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All Journal Jurnal Teknologi Industri Pertanian Jurnal Teknik Industri AGRIPITA: Jurnal Agribisnis dan Pembangunan Pertanian Jurnal Sosial Ekonomi Pertanian Jurnal Tumbuhan Obat Indonesia Jurnal Rekayasa Sistem Industri Agrointek CEMARA SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Teknologi Informasi dan Ilmu Komputer Jurnal Optimasi Sistem Industri Journal Industrial Servicess Jurnal Agroindustri JURNAL MANAJEMEN TRANSPORTASI & LOGISTIK Daya Saing : Jurnal Ilmu Manajemen Sistemasi: Jurnal Sistem Informasi Industria: Jurnal Teknologi dan Manajemen Agroindustri JOIV : International Journal on Informatics Visualization JOURNAL OF INDUSTRIAL AND MANUFACTURE ENGINEERING Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Seminar Nasional Teknologi Informasi Komunikasi dan Industri Justek : Jurnal Sains Dan Teknologi Edukasi Islami: Jurnal Pendidikan Islam Jurnal Teknologi Pertanian Jurnal Rekayasa Sipil Journal of Agribusiness and Local Wisdom Journal of Agribusiness and Community Empowerment (JACE) JURNAL AGRICA Agroteknika JURNAL REKAYASA Inersia : Jurnal Teknik Sipil Journal of Applied Engineering and Technological Science (JAETS) Journal of Environmental Science and Sustainable Development Jurnal Rekayasa Industri (JRI) Jurnal Agrinika : Jurnal Agroteknologi dan Agribisnis Jurnal Manajemen Pendidikan dan Ilmu Sosial (JMPIS) Jurnal Manajemen Transportasi & Logistik (JMTRANSLOG) Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Journal of Applied Computer Science and Technology (JACOST) INVENTORY : Industrial Vocational E-Journal On Agroindustry Jurnal Amplifier: Jurnal Ilmiah Bidang Teknik Elektro dan Komputer Journal of Science and Technology Andalasian International Journal of Applied Science, Engineering, and Technology AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) INTERNATIONAL JOURNAL OF EDUCATION, INFORMATION TECHNOLOGY, AND OTHERS Jurnal ARTI : Aplikasi Rancangan Teknik Industri Jurnal Terapan Pemerintahan Minangkabau Profisiensi : Jurnal Program Studi Teknik Industri Journal of Scientech Research and Development Jurnal Andalas: Rekayasa dan Penerapan Teknologi Journal of International Conference Proceedings Cross-border Jurnal Pengabdian Pada Masyarakat Integrasi : Jurnal Ilmiah Teknik Industri Jurnal Bangunan: Konstruksi & Desain Journal of Civil Engineering and Vocational Education Jurnal Pendidikan Progresif Jurnal Keilmuan dan Aplikasi Teknologi Industri Tapis : Jurnal Penelitian Ilmiah Jurnal Keilmuan dan Aplikasi Teknologi Industri
Rika Ampuh Hadiguna
Universitas Andalas
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Supply Chain Conceptual Model to Optimize a Local Food Agroindustry from the Coconut Milk Processing Meilizar Meilizar; Rika Ampuh Hadiguna; Santosa Santosa; Nofialdi Nofialdi
Journal of Applied Engineering and Technological Science (JAETS) Vol. 6 No. 1 (2024): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v6i1.5820

