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SAINSTECH: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Published by Institut Sains dan Teknologi Nasional
ISSN : 14107104     EISSN : 2685824X     DOI : https://doi.org/10.37277/stch.v32i3
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Mechanical Engineering
SAINSTECH adalah jurnal ilmiah multidisiplin diterbitkan oleh Institut Sains dan Teknologi nasional Jakarta yang dikelola oleh Lembaga Penelitian dan Pengabdian pada Masyarakat Sainstech menerbitkan artikel yang berasal dari internal Institut dan menerima naskah secara Nasional. Bidang yang difokuskan adalah bidang Sains dan Teknologi. Sainstech mempunyai konsep yang mana dalam pengumpulan artikelnya berguna sebagai solusi dari hambatan, tantangan dan permasalahan yang terjadi di masyarakat. Tujuan publikasi jurnal ini adalah untuk menyebarkan pemikiran konseptual atau gagasan sebagai hasil dari penelitian yang telah dilakukan. Sainstech menerima manuskrip atau naskah artikel hasil riset, riset terapan, dan rekayasa yang relevan dengan bidang keilmuan meliputi: Elektronika, Kendali, Telekomunikasi, Energi, Metalurgi, Rekayasa Mekanik
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 289 Documents
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Rancang Bangun Sistem Pemantauan dan Pengendali Kualitas Udara Pada Aplikasi Welding Habitat Proses Welding Pipeline Sistem Dengan Data Logger Ahmad Daerobi; Abdul Multi; Masbah R.T. Siregar
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 3 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i3.1738

Abstract

Abstract Air Quality Monitoring and Control System is a method of monitoring and controlling air quality in an area or place where air contamination may occur in an activity or work. In this case, the Air Quality Monitoring and Control System is applied to the welding habitat or the welding house in the system pipe welding process. At this time, the welding habitat in the welding pipe pipeline system with the shielding gas process has not been monitored and controlled for air quality during the welding process, this condition causes the welder in the welding habitat to become uncomfortable which can affect the quality of the welding and endanger the welder's health. For this reason, an air quality monitoring and control system is needed that can unite and control the air quality in the welding habitat during the welding process. The purpose of the design of this Air Quality Monitoring and Control System is to make the welding process in the welding habitat of the system pipe welding process more comfortable and safer for the welder's health. So that the welder can concentrate fully on the welding process and produce good and quality welding production. With the application of this system, it can provide a level of weld repair that can reduce welding repair costs incurred by the Company. Keywords: Air Quality; Data Logger; ESP32; ISPU (Air Pollution Standards Index); Sensors
Rancang Bangun Real Time Monitoring & Controlling Infant Incubator Dengan Tilt Stabilizer Untuk Mengurangi Kemiringan Saat Pemindahan Bayi Menggunakan Rasberry PI Berbasis IOT Syaiful Romadhon; Abdul Multi
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 3 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i3.1739

Abstract

Abstract The rapid advancement of technology requires innovation to introduce superior features compared to existing technologies, including in the field of healthcare, such as infant incubators. Currently, there is no infant incubator that incorporates an automatic tilt stabilizer, even though the inclination values have been specified and established by the Indonesian National Standard with a recommended 5° inclination during regular usage and a 10° inclination during baby transfers Therefore, The Design and Development of an Infant Incubator with a Tilt Stabilizer for Reducing Tilting During Baby Transfers Using Raspberry Pi-based IoT was undertaken. This research uses an experimental method to achieve the desired performance, following these steps: collecting data and information, controller determination, hardware design, circuit schematics, software design, and user interface website design. Raspberry Pi was chosen as the controller due to its sufficient input and output (GPIO) pins to read sensors and operate actuators. The tilt stabilizer was created usings NEMA17 stepper motor and self-designed flexible screw nut to ensure precise tilt adjustment. During testing, the system demonstrated reliable performance. This was verified by analyzing the test data and sensor readings displayed on the HDMI-connected screen, concurrently with the data presentation on the website. The temperature graph inside the incubator consistently maintained a value of 37°C with a deviation of 2°C using the PID control methode. The incubator's tilt, when transferred to an inclined surface of 20°, remained stable at 10° when the tilt stabilizer was activated. Keywords: Infant incubator, Tilt stabilizer, Raspberry Pi, IoT, Sensor.
Estimasi Sensor Temperatur Udara Automatic Weather Station Menggunakan Algoritma Hybrid Arima-MLP Suciarti Suciarti; Masbah R.T. Siregar; Abdul Multi
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 3 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i3.1740

