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2020 International Seminar on Intelligent Technology and Its Application, ISITIA 2020

作者： Djamari, Djati Wibowo Fikri, Muhamad Rausyan Mechanical Engineering Study Program Sampoerna University Jakarta Indonesia Information System Study Program Sampoerna University Jakarta Indonesia

ISBN: (纸本)9781728174136

This work studies formation control of Multi-Agent Systems (MASs) where its formation size is scalable via a scaling factor (scalable formation). Previous works on scalable formation are limited to either fixed undirected graph or fixed directed graph with p-rooted graph condition. This work proposes a novel distributed algorithm for scalable formation based on a distributed observer to estimate agents' positions. The novel algorithm results in a new matrix, a Laplacian matrix with additional diagonal terms, where the desired formation pattern is embedded in this diagonal terms. With the proposed algorithm, only spanning tree condition is needed as the necessary and sufficient condition to achieve the scalable formation. Numerical examples are shown to illustrate the proposed method. © 2020 IEEE.

关键词： Directed graphs

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Portable Monitoring Systems for Rivers Waste Based on Internet of Things 7

Portable Monitoring Systems for Rivers Waste Based on Intern...

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7th International Conference on Informatics and Computing, ICIC 2022

作者： Henderi Nasrullah, Mumammad Hudzaifah Nudiyah, Laura Belani Sunarya, Po Abas Sofiana, Sofa Setiyadi, Didik University of Raharja Informatics Tangerang Indonesia University of Raharja Management of Retail Study Program Tangerang Indonesia Pamulang University Faculty of Engineering Informatics Engineering Departement Tangerang Indonesia Universitas Indonesia Mandiri Infotmatics Faculty of Technolgy and Design Jakarta Indonesia

ISBN: (纸本)9798350345711

River pollution has become a severe problem in Indonesia. Industrial waste causes water pollution because the waste is not filtered before being discharged into the river. Illegal waste dumping cannot be prosecuted due to insufficient data and unknown disposal times. Therefore, a tool is needed to measure river water waste to measure polluted water waste data. Studies on river water monitoring devices have shown that there are no portable monitoring tools based on the internet of things for river water waste that follows regulatory standards from the Minister of Health. This study aims to produce a portable monitoring tool based on the internet of things for water waste. The system was developed using TDS sensors, turbidity, pH, MQ-135 sensors, and the system is equipped with a GPS module to indicate the location's latitude. The monitoring system is developed through the stages of system design, testing water samples, setting water quality standards and required hardware and components, setting river water quality parameters, and conducting system testing. The test results show that the system can send the data obtained to dashboard things via an internet connection, the TDS sensor error rate is 2.17%, the pH sensor error rate is 1.87%, the turbidity sensor error rate is 1.66%, the MQ135 sensor value is at the quality limit. The internet of things-based portable river waste monitoring system produced through this research helps related parties to identify and handle polluted rivers. Water according to the standards of the Ministry of Health, and the GPS module shows location measurements and information according to the location's latitude on google maps. © 2022 IEEE.

关键词： Internet of things

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Development of application Information System in Rhee District 1

Development of application Information System in Rhee Distri...

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1st Virtual Conference on engineering, Science and Technology, ViCEST 2020

作者： Esabella, Shinta Intan, Hikmawati Hidayatullah, Muhammad Andriani, Titi Gunawan, G. Informatics Department Faculty of Engineering Universitas Teknologi Sumbawa Indonesia Electrical Engineering Department Faculty of Engineering Universitas Teknologi Sumbawa Indonesia Physics Education Study Program Faculty of Teacher Training and Education Universitas Mataram Indonesia

Management of patient data at the Technical Implementation Unit of the Community Health Center (UPT. Puskesmas) of Rhee Sumbawa District has not been fully computerized. The need for the development of an Information System to store medical records (history) of patient data. The research aims to develop information systems with descriptive research methods. For software development methods using Waterfall Models and built with Microsoft Visual Studio C# software and databases stored in Microsoft SQL Server software. Software testing uses Black Box Testing, which is testing software in functional terms. The results of research into digital data technology products that function to enter, change, delete data and minimize the time to find the data needed to improve the effectiveness and efficiency of data management. © Published under licence by IOP Publishing Ltd.

关键词： Information management

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Observing Generator Performance by Finite Element Analysis Considering Coil Numbers

Observing Generator Performance by Finite Element Analysis C...

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Technology and Policy in Energy and Electric Power (ICT-PEP), International Conference on

作者： Muhammad Afnan Habibi Mochamad Farhan Ali Irfani Langlang Gumilar Arya Kusumawardana Aripriharta Angger Baskoro Study Program of Power Plant Engineering Technology Universitas Negeri Malang Malang Indonesia Department of Electrical Engineering and Informatics Universitas Negeri Malang Malang Indonesia Dept. Electrical Engineering and Computer Sciences National Yang Ming Chiao Tung University Hsinchu Taiwan

This paper conducts a comprehensive analysis of electrical generator performance using Finite Element Analysis (FEA), with a specific emphasis on the role of coil numbers in influencing generator efficiency and functionality. In the context of modern energy systems, where efficient power generation is paramount, this research aims to elucidate the relationship between the number of coils within a generator and its overall performance, including power output and electromagnetic behavior. Through systematic FEA simulations that vary coil numbers while keeping other parameters constant, this study provides valuable insights into the trade-offs associated with increased coil numbers and enhanced efficiency. These findings have significant implications for optimizing generator designs across various applications, from renewable energy systems to industrial power generation, ultimately advancing our understanding of generator dynamics and contributing to more sustainable and efficient power generation technologies.

