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All Journal Jurnal Teknik Industri TEKMAPRO Journal of Industrial Engineering and Management JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) JPM17: Jurnal Pengabdian Masyarakat Heuristic JHP17 (Jurnal Hasil Penelitian) Metode : Jurnal Teknik Industri Jurnal DISPROTEK JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) Jurnal InTent: Jurnal Industri dan Teknologi Terpadu Jurnal Leverage, Engagement, Empowerment of Community (LeECOM) Jurnal Teknik Industri Terintegrasi (JUTIN) Indonesian Journal of Engineering and Technology (INAJET) Jurnal Surya Teknika Jurnal Senopati : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering Industrika : Jurnal Ilmiah Teknik Industri Jurnal Media Informatika JURNAL TEKNIK INDUSTRI Acitya Wisesa: Journal of Multidisciplinary Research Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Journal Industrial Engineering and Management (JUST-ME) Journal of Artificial Intelligence and Digital Business Widya Teknik
Hery Murnawan, Hery
Fakultas Teknik, Universitas 17 Agustus 1945 Surabaya
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering 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 Mathematics Mechanical Engineering Nursing Physics Public Health Social Sciences Other

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SIMULASI SISTEM DINAMIS MENGENAI PENGGUNAAN PUPUK SEMI ORGANIK UNTUK MENINGKATKAN PROFITABILITAS Handayani, Santi Amalia; Murnawan, Hery
Journal Industrial Engineering and Management (JUST-ME) Vol. 6 No. 02 (2025): Journal Industrial Engineering and Management (JUST-ME)
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/just-me.v6i02.131

Abstract

Dynamic systems are a modeling approach to understanding the behavior of complex systems that change over time through cause-and-effect relationships between variables. In agricultural practice, fertilization is an important part of crop care, where some of the need for chemical fertilizers is met through government subsidies. However, the remaining needs must be met with high-priced non-subsidized fertilizers, resulting in increased operational costs. This condition also occurs in Gombang Village, one of the villages located in Pakel District, Tulungagung Regency, which faces similar challenges in managing agricultural costs, so the dynamic systems approach is relevant to analyzing the effectiveness of fertilizer use in increasing farmer profitability in the area. This dynamic system is carried out with the help of STELLA software, STELLA is used to design a strategy to increase profitability by compiling two scenarios. The first scenario, the use of superior seeds increases the average profitability by 31,271,686,263. The second scenario, the use of semi-organic fertilizers increases the average profitability by 38,494,816,533.
ANALISIS FAKTOR PENENTU PRODUKTIVITAS DALAM PERTANIAN PADI MENGGUNAAN PENDEKATAN SMARTPLS Narendradhipa Dhama Nismara; Murnawan, Hery
Journal Industrial Engineering and Management (JUST-ME) Vol. 6 No. 02 (2025): Journal Industrial Engineering and Management (JUST-ME)
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/just-me.v6i02.133

Abstract

Analisis faktor-faktor yang mempengaruhi produktivitas pertanian padi dilakukan dengan menggunakan pendekatan Partial Least Squares Structural Equation Modeling (SmartPLS). Observasi dilakukan dengan penyebaran kuesioner kepada petani di Desa Senjayan, Kabupaten Nganjuk untuk mengidentifikasi hubungan kausal antar variabel. Hasil outer model menunjukkan bahwa sebagian besar indikator valid dan reliable, kecuali A4, B1, B2, dan B3. Secara struktural variabel Person pada tingkat pendidikan (A2) terbukti berpengaruh secara signifikan terhadap adaptasi teknologi (A3) yang kemudian berkontribusi pada peningkatan efisiensi biaya operasional. Nilai R-square sebesar 0,682 mengindikasikan bahwa model mampu menjelaskan 68,2% variabilitas profitabilitas petani. Dengan demikian penelitian ini bertujuan untuk meningkatkan produktivitas pertanian khususnya pada tanaman pangan padi dengan pendekatan SmartPLS efektif digunakan untuk memetakan dan menganlisis faktor-faktor utama dalam pengembangan strategi dan pengambilan keputusan yang tepat untuk pertanian secara berkelanjutan.
PENDEKATAN SISTEM DINAMIS DALAM PENYUSUNAN STRATEGI OPTIMAL UNTUK PENINGKATAN PRODUKTIVITAS DAN PENDAPATAN PETANI DESA TAMPINGMOJO Reznandya Putri Septyawati; Murnawan, Hery
Journal Industrial Engineering and Management (JUST-ME) Vol. 6 No. 02 (2025): Journal Industrial Engineering and Management (JUST-ME)
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/just-me.v6i02.148

