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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) JURNAL PENELITIAN ILMU PENDIDIKAN Urania Jurnal Ilmiah Daur Bahan Bakar Nuklir Bulletin of Electrical Engineering and Informatics Dinamika : Jurnal Teknik Mesin REKAYASA Bioeksperimen: Jurnal Penelitian Biologi Journal of Economic, Bussines and Accounting (COSTING) Jurnal Aplikasi Teknik Sipil JISIP: Jurnal Ilmu Sosial dan Pendidikan Jurnal Perawat Indonesia TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol EBBANK: Jurnal Ilmiah Bidang Ekonomi, Bisnis dan Perbankan JIFA (Journal of Islamic Finance and Accounting) Indonesian Physical Review Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Journal of Robotics and Control (JRC) Jurnal Elkolind : Jurnal Elektronika dan Otomasi Industri Jurnal Abdi: Media Pengabdian Kepada Masyarakat Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Mesin Nusantara Jurnal Ilmiah Wahana Pendidikan Epistema Daengku: Journal of Humanities and Social Sciences Innovation Journal of Community Development and Disaster Management AKADEMIK: Jurnal Mahasiswa Humanis Journal of Mechanical and Electrical Technology Economic Reviews Journal Sewagati Jurnal PERKUSI: Pemasaran, Keuangan dan Sumber Daya Manusia Journal Integration of Social Studies and Business Development Jurnal Serambi Ekonomi dan Bisnis Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Kohesi: Jurnal Sains dan Teknologi Jurnal Multidisiplin Indonesia Jurnal Pengabdian Fakultas Pertanian Universitas Lampung PRIMER: Jurnal Ilmiah Multidisiplin Journal of Economics and Management Dharma: Jurnal Pengabdian Masyarakat International Journal of Social Science and Community Service Jurnal Geosaintek Tanah Goyang: Jurnal Geosains Tanah Goyang : Journal of Geoscience JIFA (Journal of Islamic Finance and Accounting)
Sungkono Sungkono
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DETERMINATION OF RUPTURE DIRECTIVITY USING THE LEVENBERG-MARQUARDT ALGORITHM: A CASE STUDY PHILIPPINE EARTHQUAKE (15 DECEMBER 2019 M_w 6.8) Fahmi, Muhammad Nurul; Sungkono, Sungkono; Madlazim, Madlazim
Indonesian Physical Review Vol. 6 No. 1 (2023)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v6i1.199

Abstract

Earthquake source mechanisms are used to determine local geological characteristics and hazard mitigation. There are several approaches to determine the mechanism of earthquake. In this paper, the relative time of the rupture duration is applied to determine rupture directivity. In determining rupture directivity, the Levenberg-Marquardt (LM) method is proposed to solve the inversion problem. To test the reliability of this method, teleseismic data with an epicentral distance of 40o from the Philippine earthquake on 15 December 2019  6.8, which had a good seismic station distribution with a total of 35 stations, is used. Telesismic data from each station is filtered in the range of 0.25 to 1 Hz to obtain an accurate rupture duration. Furthermore, the rupture duration data set was inverted using the LM method to obtain the direction of earthquake rupture. The results obtained by the curve fitting using the LM method had a good agreement between the observed data and the calculated data. From the curve fitting results, the rupture propagated in the NW direction with azimuth 320.60o ± 2.30o, and this had the same results from previous studies. Therefore, from rupture directivity, the actual fault plane of this earthquake was NP1 which had a strike/dip/rake value of 321o/75o/13o, respectively. The results indicate that the Philippines earthquake of 15 December 2019 had the SE-NW fault orientation, which is part of the Cotabato fault system. The implication of this research is for a preliminary study related to the characteristics of earthquake rupture in areas that have a high level of seismicity. Thus, local residents can avoid areas where ruptures propagate when carrying out earthquake mitigation.
Analisis Potensi Likuifaksi dan Perencanaan Perbaikan Tanah pada Bangunan Pemecah Gelombang di Wilayah Pantai Bali Selatan Muntaha, Moh.; Ralindra, Deris Faisa; Maharani, Nadia Zhafirah; Mawardi, Amalia Firdaus; SUngkono, Sungkono; Sumirman, Edy; Rahardjo, Ibnu Pudji; Affandhie, R Buyung Anugraha; Prayitno, Achmad Faiz Hadi
Jurnal Aplikasi Teknik Sipil Vol 21, No 4 (2023)
Publisher : Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j2579-891X.v21i4.16440