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Transforming the power of load balancing: Mitigating transformer losses in electric power distribution systems

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AIP Conference Proceedings 2024年第1期3167卷

作者： Restu Mukti Utomo Muslimin Nur Rani Alham Ade Kurniawan Muhammad Jurdun Nur Afandi Umar Faruq Al-Afifi Faculty of Engineering Electrical Engineering Study Program Universitas Mulawarman Samarinda Indonesia

This article examines the issue of load imbalance in electric power distribution systems, which leads to current flow in the neutral conductor of transformers. The study aims to investigate the impact of load imbalance on neutral current and losses in the transformer. The analysis reveals that a load imbalance of 24% during the day results in a large neutral current of 109 A and increased losses due to neutral current flowing to the ground (8.47%). The findings highlight the significance of load balancing in reducing losses and improving the efficiency of electric power distribution systems. The study provides insights for researchers and practitioners to develop strategies for load balancing to mitigate the effects of load imbalance on transformer losses.

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Effect of TiO2concentration in PVDF-TiO2-PVP mixed matrix membrane performance using ultrafiltration process 4

Effect of TiO2concentration in PVDF-TiO2-PVP mixed matrix me...

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4th International Conference on Separation Technology, ICoST 2023

作者： Gayatri, Rianyza Yuliwati, Erna Noor Syimir Fizal, Ahmad Zulhilmi Zailani, Muhamad Jaafar, Juhana Zulkifli, Muzafar Taweepreda, Wirach Naim Ahmad Yahaya, Ahmad Universiti Kuala Lumpur Malaysian Institute of Chemical and Bioengineering Technology Alor Gajah Melaka78000 Malaysia Hat Yai Songkla90110 Thailand Program Study of Chemical Engineering Faculty of Engineering Universitas Muhammadiyah Palembang Jalan A.Yani 13 Ulu Kota Palembang30263 Indonesia Faculty of Chemical and Energy Engineering Universiti Teknologi Malaysia Universiti Malaysia Pahang Lebuh Persiaran Tun Khalil Yaakob Pahang Gambang26300 Malaysia

This study investigated how the addition of hydrophilic TiO2to a porous asymmetric polyvinylidene fluoride (PVDF) Ultrafiltration (UF) membrane altered its properties and performance. The hydrophilicity and flux of PVDF and polyvinylpyrrolidone (PVP) combinations will be lower, and TiO2will significantly impact raising those values. By mixing titanium dioxide (TiO2) nanoparticles with a pore-forming agent in a dope solution, PVDF-TiO2-PVP membranes were prepared via non-solvent-induced phase inversion method. Experiments using PVDF membranes with varying concentrations of TiO2(0, 0.25, 0.5, 1, 1.5, and 2% wt) were applied to evaluate pure water flux and Bovine Serum Albumin (BSA) flux. The functional group composition of membranes was investigated by Fourier transform infrared spectroscopy. The wettability of porous membranes was determined by measuring contact angles. Results demonstrated that membranes constructed from PVDF/PVP/TiO2with a lower loading of TiO2nanoparticles had a smaller mean pore size, more apertures inside the membrane, and better membrane hydrophilicity. The highest flux of pure water (121 L/m2h) was achieved by the PVDF-TiO2-PVP mixed-matrix membrane at a TiO2concentration of 2 wt%. © 2024 Elsevier Ltd. All rights reserved.

关键词： Titanium dioxide

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Enhancing Search Efficiency: Analyzing Learning Mechanisms in Metaheuristics

Enhancing Search Efficiency: Analyzing Learning Mechanisms i...

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Information Technology and Computing (ICITCOM), International Conference on

作者： Teddy Nurcahyadi Christian Blum Mechanical Engineering Study Program Engineering Faculty Universitas Muhammadiyah Yogyakarta Yogyakarta Indonesia Consejo Superior de Investigaciones Científicas Institut d'Investigació en Inielligència Artificial Barcelona Spain

ISBN: (数字)9798350379839

ISBN: (纸本)9798350379846

Metaheuristics have evolved significantly in the last few decades. Nowadays, more complex problems and essential applications are emerging, requiring more powerful metaheuristics to handle them. This article analyzes the characteristics and performance of existing metaheuristics, with particular emphasis on their learning mechanisms. Several critical aspects for improvement are identified, and several promising future research areas are recommended.

关键词： Learning systems Metaheuristics Memory Benchmark testing Maintenance Information technology Standards Faces

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Design Enterprise Architecture Using the TOGAFADM Framework to Support Academic Information Systems at Nusa Nipa University

Design Enterprise Architecture Using the TOGAFADM Framework ...

