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All Journal Jurnal Pendidikan Matematika Undiksha Irfani Jurnal Penelitian dan Pendidikan IPS Wahana Didaktika Jurnal Informatika Jurnal EECCIS Jurnal Optimasi Sistem Industri Al-Ijtima`i: International Journal of Government and Social Science JURNAL ILMU BUDAYA JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Pendas mahakam : jurnal pendidikan dan pembelajaran Sekolah Dasar Jurnal Penelitian Pendidikan IPA (JPPIPA) Kinestetik : Jurnal Ilmiah Pendidikan Jasmani International Journal of Smart Grid and Sustainable Energy Technologies Jurnal Profetik Aksis : Jurnal Pendidikan Bahasa dan Sastra Indonesia Insight: Jurnal Ilmiah Psikologi Jurnal Kejaora (Kesehatan Jasmani dan Olahraga) MIMBAR : Jurnal Penelitian Sosial Dan Politik bit-Tech Journal of Economics, Business, and Government Challenges Dinasti International Journal of Digital Business Management JIIP (Jurnal Ilmiah Ilmu Pendidikan) Jurnal Islamika JENIUS: Jurnal Terapan Teknik Industri Ekasakti Jurnal Penelitian dan Pengabdian (EJPP) Edu Consilium : Jurnal Bimbingan dan Konseling Pendidikan Islam JURNAL ESA Muhadasah : Jurnal Pendidikan Bahasa Arab Jurnal Riset dan Pengabdian Masyarakat Arus Jurnal Pendidikan Transekonomika : Akuntansi, Bisnis dan Keuangan Salimiya : Jurnal Studi Ilmu Keagamaan Islam Jurnal Publikasi Ekonomi dan Akuntansi Journal of Indonesian Scholars for Social Research Journal of Technology Research in Information System and Engineering Journal of Education and Religious Studies Asketik: Jurnal Agama dan Perubahan Sosial TADRIS AL-ARABIYAT: Jurnal Kajian Ilmu Pendidikan Bahasa Arab AKHLAQUL KARIMAH: Jurnal Pendidikan Agama Islam Room of Civil Society Development TRIMAS: Jurnal Inovasi dan Pengabdian Kepada Masyarakat QANUN: Journal of Islamic Laws and Studies JIP: Jurnal Ilmu Pendidikan Getsempena Health Science journal Mutiara : Jurnal Ilmiah Multidisiplin Indonesia INTERNATIONAL JOURNAL OF SOCIETY REVIEWS (INJOSER) Jurnal Pengabdian Masyarakat dan Riset Pendidikan JFARM (Jurnal Farmasi) Journal Pemberdayaan Ekonomi dan Masyarakat Edukasiana : Journal of Islamic Education Kongga : Jurnal Pengabdian Masyarakat Sahaja : Journal Sharia and Humanities Sains: Jurnal Kimia & Pendidikan Kimia Asian Journal of Islamic Psychology JBK JOURNAL OF ISLAMIC COMMUNITY AND DEVELOPMENT JUBIKOPS AL-Ikhtiar : Jurnal Studi Islam Malaqbiq : Jurnal Pengabdian kepada Masyarakat. Computer & Science Industrial Engineering Journal Sanger: Social, Administration and Government Review Jurnal Pendidikan Teknik Mesin
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RANCANG BANGUN SISTEM INFORMASI E-LEARNING BERBASIS WEB PADA TPQ AL-MAARIJ Taufik; Silalahi, Mesri
Computer Science and Industrial Engineering Vol 6 No 4 (2022): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

E-learning is a teaching and learning process that is assisted by electronic media so that students and teachers can still carry out their activities without having to meet face to face. making e-learning using object-oriented methods. It contains UML methods such as use cases, activity diagrams, sequence diagrams, class diagrams.
An Application of Genetic Algorithm in Determining Salesmen’s Routes: A Case Study Noufal Zhafira; Feri Afrinaldi; Taufik
Jurnal Optimasi Sistem Industri Vol. 17 No. 1 (2018): Published in April 2018
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (802.344 KB) | DOI: 10.25077/josi.v17.n1.p26-34.2018

