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All Journal Biospecies AL KAUNIYAH SPEKTRUM INDUSTRI TEKMAPRO Journal of Industrial Engineering and Management Inspiratif Pendidikan OPERATION EXCELLENCE: Journal of Applied Industrial Engineering PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Jurnal Penelitian Pendidikan IPA (JPPIPA) JATI UNIK : Jurnal Ilmiah Teknik dan Manajemen Industri Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Metode : Jurnal Teknik Industri Jurnal Biologi Tropis Tibuana : Journal of Applied Industrial Engineering Industri Inovatif : Jurnal Teknik Industri Matrik : Jurnal Manajemen dan Teknik Industri Produksi Dedikasi: Jurnal Pengabdian Masyarakat Community Development Journal: Jurnal Pengabdian Masyarakat Academia Open Jurnal Senopati : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering Indonesian Journal of Innovation Studies BIOMA : Jurnal Biologi dan Pembelajarannya Jurnal Pengabdian Masyarakat Akademisi PELS (Procedia of Engineering and Life Science) Takuana: Jurnal Pendidikan, Sains, dan Humaniora Jurnal Karya Abdi Masyarakat Journal of Fish Health Innovative Technologica: Methodical Research Journal Journal for Technology and Science IJOT Widya Teknik
Tedjo Sukmono
Universitas Muhammadiyah Sidoarjo
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ANALISIS KELAYAKAN INVESTASI ALAT PULLER PADA MESIN CORE UNTUK MENURUNKAN CYCLE TIME DI CV XYZ Rudy Bowo Leksono; Tedjo Sukmono
Spektrum Industri Vol. 16 No. 1: April 2018
Publisher : Universitas Ahmad Dahlan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/si.v16i1.9777

Abstract

Strategi global purchasing yang diterapkan oleh perusahaan produsen kendaraan bermotor di Indonesia telah memaksa suplier suplier lokal untuk berimprovisasi dan berinovasi dalam proses produksinya agar tetap bisa bersaing dengan kompetitor luar negeri. CV XYZ adalah sebuah perusahaan pengecoran besi yang memproduksi berbagai macam komponen otomotif. Perusahaan yang berlokasi di Kabupaten Pasuruan ini menjual hasil produksinya ke beberapa peusahaan produsen kendaraan bermotor di tanah air. Dalam upayanya meningkatkan daya saing, perusahaan ini membuat program cost reduction untuk menurunkan biaya produksinya. Salah satu upaya yang dilakukan adalah adanya usulan investasi alat puller yang dipasang di mesin core untuk menurunkan cycle time. Sebelum usulan investasi ini direalisasikan, perusahaan menginginkan dilakukan analisis kelayakan terlebih dulu. Dari hasil pengolahan data diperoleh besarnya biaya yang harus dikeluarkan oleh perusahaan untuk biaya investasi dan biaya operasional adalah Rp 16.203.923 sedangkan manfaat yang akan diterima sebesar Rp 29.547.013. NetPresent Value (NPV) nya sebesar Rp 1.416.191, Internal Rate Return (IRR) 16,08% dengan MARR yang ditetapkan perusahaan 15% sedangkan Pay BackPeriod (PBP) nya 1tahun 10,48 bulan. Dengan hasil seperti ini berarti investasi alat puller ini layak untuk direalisasikan.
Implementation of Nawaz, Enscore, and Ham (NEH) for Minimize Makespan in Job Shop Scheduling Adistyas Nastiti, Octavia; Sukmono, Tedjo
International Journal on Orange Technologies Vol. 7 No. 2 (2025): International Journal on Orange Technologies (IJOT)
Publisher : Research Parks Publishing LLC

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31149/ijot.v7i2.5438

Abstract

OPQ is a company that specializes in providing construction materials such as ready-mix concrete, precast concrete, concrete bricks and crushed stone. With 4 different compositions and high demand, it is not uncommon for problems to occur, namely late delivery. This research aims to increase work efficiency by minimizing makespan to reduce idle time which will impact delays in product delivery to customers. The results of production scheduling using the NEH method produce smaller makespan results and faster production process completion times compared to the scheduling method used by the company. The NEH method produces a makespan of 2.29 with the job sequence P3-P4-P2-P1. The method used by the company obtained a makespan of 3.01 with a partial work sequence of P2-P3-P4-P1. This can prove that the calculation results using the NEH method can minimize makespan and this method can be used by companies as a reference for scheduling the production process to overcome the problems being faced by the company.
Tractor Paint Quality Control By Integrating The Six Sigma Method And Fail Mode And Effect Analysis (FMEA) PT. XYZ Wahyu Setiawan, Ardhi; Sulistiyowati, Wiwik; Bamban Jakaria, Ribangun; Sukmono, Tedjo
International Journal on Orange Technologies Vol. 7 No. 3 (2025): International Journal on Orange Technologies (IJOT)
Publisher : Research Parks Publishing LLC