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Smart Technology (ICE-SMARTec), IEEE International Conference on

作者： Yohanes Brekmans M. Darkel Andi W. R. Emanuel Paulus Mudjihartono Faculty of Engineering Informatics Engineering Study Program Universitas Nusa Nipa Indonesia Departemen Informatika Fakultas Teknologi Industri Universitas Atma Jaya Yogyakarta Yogyakarta Indonesia

Information technology support is desperately needed for higher education. Universities must use information technology to effectively and efficiently manage potential resources to compete with other institutions. Utilization of IT in Higher Education Governance, particularly the academic information system at Nusa Nipa University, lacks a structured architecture. The current IT infrastructure is insufficient to respond promptly and precisely to application and business change solutions. This study aims to simplify the process of developing information system architecture by developing an architectural model and an implementation roadmap. This study's design uses the TOGAF ADM model, The organization's initial condition analysis stage is the preliminary requirement management phase; architectural vision; and business architecture. The enterprise architecture design begins with the second stage's information system architecture and technology architecture phases. The subsequent phases of opportunities and solutions, migration planning, and change management, recommendations for implementing enterprise architecture are presented in the third section. The consequences of this study are IT outlines for each engineering stage given the TOGAF ADM structure for business processes in new understudy affirmations frameworks, scholastic cycles, graduated classes, and libraries to help data frameworks at Nusa Nipa College. This research can create a blueprint for IT development suggestions for expected business techniques at Nusa Nipa College.

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Evaluation of Enrichment in Ontology-based Knowledge Management System

Evaluation of Enrichment in Ontology-based Knowledge Managem...

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International Conference on Smart Green Technology in electrical and Information Systems (ICSGTEIS)

作者： Ni Kadek Dessy Hariyanti Linawati Linawati I Made Oka Widyantara Nyoman Putra Sastra Anang Kukuh Adisusilo I Wayan Budi Sentana I Dewa Made Bayu Atmaja Darmawan Study Program of Doctoral Engineering Science Universitas Udayana Indonesia Electrical Engineering Department Universitas Udayana Indonesia Engineering Department Universitas Wijaya Kusuma Surabaya Surabaya Indonesia School Of Computing Macquarie University Sydney New South Wales

Ontology is an organization of knowledge that can represent knowledge in a structured manner. An ontology-based Knowledge Management System is a system that combines elements of knowledge management with the application of ontology as a knowledge base. Meanwhile, knowledge is dynamic and continues to develop all the time, giving rise to new knowledge. Therefore, the ontology must be updated regularly through ontology enrichment to meet adequate knowledge requirements. Ontology enrichment is carried out to ensure that the ontology remains relevant and responsive to developments in its knowledge domain. However, there are no standard stages in implementing enrichment in ontology-based Knowledge Management systems. Therefore, this research conducted a literature review to determine when and how to apply enrichment in ontology development. Data was obtained from related journals in 2018 - 2023. The method used in this research is the Systematic Literature Review method to systematically identify, review, evaluate, and interpret all available research in the area of interest with specific relevant research questions. The research results show that the ontology enrichment procedure generally includes preprocessing stages, relation extraction, and enrichment processes. Ontology enrichment is generally applied during the development of a new ontology as part of the ontology development cycle and on existing ontologies, which are a separate stage from the initial ontology development cycle. Based on these findings, the researcher provides recommendations for researchers who want to use or develop new ontology enrichment methods.

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Self-loop Laplacian Formation Control for Linear Systems

Self-loop Laplacian Formation Control for Linear Systems

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Computer Sciences, engineering, and Technology Innovation (ICoCSETI), International Conference on

作者： Ashton Bradley Hendrawan Djati Wibowo Djamari Ignatius Pulung Nurprasetio Harry Septanto Mechanical Engineering Study Program Sampoerna University Jakarta Indonesia Faculty of Mechanical and Aerospace Engineering Institut Teknologi Bandung Bandung Indonesia Research Center for Smart Mechatronics National Agency for Research and Innovation (BRIN) Bogor Indonesia

ISBN: (数字)9798331508616

ISBN: (纸本)9798331508623

This study works on scalable formation control of general linear system agents which based on self-loop Laplacian method. Self-loop Laplacian method for scalable formation is used when it is desired that the initial states of agents and communication topology of agents affects the formation size directly. Proof is provided demonstrating that the self-loop Laplacian matrix shares spectral properties with the standard Laplacian matrix, and the two can be related through a transformation matrix. Existing works on scalable formation mostly focused on single and double integrator agents, particularly where the control input algorithm uses self-loop Laplacian matrix. Extending the work on self-loop Laplacian matrix, this study proposes a control input algorithm for agents in linear system dynamics. The algorithm uses both self-loop Laplacian formulation and general linear system consensus methods, and the stability of the whole system is proven using Lyapunov direct method. Two numerical examples with 4 and 5 agents are shown to verify the result.

关键词： Linear systems Technological innovation Laplace equations Heuristic algorithms Formation control Topology Collision avoidance Standards Numerical stability Multi-agent systems

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