Abstract

This paper presents a case study of determining vehicles’ routes. The case is taken from a pharmaceutical products distribution problem faced by a distribution company located in the city of Padang, Indonesia. The objective of this paper is to reduce the total distribution time required by the salesmen of the company. Since the company uses more than one salesman, then the problem is modeled as a multi travelling salesman problem (m-TSP). The problem is solved by employing genetic algorithm (GA) and a Matlab® based computer program is developed to run the algorithm. It is found that, by employing two salesmen only, the routes produced by GA results in a 30% savings in total distribution time compared to the current routes used by the company (currently the company employs three salesmen). This paper determines distances based on the latitude and longitude of the locations visited by the salesmen. Therefore, the distances calculated in this paper are approximations. It is suggested that actual distances are used for future research.
Technical Evaluation and Financial Analysis of a Retrofitting Investment Project for Production Machinery in a Cement Plant Taufik; Nilda Tri Putri; Muhammad Kevin
Jurnal Optimasi Sistem Industri Vol. 22 No. 2 (2023): Published in December 2023
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (381.71 KB) | DOI: 10.25077/josi.v22.n2.p215-229.2023

Abstract

In today's rapidly evolving industrial landscape, businesses are increasingly challenged to strike a balance between enhancing productivity and maintaining product quality. Company X, a renowned cement manufacturer in Indonesia, relies heavily on four key raw materials, among which clay is particularly crucial for the raw mix. Recent trends have shown a decrease in the Al2O3 composition of clay, necessitating adjustments in clay capacity to uphold quality standards. A thorough technical evaluation of the plant highlighted that a significant number of critical machines, totaling 17, were operating with mechanical availability below the desired threshold. Additionally, a utility analysis pinpointed a shortfall in meeting the required clay tonnage, leading to the identification of machines that would benefit from retrofitting. The financial implications of this initiative were substantial, with the initial investment for the upgrades and subsequent operational costs in the first year being considerable. Yet, this expenditure was offset by a notable profit in the first year post-retrofitting. Key financial metrics further underscored the project's viability: a highly favorable Net Present Value (NPV), an impressive Internal Rate of Return (IRR), a rapid Payback Period (PP), and a significant Profitability Index (PI). These parameters, derived from an exhaustive analysis, clearly support the strategic decision to invest in retrofitting the production machinery at Company X's cement plant, illustrating the project's feasibility and the prospective benefits of this investment.
Keandalan Sistem Lintasan Produksi Pembuatan Pipa Taufik Taufik; Wirli Hidayanti
Jurnal Optimasi Sistem Industri Vol. 15 No. 2 (2016): Published in November 2016
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.v15.n2.p143-154.2016

Abstract

Production process of power pole involves connected production process flow between machines. Thus, the company must ensure the machine availability during production runs. PT Kunango Jantan as a company that produces pole power also considers machine availability. The level of machine availability can be seen from the high level of machine reliability. However, the company is still not been able to guarantee the availability of the machine so it is necessary to study the reliability of the system to help to take the right policy in handling pipe production machinery maintenance. The first step is to determine the distribution of machine damage. Minitab 16 software was used determine the type of distribution and distribution parameters of each machine damage. In addition, mean time between failure (MTBF) was calculated to the pipe manufacturing machine. The machine reliability was obtained based on a formula and parameters. The determination of the system reliability was derived from the block diagram in accordance with the condition of machines in the field. The analysis was performed using fishbone diagram to propose an attempt to increase the machine reliability. The results of this study indicate that the machine reliability in good level since the reliability value is between 0.901 to 1.000. The machine reliability in a series circuit is smaller than the machine reliability in a parallel circuit. Rs and R values of the system were 0.980 and 0.998. R system shows that the system has a good performance with a chance of machine damage during production <0.002 (0.2%).
Penentuan Interval Waktu Perawatan Komponen Kritis pada Mesin Turbin di PT PLN (Persero) Sektor Pembangkit Ombilin Taufik; Selly Septyani
Jurnal Optimasi Sistem Industri Vol. 14 No. 2 (2015): Published in October 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.n2.p238-258.2015

