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All Journal CommIT (Communication & Information Technology) KOLEGIAL : Jurnal Manajemen, Bisnis, dan Akuntansi Jurnal Matematika: MANTIK AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Inovasi : Jurnal Ekonomi, Keuangan, dan Manajemen Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika JTAM (Jurnal Teori dan Aplikasi Matematika) J Statistika: Jurnal Ilmiah Teori dan Aplikasi Statistika Majalah Ekonomi Jurnal Penamas Adi Buana Jurnal Leverage, Engagement, Empowerment of Community (LeECOM) Indonesian Journal of Social Research (IJSR) Seminar Nasional Hasil Riset dan Pengabdian (SNHRP) Jurnal Inspirasi Binsis dan Manajemen Jurnal Natural Kanigara EKOBIS ABDIMAS : Jurnal Pengabdian Masyarakat International Journal of Accounting and Management Research (IJAMR) International Journal of Computing Science and Applied Mathematics-IJCSAM Al Ibtida: Jurnal Pendidikan Guru MI
Evita Purnaningrum
Universitas PGRI Adi Buana Surabaya
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Neuroscience Physics Social Sciences Other

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Auto Floodgate Control Using EnKf-NMPC Method Evita Purnaningrum; Erna Apriliani
(IJCSAM) International Journal of Computing Science and Applied Mathematics Vol. 2 No. 1 (2016)
Publisher : LPPM Institut Teknologi Sepuluh Nopember

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

Abstract

One of the flood controls, especially in the downstream areas are barrage. Those are optimized using Ensemble Kalman filter based non linear predictive control. Ensemble Kalman Filter is used to predict water levels and flow of waters when it reaches the barrage. The results obtained from this method is then used as input for controlling the floodgates. Simulations are performed in three circumstances, namely the normal flow, flooding and drought. For normal flow, using optimum quantities are obtained from NMPC by opening the floodgates. Simulations were performed for 100 hours, with a gap of 5 per hour of observation. EnKf fulfilled with RMSE yields accuracy of the system and estimates of less than 1, RMSE debit is 0.5346 and RMSE water level is 0.2716. Furthermore the operation of the opening gate achieves optimum value, with the movement of between 40 - 65 per cent, with an average difference of movement is 0.10065 percent. Flood conditions, the water flow 2.000 m3/s and the water level 10 m operation of opening gate ranging between 98 - 100 per cent and the amount of the difference opening gate is 0.028835. RMSE to estimate the flow rate of 1.5835, while for the water level of 0.3145. While the flow conditions dry, with water flow 10 m3/s and the water level 1 m operation of opening gate ranging between 0 - 1 percent and the amount of the difference opening gate is 0.41289 percent. RMSE to estimate the flow rate of 0.0826, while for the water level of 0.0677.
Elementary School Students' Perceptions of STEM-Based Mobile Learning Applications Reza Rachmadtullah; Evita Purnaningrum; Suharni Suharni
Al Ibtida: Jurnal Pendidikan Guru MI Vol. 10 No. 2 (2023): October 2023
Publisher : UIN Siber Syekh Nurjati Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24235/al.ibtida.snj.v10i2.12387

Abstract

AbstractResearch conducted by the "We Are Social" institution shows that Indonesian people are a significant resource in utilizing the internet. The ability of Indonesian elementary school students in using digital technology is quite good; however, its use is primarily for entertainment. Observing this phenomenon, researchers have taken the initiative to harness digital technology to enhance the learning experience, moving away from conventional methods. This study aims to investigate how elementary school students perceive STEM-Based Mobile Learning Application Technology. The research method used for this study is qualitative, emphasizing discourse analysis and conversational analysis. Participants in this study included ten fifth-grade elementary school students in the city of Cirebon. The results of the study have been quite positive, as this application makes it convenient for students to study anywhere and at any time, as long as their smartphones are connected to the internet. Nonetheless, the use of STEM-Based Mobile Learning Application Technology has received feedback regarding its limitations and weaknesses, such as the small screen, which makes it challenging for users to read text.Keywords: mobile learning application, STEM, elementary school students.AbstrakRiset yang dilakukan oleh lembaga We Are Social menunjukkan bahwa masyarakat Indonesia merupakan sumber daya yang sangat besar dalam mendayagunakan internet. Kemampuan siswa Sekolah Dasar Indonesia sudah cukup baik dalam menggunakan teknologi digital. Namun pemanfaatannya masih bersifat hiburan. Melihat fenomena tersebut, peneliti berinisiatif untuk memanfaatkan teknologi digital untuk memfasilitasi pembelajaran sehingga tidak lagi bersifat konvensional. Penelitian ini bertujuan untuk mengetahui bagaimana persepsi Siswa Sekolah Dasar terhadap Teknologi Aplikasi Mobile Learning Berbasis STEM. Metode yang digunakan untuk jenis penelitian ini adalah metode penelitian kualitatif. menekankan pada fokus analisis wacana dan analisis percakapan Partisipan dalam penelitian ini yaitu melibatkan sepuluh siswa sekolah dasar kelas lima di kota Cirebon. Hasil penelitian ini yaitu Mendapatkan respon yang postif karena apliaksi ini memberikan kemudahan siswa untuk belajar dimanapun dan kapanpun asalkan smartphone mereka terhubung dengan internet. Namun penggunan Teknologi Aplikasi Mobile Learning Berbasis STEM juga mendapatkan respon terkiat kelemahan atau kekurangannya yaitu memiliki keterbatasan seperti perangkat lainnya diantaranya yaitu layarnya kecil sehingga pengguna kesulitan untuk membaca teks.Kata kunci: aplikasi mobile learning, STEM, siswa sekolah dasar.
Co-Authors Aji Prasetyo Ariqoh2, Ihdina Ariyanti, Viki Bagus Sartono Bayu Adi Bisma Arianto Cahya, Septa Dwi Cahyaningtias, Sari Christina Menuk Sri Handayani Dwi Ajeng Kusumawardhani Dyatmika, Sutama Wisnu Erna Apriliani Fauziyah Fauziyah Ferry Hariawan Firdausia, Yuli Kurnia Hanief Khoyyir Nafah Hanief Khoyyir Nafah Heny Afifatul Mu’asyaroh I Made Bagus Dwiarta Ihdina Ariqoh2 Indahwati Jauhari, Muhammad Nurrohman Kusman Sadik Kusumawardhani, Dwi Ajeng Moch. Munir Rachman Muhammad Athoillah, Muhammad Nafah , Hanief Khoyyir Nashrudin Latif Noerchoidah Putri, Rani Kurnia Rachmadtullah, Reza Rafikayati, Ana Reza Rachmadtullah Rina Fariana ROCHYATI ROCHYATI Satya Putra, Eza Widhy Sigit Prihanto Utomo Subakir Sugijanto Suharni Suharni Suharni, Suharni Sutama Wisnu Dyatmika Sutama Wisnu Dyatmika Tri Ariprabowo Viki Ariyanti W, Tony Susilo Wahyuning Murniati Wardatur Roikhah Waryanto, Bambang Dwi Widhayani Puri S