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Surtono, Arif

Jurusan Fisika, Universitas Lampung, Bandar Lampung, Indonesia, 35141

Author-ID : 2523969

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Rancang Bangun Prototipe Pengoptimal Charging Baterai pada Mobil Listrik dari Pembangkit Tenaga Surya dengan Menggunakan Sistem Boost Converter Gurum Ahmad Pauzi; Diana Rahma; Sri Wahyu Suciyati; Arif Surtono
Journal of Energy, Material, and Instrumentation Technology Vol 1 No 2 (2020): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

In this research, the lithium-ion 48 Volt battery charging system's design was carried out on the prototype electric car using the boost converter tool. Boost converter consists of several circuit systems, namely oscillator circuit, trigger circuit, switching circuit, inductor, and DC output. IC TL 494 as pulse and frequency wave generator, used to regulate the switching process on the MOSFET circuit in the boost converter. This research was conducted by presenting variations in the inductor wire's diameter to determine the result of the current output used for the filling process by varying the diameter by 0.8 mm, 4 mm, and 8 mm. The number of wire twists used remains 5:27 and produces an output voltage boost converter of 54 Volts. The results showed the inductor wire's diameter affected the output of the boost converter and the length of battery charging time on the electric car. The length of time of battery draining at the wire's diameter is 0.8 mm, which is for 680 minutes, at the wire 4 mm diameter for 290 minutes, and at the diameter of the wire, 8 mm is for 400 minutes. The boost converter has the advantage of being more efficient in terms of dimensions, resulting in 3 times the voltage and power increase compared to the input voltage. The maximum panel input power of 14.5 Watts when added boost converter maximum power increased by 47.84 Watts.

Sistem Identifikasi Tingkat Kematangan Buah Nanas Secara Non-Destruktif Berbasis Computer Vision Nevalen Aginda Prasetyo; Arif Surtono; Junaidi Junaidi; Gurum Ahmad Pauzi
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 1 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

A computer vision-based non-destructive pineapple maturity level identification system has been realized. This research was conducted to create a system capable of identifying six indexes of pineapple maturity level. An artificial neural network is used as a classifier for the level of maturity pineapples. Artificial neural network input is a statistical parameter consisting of mean, standard deviation, variance, kurtosis, and skewness of RGB and HSV color models pineapple images. Statistical parameters of the color model with a Pearson correlation value greater than 0.5 were used to characterize pineapple images. A total of 360 pineapple images were used in the training process with a percentage of 75% of training data and 25% of validation data. An image segmentation process is applied to separate the pineapple image from the image background. The result of this research is a pineapple maturity level identification system consisting of software and hardware which is able to identify six indexes of pineapple maturity level with average accuracy value of 98,4%.

Rancang Bangun Purwarupa Pemilah Nanas Berdasarkan Tingkat Kematangan Menggunakan Mikrokontroler Blue Pill STM32F103C8T6 Friska Tiara Desy; Arif Surtono; Amir Supriyanto; Junaidi Junaidi
Journal of Energy, Material, and Instrumentation Technology Vol 1 No 3 (2020): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

The research about a design of prototype automatic pineapple sorting has been done with a belt conveyor system using a Blue Pill STM32F103C8T6 microcontroller. This research was conducted to create a prototype that can sort pineapples based on maturity level by classified unripe, ripe, and fully ripe. Sorting pineapple against the pineapple ripeness classification was carried out by a simulation process using serial data of index maturity sent from the PC monitor serial to microcontroller via serial communication. The serial data sent in character format was an integer 1; 2; 3; 4; 5; 6; and 7. The conveyor using a chain with gear transmission system and a DC motor as a drive. The results showed that the instument is capable of carrying a maximum load of pineapple fruit of 1.0 kg with a transport speed of 27,98 cm/s and can perform pineapple ripeness sorting with an accuracy more than 90%.