Abstract

Electrical energy requirements in Indonesia annually increase in line with economic growth and an increase in population. So, PT PLN (Persero) have to be able to fulfill the public demands for electrical energy. One of the power generation existed is Steam PowerGeneration. The condition of power generation depended on the maintenance, so, well maintenance made power plant operated at ease condition. Production process in SteamPower Generation of Ombilin used a closed cycle or continuous process. If a machine or an equipment damaged, it will stop the whole function. In the production process, the company involved several main engines are boiler, turbine, condenser, and generator. But the damage often occurs in turbine engine which caused the generation power in Steam PowerGeneration of Ombilin can not operate. Therefore, it needs a maintenance action of machinery/equipment to be able to prevent the damage. The right strategy to keep the engine operating is determining the optimal maintenance interval of equipment for minimizing downtime.The stages of this research begin by determining the critical engine with Criticality Analysis method. Then, the determination of the critical components using Pareto diagram. Then, the determination of the probability density function (pdf) and the reliability of critical components. After that, the determination of maintenance intervals of the critical components by using the criterion of minimizing the downtime that will be used to make maintenance scheduling.Based on the processing data has been done, it was found that the critical engine is a turbine engine with a total value is 44 and the critical components of a turbine engine are membrane turbine, bearing and turning gear with the examination time interval for each critical component are 960.48 hours (40 days), 908.57 hours (37 days) and 1150.28 hours (48days). While the preventive replacement intervals for components of turbine membrane is after operating for 3410 hours, the replacement for bearing components can be carried out during overhaul after operating for 8000 hours and the replacement intervals for components of turning gear is after operating for 4500 hours. The reliability values for each critical component before and after preventive maintenance remains the same, but the value of downtime on each component decreases. The total values of availability for each critical component exceeds 95%.
Perancangan Prototype Early Warning System pada Kontrol On/Off Belt Conveyor Menggunakan PLC Siemens S7-300 Taufik; Wahyuni Putri
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.p116-137.2015

Abstract

Nowadays, automation system become an important aspect of the manufacturing process because could make integration manufacturing process on it more effective and more efficient. PLC or Programmable Logic Controller is one kind of automation system. Many industries use PLC as automation control device in the manufacturing process to control all kind of process. For example at transportation process of coals in generator industry. Coals could be burned because main elements of coals are carbon, hydrogen, and oxygen. Base on this prototype early warning system design, we get the result if sensor thermocouple detects temperature larger than setpoint temperature (it is 2000C), then PLC will give an order to shut down the output, that is a belt conveyor. The result of this prototype design could use at coals transportation as an early warning system. The design of prototype early warning system could detect and prevent fire because of the consequence of burned coals until spreading of fire could be avoided.
Evaluasi Kinerja Pemeliharaan PLTA dengan Pendekatan Maintenance Scorecard dan Objective Matrix (OMAX) (Studi Kasus Unit Pembangkit Listrik Tenaga Air Maninjau) Taufik; Afrizal
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.p562-575.2014

