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PUSAT RISET DAN INOVASI NASIONAL UNIVERSITAS SAINS DAN TEKNOLOGI KOMPUTER Alamat: Jl. Majapahit No.304, Palebon, Kec. Pedurungan, Kota Semarang, Jawa Tengah 50199
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Jurnal Riset Rumpun Ilmu Teknik (JURRITEK)
Published by Pusat Riset dan Inovasi Nasional
ISSN : 28290178     EISSN : 2829016X     DOI : 10.55606
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT
Sub Rumpun TEKNIK SIPIL DAN PERENCANAAN TATA RUANG 1. Teknik Sipil 2. Teknik Lingkungan 3. Rancang Kota 4. Perencanaan Wilayah dan Kota 5. Teknik Pengairan 6. Teknik Arsitektur 7. Teknologi Alat Berat 8. Transportasi 9. Bidang Teknik Sipil Lain Yang Belum Tercantum Sub Rumpun ILMU KETEKNIKAN INDUSTRI 1. Teknik Mesin (dan Ilmu Permesinan Lain) 2. Teknik Produksi (dan Atau Manufakturing) 3. Teknik Kimia 4. Teknik (Industri) Farmasi 5. Teknik Industri 6. Penerbangan/Aeronotika dan Astronotika 7. Teknik Pertekstilan (Tekstil) 8. Teknik Refrigerasi 9. Bioteknologi Dalam Industri 10. Teknik Nuklir (dan Atau Ilmu Nuklir Lain) 11. Teknik Fisika 12. Teknik Enerji 13. Penginderaan Jauh 14. Teknik Material (Ilmu Bahan) 15. Bidang Keteknikan Industri Lain Yang Belum Tercantum Sub Rumpun TEKNIK ELEKTRO DAN INFORMATIKA 1. Teknik Elektro 2. Teknik Tenaga Elektrik 3. Teknik Telekomunikasi 4. Teknik Elektronika 5. Teknik Kendali (Atau Instrumentasi dan Kontrol) 6. Teknik Biomedika 7. Teknik Komputer 8. Teknik Informatika 9. Ilmu Komputer 10. Sistem Informasi 11. Teknologi Informasi 12. Teknik Perangkat Lunak 13 Teknik Mekatronika 14. Bidang Teknik Elektro dan Informatika Lain Yang Belum Tercantum Sub TEKNOLOGI KEBUMIAN 1. Teknik Panas Bumi 2. Teknik Geofisika 3. Teknik Pertambangan (Rekayasa Pertambangan) 4. Teknik Perminyakan (Perminyakan) 5. Teknik Geologi 6. Teknik Geodesi 7. Teknik Geomatika 8. Bidang Teknologi Kebumian Lain Yang Belum Tercantum Sub Rumpun ILMU PERKAPALAN 1. Teknik Perkapalan 2. Teknik Permesinan Kapal 3. Teknik Sistem Perkapalan 4. Teknik Kelautan dan Ilmu Kelautan 5. Oceanograpi (Oceanologi) 6. Bidang Perkapalan Lain Yang Belum Tercantum
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 256 Documents
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Inovasi Material Beton Berbasis Limbah : Studi Pengaruh terhadap Kuat Tekan Diah Sarasanty; Tri Asmorowati, Erna
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.4937

Abstract

One of the impacts of the growth of activities in the transportation sector is the disposal of rubber tire waste. The increasing number of motorized vehicles in society has caused an increase in tire waste. Especially in developing countries, the use of plastic bottles has become an inevitable and unavoidable necessity for society. Inadequate waste management and handling causes negative impacts on the environment, such as hazards to human health, to animal life, soil, water, and air pollution. The purpose of this study was to reduce environmental pollution by testing the compressive strength of concrete made with a mixture of waste. Experiments were conducted in the laboratory with concrete cylinder test objects with a diameter of 150 mm and a height of 300 mm. The proportion of waste mixture, Polyethylene Terephthalate (PET), Rubber Powder, Waste Metalized Film Food Packaging (WMFFP) to fine aggregate was 0%, 5%, and 10%, each variation. The test results showed a compressive strength of 17.62 MPa, 15.29 MPa, and 14.83 MPa at the percentage of waste mixture. From this data, it can be concluded that waste materials can be used as a substitute for sand in concrete.
Rancang Bangun Alat Monitoring Pelampung Suar Berbasis Internet of Things (IoT) Terhadap Sarana Bantu Navigasi Pelayaran di Distrik Navigasi Tanjung Perak Surabaya Djaka Dewa Soekarno; Rizqi Aini Rakhman; Teguh Pribadi; Romanda Annas Amrullah
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.4957

