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Journal : TELKOMNIKA (Telecommunication Computing Electronics and Control)

2D mapping using omni-directional mobile robot equipped with LiDAR Muhammad Rivai; Dony Hutabarat; Zishwa Muhammad Jauhar Nafis
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 18, No 3: June 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v18i3.14872

Abstract

A room map in a robot environment is needed because it can facilitate localization, automatic navigation, and also object searching. In addition, when a room is difficult to reach, maps can provide information that is helpful to humans. In this study, an omni-directional mobile robot equipped with a LiDAR sensor has been developed for 2D mapping a room. The YDLiDAR X4 sensor is used as an indoor scanner. Raspberry Pi 3 B single board computer (SBC) is used to access LiDAR data and then send it to a computer wirelessly for processing into a map. This computer and SBC are integrated in robot operating system (ROS). The movement of the robot can use manual control or automatic navigation to explore the room. The Hector SLAM algorithm determines the position of the robot based on scan matching of the LiDAR data. The LiDAR data will be used to determine the obstacles encountered by the robot. These obstacles will be represented in occupancy grid mapping. The experimental results show that the robot is able to follow the wall using PID control. The robot can move automatically to construct maps of the actual room with an error rate of 4.59%.
Asthma Identification Using Gas Sensors and Support Vector Machine Hari Agus Sujono; Muhammad Rivai; Muhammad Amin
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 4: August 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i4.8281

Abstract

The exhaled breath analysis is a procedure of measuring several types of gases that aim to identify various diseases in the human body. The purpose of this study is to analyze the gases contained in the exhaled breath in order to recognize healthy and asthma subjects with varying severity. An electronic nose consisting of seven gas sensors equipped with the Support Vector Machine classification method is used to analyze the gases to determine the patient's condition. Non-linear binary classification is used to identify healthy and asthma subjects, whereas the multiclass classification is applied to recognize the subjects of asthma with different severity. The result of this study showed that the system provided a low accuracy to distinguish the subjects of asthma with varying severity. This system can only differentiate between partially controlled and uncontrolled asthma subjects with good accuracy. However, this system can provide high sensitivity, specificity, and accuracy to distinguish between healthy and asthma subjects. The use of five gas sensors in the electronic nose system has the best accuracy in the classification results of 89.5%. The gases of carbon monoxide, nitric oxide, volatile organic compounds, hydrogen, and carbon dioxide contained in the exhaled breath are the dominant indications as biomarkers of asthma.The performance of electronic nose was highly dependent on the ability of sensor array to analyze gas type in the sample. Therefore, in further study we will employ the sensors having higher sensitivity to detect lower concentration of the marker gases.
PENGARUH PRINCIPLE COMPONENT ANALYSIS TERHADAP TINGKAT IDENTIFIKASI NEURAL NETWORK PADA SISTEM SENSOR GAS Muhammad Rivai
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 5, No 3: December 2007
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v5i3.1360

Abstract

In recently, it has been developed a gas identification system consists of a semiconductor sensor array and Neural Network pattern recognition. In this study, it has been implemented a method of Principle Component Analysis (PCA) as a preprocessing of the Neural Network algorithm. The sensory array is composed of eight commercial semiconductor sensors. Three layer-Neural Network was trained with the back propagation technique within 5000 epochs. PCA could reduce the eight-dimension into three-dimension without any information losses.  The identification error rate was lower with the ratio of ~10-4 and the training period was shorter with the ratio of ~0.6. In generally, it can be concluded that the implementation of the PCA method into the Neural Network can enhance the performances of the neural include the identification rate and time consumed in the training phase.
Characterization of Polymeric Chemiresistors for Gas Sensor Budi Gunawan; Muhammad Rivai; Hendro Juwono
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 10, No 2: June 2012
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v10i2.795

