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IDENTIFIKASI INTERAKSI MANUSIA DAN KOMPUTER BERBASIS COMPUTER VISION SYNDROME PADA UNIT REFINERY CENTRAL CONTROL ROOM Muchamad Sugarindra; Zuhdi Allamsyah
Teknoin Vol. 23 No. 1 (2017)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol23.iss1.art8

Technology usage for elevating work productivity still cannot be separated from human control. Therefore, company performance will be affected by the operatorâ€™s quality. Computer interaction, as an example of technology used, is dominating the work performed. Continuous and repetitive used will affect the occupational health. Hence, it will increase the risk of Computer Vision Syndrome (CVS). Computer Vision Syndrome (CVS) is defined as a collection of symptoms related to eyes caused by computer usage and affected by several factors. Those factors can be divided into individual and external factors. The problem of this research is to determine whether there is a relationship between CVS with the internal and external factors. The type of research is non experimental quantitative with correlational research design and cross sectional approach. While the respondents are twelve operators of Refinery Central Control Room (RCCR). Spearman Rho test is used to find relationship among variables. The results from this research indicate that there is correlation between age and the resulting CVS symptoms with the value of p is 0,04 (p<0 05). But, there are no correlation between CVS and other factors (eye glasses, length of work duration, break time, eye sides distance). Not all internal and external factors have correlation with the accuracy of CVS. This Research shows correlation between internal factors and CVS. It was aging. Aging is degenerative processes which lower the body function periodically. Therefore, there are correlation between age and CVS. But, there are not for other factors.

MENGGALI POTENSI KEKAYAAN MOTIF BATIK MODERN PERKUMPULAN BATIK SIDO LUHUR PAKUALAMAN YOGYAKARTA Muafi Muafi; Muchammad Sugarindra; Endar Abdi Prakoso
Panrita Abdi - Jurnal Pengabdian pada Masyarakat Vol. 4 No. 2 (2020): Jurnal Panrita Abdi - Juni 2020
Publisher : LP2M Universitas Hasanuddin

Exploring the Potential Wealth of Modern Batik Motif Sido Luhur Pakualaman Batik Association YogyakartaAbstract. Sido Luhur Pakualaman Batik Association has a unique batik motif that is Mount Ketur motif. The Mount Ketur motif comes from historical values in the Pakualaman community. The historical value which is embodied in the batik motif is one of creativity forms from the craftsmen for their intellectual property. Each motif formed from each batik craftsman has extraordinary potential in terms of beauty, local wisdom, and meaning of life. Batik motifs become a very decisive element because from the motif, we will know whether batik has a "spirit" or not. This service activities has aim to explore and demonstrate the potential wealth of batik motifs owned by the Sido Luhur batik association so that it can be used as a medium for product quality improvement and product promotion media. The activity method consists of 3 steps: discussion, socialization, and intense mentoring. The results of community service activities have a positive impact on associations, such as increasing the member’s creativity, number of modern motifs created, and ability to maintain product quality. Beside that, the community service activities also can compile product catalogs of all batik motifs and have a strong enthusiasm to obtain Intellectual Property Rights in the form Copyright of batik motifs.Keywords: batik motifs, philosophy, utilization.Abstrak. Perkumpulan Batik Sido Luhur Pakualaman memiliki motif batik yang khas yaitu motif Gunung Ketur. Motif Gunung Ketur sendiri berasal dari nilai-nilai histori yang ada di masyarakat Pakualaman. Nilai histori yang diwujudkan dalam bentuk seni motif batik tersebut merupakan salah satu bentuk daya kreativitas pengrajin atas kekayaan intelektual yang dimilikinya, sehingga setiap motif yang terbentuk dari masing-masing pengarjin batik memiliki potensi yang luar biasa dari segi keindahan, kearifan lokal dan makna hidup. Motif batik menjadi unsur yang sangat menentukan karena dari motif itulah dapat diketahui apakah sebuah batik memiliki “roh” atau tidak. Kegiatan pengabdian ini memiliki tujuan untuk menggali dan menunjukkan potensi kekayaan motif batik yang dimiliki oleh perkumpulan batik Sido Luhur sehingga dapat dimanfaatkan sebagai media peningkatan kualitas produk dan media promosi produk. Metode kegiatan terdiri dari 3 langkah yaitu diskusi, sosialisasi dan pendampingan secara intens. Hasil kegiatan pengabdian memberikan dampak yang positif bagi perkumpulan, diantaranya meningkatkan daya kreatifitas anggota, menambah jumlah motif modern yang diciptakan, menambah kemampuan untuk menjaga kualitas produk, tersusunnya katalog produk dari semua motif batik yang dimiliki serta memiliki semangat yang kuat untuk mendapatkan Hak Kekayaan Intelektual berupa Hak Cipta motif batik.Kata Kunci: motif batik, filosofi, pemanfaatan.

