205 research outputs found
Rancang Bangun Prototipe Pengaman Ruangan dengan Input Kode PIN dan Multi Sensor Berbasis Mikrokontroller
Get PDFThis research design a sistem to provide room security based on micro-controller. This research designs a system to secure a specific room using a specific code number for that only specific persons have the access to the secured room otherwise the alarm will on as a notification that inappropriate person try to enter the secured room. To enhance the security of the specific room, this research also added two others sensors; PIR sensor and fire sensor. The security system able to activates three conditions simultaneously.When the micro-controller find that one or more conditions meet the requirements, it will activate the alarm. The simulation results show that the alarm activate if somebody enter the room without deactivated the system or the system detects fire spot in the room. ABSTRAKPenelitian ini menyediakan sistem pengaman ruangan yang berbasis mikrokontroler. Mikrokontroller ini dipakai untuk mengontrol pengamanan ruangan yang menggunakan akses kode pin sehingga hanya orang tertentu yang mengetahui kode PIN tertentu dapat masuk dalam ruangan tersebut tanpa alarm berbunyi. Dengan mikrokontroller yang sama, sistem keamanan ruangan dapat ditingkatkan dengan menambah dua jenis sensor yaitu sensor yang peka terhadap tubuh manusia (PIR) dan sensor yang dapat mendeteksi Api.  Sistem pengaman ruangan ini dirancang dengan tiga kondisi yang akan aktif secara pararel. Jika satu atau lebih kondisi terpenuhi maka alarm berbunyi sebagai tanda bahwa ruangan dalam keadaan tidak aman. Hasil simulasi sesuai rancangan bahwa alarm berbunyi jika sesorang berada dalam ruangan tanpa menonaktifkan sistem atau ada nyala api dalam ruangan tersebut. Rancang Bangun Prototipe Pengaman Ruangan Dengan Kode PIN dan Multi Sensor Berbasis Mikrokontroller dapat menjadi model sistem pengaman ruangan yang mempunyai tingkat keamaman yang lebih baik.Â
Rancang Bangun Sistem Otomatisasi dan Telekontrol Pada Pengkondisian Air Kolam Pembibitan Ikan Nila
Get PDFThe needs of Tilapia is quite high and popular for that the needs of this fish increasingly every year. The needs of tilapia should be support also by the availability of its seeds which determan by the ponds water conditions such as temperature, water clarity and its height. This research designs a prototype of a system to maintain the optimum temperature condition in the range of 25°-30° celcius for tilapia seeds pond. When the system indicate that the water temperature hits 25oC or below, it activate the heater to heat the water pond until it reach the temperature of 28oC. The fish seeds develop well for the water height between 40-60 cm. When the water is too high so the system will activate the pump to drain the pond to the normal level, otherwise the pump will fill the pond whenever the system indicate the water level in the pond is low. The best water for tilapia seeds is a pond with clear and clean water. The the water pond indicate to be muddy it also activate the pump to drain water to the low level and fill it again to the normal level. This simulation results show that the prototype of automation of water conditioning controller has work properly to  drain, to fill, to clarify, to warm the water pond automatically and able to send messages to the user about those condition.  AbstrakIkan nila adalah salah satu jenis ikan yang bernilai ekonomis tinggi sehingga kebutuhan benih maupun ikan yang layak cenderung meningkat setiap tahunnya. Seiring meningkatnya permintaan ikan maka harus diiringi dengan penyedian benih ikan yang berkualitas, di mana hal ini sangat ditentukan oleh kondisi air kolam seperti suhu, kejernihan dan ketinggian air. Penelitian ini membuat rancang bangun suatu sistem yang mengatur kondisi suhu optimal untuk kolam pembibitan ikan yaitu 25°-30° celcius. Apabila suhu air kolam dibawah 25° celcius maka sistem mengaktifkan heater sampai pada suhu 28° celcius. Untuk ketinggian air yang baik untuk kolam pembibitan adalah berkisar antara 40-60 centimeter. Penelitian ini mensimulasikan tiga level ketinggian yaitu rendah, normal, dan tinggi. Pada saat air berada pada kondisi level air tinggi maka pompa pengurasan aktif hingga ketinggian air sampai pada level normal yang akan menghentikan pompa. Selanjutnya pada saat level air rendah, maka pompa akan mengisi kolam hingga pada level normal yang akan menghentikan kerja pompa. Untuk kejernihan air, kondisi yang diharapkan adalah air yang jernih dan bersih. Pada saat air keruh maka pompa pengurasan akan aktif sampai batas level rendah kemudian melakukan pengisian kembali sampai batas normal. Hasil simulasi penelitian ini memperlihatkan bahwa rancang bangun prototipe otomatisasi kontrol pengkondisian air, sudah dapat melakukan pengurasan, pengisian, penjernihan dan penghangatan otomatis serta mampu mengirim pesan pada pengguna
