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All Journal Dinamika Journal : Pengabdian Masyarakat Journal of Industrial Engineering and Halal Industries JURNAL TEKNIK INDUSTRI
Dwi Agustina Kurniawati
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Religion Agriculture, Biological Sciences & Forestry Humanities Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Other

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PENINGKATAN EKO-EFISIENSI DAN PRODUKTIVITAS INDUSTRI KECIL DAN MENENGAH (IKM) TAHU DI DESA DUKUH KECAMATAN MANTRIJERON YOGYAKARTA Dwi Agustina Kurniawati; Cahyono Sigit Pramudyo; Trio Yonathan Tejakusuma; Rillo Pambudi
Dinamika Journal : Pengabdian Masyarakat Vol 2, No 2 (2020)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.dj.2020.2.2.977

Abstract

Perkembangan industri pada era ini semakin pesat dengan meningkatnya kebutuhan pokok khususnya kebutuhan pangan salah satunya yaitu tahu. Efisiensi produksi adalah hal yang sangat penting bagi perusahaan dalam memenangkan persaingan, termasuk dalam hal ini adalah industri tahu. Dengan perkembangan industri yang semakin pesat maka diperlukan eko-efisiensi sebagai pengembangan efisiensi dengan memasukan aspek lingkungan. Eko-efisiensi adalah suatu konsep dengan mempertimbangkan aspek sumberdaya alam, energi dan lingkungan sehingga terwujud proses produksi yang dapat meminimumkan penggunaan bahan baku, air, dan energi serta dampak lingkungan per unit produk. Inovasi tersebut memberikan dampak yang baik berupa penghematan biaya dan ramah lingkungan serta peningkatan produktifitas. Penerapan atau pendampingan ini dilakukan di Kelompok Usaha Kecil Tahu “Sentosa Adi” yang terletak di dusun Dukuh kecamatan Mantrijeron Yogyakarta. Tahap awal yang dilakukan yaitu melakukan observasi untuk mengetahui kendala yang ada, misalnya kebersihan yang masih kurang, layout yang kurang baik, dan kapasitas mesin yang kecil. Tahap selanjutnya yaitu pemberian pelatihan untuk memberikan wawasan pentingnya eko-efisiensi bagi industri Tahu. Tahap berikutnya yaitu membuat usulan perbaikan dari kendala yang ditemukan. Beberapa usulan yang diperoleh yaitu re-layout tempat produksi, bahan bakar yang efisien, pengadaaan plat pemotong dan mesin press otomatis. Hasil akhir dari pendampingan tersebut yaitu pemberian alat potong tahu, guna mempercepat pemotongan, yang awalnya menggunakan pisau dan penggaris digantikan dengan alat pemotong yang lebih cepat. Alat tersebut dibuat dan disesuaikan dengan ukuran tahu yang diproduksi oleh IKM “Sentosa Adi” dan dibagikan kepada 17 pemilik usaha Tahu.
OPTIMIZING DISTRIBUTION ROUTE OF PACKED DRINKING WATER WITH THE CLARKE AND WRIGHT SAVINGS AND NEAREST NEIGHBOR METHODS (Case Study of PT. GSI) Rian Puji Kusuma; Dwi Agustina Kurniawati; Dwi Kristanto; Noordin Mohd. Yusof; Kuan Yew Wong
Journal of Industrial Engineering and Halal Industries Vol. 2 No. 2 (2021): Journal of Industrial Engineering and Halal Industries (JIEHIS)
Publisher : Industrial Engineering Department, Faculty of Science and Engineering, UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jiehis.3422

Abstract

In the business, distribution has a very important role. The distribution process must be able to deliver products on time while it also reduces the transportation costs which can consume around 50% of the company's total logistics costs. If distribution costs can be reduced, it can indirectly increase the company’s profit. PT. GSI, located in Yogyakarta, is a distributor of packed drinking water company with brand “PLG”. In determining the distribution route, PT. GSI does not use any scientific method and only uses the driver’s intuition. The purpose of this study is to optimize the distribution route of the “PLG” packed drinking water delivery to obtain the minimum mileage by using the Clarke and Wright Savings and Nearest Neighbor methods. The Clarke and Wright Savings method and the Nearest Neighbor method are used because the customer locations are far from each other and there are also customers whose delivery locations are centered on one delivery area, so that the calculation of distance savings is needed. Then the evaluation is done to determine which method is better. The comparison of the solution for data on 1st ,2nd ,3rd ,4th, and 6th March 2021 showed that the Nearest Neighbor method proposed best solution while data on 5th March 2021 showed that Clarke and Wright Savings giving the best solution. The results show that the Nearest Neighbor method provides better result in determining the distribution routes of PT. GSI.
Penjadwalan Produksi Flow Shop untuk Meminimalkan Makespan dengan Metode Pour, Pemrograman Dinamis dan Branch and Bound di CV. Bonjor Jaya Dwi Agustina Kurniawati
JURNAL TEKNIK INDUSTRI Vol. 9 No. 2 (2019): VOLUME 9 NO 2 JULI 2019
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (630.713 KB) | DOI: 10.25105/jti.v9i2.4920

