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FAKULTAS TEKNIK DAN KOMPUTER UNIVERSITAS PUTERA BATAM (Sistem Informasi, Teknik Informatika & Teknik Industri) Jl. R. Soeprapto – Tembesi – Batam – Kepulauan Riau
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Computer & Science Industrial Engineering Journal
Published by Universitas Putera Batam
ISSN : -     EISSN : 27156265     DOI : -
Core Subject : Science,
Computer Science & IT
Journal Comasie is a journal that combines 3 science namely informatics engineering, information systems and industrial engineering. The theme and scope can be seen in the scope section. This journal was created as a means of publicizing the results of research conducted by lecturers and students. This journal is published 3 times a year or every 4 months in a year. The main purpose of this journal is to facilitate students who want to publish their scientific work so that it will increase the profusion of knowledge. We on behalf of all the managers express gratitude for all efforts and support in the publication of this journal and our great hope that this journal can be a reference for the community in improving technology and to advance Indonesia (Amrizal, Andi, Welly, Rashid)
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 839 Documents
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ANALISIS PENGARUH BEBAN KERJA DAN STRES KERJA TERHADAP KINERJA KARYAWAN PRODUKSI DI PT EXCELITAS TECHNOLOGIES BATAM Jumarni; Sri Zetli
Computer Science and Industrial Engineering Vol 11 No 3 (2024): Comasi Vol 11 No 3
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i3.9073

Abstract

ABSTRACT Employee workloads vary depending on their specialized fields. For example, in the production area, workers are required to work swiftly due to the constant operation of production machinery. Certain positions, like the Hercules section operator assisting with the depanelizing process, are not appropriate for people in those professions. Support staff members have to put in extra hours because of the incoming and unloaded items. There are challenges due to data mistakes, the human calculating method, and the manual lifting of 5–10 kg objects. At PT Excelitas Technologies Batam, the goals of this research were to ascertain the effects of workload and work stress on manufacturing employee performance, as well as the results of measuring workload utilizing the NASA-TLX technique and measuring work stress using the Health and Safety Executive (HSE) technique. Using the technique of multiple linear regression, the HSE method, and the NASA-TLX approach, the study methodology is quantitative. The High mental load group's average score was 70.20 according to the data. Mental Needs is the most prominent measure of mental workload, with an average score of 5509.87. The average result of the job stress measurement was 142.3 and 81.31%. Employee performance is negatively but negligibly impacted by workload. Employee performance is negatively and significantly impacted by work stress. At PT Excelitas Technologies Batam, the performance of production staff is negatively impacted by workload and work stress.
ANALISIS PASOKAN BAHAN BAKU PISANG DENGAN PEMILIHAN PEMASOK PADA UKM AYUMI PASTRY Sinta Verda Ningsih, Sinta; Sumantika, Arsyad
Computer Science and Industrial Engineering Vol 11 No 2 (2024): Comasie Vol 11 No 2
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v11i2.9077

Abstract

Supplying raw materials and selecting suppliers is one of the most important things in producing quality products. UKM Ayumi Pastry experienced problems in managing the supply of banana raw materials optimally and experienced problems determining the best banana supplier. In this research, raw material inventory processing was carried out using the Economic Order Quantity (EOQ) method and supplier selection using the Analytical Hierarchy Process (AHP) method. The aim of this research is to analyze the supply of banana raw materials by selecting selected suppliers and ordering economical supplies. Control of raw materials using the EOQ method, namely economical ordering by placing 20 orders in 2023, the order quantity is 217.29 kilograms. Meanwhile, according to Ayumi Pastry's policy, this is done 13,25 times with an order quantity of 371 kilograms. The TIC according to EOQ for the costs incurred is Ro889,943 less than the costs incurred by the UKM Ayumi Pastry policy. For the AHP method, the supplier selected is Supplier A as the main priority in fulfilling banana raw materials with a weight of 0.5245 and Supplier B as a backup supplier in fulfilling banana raw materials is in Rank III with a weight of 0.1929.
ANALISIS RISIKO KESELAMATAN DAN KESEHATAN KERJA PADA PEKERJAAN JOINT MV PANEL DI PT XYZ Ahmad Rizal Fathurrohman; Ganda Sirait
Computer Science and Industrial Engineering Vol 11 No 2 (2024): Comasie Vol 11 No 2
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v11i2.9083

