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All Journal Jurnal Optimasi Sistem Industri Jurnal Informatika dan Teknik Elektro Terapan Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri JURNAL AGRICA Inersia : Jurnal Teknik Sipil SIGMA TEKNIKA Jurnal Agrinika : Jurnal Agroteknologi dan Agribisnis Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Industrika : Jurnal Ilmiah Teknik Industri Journal of Integrated and Advanced Engineering (JIAE) Profisiensi : Jurnal Program Studi Teknik Industri Andalasian International Journal of Social and Entrepreneurial Development Integrasi : Jurnal Ilmiah Teknik Industri Journal of Civil Engineering and Vocational Education Tapis : Jurnal Penelitian Ilmiah
Jonrinaldi
Universitas Andalas
Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Social Sciences Transportation Other

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RANCANG BANGUN GENERATOR FLUKS AKSIAL MAGNET PERMANEN SATU FASA 12 KUTUB DENGAN STATOR GANDA Muhammad Khairul Amri Rosa; Jonrinaldi Jonrinaldi; Humiras Feryanson Sianipar
Jurnal Informatika dan Teknik Elektro Terapan Vol 11, No 3s1 (2023)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v11i3s1.3377

Abstract

Pada penelitian ini dikembangkan desain generator magnet permanen satu fasa fluks aksial dengan stator ganda untuk meningkatkan daya yang dibangkitkan oleh generator. Generator didesain menggunakan 12 kutub sehingga dapat digunakan pada pada putaran rendah yang biasanya dapat dihasilkan oleh sumber-sumber energi terbarukan. Desain generator yang dikembangkan pada penelitian ini terdiri dari 2 piringan cakram berbahan besi (Fe) sebagai rangka stator sekaligus inti jangkar dan piringan rotor berbahan besi dengan magnet 12 permanen jenis neodymium (NdFeb) dengan susunan U-S yang ditanamkan pada slot yang dicetak pada inti ditempatkan diantara dua jangkar. Pada tiap inti jangkar masing-masing dipasangkan 12 kumparan kumparan. Dari hasil pengujian tanpa beban, tegangan output generator generator berubah secara linier dengan perubahan lebar celah udara. Dari hasil pengujian pada putaran 160 rpm, dihasilkan tegangan output tanpa beban sebesar 35,73 volt dan menurun secara linier dengan pertambahan lebar celah udara. Pada putaran 500 rpm, generator membangkitkan tegangan sebesar 87,6 volt pada frekuensi 50 Hz. Dari hasil pengujian, daya maksimum yang dihasilkan oleh generator berbanding lurus dengan pertambahan kecepatan.  
Strategi Rantai Pasok Industri Kecil Produk Rendang Tuna di Kota Padang: Studi Kasus pada Usaha Rendang Tuna Yonica Salsabila, Syafira; Hadiguna, Rika Ampuh; Jonrinaldi, Jonrinaldi
Integrasi : Jurnal Ilmiah Teknik Industri Vol 9, No 1 (2024): Integrasi : Jurnal Ilmiah Teknik Industri
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/js.v9i1.8233

Abstract

Salah satu aspek terpenting dalam meningkatkan daya saing Industri Kecil adalah pengelolaan rantai pasok. Permasalahan utama dalam rantai pasok Industri Kecil produk Rendang Tuna adalah belum adanya pemasok dan alokasi yang jelas dan terorganisir untuk menjamin kontinuitas pasokan ikan tuna. Tujuan utama penelitian ini adalah pengelolaan pasokan ikan tuna sebagai bahan baku utama untuk produksi rendang tuna yang meliputi pengembangan model pemilihan dan alokasi pemasok ikan tuna sehingga dapat meminimumkan total biaya pengadaan serta merumuskan strategi rantai pasok berbasis pengelolaan pemasok untuk meningkatkan daya saing Industri Kecil produk Rendang Tuna di Kota Padang. Model pemilihan dan alokasi pemasok dinamis dikembangkan dengan menggunakan pendekatan Mixed Integer Quadratic Programming dan perumusan strategi rantai pasok dirumuskan berbasis optimisasi pasokan ikan tuna menggunakan analisis SWOT. Penelitian ini telah menghasilkan model pemilihan dan alokasi pemasok dinamis dengan output model adalah keputusan pemilihan pemasok dan alokasi pasokan oleh setiap pemasok yang terpilih serta menghasilkan lima rumusan strategi rantai pasok berbasis optimisasi pasokan ikan tuna yang telah diurutkan berdasarkan prioritas untuk menjamin ketersediaan pasokan ikan tuna.
RANCANG BANGUN GENERATOR FLUKS AKSIAL MAGNET PERMANEN SATU FASA 12 KUTUB DENGAN STATOR GANDA Muhammad Khairul Amri Rosa; Jonrinaldi Jonrinaldi; Humiras Feryanson Sianipar
Jurnal Informatika dan Teknik Elektro Terapan Vol 11, No 3s1 (2023)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v11i3s1.3377

