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All Journal International Journal of Electrical and Computer Engineering TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Sains Materi Indonesia TRANSIENT: Jurnal Ilmiah Teknik Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Jurnal Teknik Elektro Sinergi Jurnal Transformatika Jurnal Teknologi Elektro JURNAL NASIONAL TEKNIK ELEKTRO JTET (Jurnal Teknik Elektro Terapan) Proceeding of the Electrical Engineering Computer Science and Informatics Jurnal Teknologi dan Sistem Komputer TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Buletin Ilmiah Sarjana Teknik Elektro Jurnal Nasional Teknik Elektro dan Teknologi Informasi

Munawar Agus Riyadi

Departemen Teknik Elektro, Universitas Diponegoro Semarang, Jl. Prof. Sudharto, SH, Kampus UNDIP Tembalang, Semarang 50275, Indonesia. *)E-mail: Munawar@elektro.undip.ac.id

Author-ID : 216709

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

Published : 93 Documents Claim Missing Document

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Herb Leaves Recognition using Gray Level Co-occurrence Matrix and Five Distance-based Similarity Measures R. Rizal Isnanto; Munawar Agus Riyadi; Muhammad Fahmi Awaj
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 3: June 2018
Publisher : Institute of Advanced Engineering and Science

Herb medicinal products derived from plants have long been considered as an alternative option for treating various diseases. In this paper, the feature extraction method used is Gray Level Co-occurrence Matrix (GLCM), while for its recognition using the metric calculations of Chebyshev, Cityblock, Minkowski, Canberra, and Euclidean distances. The method of determining the GLCM Analysis based on the texture analysis resulting from the extraction of this feature is Angular Second Moment, Contrast, Inverse Different Moment, Entropy as well as its Correlation. The recognition system used 10 leaf test images with GLCM method and Canberra distance resulted in the highest accuracy of 92.00%. While the use of 20 and 30 test data resulted in a recognition rate of 50.67% and 60.00%.

WhatsApp, Viber and Telegram which is Best for Instant Messaging? Tole Sutikno; Lina Handayani; Deris Stiawan; Munawar Agus Riyadi; Imam Much Ibnu Subroto
International Journal of Electrical and Computer Engineering (IJECE) Vol 6, No 3: June 2016
Publisher : Institute of Advanced Engineering and Science

There are many free instant messengers available now which allow to communicate with friends with text, phone call, video, sharing of files, in group or not and keep contact with them even internationally. But only very few of the instant messengers have gained a popularity and attention. Recent studies have shown that the most popular instant messengers are WhatsApp, Viber and Telegram. Even, Facebook acquired WhatsApp due to have huge users. Viber is another messenger with many integrated features that allows the phone calls and sends the text messages for free and there is no subscription like WhatsApp. While Telegram offers the users an open-source platform with no ads, a clean fast interface, asks for no payments whatsoever and the biggest selling point is security. WhatsApp, Viber and Telegram which instant messenger is best? The popularity of Telegram has reached at the top of Google play store and become the most downloaded messaging app in the world today. But at the moment WhatsApp is still the winner!

Influence of Gate Material and Process on Junctionless FET Subthreshold Performance Munawar A Riyadi; Irawan D Sukawati; Teguh Prakoso; Darjat Darjat
International Journal of Electrical and Computer Engineering (IJECE) Vol 6, No 2: April 2016
Publisher : Institute of Advanced Engineering and Science

The recent progress of dimension scaling of electronic device into nano scale has motivated the invention of alternative materials and structures. One new device that shows great potential to prolong the scaling is junctionless FET (JLFET). In contrast to conventional MOSFETs, JLFET does not require steep junction for source and drain. The device processing directly influence the performance, therefore it is crucial to understand the role of gate processing in JLFET. This paper investigates the influence of gate material and process on subthreshold performance of junctionless FET, by comparing four sets of gate properties and process techniques. The result shows that in terms of subthreshold slope, JLFET approaches near ideal value of 60 mV/decade, which is superior than the SOI FET for similar doping rate. On the other hand, the threshold value shows different tendencies between those types of device.