Abstract

PT XYZ is a company engaged in Industry and provider of business areas and business support facilities. One of the facilities provided by PT XYZ is power plant construction. In power plant construction there are various types of work, one of which is the joint Medium Voltage (MV) panel process. The problem that occurs in this study is that there are cases of work accidents that occur in the Joint mv panel process so that it is necessary to control K3 risks to prevent work accidents. The purpose of this study is to identify potential hazards and make control efforts to reduce the level of risk of hazards in joint mv panel work. The method used in this research is HIRADC (Hazard Identification and Risk Assessment Determining Control). The results of this study obtained a decrease in risk levels after control, where there are 2 jobs (29%) with extreme risk categories and 5 jobs (71%) with high-risk categories and no jobs with moderate and low risk levels. However, after controlling, there are no more jobs with extreme risk and high-risk levels, there are only 2 jobs (29%) with moderate risk and 5 jobs (71%) with low risk. Proposals given to carry out risk control are through affirming the work system and field work flow standards, improving the system, improving the control system through administration, developing human resources and improving the control system through engineering and PPE.
IMPLEMENTASI FINITE STATE MACHINE DALAM GAME EDUKASI BAHASA JEPANG Saputra, Juan; Handoko, Koko
Computer Science and Industrial Engineering Vol 11 No 2 (2024): Comasie Vol 11 No 2
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v11i2.9084

Abstract

The development of technology enables people to immerse themselves in Japanese culture, encompassing aspects such as fashion, culinary, arts, and language. This influence has sparked a rapid increase in Indonesian interest to learn Japanese. However, it is undeniable that few schools include Japanese language courses in their curriculums, this circumstances forces students to seek alternative learning sources such as private tutoring or courses. Moreover, traditional learning methods often leave students feeling bored dan exhausted, particularly through textbooks, thus demanding more engaging and relaxed learning approaches. Solas School of Languages, located in Batam, offers various language courses including Japanese. This study aims to implement the finite state machine method into an educational Japanese language visual novel game for Android, designed using Ren’Py game engine. This method will be applied to alter NPC character expressions within the game. The research output includes an educational Japanese language game featuring implemented finite state machines, the appearance of its interface, and data collected directly from students learning Japanese at Solas School of Languages. Thus, it is hoped that this research will demonstrate the effectiveness of game-based learning methods in making studying more engaging and assisting teachers in educating their students outside classroom.
PERBAIKAN PROSES SEWING JUMBO BAG PADA PT SUTAN MORA TEKNOLOGI Sitinjak, Chanro; Elsya Paskaria Loyda Tarigan
Computer Science and Industrial Engineering Vol 11 No 2 (2024): Comasie Vol 11 No 2
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v11i2.9085

Abstract

PT Sutan Mora Teknologi is manufacturing company engaged in the industry of making jumbo bags. The problem in this study is the result of curly stitch defects, stitches too edge, stitches not according to the pattern, broken stitches, jumping stitches, so it is not strong to withstand the load on the jumbo bag. The purpose of this study is to determine the cause of the defects of curly stitches, stitches too edge, stitches not according to the pattern, broken stitches, jumping stitches, so that it cannot withstand the load on the jumbo bag and to improve the sewing process of the jumbo bag. The method used in this research is the Six Sigma method with the DMAIC approach. From the results of this study, it is found that the cause of defects in curly stitches is that the lifeboat is often damaged, with an RPN value of 336, the seam is too edge is the seam position does not fit with an RPN value of 245, the seam does not fit the pattern is the seam pattern does not fit with an RPN value of 210, the seam breaks is the operator lacks knowledge with an RPN value of 256, the seam jumps is the work method is difficult to apply with an RPN value of 336. Improvements made to reduce the causes of curly stitch defects are to perform machine maintenance and replace the lifeboat with a new one, stitches too edge is to double check the stitches after completion of production and make a standard stitch distance against the edge of the jumbo bag, stitches not according to the pattern is to double check the stitches after completion of production, broken stitches is to accept sewing operators who are experienced enough, jumping stitches is to provide education / coaching to operators to provide easier working methods.
PENERAPAN DATA MINING UNTUK PREDIKSI PENGARUH PENGGUNAAN APLIKASI GETCONTACT TERHADAP KEAMANAN PENGGUNA DALAM MENERIMA PANGGILAN DAN PESAN Monika, Mayana Kris; Koko Handoko
Computer Science and Industrial Engineering Vol 11 No 4 (2024): Comasi Vol 11 No 4
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v11i4.9088

