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2nd International Conference on Disaster and Management 2020, ICDM 2020

作者： Saputra, P.D. Rahmawati, C. Purnomo, K.S.H. Larosa, E. Nurhasanah Military Building Construction Engineering Study Program Faculty of Military Engineering Indonesia Defense University Bogor Indonesia Industrial Engineering Department Faculty of Industrial Technology Universitas Dirgantara Marsekal Suryadarma Jakarta Indonesia Master of Management Program Universitas Teknologi Yogyakarta Yogyakarta Indonesia Mechanical Engineering Education Faculty of Teacher Training and Education Universitas Negeri Yogyakarta Yogyakarta Indonesia Civil Engineering Study Program School of Engineering and Technology Tanri Abeng University Jakarta Indonesia

There are so many areas in Indonesia that are prone to landslides. Bogor is the regency with the most frequent landslides. Therefore, high community preparedness is needed to deal with the landslide, especially at the household level because it is the spearhead of preparedness and influence disaster risk. The objective of this research is to measure and analyze the level of household preparedness for facing landslide. The location of this research is in Cibadak Village, Bogor regency where a landslide disaster had happened. This is a quantitative research. The number of the samples were 100 household. Data collection was done by surveying samples and distributing questionnaires. The data would be analyzed with descriptive analysis, and the results of level of household preparedness would be categorized to five levels which were very prepared (80-100), prepared (65-79), almost prepared (55-64), less prepared (40-54), and not prepared (0-39). The results of the research are the average index value of Knowledge and Attitude (KA) parameter is 66.77, Emergency Planning (EP) parameter is 52.24, Warning System (WS) parameter is 64.80, Resources Mobilization Capacity (RMC) parameter is 51.25 and the level of household preparedness for facing landslide is 59.26 or and it is significant at the almost prepared level. © Published under licence by IOP Publishing Ltd.

关键词： Landslides

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Vibration problem due to railway loading 1

Vibration problem due to railway loading

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1st Universitas Lampung International Conference on Science, Technology and Environment, ULICOSTE 2020

作者： Alami, F. Afriani, L. Faculty of Engineering University of Lampung Bandar Lampung Indonesia Postgraduated Student of Study Program of Environmental Science University of Lampung Bandar Lampung Indonesia

Train is one of transportation mode is increasingly polular in Indonesia nowdays, although in developed countries this transportation has long been a very advanced mode of mass transportation. Problems due to railroad tracks adjacent to densely populated settlements cannot be avoided. Problems such as noise levels can interfere with the health and comfort of the environment, vibrations in the surrounding environment due to passing trains cause some damage to civilian buildings such as residents' houses and high rise buildings as well. This field study shows the potential problem due to mass train loading (Babaranjang) in Bandar Lampung. © Published under licence by IOP Publishing Ltd.

关键词： Mass transportation

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Removal of total dissolved solids from oil-field-produced water using ceramic adsorbents integrated with reverse osmosis

Removal of total dissolved solids from oil-field-produced wa...

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3rd International Conference on Chemical engineering and Applied Sciences, ICChEAS 2022

作者： Herawati, Netty Hatta Dahlan, Muhammad Yusuf, Maulana Iqbal, Maulid M. Ahmad Roni, Kiagus Nasir, Subriyer Doctoral Engineering Program Faculty of Engineering Universitas Sriwijaya Jl. Srijaya Negara Palembang30139 Indonesia Chemical Engineering Department Faculty of Engineering Universitas Sriwijaya Jl. Raya-Palembang Prabumulih Ogan Ilir30662 Indonesia Mining Engineering Department Faculty of Engineering Universitas Sriwijaya Jl. Raya-Palembang Prabumulih Ogan Ilir30662 Indonesia Civil Engineering Department Faculty of Engineering Universitas Sriwijaya Jl. Raya-Palembang Prabumulih Ogan Ilir30662 Indonesia Chemical Engineering Study Program Faculty of Engineering Universitas Muhammadiyah Palembang Jl. Jend. A. Yani 13 Ulu Plaju Palembang30137 Indonesia