Abstract

This research discusses issues related to the Navigation Aids, particularly the buoy objects. The study aims to design and develop a monitoring device for buoys based on the Internet of Things (IoT). This study aims to design and develop a buoy monitoring device based on the Internet of Things (IoT) as a solution to the lack of monitoring and supervision of buoys in the Tanjung Perak Navigation District. The identified contributing factors include: (1) displacement of buoys due to ocean currents, (2) suboptimal performance of the flasher lights, and (3) disappearance of the buoys. Using the Research and Development (R&D) method, the researcher designed a monitoring system capable of real-time observation through internet connectivity. The product feasibility test conducted by experts resulted in an average percentage index of 94%, placing it in the 'Highly Feasible' category for use. The results demonstrate that the IoT-based buoy monitoring device significantly enhances the efficiency and effectiveness of buoy supervision. This research is expected to contribute to the development of knowledge within the Bachelor of Applied Science in Marine Transportation program and provide technological innovation in the field of maritime navigation in Indonesia.
Pemanfaatan Pati Umbi Talas (Colocasia Esculenta [L] Schott) untuk Pembuatan Glukosa melalui Proses Hidrolisis Asam sebagai Bahan Baku Produksi Bioetanol Jonathan P Silalahi; Anerasari M; Erwana Dewi
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.4960

Abstract

Bioethanol can basically be made with basic ingredients in the form of vegetables which contain high starch and carbohydrates such as taro tubers (Colocasia esculenta [L] Schott). The choice of taro in making ethanol is because taro is classified as a tuber like cassava which has 66.8% starch content and 7.2% water content. The process of making glucose is done through acid hydrolysis (HCl) with variations in acid concentration (12, 14, 16, 18, and 20%) and hydrolysis time (1.5; 2; and 2.5 hours). From the analysis, it can be seen that the result of hydrolysis is liquid sugar (glucose) with the highest level of 27.8%brix.
Pengaruh Kegiatan Discharge Dry Bulk Cargo terhadap Short Cargo di PT Terminal Teluk Lamong Teuku Ali Wabiansyah; Elly Kusumawati; Anak Agung Istri Sri Wahyuni; Rizqi Aini Rakhman
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.4987

Abstract

The Influence of Dry Bulk Cargo Discharge Activities on the Occurrence of Short Cargo at PT. Terminal Trluk Lamong Dry bulk unloading activities using grab ship unloaders (GSU) and conveyors often result in an unloading process that differs from the specified loading plan, resulting in a quantity of dry bulk cargo that is lower than stated in the document, known as short cargo.This research uses an associative quantitative method to determine the relationship between loading duration (X1), cargo volume (X2), and short cargo (Y), as well as the simultaneous influence of each factor on short cargo. Multiple linear regression data analysis techniques are used to test the hypothesis, and the data are processed using the SPSS version 27 program. The results showed that unloading duration and cargo volume have a significant, though partial, effect on short cargo. They have an influence of 176.5% and 0.6%, respectively. The variables of loading duration and cargo volume cause short cargo to occur simultaneously. Thus, each factor has an 85.2% simultaneous influence on short cargo, while the remaining 14.8% is influenced by factors outside the scope of the study.
Klasifikasi Pemilihan Bibit Unggul Kelapa Sawit Menggunakan Algoritma Naïve Bayes Elsa Damayanti; Barry Ceasar Octariadi; Rachmat Wahid Saleh Insani
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.4991

Abstract

Oil palm is a key commodity supporting Indonesia’s economy through exports and employment. The industry’s success depends heavily on the selection of superior seedlings, which determine productivity, crop quality, and resistance to pests and diseases. Manual selection, however, often leads to subjectivity and inconsistency due to limited human resources and genetic variation. To address this, the study applies the Naïve Bayes algorithm for classifying oil palm seedlings based on seven variables: height, stem diameter, number of leaves, leaf color, disease resistance, root growth, and fruit yield. Using an explanatory quantitative method, the study follows seven stages: identifying problems, literature review, collecting 1,000 data entries from PT Intitama Berlian Perkebunan, data pre-processing, system modeling (UML), algorithm implementation, and evaluation using a confusion matrix and black box testing. Data was split into 80% training and 20% testing. The Naïve Bayes-based classification achieved 95% accuracy and perfect recall (1.00) for the superior seedling class. However, its performance on the minority class (non-superior seedlings) was weaker due to dataset imbalance. Black box testing verified all system functions worked correctly, enabling effective and efficient use by administrators. The study concludes that Naïve Bayes improves objectivity, efficiency, and accuracy in seedling selection. Nonetheless, attention is needed on data balancing and optimization to maintain consistent performance across classes. This system shows strong potential as a decision-support tool in plantations and promotes digital transformation in agricultural processes.
Evaluasi Pemborosan (7 Waste) dalam Proses Produksi PT XYZ dan Penerapan Lean Manufacturing 5S dan PDCA sebagai Solusi dalam Mengurangi Pemborosan Try Rachmi Pemila Putri; Bambang Darmawan; Pebi Yuda Pratama
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.4996