Abstract

Polymer is a non conductive materialthat can be conductive with carbon black filler to form polymer-carbon composite. polymer-carbon composite’s resistance changes with gas. The conductivity of polymer-carbon composite is influenced by several factors,i.e. type of gas, volume of gas, temperature and humidity.. This research characterizes the polymer-carbon composite sensor from 6 types of polymers: PEG6000, PEG20M, PEG200, PEG1540, Silicon and Squelene. The sensors are treated with Aceton, Aceton Nitril, Benzene, Etanol, Methanol, Ethyl Aceton, Chloroform, n-Hexan and Toluene. This characterization are grouped into 4 cluster according to their selectivity, sensitivity, influence of temperature and humidity. sensors are put in an isolated chamber which is connected to data acquisition with the  variations of temperature, humidity, type and volume of gas. Correspondence analysis and regression are used to process the data. Test results found that each sensor showed different sensitivity and selectivity towards particular type of gas. Resistance of sensors increases with rising temperature and humidity environment with  order 2 and order 3 polynomial equation 
Electronic Nose using Gas Chromatography Column and Quartz Crystal Microbalance Muhammad Rivai; Djoko Purwanto; Hendro Juwono; Hari Agus Sujono
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 9, No 2: August 2011
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v9i2.703

Abstract

The conventional electronic nose usually consists of an array of dissimilar chemical sensors such as quartz crystal microbalance (QCM) combined with pattern recognition algorithm such as Neural network. Because of parallel processing, the system needs a huge number of sensors and circuits which may emerge complexity and inter-channel crosstalk problems. In this research, a new type of odor identification which combines between gas chromatography (GC) and electronic nose methods has been developed. The system consists of a GC column and a 10-MHz quartz crystal microbalance sensor producing a unique pattern for an odor in time domain. This method offers advantages of substantially reduced size, interferences and power consumption in comparison to existing odor identification system. Several odors of organic compounds were introduced to evaluate the selectivity of the system. Principle component analysis method was used to visualize the classification of each odor in two-dimensional space. This system could resolve common organic solvents, including molecules of different classes (aromatic from alcohols) as well as those within a particular class (methanol from ethanol) and also fuels (premium from pertamax). The neural network can be taught to recognize the odors tested in the experiment with identification rate of 85 %. It is therefore the system may take the place of human nose, especially for poisonous odor evaluations. 
Novel pH sensor based on fiber optic coated bromophenol blue and cresol red Fredy Kurniawan; Baginda Zulkarnain; Mohammad Teguh Hermanto; Hendro Juwono; Muhammad Rivai
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 2: April 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i2.9993

Abstract

Fabrication of pH sensor based on fiber optic coated bromophenol blue and cresol red has been done. Briefly, jacket in the middle part of the fiber optic was removed for 5 cm. Then the core of each of fiber optics was washed in ethanol. Nitric acid, demineralized water, and ethanol again consecutively. Then the cleaned core was coated using active material using sol-gel immobilization technique. Tetraehyl orthosilicate was used as a binder in the immobilization of active materials. Bromophenol blue will start change the color to yellow at below pH 3.00±0.01 and blue at above pH 4.60±0.01, while the cresol red will start change the color to yellow at below pH 7.20±0.01 and violet at above pH 8.80±0.01. The pH sensors which have been made show the sigmoidal response over pH from 1.00±0.01 to 11.00±0.01. The sensor has a better performance in comparation with the other sensor.
Quartz crystal microbalance based electronic nose system implemented on Field Programmable Gate Array Misbah Misbah; Muhammad Rivai; Fredy Kurniawan
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 1: February 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i1.10133