Abstract

This study uses a soft system methodology to examine the coconut milk supply chain, which supports the local food agro-industry, particularly for rendang products. It aims to develop a fundamental concept to optimize this supply chain. The proposed method is effective for addressing complex, multi-stakeholder problems. Using systems thinking, real-world system behaviour is converted into a conceptual model, facilitating decision-making through customer, actor, transformation, worldview, owner, and environment components. The findings include a conceptual model translated into a causal loop diagram, part of a dynamic systems approach, which shows the interconnections and feedbacks among variables in the supply chain, such as raw material supply, logistics costs, production volume, and distribution costs. This stage identifies stakeholders and systematically illustrates the relationships in managing the flow of goods. It provides a basis for designing a supply chain network aligned with local government policies for developing the coconut milk agro-industry. It aims to optimize the local food industry, particularly rendang, in West Sumatra province. After creating the conceptual model, gap analysis and validation were conducted, comparing the model with real-world insights from stakeholders, including coconut farmers, producers, rendang manufacturers, academic institutions, and local governments. Validation focused on efficiency, efficacy, and effectiveness. The results demonstrate the foundational idea for designing the coconut milk agro-industry supply chain network to support local food products, as depicted in the causal loop diagram.
Pengaruh Non-Automatic Repeat Request (Arq) Mode Terhadap Packet Error Rate Pada Drone-Based Wireless Sensor Network Rahmadya, Budi; Ampuh Hadiguna, Rika
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 12 No 3: Juni 2025
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2025129373

Abstract

Penelitian ini membahas tentang performa dari 2.4 GHz Zigbee wireless antenna untuk aplikasi wide-area wireless sensor network. Transmitter antenna di install pada drone sebagai media mobile wireless sensor network dan receiver antenna berada di lokasi tertentu pada lingkungan luar ruangan. Setingan alat untuk transmitter antenna dan receiver antenna yaitu non-Automatic Repeat Request (ARQ) mode sehingga data yang di terima oleh receiver dalam experimen ini nanti bisa menjadi perbandingan dengan hasil perhitungan teoritis menggunakan Matlab. Non-ARQ menjadi alternative untuk mengurangi konsumsi energi pada jaringan wireless sensor network. Dalam experimen ini dilakukan model point-to-point communication. Dari hasil experimen diperoleh jarak 0m-100m nilai dari Packet Error Rate (PER) untuk masing-masing ketinggian drone meningkat mencapai 17-18%. Lebih lanjut pada jarak 100m-150m nilai PER mengalami penurunan yaitu 15-16% untuk tiga ketinggian drone yang berbeda. Mulai dari jarak 150m-250m nilai PER mengalami kenaikan yang siginifikan, hingga mencapai PER 70% untuk ketinggian drone 30m,  PER 80% untuk ketinggian drone 45m dan PER 88% untuk ketinggian drone 15m. Pada jarak 250m-350m nilai PER terlihat masih konstan untuk ketinggian drone 45m dan ketinggian 30m yaitu mencapai nilai PER 78% pada jarak 350m, sedangkan untuk ketinggian drone 15m menunjukan nilai PER naik hingga mencapai 98% pada jarak 350m. Hasil simulasi dengan Matlab menunjukan Received Signal Strength Indicator (RSSI) terhadap jarak transmitter antenna dengan receiver antenna untuk ketinggian transmitter antenna 15m dan receiver antenna 1.5m. nilai RSSI terus meningkat -66 dBm pada jarak 20m dan ini adalah nilai RSSI terbaik. Lebih lanjut untuk ketinggian transmitter antenna 30m dan receiver antenna 1.5m. Nilai RSSI terus meningkat -73 dBm pada jarak 45m dan ini adalah nilai RSSI terbaik. Pada jarak 3m nilai RSSI terus meningkat -76 dBm pada jarak 62m dan ini adalah nilai RSSI terbaik.   Abstract This research discusses the performance of the 2.4 GHz Zigbee wireless antenna for wide-area wireless sensor network applications. The transmitter antenna is installed on the drone as a mobile wireless sensor network medium and the receiver antenna is located in a certain location in the outdoor environment. The device settings for the transmitter antenna and receiver antenna are non-Automatic Repeat Request (ARQ) mode so that the data received by the receiver in this experiment can later be compared with the results of theoretical calculations using Matlab. Non-ARQ is an alternative to reduce energy consumption in wireless sensor networks. In this experiment, a point-to-point communication model was carried out. From the experimental results, it was found that at a distance of 0m-100m, the Packet Error Rate (PER) value for each drone height increased by 17-18%. Furthermore, at a distance of 100m-150m, the PER value experienced a slight decrease, namely 15-16% for three different drone heights. Starting from a distance of 150m-250m, the PER value experiences a significant increase, reaching a PER of 70% for a drone height of 30m, a PER of 80% for a drone height of 45m and a PER of 88% for a drone height of 15m. At a distance of 250m-350m, the PER value appears to remain constant for a drone height of 45m and a height of 30m, namely reaching a PER value of 78% at a distance of 350m, while for a drone height of 15m, the PER value increases to reach 98% at a distance of 350m. The simulation results with Matlab show Received Signal Strength Indicator (RSSI) to the distance between the transmitter antenna and the receiver antenna for a transmitter antenna height of 15m and receiver antenna height of 1.5m. The RSSI value continues to increase -66 dBm at a distance of 20m and this is the best RSSI value. Furthermore, the height of the transmitter antenna is 30m and the receiver antenna is 1.5m. The RSSI value continues to increase -73 dBm at a distance of 45m and this is the best RSSI value. At a distance of 3m the RSSI value continues to increase -76 dBm at a distance of 62m and this is the best RSSI value.
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
Demographic analysis for agroecology adoption in sugar palm agroindustry: evidence from Deli Serdang Regency Yani, Farida; Syahni, Rahmat; Nazir, Novizar; Lee, Tzong-Ru (Jiun-Shen); Hadiguna, Rika Ampuh
AGROINTEK Vol 19, No 3 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i3.29341

