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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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PERANCANGAN JARINGAN KOMUNIKASI SISTEM INFORMASI DAN ADMINISTRASI BRIMOB (SIAB) BERBASIS SERAT OPTIK Ariman .; Mochamad Iklil
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 31 No 2 (2021): 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 (1610.777 KB) | DOI: 10.37277/stch.v31i2.1152

Abstract

Markas Komando Brimob uses optical fiber as a transmission media in the design of the Sistem Informasi dan Administrasi Brimob (SIAB) communication network. Optical fiber has a large transmission capacity, therefore fiber optic networks are implemented on network of SIAB. This facility includes withdrawal of fiber optic cable from Mako Brimob to seven points, namely Pool Mako, Mako Gegana, Pool Bengkel Gegana, Detasemen Gegana, Pool KBR, Pool Pelopor, and Danpas Pelopor. The design of the SIAB network is adjusted to the needs of the Mako Brimob such as: 10-10 of BER, 100 Mbps of data speed, and 1310 nm of wavelength. The optical equipment used were single fiber optic tube loosen mode, PIN photodiode light detector, optical laser diode, and SC connector. From the power link analysis, the maximum distance without using an optical amplifier was 491.9 km. Then, the maximum speed was 896 Mbps measured using rise time budget. Keywords: Power link budget, Rise time budget
IMPLEMENTASI METODE SCRUM DAN ANALISIS SWOT SEBAGAI STRATEGI FRAMEWORK CUSTOMER RELATIONSHIP MANAGEMENT(CRM) PADA PERUSAHAAN RENTAL MOBIL Emi Sita Eriana; Afrizal Zein
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 31 No 2 (2021): 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 (1298.985 KB) | DOI: 10.37277/stch.v31i2.1155

Abstract

The rapid competition of business, it is necessary to implement the right strategies to support its business processes, one of which is through customer relationship management, with the aim of creating customer loyalty. Loyalty is expected to be done, ranging from customers who are looking for information to finish getting the service. The application of Customer Relationship Management (CRM) is the right alternative solution to realize customer loyalty. Implement an e-CRM system by applying scrum methods and SWOT analysis. The SCRUM method is software that includes agile development that uses an object-oriented approach and includes planning, design, coding, and testing activities. Implementation of Scrum Modeling with three phases: pregame, scrum phase, post-game. After the application is evaluated with the SWOT method maximizes strengths and opportunities, but can simultaneously minimize weaknesses and threats, from the sprint process that has been completed reviewed, and changes are needed. Website-based e-CRM system application that facilitates customer service and mamou affects customer loyalty and can support business processes on S2 Trans Karawang service. Keywords: Customer Relationship Management (CRM), Business, Customer, SWOT Analysis, Information
PERANCANGAN INTERNET OF THINGS (IOT) SMART HOME Afrizal Zein; Emi Sita Eriana
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 31 No 2 (2021): 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 (910.28 KB) | DOI: 10.37277/stch.v31i2.1156

Abstract

The main purpose of this research is to design a smart home using IoT where the technology is to automate various activities at home such as turning off and turning on the lights, television, air conditioner, fan sound system and opening the gate. All devices are connected to the internet via a router, to allow remote monitoring and control of various household appliances. In this paper, I implemented a smart home using the newly released cisco tracer package simulation software, because different IoT devices used for home automation are included in this new version of the simulator. The previous software only had network devices, but in the newly released IoT simulator devices are included sensors, boards, IoT devices. To smartly design the house I use different devices that are used for home security, safety and well-being of the home environment. Keywords: IoT, Smart home, packer tracer, sensor.
OPTIMALISASI PRODUKSI IKAN LELE ASAP DENGAN OTOMATISASI ATMEGA 8 Arry Darmawan; Doni Bowo Nugroho
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 31 No 2 (2021): 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 (784.408 KB) | DOI: 10.37277/stch.v31i2.1157