Abstract

Liquefaction is the condition of the soil that loses shear strength due to an earthquake, so the capacity of the soil decreases suddenly. Liquefaction occurs in water-saturated sand soils, such as in breakwater of South Bali coast with the magnitude earthquake of 6.8 based on BMKG data in 2011. This condition allows liquefaction to occur under the breakwater. This study aims to identify the potential and thickness of the liquefaction layer based on the N-SPT value at 4 bore hole using 3 methods, namely the Seed-Idriss method, the NCEER method, and the Tokimatsu-Yoshimi method, and design ground improvement with vibro compaction to overcome liquefaction problems. Based on the results of 3 methods analysis, the potential for liquefaction occurred in all bore hole zones with a thickness of 5 to 9 m from the ground surface. The ground improvement design uses vibro compaction with a triangular pattern, spacing 2.1 m. Ground improvement increases the liquefaction FS value, so the potential for liquefaction in all bore hole zones does not occur
A Review of Enforcement of Military Discipline Law to Establish Professionalism of the National Army to Strengthen National Security and Resilience Sungkono, Sungkono; Setyo, Amin; Suryokumoro, Herman; Kusumaningrum, Adi
Rekayasa Vol 17, No 1: April, 2024
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v17i1.24653

Abstract

AbstractLaw enforcement practices in the military environment are still not in line with sectoral egos. Law enforcement has not been able to guarantee substantive order, truth and justice. When carrying out law enforcement in the military environment, it should not only refer to normative legal rules, but what needs to be done more is to make legal breakthroughs that are more effective and efficient. The discipline of a soldier is an absolute thing that is inseparable from his duty to maintain the security of the Unitary State of the Republic of Indonesia. This study analyzes contemporary forms of threats related to security and resilience and explains the similarities and differences in national resilience studies which aim to realize a national security system and develop national security systems in other countries. This research is normative juridical research, using a statutory approach, conceptual approach, and analytical techniques in the form of grammatical interpretation and systematic interpretation. This research explains that the forms of threats that occur in Indonesia include problems at the border, intolerance between ethnicities and between governments and religions, inequality in bureaucratic reform, inadequate law enforcement, and transnational crime. This research shows that national resilience and security are influenced by the professionalism of the Indonesian National Army. The safe conditions of a country cannot be separated from just security and defense but are in synergy with other factors, namely economics, politics, law, socio-culture, ideology, geography, demography and resources
Analisis Lingkungan Kerja dalam Meningkatkan Kinerja Pegawai pada Dinas Perindustrian dan Perdagangan Asyifa, Asyifa; Mulyadi, Dedi; Sungkono, Sungkono
Economic Reviews Journal Vol. 3 No. 3 (2024): Economic Reviews Journal
Publisher : Masyarakat Ekonomi Syariah Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56709/mrj.v3i3.318

Abstract

The purpose of the research is to analyze and find out the role of the work environment in strengthening employee performance in the Karawang industry and trade office, as well as to explore the problems and solutions that can benefit the organization. The method used in this study is a qualitative descriptive method, using triangulation techniques with observation methods, data sources and interviews. The population in this observation is all employees of the Karawang industry and trade office. The sample in this observation consisted of three informants: leaders, secretaries, and employee staff. The results of this study show that the data obtained from the observations and interviews about the work environment could be better because the employee service facilities are not complete. This can result in a decrease in employee performance achievement.
Analisis Kompetensi Sumber Daya Manusia (SDM) Kinerja Pegawai Pada Kantor Dinas Komunikasi dan Informatka Kabupaten Karawang Rahayu, Rizky Eva; Sungkono, Sungkono; Retnosary, Rieke
Jurnal Ilmiah Wahana Pendidikan Vol 10 No 8 (2024): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.11177516