Abstract

Agriculture is a crucial sector in Tampingmojo Village, where approximately 60.94% of the area comprises rice fields. However, declining crop productivity each year due to factors like fertilizer use, seed quality, and cultivation practices poses a threat to local food security. This research aims to formulate an optimal scenario model to enhance farmer productivity and profits using a dynamic systems approach. The model was developed through stages including CLD and SFD construction, validation, sensitivity analysis, scenario establishment, and selection of the best scenario. Fertilizer and seed variables were prioritized due to their significant impact on productivity and profit. Historical data from 2019–2023 served as the base model for validation and testing. Simulation using STELLA revealed that Scenario 3, applying optimal doses of urea and phonska combined with organic fertilizer substitution, is the most effective. This scenario increased productivity by 18.10% (Inpari, MT 1), 19.95% (Ciherang, MT 2), and 21.94% (Pioneer, MT 2 & 3), while raising profits by 78.72% (Inpari, MT 1 & 2) and 63.73% (Bisi, MT 2 & 3) compared to existing conditions. Thus, this scenario is recommended as a policy direction to support improved productivity, farmer income, and strengthen local food security.
Model Skenario Sistem Dinamis Penggunaan Pupuk Organik guna Tercapainya Ketahanan Pangan Berkelanjutan Rahmawati, Yulia; Murnawan, Hery
Jurnal Media Informatika Vol. 6 No. 4 (2025): Jurnal Media Informatika
Publisher : Lembaga Dongan Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/jumin.v6i4.6545

Abstract

Blitar merupakan kabupaten penghasil bahan pangan yang aktif di Provinsi Jawa Timur. Salah satu kecamatan yang turut berkontribusi dalam penghasil bahan pangan ialah Kecamatan Talun, khususnya Desa Bendosewu. Mayoritas petani pada desa ini menanam padi, jagung, dan cabai rawit. Seiring dengan bertambahnya penduduk, kebutuhan akan pangan juga akan meningkat. Hal ini akan menjadi tantangan bagi masa yang akan datang. Ketahanan pangan berkelanjutan dapat menerapkan mendefinisikan melalui pendekatan Triple Bottom Line (People, Planet, Profit). Penelitian ini bertujuan untuk membuat skenario model sistem dinamis dengan stella. Dengan metode sistem dinamis akan diketahui skenario yang paling optimal dari faktor yang paling berpengaruh yang dapat meningkatkan profit petani di Desa Bendosewu. Skenario dapat digunakan sebagai pertimbangan bagi stakeholder  untuk meningkatkan pendapatan  petani dan tercapainya ketahanan pangan yang berkelanjutan. Pada Desa Bendosewu, rata-rata keuntungan awal sebesar Rp.45.074.170.765. Skenario usia petani dengan adaptasi teknologi mampu meningkatkan sebesar 1,437%, penggunaan pupuk sebesar 18,654%, dan penggunaan jenis bibit jagung sebesar 8,916%. Skenario paling optimal adalah skenario gabungan dari keselurahan faktor dengan persentase sebesar 26,946%.
Simulasi Model Dinamis Optimalisasi Profit Guna Tercapainya Ketahanan Pangan Yang Berkelanjutan Di Desa Kamulan Razana, Sharfina; Murnawan, Hery
Jurnal Media Informatika Vol. 6 No. 4 (2025): Jurnal Media Informatika
Publisher : Lembaga Dongan Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/jumin.v6i4.6635

