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All Journal International Journal of Electrical and Computer Engineering JTEV (Jurnal Teknik Elektro dan Vokasional Jurnal Simetris TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Sinergi Pedagogi : Jurnal Penelitian Pendidikan ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Proceeding of the Electrical Engineering Computer Science and Informatics JET (Journal of Electrical Technology) Seminar Nasional Teknologi Informasi Komunikasi dan Industri InComTech: Jurnal Telekomunikasi dan Komputer Jurnal Elektronika dan Telekomunikasi Journal of Applied Engineering and Technological Science (JAETS) International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Unri Conference Series: Community Engagement J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal INFOTEL BATOBO: Jurnal Pengabdian Kepada Masyarakat Science, Technology, and Communication Journal JTPPm (Jurnal Teknologi Pendidikan dan Pembelajaran) : Edutech and Intructional Research Journal Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics
Yusnita Rahayu
(Scopus ID : 24822760300) Department Of Electrical Engineering, Universitas Riau
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Social Sciences Other

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Teknologi Mesin Pencacah Pakan Ternak Bergerak Terpadu di Pesantren Aufia Gibs Desa Minas Jaya, Minas, Siak Yusnita Rahayu; Firdaus Firdaus; Rahmat Rizal Andhi; Ibrahim As; Fajrinnida Desfitri; Anjli Wulandari
Unri Conference Series: Community Engagement Vol 3 (2021): Seminar Nasional Pemberdayaan Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/unricsce.3.391-396

Abstract

The farm sector is the sector that has the most potential in the progress of the Aufia pesantren. So far, farms in the Aufia Islamic boarding school are only given whole animal feed from the weeds found in the pesantren. This is certainly not effective because as time goes on and when the farm is growing, it will be difficult to get maximum animal feed. So we need a chopper technology to destroy food waste and agricultural products that have not been utilized which can then be consumed by the animals. The purpose of this activity is to optimize the potential of pesantren by processing an integrated mobile feed system to meet the nutrition and quantity of growth and development of sheep. This chopper machine can chop animal feed ingredients in the form of leaves and weeds in the pesantren environment more optimally. The research method used is the socialization of the chopping machine and continued with demonstrations on the use of the chopper and the fermentation process. The result of this activity is that the chopper machine functions well and can chop animal feed raw materials in the form of weeds, palm leaves and other plants perfectly, easy to operate and move by the students at the pesantren which will then be fermented for long-term storage.
Eksperimen Probabilitas Stopping Set pada Coded Random Access (CRA) Untuk Jaringan IoT Nola Gabriella Hutapea; Yusnita Rahayu; Khoirul Anwar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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

Abstract

By increasing of users/devices number, Coded Random Access mechanism is suitable to enable successful access wireless successfully on super dense network. Problem of using Coded Random Access is stopping set appears. Stopping set is a harmful structure, where no other way for some trapped users in a set to be decoded. Stopping set is affected by degree distribution. This paper presents probability experiment of stopping set on Coded Random Access for Internet of Thing (IoT). It uses MATLAB R2016a as tool proving. The result of this research is used as performance networking prediction of future IoT. The results confirm that this research has a highly accuracy opportunity and becomes so practical. Then, a new graph stopping set is found on the result of simulation. The number of user/device randperm, ˄(x) and G affect the probability of stopping set on CRA for IoT network. More G approaches 1, the more number of stopping sets too appear and vice versa. For probability of stopping set on Coded Random Access, if G more keeps from 1, so occetence of stopping set on CRA prpbability is smaller. On the other side, if G gets closer to 1, so appearance of stopping set on CRA, probability is bigger.Keyword : Super Dense-Network, Coded Random Access, Stopping Set.
Penanganan Kasus Interferensi Sistem Egsm dan Lte di Pita 800 Mhz Area Pekanbaru Menggunakan Pemisahan Kanal (Guard Band) Yusnita Rahayu; Abdul Muttaqin
JTEV (Jurnal Teknik Elektro dan Vokasional) Vol 5, No 1.1 (2019): Edisi khusus prosiding FORTEI 2019
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (345.321 KB) | DOI: 10.24036/jtev.v5i1.1.106755

