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Rancang Bangun Mekanisme Penendang Bola Berbasis Elektromagnetik untuk Robot Sepakbola Beroda R2C-Warrior Yohanes Haryudanta D.; Fransiscus Dalu Setiaji; Gunawan Dewantoro
Techné : Jurnal Ilmiah Elektroteknika Vol. 17 No. 01 (2018)
Publisher : Fakultas Teknik Elektronika dan Komputer Universitas Kristen Satya Wacana

Pada Kontes Robot Indonesia (KRI) 2017, diadakan sebuah kompetisi untuk divisi baru yaitu Kontes Robot Sepakbola Beroda Indonesia (KRSBI Beroda). Ini mendorong tim Robotics Research Center (R2C) Universitas Kristen Satya Wacana membuat suatu platform robot baru sehingga dapat diikutsertakan pada kompetisi tersebut. Layaknya seorang pemain sepakbola profesional, maka platform robot ini membutuhkan suatu mekanisme penendang bola sehingga robot dapat mencetak gol ke gawang lawan. Pada makalah ini, diusulkan sebuah mekanisme penendang bola yang menggunakan prinsip elektromagnetik. Mekanisme ini terdiri dari sebuah solenoid yang dicatu oleh tegangan maksimal 400V. Tegangan tersebut didapatkan dari sebuah baterai Li-Po 12V dengan kapasitas 2200mAh yang dinaikan tegangannya melalui sebuah DC to DC booster dan ditampung pada sebuah capacitor bank berkapasitas 2240µF. Mekanisme ini dapat menendang bola dengan diameter 20cm dan berat 400gr dengan laju maksimal bola sebesar 10,04m/s.

Perancangan Prototipe Alat Deteksi Asap Rokok dengan Sistem Purifier Menggunakan Sensor MQ-135 dan MQ-2 Ivanno Alexander Rombang; Lukas Bambang Setyawan; Gunawan Dewantoro
Techné : Jurnal Ilmiah Elektroteknika Vol. 21 No. 1 (2022)
Publisher : Fakultas Teknik Elektronika dan Komputer Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31358/techne.v21i1.312

Merokok di tempat umum seperti di pusat perbelanjaan, perkantoran, dan restoran merupakan kebiasaan yang sering dijumpai. Asap rokok merupakan salah satu bentuk pencemaran udara yang mengandung karbon monoksida, amonia, kadmium, nikotin, tar, arsenik, nitrosamina dan sianida. Zat-zat beracun ini berbahaya bagi orang-orang yang berada di dalam ruangan tersebut sehingga hal ini menimbulkan masalah kesehatan. Perancangan prototipe alat deteksi asap rokok yang dibuat memberikan solusi untuk pembersihan udara yang disebabkan oleh polutan asap rokok. Dalam penelitian ini, dirancang alat deteksi asap rokok berbasis Arduino menggunakan sensor MQ-135 dan MQ-2 sebagai pendeteksi kadar gas CO2 dan CO. Sistem purifier menggunakan exhaust fan yang dilengkapi dengan filter karbon aktif. Proses pengujian sistem yang dilakukan adalah pengujian waktu alat untuk membersihkan udara dalam ruangan prototipe dengan kategori polusi asap rokok yang sudah ditentukan yaitu kategori sedikit, sedang dan banyak. Setelah sensor mendeteksi kadar gas mencapai nilai ppm kategori yang ditentukan, hitungan waktu pembersihan mulai dilakukan dengan stopwatch. Hasil pengujian alat deteksi asap rokok sudah dapat membersihkan kualitas udara dalam ruang prototipe dengan rata-rata waktu pembersihan 34,52 menit (kategori sedikit), 40,4 menit (kategori sedang) dan 58,3 menit (kategori banyak).

Skema Kendali Ball-Balancing Robot Secara Nirkabel Gunawan Dewantoro; Franciscus Dalu Setiaji; Edwin C. Mone
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 2: Mei 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.736 KB)

The control system and algorithm of robot keeps developing vigorously nowadays, including that of balancing robot which is an unstable system. And one of those robots is ball-balancing robot which has two degree of freedoms and is the advanced development of the universal two-wheel robots. However, these robots have not taken navigation control into account. These research aims to implement ball-balancing robot with wireless navigation control.The ball-balancing robot is a module which its equilibrium is controlled such that it tends to 0° for both θ as well as ψ angles, using two PID controllers. In addition, PID based speed control of the DC motors are also required. The inclination angle data are acquired by accelerometer and gyroscope simultaneously. The data processing and robot control are processed by ATMega2560 microcontroller. The system testing includes the accuracy of sensors data processing, PID control system, and the motion control of the robot. This control system has been realized but in general still has drawbacks. This robot is still sluggish to respond the changes of set points. This system only moves freely with disturbances up to 7o. This arises from the mechanical design limitation.

