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All Journal Indonesian Journal of Electronics and Instrumentation Systems International Journal of Renewable Energy Development BERKALA FISIKA SAINS DAN MATEMATIKA Jurnal Ilmu Lingkungan Jurnal Perikanan dan Kelautan YOUNGSTER PHYSICS JOURNAL Jurnal Teknik Sipil Scientific Journal of Informatics Jurnal Manajemen Pendidikan (JMP) International Journal of Artificial Intelligence Research Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biologi Tropis Solidaritas Jurnal Akuatiklestari Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Journal of Physics and Its Applications JSiI (Jurnal Sistem Informasi) Jurnal Pengembangan Riset dan Observasi Teknik Informatika Dialogia: Jurnal Studi Islam dan Sosial Jurnal Sains Teknologi Akuakultur Journal of Machine Learning and Soft Computing Journal of Tropical Marine Science Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil Jurnal Fisika Indonesia Jurnal Ners Jurnal Abdi Insani Jurnal Ilmiah Abdi Mas TPB Unram Jurnal Cahaya Mandalika Jurnal Teknosains Kodepena (Kodepena Journal of Technoscience) Jurnal Kesehatan Tambusai Media Komunikasi Dunia Ilmu Sipil (MoDuluS) Arwana: Jurnal Ilmiah Program Studi Perairan JOURNAL LA MEDIHEALTICO Jurnal Teknosains Kodepena (Kodepena Journal of Technoscience) Journal of Islamic Philanthropy and Disaster Jurnal Ilmiah Arsitektur Journal of Community Development and Disaster Management Journal of Communication Studies Jurnal Al-Qayyimah Academic Physiotherapy Conference Proceeding Mandala of Health : A Scientific Journal Jurnal Keperawatan Jurnal Riset Rumpun Ilmu Sosial, Politik dan Humaniora (JURRISH) Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Social Science Academic Journal of Community Service and Society Empowerment Proceeding of International Conference of Islamic Education Jurnal KALANDRA Global Forest Journal Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Oftalmologi: Jurnal Kesehatan Mata Indonesia Economic, Accounting Scientific Journal (CASH) Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine Journal of Community Services and Engagement: Voice of Community (VOC) Jurnal Perikanan dan Kelautan Jurnal Perikanan JLTLL
Agus Setyawan
Department Of Physics, Faculty Of Science And Mathematics, Diponegoro University, Semarang
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Journal : BERKALA FISIKA

 1 
RANCANG BANGUN SISTEM KENDALI UNIT PENGOLAHAN AIR BERSIH BERBASIS ARDUINO UNO R3 DAN NEXTION Supriyadi, Achmad; Setyawan, Agus; Suseno, Jatmiko Endro
BERKALA FISIKA Vol 22, No 2 (2019): Berkala Fisika Vol. 22 No. 2 Tahun 2019
Publisher : BERKALA FISIKA

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Abstract

The control of the ordinary water treatment unit on refinery location is still operated manually(by operator), especially in the filtering unit (IRF unit). There are 9 manual block valves that must be operated every 8 hours, to keep the water quality meets its specification. Manual operation can increase the risk of errors or delays in the operation or movement of service cycles and regeneration sequences. Subsequently, it can decrease the water quality and unefficiency in production. The automation of the water treatment unit was made using the nextion HMI touch screen circuit, Arduino Uno microcontroller, IC shift register, electronic relay and other electronic components. By connection between the Nextion HMI as an interface and the Arduino Uno microcontroller as electronic relay controller, the design of the control unit was able to control the clean water treatment unit simulator in accordance with the principles of the processing unit.Keywords: Water treatment unit, nextion, arduino uno
MODEL ARIMA UNTUK PREDIKSI CURAH HUJAN STUDI KASUS SEMARANG JATENG A Rofik, Muchammad; Gernowo, Rahmat; Setyawan, Agus; Nursamsiah, Nursamsiah
BERKALA FISIKA Vol 15, No 3 (2012): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

Modeling and prediction of rainfall in 2010 in Central Java BMKG Climatological Station has been done with ARIMA approach. The goal is to determine the historical pattern of the dataand then extrapolates this pattern into the future based on the assumption of continuity. Rainfalldata of 2000-2009 is a time series that can be predicted into the future using ARIMA. In thisstudy using two approaches for prediction of rainfall in 2010. The results were correlated with aprediction of rainfall data observed in 2010. Obtained a correlation of 71.1% and 75.48%.Keywords: ARIMA, rainfall, predictions, models
IDENTIFIKASI ALIRAN AIR INJEKSI DI LAPANGAN TALANG JIMAR REGION SUMATRA MENGGUNAKAN METODE SPONTANEOUS POTENTIAL Fithria I D, Ni'matul; Setyawan, Agus; Yulianto, Tony
BERKALA FISIKA Vol 15, No 3 (2012): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

