packages into packages that can be used repeatedly. The reverse logistics system that is applied is then modeled linerly to find out the minimal costs in implementing reverse logistics for the packaged cooking oil. Based on the development of the packaged cooking oil waste management model, it is known that the results of determining the model solution with the linear programming model are the minimal costs for reverse logistics of packaged cooking oil. The model is designed to do a sensitivity analysis by making changes to the reverse logistics cost parameters, changes in the reverse logistics cost parameters resulting in changes to the results that are directly proportional. The designed model is implemented using PT. XYZ which has a similarity with the designed system.

Optimalisasi UMKM di Kepulauan Mentawai Melalui Marketplace dan Digitalisasi Logistik Dwi Welly Sukma Nirad; Rika Ampuh Hadiguna; Ahmad Syafruddin Indrapriyatna; Wahyudi; Ricky Akbar; Hafizah Hanim; Andrew Kurniawan Vadreas
Journal of Applied Computer Science and Technology Vol 4 No 1 (2023): Juni 2023
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jacost.v4i1.467

Economic growth in West Sumatra's Mentawai Islands is relatively undeveloped due to geographical conditions and human resource capacity. The status as a 3T region (Disadvantaged, Frontier, Outermost) inhibits Micro, Small, and Medium Enterprises (MSMEs) growth. Despite MSMEs being economic pillars that stimulate regional development, their progress remains slow. To counter this, our study proposes "Bulagat", an integrated marketplace with digital logistics aimed at enhancing economic and MSMEs growth in the Mentawai Islands. Bulagat will streamline MSME product distribution, broaden market reach, and boost income. Constructed using the Waterfall Model, Bulagat facilitates transactions between MSMEs and customers on an easy-to-use platform. The integration of logistics digitization aims to improve delivery safety and efficiency, thereby expanding MSMEs product reach in the Mentawai Islands. A tracking feature ensures successful delivery. The study suggests Bulagat has the potential to be an efficient tech solution supporting MSMEs product sales in Mentawai, overcoming geographical barriers, and strengthening the local economy and community welfare. This application aims to mitigate MSMEs challenges, drive economic growth, and enhance local community welfare.

Meningkatkan Antarmuka Pengguna Melalui Analisis Sentimen: Mengungkap Pengalaman Pengguna di Aplikasi Bukalapak Ikhwan Arief; Muhammad Farhandika; Ahmad Syafruddin Indrapriyatna; Ardhian Agung Yulianto; Yumi Meuthia
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 7 No 5 (2023): October 2023
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29207/resti.v7i5.5184

In this research, we use sentiment analysis to refine the user interface (UI) and user experience (UX) of the Bukalapak application, a leading online trading platform in Indonesia. We focus our scrutiny on 4,462 reviews related to the UI within a larger dataset of 246,947. Almost a third of these critiques express dissatisfaction, predominantly pointing out issues related to the UI design and its functionality. The critiques underscore the potential of sentiment analysis as a tool to uncover areas of user-centric design that need improvement. To address these issues, it is necessary to incorporate user feedback and sentiment analysis into the design workflow, allowing a more in-depth understanding of user needs and facilitating more effective service enhancements. Embracing a user-centered methodology allows for UI fine-tuning, leading to better functionality and increased user contentment. Our investigation reveals a positive link between design refinements and usability ratings, indicating improved user experience satisfaction. To summarize, this research highlights the essential contribution of user feedback and sentiment analysis to detect and correct UI shortfalls, thus augmenting UX and contributing to the triumph of platforms like Bukalapak within Indonesia's dynamically changing e-commerce environment.

Co-Authors Abdi Manaf Achmad Yani Ade Sukma Akbar, Ricky Al Fajri Alizar Hasan Amrina, Elita Andrew Kurniawan Vadreas Arifia Fitriani Asmuliardi Muluk Berry Yuliandra Budi Rahmadya Cantika, Annisa Hasifah Dasman, Hardisman Dodon Yendri Em Yunir, Em Febriyanti febriyanti febriyanti Feby Gusti Dendra Finny Fitry Yani Ghani Arrasyid Zulkarnaen Hadigufri Triha Hadigufri Triha, Hadigufri Hafizah Hanim Hanalde Andre Handayani Gusmira , Yuni Hardisman Dasman Harun Harnavi Herman Herman Husna Yetti Ikhwan Arief Ilmiawati Ilmiawati, Ilmiawati Indri Juliyarsi Ismail Yusuf Panessai Jonrinaldi Khandra Fahmy Mahira Falevy Masrul Mudjiran Mudjiran Muhammad Farhandika Najirman Najirman, Najirman Nefy Puteri Novani Nur Iksan Nur Indrawaty Lipoeto Nurus Sabah Pratiwi Hendro Wahyudiono Prima Fithri Rahmadoni, Jefril Rahmi Ramadhany Ramadhany, Rahmi Rapida Saragih Rika Ampuh Hadiguna Rima Semiarty Sri Melia Suci Oktri Viarani Suci Oktri Viarani, Suci Oktri Sukma Nirad, Dwi Welly Syaddad Hamdan , Farrell Tuty Anggraini Wahyudi Yulia, Dwi Yulianto, Ardhian Agung Yumi Meuthia

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