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All Journal Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Computer Science Sewagati
Susi Juniastuti
Institut Teknologi Sepuluh Nopember
Arts Humanities Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Crowd evacuation navigation for evasive maneuver of brownian based dynamic obstacles using reciprocal velocity obstacles Susi Juniastuti; Moch Fachri; Fresy Nugroho; Supeno Mardi Susiki Nugroho; Mochamad Hariadi
Bulletin of Electrical Engineering and Informatics Vol 11, No 4: August 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v11i4.3806

Abstract

This paper presents an approach for evasive maneuver against dynamic obstacles in multi-agent navigation in a crowd evacuation scenario. Our proposed approach is based on reciprocal velocity obstacles (RVO) with a different manner to treat the obstacles. We treat all possible hindrances in velocity space reciprocally thus all collision cones generated by other agents and obstacles are treated in the same RVO manner with the key difference in the effort of avoidance. Our approach assumes that dynamic obstacles bear no awareness of navigation space unlike agents thus the avoidance effort lies on behalf of the mobile agents, creating unmutual effort in an evasive maneuver. We display our approach in an evacuation scenario where a crowd of agents must navigate through an evacuation area trespassing zone filled with dynamic obstacles. These dynamic obstacles consist of random motion built based on Brownian motion thus posses an immense challenge for the mobile agent in order to overcome this hindrance and safely navigate to their evacuation area. Our experimentation shows that 51.1% fewer collisions occurred which is denote safer navigation for agents in approaching their evacuation point.
Inert and mobile agents navigation interaction using reciprocal velocity obstacles for collisions avoidance Susi Juniastuti; Moch Fachri; Supeno Mardi Susiki Nugroho; Mochamad Hariadi
Indonesian Journal of Electrical Engineering and Computer Science Vol 26, No 2: May 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v26.i2.pp1116-1124

Abstract

Reciprocal velocity obstacles (RVO) is a method used for multiagents navigation that enables collision and oscillation-free avoidance against other mobile agents. Despite its ability in collision avoidance between agents, RVO has a hard time dealing with static obstacle avoidance. This problem has led to a tendency to use RVO only for agents avoidance and use other methods to handle static obstacles avoidance. In this paper, we present our new approach for interaction between mobile agents against static obstacles in the RVO based collision avoidance. We propose a concept called inert agents that interact as static obstacles. This inert agent is stand firm as static obstacles should be, while the inert agent also able to satisfy reactive collision avoidance nature of RVO to produce better avoidance result. We conduct an experiment to compare the performance of avoidance in a certain scenario. Our method shows better results when compared with generic static obstacles.
Interaksi Interaksi Siswa PAUD/TK As-Sholihin Surabaya dengan Gadget dan Perilaku Pendampingan oleh Orang Tua Puji Handayani; Titiek Surjani; Sri Rahayu; Devy Kuswidiastuti; Diah Puspito Wulandari; Susi Juniastuti
Sewagati Vol 7 No 4 (2023)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v7i4.528

Abstract

Perkembangan internet sedemikian masif dan merasuk di berbagai lapisan masyarakat. Kemudahan akses aneka rupa aplikasi bisa dilakukan oleh siapapun lewat perangkat HP (gadget), tidak terkecuali bagi anak-anak. Kebanyakan balitamaupun batita tidak asing lagi dengan perangkat gadget bahkan cukup piawai memainkannya, entah untuk kebutuhan bermain, sarana hiburan dsb. Kondisi pandemi covid-19 secara nyata turut mendongkrak penggunaan gadget bagi anak-anak, baik untuk kelancaran proses kegiatan belajar yang bersifat daring (online), pengerjaan tugas, dll. Keberadaan gadget tentu sangat membantu dalam menggantikan aktifitas sehari-hari yang biasanya dilakukan secara tatap muka (luring), namun tetap menyimpan potensi negatif jika penggunaannya tidak diawasi dan dibatasi. Dampak buruk ini rentan menimpa pada anak usia pra-sekolah atau anak berpendidikan PAUD/TK, mengingat kepahaman mereka terhadap literasi digital masih minim bahkan belum ada. Kegiatan pengabdian masyarakat (Abmas) dengan sasaran orang tua (wali siswa) di PAUD/TK As-Sholihin RT01/RW01 Kelurahan Keputih, Kecamatan Sukolilo, Surabaya ini mencoba memotret kebiasaan sehari-hari anak dalam berinteraksi dengan gadget serta model pendampingan orang tua (wali siswa)dalam mengawasinya. Rangkaian kegiatan terdiri dari survei kondisi sehari-hari penggunaan gadget pada anak dan perilaku pendampingan orang tua, penyuluhan resiko-resiko penggunaan gadget pada anak, penyuluhan bentuk-bentuk bahaya internet, konsultasi dan tanya-jawab, serta praktek pengaturan gadget agar aman dan ramah untuk anak.
Co-Authors Devy Kuswidiastuti Diah Puspito Wulandari Fresy Nugroho Moch Fachri Mochamad Hariadi Puji Handayani Sri Rahayu Supeno Mardi Susiki Nugroho, Supeno Mardi Titiek Surjani