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Journal : Jurnal Optimalisasi

Pengendalian Kualitas Produk Paving Block untuk Meminimalkan Cacat Menggunakan Six Sigma pada UD. Meurah Mulia Abdiel Khaleil Akmal; Risnadi Irawan; Khairul Hadi; Heri Tri Irawan; Iing Pamungkas; Kasmawati Kasmawati
Jurnal Optimalisasi Vol 7, No 2 (2021): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i2.4435

Abstract

A production process will not be free of difficulties with faulty goods during its implementation; this is a problem that is a major factor in the production process; if the process still has many problems with product defects, the process has not been adequately regulated. Moving on from the issues raised above, the author did research at UD. Meurah Mulia, a paving stone manufacturer. For the time being, the control process in the manufacturing process is inspection control, which is an inspection that just distinguishes good and faulty goods without improving the process. In this scenario, the authors advise using the Six Sigma approach to eliminate flaws, which is a process control method that can affect decisions connected to product manufacturing, namely the production and insfection functions. The results of the analysis through processing with the Six Sigma method, which goes through five stages, namely define, measure, analyze, improve, and control, show that the current control process is ineffective, as evidenced by the occurrence of numerous defects in the manufacturing of Paving Blocks.
Analisis Postur Kerja Menggunakan Metode Ovako Work Analysis System (OWAS) pada UKM Pengolahan Ikan Khairul Hadi; Iing Pamungkas; Risnadi Irawan; Abdiel Khaleil Akmal; Heri Tri Irawan; Adib Adib
Jurnal Optimalisasi Vol 7, No 2 (2021): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i2.4436

Abstract

UKM Stefen Aluy is one of the businesses engaged in processing fresh fish into salted fish. When conducting preliminary research in the field, several causes of Musculoskeletal Disorder (MSDs) complaints were found. The results of the preliminary study, 66.7% of workers complained of pain in the waist, 50% of workers complained of back and waist pain, 33.3% of workers complained of pain in the left and right elbows and 16.7% of workers complained of pain in the thighs. Cumulatively from the preliminary research conducted, the parameters of the level of pain complaints were 21.4%, moderate pain, 33.3% and 45.2% pain. If this condition is ignored continuously for a long time, it has the potential to cause injury or low back pain to workers. To identify and analyze work attitudes, the Ovako Work Analysis System (OWAS) method is used, which is a method to identify and analyze work attitudes. The results of the study concluded that based on biomechanical measurements of work postures, there were several work postures that were included in 3 (three) assessment categories, namely the work posture of moving fish at the sorting station, working posture of moving fish at the weeding station, and working posture of moving fish at the packaging station.
Pengaruh Kualitas Pelayanan Terhadap Kepuasan Pelanggan Menggunakan Structural Equation Modeling Partial Least Square pada PT. XYZ Kasmawati Kasmawati; Abdiel Khaleil Akmal; Sofiyanurriyanti Sofiyanurriyanti; Abdurrahman Ridho; Ilham Juliwardi
Jurnal Optimalisasi Vol 8, No 1 (2022): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v8i1.5273

Abstract

PT.XYZ Banda Aceh yang bertugas untuk melayani kepentingan umum dan bergerak di bidang pelayanan keluhan pelanggan, pelayanan listrik padam, pelayanan pemasangan baru dan lainnya. PT. XYZ Banda Aceh telah memberikan yang terbaik agar memberikan kepuasan terhadap pelanggannya, akan tetapi dalam pelaksanaan operasionalnya tidak dapat dihindari beberapa masalah yang tidak sesuai dengan harapan dan keinginan pelanggan, seperti pelayanan yang kurang maksimal sehingga menyebabkan pelanggan merasa kurang puas. Penelitian ini bertujuan untuk mengetahui dan menganalisis seberapa besar pengaruh kualitas pelayanan terhadap tingkat kepuasan yang dirasakan oleh pelanggan yang mengunakan jasa PT. XYZ Banda Aceh. Penentuan sampel ditentukan dengan teknik non probability sampling yaitu sampling purposive sebanyak 100 sampel. Metode analisis yang digunakan yaitu Partial Least Square (PLS). Dengan menggunakan software SmartPLS versi 3.2.6 dan SPSS versi 17.0. Hasil penelitian ini menunjukkan bahwa kepuasan pelanggan pada PT. XYZ Banda Aceh dapat diukur dari 5 dimensi kualitas pelayanan yang terdiri dari tangible, emphaty, reabilty, responsiviness dan assurance. Variabel yang berpengaruh terhadap kepuasan pelanggan adalah variabel assurance, responsiviness dan variabel reliability. Sedangkan variabel tangible dan variabel emphaty tidak berpengaruh terhadap kepuasan pelanggan.
Pengukuran Kesenjangan Produktivitas Kelapa Sawit (Elaeis guineensis Jacq) pada Kelas Kesesuaian Lahan S2 di Divisi II Kebun Matapao PT. Socfindo Arrazy Elba Ridha; M Irvanni Bahri; Aulia Agung Dermawan; Heri Tri Irawan; Risnadi Irawan; Abdiel Khaleil Akmal; Iing Pamungkas
Jurnal Optimalisasi Vol 8, No 2 (2022): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v8i2.6286