Abstract

This research aims to look at human resource competency in the performance of employees in the Karawang Regency Communication and Information Service and provide suggestions and input to be used as a work evaluation by the agency. The analytical method used in this research is a qualitative descriptive method, that is, based on facts found in the field, then used as a hypothesis or theory to obtain in-depth data (actual and certain data). This research was carried out using data collection methods by observation and interviews with related parties. The data analysis method used is qualitative analysis using the interactive analysis model from Miles and Huberman which is divided into 4 major parts, namely data collection, data reduction, data presentation, drawing conclusions and verification. The results of the research show that the performance of Communication and Information Service employees does not yet have procedures that regulate human resource planning, so that employees have not carried out job descriptions in accordance with their respective competencies. Therefore, it is necessary to plan higher quality human resources by prospectively conducting employees so that they are able to create competencies according to work needs.
Effect of gamma radiation on semi-crystalline polyvinyl chloride polymer for low-voltage cable insulator Hutagaol, Antonio Gogo; Bayquni, Muhammad Ilham; Setiawan, Jan; Putranto, Dwi; Sudjadi, Usman; Sungkono, Sungkono; Kriswarini, Rosika; Masrukan, Masrukan; Yunus, Muhamad Yasin
Bulletin of Electrical Engineering and Informatics Vol 14, No 2: April 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i2.7940

Abstract

This study explores the properties of semi-crystalline polyvinyl chloride (PVC) polymer as insulation material for low-voltage (LV) cables under high gamma radiation exposure. Test samples underwent gamma radiation (60Co) at doses of 25, 50, 100, 200, 400, and 800 kGy. The evaluation encompassed surface morphology, electrical conductivity, thermal characteristics, and mechanical properties via tensile tests. Electron microscopy observation indicated surface smoothing and flattening occurred at an irradiation dose of 800 kGy. Gamma radiation with increasing doses results in similar thermogram profiles with slight differences in melting temperature and residue mass. The sample irradiated at a gamma dose of 25 kGy generates an increase in the percentage of crystallinity, indicating the occurrence of crosslinking, while other doses exhibit a decrease of crystallinity with increasing radiation dose. Tensile stress significantly dropped up to 400 kGy but increased at 800 kGy. Elongation at break (EAB) decreased with higher gamma radiation doses. Overall, materials up to 800 kGy remained non-brittle, serving as effective insulators and demonstrating thermal stability within high gamma radiation exposure conditions.
The Pemasangan Alat Kontrol Kelembaban Pada Usaha Budidaya Tanaman Anggrek Skala Kecil Sungkono, Sungkono; Nugrahanto, Nugrahanto; Putera, Zulmy Faqihuddin
Dharma: Jurnal Pengabdian Masyarakat Vol. 2 No. 2 (2022): Juni
Publisher : LPPPM STAI Darul Hikmah Bangkalan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35309/dharma.v2i2.22

Abstract

The installation of this equipment can help control the humidity process for orchid cultivation in small-scale greenhouses by entering the humidity values ​​that have been determined, with values ​​of  60%, 70%, and 80%. After that, it is processed by the ESP32 as the controller center, then the LCD (Liquid Crystal Display) will show the current humidity display, then the sensor (SHT11) will read the humidity value if the humidity setpoint is below a predetermined value then the motor is on and the nozzle is working, humidity has reached the desired setpoint then the motor will turn off and the nozzle will stop. The goal to be achieved is to maintain the humidity of orchids in the greenhouse so that it remains stable according to standards and regulations, because in this greenhouse,  to maintain plant humidity is a very crucial thing for orchid cultivation because at the time it was still using human power manually with a water hose. We developed this tool to keep the humidity steady by using a nozzle that makes it a mist of water. By using a system that runs automatically, making it easier for business actors to use this tool and has time efficiency. In its installation, the tool is able to generate humidity through the nozzle using a reference to increase the hysteresis value in the control circuit and get an output that oscillates in the setting point area so that the humidity rises according to the setting point, this is because the water misting process in the test conditions cannot be immediately lost, thus affecting the test results
Rancang Bangun Alat Pembersih Telur Asin Otomatis Berbasis Arduino Uno Untuk UMKM Di Kota Malang Nugrahanto, Indrawan; Sungkono, Sungkono; Arisandi, Bustomi
Dharma: Jurnal Pengabdian Masyarakat Vol. 2 No. 2 (2022): Juni
Publisher : LPPPM STAI Darul Hikmah Bangkalan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35309/dharma.v2i2.23