Abstract

Kabupaten Blitar merupakan salah satu wilayah di Provinsi Jawa Timur yang memiliki potensi besar dalam sektor pertanian, dengan nilai Indeks Ketahanan Pangan sebesar 86,43 pada tahun 2024. Tercapainya ketahanan pangan berkelanjutan terdapat tantangan pada tiga pilar utama berkelanjutan: ekologi (panet), ekonomi (profit), dan sosial (person). Penelitian ini dilakukan dengan menggunakan pendekatan sistem dinamis dengan tiga sub model yang mencerminkan keberlanjutan: people, planet, profit. Penggunaan pendekatan model dinamis memungkinkan untuk menganalisis keterkaitan antara variable jenis komoditas, hasil produksi, biaya operasional, serta pendapatan petani dalam sistem pertanian di Desa Kamulan, sehingga memungkinkan menyusun simulasi berbagai skenario. Penelitian ini bertujuan untuk menganalisis model skenario adaptasi teknologi modern, penggunaan varietas unggul bibit jagung dan substitusi pupuk cair organik urin kambing untuk mengetahui skenario mana yang dapat menghasilkan keuntungan optimal guna mencapai ketahanan pangan berkelanjutan di Desa Kamulan. Skenario adaptasi penggunaan teknologi modern mampu meningkatkan keuntungan petani keseluruhan sebesar 1.06%, skenario penggunaan varietas unggulan bibit jagung yang mampu meningkatkan keuntungan petani keseluruhan sebesar 2.56% dan skenario subtitusi penggunaan pupuk organik cair urin kambing yang mampu meningkatkan keuntungan petani keseluruhan sebesar 1%. Model skenario yang menghasilkan keuntungan optimal terdapat pada skenario penggantian varietas unggul bibit jagung yang dapat meningkatkan keuntungan petani dari Rp. 79.367.510.698 menjadi Rp. 81.450.120.501.
Analysis of Flour Inventory Control Strategy as Raw Material for Shrimp Crackers Using Markov Chain Sukmono, Tedjo; Hartanti, Lusia Permata Sari; Murnawan, Hery; Jamaluddin, Jamaluddin
Widya Teknik Vol. 24 No. 2 (2025): November
Publisher : Fakultas Teknik, Universitas Katolik Widya Mandala Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33508/wt.v24i2.6132

Abstract

Abstract: One of the important challenges the industry faces is the problem of raw material inventory, so good inventory management is essential. This management results in the emergence of inventory costs comparable to the company's operational costs. Inventory deviations in an industry can be in the form of less or more inventory caused by inaccurate inventory calculations, such as those experienced by PT SLU. The condition of PT SLU shows that the products produced have decreased while raw materials have an excess inventory of more than 15,000 kg. This study aims to determine the quantity of flour raw materials to achieve optimal inventory costs at PT SLU. The method used is the Markov chain and enumeration method to determine the optimal amount of raw materials to reduce costs. The research findings indicate that policy 58 yields the lowest expected cost of Rp. 32,463,360 compared to other policies. Therefore, it is suggested that improvements be implemented, such as if the system is in states 3, 4, 5, or 6, for long-term policy. This condition can help companies create strategies to reduce overstock, particularly of raw flour materials.
Pendekatan Sistem Dinamis untuk Pengelolaan Lingkungan Pertanian dalam Meningkatkan Profit dan Ketahanan Pangan Berkelanjutan Isa Melandari, Nabila Dwi; Murnawan, Hery
Jurnal Media Informatika Vol. 6 No. 5 (2025): Edisi Sep - Oktober 2025
Publisher : Lembaga Dongan Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/jumin.v6i5.6566