Abstract

Telapak tangan minyak adalah salah satu perkebunan yang memiliki peran penting bagi sub sektor perkebunan. Produktivitas tandan buah kelapa sawit meningkat dengan cepat dan mencapai maksimum pada usia 8-12 tahun, kemudian menurun secara bertahap hingga usia 25 tahun. Kelas kesesuaian tanah dapat mempengaruhi produktivitas kelapa sawit. Penelitian yang dilakukan di Divisi II Kebun Matapao Pt. Socfindo. Ini dilakukan pada Mei 2021 hingga Juli 2021. Penelitian menggunakan analisis deskriptif, menggunakan produktivitas data kelapa sawit di Divisi II Kebun Matapao. Hasilnya menunjukkan bahwa jumlah rata -rata tandan per pohon pada tahun 2011 hingga 2013 meningkat 1,49% dari potensi, berat rata -rata tandan menurun 5,82% dari potensial, dan produktivitas rata -rata tikat buah kelapa sawit menurun 15,10% dari potensi. Kesenjangan produktivitas kelapa sawit di Divisi II Kebun Matapao Pt. Socfindo dipengaruhi oleh faktor iklim, usia faktor tanaman dan jumlah pohon per hektar.
Implementasi Linier Programming Modelling untuk Maksimasi Profit Penjualan Produk Seblak pada UD. XYZ di Aceh Barat Arrazy Elba Ridha; Ulfa Syahputri; Habib Satria; Adib Adib; Fuad Dwi Hanggara; Rizki Agam Syahputra; Abdiel Khaleil Akmal
Jurnal Optimalisasi Vol 9, No 2 (2023): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v9i2.8491

Abstract

Seblak is a food that has seen an increase in demand in recent years, and is a promising culinary business that can be run with a small capital. UD. XYZ is a seblak business that started selling seblak in early 2022 in West Aceh and wants to maximize the profits from its seblak sales. One method that can do this is Linear Programming, which can determine decision-making that can group limited materials or resources to achieve an optimal or best solution. From UD. XYZ's weekly sales data, it can be transformed into a mathematical model that helps to find the maximum function of the profit from seblak sales. The linear programming calculation process in this study uses the Lingo 18.0 software to solve linear programming problems, which will be continued with the linear graph visualization of the objective function with the MATLAB software. The results of the study show that the maximum profit that will be obtained by UD. XYZ in one week is Rp. 420,000/week, this profit is already categorized as net profit that can be used for the development of UD. XYZ's seblak business. Of the three variables X1 (seblak noodles and crackers), X2 (seblak eggs), and X3 (seblak chicken/feet), variables X1 and X2 have the potential to increase maximum profit if increased. In this study, the objective point is also on the point axis (X1=0, X2=0, and X3 = 175).
Rancang Bangun Vertical Clarifier Tank Mini dengan Adjusment Variasi Kedalaman Pipa Inlet untuk Melihat Pengaruh Tingkat Kadar Kotoran pada Minyak Overflow Crude Palm Oil Ridha, Arrazy Elba; Adib, Adib; Azwanda, Azwanda; Jayadi, Farid; Muzammil, Abdul; Akmal, Abdiel Khaleil; Azhar, Azhar
Jurnal Optimalisasi Vol 10, No 1 (2024): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v10i01.9307

Abstract

Vertical Clarifier Tank (VCT) has a very crucial role to separate oil, water and sludge by gravity, where oil with a smaller specific gravity of 0.8 grams / cm3 will be in the uppermost layer, while water whose specific gravity is 1 gram / cm3 will be in the middle layer, and sludge with a density of 1.3 grams / cm3 from the Vertical Clarifier Tank (VCT). The experimental design of this study was to determine the appropriate depth of the inlet pipe to obtain low levels of impurities during oil extraction. The results of the study obtained from variations in the depth of 25 cm, 40 cm, 55 cm, and 70 cm inlet pipes used as the inflow of crude oil from Crude Palm Oil with variations in sedimentation time of 100 minutes, 120 minutes, 140 minutes, 160 minutes, 180 minutes, and 200 minutes, obtained the least level of impurities in the Inlet Pipe which has a length of 55 cm with a variable sedimentation time of 200 minutes.
Analisis Produktivitas pada Pengolahan Ikan Tuna Cube di PT. Aceh Lampulo Jaya Bahari Akmal, Abdiel Khaleil; Ridha, Arrazy Elba; Hadi, Khairul
Jurnal Optimalisasi Vol 10, No 1 (2024): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v10i1.9531

