Proceedings of the 2nd Lawang Sewu Internasional Symposium on Engineering and Applied Sciences (LEWIS-EAS 2023)

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21 articles
Proceedings Article

Peer-Review Statements

Ilham Yustar Afif, Radiktyo Nindyo Sumarno
All of the articles in this proceedings volume have been presented at the 2nd Lawang Sewu International Symposium 2023 on Engineering and Applied Sciences during November 29, 2023 in Universitas Muhammadiyah Semarang, Semarang City, Indonesia. These articles have been peer reviewed by the members of...
Proceedings Article

Profile Voltage Analysis in the GKB 2 Universitas Muhammadiyah Semarang with Simulation ETAP 12.6.0

Abdulrokhim Soma, Achmad Solichan, Radiktyo Nindyo Sumarno
The electrical power system in a structure must be carefully inspected. Building electrical installations must adhere to standardized criteria; PUIL 2011 (SNI 0225:2011) is a reference in the electrical design process for buildings in Indonesia. According to PUIL 2011, the standard tolerance level for...
Proceedings Article

Manufacture of Carbon Fibre-Based Energy Storage and Return (ESAR) Foot Prosthesis Using Vacuum Bagging Curing Method

Alfiana Fitri Istiqomah, Rifky Ismail, Sulistyo Sulistyo, Deni Fajar Fitriyana, Dwi Setyawan, Hartanto Prawibowo, Akmal Putra Fardinansyah, Murti Ayu Nur Safitri, Jayatin Jayatin, Rilo Berdin Taqriban
Currently, in Indonesia, lower limb amputees were utilizing a static cosmetic foot prosthesis which is not efficient. The development of a cutting-edge foot prosthesis which can store energy is need to be conducted. The Energy Storage and Return (ESAR) foot prosthesis is designed to store energy during...
Proceedings Article

Evaluation on Eddy Current Test Probe Performance

Reyhan Zuhdi Aditama, Samsudi Rahardjo, Dini Cahyandari
Eddy current non destructive test (ECT) were used for decades to assess magnetic conductive materials considering its reliability and its portability. The success of the ECT process mainly depends on the performance of the ECT’s probe. The performance of the probe can be evaluated by applying frequency...
Proceedings Article

Comparative Analysis of Ceramic Insulator Performance with The Application of Silicone Rubber Coating and Nano-Ceramic Coating

Alfredo Bastianta Bukit, Abdul Syakur, Jaka Windarta
Insulators are components that isolate between voltage components and other components. insulators are very important in the distribution of electrical energy. If the quality of the insulator is poor, it can cause interference with the power system. The quality of the insulator is determined by the standard...
Proceedings Article

Effect of Mixture Composition Composite of Used Tire Powder, Asphalt and rHDPE on Tensile Test Value and Impact Strength as a Material Asbestos Replacement

Onery Andy Saputra, Anwar Nurharyanto
This research aims to analyze the effect of composition on used tire powder asphalt composites and recycled plastic (rHDPE) on tensile strength and impact strength. There are two types of composition in this research; the first is 500 grams of used tire powder, 100 grams of asphalt with rHDPE variations...
Proceedings Article

Application of Sustainable Architecture Principles to Urban Green Open Spaces (Case: The Teras Cikapundung, Bandung, West Java)

June Ekawati, Tasya Sabila Ardiyanti
The development of urban green open spaces within the framework of environmentally friendly sustainable architecture is one of the human efforts to create a better life without hindering opportunities for future generations. The Cikapundung Terrace is one of the urban green open spaces occupying the...
Proceedings Article

Optimization of The Azimuth Direction and Tilt of The Campus Cafe Rooftop Solar Panels

Radiktyo Nindyo Sumarno, Kania Kinasih
Countries located on the equator have relatively high intensity of solar radiation. The thing that is most needed in a solar power plant is the intensity of solar radiation. Based on this, Indonesia is very suitable for the application of solar power plants. The power generated by a solar power plant...
Proceedings Article

Maximum Energy Harvesting Mechanism of Wind Turbine for Remote Island Electricity

Sidiq Budi Perkasa, Mochammad Facta, Iwan Setiawan
The wind energy potential in Indonesia, according to the Ministry of Energy and Mineral Resources (ESDM), reaches 60.65 GW. The variable characteristics of the wind pose challenges in harnessing wind energy. Therefore, wind turbine systems need to be equipped with Maximum Power Point Tracking (MPPT)...
Proceedings Article

Synthesis and Characteristics of 316L Porous Biomaterial using the Pore Formation Technique Aided by Polyurethane Sponge