Abstract

Sistem LTE dan EGSM dalam Alokasi frekuensi di Indonesia berada pada spektrum frekuensi yang berdekatan. Hal ini berpotensi menyebabkan terjadinya gangguan interferensi antara kedua sistem. Penelitian ini berfokus pada meminimalisasi interferensi antara downlink LTE(base station LTE sebagai interferer) terhadap uplink EGSM (base station EGSM sebagai korban interferensi) menggunakan teknik pemisahan kanal. Interferensi ini berpotensi menurunkan kualitas penerimaan sinyal pada base station EGSM. Pada penelitian ini dilakukan analisa untuk mengetahui potensi adanya interferensi antara sistem LTE dan EGSM pada pita frekuensi 800 MHz dengan melakukan simulasi menggunakan software SEAMCAT. Hasil yang diperoleh untuk menghilangkan interferensi yang terjadi pada sistem LTE dan EGSM adalah dengan penambahan guard band, dengan jarak terbaik didapatkan pada jarak 4 km dengan tingkat C / I  ≥12 dB pada zona lingkungan URBAN dan jarak 5 km pada lingkungan zona SUB URBAN
Design and development of smart lock system based QR-Code for library's locker at Faculty of Engineering, Universitas Riau Yusnita Rahayu; Luthfi Afif; Ping Jack Soh
SINERGI Vol 26, No 3 (2022)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2022.3.013

Abstract

A security system is needed to prevent theft or other criminal acts. One of the implementations of a popular security system today is the Smart Lock System. This study discusses the design of an intelligent lock system using QR Code scanning as a locker key at the Library of the Faculty of Engineering, Universitas Riau. The design of the device system consists of one piece of ESP8266 Node MCU module, one piece of 12V Power Switch Adapter, one piece of AMS 1117 module with 3.3V and 5V output voltages, three pieces of 5V Relays, three pieces of 12V Solenoids. The security system has been improved compared with existing security systems, such as verification for personal data, email notification, and level login to get theft to treat notification. This paper also measured the delay of the device system. Based on measurement results, the average delay obtained is 1.66 seconds. 
Dual-band frequency reconfigurable 5G microstrip antenna Yusnita Rahayu; Yoga Bayu Pradana; Yoshihide Yamada
SINERGI Vol 27, No 1 (2023)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2023.1.010

Abstract

Microstrip Antenna is widely developed and used in modern telecommunications equipment because of its advantages. Microstrip antenna is also used in 5G development which is expected to increase communication capacity and also be able to provide very large data rates. The frequency used in 5G is 28, 38, and 78 GHz. However, the 5G network with high frequency has a weakness: transmitted waves are vulnerable to weather because of their dense waveform. Therefore, the multiband is used to support different frequencies in one antenna. Furthermore, antenna reconfiguration is used to set the antenna to work on a different frequency and adjust different radiation patterns depending on the needs without changing the form of the antenna. This paper proposes the dual-band frequency reconfigurable antenna with RT Duroid 5880 as its substrate using PIN diodes placed between the main patch and secondary patch element and simulated on CST software for 28 GHz and 38 GHz with two conditions, ON and OFF. Both simulated and measured results show that the antenna can work well as intended. During the OFF condition, the antenna only works at 38 GHz, while in the ON condition, the antenna works at 28 GHz and 38 GHz, respectively.
Program home industri produksi jilbab syar’i bagi PKK Kampung Bunsur untuk meningkatkan perekonomian masyarakat Desa Bunsur Kecamatan Sungai Apit Kabupaten Siak Feranita Feranita; Ery Safrianti; Nurhalim Nurhalim; Dian Yayan Sukma; Yusnita Rahayu; Salhazan Salhazan; Linna Oktaviana Sari
J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Vol 4, No 1 (2020): April 2020
Publisher : IKIP PGRI Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (824.796 KB) | DOI: 10.30734/j-abdipamas.v4i1.680