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31149/ijot.v7i3.5439

Abstract

XYZ is a company engaged in assembling agricultural machinery, namely four-wheeled tractors. The components of the four-wheeled tractor itself consist of the front wheels, rear wheels, engine, engine cover, chassis/frame, steering floor, steering seat, fenders, pedals and roof. For parts that will be assembled, the painting process is carried out within the company itself. Therefore, during the painting process, several problems arise, namely differences in color, paint thickness and paint strength. The painting process at this company has not yet reached zero defects, because several defects were still found in the fenders, floor (steering floor), and engine cover. Situations like this can result in increased production costs and decreased product quality, which ultimately reduces profitability. The aim of this research is to find out the main factors that cause defects in painting parts and make appropriate suggestions/improvements to reduce and prevent defects in the painting process. The method used is the Six Sigma method and the FMEA (Failure Mode Effect and Analysis) method. Six Sigma in technical methods is oriented towards a statistical approach to calculating product defects. The goal is to reduce process variance by eliminating defects that interfere with customer satisfaction. FMEA is a technical analysis which, if carried out correctly and at the right time, will provide great value in helping the decision making process. The research results show that the average DPMO value for tractor product production on weekdays from January 1 2023 to April 30 2023 is 107618.46 with an average sigma value of 2.74. The recommendation for improvement from the FMEA method is that the cause of the defect with the highest RPN value is painting that does not comply with the SOP of 576. The proposed improvement for the cause of this defect is supervision of painting employees.
Ethnozoological Study of Malay Tribal Communities in Mersam Village, Batanghari District Putri, Andini Faizatul; Sukmono, Tedjo; Nugraha, Anggit Prima
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8594

Abstract

Mersam Village is located in Mersam District, Batanghari Regency, and has many local wisdoms that are still preserved to this day. The Malay tribe, as the indigenous group, is the primary source of local wisdom in this village. This study aims to identify the species of animals used, describe traditional practices, outline community knowledge, and analyze the reasons why the community continues to maintain these utilization activities. The research method employed is a qualitative descriptive approach, which includes stages of preliminary surveys, interviews, participatory and non-participatory observations, and documentation. The selection of informants used purposive sampling techniques for key informants and snowball sampling techniques for general informants. Documentation and identification of samples were conducted in the field. The results of this study indicate that ethnozoology in Mersam Village utilizes 32 animals species. Ethnozoology in Mersam Village related to consumption utilizes five species, which include customary meanings and unique processing methods. Ethnozoology in Mersam Village in terms of medicine utilizes 17 species, based on hereditary knowledge through treatments provided by shamans. Ethnozoology in Mersam Village as a customary tradition utilizes five species, including practices that are only carried out in Mersam Village and must adhere to customary norms. Ethnozoology in Mersam Village as a sign or symbol utilizes 18 species, which are believed to represent good or bad omens. Additionally, there are 11 customary traditions that utilize animals.
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.
Observasi Biodiversitas Burung dan Habitatnya di Kawasan Cagar Budaya Nasional (KCBN) Candi Muaro Jambi Afrilia, Riska; Khairatinisa, Khairatinisa; Sukmono, Tedjo; Salsabila, Nisrina; Hadian, Mohammad Ekki
Takuana: Jurnal Pendidikan, Sains, dan Humaniora Vol. 4 No. 3 (2025): Takuana (October-December)
Publisher : MAN 4 Kota Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56113/takuana.v4i3.162