Abstract

The purpose of this study was to design and determine the ability of the catfish smoking system automatically using the ATMega8 microcontroller and the LM 35 temperature sensor as an optimization of catfish smoking production, as well as to conduct a comparative study of smoked catfish quality and economic analysis with conventional systems. The type of research used is research and development with a 4D model approach (define, design, develop and desiminate) and comparative analysis. Data obtained through observation, testing and documentation. Then analyzed qualitatively and quantitatively. The results obtained from this study are the design of a catfish smoking system automatically using an ATMega8 microcontroller and a temperature sensor as an optimization of catfish smoking production. The workings of the catfish smoking system is to control the rotation and smoking time using an ATMega8 microcontroller. The smoking system is able to produce 2 kilograms of smoked catfish in 120 minutes with a distance of 40 cm with a quality water content of 58.14%, ash content of 5.93%, pH value of 6.56 and TBA value of 0.02. Keyword: catfish, smoking, microcontroller
OPTIMASI STRUKTUR JACKET LEPAS PANTAI DENGAN ANALISIS PERMODELAN KOMPUTASI 3D NONLINIER PUSHOVER Amin Sundoro; Syahril Taufik
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 31 No 2 (2021): 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 (1788.931 KB) | DOI: 10.37277/stch.v31i2.1161

Abstract

ABSTRACT This study emphasizes the collapse of the offshore jacket platform structure model due to lateral loads, namely environmental loads with the help of USFOS computing software. The optimized platform structure model is the A model with 4 legs with a combination of X, V, Chevron, and K diagonal bracings. Then, step by step the bracing is progressively reduced until the first yield load level of the component is below 1 or the structure does not meet the design level criteria. The analysis used is nonlinear pushover from extreme storms. The platform model A was analyzed from 8 metocean directions and the next model was analyzed using the storm direction with the smallest RSR value from model A, namely the direction of 225°. The results of the analysis show changes in the global collapse mechanism, components that experience the first yield and changes in ductility. From the results of the scoring between the weight ratio of model A to the weight of the models with the redundancy value, the largest value obtained is the Platform E hybrid model with 4X bracing, 2 Chevrons, and 4 vertical diagonal models K with steel grade S315. The weight that can be optimized by the E Hybrid model from the A model is 101,801 kN, optimum 2,88% and redudancy factor reached 198.20%. Keywords: Extreme storm, Collapse mechanism, Nonlinear Pushover, Redundancy, Ductility
ANALISA PROTEKSI OVER CURRENT RELAY (OCR) DAN GROUND FAULT RELAY (GFR) PADA TRANSFORMATOR DAYA GARDU INDUK Abdul Multi; Thufail Addaus
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 32 No 1 (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 (1263.895 KB) | DOI: 10.37277/stch.v32i1.1215

Abstract

ABSTRACT In the electric power distribution system, the power transformer is an equipment plays an important role in a substation. In a distribution system, a fault cannot be predicted. This fault can be in the form of a 3-phase, 2-phase, or 1-phase short-circuit fault to ground. In order to prevent this, a good and reliable protective equipment is needed, one of which is the Over Current Relay (OCR) and Ground Fault Relay (GFR) which are used as backup protection for power transformers. The work principle of the OCR is to detect the presence of a short-circuit current between phases and the work principle of the GFR is to detect a short-circuit current from the phase to ground, the results of the analysis carried out describe when the fault current exceeds the predetermined setting value then Over Current relay and Ground fault Relay takes instantaneous decisions or by slowing down the opening of the PMT in the event of a disturbance. After doing the calculations, for the setting current (OCR) on the 150 kV side, 277.2 A was obtained with the TMS (OCR) time setting of 0.31 and for the setting current (GFR) on the 150 kV side, 35.22 A was obtained with the TMS time setting ( GFR) is 0.44. For the setting current (OCR) on the 20 kV side, 2,078.4 A is obtained with the TMS time setting (OCR) of 0.23 and for the setting current (GFR) on the 20 kV side, 96.07 A is obtained with the TMS time setting (GFR) namely 0.3. Keywords: Transformer, Over Current Relay, Ground Fault Relay, OCR, GFR
ANALISIS PENGUKURAN TANGEN DELTA PADA BAHAN ISOLASI GENERATOR Abdul Multi; Sigit Pudji Handojo
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 32 No 1 (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 (1729.472 KB) | DOI: 10.37277/stch.v32i1.1216