Analisis Potensi Energi Listrik Pikohidro dari Sumber Air Pegunungan Serta Upaya Peningkatan Daya Listrik dengan Memanfaatkan Rangkaian Joule Thief Ahmad Badrus Soleh; Amir Supriyanto; Gurum Ahmad Pauzi; Arif Surtono
Journal of Energy, Material, and Instrumentation Technology Vol 1 No 3 (2020): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Penelitian mengenai sistem pembangkit listrik pikohidro banyak dikembangkan dalam beberapa tahun terakhir. Namun, dalam proses penelitian sistem pembangkit listrik pikohidro masih memiliki kendala pada daya yang dihasilkan ketika debit air yang digunakan sangat kecil. Daya listrik yang dihasilkan dapat ditingkatkan dengan modul generator dan modul joule thief. Modul generator menggunakan turbin dengan diameter 4 cm untuk menggerakkan generator magnet permanen sedangkan modul joule thief terdiri dari charger controller TP4056 sebagai pengendali pengisian baterai, baterai lithium-ion 3200 mAh sebagai penyimpan daya listrik yang dihasilkan generator dan rangkaian joule thief untuk meningkatkan daya listrik yang tersimpan pada baterai. Pengujian dilakukan dengan menggunakan 7 variasi debit air yaitu 0,06 liter/detik, 0,066 liter/detik, 0,071 liter/detik, 0,077 liter/detik, 0,093 liter/detik, 0,138 liter/detik, dan 0,14 liter/detik. Hasil penelitian menunjukkan adanya kenaikan daya yang dihasilkan setiap bertambahnya debit air. Daya maksimal yang dihasilkan pada sistem pembangkit listrik ini sebesar 7,75 W dan mampu untuk menyuplai daya untuk lampu LED 220 V 3 W selama 165 menit.

Rancang Bangun Alat Ukur Kekeruhan Air Menggunakan Fototransistor dan LED Inframerah Berbasis Arduino Uno Nita Suliyani; Sri Wahyu Suciyati; Gurum Ahmad Pauzi; Arif Surtono
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 2 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

In this research, the water turbidity measurement tool based on Arduino Uno has been designed and built using phototransistors and infrared LEDs. This measuring instrument consists of a series of infrared sensors, Arduino as a process, LCD I2C as a value viewer, Micro SD as a data storage, and RTC as a timer. This study used two water samples with various concentrations. The sample used, namely distilled water plus impurities in the form of soil and ash. The distilled water used is still 100 ml with variations in the concentration of impurities ranging from 0,1-0,9 gr. Sensor test results show that the greater the turbidity level, the greater the voltage obtained. Sensor scanning ranges from 2,02 V-4,00 V for groundwater and 2,02 V-4,31 V for ash water. The reading uses a standard measuring instrument for groundwater ranging from 0 NTU to 331,4 NTU, while for ash water ranging from 0 NTU to 284,4 NTU. Data from the sensor test results in an equation used to convert the artificial measuring instrument's voltage value into a turbidity value. Then, data is taken using the same sample, so groundwater's turbidity value was obtained from 0 NTU to 318,94 NTU while for ash water from 0 NTU to 285,13 NTU. Based on the results, average accuracy for water was obtained. Soil amounted to 94,66%, while for ash water was 96,63%.

Rancang Bangun Mesin Penggulung Lilitan Kawat Transformator Otomatis Berbasis Arduino Uno Denny Irfan; Junaidi Junaidi; Arif Surtono
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 3 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Research on application of the design an Arduino Uno-based automatic transformer wire winding machine has been carried out. The research aim was to make an automatic winding machine using wire coils that can be adjusted for rotation speed and high accuracy of the number of turns. In testing system, the enamel wire was wrapped around with a different number of turns, that is 200;400;600;800;1000 turns. The calibration method in this study was carried out manually, that is recounting the turns on the koker that had been wrapped using an automatic winding machine. The speed of the winding machine is calibrated using a tachometer. The results of the calculation of the average rolling accuracy of 99,73%.