Spontaneous-potential observation using amplitude potential method had been done beneathTalang Jimar area. The purpose of observation are to determine the distribution and depth of fluidinjection. Spontaneous-potential which has been corrected then processed using excel and surfer 9 toknow the distibution of its spread, while for the clarified of the deph we used spherical model. Thespontaneous-potential result shows ranging from -40 mV up to 10 mV with direction towards thereference block and a depth of 244,93 meters show.Keywords : Spontaneous‐potential, fluid injection, Talang Jimar, spherical model.
Pengaruh Format Soal Dalam Bentuk Animasi Terhadap Validitas Dan Reliabilitas Tes Pemahaman Konsep Pembiasan Cahaya Suhandi, Andi; Samsudin, Achmad; Setyawan, Agus
BERKALA FISIKA Vol 13, No 2 (2010): Berkala Fisika, Edisi Khusus
Publisher : BERKALA FISIKA

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Abstract

This research was conducted to investigate the influence of question format in the form of animation to the validity and reliability tests of understanding the concept of light refraction. For the sake of it has constructed a test of understanding the concept of the refraction of light in an animation format by replacing static pictures and descriptions of the phenomenon of refraction of light propagation in a static format (paper and pencil test) with computer animation. Second test version, the version animated and static versions then tested to 100 students from three high schools in Bandung, which has received the learning material of light refraction. The second test version of the test results are then analyzed to determine the validity and reliability respectively. To see the influence of a test version of the level of validity and reliability, then compare the level of validity and reliability of both versions of this test. The results showed that both the level of validity and reliability tests in levels higher than the animated version of the test in the static version. Level of validity for the second consecutive test version 0.89 (very high) for an animated version and 0.71 (high) for the static version, whereas the level of reliability, 0.92 (very high) for an animated version and 0.78 (high ) for the static version. These results show obvious evidence of the influence of question format in the form of animation on the level of validity and reliability tests of understanding the concept of habituation of light. Keywords: Animation Test Version, Test Version Static, validity, reliability, refraction of light
ANALISA DATA CURAH HUJAN STASIUN KLIMATOLOGI SEMARANG DENGAN MODEL JARINGAN SYARAF TIRUAN Arif, F M; Gernowo, Rahmat; Setyawan, Agus; Febrianty, D
BERKALA FISIKA Vol 15, No 1 (2012): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

The major purpose of this research was to applying artificial neural network to predicting rainfall in Semarang climatology station and occurs its accuration. One ofartificial neural network method is back propagation artificial neural network. Withheuristic technique its optimizing to train algorithmic faster and improving net works. Weused rainfall data in 2000-2009 from Semarang climatology station. Artificial neuralnetwork modelling planned in MATLAB R2008b programme. The best model or net viewsfrom correlation level between net’s output, observation data and RMSE point whichproduced by the net. The results shown the best network has 5 neurons in input’s layer, 10in hidden layer and 1 neuron in output layer. Its performance has learning data 66,7%,testing data 33,3%, learning rate 0,7 and momentum 0,4 which has correlated around70,72% to observation data with RMSE point 141,55. The best network will use topredicting rainfalls in 2010, its correlation is 88,43% and its RMSE points is 83,76 tillJuly. Its better than what BMKG has which only reach 84,63% correlation points and87,21 RMSE points.Keywords:  Artificial neural network, optimizing, correlation, RMSE
ANALISIS DIMENSIONALITAS DATA MAGNETOTELURIK LAPANGAN PANAS BUMI “SA” BERDASARKAN METODE TENSOR FASE Akbar, Shofya; Setyawan, Agus; Yulianto, Tony; Baroek, Marino Christiano; Ramadhan, Irvan
BERKALA FISIKA Vol 23, No 2 (2020): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

Magnetotelluric (MT) method is one of a passive electromagnetic method in geophysics. Principally MT measures the temporal variation of the electromagnetic field that is induced to the surface of the earth to get the subsurface resistivity structure. Information about the geoelectric strike and dimensionality of the magnetotelluric data is important to modelling the subsurface structure. Information is used to determine the 1D, 2D or 3D approach that can be used to interpret MT data. Therefore, an aim of study is to identify the direction of the geoelectric strike and dimensionality structure in the "SA" geothermal field. The data were used is secondary data that has been corrected using shift correction. Phase tensor method was used to analysis the dimensionality of magnetotelluric data. Principally the phase tensor method is to determine the dimensionality by looking the difference between maximum and minimum phase that can be describe the main direction of structure in the field area. The results of geoelectric strike analysis and the dimensionality of the magnetotelluric field data for the "SA" geothermal field show the direction of geoelectric strike N345oE or N15oW with 1D, 2D and 3D dimensionality structures.
RANCANG BANGUN SISTEM KEAMANAN PINTAR PADA PINTU KAMAR MENGGUNAKAN RFID, PASSWORD DAN ANDROID BERBASIS ARDUINO UNO Setyawan, Agus; Prabowo, Muhammad Nur; Suseno, Jatmiko Endro
BERKALA FISIKA Vol 23, No 1 (2020): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