Abstract

Pada penelitian ini dikembangkan desain generator magnet permanen satu fasa fluks aksial dengan stator ganda untuk meningkatkan daya yang dibangkitkan oleh generator. Generator didesain menggunakan 12 kutub sehingga dapat digunakan pada pada putaran rendah yang biasanya dapat dihasilkan oleh sumber-sumber energi terbarukan. Desain generator yang dikembangkan pada penelitian ini terdiri dari 2 piringan cakram berbahan besi (Fe) sebagai rangka stator sekaligus inti jangkar dan piringan rotor berbahan besi dengan magnet 12 permanen jenis neodymium (NdFeb) dengan susunan U-S yang ditanamkan pada slot yang dicetak pada inti ditempatkan diantara dua jangkar. Pada tiap inti jangkar masing-masing dipasangkan 12 kumparan kumparan. Dari hasil pengujian tanpa beban, tegangan output generator generator berubah secara linier dengan perubahan lebar celah udara. Dari hasil pengujian pada putaran 160 rpm, dihasilkan tegangan output tanpa beban sebesar 35,73 volt dan menurun secara linier dengan pertambahan lebar celah udara. Pada putaran 500 rpm, generator membangkitkan tegangan sebesar 87,6 volt pada frekuensi 50 Hz. Dari hasil pengujian, daya maksimum yang dihasilkan oleh generator berbanding lurus dengan pertambahan kecepatan.  
A study on the operational performance of the Trans Padang bus Corridor VI (City center - Andalas University) Adji, Bayu Martanto; Jonrinaldi, Jonrinaldi; Masrilayanti, Masrilayanti; Narny, Yenny; Andriani, Andriani; Handayani, Putri Bian; Putri, Amalia Yunia
Journal of Integrated and Advanced Engineering (JIAE) Vol 4, No 1 (2024)
Publisher : Akademisi dan Saintis Indonesia (ASASI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51662/jiae.v4i1.131

Abstract

Trans Padang is an integrated highway bus system in Padang City that has operated since January 2014. Buses run every day from 06.00 WIB to 19.00 WIB. No literature has been cited. Trans Padang Corridor VI Bus serves the corridor Andalas University to the city center, and the route distance is ±13. 14 km. In this research, a study was carried out to determine whether the operations of the Trans Padang Corridor VI Bus were following the Decree of the Director General of Land Transportation No. SK.687/AJ.206/DRJD/2002. Six parameters were studied: load factor, headway, waiting time, travel time, stopping time at bus stops, bus speed, and bus fleets. Two methods were used to collect data: a dynamic and static survey. dynamic survey was carried out to record the departure and arrival times of buses at each bus stop, the number of passengers getting on and off, the distance traveled by the bus, the bus route, the bus stop, the bus travel time, and the bus stopping time. static survey is carried out to record the arrival and departure times of buses at certain stops. The study results show that only the waiting time parameters follow the technical instructions; the existing waiting time is 6.03, and in the technical instructions, the waiting time is set at 5-10 minutes.
Horticultural Supply Chain Models: Strategies, Challenges, and Marketing Approaches. Azmi, Azmi; Hadiguna, Rika Ampuh; Jonrinaldi, Jonrinaldi
Jurnal Agrinika: Jurnal Agroteknologi dan Agribisnis Vol 9 No 1 (2025): MARCH
Publisher : Kadiri University - Faculty of Agriculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/agrinika.v9i1.6451

Abstract

Indonesia's horticulture sector has undergone rapid expansion, driven by rising demand from both domestic and international markets. However, small-scale farmers continue to struggle with limited market access, price volatility, and high production costs, affecting their profitability and long-term sustainability. This study conducted a comprehensive literature review of 135 scientific articles to analyze three dominant supply chain models: direct marketing, contract farming, and cooperatives. Direct marketing allows farmers to secure higher prices by bypassing intermediaries but poses challenges in terms of operational scale, financial resources, and market access. Contract farming provides stability through guaranteed pricing, input support, and technical assistance, though profit distribution often favors contracting firms. Meanwhile, cooperatives offer better market access and collective bargaining power but require strong organizational structures to function effectively. The findings emphasize the importance of policies that support farmer education, improve market infrastructure, and encourage fair contractual agreements. Additionally, agribusiness stakeholders must invest in supply chain innovations and risk mitigation strategies to enhance efficiency and transparency. Strengthening these aspects is crucial for fostering a more resilient and sustainable horticultural sector in Indonesia
Pemetaan Komoditas Hortikultura Sebsektor Sayur-sayuran di Provinsi Sumatra Barat Azmi, Azmi; Hadiguna, Rika Ampuh; Jonrinaldi, Jonrinaldi
JURNAL AGRICA Vol. 18 No. 2 (2025): JURNAL AGRICA
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agrica.v18i2.13883