Abstract

a lot, almost 90% is on the Micro, Small and Medium Enterprises (MSME) scale. At the time of carrying out the mechanism of the salted egg cleaning process the majority still use the manual method and of course this takes quite a long time and is inefficiency of human labor. To overcome this problem, the author designed an automatic cleaning tool in order to speed up the manufacture of salted eggs, especially in the egg cleaning process. The system of this tool includes an Arduino Uno microcontroller module, a BTS7960 motor driver module, a two-channel relay module, a DC motor, a proximity sensor, a 16x2 LCD, a buzzer, an on/off switch, and a push button. With the initial step of entering the dirty egg then the egg will roll down through the egg brush, with a certain time that we have set up then the egg will go down into a special container for the second cleaning process, so that from the dirty egg due to the diffusion process, it will turn into a clean egg and ready to be sale in market. So that by using this tool we have an effective of time and labor efficiency.  
Pengaruh Program Pelatihan UMKM dalam Pemanfaatan Teknologi Digital terhadap Produktivitas UMKM Kerupuk Rajungan Desa Sukajaya, Cilamaya Kulon Anggraeni, Silvi; Sungkono, Sungkono; Retnosary, Rieke
AKADEMIK: Jurnal Mahasiswa Humanis Vol. 4 No. 2 (2024): AKADEMIK: Jurnal Mahasiswa Humanis
Publisher : Perhimpunan Sarjana Ekonomi dan Bisnis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37481/jmh.v4i2.882

Abstract

Based on observations, it is known that the main problem is the lack of a thorough understanding of sales technology that can increase the productivity of the crab crackers. This research intends to see if there is an effect of training on the utilization of digital technology on the productivity of umkm crab crackers in Sukajaya Village, Cilamaya Kulon. The total sample in the research was 93 people. Using quantitative method with simple linear regression analysis. According to observations, it is known that the case in the research is the lack of skills and understanding of digital technology that can increase productivity. based on the results of the simple linear regression test for productivity of 37.587%, based on the research conclusion shows that work learning has an absolute impact on the sales productivity of crab cracker MSMEs in Sukajaya Village, Cilamaya Kulon. Based on the results of the coefficient of determination (R2) value of 0.298, this case states that job training has an impact on productivity in the crab cracker SMEs of Sukajaya Village, Cilamaya Kulon Cilamaya Kulon as much as 29.8% while as much as 70.2% is influenced by other causes that are not tested. The conclusion of the research shows that training has an absolute effect on productivity.
Pendugaan Parameter Genetik dan Seleksi Galur Mutan Sorgum (Sorghum bicolor (L.) Moench) di Tanah Masam (Estimation of Genetic Parameters and Selection of Sorghum Mutant Lines under Acid Soil Stress Conditions) Sungkono, Sungkono; Trikoesoemaningtyas, Trikoesoemaningtyas; Wirnas, Desta; Sopandie, Didy; Human, Soeranto; Yudiarto, Muhammad Arif
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 37 No. 3 (2009): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (317.958 KB) | DOI: 10.24831/jai.v37i3.1238