Abstract

Nowadays, an electronic nose becomes an important tool for detecting gas. The electronic nose consists of gas sensor array combined with neural networks to recognize patterns of the sensor array. Currently, the implementation of the neural network on the electronic nose systems still use personal computer so that less flexible or not portable. This paper discusses the electronic nose system implemented in a Field Programmable Gate Array (FPGA). The sensor array consists of eight Quartz Crystal Microbalance (QCM) coated with chemical materials. The eight channel-frequency counter is used to measure the frequency change of the sensor due to the presence of gas adsorbed to the surfaces. The bipolar sigmoid activation function used in the neuron model is approximated by a second order equation. The experimental result showed that the electronic nose system could recognize all the types of gas with 92% success rate.
Co-Authors ', RM Riadi ', Supriono -, Hartana ., Suwito A Thalib A.A. Ketut Agung Cahyawan W A.B. Prabowo K. A. Aam Abdussalam, Aam Aaron T Sihombing, Aaron T Aaron Tigor Sihombing Abd. Rasyid Syamsuri Abdul Azis Abdul Gofur Abdul Hapid Abdul Latief Abdul Muqsith Abi Nawang Gustica Abu Hatim Kurniawan Ach. Khumaidi Achmad Setiawan Adidtya Perdana, Adidtya Aditiawarman Aditiawarman, Aditiawarman Adlina, Min Aelani, Khoirida Afif Aulia Rahmnan Agastani, Tahar Agung Andri Kurniawan Agung Mustika Rizki, Agung Mustika Agus Mirwan Agusli, Rachmat Agusman Sahari Agustang, Andi Agustin Agustin Agustina Intan Niken Tari, Agustina Intan Agustina Tri Endharti Ahiri, Jafar Ahmad Mustafa Ahmad Reza Hakimi Ahmad Shafwan S. Pulungan, Ahmad Shafwan S. Akhmad Haries Akmal Akmal Aksono HP., Eduardus Bimo Al Habsyi Yesa Albion Chastity Alfathir, Mhd Ibra Alhafi, Azwar Najib Amalia, Dita Rizki Amaliah, Fitri Rezki Amana, Meuthia Rizka Amanda, Mita Dwi Ambar Dwi Retnoningrum Amelia Farina, Amelia Aminah, R. Iin Siti Aminarti, Putri Andina Aminuddin Parakkasi Aminulla, Muhammad Aminuyati Amir, Muhammad amir, rahmi Amiruddin Kade Amlius Thalib Amri Amir Amries Rusli Tanjung Amrina Rosyada Anak Agung Istri Sri Wiadnyani Ananta, Donny Andayani, Nurya Andhoko Gandung Hawali Triasto Andi Hendra Andi Prasetyo Andi Susanto Andi, M. Andra, Yustina Andrew Febrian Miyata Andri Suryabrata, Andri Andrianto Andrianto Andrie Wijaya Andriyani Andriyani Anglita Yantisetiasti Anifatul Faricha Annas Jaya Amrullah, Annas Jaya Anton Setiawan Honggowibowo Anugrah, Muhammad Zilmi Anwiyah, Rifatul Aprilianti Aprilianti Arasyid, Hari Ardi Meilianto Ardi, Unggul Suryo Ardian Wardhana ARDIANSYAH ARDIANSYAH Ari Hidayanto Arief Budiman Ariestya Putra Susanto Aris Fauzan, Aris Arista Ainurrohmah Arlan, Nurul Akbar Armanu Thoyib Armiana M Arnentis Arnentis, Arnentis Arsyad, Muh. Arthasari, Tyas Aryati Aryati Arza, Medi Yulison Asep