Muh Amin, Muhammad Subri, Bagus Irawan Widyawardhana, Solechan Solechan, Adit Bagos Suwantoro
The ability of porous biomedical implants to stimulate bone tissue formation has been shown to improve biocompatibility and osseointegration. Since the modulus of elasticity of human bone and implant material differs, porous implants may also provide less protection against stress. This study looked...
Proceedings Article

Indonesian Document Text Summarization Based on Extractive Using Sentences Scoring and Fuzzy Logic

Basirudin Ansor, Achmad Solichan, Muhammad Zainudin Al Amin, Aditya Putra Ramdani, Mulil Khaira, Nova Christina Sari
The large number of text documents available on the internet has resulted in a demand for quick access to get the essence for making decisions based on the available information. One method to overcome this problem is to use text summarization. There are 2 ways to summarize, namely abstractive and extractive....
Proceedings Article

Home Workspace Design to Improve Employee’s Performance (Case Study of Work From Home Employees in Semarang)

Ratna Hardianningrum, Ginanjar Mahendriya
The Global COVID-19 pandemic has become a driving force for rapid changes in many aspects of society, especially daily life, caused by the work-from-home policy. After the COVID-19 pandemic, the company and employees still implemented the work-from-home policy because it was considered to be working...
Proceedings Article

Treatment of Liquid Waste of Remazol Blue Using Ozone Plasma Nanobubble Reactor

Ivander Jonathan Kim, Veny Luvita, Yuswan Muharam, Setijo Bismo
Textile wastewater contains hazardous chemicals that are toxic, carcinogenic, and difficult to degrade. To address these issues, a waste treatment method using Advanced Oxidation Processes (AOPs) technology, such as the Ozone Plasma Nanobubble Reactor (OPNR), was tested. OPNR is a new technology that...
Proceedings Article

Fourier Series Approach for Bias Correction in Statistical Downscaling Methods

Tiani Wahyu Utami, Asrori Gufron, Fatkhurokhman Fauzi
Earth System Models (ESM) are model that can forecast, and simulate past, present, and future situations including climate change. The local climate has not been well represented by ESM results. The Statistical Downscaling (SD) approach is one attempt to solve this issue. Climate studies in high-latitude...
Proceedings Article

Physical Traces Settings at Waterfront Pontianak

Estar Putra Akbar, Caesar Destria, Muhammad Subhansyah Ikram
The Seng Hie Waterfront area in Pontianak City is an open space area on the banks of the Kapus Pontianak river, located right in the middle of Pontianak City. In the planning, the waterfront does not provide for informal activities such as street vendors, this apparently has its own impact, namely the...
Proceedings Article

Design and Construction of GPSMU as a Motorcycle Safety System Based on SIM800L

Yusa Dwiyana, Moh Toni Prasetyo, Laily Muntasiroh
Motorbike theft in various regions is increasing from year to year and results in financial losses for owners. This research aims to design and develop a SIM800L-based motorbike security system with location tracking features, motorbike control, and the use of voice commands. The research methods used...
Proceedings Article

Identification of Soursop Leaves Image Based On RGB Color Features Extraction and Gabor Filter Using Backpropagation Artificial Neural Networks

Laily Muntasiroh, Hendriansyah, Fitriyani
Soursop leaves have a myriad of uses, including boosting the immune system, helping fight cancer cells. The leaf, which has the scientific name Annona Muricata, has become the target of residents who choose alternative paths in natural medicine. Soursop leaves grow abundantly across Indonesia, from lowlands...
Proceedings Article

Buffer Zone of Existence as a Non-Activity Area Within the Airport

P. Dyah S. Pradnya
The Buffer Zone, also known as the green belt, is an open space surrounding the aircraft runaway line without buildings and activities. Despite its intended purpose, this zone is often utilized for agricultural activities. However, the presence of aircraft movement and emission pollutants, reaching up...
Proceedings Article

Instance Selection with Naïve Bayes to Improve DDoS Attack Classification Accuracy Using Random Forest

Aditya Putra Ramdani, Achmad Solichan, Muhammad Zainudin Al Amin, Nova Christina Sari, Basirudin Ansor, Mulil Khaira
DDoS Attack is one of the threats in a series of network systems. Attacks on a network in one unit of time can subsequently occur in a very large number of attacks. Previous research has been done to avoid DDoS attack through classification process and one of which is based on Random Forest method. The...
Proceedings Article

Improvement of Gasoline Engine Performance: A Study on Modified Cylinder Block

Slamet Saefudin, Samsudi Raharjo, Ilham Yustar Afif, Dini Cahyandari, Muhammad Subri, Agus Awaludin
Improving the performance and fuel efficiency of motorcycles can be achieved through vehicle modifications. One common modification is enlarging the cylinder volume, as it is considered more economical. However, information and research supporting engine performance improvement based on experimental...