Abstract

ABSTRACTThe hijab sewing skills training program is seen as a strategic educational skill to be implemented for women because hijab sewing can be applied for their own needs or become a side business. This skill, if properly trained and mastered, can become a form of business that can help the family economy and create jobs for the community. The village community service activities were carried out in Bunsur Village, Sungai Apit Subdistrict, Siak Regency, Riau Province with the target audience is the housewives of the village. They have given basic knowledge in choosing materials for the hijab. Then skills trained was held, starting how to make pet and headscarves, cutting fabrics according to the patterns that have been made, and sewing headscarves with various existing patterns. After the stitches are finished, then an examination of the results of the stitches so that they are suitable for sale and market. Keywords: Bunsur Village, home industry, sewing training, hijab  ABSTRAKProgram pelatihan keterampilan menjahit jilbab dipandang sebagai sebuah skill pendidikan yang strategis untuk dilaksanakan bagi wanita karena menjahit jilbab dapat diaplikasikan untuk kebutuhan sendiri ataupun menjadi usaha sampingan. Keterampilan ini bila dilatih dan dikuasai dengan baik dapat menjadi bentuk usaha yang dapat membantu perekonomian keluarga dan penciptaan lapangan kerja bagi masyarakat. Kegiatan pengabdian kepada masyarakat desa ini dilaksanakan di Desa Bunsur Kecamatan Sungai Apit Kabupaten Siak Propinsi Riau dengan khalayak sasarannya adalah Ibu-ibu rumah tangga desa tersebut. Mereka diberi pengetahuan dasar dalam memilih bahan untuk jilbab. Kemudian diadakan pelatihan keterampilan, mulai cara membuat pola pet dan jilbab, memotong kain sesuai dengan pola yang sudah dibuat, dan menjahit jilbab dengan bermacam pola yang telah ada. Setelah jahitan selesai, kemudian dilakukan pemeriksaan terhadap hasil jahitan sehingga layak untuk dijual dan dipasarkan. Kata Kunci: Desa Bunsur, home industri, pelatihan menjahit, jilbab
Design and Development of Mini-Compact Wilkinson Power Divider for X-Band Man-Pack Surveillance Radar Yusnita Rahayu; Lara Putri Utami; Teguh Praludi; Topik Teguh Estu; Yussi Perdana Saputera; Anhar Anhar
Jurnal Elektronika dan Telekomunikasi Vol 23, No 1 (2023)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jet.539

Abstract

This paper presents the design and development of a mini-compact Wilkinson Power Divider (WPD) operating at 9.3 GHz, with a wide bandwidth of 200 MHz, for the Man-Pack Surveillance Radar (MPSR) application. The design of the WPD was carried out using Advanced Design System (ADS) software with a microstrip feeding technique. The substrate material used in this design was Duroid Roger 5880, which has a thickness (h) of 1.575 mm, dielectric constant (εr) of 2.20, and loss tangent (tan δ) of 0.0009. A WPD was designed, developed, and measured. The simulation results obtained included return loss (S11) -37.50 dB, (S22) -26.59 dB, (S33) -26.09 dB, insertion loss (S21) -3.61 dB and (S31) - 2.55 dB, and isolation (S32) -12.89 dB. Overall, the simulation result parameters worked at a frequency of 9.3 GHz. Furthermore, when the WPD measurement produces a measured return loss of (S11) -28.69 dB, (S22) -28.5 dB, (S33) -29.95 dB, insertion loss (S21) -6.61 dB, and (S31) -7.55 dB, and isolation (S32) -21.89 dB. The dimensions resulting from the realization were 20.5 mm x 20 mm.
Sistem Pendeteksi Gelombang Otak Berbasis Electroencephalogram (EEG) Pada Studi Kasus Anak Penderita Autisme Gamaliel Saverius Siregar; Yusnita Rahayu
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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