Eka Nugraha Ashadi Asriyanti Syarif, Asriyanti Astati, Astati Asti Herliana, Asti Astria Nur Irfansyah Aswin, Fajar Atmaja, Nanda Satria Aulia Maulana Azkiya, Aulia Maulana Awan Nurtjahyo Azhar Dwi Rizqi Aljabar B, Basir B.D, Abdullah Igo Baginda Zulkarnain Bagus Aji Supeno Bagus Aris Saputra Bagus Caesar Muharam Bahruddin Bahruddin Bakhrul Khair Amal, Bakhrul Khair Bakri Mallo Bakri Yusuf, Bakri Bambang S Noegroho Bambang Setyono, Bambang Bani, Yoel Gracio Batubara, Putri Maisyarah Bayu Kanigoro Benny Yanuarsih, Benny Betthy S Hernowo, Betthy S Betty Holiwarni Bhisma Murti Blasing, Andreas Korsini Bobby Ekasaputra Br. Silalahi, Dita Regina Brilianda Adi Wicaksono Budi Gunawan Budiadnyana, Gusti Nyoman Budiani, Evi Sri Budiman, Fajar Cahyadi Nugroho CANDRA GUNAWAN Candra Yudianto Catur Budi Handayani Cepi Riyana, Cepi Chairul Chairul Chairul Saleh Christrijogo Soemartono Waloejo Cici Indriani Dalimunthe Corry Corazon Marzuki Daffa, Muhammad Damopolii, Insar Dandi Zulfikar Azis DARMAWAN, SYAMSUL Darmizah, Fitri ‘Alaina Darsikin Darsikin Darsimon, Darsimon Darwinsyah Lubis Dasa Ismaimuza David David Dedi Hadian Dedy Permana Defri Yoza Delpiah Wahyuningsih Desak Made Oka Purnawati Desty Widyani, Desty Devy Tristiana, Devy Dewi Anggraini Dewi Ratna Nurhayati Dewi, Eri Puspita Dharsana, I Ketut Dhita Ardian Mareta Diah Ari, Diah Dian Novita Diana Rofiqoh Diana Widiastuti Dianastiti, Firstya Evi Dianto, Rian Didik Indratno Dika P. Destiani Dimas Herjuno Dini Fakta Sari, Dini Fakta Dinna Rakhmina Dion Hayu Fandiantoro Dishadewi, Praslita Djoko Purwanto Djunur, Lutfi Hair Dodik Briawan Dona Budi Kharisma, Dona Budi Doni Rahmat Wicakso Dony Hutabarat Drajat Martianto DWI ANDREAS SANTOSA Dwi Indah Iswanti Dwi Indah Purnamawati, Dwi Indah Dwi Sadono Dwita Mido Gumelar E Gurnadi E Handayani Eddy Noviana Edi Pramono Edy Kurnianto Efruan, Jerry Eduard Eka Agustina Widyowati, Eka Agustina Eko Priyo Purnomo Eko Rudiansyah Eko Sulistijono Eko Susilo Elizabeth Wina Elya Febrita Ena Noveria Endy Paryanto Prawirohartono, Endy Paryanto Eny Enawaty Erlina, Rina Erlyna Wida Riptanti Ermawati Arief Erniwati Erniwati Eva Darnila Evalina Fajriani Evi Dwi Hastri Evi Fatimatur Rusydiyah Evi Suryawati Evi Susanti Fachry Abda El Rahman Fadhillah Azmi, Fadhillah Fadli, Muhammmad Ridho Fadlila Rizki Saputra Fadlisyah Fadlisyah Fahim Muchammad Taqi Fahrezi Alwi Muhammad Fahrudin Hanafi, Fahrudin Faraha Pambayun Julismana Fardian Abdi Putra Farhanuddin Farikha Wahyu Lestari, Farikha Wahyu Farismana, Riyan FATIMAH FATIMAH Fatmawati Fatmawati Fauzan, Rusydi Fauzi Muhammad Ikhsan Fauzia, Wilda Fauziah, Yulianti Ferdyan Dannes Krisandika Feriadi, Indra Ferry Adhi Dharma Ferry Safriadi Fhitri, Widya Fildza Rossianti, Fildza Firasanti, Annisa Firman Firman Firmana, C. N. Firmansyah, Guntur Fitri Aryani Fitri, Tri Rahmadhani Fitriah M