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All Journal TEKNIK INFORMATIKA Reaktor Mechatronics, Electrical Power, and Vehicular Technology TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics ITEj (Information Technology Engineering Journals) Kultivasi JOIV : International Journal on Informatics Visualization JRSI (Jurnal Rekayasa Sistem dan Industri) Indonesian Journal of Artificial Intelligence and Data Mining Jurnal Mitra Manajemen Jurnal Kimia Terapan Indonesia Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) JURTEKSI Jurnal Sistem Cerdas Linguistik Indonesia Teknologi Indonesia Journal of Data Science and Its Applications Jurnal Instrumentasi INVEST : Jurnal Inovasi Bisnis dan Akuntansi Charity : Jurnal Pengabdian Masyarakat Jurnal Ilmiah Teknik Elektro eProceedings of Engineering SEMNASTERA (Seminar Nasional Teknologi dan Riset Terapan) Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) Jurnal Polimesin AQILA : Acceleration, Quantum, Information Technology and Algorithm Journal Journal of Production, Enterprise, and Industrial Applications

Fakhrurroja, Hanif

Telkom University

Author-ID : 812417

Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences

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ANALISIS HASIL UJI TERAP ALAT PENGHEMAT BBM ELECTRIC FUEL TREATMENT PADA ENGINE DIESEL GENSET 35 KVA DENGAN BEBAN STATIS Hariyadi, -; Sugiono, -; Fakhrurroja, Hanif; Tanu, Edy
Teknologi Indonesia Vol 34 (2011)
Publisher : LIPI Press

This paper describe fi eld test results analysis for fuel saving tool called Electic Fuel Treatment (EFT) on diesel engine generator set 35 KVA with static load. Field test on diesel engine generator set was performed with a variety of confi gurations EFT in series or parallel to get the best fuel effi ciency. Methods of analysis done bythe operational technical tests by comparing the results of testing before and after installation of EFT. Field test results are a form of EFT confi gurations that is ideal to obtain fuel effi ciency on average of 6.58% at 60% load and exhaust emission reduction levels between 20%24%.

DESAIN ARSITEKTUR KNOWLEDGE MANAGEMENT SYSTEM LAYANAN JASA KALIBRASI DI UPT BPI LIPI DENGAN MENGGUNAKAN SOFT SYSTEM METHODOLOGY Fakhrurroja, Hanif
Teknologi Indonesia Vol 33, No 1 (2010)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jti.v33i1.19

The age range of UPT BPI LIPI employees is relatively unbalanced. 71,42% of the employees have already exceeded 40 years old and 58,73% of them will be retired in 2015. Based on these facts, UPT BPI LIPI needs a Knowledge Management System (KMS) that can store knowledge assets of the employees. Soft Systems Methodology (SSM) is used as a method to identify the knowledge and to develop the best architecture design of KMS for UPT BPI LIPI. There are fi ve stages in the knowledge management cycle for calibration services in UPT BPI LIPI, namely knowledge acquisition, knowledge extraction, knowledge storage, knowledge sharing, and knowledge update. The result of SSM showed that KMS design can be applied to create knowledge, to share knowledge, to record knowledge, to store knowledge, and to reuse knowledge, so it can be optimize the calibration services in UPT BPI LIPI.

Dialogue management using reinforcement learning Binashir Rofi’ah; Hanif Fakhrurroja; Carmadi Machbub
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 19, No 3: June 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v19i3.18319

Dialogue has been widely used for verbal communication between human and robot interaction, such as assistant robot in hospital. However, this robot was usually limited by predetermined dialogue, so it will be difficult to understand new words for new desired goal. In this paper, we discussed conversation in Indonesian on entertainment, motivation, emergency, and helping with knowledge growing method. We provided mp3 audio for music, fairy tale, comedy request, and motivation. The execution time for this request was 3.74 ms on average. In emergency situation, patient able to ask robot to call the nurse. Robot will record complaint of pain and inform nurse. From 7 emergency reports, all complaints were successfully saved on database. In helping conversation, robot will walk to pick up belongings of patient. Once the robot did not understand with patient’s conversation, robot will ask until it understands. From asking conversation, knowledge expands from 2 to 10, with learning execution from 1405 ms to 3490 ms. SARSA was faster towards steady state because of higher cumulative rewards. Q-learning and SARSA were achieved desired object within 200 episodes. It concludes that RL method to overcome robot knowledge limitation in achieving new dialogue goal for patient assistant were achieved.