Abstract

  Sorghum is one of high value commodities for food and energy security due to its wide adaptation. The objectives of this research were to study some genetic parameters of sorghum agronomic traits grown under acid soil conditions and to select aluminum-tolerant sorghum mutant lines.  The selection was conducted in an augmented design with 61 lines at the field research station of B2TP-BPPT Lampung. Genetic materials used were mutant lines developed throught gamma irradiation.  The results showed that there was significant differences among the mutant lines for  some agronomic characters observed.  The heritability estimates for agronomic characters were classified as intermediate to high.  Selection based on seed weight and biomass production resulted three best sorghum mutan lines i.e ZH30-29-07, ZH30-30-07, and ZH30-35-07.  These lines showed the best yield and biomass production under acid soil condition.   Key words:  sorghum, acid soil, heritability, selection
Co-Authors , Agustiansyah Achmadiyah, Mas Nurul Adam Adam Adi Kusumaningrum Affandhie, R Buyung Anugraha Affandhie, R. Buyung Anugrah Agus Pracoyo Agustiar, Evan Ahmad Syaifudin Akmaliyah, Siti Sa’adah Al Afghani, Fajar Al Azhar, Gillang Al Hafizh, Muhammad Diza Al-Azhar, Gillang Altania, Ega Ananda, Wibby Rizky Anggita Wulandari, Anggita Anggraeni, Silvi Antarika, Gde Yasa Ardian Ardian Arham, Muhammad ARIANTO, BASUKI Arisandi, Bustomi Ariyawan Agung Nugroho Arsyka, Tania Asyifa, Asyifa Atthariq Chrisna Subhan Baidhowy, Arief Shofyan BASUKI ARIANTO Bayquni, Bayquni Beauty Anggraheny Ikawanty Betharini, Nuke Christina Ismaniati Darmawan, Muhammad Sigit Dedi Mulyadi Desta Wirnas Dian Wahyuningsih Didy Sopandie Dwi Priyantoro Eko Budi Prasetyo, Eko Estu Miyarso Fahmi, Muhammad Nurul Fahrani, Elyn Faris Rahman Pamungkas Firdiawan Ekaputra Fitri Fitri Hakim, Mukhhammad Luqman Halimah, Nifta Noor HARI MOEKTIWIBOWO Herman Suryokumoro Hidayati, Rohmah Huda, 2A.M. Miftahul Husda, Baso Riadi Husin, Nur Achmad Hutagaol, Antonio Gogo Ihwanul Aziz Indrawan Nugrahanto, Indrawan Indriyani Indriyani isfandi, Isfandi Izza, Syarifatul Jan Setiawan Kadir, Muh. Ridha Ali Karnama, Maman Mulya Karnaman, Maman Kartaman Ajiriyanto, Maman Khoirunnisaa, Alfina khusnul khotimah Kukuh Setiawan Lestari, Rizca Tri Listiani Listiani Madlazim Madlazim Magdalena Putri Nugrahani Maharani, Nadia Zhafirah Mahmuddin Mahmuddin Mansur, Moh. Safi’i Masrukan Masrukan Mawardi, Amalia Firdaus Mayori, Ersha MOEKTIWIBOWO, HARI Muhammad Arif Yudiarto Muhammad Ibnu Sholeh Mulyadi , Dedi Mulyo Prabowo Muntaha, Moh. Mussoddaq, Mochamad N.S., Robby Ghfirly Pramudyo Novi Trilisiana Nugrahanto, Nugrahanto Nurwijayanti Paisal, Amir Prasetyo, Yusuf Eko Pratama, Rizky Wahyu Prayitno, Achmad Faiz Hadi Priyadi, Bambang Putera, Zulmy Faqihuddin Putranto, Dwi Putri, Salsabila Septiani Rahardjo, Ibnu Pudji Rahayu, Rizky Eva Ralindra, Deris Faisa Razzaq, Mochammad Farhan Abdul Retnosary, Rieke Ridho Bayuaji Rivaldi, Rizki Rizky, Adrian Rony, Zahara Tussoleha Rosika Kriswarini Rumayara, Abraham Bernadus Sanjaya, Purba Satriansyah, Muhammad Sebastian, Kevin Izza Sembiring, Rinawati Sendikadisnu, Isposari Septian, Bagas Arya Setyadi, Rafly Agam Setyo Dwi Utomo Setyo, Amin Shafar, A. Anugrah Shandy, Hairus Sidik Nurcahyo Sigit, Rohmad Singgih, Hariyadi Siradjuddin, Indrazno Soeranto Human Sri Ismarwanti, Sri Sudarmanto Jayanegara Sugiyanti, Slamet Sugiyanti, Slamet Suherman, Enjang Suminar, Dewi Ratna Sumirman, Edy Suparno Suparno Surtono, Arif Susintowati Susintowati, Susintowati Suwandi Suwandi Tri Mardji Atmono Trikoesoemaningtyas Tuti Herawati Usman Sudjadi Utomo, Mugi Satriyo Virgita, Vina Lingga W.TEDJA BHIRAWA Wicaksono, Iqbal Baihaqi Widana, I Dewa Ketut Kerta Widyaningrum, Yekti Wijaya, Gabriel Matius Wulandari, Dwi Ningtyas Yeli, Fitri Yudoprasetyo, Kohar Yulianti, Lastri Yulianto Yulianto Yunus, Muhamad Yasin Yuyun Tajunnisa Zain, Muhammad Ja'farullah