Abstract

Birds play an important role in ecosystem as pollinators and seed dispersers, so avian diversity can serve as an indicator of environmental quality. This study was at Muaro Jambi Temple, a National Cultural Heritage Area (KCBN), and began with a presentation on observation techniques, field identification, and understanding of ecological characteristics. The survey was conducted in two observation zones, namely the core zone and the buffer zone, using the point count method. Observers stood at specific points within the habitat and recorded bird sightings during defined time periods. Observations were conducted for one week in August 2025, from 6:00 a.m. to 9:00 a.m. and 3:00 p.m. to 6:00 p.m. The study recorded 79 species comprising a total of 327 individual birds. The Shannon-Wiener diversity index (H’) of 3.75 indicates a very high level of diversity in the area. Several species found are protected, including frugivorous and pollinating birds. Based on the IUCN Red List, identified species include the Java Sparrow (Vulnerable), the Ciblek/Perenjak (Near Threatened), and a numerous other species categorized as Least Concern. These findings emphasize the importance of conservation efforts at KCBN Muaro Jambi to preserve habitats and maintain the ecological function of birds.
Genetic Diversity of Mahseer (Tor spp.) in Jambi: A DNA Barcoding Approach for Conservation Nazifa, Boti Iffa; Sulistiono; Mashar, Ali; Sukmono, Tedjo
Al-Kauniyah: Jurnal Biologi Vol. 19 No. 1 (2026): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v19i1.46562

Abstract

Genetic-based management is a critical approach to maintain the sustainability of mahseer fish (Tor tambra and T. tambroides), which are facing threats from habitat degradation and overfishing in Jambi Province. This study aims to analyze the genetic diversity and population structure of mahseer using the COI gene markers. A total of 18 specimens were collected from six locations in the Jambi rivers (June-August 2024). DNA sequencing results showed 98.51–99.85% similarity to the references T. tambra and T. tambroides in GenBank. Phylogenetic analysis confirmed the grouping of this species, with a bootstrap value of 100% and closeness to the species Barbonymus gonionotus and Hampala macrolepidota. There were 11 haplotypes with the highest diversity at stations 3 and 6 (Hd= 0.90000), while moderate genetic differentiation (Fst= 0.109–0.141) was found between station 2 and other locations, indicating isolation due to habitat fragmentation. Water quality parameters (dissolved oxygen 6.3–7.1 mg/L, pH 7.0–7.3, current velocity 0.2–0.4 m/s) support habitat suitability, but anthropogenic activities potentially threaten genetic connectivity. These findings underscore the need for genetic data-driven conservation strategies, such as restocking of highly diverse populations and protection of critical habitats. Further research is needed to monitor long-term genetic dynamics.
Optimalisasi Preventive Maintenance Ground Power Unit pada Perawatan Pesawat Udara di PT. IAA AMO Menggunakan Metode FMEA Kurniawan, Sandi; Apriliana Sari Wulandari, Indah; Sukmono, Tedjo
JATI UNIK : Jurnal Ilmiah Teknik dan Manajemen Industri Vol. 8 No. 1 (2024): October
Publisher : Industrial Engineering, Engineering of Faculty, Universitas Kadiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jatiunik.v8i1.5535

Abstract

High operational costs and downtime risks can affect industry efficiency making equipment maintenance optimization an urgent need. PT. IAA AMO, as a manufacturing industry in the field of aircraft maintenance, faces significant challenges with the low reliability of Ground Power Unit (GPU) engines which only reaches 86%. This has led to an increase in the company's operating costs. The purpose of this study is to optimize Preventive maintenance on the Ground Power Unit (GPU) in aircraft maintenance at PT. IAA AMO using the Failure Mode and Effect Analysis (FMEA) method. The results show that the MTTF of the GPU is 311 hours, while the MTBF is 373 hours. To prevent  sudden breakdowns, preventive maintenance is recommended every 311 hours for non-repairable components  and 373 hours for repairable components. This research offers a more effective maintenance strategy to improve GPU reliability and lower operational costs. This research results in more effective maintenance planning, which not only minimizes downtime and operational costs, but also improves the overall reliability of the GPU machine. With the implementation of FMEA methods and  the right preventive maintenance  strategy, companies can anticipate breakdowns early, extend engine life, and ensure smooth operations in support of aircraft maintenance.
Prediksi Waktu Kerusakan Mesin Batching plant Menggunakan Metode Support Vector Machine untuk Meningkatkan Efisiensi Operasional Rany Riyantati, Dena; Sukmono, Tedjo
JATI UNIK : Jurnal Ilmiah Teknik dan Manajemen Industri Vol. 8 No. 1 (2024): October
Publisher : Industrial Engineering, Engineering of Faculty, Universitas Kadiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jatiunik.v8i1.5543