Abstract

Hydropower is one of the power plants that supplies electrical energy. It has several machines and equipment that have a time limit of use. To anticipate the limitation of the use, maintenance of machinery and equipment are needed in order to return its original state and can perform its function as usual. Therefore some indicators required to determine maintenance work performance level to provide the optimal results. The Traditional measurement methods have some limitations that make it difficult to implement in industrial environments. This requires a performance measurement method that can provide a balanced perspective on the overall system performance. One of them is implementing the Maintenance Scorecard and Objective Matrix (OMAX) method to assess the performance of hydropower maintenance. Objective research in this assessment is to integrate Maintenance Scorecard and Objective Matrix (OMAX) approach in Maninjau Hydropower. Key Performance Indicators (KPI) are defined by 6 perspectives: productivity perspective, cost effectiveness perspective, a safety perspective, an environmental perspective, quality perspective and learning perspective. The priorities are determined by using Analytical Hierarchy Process (AHP). We then measure the performance of maintenance by using Objective Matrix (OMAX) until we get the level of achievement of the performance in the current situation.The results obtained in the process of designing the scorecard maintenance on the Maninjau hydropower that produces overall 20 KPI consists of 9 KPI for productivity perspective, 4 KPI for quality perspective, 2 KPI for safety perspective, 2 KPI for environmental perspective and 3 KPIs for learning perspective. There are 5 KPIs for corporate level, 8 KPIs for strategic level and 7 KPIs functional level. The operation results show the number of KWH that produced, Capacity Factor and Equivalent Outage Force Factor are in the yellow zone. It means the attentions and improvements are needed to improve performance in the next period.
Integrasi Frame Work Risk and Insurance Management Society (RIMS) dalam Analisis Kematangan Implementasi Manajemen Risiko (Studi Kasus: PLTA Maninjau) Taufik; Ahmad Fauzan
Jurnal Optimasi Sistem Industri Vol. 12 No. 2 (2013): Published in October 2013
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (740.476 KB) | DOI: 10.25077/josi.v12.n2.p411-419.2013

Abstract

Indonesia electrical energy consumption growth that reached 9.2% per year requires every plant to always pursue consistent and sustainable improvement to be able to cope with the growth. Maninjau Hydropower is one of the assets of strategic energy resources to meet the electrical energy supply, especially for the southern Sumatera region. Risk management in Maninjau hydropower take place without any standard of measurement standards, so management and risk management actors do not have an overview and guide to improve the performance of the risk management activities. In this study, a standard measure used is to measure the level of maturity of the risk management implementation using the framework of the Risk and Insurance Management Society (RIMS) for Enterprise Risk Management (ERM). Measurements carried out for the realization of the value and the expected value of risk management implementation in Maninjau hydropower, as well as designing the evaluation chart implementation of risk management by integrating Key Risk Indicators (KRI) from the expected value. Based on the results of the measurements made, it was found that the actual implementation of risk management in Maninjau hydropower located on the third level (repeatable), while the implementation of the expectation value is found to be at the highest level (leadership), and the percentage achieving overall expectation value has reached 62%. The draft also raises the risk evaluation chart 15 Key Risk Indicators to be achieved by Maninjau hydropower to achieve the expected value at the leadership level.
Mapping The Potential of The Economic Sector of Kediri Regency Sishadiyati; Taufik
Journal of Economics, Business, and Government Challenges Vol. 5 No. 01 (2022): Journal of Economics, Business, and Government Challenges [JoEBGC]
Publisher : Faculty of Economics and Bussiness, UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ebgc.v5i1.214

Abstract

The purpose of this study is to find out the mapping of the potential of the economic sector of Kediri Regency. The type of data used is secondary data with quantient Dynamic Location Analysis (DLQ) analysis methods and Klassen Typology. The results of this study concluded that the economic sectors that fall into the category of advanced and fast-growing (type I), namely: 1) the agricultural, forestry, and fisheries sectors; and 2) information and communication. While the economic sectors that fall into the category of lagging (type IV), namely: 1) mining and quarrying; 2) provision of accommodation and drinking meals; and 3) company services. While the potential economic sectors in the future, namely: 1) Agriculture; 2) Mining; 3) Industry; 4) Procurement; 5) Water Procurement; 6) Transportation; 7) Provision of Accommodation; 8) Information; 9) Financial Services; 10) Real Estate; 11) Company Services; 12) Administration of Government; 13) Educational Services; and 14) Other services. While the economic sectors that fall into the category are not potential, including: 1) Construction; 2) Trading; and 3) health care.
Konflik masyarakat dan perusahaan perkebunan serta alternatif penyelesaian di dusun rasau tanjung Syahril marta; Taufik
AL-Ikhtiar : Jurnal Studi Islam Vol. 2 No. 1 (2025): AL-Ikhtiar : Jurnal Studi Islam
Publisher : 4