Abstract

Desa Pasirharjo dalam penelitian ini dianalisis bertujuan untuk merancang strategi ketahanan pangan berkelanjutan melalui pendekatan sistem dinamis, dengan studi kasus di Desa Pasirharjo, Kecamatan Talun, Kabupaten Blitar. Fokus utama penelitian adalah pengurangan penggunaan pupuk dan pestisida kimia, peningkatan pH tanah, serta optimalisasi hasil pertanian guna meningkatkan profitabilitas petani dan menjaga keberlanjutan sistem pertanian desa. Metode penelitian melibatkan analisis faktor menggunakan SmartPLS untuk mengidentifikasi variabel-variabel kunci, serta pemodelan sistem dinamis dengan bantuan software STELLA untuk mensimulasikan skenario kebijakan. Hasil penelitian menunjukkan bahwa di Desa Pasirharjo, pengurangan pupuk kimia sebesar 20–30% dan peralihan ke pupuk organik dapat menurunkan biaya produksi hingga 32%/tahun atau sekitar Rp1,068,635,888/tahun. Penggunaan pestisida nabati juga memberikan dampak positif, meskipun belum seefektif strategi pengelolaan pupuk dan pH tanah. Oleh karena itu, pelatihan, pendampingan, dan penguatan kapasitas petani menjadi hal yang diperlukan. Secara keseluruhan, model sistem dinamis terbukti efektif dalam merancang kebijakan pertanian berkelanjutan yang mampu meningkatkan efisiensi, produksi, dan ketahanan pangan desa. Kata Kunci: Ketahanan pangan, sistem dinamis, pupuk organik, pestisida nabati, biaya produksi, profitabilitas petani.
System Dynamics Simulation of Semi-Organic Fertilizer and Pest Management Scenarios to Enhance Sustainable Food Security in Bungur Village Amanda Dian Rahmawati; Murnawan, Hery
Indonesian Journal of Engineering and Technology (INAJET) Vol. 8 No. 1 (2025): September 2025
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v8n1.p25-32

Abstract

This study investigates agricultural sustainability and food security in Bungur Village, Nganjuk Regency, East Java, by addressing critical challenges such as an aging farming population, heavy reliance on chemical fertilizers, and recurring pest infestations. To identify key determinants, Structural Equation Modelling–Partial Least Squares (SEM–PLS) was employed, while system dynamics modeling using STELLA software was applied to simulate three alternative intervention scenarios. The simulation results demonstrate that the adoption of semi-organic fertilizers increases profit by approximately 1% (Rp106.4 million), the use of environmentally friendly pest management enhances profit by 12% (Rp117.8 million), and the combined application of both strategies yields the highest improvement, with a 16% increase (Rp122.3 million) compared to the baseline condition (Rp105.6 million per hectare annually). Model reliability was confirmed through validation tests using mean comparison error (≤5%) and variance explained (≤30%). These findings highlight that integrated interventions are effective in improving productivity, profitability, and sustainability, while also providing incentives to encourage greater youth participation in agriculture. Nonetheless, the scope of this study is limited to Bungur Village and focuses exclusively on rice, shallots, and corn, without accounting for farmer-level heterogeneity. Future studies are recommended to extend the model to wider geographical contexts and incorporate factors such as climate variability and market fluctuations.
Development of a System Dynamics Model to Optimize Productivity and Cost Efficiency in Sustainable Agricultural Systems Devi Rahmawati Putri, Devi Rahmawati Putri; Murnawan, Hery
Indonesian Journal of Engineering and Technology (INAJET) Vol. 8 No. 1 (2025): September 2025
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v8n1.p1-9

Abstract

Sustainable agricultural systems require efficient input management to achieve optimal results in both productivity and profitability. This study aims to develop a system dynamics model to explore strategies for increasing productivity and cost efficiency in sustainable agriculture. The research was conducted in Singkalan Village, Balongbendo District, Sidoarjo Regency using STELLA software to build a simulation model. This model captures the relationship between key variables, including the use of superior crop varieties and semi-organic fertilizer, rice and corn yields, operational costs, and farmer profits. Three management scenarios were tested: (1) increasing productivity through superior varieties, (2) reducing operational costs by applying semi-organic fertilizer by 25%, and (3) combining the two approaches. The simulation results show that the combination of scenarios provides the best results, with an increase in rice productivity of 3.96%, a reduction in operational costs of 16.29%, and a profit for rice farmers of 1.27%. These results highlight the effectiveness of the system dynamics approach in assessing input-based policy interventions and supporting sustainable profit-oriented decision making in agriculture. Keywords: cost efficiency, productivity, profitability, system dynamics
Sistem dinamis Pendekatan Sistem Dinamis pada Pengendalian Hama dan Adaptasi Teknologi Guna Meningkatkan Profitabilitas Akbar, Daffa Athillah; Murnawan, Hery; Wati, Putu Eka Dewi Kurnia; Widiasih, Wiwin
Metode : Jurnal Teknik Industri Vol. 11 No. 2 (2025): Jurnal Metode
Publisher : Universitas Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33506/mt.v11i2.4619