Skema Kendali Ball-Balancing Robot Secara Nirkabel Gunawan Dewantoro; Franciscus Dalu Setiaji; Edwin C. Mone
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 2: Mei 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.736 KB)

The control system and algorithm of robot keeps developing vigorously nowadays, including that of balancing robot which is an unstable system. And one of those robots is ball-balancing robot which has two degree of freedoms and is the advanced development of the universal two-wheel robots. However, these robots have not taken navigation control into account. These research aims to implement ball-balancing robot with wireless navigation control.The ball-balancing robot is a module which its equilibrium is controlled such that it tends to 0° for both θ as well as ψ angles, using two PID controllers. In addition, PID based speed control of the DC motors are also required. The inclination angle data are acquired by accelerometer and gyroscope simultaneously. The data processing and robot control are processed by ATMega2560 microcontroller. The system testing includes the accuracy of sensors data processing, PID control system, and the motion control of the robot. This control system has been realized but in general still has drawbacks. This robot is still sluggish to respond the changes of set points. This system only moves freely with disturbances up to 7o. This arises from the mechanical design limitation.

Skema Kendali Ball-Balancing Robot Secara Nirkabel Gunawan Dewantoro; Franciscus Dalu Setiaji; Edwin C. Mone
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 2: Mei 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.736 KB)

The control system and algorithm of robot keeps developing vigorously nowadays, including that of balancing robot which is an unstable system. And one of those robots is ball-balancing robot which has two degree of freedoms and is the advanced development of the universal two-wheel robots. However, these robots have not taken navigation control into account. These research aims to implement ball-balancing robot with wireless navigation control.The ball-balancing robot is a module which its equilibrium is controlled such that it tends to 0° for both θ as well as ψ angles, using two PID controllers. In addition, PID based speed control of the DC motors are also required. The inclination angle data are acquired by accelerometer and gyroscope simultaneously. The data processing and robot control are processed by ATMega2560 microcontroller. The system testing includes the accuracy of sensors data processing, PID control system, and the motion control of the robot. This control system has been realized but in general still has drawbacks. This robot is still sluggish to respond the changes of set points. This system only moves freely with disturbances up to 7o. This arises from the mechanical design limitation.

Kajian Peran Internet of Thing dalam Topik Healthcare Agung Rahadyan Tjipto; Gunawan Dewantoro
KONSTELASI: Konvergensi Teknologi dan Sistem Informasi Vol. 2 No. 2 (2022): Desember 2022
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Kesehatan dan healthcare menjadi hal penting saat ini mengingat pandemi Covid-19 yang sedang berlangsung. Internet of Things merupakan salah satu topik yang dapat mencakup aspek kesehatan dan healthcare serta telah diterapkan di kedua aspek tersebut. Beberapa fitur Internet of Things yang sudah diterapkan dapat membantu mengembangkan fasilitas yang dapat menjaga kesehatan manusia serta fasilitas kesehatan yang merupakan kebutuhan penting saat ini. Banyak hal yang mempengaruhi kondisi kesehatan manusia. Beberapa di antaranya dapat berupa kebersihan lingkungan, kondisi di dalam rumah, dan kualitas udara dalam dan luar ruangan. Internet of Things dapat membantu memenuhi kebutuhan tersebut dengan fitur-fitur seperti mengelola dan memantau kualitas udara, Smart Living, dan Smart Home. Fitur yang dimiliki Smart Home dapat menjaga kualitas kesehatan psikis dan fisik manusia. Smart Home dapat membantu menjaga kesehatan lingkungan karena memiliki fitur untuk membuat konsumsi listrik lebih hemat dan mengurangi pemborosan listrik. Artikel ini bertujuan menyelidiki hubungan antara Internet of Things dan penerapannya dalam topik kesehatan dengan memberikan gambaran tentang contoh fitur Internet of Things yang telah dikerjakan di bidang healthcare pada artikel lain yang diterbitkan. Artikel ini juga memberikan gambaran tentang perkembangan topik kesehatan hingga saat ini yang telah mengalami revolusi menuju sistem Healthcare 4.0.

