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All Journal BERKALA FISIKA Bulletin of Scientific Contribution : Geology IJOG : Indonesian Journal on Geoscience Program Kreativitas Mahasiswa - Karsa Cipta ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Geografi, Edukasi dan Lingkungan TEKTRIKA - Jurnal Penelitian dan Pengembangan Telekomunikasi, Kendali, Komputer, Elektrik, dan Elektronika Sawala : Jurnal pengabdian Masyarakat Pembangunan Sosial, Desa dan Masyarakat SWAGATI: Journal of Community Service Jurnal Geosaintek
Kusnahadi Susanto
Program Studi Fisika, FMIPA Universitas Padjadjaran.
Religion Agriculture, Biological Sciences & Forestry Arts Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Physics Social Sciences Other

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“GULALI” GANTUNGAN ANTI LALI SEBAGAI PENDETEKSI Hauna, Zahra Inatsa; Pratiwi, Siska; Dewi, Sasti Dwi Tungga; Wahyudin, Muhammad; Susanto, Kusnahadi
Program Kreativitas Mahasiswa - Karsa Cipta PKM-KC 2014
Publisher : Ditlitabmas, Ditjen DIKTI, Kemdikbud RI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (542.228 KB)

Abstract

Increasingly sophisticated technology enables the creation of material and goods with very small size and flexible. The problems that arise with such a small item storage is negligence in causing impaired daily activities. Solutions to overcome these problems are made of GULALI (Gantungan Anti Lali) which can detect small sized goods with frequency. GULALI is containt of a remote control (transmitter) and the hanger as the recipient (receiver) equipped with speakers mounted on a small sized objects. GULALI can detect the presence of the goods within 5 m in horizontal and vertical direction.  Keywords: Small Goods, Negligence, Frequency, GULALI
Karakterisasi Zona Sliding Di Perbukitan Ranggawulung Subang Dengan Metoda Geolistrik Tahanan Jenis Susanto, Kusnahadi; Zaenudin, Ahmad
BERKALA FISIKA Vol 13, No 2 (2010): Berkala Fisika, Edisi Khusus
Publisher : BERKALA FISIKA

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Abstract

Subang Ranggawulung Hills is a road connecting Bandung- Subang which is landslide-prone. Landslides have occurred in the area and now the potential for ground movement is still visible which is characterized by crack and wave roads and buildings sideway. This study characterizes the sliding zone and the direction of movement of ground geoelectric resistivity method. Geoelectrical resistivity method to detect the existence of a sliding zone of the layer surface lapsed causes that caused Landslides. Of geoelectric resistivity cross-section indicates that the contact area between the layers with a certain slope at a depth of about 3-10 m below ground surface. Fields marked with a contact layer of low resistivity value of about 5-10 m which is consistent on all tracks. By observing these results can be seen that the hills Ranggawulung potential for the occurrence of landslides, although slow moving. Key words: landslides, low resistivity
Cross-Section Resistivity Detection of Tree (Swietenia Magahoni and Gmelina) Using ERT Method Evi Fazriati; Asep Purnama; Gian Agistian Algifari; Irene Siti Amilah Muslimah; Fitria Hapsari Puteri Sumanto; Kartika Hajar Kirana; Kusnahadi Susanto
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 1 (2022): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i1.965

