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Jurnal Kendali Teknik dan Sains
Published by International Forum of Researchers and Lecturers
ISSN : 29864429     EISSN : 29863228     DOI : 10.59581
Core Subject :
Jurnal Kendali Teknik dan Sains dengan e-ISSN : 2986-3228, p-ISSN : 2986-4429 adalah jurnal yang ditujukan untuk publikasi artikel ilmiah yang diterbitkan oleh International Forum of Researchers and Lecturers. Redaksi menerima artikel berbasis teori dan penelitian. Cakupan keilmuan Jurnal ini meliputi pengetahuan dan informasi riset atau aplikasi riset dan pengembangan terkini dalam bidang teknologi. Ruang lingkup meliputi bidang Informatika, Teknik Mesin, Teknik Elektro,Teknik Sipil, Teknik Industri, Ilmu Komputer dan Sains. Jurnal ini terbit 1 tahun 4 kali (Januari, April, Juli dan Oktober).
Arjuna Subject : -
Articles 148 Documents
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Analisis dan Validasi Kinerja Oxygen Analyzer melalui Factory Acceptance Test (FAT) pada Proyek Industri di PT JGC Indonesia Nada Aqilah Izzatinnisa; Pujianto Pujianto
Jurnal Kendali Teknik dan Sains Vol. 4 No. 1 (2026): Januari: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i1.6000

Abstract

Operational quality in the oil and gas sector strongly depends on the accuracy of monitoring instruments, such as oxygen analyzers. This study aims to validate the performance of an oxygen analyzer using the Factory Acceptance Test (FAT) procedure conducted by PT JGC Indonesia. The testing methodology involves the use of reference gases at different concentration levels, including nitrogen as the zero gas, to evaluate the linearity and consistency of the analyzer output within the 4-20 mA signal range. In addition, the tests are performed to verify the conformity of the instrument response with the datasheet specifications and applicable FAT procedures. The results show that the analyzer provides accurate measurement data with low deviation and a responsive alarm system under critical conditions. These findings confirm that the instrument meets the required technical standards. Based on the validation results, the oxygen analyzer is considered ready for installation and suitable for operation to support process safety in oil and gas facilities. This achievement confirms that a rigorous validation process is key to ensuring peace and operational safety in the oil and gas industry.
Pengembangan Modul Praktikum Smart Relay Berbasis Problem Based Learning untuk Meningkatkan Hasil Belajar Siswa pada Mata Pelajaran Instalasi Motor Listrik Indri Setianingrum; Subuh Isnur Haryudo
Jurnal Kendali Teknik dan Sains Vol. 4 No. 1 (2026): Januari: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i1.6010

Abstract

This study aims to evaluate the validity, effectiveness, and practicality of developing problem-based teaching materials for improving student learning outcomes. The research focuses on a practical module for the subject of electric motor installation at SMKN 1 Driyorejo, where interviews and needs assessment revealed issues such as teacher-centered learning and limited student resources, primarily relying on notebooks. These factors have hindered optimal learning outcomes. The development of problem-based learning modules was intended to address these issues and improve cognitive, affective, and psychomotor learning outcomes. The research follows a Research & Development (R&D) approach with four steps: 1) Define, 2) Design, 3) Develop, and 4) Disseminate, using a one-shot case study trial design. The study involved 30 students of grade XI TITL 1 at SMKN 1 Driyorejo. Results showed the module’s validity at 3.66, practicality based on student responses at 89.25, and effectiveness with cognitive, psychomotor, and affective outcomes of 84.93, 89.40, and 94.00, respectively. These findings suggest that the problem-based practical module is valid, practical, and effective for improving student learning outcomes across various domains.
Studi Kasus Integrasi Current Transformer (CT) dan EOCR untuk Pengamanan Arus pada Panel Cooling Tower Pump di PT DongJin Indonesia Muhammad Dicky Saputra; Mohammad Fatkurrokhman
Jurnal Kendali Teknik dan Sains Vol. 4 No. 2 (2026): April: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i2.6065