Perencanaan Strategis Sistem Informasi/Teknologi Informasi Menggunakan Kerangka Kerja Business Canvas Model Dan Metode Ward & Peppard Elsa Melati Nurrachmat; Hanif Fakhrurroja
JRSI (Jurnal Rekayasa Sistem dan Industri) Vol 6 No 02 (2019): Jurnal Rekayasa Sistem & Industri - Desember 2019
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jrsi.v6i02.366

Tingginya persaingan dalam industri air minum dalam kemasan menjadi sebuah tantangan besar bagi perusahaan yang bergerak dalam industri tersebut. Sebagai salah satu perusahaan air minum dalam kemasan yang sedang berkembang, CV.XYZ kini tengah bersiap dalam menghadapi tantangan persaingan yang ada dengan memanfaatkan sistem informasi dan teknologi informasi, namun perusahaan mengalami kesulitan dalam menetapkan sistem dan teknologi informasi yang paling tepat untuk dipergunakan sebagai senjata dalam memenangkan persaingan bisnis, maka dalam penelitian ini dilakukan berbagai tahap analisa dalam menyusun rencana strategis sistem informasi dan teknologi informasi dengan menggunakan metode Ward dan Peppard, disesuaikan dengan model bisnis perusahaan yang tengah berlangsung menggunakan kerangka kerja bussiness canvas model untuk melihat keterkaitan antara keduanya. Hasil dari penelitian ini berupa rekomendasi dalam portofolio aplikasi dan usulan rencana strategis sistem informasi yang nantinya dapat dipergunakan sebagai acuan bagi perusahaan dalam implementasi dan pengembangan sistem informasi dan teknologi informasi yang dapat meningkatkan daya saing perusahaan.

Reduction of Fe Using Advanced Oxidation Processes (AOPs) and Electromagnetic Water Treatment (EWT) Veny Luvita; Novan Agung Mahardiono; Hanif Fakhrurroja; Adi Waskito
Reaktor Volume 21 No.4 December 2021
Publisher : Dept. of Chemical Engineering, Diponegoro University

The processing on water treatment in this research is carried out by using two combination methods of Advanced Oxidation Processes (AOPs) and Electromagnetic Water Treatment (EWT). The application of AOPs method is one of alternative to remove heavy metals while the application of EWT method is to improve water quality and to prevent the using of expensive chemicals or corrosive substances. The using of chemicals can cause new problems that endanger human health or damage the environment. This paper presents the advantage of the combining these methods is the high ability to process contaminated water into clean water. AOPs and EWT system configuration is needed to determine the effectiveness of the processing system, especially in removing heavy metal minerals such as iron (Fe). Based on the efficiency result, the configuration by using AOPs + EWT reduces the iron (Fe) mineral content by 99,33% and increases the pH value by 6.09.Keywords: water; treatment; substances; metal; mineral

Understanding Public Attitude towards Political Candidate through Conversational Network in West Java Regional Election Rimba Pratama Putra; Hanif Fakhrurroja; Andry Alamsyah
Journal of Data Science and Its Applications Vol 2 No 2 (2019): Journal of Data Science and Its Applications
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34818/jdsa.2019.2.21

Social media is a very important part of the political campaign strategy. By using information about various policies as well as public opinion, will provide rich information in political issues during elections. The problem is how political attitudes in social media relate to the results of the election winners. In this paper, we proposed a methodology of social network analysis to measure conversational network activity. As a case study, we select the Pilkada Jawa Barat 2018 for the reason most populous province in Indonesia. We get the conversation in online social network service Twitter and collected 70335 tweets from June 20 to June 26, 2018. Our findings indicate that the network properties of each candidate is in accordance to the real count and the candidate that appear most often are "@ridwankamil", the name of the winner of the regional elections in the Pilkada Jawa Barat 2018. We summarize all the conversations of each candidate and our results show there are high correlations with the results of the election winners. Because the higher the conversations network of each candidate, the greater the possibility of winning the election.