Abstract

The study predicts the impact of the GetContact application on user security by using data mining using Naïve Bayes techniques. By using GetContact as a spam and call information filter, users can find and filter unwanted calls and messages. The app send spam or scam notifications based on the labels on the numbers it calls, with milions of users worldwide. Using RapidMiner software to analyze the data, this study used user data in the Batamindo Dormitory Block Q17 Muka Kuning. There were a total of 91 data used, divided into 61 training data and 30 test data. The result of the prediction of the influence the use of the GetContact application with Naïve Bayes resulted in model performance of 83,33% accuracy, 80% precision, and 90% recall. These result show that Naïve bayes successfully predicted the test data class. Of the 30 test data, 16 have a “Yes” class and 14 have a “No” class. This shows that 16 out of 30 users believe that the GetContact app compromises user security, while 14 out of 30 users feel the opposite.
OPTIMASI PROSES PRODUKSI PLASTIK PENYIMPANAN MAKANAN DI PT SANIPAK INDONESIA Panniarti Lubis, Dewi; Elsya Paskaria Loyda Tarigan
Computer Science and Industrial Engineering Vol 11 No 3 (2024): Comasi Vol 11 No 3
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i3.9092

Abstract

Optimizing the production process is an activity carried out by production to increase efficiency, productivity and quality of each product produced. This activity is carried out by preventing the occurrence of several factors, one of which is waste in each process flow. The impact of waste that occurs on the production process flow is in the form of a decrease in the quality of the product being worked on. PT Sanipak Indonesia is a company engaged in the plastic manufacturing industry. One of them is food storage plastic, this company uses a Make to Order system. Food storage plastic production at PT Sanipak Indonesia experienced problems with product quality decreasing by up to 15% from the previous month. This results in many defective and wasted products in the storage warehouse, so that optimizing the production process does not run smoothly. The accumulation of defective products due to the production process that has been carried out causes losses for the company. Many products do not achieve good quality, this factor also occurs due to the minimal placement area for products that have been processed. Because production did not reach the desired quality target, overall improvements were made from the start to the end of the process. This research aims to find out how to reduce the waste that occurs so that the production process can run optimally. This research uses an analytical method based on the lean manufacturing approach with value stream mapping. To analyze waste, this research uses a fishbone diagram. The results obtained from periodic inspections carried out for 6 days were the occurrence of waste overproduction with the highest level of waste with a weight of 51.02%, and the lowest waste defect with a weight of 48.98%. This problem can be solved in several ways, one of which is repairing waste defects and waste overproduction by regularly calibrating machines or work tools according to SOPs, as well as replacing machines that are no longer suitable for reuse, and expanding storage warehouses by providing labels. product indication in each storage area. Based on the results of the Future State Mapping mapping carried out, a Process cycle efficiency value of 79.80% was obtained from 68.37%. These results showed that production had increased by 18.2%, which enabled the production process to optimize the production process again, so that the quality of the products produced increased again.
OPTIMASI KAPASITAS PRODUKSI PADA USAHA KECIL MENENGAH SARI RASA LESTARI Putri Edlin Solva; Elsya Paskaria Loyda Tarigan
Computer Science and Industrial Engineering Vol 11 No 4 (2024): Comasi Vol 11 No 4
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v11i4.9094