The security system is very important for someone who often leaves his/her home or private room that can be used by perpetrators of crimes such as thieves. In this case, a tool is needed to anticipate this crime. Security is needed to protect ourselves and our valuable assets. In this study, a tool was used to secure a room by replacing a conventional door lock with a solenoid which can only be opened if entering passwords, cards or commands from the smartphone is correct. If entering a password or card is incorrect, then the system will lock the door automatically and sound an alarm for the specified time limit. if it is correct to enter a password or card then the system will open the solenoid and the door will open automatically without having to push the door. In addition to providing good safety, it also provides a practicality that is quite good because the door can be opened and locked automatically since we often forget ourselves to lock the door.
ANALISIS POTENSI TANAH LONGSOR DI PADANGSARI BANYUMANIK SEMARANG Setyawan, Agus; Putra, Hisbicus Dwi Surya; Suseno, Jatmiko Endro; Yulianto, Tony
BERKALA FISIKA Vol 23, No 3 (2020): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

Semarang city is a city that grew out of old settlement built on alluvial sediment. The conditions cause many natural disasters such as floods and landslides. Padangsari Village, Banyumanik District located in the Southern part with hilly morphology and lithology from Mount.Ungaran. Positive  potential  is  the  existences  of  material  for  development  that  are  useful  for  the community, otherwise the negative potential there is soil vulnerability than can cause landslide. Classification of positive and negative potentials is obtained from combining several data and factor  such  as:  rainfall,  slope,  groundwater  level,  lithology,  sedimentation  and  landuse.  All data were processed with ArcGis softwere and produces a potential map for the Padangsari Village. Hopefully the map will be useful for research and society in Padangsari to produce policy when infrastructure development.Keywords:  Landuse,  landslide,  rainfall,  slope,  groundwater  level,  lithology,  sedimentation, Padangsari
Co-Authors A. Suhandi A.A. Ketut Agung Cahyawan W Achmad Samsudin Achmad Supriyadi, Achmad Adi Nugroho Adiputra, Yudha Agnis Triahadin Agnis Triahadini, Agnis Agung Prasetyo Agus Subagio Agus Susilo Agustina, Cynthia Ahwy Oktradiksa Akbar, Shofya Alfina, Ria Aliyatarrafiah Aliyatarrafiah Althafunnisa, Namyra Aisha Aman Damai, Abdullah Anik Fitrochaton Chasanah Arif, Mas Achmad Syamsul Arlanda, Revilarita Asri Nurdiana, Asri Astuti, Andriani Mei Aulia, Thessa Putri Azis, Latif Saiful Azizah Azizah Azizi, Sandi Bambang Mujihardi Baroek, Marino Christiano Berta Putri Boko Nurdiyanto Brandan Tito Ramadhan Choirul Wahid, Imam Mustofa D Febrianty Dadan Dani Wardhana Damai, A Aman Darojat, Muhammad Wahyu Dave Emmanuel Haning Dewi Mariyaningsih Dhana Hastuti Dimas Sidiq Baskoro Dita Aprilina Djalal Er Riyanto Dody Irnawan Dwi Purwantoro Sasongko Dwi Puspitasari Dwiki, Elba Dwiyanto JS Dzuelqarnain, Muhammad Essa eko efendi Elisdiana, Yeni Endriasmoro M Siagaan Esti Harpeni F M Arif Faizal Ahmad Fajar Waskito Fajrin, Fajrin fidhoh, kha Fidyandini, Hilma Putri Firdausi, Hilma Nahwa Firmansyah, M. Rizal Fithria I D, Ni'matul Fitra Ramdhani Fitra Ramdhani Florentina Yuni Arini, Florentina Yuni Frysca Putti Muviana Fuad Tarmidzi