Abstract

The increasing need for productivity and the use of high technology in the form of machines increases the need for maintenance functions. At PT. XYZ, which produces ready mix concrete  , has problems with the production machine with excess machine load. This results in downtime and delays in the production process, resulting in a decrease in machine operational productivity. The purpose of this study is to predict the time of damage to the engine, so that it can determine the right engine maintenance schedule periodically. In this research, the method used is Support Vector Machine which is implemented to python. This prediction is carried out to improve the efficiency and performance of the machine by predicting damage or failure that may occur in the future. Where this SVM can accurately predict breakdowns and proactively optimize maintenance schedules at the right time. This allows companies to improve efficiency in their operational systems, extend the life of machines, and reduce maintenance costs.
WORKSHOP DAN TRAINING PENGGUNAAN MODEL PEMBELAJARAN KOLABORATIF-KREATIF SERTA MODEL PROJECT BASED LEARNING BERBANTUAN MULTIMEDIA INTERAKTIF DENGAN SISTEM BLENDED LEARNING BAGI GURU-GURU IPA SMP KABUPATEN BATANG HARI JAMBI Zurweni, Zurweni; Haryadi, Bambang; Hamidah, Afreni; Sukmono, Tedjo; Mardhotillah, Bunga; Suzanti, Sriliah
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 5 No. 4 (2024): Volume 5 No. 4 Tahun 2024
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v5i4.31190