Abstract

ABSTRACT An ideal insulation is equivalent to an ideal capacitor which only stores electrical energy and does not dissipate it. In fact, when a potential difference occurs in the insulation, the polar molecules in it will move and rub together continuously so that electrical energy is dissipated in the form of heat. This energy dissipation phenomenon is equivalent to that of a resistor. Measuring the quantities associated with capacitors and resistors and their tendency to change in value with an operating time unit is the best way to determine the condition of an insulation. The value of Capacitance C, Dissipation Factor (Tan δ ) and Power Factor (Cos θ) are three significant quantities to describe the condition of an insulation. These three quantities can be measured at the same time using the Schering Bridge method in an instrument test known as the Tan-δ instrument test. These three quantities when combined with other AC and DC measurements which also include testing with low, medium and high voltages (Over Voltage) will be an illustration related to the condition of the insulation whether it is still in good condition. Keywords: Schering Bridge, dissipation factor, tangent delta
IMPLEMENTASI SISTEM MONITORING BUS TRANS SEMARANG BERBASIS LORA (LONG RANGE) Tasdik Darmana; Fadila Annas; Ariman .
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 32 No 1 (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 (1657.532 KB) | DOI: 10.37277/stch.v32i1.1239

Abstract

ABSTRACT Trans Semarang buses as transportation used by residents the city of Semarang often experience delays at one corridor stop so that passenger waiting times are quite long, so monitoring is needed on each bus. LoRa with long-distance communication capabilities without an internet signal with low power over a wide area, so it can be used to monitor the position and speed of the Trans Semarang bus for efficient passenger waiting time. The tool used to monitor Trans Semarang bus consists of a transmitter section as a data sender and a receiver as a data receiver with 915 MHz LoRa communication media and there is a buzzer as a bus speed warning and an emergency button when the bus has problems on the road. The test results from this study are the device can send and receive data with the furthest distance of 2200 meters with a maximum speed that can be measured is 46 km/hour, then it can give speed limit warnings and bus emergency warnings. Keywords : LoRa 915 MHz, Trans Semarang Bus, Distance, Speed
ANALISIS KEGAGALAN CURRENT TRANSFORMER (CT) TIPE DUA BELITAN SEKUNDER DENGAN INTI MAGNETIK TERPISAH PADA SISTEM PROTEKSI DAN PEMBATAS DAYA Iriandi Ilyas; Muhamad Taufan Agassy
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 32 No 1 (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 (1026.594 KB) | DOI: 10.37277/stch.v32i1.1240

Abstract

ABSTRACT Current transformers function to transform large currents into small currents used for electrical energy measurement instruments, power limitation and protection of electric power networks, current transformers have many types, the use of current transformers in actual facts such as electrical power requested by consumers to producers of electricity providers at 53 kVA to 197 kVA using a single ratio current transformer type and> 197 kVA using a secondary twisting transformer type with a separate magnetic core In this type of current transformers with different ratios have different saturation values also due to high interference current values, so they are not able to provide an accurate secondary current value according to the class and the ability of current transformers against measuring instruments, power limitation and protection of electric power networksBy analyzing the failure of these types can be a reference or reference in the use of current transformers by selecting the appropriate type, ratio and accuracy class on the electricity network
IMPLEMENTASI SCRUM PADA FRAMEWORK SISTEM INFORMASI PENJUALAN DAN PEMBELIAN CAT PADA TOKO CAD Emi Sita Eriana; Ghema Nusa Persada; Santosa Wijayanto
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 32 No 1 (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 (962.5 KB) | DOI: 10.37277/stch.v32i1.1246

Abstract

ABSTRACT In the business world in the company's time that applies information technology because technology is needed in the world of work to facilitate in completing a job so that it is more effective and efficient. One example of the development of information technology in the world of work or the business world is data processing systems. In case studies in cad business units still use manual recording, the management and input process is still manual so it is less effective, efficient, and there are errors in recording inaccurately. Peneliti designed a web-based paint sales and purchase application where this application can facilitate the sale and purchase of paint without location limitations. This method in design uses the Agile method with its continuous development in a process called Scrum that overcomes complexity in the work by making it easier to understand and transparent, allowing teams to examine and adapt depending on current conditions, not the predicted scenario. The implementation of the scrum method is built with framework and MySQL databases. Hasil from research system sales and purchase of web-based paints facilitates purchases, so that customers can make purchases through the website indefinitely, where customers can buy and transact and make it easier for admins to make sales, with this paint sales and purchase system to support a wider market reach without location limitations. Keywords: Implementation, Scrum method, Framework, Design, Sales System

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