Total dissolved solids (TDS) consisting of inorganic salts and organic matter are pollutants to the aquatic and water systems for human use. This paper studied the effect of ceramic adsorbent composition on improving the quality of the produced water (PW) by decreasing TDS before entering reverse osmosis (RO). Manufacturing ceramic adsorbents use a mixture of spent catalysts of residues catalytic cracking (RCC) and natural clay in various compositions. Experiments were performed using the PW from one oil and gas company in South Sumatra, Indonesia. The initial characterization of produced water contains total dissolved solids of 14,556 mg/L. The flow rate of PW into the ceramic adsorbent column were varied from 6 to 8 L/min at a contact time of 15 to 120 min. The results showed that ceramic adsorbent A (diameter 10 mm and thickness 10 mm, 70% clay, and 30% RCC) reduced TDS by 74.58%. Adsorbent B (diameter of 20 mm and thickness of 10 mm, 70% RCC and 30% clay) lowers TDS by 56.68% at a flow rate of 6 L/min and a contact time of 60 min. Adsorbent C (diameter of 10 mm and thickness of 10 mm, 30% clay, and 70% RCC) reduced TDS by 59.40% at a flow rate of 6 L/min and a flow time of 60 min. Adsorbent D (diameter of 20 mm, thickness of 10 mm, 30% clay, and 70% RCC) lowers TDS by 54.38% at a flow rate of 6 L/ min and a contact time of 60 min. After being transferred into the adsorption column, their filtrates were sent into the Reverse Osmosis (RO) membrane. The final permeates of RO have TDS values between 1,720 mg/L to 3,930 mg/L that met water standards for oil and gas exploration wastewater in Indonesia. © 2023 Elsevier Ltd. All rights reserved.

关键词： Produced Water

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Delineation of flash flood hazard zones based on morphometric parameters using GIS technique in upper Lematang sub-watershed 2

Delineation of flash flood hazard zones based on morphometri...

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2nd International Conference on Disaster and Management 2020, ICDM 2020

作者： Dinata, A. Dhiniati, F. Diansari, L.E. Civil Engineering Study Program College of Technology Pagaralam 75 Masik Siagim Street Pagar Alam City South Sumatera31521 Indonesia

The hilly and mountainous topography with high annual rainfall triggered a flash flood in the upper Lematang sub-watershed. The impact caused not only damaged infrastructure, agriculture land, and even fatalities. This research aimed to conduct flash flood hazard zoning based on morphometric parameters using the GIS technique. By extracting the DEM data, it is generated to a slope map, flow direction, flow accumulation, stream order, and watershed boundary. The data were then evaluated to obtain the morphometric parameters. Parameters analyzed using the PCA approach to get the correlation between parameters related to flash flood hazards. Of the 12 parameters, the KMO value is 0.66, and a significant level is 0.001 1, and the cumulative percentage of the two factors was able to explain data variations of 87.49%. Finally, using 12 parameters, the upper Lematang sub-watershed area had 48.79% very-high hazard zones of a flash flood, 16.48% high zones, 20.28% moderate zones, and 0.97% low zones, and 13.48% very-low zones. The results of this study can be used in mitigation activities as well as for integrated watershed management. © Published under licence by IOP Publishing Ltd.

关键词： Watersheds

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Partial observation can induce mechanistic mismatches in data-constrained models of neural dynamics 24

Partial observation can induce mechanistic mismatches in dat...

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Proceedings of the 38th International Conference on Neural Information Processing Systems

作者： William Qian Jacob A. Zavatone-Veth Benjamin S. Ruben Cengiz Pehlevan Biophysics Graduate Program and Kempner Institute for the Study of Natural and Artificial Intelligence Harvard University Cambridge MA John A. Paulson School of Engineering and Applied Sciences and Center for Brain Science Harvard University and Department of Physics Harvard University Cambridge MA Biophysics Graduate Program Harvard University Cambridge MA Kempner Institute for the Study of Natural and Artificial Intelligence and John A. Paulson School of Engineering and Applied Sciences and Center for Brain Science Harvard University Cambridge MA

ISBN: (纸本)9798331314385

One of the central goals of neuroscience is to gain a mechanistic understanding of how the dynamics of neural circuits give rise to their observed function. A popular approach towards this end is to train recurrent neural networks (RNNs) to reproduce experimental recordings of neural activity. These trained RNNs are then treated as surrogate models of biological neural circuits, whose properties can be dissected via dynamical systems analysis. How reliable are the mechanistic insights derived from this procedure? While recent advances in population-level recording technologies have allowed simultaneous recording of up to tens of thousands of neurons, this represents only a tiny fraction of most cortical circuits. Here we show that observing only a subset of neurons in a circuit can create mechanistic mismatches between a simulated teacher network and a data-constrained student, even when the two networks have matching single-unit dynamics. In particular, partial observation of models of low-dimensional cortical dynamics based on functionally feedforward or low-rank connectivity can lead to surrogate models with spurious attractor structure. Our results illustrate the challenges inherent in accurately uncovering neural mechanisms from single-trial data, and suggest the need for new methods of validating data-constrained models for neural dynamics.