Suud Fitriani Lubis FITRIANI SARI HANDAYANI RAZAK, FITRIANI SARI HANDAYANI Fitriani, Ardhita Listya Fitriyanti, Desi Fredy Kurniawan Frendi Maulana Gaffar, Farida Garudio Kusuma Aji Geminastiti Sakkir Ginanjar, Pramudyo Giovanni, Halena guntoro, adi Gusti Ayu Putu Arya Wulandari H, Firman Hafid Syahputra Haida, Rizki Noor Haida, Rizki Noor Hakeem, Awanda Rais Halawati, Firda Hamdhana, Defry Hani Avrilyantama Hapsari, Ratri Tri Hapsari, Shindi Harahap, Faisal Sadat Hardinsyah Hari Agus Sujono Hari Purnama, Hari Harianja, Sovian Harianto Harianto Haris, Oheo K. Harris Pirngadi Harza Dena, Vhellani Hasan Basri Hawalid, Heniyati Helmi Helmi Helmy Fitriawan Helmy Widyantara Helmyati, Siti Hendra Irawan Hendra Kusuma Hendra Kusuma Hendra Sukmana Hendro Juwono Hendro Juwono Hendro Juwono Hente, Asri Herdini , Herdini Heriyadi, Nur Widi Astanto Agus Tri Herman Callo Hermanto, Yudi Hermanu Joebagio Hidayah, Muhammad Husain, Aghnaita Husna Amalya Melati Husna, Radhiatul I Gede Putu Adhitya Prayoga, I Gede Putu Adhitya I Gusti Ayu Sri Melati, I Gusti Ayu I Gusti Bagus Wiksuana I Ketut Gading I Komang Setia Buana, I Komang I Made Dharma Atmaja I Made Pageh I Made Sudana I Nengah Kundera I NYOMAN GEDE ASTAWA I NYOMAN RAI I Wayan Sudarsana I wayan Teguh Wibawan I-M Artika I. Badarina Ibnu Sani Wijaya Ibrahim, Faisal Mahmoud Adam Ika Arum Puspita Ika Nugraheni Ari Martiwi, Ika Nugraheni Ari Ilham Ary Wahyudie Ilham Ilham Imam Mahadi Imam Sasongko Jati Iman Muhammad Iman Sabarisman Imelia Rizki Lestari, Imelia Rizki Indah Yuni Astuti, Indah Inggita Kusumastuty Insun Sangadji Irawan, Rahayu Clara Irdoni HS Irdoni S Irfan Fachrudin Priyanta Irmasari Irmasari Irmawati Irmawati Irwan Candra Dwinata Irwan Juniar Sasongko Isdianto Septiadi, Isdianto Iskandar Iskandar Iskumaladewi, Yunilasari Anissa Ismadi Ismadi Isnaeni Isnaeni Israini Suriati Isrial, Isrial Iswandi Anas Chaniago, Iswandi Anas Iwan Putra, Nadi jaen, Hizamrul Jahring jamaluddin hos Jasriani, Jasriani Jaya, Adi Aprian Jeff L Gaol Jeffrey Gunawan JEMMY RINALDI Jeni Amriansyah Joko Sulianto . . Juardi Juhadi Juhadi Juhaepa, Juhaepa Juliana Juliana Juliandhy, Tedy Juliati, Juliati Junaidi Junaidi Junianti Junianti, Junianti Jusman, Astari K, Meilina H K. Kususiyah Kadar Ramadhan Kadek Cahya Susila Wibawa Kamaruddin Kamaruddin Kamilia Mustikasari Karto Iskandar Kasim, Syaifuddin Suhri Kenfitria Diah W Khairunnisa Nurhandayani Khairunnisa Syamsi Khasanah, Niswatul Komang G. Wiryawan Krinta Alisa, Krinta Kristanto, Daniel Kumalasari, Tri Ayuni Kuncoro Adi Kunto Purbono Kurniawan, Arief Kurniawati, Nur Puti Kurniawaty Fitri Kusrin, Kusrin Kusuma, A. A. N. Ananda Kuswandi . La Rudi Lahagu, Sirano Larasati Wibawani, Larasati Larasati Z.R., Dewi Legowati, Endang Lestari, Laili Lestari, Laili Tri LETASADO, MUHAMAD RUSADI Linggar Ajeng Ywana Merbawani Lintang, Elba