Rancang Bangun Prototipe Keamanan Ruang Laboratorium dengan Pintu Otomatis Menggunakan Sensor Suhu MLX90614 Berbasis Arduino Atmega 2560 Diana Margarini; Sri Wahyu Suciyati; Arif Surtono; Gurum Ahmad Pauzi
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 4 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v2i4.76

Research on laboratory room security system has begun to be developed with various kinds of inputs used. In this study, the design of a laboratory room security prototype with automatic doors has been realized using the MLX90614 temperature sensor based on Arduino Atmega 2560. The design of this prototype aims to design a prototype laboratoey room with automatic doors using a door lock solenoid and a temperature sensor MLX90614. In addition, this system is equipped with a counter to reduce and add people in the room using the FC-51 infrared sensor. Data retrieval is done by detecting human temperature before entering the room, when the temperature input is met, the door of the room will open with a maximum limit of 10 people. The results showed that the system was functioning properly, indicated by the state of the door that could open when it received an input of temperature between 35-37°C, the door remained closed when detecting of temperature other than 35-37°, and the door remained closed when the object in the room was up to 10 people.

Pemanfaatan Kapasitor Semi Silinder Untuk Pengukuran Kadar Pati Singkong Jenis Thailand Dina Mauliyani Qoriah; Arif Surtono; Gurum Ahmad Pauzi; Sri Wahyu Suciyati
Journal of Energy, Material, and Instrumentation Technology Vol 4 No 2 (2023): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v4i2.38

It has been realized that the measurement of the Thai type of cassava starch uses a semi-cylindrical capacitor has been done. This measurement is carried out by providing an input signal to the semi-cylindrical capacitor plate using the IC XR-2206 oscillator with a frequency of 100 kHz. The output signal from the capacitor is in the form of an AC voltage which is then forwarded to the full wave rectifier circuit. The output voltage of the rectifier is a DC voltage, and the results are displayed using a DSO oscilloscope. Cassava starch content was measured by the specific gravity method, and the stress was measured using a semi-cylindrical capacitor. In measuring the starch content, the starch content was 19.12 - 28.76% (range 9.64%) and gave an output voltage of 7.53 - 7.89 V (range 0.36 V). Using the linear regression method, the characteristic equation V = 0.035 KP + 6.871, and the correlation value was equals to 0.985.

Design of a Classroom Noise Monitoring Tool Using a KY-037 Sound Sensor Based on Wemos D1R1 Rifqah, Raden Ayu Nurfadhillah; Suciyati, Sri Wahyu; Surtono, Arif; Pauzi, Gurum Ahmad
Journal of Energy, Material, and Instrumentation Technology Vol 4 No 4 (2023): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v4i4.118

The noise level in the room is one of the factors that can influence teaching and learning activities. Research on classroom noise levels has been done using the Wemos D1 R1-based KY-037 sound sensor. This research aims to determine the noise level in the classroom and be able to monitor the noise level in the room. Data collection was carried out by sound detection in the classrooms of SMA Negeri 13 Palembang from 07.00 – 12.00 WIB for seven days. The research results show that the system is functioning well, indicated by the situation when the noise level is less than 45 dB, and the LED lights up. When the noise level is more than or equal to 45 dB, then the yellow LED, mini DFPlayer, and speaker will light up, and when the noise level is more than or equal to 55 dB, then the red USB LED, mini DFPlayer, and speaker will light up. Data on noise levels and LED conditions received can be monitored via the web server. The system used on the web server is localhost access on a computer that can be monitored within the school environment.

