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All Journal SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Optimasi Sistem Industri Jurnal Ilmiah Teknik Industri Industria: Jurnal Teknologi dan Manajemen Agroindustri Seminar Nasional Teknologi Informasi Komunikasi dan Industri Jurnal Hilirisasi IPTEKS (JHI) Jurnal Optimalisasi Jurnal Ilmiah Kesehatan Iqra Jurnal Teknik Industri Terintegrasi (JUTIN) Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Jurnal Teknologi

Dina Rahmayanti

Jurusan Teknik Industri, Fakultas Teknik, Universitas Andalas

Author-ID : 2854545

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Veterinary Other

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Model Konseptual Pengembangan Agroindustri Minyak Nilam di Pasaman Barat Menggunakan Sistem Dinamik Dina Rahmayanti; Rika Ampuh Hadiguna; Santosa Santosa; Novizar Nazir
Industria: Jurnal Teknologi dan Manajemen Agroindustri Vol 6, No 3 (2017)
Publisher : Department of Agro-industrial Technology, University of Brawijaya

Abstrak Badan Pusat Statistik Nasional (BPS) menyatakan jumlah produksi dan produktivitas minyak nilam Sumatera Barat khususnya Pasaman Barat mengalami penurunan beberapa tahun terakhir. Menurunnya produksi nilam Pasaman Barat tentunya akan berpengaruh langsung pada nilai ekspor Indonesia. Posisi Indonesia sebagai negara penghasil minyak nilam dunia akan melemah. Penelitian ini bertujuan menggambarkan kompleksitas agroindustri minyak nilam di Pasaman Barat yang dimulai dari suplai bahan baku di tingkat petani hingga pemasaran produk berupa minyak nilam di tingkat pengumpul. Adapun tahapan yang dilakukan dalam penelitian ini adalah survei dan wawancara kepada pelaku agroindustri minyak nilam di Pasaman Barat, studi literatur, membangun model rantai pasok agroindustri minyak nilam di Pasaman Barat, menentukan faktor yang mempengaruhi produksi minyak nilam di sepanjang rantai pasok, menentukan hubungan antar faktor dan pembuatan rantai untuk setiap tahapan. Pengambilan data dilakukan melalui wawancara dan mengambil data yang sudah ada di BPS. Faktor harga minyak nilam saat ini merupakan faktor yang mempengaruhi jumlah stok nilam pada ketiga level model. Jika harga meningkat maka stok pada masing-masing level meningkat, atau sebaliknya jika harga turun maka stok akan mengalami penurunan. Diduga faktor harga merupakan pemicu utama menurunnya produktivitas nilam di Pasaman Barat beberapa tahun terakhir.Kata kunci: agroindustri, minyak nilam, model konseptual, sistem dinamik AbstractBadan Pusat Statistik Nasional (BPS) shows that the number production and productivity of patchouli oil at West Sumatra, especially in West Pasaman has decreased in recent years. The decline of patchouli production will have an immediate effect on Indonesia export value. Indonesia position as the producer of patchouli oil in the world will weaken. This study aims to illustrate the complexity of patchouli oil agro-industry in Pasaman Barat starting from the raw material supply at the farmer level to the marketing of patchouli oil at the collecting level. The stages of this research were survey and interview to the actors of patchouli oil agro-industry in Pasaman Barat, literature study, design supply chain of patchouli oil agro-industry in Pasaman Barat, determine the factors that influence the production of patchouli at supply chain stages, determine the relationship between factors and making the chain for each stage. Data collection were done through interviews and data that already exist in BPS. Patchouli oil current price is a factor affecting the amount of patchouli stock at the third level of the model. If price increase, stock at each level also increase, otherwise if the price falls then the stock will decrease. Perhaps the price factor is the main trigger of the decline in patchouli productivity in West Pasaman in recent years.Keywords: agro-industry, conceptual model, dynamic system, patchouli oil

Usulan Perbaikan untuk Meminimasi Reject pada Unit Produksi Keripik Sanjai Rina Kota Payakumbuh Dina Rahmayanti; M. Ihsan Ashshiddiqi; Hilma Raimona Zadry; Yumi Meuthia; Lusi Susanti
Jurnal Teknologi Vol. 13 No. 1 (2023): Jurnal Teknologi
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jitekin.v13i1.88

Sanjai Rina is one of the small and medium industries (SMEs) that produces and sells sanjai chips. This study aims to identify aspects that cause rejected production in Sanjai Rina. This study uses the Statistical Process Control (SPC) method with the Failure Mode and Effect Analysis (FMEA) approach. The stages of the research started with problem identification, brainstorming, FMEA calculations, and recommendations for improvement. Identifying problems using the required to-quality method and IPO diagrams followed by brainstorming to identify the existing problems using fishbone diagrams in more detail. FMEA calculations design a questionnaire for RPN FMEA calculations by considering severity, occurrence, and detection weighting. The resulting rejected products are broken sanjai, burnt sanjai, and non-crispy sanjai chips. The research results found that the highest cause for each cause of rejection was the same, namely the potential due to low worker skill failure with an RPN FMEA value of 409.6. Several solutions can be proposed from this research, while the priority solutions are making work SOPs and making work instructions for the frying section.