Abstract

The existence of trees is very beneficial for humans’ life. There are utilizations of tree such as urban planning and reforestation. However, the tree can be dangerous when the tree is aged and decay because of several factors that might be cause fallen tree. Furthermore, the monitoring activity is needed to know the condition of the tree. One of the methods that can be used to detect hollow in living tree is Electrical Resistivity Tomography (ERT). The ERT is an efficient and nondestructive method that can be potential to estimate resistivity cross section. The measurement of ERT conducted on Swietenia mahagoni and Gmelina with unhealthy and healthy condition visually. The data processed using Res2Dinv and reconstructed for obtaining 2D resistivity cross section. The results shows that the unhealthy Swietenia mahagoni has logarithmic resistivity value range between 0.1-1 Ωm and the healthy Swietenia mahagoni has 1-4 Ωm. Meanwhile, the unhealthy and healthy Gmelina has logarithmic resistivity value range between 0.5-4.5 Ωm and 0.5-3 Ωm, respectively. It is shows that the tree indicated health visually from biological view does not mean the tree is decay. It might be influenced by phenology factor and/or the species of the tree.
SOSIALISASI SUMBER AIR BERSIH DAN PEMANFAATAN-NYA SEBAGAI SUMBER AIR BERSIH DAN SANITASINYA DI WILAYAH GUNUNG HARUMAN CIMAUNG KAB. BANDUNG Asep Harja; Kusnahadi Susanto; Yanti Rubiyanti; Wahju Gunawan
Sawala : Jurnal pengabdian Masyarakat Pembangunan Sosial, Desa dan Masyarakat Vol 3, No 2 (2022): Sawala : Jurnal pengabdian Masyarakat Pembangunan Sosial, Desa dan Masyarakat
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/sawala.v3i2.38641

Abstract

Kegiatan Pengabdian Kepada Masyarakat ini dimulai dengan kegiatan sosialisasi hasil penelitian hidrogeofisika kepada masyarakat di Cimulek Desa Warjabakti. Kegiatan ini adalah awal dari kegiatan yang dilanjutkan dengan kegiatan Kuliah Kerja Nyata (KKN) secara Hybrid yang dimulai semenjak tanggal 07 Januari 2022 sampai dengan 07 Februari 2022. Kegiatan ini melibatkan 20 orang mahasiswa dari berbagai bidang keilmuan dan fakultas. Tim melaksanakan penyuluhan ke beberapa rumah warga berdasarkan permasalahan yang didapat dari hasil wawancara. Capaian akhir dari penyuluhan ini adalah warga memahami pentingnya sanitasi dan dampak dari buruknya sanitasi MCK pada kesehatan sehingga masyarakat dapat lebih peduli terhadap kebersihan. Setelah melakukan kegiatan selama berada di Desa Warjabakti, ditemukan beberapa rekomendasi untuk berbagai pihak yang terlibat dalam permasalahan di Desa Warjabakti. Implementasi pengaturan secara terintegrasi untuk pemanfaatan sumber air akan dilakasanakan dengan melakukan kerja sama dengan pihak pemerintahan mulai para ketua RTdi lingkunngan RW 11, Kadus, Kepala Desa Warjabakti dan dari pihak Mercy Corporation Indonesia. Semua kegiatan pembuatan jaringan distribusi dari sumber mata air ke rumah warga ini dilaksanakan mulai bulan Maret sampai dengan September 2022.
Pemetaan Daerah Potensi Longsor Menggunakan Analisis Fault Fracture Density Pada Data DEMNAS Di Wilayah Cisarua, Kabupaten Bandung Barat, Jawa Barat Silmi Afina Aliyan; Totok Doyo Pamungkas; Kusnahadi Susanto; Putri Aprilia Ayesha
Jurnal Geografi, Edukasi dan Lingkungan (JGEL) Vol. 7 No. 2 (2023): Edisi Bulan Juli
Publisher : Pendidikan Geografi Universitas Muhammadiyah Prof. Dr. Hamka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jgel.v7i2.11397