Abstract

Guru sebagai pendidik yang menyelenggarakan proses pembelajaran di kelas, ditantang untuk mampu membelajarkan siswanya menjadi peserta didik yang kreatif dan inovatif sesuai tuntutan Era Global dimasa Industri 4.0 dan Society 5.0. Hal ini bisa terwujud, apabila guru-guru yang mendidik siswa tersebut mampu berkinerja kreatif dan inovatif terlebih dahulu dalam tugasnya sebagai pendidik. Kinerja ini juga harus didukung oleh lingkungan sekolah dan komunitas sesame bidang studinya masing-masing berbasis learning school.Program Merdeka Belajar Guru Penggerak. adalah program kebijakan Menteri Pendidikan, Kebudayaan, Riset dan Teknologi yang merancang bahwa Guru Penggerak ini diharapkan bisa menggerakkan kemerdekaan belajar siswa, dengan adanya kemerdekaan siswa belajar akan terjadi transformasi yang cukup potensial dalam pendidikan sekolah sehingga lebih berkualitas dalam tatanan etika pendidikan yang berkarakter baik. Pada kesempatan ini sekolah yang menjadi perhatian Tim Pengabdian ini adalah komunitas profesional MGMP Sains IPA SMP di Kabupaten Batang Hari Provinsi Jambi. MGMP Sains IPA SMP ini merupakan organisasi prosesi Guru yang anggotanya adalah seluruh Guru-guru IPA SMP di Kabupaten Batang Hari sebanyak 29 SMP. Sekretariatnya berjarak sekitar 56 km dari Kampus Universitas Jambi Mendalo. Pembaharuan atau inovasi kinerja yang secara kontinu harus dilaksanakan guru adalah dalam hal persiapan serta penggunaan perangkat pembelajaran yang selalu terbarukan, termasuk memvariasikan penggunaan Model-Model Pembelajaran di Kelas masing-masing. Guru-guru IPA di SMP se Kabupaten Batang Hari sebagian besar masih membutuhkan penyegaran dan pengayaan keterampilan berupa kompetensi pengayaan dalam memvariasikan dan merancang kinerja inovatif guru yang relevan dengan Merdeka Belajar Guru Penggerak. dan sejalan dengan tuntutan pembelajaran abad 21 dan sudah berada di Era Revolusi 4.0 dan Society 5.0 sekarang ini. Selanjutnya dalam rangka pengembangan kompetensi dan skills guru IPA SMP ini dalam hal merancang pembelajaran berbasis blended learning menggunakan model pembelajaran komtemprer, maka guru masih membutuhkan pendampingan maupun pelatihan singkat sehubungan dengan penyusunan Rencana Pembelajaranya. Sebagian besar guru IPA belum menguasainya. Tim PPM membekali Guru-guru melalui Learning Community MGMP Sains IPA SMP dalam memahami serta mengimplementasikan Model Pembelajaran Kolaboratif-Kreatif yang sudah memiliki Sertifikat Hak Cipta, dikembangkan oleh Zurweni dkk. Dan Model Project Based Learning atau Model PjBL oleh Boss & Larmer. Kedua Model Pembelajaran ini dapat membelajarkan learners dengan tantangan kemampuan berpikir tinggi atau High Order Thinking Skills. Metode pengabdian adalah workshop pembelakalan materi dan training. Luaran yang menjadi hasil pengabdian ini adalah Guru-guru IPA SMP Batang Hari memperoleh pengayaan pengetahuan dan keterampilan tentang penyusunan MODUL AJAR dengan Model Pembelajaran Kolaboratif-Kreatif berbantuan Multimedia Interaktif dan Model PjBL sebagai variasi pemanfatan model pembelajaran yang mendukung terpenuhinya tuntutan pembelajaran abad 21 di era global.
Co-Authors Abdul Rohman Abdul Rohman Adistyas Nastiti, Octavia Afreni Hamidah Afrilia, Riska Agus Subagyo Ahmad Fikri Ardianto Alfian Fajar Gunawan Ali Mashar Ali Sadikin Amatullah, Dhiny Angela, Fitrah Cornellya Apriliana Sari Wulandari, Indah Arba, Risqi Mutia Asni Johari Azhari, Asri Bambang Haryadi Boy Isma Putra Budi, Yusuf Effri Prastyo Cahyana , Atikha Sidhi Dani Sartika Dawam Suprayogi Diwanti Faradiba, Nabila Dristiana, Fila Dwi Kakung Saputro Dzati Fauziyah Ervan Johan Wicaksana Erwin Widiantono Fila Dristiana Gusti Nurina Azhariani Hadian, Mohammad Ekki Hafizah, Mutia Hana Catur Wahyuni Harlis Harlis Hartanti, Lusia Permata Sari Hery Murnawan, Hery Ihsan, Mahya Jamaluddin Jamaluddin Khairatinisa, Khairatinisa Krisna Risky Putra Irawan Leksono, Rudy Bowo Lestari, Wiwik Puji Lindyawati, Lely M.Haris Efendi Hsb Mardhotillah, Bunga Marodiyah, Inggit Mauli, Fajar Dwi Mishani, Adinda Chamilia Mochammad Imam Mashuri Mohammad Buchori Much Syafiudin Muhammad Arizki Zainul Ramadhan Muhammad Dio Dwi Septian Mukhammad Surya Lesmana Muswita Muswita Nafis Khumaidah Natalia, Desfaur Nazifa, Boti Iffa Novi Prastyanda Putra Pratama Nugraha, A. Prima Nugroho, Dizsa Arliansyah Nurma M. Hidayatulloh Octavia Adistyas Nastiti Pangestu, Retno Putra, Tri Syukria Putri, Andini Faizatul Putri, Arinda Jayanti Putri, Melinda Aprilia Rachman, Meisya Azzahra Radiana Atika Sari Rany Riyantati, Dena Rasyid, Mohammad Andi Ribangun Bamban Jakaria Rizky Janatul Magwa Rudy Bowo Leksono Salsabila, Nisrina SANDI KURNIAWAN Sanjaya, Muhammad Erick Saputra, Nur Qomaruddin Sari , Indah Apriliana Sari W, Indah Apriliana Sari Wulandari, Indah Apriliana Setiawan, Ari Rio De Sigit Wahono sisiliani, fitria trisna Sofillauny, Zahara Suhadak Sulistiono Suzanti, Sriliah Syaifullah, Dikril Ilham Tia Wulandari Upik Yelianti Utomo, Pradita Eko Prasetyo Varid Jainuri Wahono, Sigit Wahyu Nugroho Wahyu Setiawan, Ardhi Wardhani, Devira Kusuma Wawan Kurniawan Wijatmiko, Erie Fadma Noer Fitriana Winda Dwi Kartika, Winda Dwi Wiwik Sulistiyowati Wulandari, Indah Apriliana Sari Yoppie Wulanda Zurweni Zurweni