Abstract

Three-phase induction motors are essential components in industrial cooling systems that require reliable overcurrent protection to maintain operational continuity and prevent equipment damage. In the Cooling Tower Pump panel at PT DongJin Indonesia, a limitation was identified where the terminal of the Electronic Overcurrent Relay (EOCR) could not accommodate the 50 mm² power cable, preventing direct current measurement. This study aims to analyze the effectiveness of integrating a 200:5 A Current Transformer (CT) with the EOCR as an adaptive protection solution that is both safe and efficient. The research employs a case study approach through field observation, motor current measurement using a Fluke 303 Clamp Meter, and descriptive analysis of the recorded data. The results indicate that the three motors operate under stable load conditions, with current values ranging from 236.7 A to 275.7 A, while the secondary current detected by the EOCR ranges from 3.7 A to 3.9 A, consistent with the CT transformation ratio. During the starting phase, the current surged to 600.4 A without causing false tripping, demonstrating that the EOCR effectively distinguishes temporary inrush current from actual fault conditions. Therefore, the integration of CT–EOCR is proven to enhance measurement safety, maintain motor operational stability, and support efficient system maintenance in industrial environments.
Identifikasi Penyakit Lambung Menggunakan Metode Case Based Reasoning Berbasis WEB Surya Aulia Rahman. S; Ayu Prima Siska; Mardhotillah Mardhotillah
Jurnal Kendali Teknik dan Sains Vol. 4 No. 2 (2026): April: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i2.6074

Abstract

Gastric disease is a disease that cannot be taken lightly, because if it is allowed to continue it can cause other diseases to appear and can also cause death if not treated immediately. Stomach disease can be caused by an inappropriate diet, a burden on the mind and also an infection caused by bacteria. Given these problems, this study can only provide a diagnosis of gastric disease, namely gastritis, stomach ulcers, GERD, gastric cancer. The symptoms given to the system are based on common symptoms. This study aims to create an expert system for diagnosing gastric disease using the Case Based Relational (CBR) method. Based on the testing and analysis of an expert system for diagnosing gastric disease using a Web-based Case Based Reasoning (CBR), it is capable of diagnosing 5 gastric diseases Gastritis, gastric ulcer, GERD, gastric cancer by calculating the similarity value with the Case Based Reationing (CBR) method.
Analisa Penerapan Algoritma Keccak untuk Keamanan Permintaan API Sofyan Noor Arief; Arief Prasetyo; Thariq Alfa Benriska
Jurnal Kendali Teknik dan Sains Vol. 4 No. 2 (2026): April: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i2.6077

Abstract

Implementing REST in modern applications, security will be a key foundation for its development because the REST architecture requires communication between servers. In this study, we will enhance REST request security by using SHA-1 tokens and the Keccak algorithm. Tokens are the access keys for making requests. The token generation process is carried out on the server; the client will generate a token, and the server will return a valid token. This valid token can be used to request data from the server. Adding a token will impact the security and speed of REST. The token will be verified by the server and declared valid. If valid, the server will return the data; otherwise, the server will send an error message. Compared to using a token, data security is more assured. Furthermore, adding a token parameter will increase the token verification process, thus increasing the number of processes, which will impact speed. The results of this test show that server data security is better maintained and more secure compared to using a token, because anonymous users cannot access the data. The API access speed without a token is 48.8 milliseconds, while using a SHA-1 token is 62.3 milliseconds, and the Keccak algorithm is 58.9 milliseconds. The time efficiency reduction for implementing the SHA-1 token algorithm is 27.67% or 13.5 milliseconds, and the Keccak algorithm is 26.6% or 10 milliseconds.
Analisa Pengujian Kekerasan pada Cakram Rem Motor Yamaha Matic Dede Iman Saputra; Maulana Rachman; Sandi Ramadhan; Suparno Suparno
Jurnal Kendali Teknik dan Sains Vol. 4 No. 1 (2026): Januari: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i1.6133

