Articles
<![CDATA[Metode Pengukuran Kapasitansi Dengan Menggunakan Mikrokontroler Arduino Uno ]]>
<![CDATA[Valentinus Galih Vidia Putra]]>;
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Endah Purnomosari]]>;
<![CDATA[Ngadiono Ngadiono]]>;
<![CDATA[Irwan Irwan]]>
<![CDATA[ JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol 3 No 1 (2019): JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) - May 2019 ]]>
Publisher : <![CDATA[Program Studi Pendidikan Fisika STKIP Nurul Huda ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (671.541 KB)
|
DOI: 10.30599/jipfri.v3i1.425
<![CDATA[RC circuit (Resistor-Capacitor) is an electric circuit that has a combination of resistor and capacitor components which are installed either series or parallel. This research was conducted to measure the capacitance of two capacitors with different capacitances with only using one resistor. This study aims to compare the capacitance both experimentally (using data acquisition systems) and theoretically. Capacitance measurements were carried out experimentally using Arduino Uno and at a maximum voltage of 5 volts. In this research, it has been successfully determined the charge capacitance of the capacitors, both in experiment and theory. It has been found the correlation of the results between experiment and theory (the value of R2 in charging and discharging process is greater than 0.95).]]>
<![CDATA[Studi Penentuan Kalor Jenis Air dan Larutan Garam Menggunakan Mikrokontroler Arduino Uno ]]>
<![CDATA[Valentinus Galih Vidia Putra]]>;
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Endah Purnomosari]]>;
<![CDATA[Ngadiono Ngadiono]]>;
<![CDATA[Irwan Irwan]]>
<![CDATA[ JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol 3 No 2 (2019): JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) - November 2019 ]]>
Publisher : <![CDATA[Program Studi Pendidikan Fisika STKIP Nurul Huda ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (445.72 KB)
|
DOI: 10.30599/jipfri.v3i2.462
<![CDATA[This research was conducted to determine specific heat of pure water and salt solution using the calorimeter measurement method based on the Arduino Uno microcontroller. The salt solution and pure water solution were heated by the heating wire with 2.4 A and 0.54 Ω. The temperature of the pure water and the salt solution was measured using the Arduino Uno microcontroller and DS18B20 temperature sensor. In this study, the Cv of pure water and salt solution has been found.]]>
<![CDATA[Pengembangan Alat Uji Efisiensi Lampu Berbasis Mikrokontroller Arduino Uno untuk Evaluasi Tingkat Pencahayaan Lampu Meja Belajar di Laboratorium Fisika-Mekatronika Politeknik STTT Bandung ]]>
<![CDATA[Valentinus Galih Vidia Putra]]>;
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Ngadiyono Ngadiyono]]>;
<![CDATA[Endah Purnomosari]]>
<![CDATA[ JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol 4 No 2 (2020): JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) - November 2020 ]]>
Publisher : <![CDATA[Program Studi Pendidikan Fisika STKIP Nurul Huda ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.30599/jipfri.v4i2.640
<![CDATA[In this research, a light efficiency test tool has been designed using an Arduino UNO microcontroller to provide an understanding of the use of the ohm law application in basic physics practicum. This lamp efficiency test prototype uses an LDR sensor device and a resistor connected to the Arduino microcontroller as a light intensity detector, while the variation of electrical power is used by an AC variac with the lamp distance to the sensor having a constant value. The experimental results showed that the efficiency of the lamp can be obtained through a gradient of the luminosity curve on electric power. The efficiency of the lamp is 16.935 lm/watt and the average resistance can be obtained on 983.01 which the intensity in lux is 337,05 lux on 157,68 Lm and the maximum intensity in lux can be obtained on 453,35 lux on 208,54 Lm.]]>
<![CDATA[Pengukuran Konstanta Dielektrik Udara Pada Perangkat Kapasitor Plat-Sejajar Berbasis Mikrokontroler Arduino Uno ]]>
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Valentinus Galih Vidia Putra]]>