Abstract

Brain is the important part as a control center, coordination and controling the human body. Inside the brain can be noticed that there are activity and abnormalities of the brain work. Every single person has activity or abnormalities brain work. It can happen to children with autism. Children who have an autistic symptoms occur due to distrubance of complex and variation of the brain function. A brain waves recorder or Elektroesefalogram can see and read the brain work activity. elektroesefalogram is a test that is used to know the electrical activity of the brain to detect whether there is a brain abnormality or not. This research designs a prototype EEG equipment especially to record children with autistic symptoms. The choosen participants in this research are chosen by seeing the result of CAST questionnaire that contains 37 questions. The recording in this research is used by using a particular sensor which is electrode, that is installed on the scalp and connected to computer/laptop. Using 4 electrodes in the lobes that are determined as a benchmark. The result of the recording can be displayed directly by MATLAB on a connected computer.Keywords : Autism, EEG, CAST, electrodes, Electroensephalogram, MATLAB.
A Machine Learning Model for Determination of Gender Utilizing Hybrid Classifiers Dewi Nasien; M. Hasmil Adiya; Yusnita Rahayu; Dahliyusmanto Dahliyusmanto; Erlin Erlin; Devi Willieam Anggara
Journal of Applied Engineering and Technological Science (JAETS) Vol. 5 No. 1 (2023): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v5i1.1839

Abstract

One part of forensic anthropology involves investigating skeletal remains to identify corpses, and many of these remains were found incomplete, burned, broken, or destroyed, making investigation challenging. This study aims to use the pelvis and femur to identify the gender of skeletal remains. The pelvis and femur have previously been proven to be accurate indicators of a corpse's gender. The identification process is done through the measurement of the subpubic angle of the pelvis and the angle taken straight down from the top of the femur to the patella and then straight up. The two measurements were combined using the principal component analysis (PCA) method into two attributes on the x and y axes. These attributes were later used as data for the machine learning model design. The design process consisted of an Artificial Neutral Network (ANN) design model and Support Vector Machine (SVM) design model combined into a hybrid machine learning system. The ANN and SVM hybrid machine learning were tested with acquired data. The result of the test using the confusion matrix showed 83.33% accuracy, which is categorized as "good classification" based on Area Under the Curve (AUC).
Development of a wearable resonator mask for breathing rate monitoring Yusnita Rahayu; Tasya Kirana; Jack Ping Soh
JURNAL INFOTEL Vol 15 No 4 (2023): November 2023
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v15i4.979