Abstract

The Cisarua area is located in the northern part of Bandung City and is one of the sub-districts in West Bandung Regency and has steep topography in several locations, giving rise to the potential for landslides. The eastern region is part of the Lembang Fault which is still active in the North Bandung area. The potential for landslides related to the geological structure in this area can be identified by looking at the lineament patterns of the valleys, the presence of lithological offsets and others. The geological structure that developed in the Cisarua area was identified based on the results of analysis of satellite imagery data and the National Digital Elevation Model (DEMNAS) to identify the presence of geological structures and determine the direction of the dominant force. This study aims to determine the distribution of potential landslides in the Cisarua area using the Fault Fracture Density (FFD) method. Linearity analysis is estimated using the Fault Fracture Density (FFD) method. This method produces an analysis based on the straightness of the ridges and valleys around Cisarua which is then processed using a rosette diagram and interpreted as the dominant lineament trending west-east and northeast- southwest, this dominant lineament corresponds to the direction of the Lembang Fault. The lineament density level value describes a weak zone in the rock which creates the potential for landslide hazard. The weak zone in red indicates that the study area has a high landslide hazard potential, which is red, and the light green color indicates that the study area has a low landslide hazard potential. The potential for landslides in the study area is spread more in areas close to regional geological structures such as faults when compared to other areas. This pattern indicates that the presence of geological structures has an influence on the occurrence of landslides in potential areas.
TTGO LORA ESP32: SOLUSI NIRKABEL UNTUK PROTOTIPE PENGENDALIAN PENGINJEKSI ARUS PADA METODE GEOLISTRIK Nurpadillah, Sifa; Susanto, Kusnahadi; Mukhtar, Husneni; Cahyadi, Willy Anugrah; Ikhsan, Akhmad Fauzi; Nurdin, Agung Ihwan; Razzak, Taufiq Abdul; Rahmawati, Dien
TEKTRIKA Vol 8 No 2 (2023): TEKTRIKA Vol.8 No.2 2023
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/tektrika.v8i2.6864

Abstract

Rock resistivity properties obtained using the geo-electric method are used to estimate subsurface soil structures and rock types in geophysical exploration. The data collection process using this geoelectrical method is often carried out in remote areas by installing current electrodes (AB) and potential electrodes (MN) up to 1.5 km away. The success of exploration is highly dependent on the current injection source used. The greater the current used, the deeper exploration that can be carried out. However, the required distance between AB and MN electrodes is getting further and the ABMN electrodes are connected by a cable. This causes the process of collecting data at further distances of electrodes to become more complex. This study discusses a current source prototype for geo-electric methods that can communicate wirelessly with TTGO LoRa ESP32 as a controller. This prototype provides three injection power options: full, medium, and low. Current injection is carried out on a dummy resistor, which acts as earth. When injecting current into the dummy resistor, current measurements obtained using the INA219 sensor gave very consistent measurement results because it had a relative error of < 1% (on 50 ? and 300 ? dummy resistors). When measuring a current of 0.0066 A, the relative error increases to 1.5%. But it still shows good consistency in the INA219 measurement results. In addition, the MAPE for all measurements is within < 10%, which means that the INA219 readings provide excellent results. Key Words: current injector, geo-electrical, INA219, voltage divider, TTGO LoRa.
E-Growth Monitoring System (EGMS) sebagai Upaya Penurunan Prevalensi Stunting MUKHTAR, HUSNENI; SUSANTI, HESTY; CAHYADI, WILLY ANUGRAH; RAHMAWATI, DIEN; MUTTAQIEN, TEUKU ZULKARNAIN; SUDIYONO, OOY ARIE; SUSANTO, KUSNAHADI; SETIYADI, SUTO; GERALDI, ARIK; PUJIRAHARJO, YOGA; SARI, SHEIZI PRISTA; SARI, EKA AFRIMA; YUDIARTI, DIENA
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 10, No 4: Published October 2022
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v10i4.903