Conflict-free dynamic route multi-AGV using dijkstra floyd-warshall hybrid algorithm with time windows Solichudin Solichudin; Aris Triwiyatno; Munawar A. Riyadi
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 4: August 2020
Publisher : Institute of Advanced Engineering and Science

Autonomous Guided Vehicle is a mobile robot that can move autonomously on a route or lane in an indoor or outdoor environment while performing a series of tasks. Determination of the shortest route on an autonomous guided vehicle is one of the optimization problems in handling conflict-free routes that have an influence on the distribution of goods in the manufacturing industry's warehouse. Pickup and delivery processes in the distribution on AGV goods such as scheduling, shipping, and determining the route of vehicle with short mileage characteristics, is very possible to do simulations with three AGV units. There is a windows time limit on workstations that limits shipping. The problem of determining the route in this study is considered necessary as a multi-vehicle route problem with a time window. This study aims to describe the combination of algorithms written based on dynamic programming to overcome the problem of conflict-free AGV routes using time windows. The combined approach of the Dijkstra and Floyd-Warshall algorithm results in the optimization of the closest distance in overcoming conflict-free routes.

INVESTIGATION OF SHORT CHANNEL EFFECT ON VERTICAL STRUCTURES IN NANOSCALE MOSFET Munawar A. Riyadi; Ismail Saad; Razali Ismail
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 7, No 3: December 2009
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v7i3.591

The recent development of MOSFET demands innovative approach to maintain the scaling into nanoscale dimension. This paper focuses on the physical nature of vertical MOSFET in nanoscale regime. Vertical structure is one of the promising devices in further scaling, with relaxed-lithography feature in the manufacture. The comparison of vertical and lateral MOSFET performance for nanoscale channel length (Lch) is demonstrated with the help of numerical tools. The evaluation of short channel effect (SCE) parameters, i.e. threshold voltage roll-off, subthreshold swing (SS), drain induced barrier lowering (DIBL) and leakage current shows the considerable advantages as well as its thread-off in implementing the structure, in particular for nanoscale regime.

Street Mark Detection Using Raspberry PI for Self-Driving System Sumardi Sumardi; Muhammad Taufiqurrahman; Munawar A Riyadi
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 2: April 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i2.4509

Self driving is an autonomous vehicle that can follow the road with less human intervention. The development of self driving utilizes various methods such as radar, lidar, GPS, camera, or combination of them. In this research, street mark detection system was designed using webcam and raspberry-pi mini computer for processing the image. The image was processed by HSV color filtering method. The processing rate of this algorithm was 137.98 ms correspondinig to 7.2 FPS. The self-driving prototype was found to be working optimally for “hue” threshold of 0-179, “saturation” threshold of 0-30, and “value” threshold of 200-255. Street mark detection has been obtained from the coordinates of street mark object which had range 4-167 on x axis and 4-139 on y axis. As a result, we have successfully built the street mark detection by COG method more effectively and smoothly in detection in comparison with Hough transform method.

KARAKTERISTIK FILM POLISULFON SEBAGAI BAHAN DIELEKTRIK SENSOR KELEMBABAN JENIS KAPASITIF Adi Cifriadi; Barnas Holil; Munawar A. Riyadi
Jurnal Sains Materi Indonesia Vol 6, No 3: JUNI 2005
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

KARAKTERISTIK FILM POLISULFON SEBAGAI BAHAN DIELEKTRIK SENSOR KELEMBABAN JENIS KAPASITIF. Bahan pengindera kelembaban menggunakan film tipis polimer dapat dikarakterisasi berdasarkan parameter perubahan sifat kelistrikan bahan polimer akibat molekul air yang teradsorpsi pada permukaan film polimer tersebut. Pada penelitian ini dikaji kinerja film polisulfon sebagai bahan dielektrik sensor kelembaban jenis kapasitif melalui karakteristik sensor yang dihasilkan yakni : kelinieran, waktu respon, sensitivitas dan histeresis. Hasil penelitian menunjukkan bahwa film polisulfon sebagai bahan dielektrik sensor kelembaban jenis kapasitif memiliki peluang untuk dimanfaatkan sebagai bahan pengindera kelembaban relatif ruangan. Karakteristik film polisulfon sebagai bahan dielektrik sensor kelembaban jenis kapasitif ukuran kecil (A = 9,68 mm2) lebih baik dibandingkan ukuran sedang (A = 19,51 mm2) karena menghasilkan kelinieran yang lebih baik serta histeresis lebih rendah.