DISAIN OPTIMAL KUALITAS MEKANIS KAIN TENUN MENGGUNAKAN METODE VIKOR Ali Parkhan; Muchamad Sugarindra
Jurnal Disprotek Vol 13, No 2 (2022)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v13i2.3375

Kualitas mekanis kain tenun dapat diidentifikasi antara lain dari kekuatan tarik kain dan kekuatan sobek kain dengan fungsi obyektif Larger the Better (LTB). Upaya untuk meningkatkan kualitas kain tenun dapat dilakukan melalui eksperimen dengan mengendalikan faktor-faktor yang dapat mempengaruhinya yaitu tetal benang lusi (A), tetal benang pakan (B), kehalusan benang lusi (C), kehalusan benang pakan (D), twist benang lusi (E), twist benang pakan (F), panjang staple serat sisal G). Kombinasi level faktor yang menghasilkan kualitas kain yang optimal diperoleh pada kombinasi level faktor A2, B2, C1, D1, E1, F2, dan G1, yang berarti sistem bekerja pada tetal benang lusi 62 helai/inchi, tetal benang pakan 58 helai/inchi, kehalusan benang lusi 30 Ne1, kehalusan benang pakan 30/2 Ne1, twist benang lusi 20 twist/inchi, twist benang pakan 24 twist/inchi dan panjang staple serat sisal 50 cm. Kombinasi ini mampu menaikkan kekuatan tarik kain sebesar 240,00 N (naik 28,34%) dan kekuatan sobek kain sebesar 20,150 N(naik 31,91%) terhadap kondisi awal. Kombinasi level faktor optimal tidak sensitif terhadap perubahan bobot atribut kualitas tetapi sensitif terhadap perubahan biaya utilitas produk

Augmented reality-based application design with rapid prototyping method to support practicum during the covid-19 pandemic Abdullah 'Azzam; Muchamad Sugarindra; Qurtubi Qurtubi
Jurnal Sistem dan Manajemen Industri Vol. 6 No. 2 (2022): December
Publisher : Universitas Serang Raya

The COVID-19 pandemic that has occurred throughout the world has hampered the world of education in carrying out the learning process. It requires the world of education to make rapid changes to the concept of learning so that the results of the learning process remain following the curriculum. However, during a pandemic, students are forced to study from home. Of course, this limits the essence of the practicum, which has to be done in the laboratory because students need interaction activities with machines. Augmented reality (A.R.) is a technology that allows users to interact with virtual objects. In this study, the application design is carried out using the rapid prototyping method, which can quickly accommodate the application development process. This study proves that AR-based applications can increase the understanding of 58% of students about the use of lathe, milling and 3D printing machines.

Optimizing Inventory Control Using Min-Max Method for Sustainable Manufacturing Process Prayoga Prima Hermawan; Qurtubi; Haswika; Muchamad Sugarindra
Advance Sustainable Science Engineering and Technology Vol. 7 No. 1 (2025): November-January
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i1.1337

Inventory plays an important role in a company's production process, especially in the sustainable manufacturing industry. The inventory of raw materials such as rayon, polyester, and cotton is an essential element that needs to be controlled to maintain a smooth production process. This research aims to plan and control raw materials through the min-max method, with a focus on evaluating inventory control to identify and overcome existing problems in the raw material warehouse at a yarn and textile manufacturing company. The results show that each type of raw material has a different reorder level, which guides the company in avoiding the risk of shortage or excess stock. By applying the right reorder level, the company can improve its production efficiency and inventory management. This research contributes to the practice of inventory control in the sustainable manufacturing industry, which supports operational stability and minimizes resource wastage. The implications of the findings could expand the application of min-max method-based inventory control in other industries to support operational sustainability.

Assessment of Occupational Noise Exposure in Industrial Environments: A Case Study in Metal Casting Dwiandra, Annisa Restia; Qurtubi; Haswika, Haswika; Sugarindra, Muchamad
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/3aqgpy70

Good work environment conditions can affect the increase in worker productivity. One of the work environment factors that needs to be considered is distraction. Noise problems not only interfere with concentration but can also damage workers' hearing and reduce overall work safety. Therefore, this study aims to analyze the noise level in the work area in the production process of a company engaged in the metal casting industry and provide recommendations that can reduce the negative impact on the workforce. This measurement uses Decibel X with a time interval of five seconds, and then data processing is carried out to determine the LTm5 value. The measurement results show that the level of disturbance in some work areas exceeds the recommended threshold, increasing the risk of worker health problems. To reduce this negative impact, the study provides the provision of personal protective equipment (PPE), such as earplugs, as well as the implementation of occupational safety and health (OHS) socialization. This research makes an essential contribution to the management of nuisance risks in industrial environments, especially in improving worker safety and health through effective mitigation strategies.

