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Sinta Restuasih
Universitas Global Jakarta
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Journal : Journal of Global Engineering Research

 1 
Design and Hardware Implementation of Buck Converter Solar Charge System Using PID Controller Brainvendra Widi Dionova; Cahyo Wibisono Suryo Jati; Sinka Wilyanti; Sinta Restuasih; Devan Junesco Vresdian; Ikmal Ikmal; Feri Nugroho
Journal of Global Engineering Research and Science Vol. 1 No. 1 (2022): Journal of Global Engineering Research & Science (J-GERS)
Publisher : Jakarta Global University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/jgers.v1i1.7

Abstract

Nowadays, energy sources in the world at the end until now tends to be filled using fossil fuels. It is estimated that the world energy consumption until 2025 is still dominated by fossil fuels, namely oil, natural gas and coal. The Ministry of Energy and Mineral Resources said that petroleum dominates 54% of energy use in Indonesia. One way to overcome the use of fossil energy sources is to replace them with renewable energy especially photovoltaic. Therefore, this paper presents solar charge system using Buck Converter PID Controller for Spotlight load. Buck Converter with PID Controller is used to produce a smaller and more stable output voltage from solar panels of 14.4 Volts for charging the battery. The PID parameter values ??obtained after performing calculations using the Analytic Tuning method and tuning are Kp = 0.0307, ??Ki = 58.20 and Kd = 0.000263. The expected result of this research is to design and implement a solar charge controller as a producer of electrical energy from environmentally friendly energy.
Design of Arduino Uno-Based Automatic Object Sorter Belt Conveyor System Using Ultrasonic Sensors Sinta Restuasih; Adhes Gamayel; Rano Agustino
Journal of Global Engineering Research and Science Vol. 1 No. 1 (2022): Journal of Global Engineering Research & Science (J-GERS)
Publisher : Jakarta Global University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/jgers.v1i1.9

Abstract

Belt conveyor is a fairly simple equipment used to transport load units or bulk materials with a large capacity, the tool consists of belts that are resistant to the transport of solid objects. The sabuk used in this Belt Conveyor is made from various types of materials, for example from rubber, plastic, leather or metal which depends on the type and nature of the material to be transported. The testing process of this tool starts by turning on the Conveyor Belt, the rotation on the Conveyor Belt is constant at a speed of 3.1 m / min and there is no speed setting, the speed of the Conveyor Belt can be known using the Tachometer tool and can be calculated manually using the formula v = s / t where v = speed, s = distance and t = time. When the object is attached to the Conveyor Belt the object will run and pass through the Ultrasonic sensor, when the position of the object is directly under the sensor, the sensor will detect the object based on the height or distance between the sensor and the object, so that Arduino Uno can carry out the work process of the object falls into category A, B or C.
Design and Hardware Implementation of Buck Converter Solar Charge System Using PID Controller Widi Dionova, Brainvendra; Suryo Jati, Cahyo Wibisono; Wilyanti, Sinka; Restuasih, Sinta; Vresdian, Devan Junesco; Ikmal
Journal of Global Engineering Research and Science Vol. 1 No. 1 (2022): Journal of Global Engineering Research & Science
Publisher : Jakarta Global University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/jgers.v1i1.9

Abstract

Nowadays, energy sources in the world at the end until now tends to be filled using fossil fuels. It is estimated that the world energy consumption until 2025 is still dominated by fossil fuels, namely oil, natural gas and coal. The Ministry of Energy and Mineral Resources said that petroleum dominates 54% of energy use in Indonesia. One way to overcome the use of fossil energy sources is to replace them with renewable energy especially photovoltaic. Therefore, this paper presents solar charge system using Buck Converter PID Controller for Spotlight load. Buck Converter with PID Controller is used to produce a smaller and more stable output voltage from solar panels of 14.4 Volts for charging the battery. The PID parameter values ​​obtained after performing calculations using the Analytic Tuning method and tuning are Kp = 0.0307, ​​Ki = 58.20 and Kd = 0.000263. The expected result of this research is to design and implement a solar charge controller as a producer of electrical energy from environmentally friendly energy.
Design of Arduino Uno-Based Automatic Object Sorter Belt Conveyor System Using Ultrasonic Sensors Restuasih, Sinta; Gamayel, Adhes; Agustino, Rano
Journal of Global Engineering Research and Science Vol. 1 No. 1 (2022): Journal of Global Engineering Research & Science
Publisher : Jakarta Global University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/jgers.v1i1.16