Digitalisasi Pelayanan Posyandu Melalui Sistem Informasi Posyandu Berbasis Website di Posyandu Anyelir RW 09 Kelurahan Burangrang Kecamatan Lengkong Kota Bandung Tatang Mulyana; Nopendri Nopendri; Seno Adi Putra; Tien i Fabrianti Kusumasari; Hanif Fakhrurroja; Setyorini Setyorini; Didit Adytia; Widianto Soekarnen; Derry Destian
Charity : Jurnal Pengabdian Masyarakat Vol 5 No 1 (2022): Charity-Jurnal Pengabdian Masyarakat
Publisher : PPM Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/charity.v5i1.3632

Posyandu adalah wadah pemberdayaan masyarakat yang diprakarsai oleh masyarakat dan dikelola oleh masyarakat bersama Pemerintah Desa/Kelurahan untuk memberikan kemudahan memperoleh pelayanan kesehatan masyarakat. Banyaknya sistem pelaporan dari Posyandu terkadang menjadi data yang tidak dianalisa secara baik. Hal ini dikarenakan rekapitulasi dan pengumpulan datanya terkadang tidak tepat waktu. Salah satu upaya yang dapat dilakukan untuk memperbaiki hal tersebut adalah diwujudkan melalui sistem teknologi informasi. Sistem ini, dikenal dengan istilah digitalisasi, membantu analisa dari data secara cepat sehingga petugas kesehatan dimudahkan dalam melakukan pekerjaannya. Pengabdian Masyarakat yang dilakukan ini bekerjasama dengan PT Mahawangga Winaya Indonesia melakukan digitalisasi pengisian data kader posyandu dan pengumpulan data bayi dan balita. Pengabdian ini terdiri dari tiga kegiatan utama yang berurutan, yaitu pembuatan program, pengujian, dan pelatihan. Kegiatan pembuatan program dan pengujian sudah dapat dilaksanakan, namun untuk kegiatan selanjutnya, yaitu berupa kegiatan pelatihan belum dapat dilaksanakan.

COMBINATION METHOD OF ADVANCED OXIDATION PROCESS (AOPs) AND ELECTROMAGNETIC WATER TREATMENT (EWT) TO REDUCE HEAVY METALS IN PIT LAKE Veny Luvita; Novan Agung Mahardiono; Hanif Fakhrurroja; Edy Tanu; Anto Tri Sugiarto
Instrumentasi Vol 43, No 2 (2019)
Publisher : LIPI Press, Anggota IKAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/instrumentasi.v43i2.174

Mining areas in Indonesia still use water sources from the pit lake, called Kolong. Kolong is raw water material of the water local company (PDAM) in obtaining clean water. The lake water usually processed with chemical and physicsmethods before distributed to the community. Whereas in fact the former mine lake water has a heavy metal content that is still relatively high. In mining areas, river and lake water are still polluted by heavy metals that harm living things that can not be decomposed directly by microorganisms naturally and even require a relatively long time to process them. Processed by using Advanced Oxidation Processes (AOPs) and Electromagnetic Water Treatment (EWT) become one of the processing alternatives by removing the heavy metals. The advantage of using this method is high efficiency, ability to process will not cause another waste andincluding as clean technology. The aim of this research activity is to test integrated water treatment system using the physical and chemical method by utilizing surface water contaminated by heavy metals through a combination of advanced oxidation technology and electromagnetic water treatment for physics-chemical water quality improvement which can be utilized by PDAM as raw water to get clean water. This research comparing no processing water, processing water with AOPs and EWT, then combining AOPs-EWT. The result of heavy metal removal in water can be reduced up to ± 90%.

ANALISIS PERSEPSI KONSUMEN TERHADAP BRAND GO-JEK PADA MEDIA SOSIAL TWITTER MENGGUNAKAN METODE SENTIMENT ANALYSIS DAN TOPIC MODELLING Cindy Septiani Hudaya; Hanif Fakhrurroja; Andry Alamsyah
Jurnal Mitra Manajemen Vol 3 No 6 (2019): Jurnal Mitra Manajemen Edisi Juni
Publisher : Kresna Bina Insan Prima

Penelitian ini menggabungkan ilmu manajemen dan ilmu big data dalam proses pengerjaannya. Tujuan penelitian ini untuk mengetahui hasil sentimen konsumen terhadap brand Go-Jek berdasarkan media sosial twitter dan menemukan topik serta kata apa yang dibahas pada sentimen media sosial twitter mengenai brand Go-Jek. Data yang digunakan pada penelitian dini diperoleh dari media sosial twitter dan didapatkan sebanyak 15.721 tweets dari konsumen layanan brand Go-Jek di Indonesia yang aktif pada media sosial twitter. Analisis yang digunakan pada penelitian ini menggunakan metode big data yaitu sentiment analysis dantopic modelling. Kedua metode tersebut digunakan untuk mencapai tujuan penelitian yang ditentukan yaitu mengetahui hasil sentimen dan topik yang dibicarakan konsumen Go-jek di media sosial twitter. Hasil yang diperoleh pada penelitian ini menunjukkan secara keseluruhan dapat dikatakan bahwa sentimen dan topik yang dibahas konsumen berkaitan dengan brand Go-Jek termasuk pada brand perception positif walaupun ada beberapa sentimen negatif namun lebih mendominasi sentimen yang positif.