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71242/1tnc8f50

Abstract

Abstrak  Proses pengembangan lahan yang dilakukan oleh perusahaan perkebunan kelapa sawit dalam beberapa tahun yang lalu telah banyak menimbulkan konflik dengan masyarakat. Tidak dipungkiri bahwa didusun rasau jaya memang memiliki potensi daerah yang tinggi pada sektor perkebunan kelapa sawit . Hal ini pula yang membuat perusahaan perkebunan kelapa sawit membangun perusahaan cabang, menguasai dan mengembangkan lahan menjadi perkebunan kelapa sawit didusun rasau tanjung. Melalui metode kualitatif dengan ini dipaparkan situasi dan fenomena yang konflik yang terjadi terutama penyebab dan upaya penyelesaian konflik tersebut.  Tingginya konflik yang terjadi antara masyarakat dan perusahaan, dapat dipaparkan penyebabnya antara lain: tuntutan masyarakat terhadap perusahaan. Kecemburuan sosial masyarakat lokal, penyerobotan lahan oleh masyarakat maupun perusahaan, kurangnya kepedulian pemerintah dalam penyelesaian konflik yang berkepanjangan serta beberapa penyebab lain yang memiliki karakteristik berbeda antar daerah. Beberapa konflik yang terjadi diberikan solusi alternatif penyelesaian diantaranya; berupa kajian kebijakan pemerintah terhadap izin perkebunan, pemetaan areal hutan dan perkebunan agar diperoleh tapal batas yang jelas, menghilangkan dasar konflik dari tindakan-tindakan mereka yang sedang berkonflik, kemenangan pihak yang satu dan kekalahan di pihak yang lain, kompromi, perdamaian dan ketidakmungkinan untuk berdamai, menggiat mediasi antara pihak yang berkonflik serta penerapan ajaran agama sebagai upaya agar intensitas maupun durasi konflik dapat dikurangi atau bahkan dapat direduksi terutama konflik yang telah berlangsung sekian lama akibat repetisi konflikkonflik yang terjadi sebelumnya.  AbstractThe land development process carried out by oil palm plantation companies in the past few years has caused many conflicts with the community. It is undeniable that in the Rasau Jaya hamlet does have high regional potential in the oil palm plantation sector. This is also what makes oil palm plantation companies build branch companies, control and develop land into oil palm plantations in the Rasau Tanjung hamlet. Through qualitative methods, the situations and phenomena of the conflicts that occur are explained, especially the causes and efforts to resolve the conflict. The high level of conflict that occurs between the community and the company can be explained by the causes, including: community demands on the company. Social jealousy of local communities, land grabbing by the community and companies, lack of government concern in resolving prolonged conflicts and several other causes that have different characteristics between regions. Several conflicts that occur are given alternative solutions, including; in the form of a study of government policies on plantation permits, mapping of forest and plantation areas in order to obtain clear boundaries, eliminating the basis of conflict from the actions of those in conflict, the victory of one party and the defeat of the other, compromise, peace and the impossibility of reconciliation, promoting mediation between the conflicting parties and the application of religious teachings as an effort so that the intensity and duration of the conflict can be reduced or even reduced, especially conflicts that have been going on for a long time due to the repetition of previous conflicts.