Abstract

Belt conveyor is a fairly simple equipment used to transport load units or bulkmaterials with a large capacity, the tool consists of belts that are resistant tothe transport of solid objects. The sabuk used in this Belt Conveyor is madefrom various types of materials, for example from rubber, plastic, leather ormetal which depends on the type and nature of the material to be transported.The testing process of this tool starts by turning on the Conveyor Belt, therotation on the Conveyor Belt is constant at a speed of 3.1 m / min and thereis no speed setting, the speed of the Conveyor Belt can be known using theTachometer tool and can be calculated manually using the formula v = s / twhere v = speed, s = distance and t = time. When the object is attached to theConveyor Belt the object will run and pass through the Ultrasonic sensor,when the position of the object is directly under the sensor, the sensor willdetect the object based on the height or distance between the sensor and theobject, so that Arduino Uno can carry out the work process of the object fallsinto category A, B or C.
Sensitivity Analysis of a Single-Server Fuel Queue System Using the M/M/1 Model: A Case Study of a Pertamini Station Restuasih, Sinta; Gustany, Eko Widodo; Wijayanti, Fitri Retna; Ariyani, Ananda Putri; Fitria, Nur Maulida
Journal of Global Engineering Research and Science Vol. 4 No. 2 (2025): Vol. 4 No. 2 (December 2025): Journal of Global Engineering Research & Science
Publisher : Jakarta Global University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/j-gers.v4i2.181

Abstract

The rapid growth of motorcycle ownership in Indonesia has significantly increased the demand for fuel, particularly for daily transportation activities. This condition has encouraged the development of micro-scale refueling services, commonly known as Pertamini, which provide easier and more accessible fuel services for local communities. However, Pertamini stations generally operate with limited facilities and a single service channel, which may lead to queue formation, especially during peak hours. Long waiting times can reduce service efficiency and customer satisfaction, making queue system evaluation essential to support operational improvements. Therefore, this study aims to analyze the performance of the Pertamini service queue system using the M/M/1 queue model. This research applies a quantitative approach through direct field observation to collect data on customer arrival rates and fuel service times during a specified observation period. The collected data are used to determine the arrival rate (λ) and service rate (μ) as the main parameters in modeling the queue system. System stability is evaluated by comparing these parameters to ensure that service capacity can accommodate customer demand. Several performance indicators are analyzed, including system utilization, the average number of customers in the queue and in the system, and the average waiting time experienced by customers. The results indicate that under normal operational conditions, the queue system operates in a stable condition where the service rate exceeds the arrival rate. However, sensitivity analysis shows that an increase in arrival rate or a decrease in service rate significantly increases waiting time. Therefore, improving service efficiency is necessary to maintain system stability and reduce customer waiting time.
Co-Authors Ade Sunardi Adhes Gamayel Agung Hermawan Andriyansa, Padli Andry Wibowo Ariyani, Ananda Putri Ayu Nurul Hardiyanti Ayu Nurul Haryudiniarti Brainvendra Widi Dionova Cahyo Wibisono Suryo Jati Devan Junesco Vresdian Ekardi, Mohammad Luthfi Eko Widodo Gustany Faizah, Safira Feri Nugroho Firdaus, Ade Fitri Retna Wijayanti, Fitri Retna Fitria, Nur Maulida IB Indra Widi Kurniawan Ikmal Ikmal Ikmal Juhri Kristianti, Wike Kun Harjiyanto Manullang, Anggi Mohamad Zaenudin Rano Agustino Riyan Ariyansah Samsudin, Samsudin Sinka Wilyanti Suci Imani Putri Suryo Jati, Cahyo Wibisono Tegar Alvayer S Tri Nurhasanah, Anggita Nafiulana Vresdian, Devan Junesco Wilyanti, Sinka Yasya Khalif Perdana Saleh Yulianti, Rachma ZULHAMIDI, ZULHAMIDI