The Analysis of Pulsed Electromagnetic Field Effect on Solution Conductivity Novan Agung Mahardiono; Hanif Fakhrurroja; V. Luvita; Sudaryati Cahyaningsih
Jurnal Kimia Terapan Indonesia Vol 18, No 02 (2016)
Publisher : Research Center for Chemistry - LIPI

This paper presents the observation of magnetization process variableswhich influenced the conductivity of FeSO4, MnSO4, MgCl2 and CaCl2solution. Some of the survey results revealed that there was a decrease inthe rate of particle formation of FeSO4, MnSO4, MgCl2 and CaCl2 of theions in the sample of the magnetized hard water. This study compared theconductivity of FeSO4, MnSO4, MgCl2 and CaCl2 solution before and afterthe pulsed electromagnetic field with a concentration level of 0.1 M wasgiven. Electromagnetic Water Treatment (EW) was used to generate theelectromagnetic pulse wit 9.3 mT pulsed electromagnetic filed. Tools Themeasurement of solution conductivity level conducted using BenchConductivity Meter was calibrated by Control Company with certificatenumber 4163-4997748 and traceable to the National Institute of Standardsand Technology. The measurement was conducted by observing the timefunction of solution conductivity of FeSO4, MnSO4, MgCl2, and CaCl2.The results showed that pulsed electromagnetic fields affected theconductivity of FeSO4 and CaCl2 solution by74% and 67%, respectively.Meanwhile, the lower conductivity was observed from MnSO4 and MgCl2solution with 6% due to process of magnetization which caused theinstability of the ionic bonding in the solution.

Co-Authors Adi Sutrisno Adi Waskito Adillah, Muhammad Fauzan Nur Agustiana, Nathifa Ahmad Musnansyah Andry Alamsyah Anindya Prameswari Putri Djakaria Anto Tri Sugiarto Arif Abdul Aziz Aris Munandar Asriana Asriana, Asriana Azwar Farrel Wirasena Betty Natalie Fitriatin Binashir Rofi’ah Carmadi Machbub Cindy Septiani Hudaya Deden Witarsyah Deni Kurnia Denis Gresan Yubelas Deris Stiawan Dermawan, M Farhan Hussaini Derry Destian Didit Adytia Dina Angela Dini Dwi Andayani Dita Pramesti Djakaria, Anindya Prameswari Putri Edy Tanu Elsa Melati Nurrachmat Emma Trinurani Sofyan Erlangga, Gilang Faishal Mufied Al Anshary Faishal Mufied Al-Anshary Firdaus, M Ridwan Fitri Widiantini Ghifari, Raden Faqih Hilmiy Hakim, Aqil Rahman Hans Melkisedek Simanjuntak Hariyadi , Karina M., Rahma Kemahyanto Exaudi Lidanta, Fairuz Zahirah Mahardiono, Novan Agung Mimin Muhaemin, Mimin Muharman Lubis Nopendri Nopendri Novan Agung Mahardiono Novan Agung Mahardiono Novan Agung Mahardiono Nuryatno, Edi Triono Oktariani Nurul Pratiwi Permatasari, Yessy Prahastiwi, Narita Ayu Puspitasari, Devi Ambarwati Putra Perdana Prasetyo, Aditya Rahayu, Indah Sari Rahman, Jodi Rizki Rahmat Budiarto Rahmat Mulyana Rais, Muhammad Haidar Ramdhani, Fiqri Rimba Pratama Putra Rukmana, Putri Utami Sadewa, Rizki Salsabila, Syifa Aria Sarmayanta Sembiring Sendhitasari, Aulia Ferina Seno Adi Putra Setyorini Setyorini Sudaryati Cahyaningsih Sugiono, - Sutoyo, Edi Tanu, Edy Tatang Mulyana Tien Fabrianti Kusumasari Tualar Simarmata Utama, Muhammad Hasbi Juri V. Luvita Veithzal Rivai Zainal Veny Luvita Veny Luvita Wibowo, Jony Winaryo Wibowo, Nanang Roni Widianto Soekarnen Wijaya, I Made Darma Putra Yolanda, Mitra Marlina Zuhdi, Hafidh

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