Abstract

This study aims to evaluate production waste at PT XYZ, a food manufacturing company in Bandung, Indonesia, which experiences inefficiencies caused by overproduction and product defects. A descriptive qualitative method with a case study approach was used, employing data from production reports, field observations, and interviews. The analysis was conducted using the 7 Waste framework, the 5S workplace organization method, and the PDCA (Plan-Do-Check-Act) cycle. The findings show that the main types of waste at PT XYZ are overproduction and defects, which are caused by inaccurate demand forecasting, ineffective layout, and inconsistent quality control. By implementing 5S and PDCA, the company successfully reduced waste, improved workspace organization, and increased process efficiency. This study provides practical insights for manufacturing companies seeking to implement lean strategies for continuous improvement.
Evaluasi Celah Keamanan dengan Metodologi Vulnerability Assessment Sebagai Penilaian Tingkat Kerentanan pada Domain Unud.Ac.Id Dd Hassel Putra Q; Ilham Ammarul Aziz; Eginna Gresia Br Purba; Dewa Made Wiharta; I Gusti Ayu Garnita Darmaputri
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.5004

Abstract

Website security is a crucial aspect, especially for educational institutions that manage sensitive data. Udayana University has over 500 subdomains, but not all have undergone security evaluation, potentially posing significant risks. This study aims to identify security vulnerabilities, assess risk levels, and provide mitigation recommendations. The subdomain ee.unud.ac.id was selected as a sample because it uses a template similar to many other university websites. The method employed is Vulnerability Assessment using white box testing, with tools such as OWASP ZAP, Nessus, RapidScan, and the Snort Intrusion Detection System (IDS). The analysis is based on the OWASP Top 10 (2021) and the CIA Triad principles. The results revealed 25 types of threats across three risk levels and 24 alerts from Snort, indicating potential internal and external threats. Recommended mitigations include strengthening security configurations, implementing firewalls, and regularly updating systems. This study emphasizes the importance of routine security testing and the use of IDS to safeguard systems against cyberattacks.
Analisis Peranan Handling Cargo Terhadap Proses Bongkar Muat di PT. Terminal Teluk Lamong Faradita Ayu Anggraini; Intan Sianturi; Prima Yudha Yudianto; Rizqi Aini Rakhman
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.5019

Abstract

The role of Cargo Handling on the Loading and Unloading Process at PT Terminal Teluk Lamong is very important for the loading and unloading process at the port. This research aims to identify various technical and non technical obstacles in the operation of cargo handling equipment such as ASC, forklift, and reach stacker. The interview results showed that there are four main factors that become obstacles in the loading and unloading process, namely machines, methods, facilities, and manpower. Further analysis using fishbone diagrams reinforced these findings by outlining the causes of each factor, ranging from machine interference, wrong container placement methods, limited technological facilities such as Container Scanner Reader (CSR), to the driver’s lack of understanding of the automation system. Quantitatively, the efficiency of cargo handling was evaluated through the 2023 container throughput, which showed a positive trend with a significant increase in load activity, especially in October which recorded the highest number of 39.106 Boxes. The analysis concluded that although there are various obstacles in cargo handling practices, the system implemented by PT Terminal Teluk Lamong has generally been able to improve the efficiency of the loading and unloading process, as evidenced by the volume of container handling.
Sistem Monitoring Produk Pasar Tradisional : Studi Data Loadcell dan TCS230 Untuk Klasifikasi Berat dan Jenis Produk Muhammad Arif Perdana; Dewi Permata Sari; Johansyah Al Rasyid
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.5025

Abstract

Traditional markets are characterized by fast-paced and diverse transactions, necessitating a reliable product monitoring system to enhance the efficiency of stock management and transactions. This study develops a monitoring system based on a loadcell sensor and a TCS230 color sensor to automatically classify product weight and type. The loadcell is used to measure product weight with high accuracy, while the TCS230 detects the color characteristics of products to distinguish between different types of commodities, such as various varieties of chili peppers. The development process includes sensor calibration, dataset collection, and the training and evaluation of a classification model. Experimental results show that the classification accuracy exceeds 90%, demonstrating the effectiveness of combining weight and color data for market product recognition.
Analisis tidak Centernya Shaft pada Kinerja Cargo Oil Pump di Kapal MT. Kurau Rochmad Hidayat; Muhammad Darwis; Indah Ayu Johanda Putri; Agus Prawoto; Frenki Imanto; Shofa Dai Robbi
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.5040

Abstract

This study discusses the causes of leakage in cargo oil pumps, which play a crucial role in the discharge operation of tankers carrying oil, chemicals, and gas. Regular maintenance is essential to prevent damage that could hinder the ship's operations. The method used is descriptive qualitative, with data gathered from observations, interviews, documentation, and literature review. The analysis is conducted using Fishbone to identify the root causes of the problem. The results show that leakage occurs due to the misalignment of the pump shaft. This misalignment causes excessive vibration at high speeds, damaging components, especially the carbon seal face of the mechanical seal, leading to leakage of cargo. Preventive measures include regular and scheduled maintenance, proper lubrication, routine inspection while the pump is running, and alignment checks to ensure the shaft is straight. If any issues are found, repair or replacement with new parts is necessary to ensure the pump operates efficiently and the discharge process runs smoothly.

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