Lisda Widianti Longgupa Listyowati Puji Rahayu Lubis, Fardiah Oktariani Luh Putu Ratna Sundari Luluk Fajria Maulida Luthfan Aufar Akbar Luthfi Drajanta M Bata M. Fahli Zatrahadi M. Iqbal Arsyad M. Refdinal M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Mahdiyah, Evfi Mahendra, Rezha Mahlil Mahmudah, Ulya Makhrajani Majid Managam Rajagukguk Manan, Heriyadi Mandaty, Fhandy Aldy Manurung, Edison Hatoguan MARDHIATI, RETNO Marhadi, Muh. Ali MARIA BINTANG Marischa Elveny, Marischa Marnis Marnis Marrylinteri Istoningtias Martalena Br Purba, Martalena Br Martono, Boedi Masfria Masriana Mauridhi Hery Purnomo Mauridhy Hery Purnomo Mayasari Mayasari, Mayasari Mayerd, Immanuel Mei Fita Asri Untari Melati Suci Mayasari, Melati Suci Mira Dharma Susilawaty Mira Ziveria, Mira Mirza Hadistiya Misbah Misbah Moch. Arifin Mochamad Hariadi Mochammad Imron Awalludin Moh Siri, Moh Moh Toriqul Chaer Mohamad Asfari Mohammad Teguh Hermanto Mokhamad Halim Fathoni Mokhamad Halim Fathoni MS Prof. Dr. I Wayan Rai . Mubaroq, Sony Mubin, Mohammad Nasrul Muchlis Djirimu Mudatsir Mudatsir Mudinillah, Adam Muhamad Amirul Haq Muhamad Hasri Pramadana Muhamad Komarudin Muhammad Abror Muhammad Akbar Nugroho Muhammad Amin Muhammad Amin Bakri Muhammad Budi Nur Rahman, Muhammad Budi Muhammad Dzulkifli Syamsiar Muhammad Erpandi Dalimunthe Muhammad Faris Agustiansyah Faris Muhammad Fikri Muhammad Ichsan Muhammad Iqbal muhammad purqan nur Muhammad Sajidin Muhammad Syaif Ramadhan Muhammad Syukur Muhammad Usman, Muhammad Muhammad Yani, Muhammad Muharam, Fauzan Muhammad Muhilal ., Muhilal Muhlis, Mudini Muhtadin Muhtadin Mujahidin1, Muhamad Mujiono, Totok Mukh Arifin Mukhlas Arihutomo Muliati Usman Munifah Munifah, Munifah Murni Dwi Astuti Murni Eva Rumapea Mursyid, Baso Amri Mustakim, Zainal MUSTAMIN IDRIS Mustaqim Mustaqim, Mustaqim Mutia, Cut Nana Nababan, Samuel Nadhif, Irfan Nadya, Yusri Nafiah, Aniqotun Nailul Izzah Nanang Warihandoko Nasution, Ali Napiah Natalia, Krisma Nauli, Nugraha Akbar Deton Nayottama, Hafid Mahdi Nelly Indriani Widiastuti Netti Herawati Ni Komang Hita Wulandari Nilahayati Ningdayati, Rina Nisa, Sabila Fatun Nita Wijayanti, Ni Putu Nofrohu Retongga Noor Isnaini Azkiya, Noor Isnaini Noor Miyono Noor Wijayahadi Norhafizah Mulia Sari Normansyah Nugra Arsyistawa Nugraha Edhi Suyatma Nugroho, Doni Feby Nuha, Mohammad Ulin Nuniek Nizma Fajriyah, Nuniek Nizma Nuniek Nizmah Fajriyah Nunung Nurwati Nur Ahmad Syahid Nur Ain Nur Amaliawati, Nur Nur Azizah Nur Hazizah Nur Hidayat Nur Insana Salam Nur Wahyunianti Dahri Nur, Muhammad Purqan Nur, Wahyudin Nurbani Nurbani, Nurbani Nurcahyani, ida Nurdin Nurdin Nurfatimah Nurfatimah Nurhadi Nurlailah Nurlina Nurlina Nursyeha, Muhammad Agung Nurul Fadilah Nurul Octavia I. NYAK ILHAM Nyoman Angga Bira Hadinaya, Nyoman Angga O. Mega Oktaviani, Ria Oktriadi, Yudi Olly Bangon Baskhoro