Prototype of a Digital Measuring Device Based on Atmega 328P for Measuring Current, Voltage, Electrical Power, and RLC Components Putri, Risa Amelia; Supriyanto, Amir; Surtono, Arif
Journal of Energy, Material, and Instrumentation Technology Vol 5 No 2 (2024): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v5i2.157

Research on digital measuring device prototypes has developed over the past few years. However, there are still challenges in measuring current, voltage, electrical power, and RLC component parameters accurately. This research aims to design a digital system to measure electrical quantities such as current, voltage, resistance, inductance, and capacitance using Atmega 328P. Data retrieval is done by implementing the system as a whole, namely the AC and DC electrical measurement system and the measurement of RLC components. The results showed that the system can measure and display the result of measuring current, voltage, electric power, and RLC components correctly. The accuracy percentage for the components measuring instrument on the resistor test is 99.35%, the error is 0.65%, and the precision is 99.87%. In the inductor test measurement, the percentage value of accuracy is 94.11%, the error is 5.89%, and the precision is 96.77%. In the capacitor test measurement, the accuracy percentage is 98.03%, the error is 1.97%, and the precision is 98.65%. On the DC voltage sensor, the accuracy percentage is 97.31%, error 2.69%, and precision 99.77%.

Co-Authors , Agustiansyah A Agustiawan A Amanto Abdurrahman, Ahmad Faruq Abidin, Ramadhani Adi Saputra Aewaditha, Randha Kentama Agung Gumelar Agus Riyanto Agustiansyah Agustiansyah Ahmad Badrus Soleh Ahmad Saudi Samosir Ahmad Syaifudin Ahmad Syaifudin Amir Supriyanto Amir Supriyanto Amir Supriyanto Amir Supriyanto angga wahyu pratama Ardian Ardian Ardian Ardian Arta Bayti Bonita Ayu Aprilia Danu Setiawan Denny Irfan Dewi Puspitasari Diana Margarini Diana Rahma Dina Mauliyani Qoriah Dwina Nurizky Syahputri E Edison EKO YULIANTO Elisabhet Yori Vitariasni Eva Sasmita Fitri Anggraini Fitri Yeli Fitri Yelli Fitryan, Anggyta Friska Tiara Desy Grace Pricilya Michiko Gurum A P Gurum A P, Gurum A P Gurum Ahmad Pauzi Gurum Ahmad Pauzi Gurum Ahmad Pauzi Gurum Ahmad Pauzi Gurum Akhmad Pauzi Humairoh Ratu Ayu I Irsan Ilfa Yuni Arta Imam Nasiqin Inda Robbihi Mardhiya Irvana, Raihan J Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi, J Karo , Pulung Karo Kukuh Setiawan Kukuh Setiawan Luh Ari Anjarsari M Mujiono Maesadji Tjokronagoro Maesadji Tjokronagoro Mahfudz Al-Huda Marjunus, Roniyus Muhammad Nur Muhammad Wahyudi Mutiara Amalia Syafira N Nurkholis Nabila, Zhara Nevalen Aginda Prasetyo Nida Lidya Susanti Nita Suliyani Novia Puspasari Pauzi, Gurum Ahmad Prima Aprilliana Puji Siamatun Putra, Rio Adhitya Putri, Risa Amelia Randha Kentama Aewaditha Rifqah, Raden Ayu Nurfadhillah Rizki Afriliyanti Rizki Yara Narvinda Runiyus Marjunus Sakura, Abdan Sammi Rizki Taufik Sanjaya, Purba Sari, Dwi Vaolina Setyo Dwi Utomo SITI KHOLIFAH Situmorang, Elfrina Sri Ratna Sulistiyanti Sri Wahyu Suciyati Sri Wahyu Suciyati Sri Wahyu Suciyati Sri Wahyu Suciyati Sri Wahyu Suciyati Sungkono Sungkono Sungkono Sungkono Supriatin Supriatin Supriyanto, Amir Supriyanto, Amir Supriyanto, Amir Sutopo Hadi Syafriadi Syafriadi Thomas Sri Widodo Thomas Sri Widodo Tri Sutanto W Warsito Warsito Warsito Warsito Warsito Warsito Warsito Warsito, W Wasinton Simanjuntak Yanti Yulianti Yeli, Fitri

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