Abstract

Desa Sentul is a village where 74% of its total area is agricultural land primarily used for rice cultivation, This research aims to analyze the factors influencing food security and farmer profitability in Sentul Village, Jombang Regency, and to develop a system dynamics model to support agricultural sustainability. Using a Triple Bottom Line approach with SMART PLS, the analysis results show that age, technology adoption, pest attacks, fertilizer use, and soil pH significantly impact productivity and food security. The system dynamics model developed with STELLA illustrates the relationships between these factors and highlights the importance of proper fertilizer and pest management. Three simulation scenarios were tested to increase farmer productivity and profit, with Scenario 3 (a combination of technological and organic approaches) showing the most optimal results, increasing rice productivity by up to 14%, reducing operational costs by up to 21%, and increasing profit by Rp2,507,146,451. The study also includes risk analysis and mitigation strategies for scenario, which are expected to reduce challenges and enhance agricultural sustainability in Sentul Village.
Co-Authors Abdullah, Yoga Rahmad Aji Pratama, Muhamad Akbar, Daffa Athillah Akrom, Akrom ALGHIFARI, MUHAMMAD ROMADHON Alqorni, Wais Amanda Dian Rahmawati Amanda Putri, Elsa Amaria, Aurella Nur Amimah, Faizatul Anggraeni, Oktavia Atviono, Nafian Ramadhika Aulia, Olif Aurella Nur Amaria Awang, Taufiq Labdo Ganiyu Bufon, Yuan Lucky Devi Rahmawati Putri, Devi Rahmawati Putri Elisabeth Lidya Yulianti Erlin Kurnia Sari Fadhil, Laksana Faizatul Amimah Felda Andriani Cahyadewi Fifa Marisa Irwayu Firmansyah, Fajar Muchti Firnanda, Rizky Andrian H, Setijanen Djoko Habibillah, Muchammad Syauqi Hakim, Muhammad Azizul Handayani, Santi Amalia Hanrizaldi Bagus Satrio Langgeng Hartanti, Lusia Permata Sari Hartatik, Nurani Hidayah, Manarul Indra Permana, Davit Irwayu, Fifa Marisa Isa Melandari, Nabila Dwi Istantyo - Yuwono Istiono . Jamaluddin Jamaluddin Julyandini, Yvonne Christy Kusuma Dewi, Wiranti Maldini, Irma Silvania Tanti Maya Rachmawati Mayddy Amanda, Jessica Miraningsih, Yessi Maretha Narendradhipa Dhama Nismara Nuha, Hilyatun Permana, Vito Aditya Prima, Sabrian Puspitasari, Diana Dwi Putri, Vinka Aurelia Putu Eka Dewi Karunia Wati Rachmawati, Maya Rahayu, Dian Novita Razana, Sharfina Reznandya Putri Septyawati Rony Prabowo Santosa, Praditya Dimas Santoso, Angelina Jeni Sari, Erlin Kurnia Saroja Putra, Rizky Oktaviano Satya, Rafi Arya Lingga Saves, Faradillah Sugianto, Arla Meica Regita Syafri, Maulana Husein Syah, Muhammad Althof Charies Rahman Tasya, Putri Febrinda Ardika Tedjo Sukmono Titiek Rachmawati Vinka Aurelia Putri Vinka Aurelia Putri Wati, Putu Eka Dewi Kurnia Wiwin Widiasih Wiwin Widiasih Wotavia, Celinda Yunilatul Yessi Maretha Miraningsih Yulia Rahmawati, Yulia Yulianti, Elisabeth Lidya Yulinda Yuwono, Istantyo - Yvonne Christy Julyandini