Abstract

ABSTRAKPemerintah Indonesia melalui Stranas Percepatan Pencegahan Anak Kerdil (stunting) 2018-2024 memprioritaskan pencegahan dan penurunan prevalensi stunting dengan menyasar berbagai penyebab langsung dan tidak langsung yang memerlukan kerjasama dan koordinasi lintas sektor di seluruh tingkatan pemerintah, swasta, dunia usaha dan masyarakat, terutama di Posyandu. EGrowth Monitoring System (EGMS) yang dirancang ini berfungsi untuk mengukur tumbuh kembang bayi dan balita, terutama mendeteksi terjadinya stunting dan gizi buruk sejak dini agar dapat dilakukan upaya perbaikan secara tepat. Implementasi produk inovasi ini menggunakan sensor ultrasonik dan load cell untuk mengukur tinggi badan dan berat badan bayi dan balita, di mana rentang error pembacaan sensor-sensor tersebut secara berturut-turut adalah 0,01 – 4,36% dan 0,00 – 1,43%.Kata kunci: stunting, e-growth monitoring system, berat badan, tinggi badan, posyandu ABSTRACTIndonesian government, through National Strategy for Preventing Child Stunting 2018-2024, prioritize both prevention and reduction of stunting prevalence by targeting the causes. It requires inter-sector coordinations between government, private companies, businesses, and citizens, especially in local clinics. E-Growth Monitoring System (EGMS) is proposed to measure the growth of infant and toddler, specifically to detect a possible stunting and bad nutrition as early as possible in order to devise an improvement effectively. The implementation of this innovation employs the use of both ultrasonic sensor and load cell to measure the body height and weight of infant and toddler. Its expected margin of error for the sensors are 0.01 – 4.36% and 0.00 – 1.43% for ultrasonic sensor and load cell, respectively.Keywords: stunting, e-growth monitoring system, weight, height, posyandu
Integrasi Digital Marketing dan Community-Based Tourism dalam Pengembangan Agrowisata di Desa Warjabakti Kabupaten Bandung Susanti, Hesty; Rahmawati, Dien; Mukhtar, Husneni; Wibowo, Suryo Adhi; Priharti, Wahmisari; Cahyadi, Willy Anugrah; Nugroho, Bambang Setia; Aziz, Burhanuddin; Susanto, Kusnahadi
SWAGATI : Journal of Community Service Vol. 2 No. 2 (2024): July
Publisher : Universitas AMIKOM Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24076/swagati.2024v2i2.1095

Abstract

Warjabakti Village has various agro-tourism potentials that have not been managed properly, namely in the form of a charming natural scenery, natural conditions that are still maintained, and cool air. The problems faced are the need for more exposure to technology, the unavailability of supporting facilities and infrastructure, and the absence of groups capable of coordinating these potentials. This community service aims to develop a community-based tourism system by integrating digital marketing technology to empower target communities. The results achieved from this community service activity are the formation of Pokdarwis, which have been legally approved by the village government and will oversee the management of the tourism village in Warjabakti Village with governance that the team and partners have made. In addition, the e-digital map and the Haruman Tourism Village website have been produced. This website contains village content and branding that displays attractive village information, videos, and animations that have been structured and integrated, as well as a complete and attractive e-digital map of tourist areas.
Geophysical Investigation of Buried Small Fault Beneath Western Mount Malabar Using Electrical Resistivity Tomography in The Great Bandung Basin Rim Susanto, Kusnahadi; Harja, Asep; Ma’arif, Farham Rezqi; Mukhtar, Husneni
Indonesian Journal on Geoscience Vol. 11 No. 3 (2024)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.11.3.409-421

Abstract

This article presents the discovery of a buried fault beneath the soil layers in the Mt Malabar area, which complements the information on suspected faults on the previous geological maps. Using an Electrical Resistivity Tomography (ERT) method, this study aims to delineate the layer discontinuity as a fault and describe the subsurface geology. This study employed a 1400 m long ERT line as the main line to identify buried fault traces, while each ERT line has an 800 m long installation across the main ERT line to obtain the direction of the minor fault. The investigation found a minor fault in the rock layer at a high resistivity layer, approximately 160 m below the surface. The identified rock units are believed to include sandy clay in the upper layer, followed by tuff, sandstone, and basalt lava in the lower layer because its resistivity value is above 250 Ohm.m. The 3D ERT model interpreted a minor buried fault as a weak zone beneath the soil and obtained the fault strike at approximately N 310°E and dipping 66°. Furthermore, these results are strengthened by the geological map, which confirms that ERT L-1 and ERT L-3 profiles coincide with a suspected fault in the Qmt rock unit area.
INVESTIGASI LAPISAN BATUAN KAWASAN PENDIDIKAN UNIVERSITAS PADJADJARAN JATINANGOR BAGIAN UTARA BERDASARKAN ELECTRICAL RESISTIVITY TOMOGRAPHY (ERT) Susanto, Kusnahadi; Azzam, Muhammad Zharfan; Syarafina, Zhafirah Nurul; Kirana, Kartika Hajar; Dharmawan, Irwan Ary; Harja, Asep
Bulletin of Scientific Contribution Vol 21, No 2 (2023): Bulletin of Scientific Contribution : GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/bsc.v21i2.48042