Abstract

This study aims to map the most potential vegetables to be developed in West Sumatra Province.The Location Quotient (LQ) method is employed to identify leading and non-leading commodities,while the Shift Share Analysis (SSA) is used to analyze structural changes and the competitivenessof the commodities. The study utilizes secondary data in the form of vegetable sub-sectorhorticultural production data by regency/city over a six-year period (2017–2022). The results showthat large chili is the leading vegetable commodity in West Sumatra, with an LQ value greater than1 across 17 regencies/cities. Conversely, garlic is categorized as a non-leading commodity, with anLQ > 1 found in only one regency. Nevertheless, garlic is identified as the most progressivecommodity based on the highest net shift value. Net growth of vegetable sub-sector commoditieswas identified in 10 out of 18 regencies/cities, with Solok Regency contributing the most. In termsof individual commodities, cabbage recorded the highest net growth, while chayote experienced thelowest. The resulting commodity mapping can serve as a basis for local government in formulatingspatial and sustainable development policies, as well as a strategic reference for businesses andinvestors in directing horticultural investments in West Sumatra.
Cost Estimation Analysis of Construction Projects on Simple Earthquake-Resistant Houses Rahman Arifin, Ari Syaiful; Jonrinaldi, Jonrinaldi
CIVED Vol. 11 No. 1 (2024): March 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i1.485

Abstract

Earthquakes are natural disasters that often hit Indonesia, causing various losses in human life, including damage to homes and places to live. Therefore, the importance of building earthquake-resistant houses cannot be ignored. The research aims to obtain a comparison of the estimated cost of a type 36 simple house construction project, by considering the comparison between conventional structures and structures that are strengthened to resist earthquakes. The data used involves working drawings, technical specifications, and work unit price analysis (AHSP) based on PUPR Ministerial Regulation No. 8 of 2023 and a list of unit prices for wages and materials for work in the Public Works and HSBGN sector for the 2022 fiscal year in the city of Padang. The cost estimation results show that for a simple house with a conventional structure, the construction cost is IDR 243,000,000, while for a simple house with earthquake-resistant reinforcement, the cost reaches IDR 251,800,000. This additional cost was caused by strengthening work on foundations, columns and beams, walls, and trusses. Even though there was an increase in costs of around 3.63%, this result can be a consideration for the community. It is important to realize that with relatively small additional costs, people can increase safety and comfort in building construction. The results of this research can be a strong basis for stakeholders in the construction and policy fields to consider safety and comfort as the main factors in developing housing infrastructure.
Comparison of Composting Method using Black Slodier Fly Larvae and Takakura Method on Compost Quality and Quantity Aziz, Rizki; Ruslinda, Yenni; Pratiwi, Hesti Anggia; Rahmi, Jumita; Jonrinaldi, Jonrinaldi
CIVED Vol. 11 No. 1 (2024): March 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i1.511

Abstract

Organic waste needs to be processed so as not to pollute the environment. Processing of organic waste can be done through composting. This study aims to see the effect of composting method using BSF larvae and composting using takakura method on the quality and quantity of compost produced. The variety of waste types in this study consisted of variations A (65% vegetable waste + 35% fruit waste) and B (60% vegetable waste + 40% food waste). Bioconversion using BSF larvae aged 7 days with bidaily litter as much as 0.5 kg for 14 days. The results of the analysis of the quantity, maturity, and quality of variations A1, A2, B1 and B2 meet compost standards according to SNI 19-7030-2004. The most optimal variation of the study (A2 variation). This variation produces compost for (20 days), the quality of physical and macro elements has met the quality standards of domestic waste compost and the quantity of compost produced is more than 1.10 kg.
RANCANG BANGUN GENERATOR FLUKS AKSIAL MAGNET PERMANEN SATU FASA 12 KUTUB DENGAN STATOR GANDA Rosa, Muhammad Khairul Amri; Jonrinaldi, Jonrinaldi; Sianipar, Humiras Feryanson
Jurnal Informatika dan Teknik Elektro Terapan Vol. 11 No. 3s1 (2023)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v11i3s1.3377