Abstract

Abstract Air temperature sensor is installed in an enclosure with a relative humidity sensor at a height of 1.25 meters from the ground. This sensor is routinely calibrated every year through a field comparison mechanism using standard portable. However, air temperature sensor has potential to experience troubles due to technical or non-technical factors. Estimation of temperature data can overcome loss data. This study aims to design an estimation model for air temperature sensor data using the ARIMA-MLP hybrid algorithm. Estimated air temperature sensor is focused on AWS Cisurupan in Garut Regency, West Java on 2019. The estimated data has an interval of 10 minutes. Outlier detection uses range check and step check methods. Missing data imputation method utilizes multiple linear regression-based interpolation. ARIMA-MLP hybrid algorithm is able to detect elements of linearity and nonlinearity of air temperature measurements. This algorithm meets WMO requirements regarding air temperature measurements, if training data is used with a minimum percentage of 85% of the entire modeling dataset. The resulting RMSE value is less than 0.20C. Keywords: air temperature, Automatic Weather Station, hybrid ARIMA-MLP
Sistem Pendukung Keputusan Persetujuan Pengajuan Kredit Mobil di PT Clipan Finance Indonesia Dengan Metode Simple Additive Weighting (SAW) Yan Mitha Djaksana
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 3 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i3.1741

Abstract

Abstract PT Clipan Finance Indonesia is a car loan financing leasing company. This company has a standard in determining whether or not a customer is eligible for car loan financing. In choosing clients who deserve for car loan financing, it must be done properly to avoid client credit congestion, so it is necessary to select client data analysis. In selecting this client data, a decision support system information was designed that can help determine the priority of clients who are eligible for car loan financing, by using the Simple Additive Weighting (SAW) method as a method of supporting decision making. The SAW method is used to support decision making to evaluate the feasibility value of clients in selecting data for clients who apply for car loans based on the criteria and weight of decision making. Through this system, it is hoped that it can help determine the feasibility of applying for a client's car loan more effectively and efficiently by making the ranking value obtained as a reference for determining client creditworthiness approval. Keywords: Car Loan Financing, Decision Support System, Simple Additive Weighting
Aplikasi Tumbuh Balita (ATULITA) Memantau Pertumbuhan Balita Di Posyandu Jamblang Ika Maruya Kusuma; Taufik Hidayat; Siti Nurmiati; Amelia Febriani
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 4 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i4.1751

Abstract

ABSTRACT The monitoring of toddler growth is currently limited, involving manual recording of quantitative measures such as weight, height, and head circumference. This research aims to enhance partners' understanding of the usage of the Toddler Growth Application (Atulita), which not only includes quantitative measurements but also incorporates qualitative nutritional screening. The methods employed include observation, interviews, and literature review. The research reveals that the Atulita Application is designed and built on the Android platform, accessible through a smartphone. On average, there is a 11.7% improvement in partner engagement with the Atulita Application as a result of the study.
Perancangan Sistem Deteksi Dan Pengenalan Perintah Suara Menggunakan Modul Esp 32 Dengan Metode Convolutional Neural Network (Cnn) Harlan Effendi; Rezky Mahardika Saryadi
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 4 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i4.1781

Abstract

ABSTRACT The capabilities of microcontrollers are currently developing rapidly. Thanks to Moore's Law, the number of embedded transistors is growing exponentially. This has led to increasingly sophisticated microcontroller capabilities that are inversely proportional to price, so that we can now embed artificial intelligence on microcontrollers with the help of one of Google's APIs, TensorFlow Lite. In this final project research, a voice command detection and recognition system will be designed using a 32-bit microcontroller in the form of an ESP32 module with WiFi connectivity as the main processor to perform data processing and recognition in the form of voice commands. Voice input is taken using a MEMS (Micro Electro Mechanical System) microphone using the I2C interface. The data sent has a width of 8 bits with a sampling frequency of 44 kHz. The sampling data results will be used in the artificial intelligence training and testing process, together with a voice command library collection with a data size of 4 GB consisting of 20 word files in English, Indonesian, and noise or environmental background samples. Training and testing are carried out by converting the results of the voice signal sampling data into voice spectrum images for input to the CNN (Convolutional Neural Network) algorithm. The results of the experiment show that the voice command recognition process has an accuracy of 90% with a recognition time of less than 1 second. Keyword : esp32,Voice, CNN, MEMS, tensorflow Lite
Penerapan Aplikasi E-Cuti Berbasis Web Dengan Extreme Programming (Studi Kasus: Pengadilan Agama Jakarta Barat) Agung Siswopranoto; Galuh Saputri
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 4 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i4.1801

Abstract

ABSTRACT The West Jakarta Religious Court is one of the divisions of the Supreme Court of the Republic of Indonesia, now the leave process at the West Jakarta Religious Court is conventional or in the sense of the word manual. From the results of my observations at the West Jakarta Religious Court, employees need to take a leave application form at the personnel division. After that, the employee needs to fill out a form and ask for a signature from the Head of Sub-Division of each division to obtain leave permission. Then from the Head of the Sub-Division continued by asking for the signature of the Head of the West Jakarta Religious Court. After obtaining signatures from the West Jakarta Religious Court, the form is continued back to the Head of Personnel Sub-Section to recap data and reduce the employee's remaining leave. Based on this problem, a solution is proposed to overcome this problem, namely by creating a Web-based employee E-Leave application at the West Jakarta Religious Court, using the PHP programming language and MySQL database, as well as a software development method using Extreme Programming. Testing on the E-Leave application used ISO 25010 with two aspects of testing, namely the functionality usability aspect and obtaining 100% results and the operability aspect obtaining 85.24% results. Keyword: West Jakarta PA Leave, Extreme Programming, Web, ISO 25010
Peningkatkan QoS Layanan Video Call dengan Metode DASTFBC Sistem MIMO2x2 pada Jaringan LTE Irmayani Irmayani
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 4 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i4.1802