Abstract

This study explores the potential of agroecology in developing a sustainable sugar palm agroindustry in Deli Serdang Regency, North Sumatra, Indonesia. The sugar palm (Arenga pinnata) is a vital economic resource, yet its development faces limited technology, traditional management practices, and low-quality seed availability. The research aims to analyze the demographic characteristics influencing the adoption of agroecological principles among sugar palm craftsmen and assess the agroindustry's sustainability and productivity. A qualitative descriptive approach was employed, involving in-depth interviews with 100 respondents, including sugar palm farmers and craftsmen, alongside secondary data from the Central Statistics Agency. The findings reveal that most artisans are in the productive age group, with low formal education but significant practical experience. While 65% of respondents practice crop diversification, challenges remain in soil conservation and adopting environmentally friendly technologies. The study forecasts increased palm sugar production, projecting growth from 664.4 tons in 2022 to 790.8 tons by 2026, indicating potential for enhanced productivity. Integrating traditional knowledge with modern agroecological practices is essential for improving sustainability and competitiveness in the sugar palm agroindustry. Training programs that respect traditional values while promoting sustainable practices are necessary to empower artisans and enhance regional food security. This research underscores the importance of community collaboration among farmers, government, and research institutions to foster a more resilient and equitable agroecological system.
Analysis of Stakeholder Collaboration in Local Rice Seed Governance in West Sumatra: Fuzzy Delphi Approach to Improve Food Security and Sustainable Agriculture Masruri, -; Hadiguna, Rika Ampuh; Suliansyah, Irfan; Henmaidi, -
JOIV : International Journal on Informatics Visualization Vol 9, No 4 (2025)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/joiv.9.4.3499