Abstract

The brake system on a vehicle is an important component for driving safety, brake malfunction can cause danger and driving safety is disturbed to the point of failure which can cause serious accidents. The object of the study was chosen original brake discs and variation discs used for Yamaha Matic Mio motorbikes. in the general public it is better known as brake discs, Hardness testing was carried out using the Rockwell method with 10 pressure points on the braking friction area with an average value of the original disc with a value of 57 HRC, and the value of the variation disc with a value of 53 HRC with a slight difference of 4 HRC, Brinell hardness value and the original disc tensile test averaged 586 HBS and the average variation disc value was 501 HBS. while the conversion tensile test value from the Rockwell hardness test value on the original disc was 1645 N / mm² and the variation disc brake was 1597.2 N / mm² thus the Rockwell test value, Brinell conversion and the original disc tensile test were still greater than the variation disc tensile test value.
Hubungan Minat Kejuruan dengan Kesiapan Memasuki Dunia Kerja Siswa Teknik Kendaraan Ringan Otomotif (Tkro) Smk Negeri 2 Sungai Penuh M. Hifzon Fadhlika; Hasan Maksum; Irma Yulia Basri; Rifdarmon Rifdarmon
Jurnal Kendali Teknik dan Sains Vol. 4 No. 2 (2026): April: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i2.6150

Abstract

This research focuses on the vocational interest and readiness to enter the workforce of students in the Light Automotive Engineering (TKRO) program at SMK Negeri 2 Sungai Penuh. The purpose of this study is to determine the relationship between students' vocational interest and their readiness to enter the workforce. This type of research is a descriptive study with a correlational approach. The study involved 64 students enrolled in Light Automotive Engineering (TKRO). The sample size taken for this research was 39 students, selected through stratified random sampling using the Taro Yamane formula. Questionnaires that have been declared valid and reliable were utilized to collect data regarding the students' vocational interest and their readiness to enter the workforce. The data analysis was conducted using the Product Moment correlation formula. The results of the data analysis indicate a positive and significant relationship between vocational interest and the readiness to enter the workforce among Light Automotive Engineering (TKRO) students at SMK Negeri 2 Sungai Penuh, with a correlation coefficient of 0.442 (greater than 0.316) and a significance coefficient of 2.9982 (greater than 2.02269) at a 5% significance level.
Penggunaan Buzzer pada Modul GPS Teltonika FMB910 sebagai Indikator Kecepatan di PT Lacak Cipta Aktual Aldi Bragi Muslim; Mohammad Fatkhurrokhman
Jurnal Kendali Teknik dan Sains Vol. 4 No. 2 (2026): April: Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i2.6161

Abstract

The development of transportation technology encourages companies to improve vehicle monitoring systems to be more effective and measurable, particularly in addressing speeding violations that can increase accident risks and reduce operational efficiency. This study aims to analyze the implementation and effectiveness of using a buzzer integrated with the Teltonika FMB910 GPS module as a vehicle speed warning indicator at PT. Lacak Cipta Aktual. This research employs a qualitative descriptive method with a case study approach, where data were collected through observation, interviews, and documentation during a one-month industrial internship and analyzed using the Miles and Huberman model, including data reduction, data presentation, and conclusion drawing. The results show that the system is capable of detecting overspeed conditions and automatically activating the buzzer when the vehicle speed exceeds the predefined threshold of 80 km/h. Based on logbook data, the system achieved a success rate of 93.9% in responding to overspeed conditions. The use of a buzzer is proven effective in providing immediate warnings to drivers, thereby improving driver awareness and speed control. However, the system still has limitations, particularly its dependence on GPS signal stability and vehicle electrical conditions. Overall, this study demonstrates that the integration of GPS and a buzzer provides a simple, effective, and cost-efficient solution to enhance driving safety and fleet management efficiency.

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