Abstract

The production process is an activity that can produce quality products. The production process can determine whether the product is good or bad. when the process runs optimally, the results will be optimal and vice versa. Sari Rasa Lestari Small and Medium Business is an SME located in Taman Lestari, Batu Aji, Batam., and is a business that is engaged in producing noodles. The aim of the research is to find out the combination of products that can produce maximum profits. The method used in this research is Linear Programming, the simplex method. The results of the mathematical calculations in the first iteration are the value X1 = 1250kg with the value Zmax = IDR 2,125,000.00. , Because the Z value is still negative, iterations are carried out until the Z value is not negative, namely in the fourth iteration with the resulting values ​​X1=1250kg, X2=1415.7kg, X3=761.7kg and X4=600 kg with a profit of Rp. 6,458,667 every month. Thus, the Sari Rasa Lestari Small and Medium Enterprises only produce x1, x2, x3 and x4 every month to get maximum profits
DIGITALISASI SISTEM KOPERASI KARYAWAN DENGAN APLIKASI BERBASIS ANDROID DI PT CITRA TUBINDO TBK Yusuf, Baharudin; Rahmat Fauzi
Computer Science and Industrial Engineering Vol 11 No 3 (2024): Comasi Vol 11 No 3
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i3.9097

Abstract

Dewasa ini menuntut banyaknya perubahan. Suka ataupun tidak suka masyarakat dituntut agar dapat berapdatasi dengan zaman yang semakin canggih. Baik dalam dalam dunia nyata maupun dunia digital. Ditengah majunya industri 4.0 banyak aktifitas yang dilakukan dari jarak jauh. Hal ini terjadi sejak bumi diterpa wabah covid-19. Semua aktifitas yang melibatkan orang banyak dengan jarak berdekatan harus di hindari. Seperti meeting, belanja kebutuhan pokok, maupun olahraga yang dilakukan secara tim. Hal ini merupakan program dari pemerintah yang harus dilakukan demi mencegah penyeberan wabah covid-19 agar tidak semakin luas penyebarannya. Yang mana penyebarannya dapat melalui kontak fisik langsung, udara dalam ruangan, dan juga melalui benda yang digunakan lebih dari satu orang. Koperasi karyawan merupakan sebuah organisasi yang dibentuk dan dikelola oleh karyawan perusahaan, dimana pengurus dan anggotanya merupakan karyawan dari perusahaan itu sendiri. Banyak orang yang lebih memilih melakukan transaksi jual beli secara online setelah maraknya wabah covid-19. Para pengembang aplikasi berlomba-lomba membuat aplikasi baik mobile maupun web ditengah menigkatnya kebutuhan sebuah sistem yang dapat menunjang kegiatan manusia agar dapat dilakukan dari jarak jauh. Para pengembang aplikasi mendesign aplikasi nya semenarik mungkin agar dapat memikat para pengguna ditengah banyaknya persaingan aplikasi yang mendukung untuk berbelanja secara online. Digitalisasi sistem akan sangat membantu setiap orang yang ingin melakukan transaksi jual beli tanpa harus memakan waktu yang lama. Sistem ini berbentuk aplikasi berbasis Android agar mudah diakses melalui smartphone oleh karyawan. Android merupakan sistem operasi berbasis Linux dengan lisensi Apache 2.0 yang dirancang untuk perangkat layar sentuh seperti smartphone. Adapun sistem aplikasi ini dibangun dengan menggunakan framework flutter sebagai frontend & express JS sebagai backend.
ANALISIS PENJADWALAN SISTEM PERAWATAN PADA MESIN PADA CV RING TECH ENGINEERING Tarihoran, Yulian Putri; Anggia Arista
Computer Science and Industrial Engineering Vol 11 No 3 (2024): Comasi Vol 11 No 3
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i3.9101

Abstract

CV Ring Tech Engineering is a type of business in the field of fabrication that processes machine jigs and fixtures and manufacturing equipment consisting of milling machines, grinding machines and lathes. The problem that occurs at CV Ring Tech Engineering is that there is damage to the lathe, thus hampering the pace of the production process. Some of the damage that occurs on the lathe is: belting is often loose, spindle vibration is unstable, cutting edges are often damaged or worn and the sled is difficult to shift. The purpose of this research is to determine the form of maintenance system scheduling on lathe machines at Cv Ring Tech Engineering The method used in this research is the RCM (Realiability Centered Maintenance) method. The results obtained The maintenance action on machine 01 was carried out a maintenance interval of 144.4 hours or 20 days, on machine 02 a maintenance interval of 182 hours or 7 days and on machine 03 a maintenance interval of 97.32 hours or 4 days.

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