Onny Setiani PA, Retno Widowati Pamilutsih, Kiki Pamungkas, Muhamad Imam Pirngadi, Harris Pirngadii, Harris Pramadhana, Dian Pramutoko, Baju Prawiro, Sumarno Reto Prawoto, Ridlo Alifsandi Prayudias Margawati Prima Kurniawan Primasetra, Anjar Priyono Priyono PUGUH KARYANTO Purba, Betman Dasuha Purba, Fauyiani Daihanty Purnaadi, Christian Wisnu Purnamaningsih, Ida Ayu Made PURWANTI PURWANTI Puspitasari, Yessy Putra Trimardian Asri Putranto, A. M. H. Putri, Bella Listriani Putri, Dessayani Putri, Dwi Elanda Putu Ledyari Noviyanti Putut Dwi Wijaya Qurrotul Aini R Priyanto R. Akhmad Munjin R. Usman Rery Radi Radi Rafiatul, Resky Rahima, Siti Rahmad Syah, Rahmad Rahmadewi, Dinda Putri Rahman, Afif Aulia Rahmatina B Herman Rahmi Rahmi Rangga Sanjaya, Rangga Rantan Krisnan Rasmiwetti Rasmiwetti, Rasmiwetti Ratna Kumala Sari, Ratna Kumala Ratna Supiyah, Ratna Ratnawati Purwitaningtyas, Ratnawati Rega Kusuma Putra, Rega Kusuma Renanto Handogo Rendy Setiawan Retno Susanti Retno Wulandari Revando, Dheo Reynaldi Gilang Mulyawan Reza Barkah Harjunadi Rian Kurniawan, Rian Kurniawan Rianti, - Ricky Adriansjah Ridwan Effendi Ridwan, Harnina Rindang Dwiyani Rini Fitri Rini Selviana, Rini Rino Andias Anugraha Riska Sarofah, Riska Risqi Dewi Aisyah Riyo Mulyadi Rizka Ariani Rizky Abdulah Rodika Rohastono Ajie, Rohastono Rony, Zahara Tussoleha Rosalia Hadi Rosnita Rosnita Rosramadhana Rosramadhana Rovi, Fineza Roza Linda Rozzi Kesuma Dinata Rudy Dikairono Rusli Malli, Rusli Rustan Efendi Rusyja Rustam S Sakir S Siswanto Sa'adah, Nabitatus Sabardi, Wiky Sabila, Puji Chairu Safendra Siregar Safrina, Erly Safruroh Safruroh, Safruroh Sahadi Humaedi Sahri Rahman Saikhul Imam Sakir Sakir, Sakir Salam, Putri Mardiatul Salmiah Salmiah Samingan Samingan Samuel L. H. Siregar Sandi, Patrisius Valdo Sanjaya, Bahari Saptono Putro Saputra, Andhika Bima Saputra, Noris Sari Rahmawati, Sari Sari Wulandari Saripah Ulpah, Saripah Sarita, Muhammad Ihsan Sarmadan Sarmadan, Sarmadan Sarpin Sarpin, Sarpin Sartono Joko Santosa Sasi Gendro Sari Sasmono, R. Tedjo Satriananda, Satriananda Sawkar V Pramod, Sawkar V Sayyidul Aulia Alamsyah Sebastiana Viphindrartin Seger, Rudyanto Wiharjo Selfani, Aprilia Selviani Putri Anggia Sembiring, Apriandi Sepiana Rosita Septiarditian, Septiarditian Septy Handayani Seran, G. Goris Setiawan, Muhammad Azdar Setijadi, Eko Setyawati S Karyono Shafara Najla Marinda Sukmawanta Shafiani, Nur Shafira Mahrani Shobarina Rachim Shofiah, Nuri Sigit Bayhu Iryanthony, Sigit Bayhu Sijabat, Juanda Parasian Simanjuntak, Yohannes M Simarmata, Meri Simbolon, Vera Eva Bonita Sinar Indra Kesuma Sirajuddin Sirajuddin Siswadi Siswadi Sitepu, Karolina Siti Madanijah Siti Nur Aisyah Siti Zahara Siti Zubaidah Sitorus, Berlin P Sitti Wardiningsih Soekarno, Bonny PW Soetomo, Mohammad Amin Sony Bernike Magdalena Sitorus Sovina Rusdan