Abstract

Pada penelitian ini dikembangkan desain generator magnet permanen satu fasa fluks aksial dengan stator ganda untuk meningkatkan daya yang dibangkitkan oleh generator. Generator didesain menggunakan 12 kutub sehingga dapat digunakan pada pada putaran rendah yang biasanya dapat dihasilkan oleh sumber-sumber energi terbarukan. Desain generator yang dikembangkan pada penelitian ini terdiri dari 2 piringan cakram berbahan besi (Fe) sebagai rangka stator sekaligus inti jangkar dan piringan rotor berbahan besi dengan magnet 12 permanen jenis neodymium (NdFeb) dengan susunan U-S yang ditanamkan pada slot yang dicetak pada inti ditempatkan diantara dua jangkar. Pada tiap inti jangkar masing-masing dipasangkan 12 kumparan kumparan. Dari hasil pengujian tanpa beban, tegangan output generator generator berubah secara linier dengan perubahan lebar celah udara. Dari hasil pengujian pada putaran 160 rpm, dihasilkan tegangan output tanpa beban sebesar 35,73 volt dan menurun secara linier dengan pertambahan lebar celah udara. Pada putaran 500 rpm, generator membangkitkan tegangan sebesar 87,6 volt pada frekuensi 50 Hz. Dari hasil pengujian, daya maksimum yang dihasilkan oleh generator berbanding lurus dengan pertambahan kecepatan.  
Implementasi Sistem Pendukung Pengambilan Keputusan pada Pembelian Bahan Olahan Karet dari Pemasok Luthvina, Ridha; Hadiguna, Rika Ampuh; Jonrinaldi, Jonrinaldi
Tapis: Jurnal Penelitian Ilmiah Vol 3 No 1 (2019): Tapis : Jurnal Penelitin Ilmiah
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat of Universitas Islam Negeri Jurai Siwo Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32332/tapis.v3i1.1469

Abstract

The need for high-quality crumb rubber in West Sumatra tends to increase. However, the amount and quality of rubber from suppliers belong to weak caused by the bad monitoring systems, the supply cannot be met properly, and there is a lot of shrinkage in rubbers purchased by the company. Therefore this research was carried by implementing the Decision Support System (DSS) which was expected to help facilitate supplier data searches and evaluate the supplier's performance. The first stage in this research was designing DSS included the use of Unified Modeling Language (UML) diagram and database design. Next, built an applicable software using Personal Home Page (PHP), My Structured Query Language (MySQL), and Apache. An advantage of DSS designed was to accommodate differences and changes in rubber supplier assessment criteria according to the consideration of each crumb rubber industry in West Sumatra. There were 3 of 11 main crumb rubber criteria assessed. The results of these 3 criteria were obtained highest weight, namely Dryness (0.18), cleanliness (0.15), and consistency of quality (0.10). While the previous performance obtained the lowest weight (0.05). This meant that the criteria of dryness, cleanliness, and consistency of quality, will be the main considerations for companies in ranking and evaluating suppliers who work with companies.
Co-Authors AA Sudharmawan, AA Adri Wislawawan Afri Adnan Afrinaldi, Feri Ahmad S. Indrapriyatna Ahmad Syafruddin Alexie Herryandie Alfadhlani Alizar Hasan Andriani Andriani anwardi, anwardi Asmuliardi Muluk Azmi, Azmi AZMI, AZMI Beriyadi, Agung Berry Yuliandra Daimon Syukri Desto Jumeno Dicky Fatrias Difana Meilani Dody Ichwana Putra Elita Amrina Eri Wirdianto Hadigufri Triha Hadigufri Triha Hanafi Hanafi Hanafi Hanafi Handayani, Putri Bian Henmaidi Henmaidi Henmaidi Henmaidi Herman Herman Hilma Raimona Zadry Humiras Feryanson Sianipar Ikhwan Arief Indrapriyatna, Ahmad Syafruddin Irsyadul Halim Isna Juwita Kamil, Insannul Khairul Ihwan, Khairul Koto, Yunesman Lusi Susanti Luthvina, Ridha Masrilayanti, Masrilayanti Muhammad Khairul Amri Rosa Narny, Yenny Nilda Tri Putri Nofrita Nofrita Nurike Oktavia Pratiwi, Hesti Anggia Prima Fithri Putri, Amalia Yunia Rahman Arifin, Ari Syaiful Rahmi, Jumita Raimona Zadry, Hilma reinny patrisina Ridha Luthvina Rika Ampuh Hadiguna Rizki Aziz Rosa, Muhammad Khairul Amri Salsabila, Syafira Saputra Saputra, Riky Sianipar, Humiras Feryanson Supriani, Fepy Suryat Handoko Susiana Susiana Taufik Taufik Taufiq Rahman Wislawawan, Adri Wisnel Wisnel Yenni Ruslinda Yohanna Safari