Co-Authors Abu Bakar Adam Adli, Faiz Haidar Satriani Afdhal Afrinaldi, Feri Afrizal Agus Halid, Agus Ahmad Fauzan Ahmad Fauzan Ahmad Nafisi Ahmad Syukri Ainal Mardhiah Aji, Galih Purnomo Ali Shaban Ali. H Alya Vinnisya Ami, Iin Sulastri Ode Amir Amir Nurllah ANGRIAWAN, RANDY Anna Muwaffika Annajih, Moh. Ziyadul Haq Aschari Senjahari Rawe Asep Supriyana Asniah Syamsuddin Asriani Audrey Sagita Purnomo Azwan A’inul Yaqin, Sa’id Bafadhal, Husin Bagas Bahta, Fida Bambang Siswojo Barry Nuqoba, Barry Candra Puspitaningtyas Danar Dwi Priatna DEWANTO Dona Sandy Yudasmara Dudun Ubaedullah Dulfikar, Akhmad Edi Puryanto Eldiene Zaura I’tamada Ellyana, Cut Putri Elvita Indah Cahyani Eny Purwandari Erni Qomariyah Erwin Fallz, Irvon Faqihuddin, Ahmad Faried Effendy Fat Chiya Nidaul Chusna Fauzia Putra, Dwi Fikriyah Mardhatillah Fitriyah, Afiyatul Frischa Meivilona Yendi Haeruddin Handa, Muhamad Idham Handayani, Arifah Hanifa, Dina Hariawan MD Harziko Hasddin Hermansyah Hermansyah Hermin Indah Wahyuni Husnul Khatimah Ichal ILHAM Imam Hariadi Ishak, Alfian Islami Fatwa Isneini Isneini, Isneini Iwan Jasman Juhaeni Kartono Kasim, Syaifuddin Suhri Lailatussaadah M Nur, Lailatussaadah Latifah Hanum Laurens Kaluge, Laurens Laxmi Luthfiyah, Rara M. E. Winarno Ma'arif, Muhammad Anas Magvira Marliana Marni Safitri Maslihatin, Tatik Matthew A. Guevara Mhd Yadi Harahap Miftahul Fikri Mochammad Rusli Mohammad Edy Nurtamam, Mohammad Edy Muchammad Ibnu Muzakir Muhajirin, Muhajirin Muhamad Badar Muhamad Sulhan Muhammad Arafah Muhammad Hamzah Pratama Muhammad Ikhsan Muhammad Iqbal Oshmany Muhammad Kevin Muhammad Mamduh Nuruddin Muhammad Sabri Mukaddas, Jamal Mukhlisin Mumtazah Murwanti mustafa, la ode Nailah Mumtazah Nashiruddin nasir, muh Nasrul Fuad Erfansyah Nayli Okta Dwi Pratiwi Nia Shinta Nilda Tri Putri Noufal Zhafira Nova Amalia Novita Andriyani NUR ISMI Nurfaiza Nurisman, Husain Nurlansi Nurliana Nurma Nurrul Riyad Fadhli Nurulqolbi, Safira Nurzal, Nurzal Pasnur Pina, Wa Ode Putra Husin, Osu Oheo Rahmalia Syahputri Ramadani, Anggi Retno Sunu Astuti Rianda, Faizar Rifaldi, Abid Rijannah , Fera Rizqoh, Jazilatur Roichatuzzuhriyah Filailatil Fitriyah Rokimin RR. Ella Evrita Hestiandari Sa'idah, Ishlakhatus Said Amirulkamar Salamun, Asmita Salsabila, Ainun Syifa Santosa, Tomi Apra Sapto Nugroho, Kandung Selly Septyani Setiawan, Rochiyat Sg Naiboho, Henry Sigit Widiyarto Silalahi, Mesri Siraj Sishadiyati Siti Hardiyanti Bahnar Siti Zahara Suci Lestari SUHARTO Sukiati Sultrayansa Suprapto, Hugo Susi Dewi Susanti Susiati Susiati, Susiati Syafri Syahril marta SYAMSURI Tri Susilowati Trisnawati, Sherli Ubaidillah Vanny Apriliyanti Vika Mustaqotul Firdaus Wahyuddin Wahyuni Putri Wilda, Raihan WINARTO Wirli Hidayanti Wiwik Handayani Zainul Arifin Zuhriah, Amillatuz Zulfikar