PERANCANGAN SISTEM PENGENDALIAN SUHU PADA PLANT DRY HEAT STERILIZER MENGGUNAKAN METODE PID Munawar A Riyadi; Budi Setiyono
Jurnal Teknologi Elektro Vol 9, No 3 (2018)
Publisher : Electrical Engineering, Universitas Mercu Buana

Sterilisasi merupakan tahapan penting untuk menghilangkan mikroorganisme yang dapat mengkontaminasi peralatan maupun bahan tertentu. Salah satu teknik sterilisasi yaitu dry heat sterilization yang membutuhkan suhu tinggi dan waktu pemaparan lama. Dry heat sterilization seharusnya dikendalikan dengan pemantauan untuk memastikan kestabilan suhu dan waktu minimal sterilisasi terpenuhi. Pada penelitian ini, dirancang sistem pengendalian suhu pada Plant Dry Heat Sterilizer dengan kendali Proportional, Integral, dan Derivative (PID). Dari hasil perancangan dengan melalui bump test (ΔCO=10%) pada proses First Order Plus Dead Time (FOPDT) didapatkan parameter PID (Kp=11,23, Ti=120, dan Td=30). Dari hasil pengujian sesuai referensi (170℃), diketahui parameter PID menghasilkan waktu naik (Tr=1004 detik) serta waktu penetapan (Ts=1354 detik) pada plant (Tanpa Beban) dan waktu naik (Tr=1193 detik) serta waktu keadaan tunak (Ts=1580 detik) pada plant (Dengan Beban) dengan presentasi steady error keduanya dibawah 2%. Uji gangguan waktu sesaat (300 detik) baik untuk tanpa beban maupun dengan beban didapatkan waktu keadaan tunak (Ts) selama 617 detik dan 800 detik dengan nilai akhir steady error dibawah 2%. Dengan demikian, system ini menunjukkan kinerja yang sesuai keperluan untuk sterilisasiKata kunci: dry heat sterilization, pengendalian suhu, kendali PID, beban

Study on the Analytical Model of non-planar MOSFET Munawar A. Riyadi; Darjat .; Teguh Prakoso; Jatmiko E. Suseno
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 1: EECSI 2014
Publisher : IAES Indonesia Section

In the recent development of MOSFET, non-planar structure has been identified as promising structure for next device generation. The advanced scaling of device implies that more sophisticated model is required due to the limitation of the existing models for application in nano scale. Analytical model for non-planar MOSFET model is discussed in this paper, especially for device with pillar. The concern of channel shape and structure is elaborated as well. The result shows the shift in subthreshold characteristic due to the presence of recessed region in the channel with the simulated model.

Design of Automatic Switching Bio-Impedance Analysis (BIA) for Body Fat Measurement Munawar A Riyadi; Achmad Ngaqib Muthouwali; Teguh Prakoso
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 4: EECSI 2017
Publisher : IAES Indonesia Section

Bioelectrical impedance analysis (BIA) is one method of measuring body fat levels by distinguishing the fat mass and non-fat mass based on body composition assessment. This research designs a system to measure the body fat percentage by BIA method. The system is capable of measuring BIA with automatic switching between four different electrode schemes, i.e cross-sectional, hand-to-hand, hand-to-foot, and foot-to-foot. Two electrodes are to conduct current into the body, while other two electrodes are utilized to measure the voltage from the body. The alternating current is injected with frequency of 50 kHz. Automatic switch in the form of multiplexers and demultiplexers controls the sequence of BIA measurement methods. Microcontroller process the data and the result is displayed on LCD. A keypad is used to input related body parameters, i.e height, weight, age, and gender. The measurement tests shows that the BIA works as intended, while the comparison with commercial BIA reveals maximum relative error of 4.6 % and the highest standard deviation of 2.2%.