<![CDATA[ JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol 4 No 1 (2020): JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) - May 2020 ]]>
Publisher : <![CDATA[Program Studi Pendidikan Fisika STKIP Nurul Huda ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (437.487 KB)
|
DOI: 10.30599/jipfri.v4i1.651
<![CDATA[This study aims to design a prototype of an air dielectric constant measuring device and be able to measure the capacitance value using an Arduino microcontroller device. The measurement of the air dielectric constant is carried out by means of the principle of measuring the capacitance of a capacitor device with a plate-parallel configuration with the air dielectric material. Capacitance measurements are carried out with the principle of charging and emptying capacitors using an Arduino Uno microcontroller device. The charging and discharging process is carried out using a series of resistor-capacitor (RC) series with a source voltage of 5 volts from the microcontroller device. This experiment has used a parallel plate with a size of 29 × 30 cm as an electrode capacitor, and a resistor device with a size of 125 megaOhm. The results showed that the behavior of charging and discharging parallel plate capacitor devices has an R square value of> 0.9, which shows a fairly good correlation between the predicted and experimental results on capacitance measurements. The results showed that the prototype of a dielectric constant measuring device can be well designed by showing the capacitance value of the device at the state of filling and emptying and the measurement results show the value of the air dielectric constant has been measured with a value of 0.991 - 1.0346.]]>
<![CDATA[Penerapan Fisika Komputasi dengan MATLAB/Simulink pada Pemodelan Infeksi Wabah COVID-19 di Indonesia melalui Modifikasi Persamaan Differensial Bernoulli ]]>
<![CDATA[Valentinus Galih Vidia Putra]]>;
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Juliany Ningsih Mohamad]]>;
<![CDATA[Irwan Irwan]]>;
<![CDATA[Cahaya Rosyidan]]>
<![CDATA[ Jurnal Teori dan Aplikasi Fisika Vol 8, No 2 (2020): Jurnal Teori dan Aplikasi Fisika ]]>
Publisher : <![CDATA[Universitas Lampung ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.23960/jtaf.v8i2.2513
<![CDATA[The application of physics, in particular, the topic of differential equations is commonly used in mathematics, physics, engineering, and various other sciences to explain a phenomenon in a system, to produce a form of simulation and prediction of a fairly good mathematical equation is needed. This paper examines the use of MATLAB / Simulink to assist in modeling the solution of the differential equation problems by providing a case of mathematical modeling in the analysis of the COVID-19 plague in Indonesia in 2020 with the modification of the Bernoulli equation. In this study, it can be concluded that MATLAB / Simulink can be used to solve differential equation problems with Bernoulli's modification in the case of COVID-19 plague modeling quite accurately.]]>
<![CDATA[Pengaruh konstruksi kerapatan benang kain tenun kapas 100% (kain kanvas) terhadap konstanta dielektrik dan profil tegangan pengisian & pengosongan pada perangkat kapasitor plat sejajar ]]>
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Valentinus Galih Vidia Putra]]>
<![CDATA[ Jurnal Teknika Vol 16, No 2 (2020): Edisi November 2020 ]]>
Publisher : <![CDATA[Faculty of Engineering, Universitas Sultan Ageng Tirtayasa ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.36055/tjst.v16i2.8198
<![CDATA[Pada dasarnya kain tenun terdiri atas struktur anyaman benang-benang yang terbuat dari bahan serat tekstil melalui suatu proses pertenunan. Salah satu jenis serat yang telah lama dikenal sebagai bahan baku pembuatan kain tenun adalah serat kapas. Terdapat tujuh jenis konstruksi kerapatan benang kain tenun kapas 100% yang telah digunakan sebagai material dielektrik pada penelitian ini. Pada penelitian ini telah dilakukan pengamatan mengenai pengaruh konstruksi kerapatan benang kain tenun kapas 100% (kain kanvas) terhadap konstanta dielektrik dan profil tegangan pengisian & pengosongan pada perangkat kapasitor plat sejajar. Pengamatan konstanta dielektrik dan perilaku tegangan perangkat kapasitor plat sejajar berdielektrik kain tenun kapas 100% saat proses pengisian & pengosongan telah dilakukan dengan menggunakan perangkat mikrokontroler Arduino Uno. Proses pengisian & pengosongan kapasitor telah dilakukan dengan menggunakan skema rangkaian seri resistor-kapasitor (RC). Hasil pengamatan menunjukkan kesesuaian cukup baik antara hasil prediksi dan eksperimen pada perilaku profil tegangan kapasitor plat sejajar berdielektrik kain tenun kapas 100% saat proses pengisian & pengosongan dengan nilai R2 > 0,9. Telah ditemukan hubungan antara parameter kerapatan benang kain tenun kapas 100% terhadap konstanta dielektrik dan profil tegangan pengisian & pengosongan perangkat kapasitor plat sejajar. Hasil menunjukan bahwa semakin besar nilai kerapatan benang kain tenun kapas 100%, maka semakin besar nilai konstanta dielektrik kain tersebut. Woven fabric consists of interlacing threads made from fiber material by weaving process. One type of fibers which is known as raw material for making woven fabric is cotton fiber. In this research, there are seven types of yarn-fabric density of 100% cotton fabric that has been used as dielectric materials. In this study, the influence of woven dielectric yarn density on the dielectric properties and the voltage charging & discharging profiles of the parallel plate capacitor devices has been carried out. The observation of the dielectric properties and the voltage in the parallel plate capacitor devices during the charging and discharging process are carried out using an Arduino Uno microcontroller device. The charging and discharging profiles are measured by using a series of resistor-capacitor (RC) circuit. The results of the charging process and the discharging process obtained R2 > 0.9, which indicates that the correlation between the predicted and experimental results has a very good relationship. It has been found that the correlation between the woven dielectric yarn density on the dielectric constant and the charge-discharge profiles of the parallel plate capacitor. It also has been found that the higher density of the 100% cotton fabric, the higher the dielectric constant value of the fabric.]]>
<![CDATA[EFEK MODIFIKASI PLASMA UNTUK MENINGKATKAN SIFAT TAHAN API DARI KAIN KATUN ]]>
<![CDATA[Valentinus Galih Vidia Putra]]>;
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Juliany Ningsih Mohamad]]>
<![CDATA[ Jurnal Dinamika Penelitian Industri Vol 31, No 1 (2020): JURNAL DINAMIKA PENELITIAN INDUSTRI ]]>
Publisher : <![CDATA[Balai Riset dan Standardisasi Industri Palembang ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.28959/jdpi.v31i1.5878
<![CDATA[Pada penelitian ini telah dikembangkan sifat tahan api pada bahan tekstil kain katun dengan menggunakan resin tahan api dan ekstrak daun bayam. Zat tahan api diaplikasikan pada kain katun dengan menggunakan metode plasma bertekanan atmosfir dan pad-dry-cure. Kain katun yang digunakan merupakan kain kapas yang telah mengalami proses pengelantangan dan merserisasi. Pada penelitian ini telah dilakukan tiga jenis metode, yaitu metode pad-dry-cure pada zat resin tahan api dengan pra-perlakuan plasma bertekanan atmosfer, metode perendaman pada zat resin tahan api dengan pra-perlakuan plasma bertekanan atmosfer, dan metode perendaman pada ekstrak daun bayam dengan pra-perlakuan plasma bertekanan atmosfer. Penelitian menunjukan bahwa ada peningkatan sifat tahan api pada kain katun yang telah diberikan perlakuan. Penilaian sifat tahan api diuji dengan menggunakan metode uji standar tahan api cara vertikal ASTM D6413-08. Pada penelitian ini telah dilakukan perlakukan plasma bertekanan atmosfer dengan variasi waktu 4 menit dan 8 menit. Hasil penelitian menunjukan bahwa kain katun dengan perlakuan metode perendaman pada ekstrak daun bayam dan pra-perlakuan plasma bertekanan atmosfer memiliki sifat tahan api yang paling baik diantara metode lainnya. Telah ditemukan pula pada studi ini bahwa waktu perlakuan plasma 4 menit berpengaruh terhadap sifat tahan api kain katun.]]>
<![CDATA[STITCH PER INCH MEASUREMENT USING IMAGE PROCESSING TECHNIQUES ]]>
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Valentinus Galih Vidia Putra]]>
<![CDATA[ Arena Tekstil Vol 33, No 2 (2018) ]]>
Publisher : <![CDATA[Balai Besar Tekstil ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (486.301 KB)
|
DOI: 10.31266/at.v33i2.3571