Kajian Peran Internet of Thing dalam Topik Healthcare Agung Rahadyan Tjipto; Gunawan Dewantoro
KONSTELASI: Konvergensi Teknologi dan Sistem Informasi Vol. 2 No. 2 (2022): Desember 2022
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Kesehatan dan healthcare menjadi hal penting saat ini mengingat pandemi Covid-19 yang sedang berlangsung. Internet of Things merupakan salah satu topik yang dapat mencakup aspek kesehatan dan healthcare serta telah diterapkan di kedua aspek tersebut. Beberapa fitur Internet of Things yang sudah diterapkan dapat membantu mengembangkan fasilitas yang dapat menjaga kesehatan manusia serta fasilitas kesehatan yang merupakan kebutuhan penting saat ini. Banyak hal yang mempengaruhi kondisi kesehatan manusia. Beberapa di antaranya dapat berupa kebersihan lingkungan, kondisi di dalam rumah, dan kualitas udara dalam dan luar ruangan. Internet of Things dapat membantu memenuhi kebutuhan tersebut dengan fitur-fitur seperti mengelola dan memantau kualitas udara, Smart Living, dan Smart Home. Fitur yang dimiliki Smart Home dapat menjaga kualitas kesehatan psikis dan fisik manusia. Smart Home dapat membantu menjaga kesehatan lingkungan karena memiliki fitur untuk membuat konsumsi listrik lebih hemat dan mengurangi pemborosan listrik. Artikel ini bertujuan menyelidiki hubungan antara Internet of Things dan penerapannya dalam topik kesehatan dengan memberikan gambaran tentang contoh fitur Internet of Things yang telah dikerjakan di bidang healthcare pada artikel lain yang diterbitkan. Artikel ini juga memberikan gambaran tentang perkembangan topik kesehatan hingga saat ini yang telah mengalami revolusi menuju sistem Healthcare 4.0.

Javanese Gong Acoustics and Its Modeling using Finite Element Method Gunawan Dewantoro; Matias H.W. Budhiantho
Indonesian Journal of Electrical Engineering and Computer Science Vol 14, No 1: April 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

The Gong is a distinctive percussion instrument because of its wave-like sounds after being struck immediately due to its traditional manufacture procedures. Spectra for the gongs vary substantially due to variation in shape and size, and to dimensional irregularities created during manufacture and whilst tuning by soft-hammering or hand-grinding. Finite Element Analysis is used to predict the effect of a range of variations of gong geometries on modal shapes and modal frequencies. The radiated sound spectra of the gong are also measured and compared with the natural frequencies obtained from Finite Element Analysis. Through the finite element model, the effect of geometric dimensions and material properties of the gong on its sound characteristics can be studied. DOI: http://dx.doi.org/10.11591/telkomnika.v14i1.7402

Javanese Gong Acoustics and Its Modeling using Finite Element Method Gunawan Dewantoro; Matias H.W. Budhiantho
Indonesian Journal of Electrical Engineering and Computer Science Vol 14, No 1: April 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

The Gong is a distinctive percussion instrument because of its wave-like sounds after being struck immediately due to its traditional manufacture procedures. Spectra for the gongs vary substantially due to variation in shape and size, and to dimensional irregularities created during manufacture and whilst tuning by soft-hammering or hand-grinding. Finite Element Analysis is used to predict the effect of a range of variations of gong geometries on modal shapes and modal frequencies. The radiated sound spectra of the gong are also measured and compared with the natural frequencies obtained from Finite Element Analysis. Through the finite element model, the effect of geometric dimensions and material properties of the gong on its sound characteristics can be studied. DOI: http://dx.doi.org/10.11591/telkomnika.v14i1.7402

Optimized PID-Like Neural Network Controller for Single-Objective Systems Gunawan Dewantoro; Johanes Nico Sukamto; Fransiscus Dalu Setiaji
Jurnal Ilmiah Teknik Elektro Komputer dan Informatika Vol 8, No 4 (2022): Desember
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/jiteki.v8i4.25237

The utilization of intelligent controllers becomes more prevalent as the hype of Industry 4.0 arises. Artificial neural network (ANN) exhibits the mapping ability and can estimate the output by means of either interpolation or extrapolation. These properties are sought to supersede the classical controllers. In this study, the ANN establishment was initiated by collecting dataset from the input and output of a well-known PID controller. The dataset was trained using a set of control factor combinations, including the number of neurons, the number of hidden layers, activation functions, and learning rates. Two kinds of ANN controllers were investigated, including one-input and three-input ANN. The testing was conducted under normal and uncertain conditions. These uncertainties include external disturbances, plant variations, and setpoint variations. The integral absolute error (IAE) was selected as the single objective to assess. The simulation results show that the response of three-input ANN controllers could yield smaller IAE at their best combinations under most kinds of conditions. Besides, the three-input ANN outperforms the one-input ANN both qualitatively and quantitatively. These facts might lead to a broader utilization of ANN as controllers.

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