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All Journal SAINSTECH: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Masbah R.T. Siregar
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Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Mechanical Engineering

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INTEGRASI DISTRIBUSI DATA RADAR MENGGUNAKAN TEKNOLOGI BLOCKCHAIN DAN KRIPTOGRAF Fahmi Rosyidi; Masbah R.T. Siregar; Abdul Multi
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 32 No 3 (2022): Sainstech : Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1301.083 KB)

Abstract

Abstract Currently radar is widely used in various fields such as meteorology, military, police, shipping, aviation, agriculture, disaster, and research. Meanwhile, currently the use of radar is still in the form of sectoral, partial, and fragmented so that the use of radar data is only internal. With Indonesia's geographical condition which is very broad and the integration and distribution of radar data has not been maximized, this has resulted in the lack of geographic area of ​​Indonesia that is reached by radar. The use or exchange of radar data still uses client-server-based information technology, and with centralized storage which has risk factors for information security and privacy that are vulnerable to being misused or exploited. In addition, there is the possibility of data loss which makes it difficult to get data back, even when you have implemented a backup system with cloud or other protection, there is still a risk of complete data loss when compared to implementing a decentralized platform. Therefore, it is necessary to integrate and distribute radar data with a decentralized platform so that the radar data is not sectoral, partial, and fragmented. This integration and distribution of radar data will later be able to maximize the use of cross-field radar so that one radar can be used more optimally for all fields including meteorology, military, police, shipping, aviation, agriculture, disaster, and research. One technology that can be used for the integration of radar distribution is blockchain and cryptography. Blockchain and asymmetric cryptography in addition to increasing data security, can also guarantee that data entering the blockchain system comes from the correct source. The larger the bit asymmetric cryptographic key used, the more secure the data. Keywords — Radar, Blockchain, Cryptography, Integrated Distribution.
Analisis Otomatisasi Kalibrator Tekanan Udara Portabel dengan Pengontrol PID dengan Metode Ziegler-Nichols dan Åström–Hägglund Budi Santoso; Masbah R.T. Siregar; Abdul Multi; Muhammad Ridwan
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 1 (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.v33i1.1652

Abstract

Abstract Atmospheric pressure is one of the weather parameters that have an important role in meteorological services, especially inflight transportation. Atmospheric pressure sensors must be calibrated regularly to ensure the measurement results. The increasing number of atmospheric pressure sensors makes it impossible to calibrate in the laboratory because it can result in meteorological service downtime. Portable calibrators can be used to overcome this problem, by utilizing peristaltic pumps, solenoid valves, and microcomputers. The PID control is programmed on the microcomputer to control the speed of the peristaltik pump and the cycle of the solenoid valve to generate air pressure according to the set point determined automatically using the PID control. The Åström–Hägglund method has the lowest average stability uncertainty value at 0,003 hPa/
Network Metadata (NETTA) : Sistem Monitoring Jaringan Dan Metadata UPT BMKG Dengan Notifikasi Berbasis Telegram Siti Zainab; Djoko H. Nugroho; Masbah R.T. Siregar; Hendi Satria WD; Abdul Multi; Muhammad Nur Huda
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 1 (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.v33i1.1653

Abstract

ABSTRACT BMKG has a role to disseminate geo-hydrometeorological information in the fields of Meteorology, Climatology and Geophysics. The dissemination process requires data from BMKG operational equipment spread across 183 Technical Implementation Units (UPT) throughout Indonesia. The recorded data must be collected and disseminated using a communication network. The existing network monitoring system currently at BMKG uses the PRTG monitoring application but can only be accessed by central employees. Thus, a system that can be accessed by regional employees to see the condition of the communication network in each UPT is needed, so that it can support operations. This paper discusses monitoring system and communication network metadata design with notifications using telegrams that can be adapted for operations at BMKG called NetTa (Network Metadata). The system consists of a network monitoring dashboard, provider rental metadata dashboard, network monitoring notifications via Telegram bots. The system operates in real time and can be accessed from anywhere using a smartphone and PC. The results of functional testing show that monitoring system of all existing features on the system can be accessed according to the design. Telegram notifications can provide network device status as well as warnings if there is a communication network interruption based on the monitored sensor code Keywords : Monitoring, Network, UPT BMKG, Telegram, Metadata
Modulator Demodulator In Phase Quadrature Dengan Pembawa Frekuensi 50 MHz Berbasis Komponen Diskrit Suharno Suharno; Masbah R.T. Siregar; Taswanda Taryo; Kun Wardana
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 1 (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.v33i1.1655

Abstract

ABSTRACT One of the most important parts of a linear accelerator is the RF System. Two different input signals can produce distortion which can cause problems in intermodulation. Effect of RF power performance on noise as well as performance evaluation so as to produce a clear and strong signal without significant distortion or transmission loss.The Inphase quadrature analog modulator demodulator can achievec with 900 phase shit signal to I and Q inputs, the carrier signal using a variable oscillator or VCO with a single 50 MHz output. 16 Bit of ADC and DAC module optimized as input or output with I/Q analog modulator demodulator. In this paper, ADISIM RF simulation is used to display the results of the RF system design, with two parameters namely Spurios Free Dynamic Range) and IMD (Two Tone Intermodulation Distortion) for Transmitter and one parameter namely Noise Figure (NF) for Receiver. Keywords : I/Q Modulator Demoduator, ADISIM RF, SFDR, IMD, NF
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
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
Co-Authors Abdul Multi Ahmad Daerobi Budi Santoso Djoko H. Nugroho Fahmi Rosyidi Hendi Satria WD Hendri Satria WD Kun Wardana Muhamad Ridwan Muhammad Nur Huda Muhammad Ridwan Siti Zainab Suciarti Suciarti Suharno Suharno Taswanda Taryo