ARIES 2018 : infrastructure, innovation, outreach
Get PDFThis article has two outreach aims. It concisely summarizes the main research and technical efforts in the EC H2020 ARIES Integrating Activity – Accelerator Research and Innovation for European Science and Society [1] during the period 2017/2018. ARIES is a continuation of CARE, TIARA and EuCARD projects [2-3]. The article also tries to show these results as an encouragement for local physics and engineering, research and technical communities to participate actively in such important European projects. According to the author’s opinion this participation may be much bigger [4-27]. All the needed components to participate – human, material and infrastructural are there [4,7]. So why the results are not satisfying as they should be? The major research subjects of ARIES are: new methods of particles acceleration including laser, plasma and particle beam interactions, new materials and accelerator components, building new generations of accelerators, energy efficiency and management of large accelerator systems, innovative superconducting magnets, high field and ultra-high gradient magnets, cost lowering, system miniaturization, promotion of innovation originating from accelerator research, industrial applications, and societal implications. Two institutions from Poland participate in ARIES – these are Warsaw University of Technology and Institute of Nuclear Chemistry and Technology in Warsaw. There are not present some of the key institutes active in accelerator technology in Poland. Let this article be a small contribution why Poland, a country of such big research potential, contributes so modestly to the European accelerator infrastructural projects? The article bases on public and internal documents of ARIES project, including the EU Grant Agreement and P1 report. The views presented in the paper are only by the author and not necessarily by the ARIES
Timetable Management Using Genetic Algorithms
Get PDFScheduling course timetables for a large array of courses is a very complex problem which often has to be solved manually by the center staff even though results are not always fully optimal. Timetabling being a highly constrained combinatorial problem, this work attempts to put into play the effectiveness of evolutionary techniques based on Darwin’s theories to solve the timetabling problem if not fully optimal but near optimal.
Genetic Algorithm is a popular meta-heuristic that has been successfully applied to many hard combinatorial optimization problems which includes timetabling and scheduling problems. In this work, the course sets, halls and time allocations are represented by a multidimensional array on which a local search is performed and a combination of the direct representation of the timetable with heuristic crossover is made to ensure that fundamental constraints are not violated.
Finally, the genetic algorithm was applied in the development of a viable timetabling system which was tested to demonstrate the variety of possible timetables that can be generated based on user specified constraint and requirements.
Keywords: Time table management, genetic algorithm
Perspectives and Challenges of Decentralized Identities in the Blockchain era
No full textopenIl presente documento descrive il lavoro svolto durante il periodo di stage, della durata di circa 276 ore, dal laureando Nicola Lazzarin presso l’azienda Athesys s.r.l, con periodo dal 06/07/2023 al 23/07/2023.
Il paradigma delle identità digitali è fondamentale nell’era digitale, ma spesso sottolinea l’inefficienza dei tradizionali sistemi centralizzati.
L’emergere delle Self-sovereign identity (SSI) offre un nuovo approccio promettente per migliorare la gestione delle identità digitali e delle Verifiable Credentials (VC).
Tuttavia, l’attuazione pratica di soluzioni basate su SSI, in particolare utilizzando il framework Hyperledger Aries, rimane una sfida complessa e impegnativa.
La presente tesi trae ispirazione dalla rilevanza delle identità digitali nella società odierna e dalla crescente necessità di soluzioni SSI.
Tuttavia, essa si concentra su una prospettiva critica basata sull’esperienza personale dell’autore, che, nonostante gli sforzi, non è riuscito a pieno a completare l’implementazione di un sistema di scambio di VC utilizzando il framework Hyperledger Aries JavaScript.