Abstract

As one of the processes of patient care, diagnosis, and monitoring are the most important steps in the medical field. Sleep apnea is a problem that affects about 25 million Americans, and 80% of them go untreated because it is not identified. Monitoring has a big role in making patient treatment decisions. So this research aims to produce a wearable resonator mask that can work as a breathing rate monitor. The proposed resonator will use the relative humidity generated during the respiration process. The resonator uses a textile jeans material that is flexible, comfortable, and fits on a mask. Testing is carried out in 3 different positions; lying down, sitting, and standing. There is a difference in the percentage of RH produced from each position based on the difference in the frequency range produced. The proposed resonator operates well at 3.9 GHz.
Co-Authors Abd. Rasyid Syamsuri Abdul Muttaqin Adit Kurniawan Adit Kurniawan Adiya, M. Hasmil Afif, Luthfi Ahmad Mudhirullaq Syam Akmal Akmal Alfannizar, Ibnu Alfaridho Haqiqi Ali, Arbiansyah Amir Hamzah Ananda Gusma, Rezki Andhi, Rahmat Rizal Andika, Mayo Angga Pratama Anggie Kurnia Fareri Anggreani, Dyan Anhar Anhar Anhar Anhar Anjli Wulandari Antonio Virdis Arief Budi Santiko, Arief Budi Aris Setiawan Artiyah, Iklil Azhary, Muhammad Raihan B. P, Yoga Bagus Edy Sukoco Budi Prasetyo Budi Prawara Candra, Feri Chaeriah Bin Ali Wael Chandra Chandra Cucu Atikah D, Dyan Anggreani D.A, Raja Dahliyusmanto, Dahliyusmanto Daniel Junianto Dara Incam Ramadhan Dara Incam Ramadhan Darbi, Ahmad Devi Willieam Anggara Dewi Nasien Dheo Erfiansyah Dian Rahmanda Dian Yayan Sukma, Dian Yayan Dio Resya Baaqii Edi Susilo Eko Prasetio Elsa Syafitri Erick Justin Sanjaya Erlin Ery Safrianti Fadhli Kabir Fajar Syafrianda Fajrinnida Desfitri Fariz, Ilma Fauziana Feranita Feranita Feri Candra Feri Saputra Fitria, Lisma Franatha, Vickri Wira Fri Murdiya, Fri Gamaliel Saverius Siregar Gilang Bagaskara Gilang Bagaskara, Gilang Halimah, Nikmatul Hamdala Hamdala Hamdani, Eddy Haziq Hazman hazwan hazwan Hendrawan Kurniadin Hidayat, Muhammad Ibnu Hidayat, Sholeh Hidayatul Amin Hikmah Adi Putra Hilmi, Muhammad Fadhlurrahman Huan Hui Yan Huriatul Masdar I. Yasri Ibnu Alfannizar Ibrahim As Ikmal, Muhammad Ilham Dwi Anshori Ilham Ilham Immanuel Waruwu Indah Permata Sari Indah Permata Sari Indra Yasri Irfan Alwandi Pohan Irfan Alwandi Pohan IRSAN TAUFIK ALI Jack Ping Soh Jherino Permana Putra Jherino Permana Putra Jodi Wijaya Johanes Firdaus Junianto, Daniel Junianto, Daniel Ken Paramayudha KHOIRUL ANWAR Kurnia Alfikri Kurnia Alfikri Kurnia Alfikri, Kurnia KURNIATI, MEILITA Lara Putri Utami Linna Oktaviana Sari Lubis, Ahmad Sofyan Luthfi Afif Luthfi Afif Makmul Siddiq Harahap Maulana Hafez Reza Meliza Sukma Riani Middinali, Nadjum Mudinillah, Adam Muhammad Abrar Muhammad Fadhlurrahman Hilmi Muhammad Ibnu Hidayat Muhammad Ikmal Muhammad Ridho Efendi Muhammad Rifqy Asrul Muhammad Rifqy Asrul Muhammad Rizki Radhelan Muhammad Saiful Fadhil Reyhan Mustofa, Ivan Rafli Muttaqin, Abdul Nafisyah Apriani Nasution, Abdul Risyal Nola Gabriella Hutapea Nugraha, Wahid Nova Nulhakim, Lukman Nurhalim Dani Ali Ping Jack Soh Pohan, Irfan Alwandi QODRIYAH, INESTI LAILATUL R.A Rizka Qori Yuliani Putri Radhelan, Muhammad Rizki Rahmat Deni Rahmat Maulana Rahyul Amri Ramadoni Ramadoni Rando Saputra Rangganis Rangganis Razali Ngah Razali Ngah Rendi Efriyendro Rezki Ananda Gusma Rezki Ananda Gusma Rhendy Theopilus Silalahi Rhendy Theopilus Silalahi, Rhendy Theopilus Rifki Rifki Rio Juli Hendra Rio Wira Putra RITONGA, NICOLAS PEDRO Rivaldy Anggara Rizky Nelar Lesmana, Rizky Nelar Romeo Saputra Ros Sariningrum Rosdiansyah, Rosdiansyah Rudi Haryadi, Rudi Saftriansyah MZ Salhazan Salhazan Saputra, M. Feri Sarnia Rizki Oktareza Septian Tri Wahyudi, Septian Tri Septyo Adi Pratama Sholeh, Mohamad Simanihuruk, J. R. M Sofyan Lubis, Ahmad Suganda, Ilham Ferdian Suwitno Suwitno, Suwitno Syafitri, Elsa Syahputra, Muclas Habib Syam, Ahmad Mudhhirulhaq Syam, Ahmad Mudhirullaq Tasya Kirana Taufiq Muammar Taufiq Muammar, Taufiq Teguh Praludi Teguh Praludi Teguh Praludi Teguh Praludi Topik Teguh Estu Tulus Rahayu Wahid Nova Nugraha Waruwu, Immanuel Yan, Huan Hui Yana Taryana Yasri, I. Yaya Sulaeman Yayat Ruhiat Yofan Hakiki Yoga Bayu Pradana Yoshihide Yamada Yudi Yuliyus Maulana, Yudi Yuliyus Yussi Perdana Saputera Yuyu Wahyu Yuyu Wahyu Zikri Pradana Zikri Pradana, Zikri