Abstract

Pemeriksaan lapisan batuan serta kondisi bawah permukaan memegang peran yang sangat penting dalam upaya pemanfaatan lahan, baik untuk mendukung infrastruktur diatasnya maupun pemanfaatan sumber daya alam yang terkandung didalamnya. Pemanfaatan lahan berhubungan erat dengan pengembangan infrastruktur yang direncanakan. Agar dapat mengurangi risiko potensial dari bencana, penting untuk memperhatikan kualitas dan kemampuan dukungan lahan yang diperlukan. Artikel ini mengulas tentang hasil studi mengenai identifikasi lapisan batuan yang dilakukan kampus Universitas Padjadjaran Jatinangor di bagian utara. Metode yang digunakan dalam penelitian ini adalah metode Electrical Resistivity Tomography (ERT) karena merupakan metode yang memiliki resolusi yang baik dalam pengukuran geofisika dangkal. Data yang dihasilkan dari pengukuran ini adalah penampang kontras resistivitas tanah dan batuan yang berasosiasi pada berbagai aspek seperti kandungan air dalam pori, jenis batuan serta struktur bawah permukaan. Pengukuran ERT dilakukan dengan membuat 11 lintasan baik yang saling memotong maupun saling sejajar. Hasil pengukuran geolistrik resistivitas di daerah penelitian ini menunjukkan variasi kontras tahanan jenis batuan mulai dari 0,5 Ωmeter sampai lebih dari 500 Ωmeter, namun demikian dalam interpretasi yang kami lakukan, rentang nilai tersebut dibagi menjadi beberapa rentang kategori yang disesuaikan dengan maksud penelitian serta kondisi lapangan yang sedang diteliti. Hasil interpretasi terhadap data resistivitas memunculkan informasi dugaan tiga lapisan batuan di antara kedalaman 0 sampai dengan 70 dan struktur patahan minor di sekitar daerah penelitian.  
Co-Authors Achmad Rizal Ahmad Zaenudin Aliyan, Silmi Afina Asep Harja Asep Purnama Aziz, Burhanuddin Azzam, Muhammad Zharfan Bambang Setia Nugroho Dien Rahmawati Diena Yudiarti Dini Fitriani Eka Afrima Sari Evi Fazriati Fitria Hapsari Puteri Sumanto GERALDI, ARIK Gian Agistian Algifari Hesty Susanti Husneni Mukhtar Ihsan, Haikal Muhammad Ikhsan, Akhmad Fauzi Irene Siti Amilah Muslimah Irwan Ary Dharmawan Kartika Hajar Kirana Ma’arif, Farham Rezqi Muhammad Wahyudin, Muhammad Nurdin, Agung Ihwan Pamungkas, Totok Doyo Putri Aprilia Ayesha Razzak, Taufiq Abdul Sasti Dwi Tungga Dewi, Sasti Dwi Tungga Sheizi Prista Sari Sifa Nurpadillah Silmi Afina Aliyan Siska Pratiwi SUDIYONO, OOY ARIE Suryo Adhi Wibowo Suto Setiyadi Syarafina, Zhafirah Nurul Teuku Zulkarnain Muttaqien Totok Doyo Pamungkas WAHJU GUNAWAN Wahmisari Priharti Willy Anugrah Cahyadi Yanti Rubiyanti Yoga Pujiraharjo Yudi Rosandi Zahra Inatsa Hauna, Zahra Inatsa