Abstract

Scheduling is defined as the process of allocating resources to select a set of tasks within a certain period. CV. Bonjor Jaya implements scheduling with the First Come First Serve (FCFS) system. This study aims to find the sequence combination of products that have a minimum makespan value using the Pour method, Dynamic Programming and Branch and Bound. The Pour method produces a combination of 3-4-2-1 with an makespan value of 89814.59 seconds. Dynamic Programming Method produces a combination of 3-1-2-4 sequence with an makespan value of 90012.03 seconds. The Branch and Bound method produces a sequence combination of 3-4-2-1 and 3-2-4-1 with an makespan value of 89814.59 seconds. Based on the makespan value obtained, the Pour and Branch and Bound methods are the most appropriate method to be applied in the CV. Bonjor Jaya with the difference in makespan value 484.39 faster than the scheduling method applied by the company.
Optimization of Hijab Production Profits for UMKM Saveer Hijab Using the CPLEX Application Julianti, Shofia Rizka; Dwi Agustina Kurniawati; Noor Saif Muhammad Mussafi
Journal of Industrial Engineering and Halal Industries Vol. 6 No. 1 (2025): Journal of Industrial Engineering and Halal Industries (JIEHIS)
Publisher : Industrial Engineering Department, Faculty of Science and Engineering, UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jiehis.5287

Abstract

Micro, Small, and Medium Enterprises play a major role in economic growth in Indonesia and must continue to be supported and developed in order to compete at a global level. Saveer Hijab is one of the hijab fashion brands in the MSME sector that produces various types of hijab. Saveer Hijab experienced a decline in sales because the number of requests was not balanced with production costs due to the increase in raw material prices. This study aims to formulate an optimization model to determine the optimal production volume so that maximum profit is obtained using the CPLEX application. The results of the study showed that to optimize profits, Saveer Hijab must produce 200 pcs of Malay Scarf hijab and 120 pcs of Pashmina Square hijab. Thus, the profit obtained by Saveer Hijab is IDR 7,000,000.00 or 75%. Saveer Hijab obtains maximum efficiency for the amount of fabric and thread inventory, because in the production process of both types of hijab, it requires a fabric inventory of 500 m and a thread of 800 m, which is in accordance with the amount of material availability capacity. Furthermore, the amount of plastic packaging inventory still leaves 180 pcs because in the production process the amount of plastic used is 320 pcs.
Optimizing Production for Maximum Profit in Kripik Ma'Nung MSMEs Using CPLEX-Based Linear Programming Rahma, Nafia Rahma; Dwi Agustina Kurniawati; Noor Saif Muhammad Mussafi
Journal of Industrial Engineering and Halal Industries Vol. 6 No. 1 (2025): Journal of Industrial Engineering and Halal Industries (JIEHIS)
Publisher : Industrial Engineering Department, Faculty of Science and Engineering, UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jiehis.5290

Abstract

Micro, Small, and Medium Enterprises (MSMEs) significantly contribute to the economic development of Indonesia. However, many MSMEs still rely on intuition and past experience rather than data-driven decision-making, resulting in suboptimal profit outcomes. This study aims to determine the optimal production combination to maximize profit in Kripik Ma’Nung, a halal-certified MSME that produces five types of traditional chips. A linear programming approach was applied using CPLEX Optimization Studio 22.1.2 to analyze real production data, including unit cost, production time, and selling price. The decision variables were the weekly production quantities of each chip type, subject to constraints on production cost and time. The initial production plan yielded a weekly profit of IDR 370,200 with a production time of 1,478.8 minutes. After optimization, the model suggested producing only 166 units of sale banana chips, which increased the profit to IDR 448,200, reduced production time to 1,377.8 minutes, and cut costs by IDR 78,000. These results demonstrate a 21% improvement in profit efficiency and highlight the effectiveness of linear programming as a decision-support tool. The study encourages broader adoption of optimization techniques among MSMEs to enhance resource utilization and operational decision-making.
Co-Authors Cahyono Sigit Pramudyo Dwi Kristanto Julianti, Shofia Rizka Kuan Yew Wong Noor Saif Muhammad Mussafi Noordin Mohd. Yusof Rahma, Nafia Rahma Rian Puji Kusuma Rillo Pambudi Trio Yonathan Tejakusuma