Abstract

Local rice seeds are crucial to Indonesia's food security and agricultural sustainability, especially in West Sumatra. Seed management has yet to achieve seed independence, hindering the development of breeders and seed users. Overcoming this requires collaboration between stakeholders because locals can take collective responsibility and build trust in the Government through collaborative seed governance. This study introduces the concept of assessing the level of collaboration between stakeholders to analyze the stages of cooperation currently occurring in the governance of local rice seeds in West Sumatra. This study employs a mixed-methods approach, combining quantitative and qualitative methods. The study involved interviews with experts and a literature review, identifying 14 indicators influencing collaboration in seed governance. After validation by 5 (five) Experts, 13 (thirteen) indicators were obtained for further analysis using the Fuzzy Delphi, which was applied through a questionnaire distributed to 30 (thirty) informants representing stakeholders in five Regencies/Cities selected purposively in West Sumatra Province. The results were analyzed using a Likert scale and converted to fuzzy logic. These indicators are categorized into 5 (five) characteristics of collaboration. This study found that the level of collaboration between stakeholders is at the "cooperation" stage, which shows a significant lack of effectiveness in the interaction between stakeholders. This study offers valuable insights for stakeholders to enhance the collaborative process of local rice seed management, thereby achieving food security and sustainable agriculture.
A Review of the Application of the Nearly Zero Energy Building Concept in Different Climates Akbar, Fajril; Nazir, Refdinal; Ampuh Hadiguna, Rika
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 3 No. 3 (2023): November 2023
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v3i3.91

Abstract

The building sector consumes about 30% of the world's primary energy demand. Conventionally, reducing building energy consumption is done through energy saving or energy conservation activities. Nearly zero energy building (nZEB) itself can be defined as a provision that implies a value of energy consumption that is as low as possible or an energy-efficient building, then determines the energy source that is able to meet these energy needs. These strategies can generally be done with passive design, active design, and comprehensive energy management approaches [6]. This article presents an overview of the implementation of nZEB and finds out the shortcomings in terms of strategies and techniques used for different types of buildings and climates. Given the differences in climate and building characteristics, we found that each region has different challenges in applying the nZEB concept.
Hybrid Model of Fuzzy Logic and Genetic Algorithm for Product Assembly Sequence Optimization Deswinda, Novi; Hadiguna, Rika Ampuh; Sirivongpaisal, Nikorn
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 4 No. 1 (2024): March 2024
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v4i1.104

Abstract

The sequence of product assembly affects the efficiency and effectiveness of production because it reduces cycle time and production costs and reduces production errors. The application of artificial intelligence is growing to optimize the problem of assembly sequences of components or products, including genetic algorithms and fuzzy logic. These two models can complement each other to produce the best assembly sequence. This research consists of several stages: model formulation, model analysis, solution, and model verification and validation. A hybrid fuzzy and genetic algorithms model can optimize product assembly sequences more effectively and efficiently. Fuzzy logic can help determine the variables that must be optimized, while genetic algorithms can help find the optimal solution by combining these variables. Experiments using hybrid fuzzy logic and genetic algorithms to minimize assembly cycle time have resulted in product part assembly sequences that accommodate all geometric constraints, including assistive devices.
Pemodelan Biaya Reverse Logistics Pada Pengelolaan Kemasan Minyak Goreng Ramadhany, Rahmi; Hadiguna, Rika Ampuh; Indrapriyatna, Ahmad Syafruddin; Viarani, Suci Oktri
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol. 4 No. 1 (2023)
Publisher : Politeknik ATI Padang

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

Abstract

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.
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.
Rancang Bangun Antena Mikrostrip Rectangular Patch dengan Substrate Ganda Fernandez, Rudy; Hadiguna, Rika Ampuh
Jurnal Andalas: Rekayasa dan Penerapan Teknologi Vol. 4 No. 2 (2024): Desember 2024
Publisher : Electrical Engineering Department Faculty of Engineering Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jarpet.v4i2.94