Abstract

ABSTRACT The DASTFBC (Diagonal Algebraic Space Time Frequency Block Code) method is a coding scheme that utilizes different diversity sources, namely space, time and frequency. This method is one method that can be used to improve video call services. The DASTFBC method uses a rotation matrix in the DAST code which is formed using algebraic number field theory. The code matrix structure consists of rotated information symbols, expanded using a square diagonal code matrix. This method is used to overcome signal power fluctuations at the receiver which cause the service quality to decrease (not comply with) BER video call standards. The DASTFBC method is applied to the LTE network MIMO system with 64 QAM modulation. This method will be simulated in the Matlab program to obtain results to improve video call services. The DASTFBC method simulation of BER was carried out for 4 user speed scenarios, namely 5km/hour, 40km/hour, 100km/hour, 120km/hour. Significant results of the DASTFBC method can already be seen when the user moves at 40km/ hour. With this method, a smaller BER value is obtained, namely 2x10-4, this shows that with the DASTFBC method the video call BER standard (10-3) can be met. The value of BER obtained when using DASTFBC with a speed of 120km/h is 8.5x10-3 this value almost exceeds the standard BER video call. So that the maximum speed of the user when using the DASTFBC method is 120km/h above that speed the standard value of the BER video call cannot be fulfilled. Keywords: video call, LTE network, MIMO, DASTFBC
Perancangan Bangun Game Edukasi Sejarah Kemerdekaan Indonesia Menggunakan Model Waterfall Berbasis Android (Studi Kasus Smk Roudhotssallam) Ahmad Rizal; Joko Suwarno
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 4 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i4.1857

Abstract

Abstract The advancement of information technology has opened new opportunities in educational approaches. One innovative approach involves leveraging mobile devices, such as Android-based devices, to facilitate interactive learning. The objective of this research is to design and develop an Android-based educational game focusing on Indonesian independence history, particularly tailored for SMK Roudhotssallam students. This study adopts the Waterfall software development model, encompassing phases of requirements analysis, design, implementation, testing, and maintenance. During the requirements analysis phase, an initial survey was conducted to identify students' preferences concerning game content, user interface, and features. Subsequently, in the design phase, visual design, level design, and interaction mechanisms were crafted in line with the Indonesian independence history material. Game development took place during the implementation phase, employing programming languages and the Android Studio platform. Historical material is presented through challenges, puzzles, and quizzes related to significant events during the Indonesian independence struggle. In the testing phase, the game was evaluated by SMK Roudhotssallam students to measure the suitability, attractiveness, and educational effectiveness of the developed game. The outcome of this research is an engaging and interactive educational game that aids students in comprehending Indonesian independence history in a more captivating manner. Keywords: Educational Game, Indonesian Independence History, Waterfall Model, Android, SMK Roudhotssallam.
Influence of the Oriented Configuration of the BarChip Fibre Polypropylene to the Ductility Factor of the Reinforced Concrete Beam Daniel RT Siregar; Koswara Koswara; Syahril Taufik
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 3 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i3.1867

Abstract

Abstract Bending and shear strength of fiber reinforced polimer concrete beams was studied in this research project. The reinforced concrete beam behaves in brittle structure in the certain reinforcement configuration. BarChip fibre polypropylene as the material for enhancement of the ductility factor is applied to the concrete beam. Three types of BarChip fibre configuration were examined: randomly spreading, placing at the mid-span area, and concentration on the tension zone. The experimental program included five beam specimens. Two of the beams were control specimens in which one was reinforced with no fibre, while the other one did not have any Barchips polypropylene. Each one of the other three specimens was reinforced with one of the above mentioned fibers by 0,4% volumetric ratio. Investigating the following issues for medium-high concrete strength was the goal of this study. In order to determine whether adding 0.4% volumetric ratio of polypropylenes as additional bar reinforcement in beams would provide adequate strength and stiffness properties comparable to reinforcing steel used as minimum bar reinforcement, it was necessary to first assess the effectiveness of each type of oriented fiber configuration on the bending strength, then to look into each beam's bending strength, shear strength, toughness, crack patterns, and near ultimate load crack width. The findings demonstrated that the bending capacity of the beam specimens was raised by all three types of polypropylene configuration more than by the beam reinforced with the fewest amount of bar reinforcement. Additionally, some of the employed fibers may cause failures other than pure shear. It is reccomended to spread the polypropylene within the tension zone of the reinforced concrete beam on the bottom mid span. Keywords: Fibrous Concrete, Polypropylene, Ductility, Reinforced, Beam

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