Co-Authors A Nugraha A. Brian Ikhsana P.A.W, A. Brian Ikhsana Achmad Adi Sulistiono, Achmad Adi Achmad Hidayatno Achmad Ngaqib Muthouwali Achmad Ulul Azmy Adam Kusuma Wardana Adha, Shafa Aulia Adhi Nugraha Adi Cifriadi Aditya Aditya Aditya Pratama Affandi, Muhammad Afif Afin M Nurtsani Afiq Hamzah Ajib Abdurrachman Ajub Ajulian Zahra Macrina Al Fadli, Muhammad Hanifudin Alfianto, Indra Alfin Imadul Haq Alfin Imadul Haq Aminuddin Rizal, Aminuddin Andreansyah, Muhammad Iqbal Aprivirly, Lintang Nurlitha Arfan, M Arif Rahman Hakim Aris Triwiyatno Barnas Holil Baron Murianda Bawono, Ajie Nugroho Benny Raharjo, Benny Budi Setiyono Budi Setiyono D Septaditya Danang Septaditya Hidayat Syah, Danang Septaditya Danniswara, Satya Darjat Darjat Deris Stiawan Destyawan Saputra, Destyawan Dwi Prasetyo Wirawan, Dwi Prasetyo Ezaila Alias, Nurul Fathin Naufal, Haidar Ali Firman Eka Saputra, Firman Eka Fitriansyah, Rizko Prasada Frangky Chandra, Frangky Franky Surya Parulian Fuad Hasan Hamzah, Afiq Hanif, Muhammad Harisuddin Hermawan Hermawan I Gusti Bagus Wiksuana Ilham Akbar Sukmawan, Ilham Akbar Imam Much Ibnu Subroto Indra P. S. Damanik, Indra P. S. Irawan D Sukawati Irawan Dharma S., Irawan Dharma Irawan Dharma Sukawati, Irawan Dharma Irvan Aditya Iskandar, Irvan Aditya Ismail Saad Ivransa Zuhdi Pane Iwan Setiawan Iwan Setiawan Jatmiko E. Suseno Johanes Nugroho Adhi Prakosa Jumiasih, Jumiasih Karnoto . Lina Handayani Loong Peng Tan, Michael M B Santoso M. Pramuaji Tri Saputro, M. Pramuaji Maman Somantri Michael Loong Peng Tan Mizanul Haq, Mizanul Mochammad Facta Muflih, Muhamad Muhamad Muflih Muhammad Fahmi Awaj Muhammad Faizal Afriansyah Muhammad Faizal Afriansyah, Muhammad Faizal Muhammad Taufiqurrahman Muhammad Taufiqurrahman, Muhammad Mustikoaji, Yosia Gita Muthouwali, Achmad Ngaqib Nasrullah, Muhammad Azka Nasution, Ali Napiah natanael pandapotan, natanael Ngah, Razali Nurul Ezaila Alias Oktavianto, Tedi Pamungkas, Okthavianus Bayu Pane, Ivranza Zuhdi Parulian, Franky Surya Perkasa, Dedy Bagus Pradana, Muhammad Ivan Pratama, Ismail Rifqi Primanggani, Stevanus Putra, Florian Destito R Rizal Isnanto R. Rizal Isnanto Rahmat Rizeki, Rahmat Ramadhan, Ihsan Razali Ismail Razali Ngah Reza Heryanto S, Reza Heryanto Rio Lenardo Karo Karo, Rio Lenardo Rizka Hendrawan, Rizka Sabila, Liya Yusrina Santoso, Imam Sapto Budi Priyatno Satria, Brama Yoga Sidiq Hidayatulah, Sidiq Solichudin Solichudin Sudewanto, Suhardhika Sih Sudjadi Sudjadi Suhardhika Sih Sudewanto Sukiswo Sukiswo Sulila, Muhammad Surya Sumardi . Sumardi . Sumardi . Syuja Rizqullah T Prakoso Tatas Ardhy Prihanto, Tatas Ardhy Tawa'qi, Muhammad Sehatian Teguh Prakoso Teguh Prakoso Tejo Sukmadi Tole Sutikno Trias Andromeda Ullah Sheikh, Usman Umair Al-Anshory Usman Ullah Sheikh Wardhana, Ariya Dwi Wardhana, Irfan Agung Widaningrum, Lidya Widyati, Dian Ami Winasis, Ganjar Yoga Krismawardana Yuli Christiyono Yuli Christyono Yusuf H. Hendrayana, Yusuf H. Zebua, Christian Charisma Zeta Hanif Salindri, Zeta Hanif Zulhar, Fachrian

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