Abstract

Penelitian ini bertujuan untuk merancang bangun antena mikrostrip dengan bandwith yang lebih lebar agar dapat bekerja pada pita frekuensi 40 LTE. Substrat ganda digunakan untuk mengatasi karakteristik bandwidth sempit dari antenna mikrostrip. Substrat yang ditambahkan memiliki jenis dan ukuran yang sama dengan substrat pada antena elemen tunggal yaitu FR4 yang memiliki konstanta dielektrik 4,4 dan ketebalan 1,6 mm.
Co-Authors - Afrizal A. Heri Iswanto Afri Adnan Afrinaldi, Feri Afrizal Afrizal Agus Sutanto Agus Wibowo Agus Wibowo Agus Wibowo Ahmad Syafruddin Akbar, Ricky Al Fajri Alexie Herryandie Alfadhlani Algifari, Arif Alizar Hasan Amrina, Elita Andrew Kurniawan Vadreas Anugrah, Ibnu Arham, Aulia Asmuliardi Muluk Astiena, Adila Kasni Aulia Rahman AZIZAH, NURUL QOLBI EL AZMI, AZMI Azmi, Azmi B.A, Alexie Herryandie Berry Yuliandra Budi Rahmadya Cahyadi, Tedy Agung Dedet Deperiky Dedy Irfan Des Indri Prihantony Desto Jumeno Deswinda, Novi Dicky Fatrias Difana Meilani Dina Rahmayanti Elita Amrina Eri Wirdianto Fadilla Azmi Faisal Ashar Fajril Akbar Farida Yani Firwan Tan Fitri Nauli Ghani Arrasyid Zulkarnaen Gunarif Taib Hafizah Hanim Hanalde Andre Hardiansyah Hardiansyah Hardisman Hariselmi Hariselmi Henmaidi Henmaidi Henmaidi Henmaidi Henmaidi Henmaidi, - Henmaidi, Henmaidi Hermiza Mardesci Hilma Raimona Zadry Honesti, Dea Humala Napitupulu Ikhwan Arief Imansuri, Febriza Imelda Yunita Indrapriyatna, Ahmad Syafruddin Insannul Kamil, Insannul Irfan Suliansyah Jonrinaldi Kamil, Insannul Kimberly Febrina Kodrat Lady Lisya Lady Lisya Laksono, Heru Dibyo Lee, Tzong-Ru (Jiun-Shen) Leffy Hermalena Lusi Susanti Luthvina, Ridha Machfud Machfud Machfud Machfud Malikul Mulki Nasni Marimin , Marimin Marimin Marisa, Julia Masruri Masruri Masruri Masruri Masruri, - Meilizar, Meilizar Meilizar, Meilizar Melinda Noer Mia Monasari Mia Monasari Muhammad Arif Muhammad Arif Muhammad Faisal Muhammad Ruhul Muluk, Asmuliardi Nadia Yefika Nesti, Lisa Nikorn Sirivongpaisal Nilda Tri Putri Nofialdi, Nofialdi Nofialdi, Nofialdi Nofirza, Nofirza Novi Deswinda Novizar Nazir Ophiyandri, Taufika Ophiyandri, Taufika Patrisina, Reinny Patrisina, Rienny Pattasang Pattasang Prihantony, Des Indri Prima Fithri Putra, Havis Dwi Putra, Yocky Syaida Adha Putri, Ratna Effiliani RAHMAT SYAHNI Rahmi Ramadhany Rakha Satya Idsan Ramadhany, Rahmi Ranny Medola Putri Ratna Effiliani Putri Refdinal Nazir reinny patrisina Ridha Luthvina Rika Ernawati Rima Semiarty Rudy Fernandez Ruhul, Muhammad Ruri Kurnia Ruri Kurnia, Ruri Sabda Alfath Salsabila, Syafira Sandra Melly Santosa Santosa Santosa Santosa Santosa Santosa Santosa Santosa Satria, Trinda Farhan Siregar, Rahmad Syukur Sirivongpaisal, Nikorn Suci Oktri Viarani Suci Oktri Viarani, Suci Oktri Sukaria Sinulingga Sukma Nirad, Dwi Welly Syari Rahma Yanti Tanjung, Lailatul Syifa Taufik Taufik Taufik Taufik Trisna Mesra Trisna Mesra, Trisna Wahyudi Winny Zilkhalida Hadi Wisnel Wisnel Yani, Farida Zulqa, Rahma