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Twenty years of e-learning in health science: A bibliometric

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Procedia Computer Science 2023年 216卷 604-612页

作者： Fairuz Iqbal Maulana M. Aldiki Febriantono Dwi Risza Budi Raharja Khaeruddin Ridho Herasmara Computer Science Department School of Computer Science Bina Nusantara University Jakarta 11480 Indonesia Diploma III Electronic Technology Vocational Study Program University of Muhammadiyah Malang Indonesia Electrical Engineering Faculty of Science and Technology Raden Rahmat Islamic University Malang Indonesia

Education about health sciences has historically been limited in the curriculum of health professionals and largely inaccessible to the public. In practice, most of the health science education is still running conventionally. Supposedly with the advancement of technology and the use of the internet everywhere, learning such as e-learning can be important, especially in the health sector. Until this research was conducted, only 514 academic documents about e-learning in health sciences were found for 20 years from 2001 to 2020, obtained in searching on the Scopus database. This study presents a comprehensive overview of studies related to E-learning in the Health Sciences sector. This study uses bibliometric analysis and indexed digital methods to map scientific publications throughout the world. This research employs the Scopus database to gather information, as well as the Scopus online analysis tool and Vosviewer to show the bibliometric network. The method consists with five stages: determining search keywords, initial search results, refinement of search results, initial compilation, and data analysis. Among the most published and indexed articles by Scopus, papers published by researchers in the United States have the highest number of publications (80), followed by United Kingdom (63) and Australia with 45 academic publications. The processed data shows the pattern and trend of increasing the number of international publications in E-learning in Health Sciences field, which Scopus index.

关键词： e-learning health science bibliometric vosviewer education

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ML-Agents in Kart Racing Game using Microgame

ML-Agents in Kart Racing Game using Microgame

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International Conference on Telecommunication Systems, Services, and Applications (TSSA)

作者： Afina Anfa Ana Vitradisa Pratama Agus Sukoco Ary Setijadi Prihatmanto Rin Rin Nurmalasari Agus Juhana School of Electrical Engineering and Informatics Institut Teknologi Bandung Bandung Indonesia Departement of Informatics Universitas Mayasari Bakti Tasikmalaya Indonesia Department of Electrical Engineering UIN Sunan Gunung Djati Bandung Indonesia Multimedia Education Study Program Universitas Pendidikan Indonesia Bandung Indonesia

This paper presents an innovative approach to integrating ML-Agents into a microgame-based kart racing environment, showcasing the potential for enhancing gameplay experiences through AI-driven opponents. Kart Unity Game is a racing game that uses small motorized vehicles but still uses the concept of racing in the real world. One of the racing game development platforms is Unity. Unity has developed a platform, Unity Karting Microgame, which users can modify. Unity Karting Microgame applies self-driving to ML-Agents trained and designed to drive their karts with suitable sensors and actuators. The method used to develop the game is to modify the racetrack and modify ML-Agents to make the game more exciting and fun. As a result of this study, successful implementation of ML-Agents in a microgame-based kart racing environment. The study highlights the potential of using Unity ML-Agents to create AI-driven opponents that enrich gameplay experiences. Games can run well and seem varied. ML-Agents can also control their karts on their lanes. Thus, kart racing games can be implemented.

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Telematics and Its Multimedia Applications: A Bibliometric Evaluation Over the Last Two Decades and a Half

Telematics and Its Multimedia Applications: A Bibliometric E...