Budaya Seiri, Seiton, Seiso, Seiketsu, dan Shitsuke di Industri Kecil Menengah Kerupuk Azizah Dina Rahmayanti; Feri Afrinaldi; Reinny Patrisina; Yumi Meuthia; Hilma Raimona Zadry; Lusi Susanti; Prima Fithri; Desto Jumeno; Luthfi Fakhri Ramadhan
Warta Pengabdian Andalas Vol 30 No 2 (2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jwa.30.2.192-200.2023

This community service activity was carried out by designing a cabinet for finished products and handing over the cabinet to a small and medium industry producing various types of crackers, namely IKM Kerupuk Azizah. IKM Kerupuk Azizah used open shelves to store packaged finished products. This practice was unhygienic and risky. Animals like rats and insects ate and damaged the materials and products. In addition, the warehouse needed to look more tidy. Moreover, from an aesthetic point of view, it was unattractive. A storage cabinet was designed to solve this problem. In designing the cabinet, available space, the number of piles of finished products, and the dimensions of the packaged finished products were considered. The results showed that, with a storage cabinet for finished products, IKM Kerupuk Azizah improved products’ quality and hygiene so that consumers would have more confidence in purchasing the products. In addition, IKM Kerupuk Azizah also applied the Seiri, Seiton, Seiso, Seiketsu, and Shitsuke (5S) principles in their work environment to create a clean, healthy, and comfortable workplace.

Peningkatan Efisiensi Penyimpanan Logistik pada Warehouse Raw Material di PT Indofood Fortuna Makmur Rahmayanti, Dina; Dongoran, Ihsan Wajhiya Siregar
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46904

This research was conducted in the raw material warehouse division of PT Indofood Fortuna Makmur, a snack food manufacturing company known for products such as Chitato, Chiki, and Qtela, located in Cikupa, Tangerang. The objective of the study is to evaluate and improve the effectiveness and efficiency of the warehouse management system, particularly in addressing operational challenges due to increased production capacity and the use of temporary rental storage at Warehouse 88. The data were analyzed using the 5S method, ABC analysis, and seasonal slotting. The implementation of the 5S principles proved to improve orderliness, cleanliness, and workplace safety. The seasonal slotting method helped optimize raw material storage by adjusting locations based on seasonal production patterns. Meanwhile, ABC analysis enabled more efficient and structured stock and storage space management. The integration of these three methods significantly enhanced the overall performance of the warehouse system at PT Indofood Fortuna Makmur.

Penerapan Siklus Plan-Do-Check-Act (PDCA) untuk Mengurangi Pemborosan dalam Industri Jasa Rahmayanti, Dina; Wirdianto, Eri; Afrileni, Wirna
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.v11i2.12337

This research aims to increase the efficiency of aging time in the car refurbished process in T XYZ by applying the PDCA (Plan-Do-Check-Action) method. The company's main problem is the high number of idle cars due to aging times that exceed standards, especially in repair, service, and preparation activities. The research methods used include identifying the root of the problem using a fishbone diagram, designing solutions using the 5W+1H approach, improving implementation, and evaluating results. Implementation results show a decrease in the average aging time: in repair from 5,333 to 3,833 days, in service from 6 to 3,333 days, and preparation from 1,333 to 0.967 days. The number of idle cars also decreased gradually to reach 86 units with an actual aging time of one day. These findings prove that implementing PDCA effectively increases the efficiency of the refurbished process, reduces time waste, and supports increased company operational performance. This research contributes to developing continuous improvement practices in the automotive industry. It can be a reference for other service companies that are optimizing productivity through a quality management approach.

Minimasi Pemborosan pada Lantai Produksi PT Kunango Jantan dengan Pendekatan Lean Manufacturing Rahmayanti, Dina; Qomariah, Nurul
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 6 No. 4 (2023): Oktober
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v6i4.18080

PT Kunango Jantan is one of the private companies engaged in manufacturing and trading. One of the products produced is Street Light Pole (PJU). The production of these PJU poles also faces various challenges. Commonly faced challenges are related to several types of waste on the production floor. This research aims to identify waste on the production floor of PJU poles using a lean manufacturing approach. The results indicate that the top three waste percentages are 18.9% for transportation activities, 17.62% for waiting activities, and 15.46% for defects. Some factors causing these wastages include frequent machine breakdowns, depletion of raw materials due to the lack of raw material scheduling implementation, and frequent transportation during production. Improvement recommendations to reduce waste include scheduling machine maintenance, planning raw material control, and adjusting machine layouts to minimize repetitive transportation.