Abstract

PT. Aceh Lampulo Jaya Bahari is a nautical product manufacturer based in the Lampulo fishing port, Banda Aceh, Indonesia. Productivity is a comparison of input and output that indicates how effectively resources are managed and exploited to obtain the best results. High production means there is less likelihood of delays. PT. Aceh Lampulo Jaya Bahari's productivity achievement indicator values fluctuate annually, with some years seeing low or high production.  The purpose of this study is to identify productivity-influencing elements, as well as to estimate the level of labor productivity, production amount, total productivity, and the difference in production amount when processing tuna cubes at PT. Aceh Lampulo Jaya Bahari. This study examines monthly production data from 2023 to determine worker productivity and output. The method is to measure partial and total productivity and then launch monthly productivity changes. The study's findings demonstrate that labor productivity and tuna cube output are higher than number one, indicating productive performance. PT. Aceh Lampulo Jaya Bahari met its production objective of 350 kg per month, with an average total labour productivity of 2.6%. This study advises that firms maintain production consistency and form a network of collaborating partners to ensure raw material availability.
Identifikasi Penyebab Kerusakan Mesin Pompa pada Sistem Distribusi Air PDAM Menggunakan FMEA dan LTA Irawan, Heri Tri; Pamungkas, Iing; Akmal, Abdiel Khaleil; Pandria, T.M. Azis; Sofiyanurriyanti, Sofiyanurriyanti; Hasnita, Hasnita; Azhar, Azhar
Jurnal Optimalisasi Vol 10, No 2 (2024): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v10i2.10449

Abstract

The existence of a Regional Drinking Water Company (PDAM) is very important in maintaining the continuity of the clean water treatment process running smoothly and well. Maintenance of clean water distribution machines and equipment is a matter that requires attention because damage to one of the machines or equipment can cause a cessation of processing activities which results in losses for companies and services. Damage to the water distribution machine in PDAM Tirta Mountala is unavoidable and this happens frequently. This happens because the damage is not properly identified, either in preventive maintenance or in anticipating appropriate action. The purpose of this study is to identify the cause of the damage and propose maintenance actions on the clean water distribution pump machine in PDAM Tirta Montala Aceh Besar. The failure mode and effect analysis (FMEA) and logic tree analysis (LTA) approaches are used to anticipate this. FMEA is an approach used to identify and analyze potential failures and their consequences. Meanwhile, LTA aims to prioritize each damage mode and carry out reviews and functions, malfunctions so that the damage mode status is not the same. There are eighteen water distribution pump components with the highest damage frequency. Based on the results of the FMEA, five components with the highest RPN or the highest risk were obtained, namely the vane, stuffing box, bearing bracket support, shaft and bearing components. The five components were then analyzed through LTA and maintenance tasks with several proposed actions including repair, component replacement, welding, thermography, and re-measurement with a vibration meter.
Optimalisasi Perbaikan Kualitas Produksi Donat Menggunakan Quality Control Circle (QCC) Sofiyanurriyanti, Sofiyanurriyanti; Adib, Adib; Kasmawati, Kasmawati; Irawan, Heri Tri; Akmal, Abdiel Khaleil; Danil, Danil
Jurnal Optimalisasi Vol 11, No 1 (2025): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v11i1.11882

Abstract

Donuts are one of the most popular foods in the community that have a sweet, savory, and unique taste. One of the donut branches in this study is located in Drien Rampak Village, Johan Pahlawan, West Aceh Regency. This study used the Quality Control Circle (QCC) method with the PDCA (Plan, Do, Check, Action) and 5W + 1H approaches. The data analyzed included product defects during the period June 2023 to May 2024, which included burnt color, inappropriate size, flat, and not rising. The results showed that the average defect rate reached 6% of the total monthly production. By implementing the QCC method, the main causes of defects were successfully identified using tools such as Pareto diagrams, cause-and-effect diagrams, and control charts. Improvement steps include implementing SOPs, employee training, and quality control at critical stages of production. The implementation of this method succeeded in significantly reducing the level of product defects, increasing production efficiency, and improving consumer satisfaction. This study provides a practical contribution to companies in controlling product quality and is a reference for further research related to quality management using the QCC method.
Identifikasi Bahaya dan Pengendalian Risiko Keselamatan dan Kesehatan Kerja (K3) pada PT. PLN (Persero) Akmal, Abdiel Khaleil; Ardika, Jumelia; Ananda, Zulia; Arfiya, Hilda
Jurnal Optimalisasi Vol 11, No 2 (2025): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v11i2.11639

Abstract

The role of the workforce in supporting National Development is highly important, including the workers at PT. PLN (Persero) Transmission and Substation Meulaboh. It is necessary to provide occupational safety and health protection to workers in order to increase their productivity. This study aims to explain the importance of occupational safety and health protection in controlling hazard risks in the work environment of PT. PLN (Persero) Transmission and Substation Meulaboh. The research was conducted through direct observation and interviews, then analyzed using legal theory. The results show that there are still challenges in implementing occupational safety and health at PT. PLN (Persero) Transmission and Substation Meulaboh, such as the vast working area, employee relocation, and lack of awareness regarding the importance of using personal protective equipment (PPE). These challenges must be addressed through innovations in remote supervision and awareness campaigns to improve understanding of occupational safety and health, particularly the use of PPE.