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International Conference on Wireless and Telematics (ICWT)

作者： Agus Juhana Rin Rin Nurmalasari Nurhidayatulloh Nurhidayatulloh Aprellia Anggraeni Ayung Candra Padmasari Maya Purnama Sari Multimedia Education Study Program Universitas Pendidikan Indonesia Bandung Indonesia Department of Electrical Engineering UIN Sunan Gunung Djati Bandung Indonesia Faculty of Technology and Vocational Education Universitas Pendidikan Indonesia Bandung Indonesia

The development of telematics technology is increasing rapidly and this capability is supported by multimedia devices or even telematics that supports the development of multimedia itself. For instance, in the configuration of telematics with websites to control air traffic with a voice communication system, multimedia applications serve as devices for monitoring the use of this technology. Consider the research trends, this study aims to evaluate the current development and trends of research on telematics and its multimedia applications through bibliometric analysis over the last two decades and a half (1999–2023). Several publication characteristics were analyzed, including the most cited articles in this field. This study uses data from the Scopus database to evaluate the productivity, impact, countries, research institutions, authors, and research performance of journals based on the impact factor, citation counts, and h-index. According to the result, the annual number of publications on this topic fluctuates but tends to increase, with Germany being the most prolific country producing articles in this field. Additionally, the most researched telematics and its multimedia applications and most cited lists offer insight into the future. This is the first study to use bibliometric analysis to evaluate research on telematics and its multimedia applications and is expected to be useful for telematics researchers by identifying potential research directions. In addition, this research serves as a valuable resource for future researchers and practitioners. However, improvements can be made by incorporating additional analysis, such as content analysis.

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Analysis of Six-spoked Asterisk Slot CPW Antenna for Wireless Communication Systems

Analysis of Six-spoked Asterisk Slot CPW Antenna for Wireles...

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International Conference on Wireless and Telematics (ICWT)

作者： Hafizha Silmi Nur Rahkmi Nurul Fahmi Arief Hakim Enjang Akhmad Juanda Azwar Mudzakkir Ridwan Mariya Al Qibtiya Heri Gunawan Dept. of Electrical Eng. Education Universitas Pendidikan Indonesia Bandung Indonesia Dept. of Electrical Engineering UIN Sunan Gunung Djati Bandung Indonesia Indonesian Tadris Study Program UIN Sunan Gunung Djati Bandung Indonesia

Coplanar waveguide (CPW) antennas are widely used in wireless communication systems because they can be easily integrated with microwave circuits. This article describes a method for improving the performance of CPW antennas by incorporating a slot into the patch design. The antenna was fabricated on an FR4 substrate with dimensions of 43 mm x 40 mm and a thickness of 1.6 mm. The patch section of the antenna was modified by incorporating a slot. The size and shape of the slot were adjusted to achieve optimal performance. The most effective modified design was then fabricated and its properties were measured. The fabricated antenna exhibited an operational frequency range of 2.24 GHz to 7.30 GHz. It also had an omnidirectional radiation pattern and a maximum gain of 5.825 dB.

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Simulation of the potential for a hybrid power plant in a Puri Indah Permai Residence using HOMER software

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AIP Conference Proceedings 2024年第1期3140卷

作者： Ahmad Rosyid Idris Ahmad Rizal Sultan Sarma Thaha Ilham Ababil Ahmad Electrical Engineering Study Program Department of Electrical Engineering Politeknik Negeri Ujung Pandang Makassar Indonesia

Population growth and improvements in people’s lifestyles encourage increased consumption of electrical energy. Fossil energy as a fuel for providing electricity has very limited availability so a transition to renewable energy is needed. One area that can be an alternative to renewable energy is the Puri Indah Permai residence in South Sulawesi with quite good sun intensity and wind speed. This research aims to find out the amount of electrical energy that can be produced from a hybrid power plant at the Puri Indah Permai housing complex, to find out the amount of costs required to produce each kWh of electricity, to find out the comparison of production costs from the hybrid power plant at the Puri Indah Permai residence to the tariff. basic electricity PT. PLN and to find out the investment costs for a hybrid power plant in the Puri Indah Permai housing complex. This research uses simulations using Homer software version 3.14.2. It can be concluded that the electrical energy that can be produced on a land area of 100,000 m2 for scenario 1 is 1,574,030 kWh/yr and for scenario 2 is 1,328,351 kWh/yr., the energy production cost for each kWh of electricity is Rp. 3600 for scenario 1 and scenario 2 of Rp. 1356. The comparison of hybrid energy production with PLN’s basic electricity tariff is 1:2.66 for scenario 1 and scenario 2 is 1:1.13. The investment cost for this power generation system for scenario 1 is Rp. 7.54 billion and scenario 2 amounting to Rp. 24.10 billion.

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