<![CDATA[Stitch per inch is defined as the one of many quality parameters which evaluated in the garment industry. The strength of the stitch will be determined by stitch per inch, both on the clothes and fabrics. Conventionally, stitch per inch determined by using a traditionaly visual method. Many researchers have been developed the image processing technology which applied into various textile fields. In this reserach, it has been developed a new method and a new software which could determine stitch per inch on fabrics using the image processing techniques. Stitch per inch measurement has been done using the box counting method (pixel) on image processing software. Stitch per inch in several fabrics (with different color and structures) has been measured, which shows that the value of the each methods are equal]]>
<![CDATA[Pemodelan Pengaruh Nomor dan Kecepatan Pengantar Benang Terhadap Kekuatan Benang Ring Spinning Menggunakan Mekanika Klasik dan Regresi Multivarian Nonlinear ]]>
<![CDATA[Valentinus Galih Vidia Putra]]>;
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Irwan Irwan]]>;
<![CDATA[Totong Irwan]]>;
<![CDATA[Cahaya Rosyidan]]>
<![CDATA[ Jurnal Fisika FLUX Vol 16, No 2 (2019): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat ]]>
Publisher : <![CDATA[Lambung Mangkurat University Press ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (817.261 KB)
|
DOI: 10.20527/flux.v16i2.5989
<![CDATA[The application of theoretical physics can be found in textile processing such as yarn manufacturing process. The aim of this research is to determine and to develop a new model to predict the yarn strength of ring spun yarn influenced by the yarn count number (in unit m/g) as well as the delivery speed of yarn in bobbin (vf). In this research we have found a new model to predict the yarn strength on ring spinning machine based on classical mechanics as well as statistical method using nonlinear multivariate regression .According to this research, we have established that both classical mechanics and nonlinear multivariate regression can be applied and developed to predict yarn strength as a function of yarn delivery speed and yarn count number both theoretically and experimentally.]]>
<![CDATA[Novel Method for Fire Retardancy of Cotton Fabrics Coated by Spinach Leaf Extract Assisted by Corona Discharge Plasma ]]>
<![CDATA[Valentinus Galih Vidia Putra]]>;
<![CDATA[Andrian Wijayono]]>;
<![CDATA[Juliany Ningsih Mohamad]]>
<![CDATA[ Dinamika Kerajinan dan Batik: Majalah Ilmiah Vol 37, No 2 (2020): DINAMIKA KERAJINAN DAN BATIK : MAJALAH ILMIAH ]]>
Publisher : <![CDATA[Balai Besar Kerajinan dan Batik ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.22322/dkb.v37i2.6038
<![CDATA[The application of material physics in the functional textile field has been widely applied, one of which is plasma technology. In this research, the fire-retardant properties have been developed in the cotton fabric textile material using spinach leaf extract and comparison of fire-retardant resin on the market using plasma technology. The flame-retardant is applied to the cotton fabric using the atmospheric-pressure plasma method with a tip-cylinder electrode. The cotton fabric used is a cotton fabric that has undergone a process of bleaching and mercerization. In this research, two types of methods have been carried out, namely the immersion method on the fire-retardant resin substance with atmospheric pressure plasma pre-treatment and the immersion method on spinach leaf extract with atmospheric pressure plasma treatment. Research shows that there is an increase in the fire-retardant properties of cotton fabrics that have been given treatment. The assessment of fire-retardant properties was tested using the standard method of fire-retardant ASTM D6413-08 vertical method. In this research, atmospheric-pressure plasma treatment with a time variation of 2 minutes and 4 minutes has been carried out. The results showed that the cotton fabric treated with the immersion method on spinach leaf extract and atmospheric pressure plasma pre-treatment had better fire-retardant properties. It has also been found that the length of time the plasma treatment will affect the fire-retardant properties of cotton fabrics.]]>