Design Konseptual Model Pengelolaan Sampah di Kota Padang Rahmayanti, Dina; Meuthia, Yumi; Aqila, Andini
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 3 (2024): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i3.28157

The increase in waste at the Padang City landfill (TPA) each year is caused by population growth and the imbalance between the amount of waste generated and the waste processing facilities at the source. As a result, inadequately processed waste at waste banks, TPS3R, and TPST ends up in the landfill, where space is increasingly limited. This study uses a Causal Loop Diagram (CLD) to identify and analyze the waste management and disposal system in Padang City and its impact on overall waste management. The conceptual model is created with three CLD submodels: the population submodel, the waste at source submodel, and the waste processing submodel. This study concludes that a more dynamic approach and comprehensive analysis of all aspects of waste management are needed to reduce waste accumulation at the landfill and increase its capacity in the future. The conceptual waste management model developed serves as an initial step in creating a dynamic system that can help solve waste problems effectively and sustainably.

Model Kebijakan Perkebunan Nilam di Pasaman Barat dengan Pendekatan Sistem Dinamis Dina Rahmayanti; Rika Ampuh Hadiguna Hadiguna; Santosa Santosa; Novizar Nazir
Jurnal Optimasi Sistem Industri Vol. 18 No. 1 (2019): Published April 2019
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

This study aims to design a model by providing several policy alternatives that are useful to assist the government in determining appropriate policies in increasing patchouli oil production from the supply aspect. The supply to be studied is patchouli plantations. The plantation is one of the important aspects affecting patchouli oil production. The choice of alternatives is based on testing alternative policies on a computerized model. Patchouli plantation models are made in line with real systems using system dynamics. From the results of the study, there are several policy alternatives that can be taken by the government, policies related to land expansion and conversion, policies related to increasing agricultural production, policies related to human resource improvement, policies related to agricultural equipment assistance and policies related to the use of superior seeds in plantations.

Analisis Bahaya Fisik: Hubungan Tingkat Pencahayaan dan Keluhan Mata Pekerja pada Area Perkantoran Health, Safety, and Environmental (HSE) PT. Pertamina RU VI Balongan Dina Rahmayanti; Angela Artha
Jurnal Optimasi Sistem Industri Vol. 14 No. 1 (2015): Published in April 2015
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v14.n1.p71-98.2015

The eyes are part of the body that must be protected workers safety and health. Sufficient light is one of the most important aspects that determine the health of the eye, excellent lighting intensity affects the eyes. This study was performed at PT Pertamina RU VI Balongan, based on observation in the work area, it is necessary to evaluate the intensity of light and eye strain workers in a unit of PT. Pertamina Refinery Unit VI Balongan.Be collected from primary and secondary data and processing in the form of statistical testing using Microsoft Excel and SPSS Software 2.0. Tests conducted on four types of questionnaires and data variables intensity lighting in the office area of HSE unit RU VI Balongan.There are 12 rooms which have the following illumination standard (under 300 lux). Based on a statistical test between the variable quality of the lighting of the eye complaints get results there are two variables that have a relationship. In addition, all respondents had complaints of eye fatigue that varies with the highest percentage of 80% with complaints of eye feel sleepy and 63% of workers feel pain in the neck or shoulder.

Analisis Pengaruh Kepemimpinan, Motivasi, Lingkungan Kerja, dan Kedisplinan Terhadap Kinerja Karyawan (Studi Kasus: Operator Welding 1A, PT. XYZ Motor) Dina Rahmayanti; Idham Afandi
Jurnal Optimasi Sistem Industri Vol. 13 No. 1 (2014): Published in April 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n1.p556-561.2014

Leadership, motivation, work environment, and discipline is some of important factors where its influence in employees performance need to be studied, in order to improve better performance or provide positive influence on the performance itself. Employees performance in the welding section 1 A, has significant effect in the production process at PT. XYZ Motor, which manufactures parts of the body frame, in order to complete the daily production target, the influence of these factors on the employees performance needs to be determined. This study uses a questionnaire for collecting data from samples of 80 respondents taken from 158 employees in the welding 1 A. Multiple linear regression is used to test hypotheses for each variable. Result showed that the discipline variables has positive influence on employee performance with significance value of 0,04, where the value is less than 0,05. Other factors has value greater than 0,05.

Co-Authors Afrileni, Wirna Afrinaldi, Feri Ahmad Fauzan Ahmad Fauzan Albin, Justin Alizar Hasan Angela Artha Aqila, Andini Arri Fatimah Zahra Desto Jumeno Difana Meilani Dongoran, Ihsan Wajhiya Siregar Eri Wirdianto Gondoyuwono, Hartanto Hafizh Ahmad Hafizh, Ahmad Hilma Raimona Zadry Idham Afandi Ikhwan Arief Khairunnisa Aswidra Kusumaningrum, Dietha Lusi Susanti Luthfi Fakhri Ramadhan M. Ihsan Ashshiddiqi Melfa Yola ML Edy Parwanto Novizar Nazir Nurul Qomariah Prima Fithri reinny patrisina Rika Ampuh Hadiguna Ringgo Afrinando Ringgo Afrinando Santosa Santosa Santosa Santosa Santosa Santosa Utari Putri Widya Marcelena Widya Marcelena Widyasyifa, Salsabila Ayu Widyatama, Haryo Ganeca Yumi Meuthia Yumi Meuthia Yumi Meuthia Zuchria Anggia Sari Hasnda

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