Optimizing Inventory Control Using Min-Max Method for Sustainable Manufacturing Process Hermawan, Prayoga Prima; Qurtubi; Haswika; Sugarindra, Muchamad
Advance Sustainable Science Engineering and Technology Vol. 7 No. 1 (2025): November-January
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i1.1337

Inventory plays an important role in a company's production process, especially in the sustainable manufacturing industry. The inventory of raw materials such as rayon, polyester, and cotton is an essential element that needs to be controlled to maintain a smooth production process. This research aims to plan and control raw materials through the min-max method, with a focus on evaluating inventory control to identify and overcome existing problems in the raw material warehouse at a yarn and textile manufacturing company. The results show that each type of raw material has a different reorder level, which guides the company in avoiding the risk of shortage or excess stock. By applying the right reorder level, the company can improve its production efficiency and inventory management. This research contributes to the practice of inventory control in the sustainable manufacturing industry, which supports operational stability and minimizes resource wastage. The implications of the findings could expand the application of min-max method-based inventory control in other industries to support operational sustainability.

QUALITY CONTROL OF REGULAR SLOTTED CONTAINERS PRODUCTION PROCESS USING FAILURE MODE AND EFFECT ANALYSIS AND FAULT TREE ANALYSIS Sugarindra, Muchamad; Tyas, Sekar Wijayaning; Parkhan, Ali; Fauza, Erlangga
Jurnal Disprotek Vol 16, No 2 (2025)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v16i2.8343

Quality control is an effort to ensure that the products produced meet the specified standards. The regular slotted containers (RSC) produced by PT. XYZ carry a high risk of defects during the production process, which can decrease product quality and company profitability. This study aims to evaluate the conformity of the production process with quality standards and to identify the root causes of defects and their improvement priorities. The methods used are Fault Tree Analysis (FTA) to systematically identify the root causes of defects, and Failure Mode and Effect Analysis (FMEA) to assess risk levels and develop improvement recommendations. The results revealed 38 types of defects, with delamination as the most dominant defect, caused by improper glue gap settings. Contributing factors include a lack of machine automation, fluctuations in raw material humidity, and inadequate glue gap inspections. The FMEA analysis showed that failures due to glue gap issues had the highest Risk Priority Number (RPN), which was 240, making it the top priority for improvement efforts. Recommended corrective actions include the implementation of automatic sensors, operator training, control of raw material humidity, and standardization of production parameters. The combined use of FTA and FMEA has proven to be effective in addressing quality issues in the company.PENGENDALIAN KUALITAS PROSES PRODUKSI REGULAR SLOTTED CONTAINERS MENGGUNAKAN FAILURE MODE AND EFFECT ANALYSIS DAN FAULT TREE ANALYSISPengendalian kualitas merupakan upaya untuk memastikan bahwa produk yang dihasilkan memenuhi spesifikasi yang telah ditetapkan. Produk regular slotted containers (RSC) pada PT. XYZ memiliki risiko cacat yang tinggi selama proses produksi, yang dapat menurunkan kualitas dan profitabilitas perusahaan. Penelitian ini bertujuan untuk mengevaluasi kesesuaian proses produksi dengan standar mutu yang ditetapkan serta mengidentifikasi akar penyebab cacat dan prioritas perbaikannya. Metode yang digunakan adalah Fault Tree Analysis (FTA) untuk menemukan akar penyebab cacat secara sistematis, serta Failure Mode and Effect Analysis (FMEA) untuk menilai tingkat risiko dan menyusun rekomendasi perbaikan. Hasil penelitian menunjukkan terdapat 38 jenis cacat, dengan delaminasi sebagai cacat dominan yang disebabkan oleh pengaturan glue gap yang tidak sesuai standar. Faktor penyebabnya antara lain kurangnya sistem otomatisasi, fluktuasi kelembapan bahan baku, dan inspeksi glue gap yang tidak berkelanjutan. Analisis FMEA menunjukkan bahwa kegagalan akibat glue gap memiliki nilai Risk Priority Number (RPN) tertinggi, yaitu 240, sehingga menjadi prioritas utama dalam upaya perbaikan. Penerapan sensor otomatis, pelatihan operator, pengendalian kelembapan bahan baku, dan standarisasi parameter produksi sebagai langkah perbaikan untuk mengatasi permasalahan terpilih. Penerapan FTA dan FMEA terbukti efektif menyelesaikan permasalahan kualitas pada perusahaan.

Augmented reality-based application design with rapid prototyping method to support practicum during the covid-19 pandemic 'Azzam, Abdullah; Sugarindra, Muchamad; Qurtubi, Qurtubi
Jurnal Sistem dan Manajemen Industri Vol. 6 No. 2 (2022): December
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v6i2.4704

The COVID-19 pandemic that has occurred throughout the world has hampered the world of education in carrying out the learning process. It requires the world of education to make rapid changes to the concept of learning so that the results of the learning process remain following the curriculum. However, during a pandemic, students are forced to study from home. Of course, this limits the essence of the practicum, which has to be done in the laboratory because students need interaction activities with machines. Augmented reality (A.R.) is a technology that allows users to interact with virtual objects. In this study, the application design is carried out using the rapid prototyping method, which can quickly accommodate the application development process. This study proves that AR-based applications can increase the understanding of 58% of students about the use of lathe, milling and 3D printing machines.

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