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Journal : Sinergi

ROTATED RECTANGULAR SLOTS AND MIRRORED INVERSED CANTOR-SETS ON ULTRAWIDEBAND ANTIPODAL VIVALDI ANTENNA Sabri Alimi; Teguh Prakoso; Munawar Agus Riyadi
SINERGI Vol 23, No 2 (2019)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (379.542 KB) | DOI: 10.22441/sinergi.2019.2.011

Abstract

Variants of antipodal Vivaldi antenna (AVA) design suitable for access point working on 0.5 – 6.0 GHz are proposed in this paper. The novel designs were produced by employing three novel techniques to conventional AVA: (i) rotated-slot pattern to shift down the frequency cutoff and enhancing bandwidth, (ii) curve design to miniaturize rotated-slot-inserted antipodal Vivaldi, and (iii) fractal-director (Cantor set) to increase the gain of antipodal Vivaldi. Using FR4 (relative permittivity of 4.4) with an overall dimension of 300 mm x 143 mm x 1.6 mm the antenna designs are able to work at a frequency of 0.472 GHz to higher than 6 GHz with a maximum gain of 11.9 dBi.
Classification of motor imagery brain wave for bionic hand movement using multilayer perceptron Sapto Budi Priyatno; Teguh Prakoso; Munawar Agus Riyadi
SINERGI Vol 26, No 1 (2022)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2022.1.008

Abstract

Physical disability due to amputation can affect a person's quality of life due to limited movement in performing daily activities. Bionic hands are used to help someone with an amputation disability. This research developed a bionic hand control based on electroencephalography sensors capable of measuring the brain's bioelectric activity. The classified brain wave was then translated as activity pattern information. The alpha & beta waves were the focus of this work. This study demonstrated a method to extract and classify motor imagery of brainwave activity patterns. The Fast Fourier Transform (FFT) method extracts motor imagery characteristics. The extraction of features is then classified by the Multilayer Perceptron (MLP) method for five classes of bionic hand movement. Testing was conducted with two scenarios. The first test motor imagery without additional movement showed an accuracy of 77.20 %, while the second test motor imagery combined with head movement showed an accuracy of 84.40% for five classes. The system based on motor imagery has been implemented in a bionic hand that shows the applicability of the proposed method.
Co-Authors Abdul Hamid Alfauzi Achmad Hidayatno Adhi Nugraha Affandi, Muhammad Afif Afin M Nurtsani Aghus Sofwan Agnes Yora Gracia Simatupang Ahmad Riyandi Akbar Satria Wardhana, Akbar Satria Ananda, Refisa Andreansyah, Muhammad Iqbal Apriani, Zuliana Apriliani Nabila Anjani Apriliani, Rina Ardhian Ainul Yaqin Arif Munandar Arifianto, Eko arjang Badriyah, Ratu Baron Murianda Brilian Dermawan Brillianing Pratiwi Damayanti, Denti Agustina Darjat Darjat Dewi, Arkidianabela Anggara Donny Dharmawan Dwi Budi Srisulistiowati E. H. Hadyan E.H. Hadyan E.H. Hadyan, E.H. Hadyan Eko Arifianto Eko Arifianto Enang Rusyana Enggar Hindami Hadyan Erasma, Erasma Fitra Jaya Hadyan, E. H. Hanardi Satrio Hari Kurnia Safitri Heriani Heriani, Heriani Houtman Ian Amri Dinina Ibrahim Ibrahim Ifki Arifatul Utami Irawan D Sukawati Irawan Dharma Sukawati, Irawan Dharma Jatmiko E. Suseno Jatmiko E. Suseno Khoerul Fajri Lase, Sepandil Laras Liya Yusrina Sabila M. A. Riyadi M. Noor, N Shazwani M.A. Riyadi M.A. Riyadi, M.A. Riyadi Maulina, Murni Memet CASMAT Mertua Agung Durya, Ngurah Pandji Mochammad Facta Mohamad Yunus, Mohamad Muhamad Ridwan Fauzi, Muhamad Ridwan Mujib, Khusnil Munawar A Riyadi Munawar Agus Riyadi Murianti, Diana Mustari Mustari Muthia Nur Fajrina Muthouwali, Achmad Ngaqib N Shazwani M. Noor N. Shazwani M. Noor, N. Shazwani natanael pandapotan, natanael Ngah, Razali Ngah, Razali Nicholas Audric Adriel Novita Sari Harianja Nursantoso, Teguh Oktavianto, Tedi Permanasari, Devi Rahma Dewi Hartati Razali Ngah Razali Ngah Razali Ngah Riyadi, M. A. Riyadi, Munawar Riyadi, Munawar Riyadi, Munawar A. Riyandi, Ahmad Rovandi, Harris Rustaman, Dede Sabila, Liya Yusrina Santoso, Imam Santoso, Muhammad Hery Sapto Budi Priyatno Setiawan, Budhy Siti Aisyah Siti Hadianti, Siti Sofwan, Aghus Soleh, Soleh Stefani Dian Hutami Sukiswo Sukiswo Sukiswo Sukiswo Sumardi . Suseno, Jatmiko E. Syafruddin Syuja Rizqullah Tanzila Azizi Rochim Tharek A. Rahman Ucu Rahayu Uli Wildan Nuryanto Utiarahman, Nurnaningsih Venus Khasanah Victor Pattiasina Winasis, Ganjar Yohandri Natan Yuli Christyono Yuli Christyono Yuliana, Rachma Yulistina Yulistina