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All Journal Jurnal Pendidikan Vokasi Jurnal Edukasi Elektro JOURNAL OF EDUCATION Indonesian Journal of Science and Technology
Sigit Yatmono
Universitas Negeri Yogyakarta
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Environmental Science Industrial & Manufacturing Engineering

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The Mobile Robot Control in Obstacle Avoidance Using Fuzzy Logic Controller Khairudin, M.; Refalda, R.; Yatmono, S.; Pramono, H. S.; Triatmaja, A. K.; Shah, A
Indonesian Journal of Science and Technology Vol 5, No 3 (2020): IJOST: VOLUME 5, ISSUE 3, 2020
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v5i3.24889

Abstract

A very challenging problem in mobile robot systems is mostly in obstacle avoidance strategies. This study aims to describe how the obstacle avoidance system on mobile robots works. This system is designed automatically using fuzzy logic control (FLC) developed using Matlab to help the mobile robots to avoid a head-on collision. The FLC designs were simulated on the mobile robot system. The simulation was conducted by comparing FLC performance to the proportional integral derivative (PID) controller. The simulation results indicate that FLC works better with lower settling time performance. To validate the results, FLC was used in a mobile robot system. It shows that FLC can control the velocity by braking or accelerating according to the sensor input installed in front of the mobile robot. The FLC control system functions as ultrasonic sensor input or a distance sensor. The input voltage was simulated with the potentiometer, whereas the output was shown by the velocity of DC motor. This study employed the simulation work in Simulink and Matlab, while the experimental work used laboratory scale of mobile robots. The results show that the velocity control of DC motors with FLC produces accurate data, so the robot could avoid the existing obstacles. The findings indicate that the simulation and the experimental work of FLC for mobile robot in obstacle avoidance are very close.
PENGEMBANGAN APLIKASI USER INTERFACE ANDROID UNTUK PENGUKUR JARAK BERBASIS ARDUINO DAN BLUETOOTH Sigit Yatmono
Jurnal Edukasi Elektro Vol 1, No 2 (2017): Jurnal Edukasi Elektro, Volume 1, Nomor 2, 2017
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (587.154 KB) | DOI: 10.21831/jee.v1i2.17417

Abstract

Aplikasi User Interface (UI) berbasis Android berkembang sangat pesat. Banyak aplikasi kendali sistem dan monitoring sistem berbasis UI Android. Salah satu yang coba diusulkan penulis adalah aplikasi UI Android untuk sistem monitoring jarak benda menggunakan sensor ultrasonik berbasis Arduino. Dalam sistem ini data jarak diperoleh dari pengukuran sensor ultrasonik yang kemudian diolah oleh Arduino Uno. Hasil pengukuran dari Arduino dikirimkan ke smartphone Android menggunakan komunikasi Bluetooth. Aplikasi UI yang dikembangkan menggunakan aplikasi Android RemoteXY. Kita bisa mengembangkan aplikasi UI lebih fleksibel melalui situs remoteXY.com. Kode hasil desain UI diubah ke kode sketch Arduino untuk diupload ke mikrokontroler Arduino. Dari hasil uji coba diperoleh hasil pengukuran jarak yang sesuai dengan jarak sebenarnya, dengan menggunakan penggaris , dan mampu tampil di layar smartphone Android. Selain  menunjukkan jarak benda sistem monitoring juga bisa menunjukkan status jarak dari benda tersebut dalam rentang yang jauh atau dekat sesuai dengan pengaturan awal.Kata kunci: ultrasonik, Android, Arduino, Bluetooth 
Developing microcontroller–based sorting and placing robots in automation practice subject of vocational high school - Sukir; Sigit Yatmono
JOURNAL OF EDUCATION Vol 1, No 1: November 2015
Publisher : LPPM UNY

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Abstract

This study was aimed at developing microcontroller–based sorting and placing robots as training kit of Otomation Practice subject in Vocational High School. The study was research and development involving six steps: need assesment, planning, developing, testing, repairing, and fi nishing. The subjects were10 teachers of Industrial Electronic Study Program of Vocational High School.Data were collected using an observation guide, and analyzed quantitatively usingdescreptive statistic in the form of means. Findings of the study showed that themicrocontroller–based sorting and placing robots had been developed with goodfeasibility degree, which was shown by expert validation average score of 2.93
Students e-learning readiness towards education 4.0: Instrument development and validation Didik Hariyanto; Sigit Yatmono; Moh Khairudin; Thomas Köhler
Jurnal Pendidikan Vokasi Vol 12, No 3 (2022): November
Publisher : ADGVI & Graduate School of Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpv.v12i3.51798

Abstract

One of the characteristics of Education 4.0, which is a response to the demands of Industry 4.0, is the use of adaptive and artificial intelligence technologies in online education. In relation to e-learning preparedness, many researchers have conducted studies. But in Education 4.0, the teaching and learning processes' peculiarities were not considered. Therefore, this study aims to develop and validate an instrument for assessing the e-learning readiness of students toward Education 4.0. There were 126 undergraduate students participated in this study. The respondents were asked to fill out the online-based questionnaire voluntarily. The data obtained were then statistically analyzed using the Pearson product-moment correlation test to measure the instrument's validity. The validity test showed that all items on the questionnaire are considerably valid at a significance level of 0.01. Meanwhile, the instrument reliability was measured through Cronbach's alpha score. The reliability test confirmed that six aspects out of seven of the instrument are categorized as high reliability (flexibility, learning preferences, project-based learning, data interpretation, improving curriculum, and self-directedness). One aspect (field experience) showed a moderate level of reliability. The study's findings confirmed that the questionnaire developed is valid and reliable for collecting data concerning the students' e-learning readiness toward Education 4.0.
Co-Authors - Sukir Didik Hariyanto M. Khairudin Moh Khairudin Pramono, H. S. Refalda, R. Shah, A Thomas Köhler Triatmaja, A. K.