Galang Virgiawan Ganap Y. Febrika Ganap Yuliana Febrika Ghufron Abdullah Gulton, Arlewes Gunawan, Riyan Habib, Farid Alif Hadi, Muhammad Rafli Irsyad Harri Yudianto Hauzan, Noor Azmi Fachri Hauzan, Noor Azmi Fachri Hay's, Riyan Naufal Herbianto, Sheren Aurellya Heri Sugito Hidayat, Muhammad Adil Hidayati, Ina Hilmi, Haidar Hirafiany Daruartati I Gusti Ngurah Antaryama I Nyoman Sujana Ibnu Rasid Ida Hayu Dwimawanti Ilham Nurdien Imam B. Raharjo Imam Baru Raharjo Imam Baru Raharjo Indah Asmoro Wulan Indra Gumay Febryano Irawan, Ady Isa Akhlis Isnain Gunadi Istikomah Istikomah Istiqomah Ari Kusuma Ita purnamasari, Ita Itasari, Andri Astuti Jatmiko Endro Suseno Juliasih, Ni Luh Gede Ratna Kanthi Pamungkas Sari Kasanah, Nur Khafidhoh Khafidhoh, Khafidhoh Khairunissa, Hatifa Khasana, Devi Ardiyati Kholidin, Edy Barkat Kusno Adi Sambowo Kusumaningrum, Rahma Puspita Lahay, Almira Fardani Lendriadi A. Lestari, Kiki Indah Lestari, Sepnina Like Limin Santoso Linirin Widyastuti, Endang Listia, Octa Lutfiani, Ulfah M Wildan Firdaus Maharani, Ni Putu Diva Mahestri, Laras Mahmud Yusuf Malau, Victor Pandpotan Maya Riantini, Maya Maya Sekar Wangi Moch. Abdul Mukid Mohammed I. D. Matar, Mohammed Mualimin Mualimin Mualimin Mualimin Muchammad A Rofik Muchlis, Ibnu Mufita, Halimah Muhammad Irham Nurwidiyanto Muhammad Kholiqul Amiin, Muhammad Kholiqul Muhammad Mualimin Muhammad Nur Muhammad Nur Handoyo Munti Sarida Murtiningtias Diah Ayu Martha Dewi Mustafid Mustafid Mutiatussholikah, Dita Muyasaroh, Evi Nafiisah, Nafiisah Naufal, Adnan Faris Ningsih, Setia Nisa Az Zuhdy, Afifah Nona Dili Maricci Noor Alis Setiyadi Noor, Huriyatul Fitriyah Noviana Fransiska Nuning Nurcahyani Nur Hakim, Alvio Nur Rachmaningtias Nurcahyo, Mugi Nurhadiyastuti, Ameilia Nurhalisa, Alifia Adibila Nuriyana Muthia Sani Nursamsiah Nursamsiah Nurul Khasanah, Nurul Nur`Ani Okta Trilia Octaviani Sarmauli Oki Hedriana Oky Irawan Sugiri Ophi Thio Rendy Parabi, Achmad Reza Parbuntian Sinaga Pitojo Budiono Prabowo, Muhammad Nur Priyo, Priyo Putra, Hisbicus Dwi Surya Putri, Wanda Andella Qadar Hasani R. M. Tofan Sastranegara Rahayu, Wiji Rahaz, Muhammad Faiz Thoyib Rahmasari, Ikrima Rahmat Gernowo Ramadhan, Irvan Rara Diantari Rasyid, Moh Andi Ratih Rundri Utami Ratna Dewi Winesthi Ratna Juliasih, Ni Luh Gede Redemtus Heru Tjahjana Ribangun Bamban Jakaria Rina Dwi Indriana Rina Hesti Utami Ririn Sulpiani Rivaie, Arief Rahman Sakti, Doni Bilga Komara Saputra, Rizqy Hadi Saputra, Suryadi Sari, Azzahra Indah Satriyo Adhy Sela Ade Otaviana Setiawan, Aqshal Dwi Silvia Yulita Ratih Simamora, Ginda Siti Fathonah Siti Hudaidah Siti Rohimah Sitompul, Hotlan Albert Adventus Slamet Mulyono Subandoro, Agus Sudarno Sudarno Sugeng Widada Sugiharto, Sh Sumino, Sumino Supono Supono Supriyadi - Supriyadi - Susanti, Oktora Susanti, Susanto, Gregorius Nugroho Sutrisno, Ade TATI NURHAYATI Teguh Ansori Teguh Satya Bhakti Teguh Suroso Tiara Qonita, Azhra Tiara Qonita Titik Haryati Tugiyono Tugiyono Udi Harmoko Wahyono, Catur Wahyu Eko Sulistiono Wardiyanto - Widiarso Dian Agus Widiastuti, Endang Linirin Winaldi, Iman Wisnu Agung Permadi Wiyatanto, M Toto Yasluh, Muhammad Sholukha Yatti Pratyas Katrinavia Yatti Pratyas Katrinavia Yayan Yuliananto Yayan Yuliananto Yeni Indriyani Yoga Aribowo Yudha T Adiputra Yudha Trinoegraha Adiputra Yulianto, Cita Yundari, Yundari Yuniarti, Siti Yusup, Maulid Wahid Zaenul Muhlisin Zainal Abidin Zaini, Syakila Zulfikar Zafeskan Ronapati