Il principale contributo di questa tesi è rappresentato dalla realizzazione parziale di un Proof of Concept (PoC) per un sistema di scambio di VC basato sul framework Hyperledger Aries JavaScript.
Questo PoC offre una base incompleta per ulteriori sviluppi nel campo delle SSI. Inoltre, questa ricerca fornisce una documentazione dettagliata sul processo di implementazione, comprese le scelte di progettazione e le tecnologie utilizzate, per agevolare ulteriori studi e implementazioni nel settore delle identità digitali decentralizzate.
In conclusione, questo tirocinio ha fornito un’opportunità di apprendimento e applicazione pratica di concetti avanzati nel campo delle identità digitali e delle credenziali verificabili.This paper describes the work done during the internship period, lasting about 276 hours, by graduate student Nicola Lazzarin at the company Athesys s.r.l, with a period from 06/07/2023 to 23/07/2023.
The paradigm of digital identities is crucial in the digital age, but often underscores the inefficiency of traditional centralized systems.
The emergence of Self-sovereign identities (SSI) offers a promising new approach to improve the management of digital identities and Verifiable Credentials (VC).
However, the practical implementation of SSI-based solutions, particularly using the Hyperledger Aries framework, remains a complex and demanding challenge.
This thesis draws inspiration from the relevance of digital identities in today's society and the growing need for SSI solutions.
However, it focuses on a critical perspective based on the personal experience of the author, who, despite his efforts, was not fully successful in completing the implementation of a VC exchange system using the Hyperledger Aries JavaScript framework.
The main contribution of this thesis is the partial implementation of a Proof of Concept (PoC) for a VC exchange system based on the Hyperledger Aries JavaScript framework.
This PoC provides an incomplete basis for further development in the field of SSI. In addition, this research provides detailed documentation of the implementation process, including design choices and technologies used, to facilitate further studies and implementations in the area of decentralized digital identities.
In conclusion, this internship provided an opportunity for learning and practical application of advanced concepts in the field of digital identities and verifiable credentials
Analisa Potensi Penggunaan PLTS On Grid di Kota Makasar
Get PDFMakassar is the center of government and business center in the province of South Sulawesi. The people of Makassar has a very high dependence on the use of electrical energy to meet their daily needs, both at home and at offices. The use of electrical energy which is quite high will cause an increase in customer bills every month. Therefore, this problem needs to be reduced by utilizing alternative energy sources. PLTS on grid is one of the solutions to reduce dependence on electrical energy from PLN. This research was carried out using a load simulation method based on the level of solar radiation in Makassar City at an installed power of 4500 VA. By using PLTS on grid the customer has two sources of electrical energy, from solar power and PLN line. The main source of electrical energy during the day is from on grid solar power and at night is from PLN line. If the power from the on grid solar power the day is insufficient to serve the load needs, PLN will automatically responsible for the electric power of the load. The simulation results show that the use of on-grid PLTS saves PLN's electricity consumption by 34.78% to 89.53%. These results illustrate that the potential for using on grid solar panels in the city of Makassar is very larg
I.FAST and EURO-LABS Perfect Legacy of ARIES
No full textCERN hosted on May 2-6, 2022, the first annual meeting of the H2020 I.FAST project to support innovation in the field of science and technology of particle accelerators. The project has a completely different character from its predecessors in this area of research. It was approved for implementation a year ago by the EC with the highest marks. It is worth looking at why projects such as ARIES, I.FAST and EURO-LABS are so easily accepted. This alleged ease of acceptance is an appearance. Behind the acceptance, in conditions of extremely tough competition, is the excellent organization of the submitting community that has been developed over the years, as well as the perfect, well-thought-out preparation of the material. The author, a participant in the ARIES and other EC projects in the field of particle accelerator science and technology, presents here, on specific examples, his subjective opinions on how to prepare materials for high-output projects for the EC FP. The author hopes that these remarks may be useful in the process of submitting research projects from Poland in international cooperation to the EC in the best possible way. The science and technology of particle accelerators is an excellent area of showing such examples because it is interdisciplinary and includes the following components: building of research infrastructure, applied physics, mechatronics, materials engineering, automation and robotics, electronics, ICT, innovation, cooperation with industry, and social