Sri Hartatik Sri Helianty Sri Indarti Sri Kartikowati Sri Puji Lestari Sri Rezeki Muria Sri Sulistyorini, Sri Sri Utami Sri Wahyuni Sri Widaningrum Sugeng Santoso Sugiyo Sugiyo, Sugiyo Suhartini Suhartini Suharty Roslan, Suharty Sukirno Mus Sukma, Franka Hendra Sularno Sularno, Sularno Sulistiawati Mendi Sulistiya Wijayanti, Sulistiya Sulistiyorini, Sri Suma, Fathiyah Sumiati Sumiati Sunardi Sunardi Sunartha, I Gusti Made Sunaryo Sunaryo Sunbanu, Narwastu Elroy Supraptiningsih, Eka Sari Supriyadi, Tedi Suriati, Israini Surono Surono Suryadi M Ali Suryanti Susanti Widhiastuti Susanto Nugroho Susetyowati sutanti sutanti Sutarman Sutarman Suwandi Sugandi Suwito Suwito Suwito Suwito Suwito Suwito Suwito Suwito Suwito Suwito SUWITO SUWITO Suwito Suwito Syafi’i, Wan Syahda Luthfi Syahputri, Nova Kemala Syahrul Khairi Syaiful Anam Syaiful Rachman Syamsiati, Syamsiati Syarif Husin Syarif Suhartadi Syawal Syawal Syech Zainal Syelvia Putri Utami T Haryono T Suhargiyantatmo Tahir, Hasan Tahnun, Ma'zirah TANTOOWIE, TANTO ALJUHARIE Tasripan Tasripan Tati Sumiati Tati Sumiati Tatit Nurseta Taufeni Taufik Tawulo, Megawati A. Tawulo, Megawati Asrul Thalib, Mansyur Tiara, Monica Tini Elyn Herlina Titik Haryati Tjahjodjati Tjipto Leksono Tonahe, Anggi Tondi Febriyana Tontowi Jauhari Tony Subiyanto Tony Yulianto Totok Mujiono, Totok Tresnov Switella, Argona Tri Arief Sardjono Tri Asih Wahyu Hartati Tri Wahyuningsih Trisni Andayani Trisno Wijoyo, Raden Bayu Tunda, Amin Tutik Lestari Tuwu, Darmin U Santoso U. Santoso Ubaidillah, Guruh Septiaji Udin Supriadi Ulfa Kholili Ulfa, Rosy Maria Ulfawati, Deasy Pramudita Ulva, Siti Maria Umi Hidayati Umisara, Elinda Umrotun Umrotun Usman, Yusri Ustadus Solichin, Ustadus Uswah Hasanah Vince Ratnawati wahdah norsiah Wahyu Hidayat Wahyu Purwaningsih Wahyudi Setiawan Wahyudi, Abdi Wambrauw, Hengky L. Wardani, Retno Indriyati Kusuma Wardani, Yoelanda Ananta Dhevi Wardatul Djannah Wayan Eka Paramartha Wayan Firdaus Mahmudy Wening Patmi Rahayu Wibowo, Pradika Wibowo, Sutrisno Widayatsari, Any Widiyanti Widiyanti, Widiyanti Widjajanti, Kristina Widodo, Cahyo Widya Yanuar Samsudin Wijaya, Mas Agus Wijayanti, Kurnia Sari Windi Setiawan, Windi Wintolo, Hero Wirawan, Tjuk Wiwik Handayani Wiyono wiyono Y. Fenita Yakin, Kusnul Yanni, Mefri Yansah, Ardi Yanty Maryanty, Yanty Yanuarti, Elly Yasmeen Nazhifah Yeni Widiawati Yenni Darvina Yogi Saipullah Yohan, Benediktus Yohana Pertiwi Yudi Arimba Wani, Yudi Arimba Yudistira, Bintang Yuli Utanto Yulia, Vera Yulian Wiji Utami Yuline, Yuline Yulkifli Yulkifli Yuniarti, Yuliana Lubis, Yunus Wafom Yusdin Gagaramusu Yusni Maulida Yustika, Dede Teska Yutdam Mudin Yuwan, Ifan Alif Yuyi Andrika, Yuyi Z Hasan Zailun, Zailun Zainuddin Harahap Zainuddin Zainuddin Zetriuslita Zishwa Muhammad Jauhar Nafis Zulfan Syah Putra Zulkarnaini Zulkarnaini _, Kasmawati