SIMULATION-BASED LEARNING IN RELIGIOUS EDUCATION TO DEVELOP STUDENT EMPATHY ON PEACE EDUCATION
Get PDFSIMULATION-BASED LEARNING IN RELIGIOUS EDUCATION TO DEVELOP STUDENT EMPATHY ON PEACE EDUCATION Aries Musnandar
Abstract This study proposes an effective learning model to increase the quality of students’ empathy through simulation-based learning. The student’s noble behaviour as the objective religious subject in schools can be reached by fostering empathy. But, conservative teaching techniques such as lecturing, presentation and one-way communication are used by most teachers. In contrast, the simulation based-learning model for religious education could involve the affective domain which is appropriate to be used for behaviour change. Peace education in religious education subjects can be elaborated proportionally using simulation based-learning for developing the empathy of student as an important factor to have better peace education results. By using qualitative method, author conducted interview, observation and literature review for further analysis of this study. Research results confirmed that teacher who apply simulation based learning as a suitable method to enhance empathy for elevated tolerant behavior of students which is in line with peace education view. Keywords: Simulation-Based Learning, Empathy, Peace Education, Religious Education
12 22 2020 122 144 http://creativecommons.org/licenses/by-nc/4.0 10.24239/jsi.v17i2.606.122-144 https://www.jurnalhunafa.org/index.php/hunafa/article/view/606 https://www.jurnalhunafa.org/index.php/hunafa/article/download/606/508 https://www.jurnalhunafa.org/index.php/hunafa/article/download/606/50
I.FAST and EURO-LABS perfect legacy of ARIES
Get PDFCERN hosted on May 2-6, 2022, the first annualmeeting of the H2020 I.FAST project to support innovation in thefield of science and technology of particle accelerators. The projecthas a completely different character from its predecessors in thisarea of research. It was approved for implementation a year agoby the EC with the highest marks. It is worth looking at whyprojects such as ARIES, I.FAST and EURO-LABS are so easilyaccepted. This alleged ease of acceptance is an appearance. Behindthe acceptance, in conditions of extremely tough competition, is theexcellent organization of the submitting community that has beendeveloped over the years, as well as the perfect, well-thought-outpreparation of the material. The author, a participant in theARIES and other EC projects in the field of particle acceleratorscience and technology, presents here, on specific examples, hissubjective opinions on how to prepare materials for high-outputprojects for the EC FP. The author hopes that these remarks maybe useful in the process of submitting research projects fromPoland in international cooperation to the EC in the best possibleway. The science and technology of particle accelerators is anexcellent area of showing such examples because it isinterdisciplinary and includes the following components: buildingof research infrastructure, applied physics, mechatronics,materials engineering, automation and robotics, electronics, ICT,innovation, cooperation with industry, and social
From ARIES to MARS: Transaction Support for Next-Generation, Solid-State Drives
No full textTransaction-based systems often rely on write-ahead log-ging (WAL) algorithms designed to maximize perfor-mance on disk-based storage. However, emerging fast, byte-addressable, non-volatile memory (NVM) technolo-gies (e.g., phase-change memories, spin-transfer torque MRAMs, and the memristor) present very different perfor-mance characteristics, so blithely applying existing algo-rithms can lead to disappointing performance. This paper presents a novel storage primitive, called editable atomic writes (EAW), that enables sophisticated, highly-optimized WAL schemes in fast NVM-based stor-age systems. EAWs allow applications to safely access and modify log contents rather than treating the log as an append-only, write-only data structure, and we demonstrate that this can make implementating complex transactions simpler and more efficient. We use EAWs to build MARS, a WAL scheme that provides the same as features ARIES [26] (a widely-used WAL system for databases) but avoids mak-ing disk-centric implementation decisions. We have implemented EAWs and MARS in a next-generation SSD to demonstrate that the overhead of EAWs is minimal compared to normal writes, and that they pro-vide large speedups for transactional updates to hash tables, B+trees, and large graphs. In addition, MARS outperforms ARIES by up to 3.7 × while reducing software complexity. ∗Now working at Google Inc. Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author. Copyright is held by the Owner/Author(s)
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