All of the articles in this proceedings volume have been presented at the International Conference on Sustainable Green Tourism Applied Science (ICoSTAS) Engineering Applied Science (EAS) 2024 on 8 – 9 November 2024 in Arya Duta Hotel, Bali, Indonesia. These articles have been peer-reviewed by the members...

Airports as an area that awakens the revival and attractiveness of travel, it is necessary to analyze the factors that affect the selection of travel modes to the airport. Transportation users tend to choose transportation that meets their criteria because of many factors that affect the choice of transportation...

Apart from having a positive impact on people’s welfare, tourism in Bali also harms ecosystem sustainability, especially regarding the issue of the groundwater crisis. The increase number of tourists is of course accompanied by an increase in the need for clean water. PDAM is only able to meet around...

This study aims to implement a REST API with Bearer Authentication in a Business Service System, focusing on enhancing security, flexibility, and efficiency in data exchange. The long-term goal is to create a secure and authenticated environment for external clients while facilitating quick and efficient...

This research aims to develop a method for synthesizing microalgae samples using light from lamps powered by solar panels and integrated to Internet of Things (IoT) technology to monitor seawater temperature and pH value as the synthesis medium. The system is designed to create an optimally controlled...

The Electronic Control Unit (ECU) is the system computerized embedded in modern vehicles. The presence of an electronic system in the vehicle provides limitations for in-depth system analysis of the Electronic Control Unit (ECU). The reason for the limitations of testing tools for computerized vehicle...

Unstructured data is generated in huge volumes every day from sources such as emails, social media, and business documents. This data, although extremely useful for decision-making, requires extensive preprocessing and feature extraction to be useful. Text mining extracts meaningful patterns from large...

At the level of technical education such as the Computer Network Administration Fast Track Program, the end report of the industry internship is one of the important aspects in evaluating the progress and skills of students. The research aims to implement an optimized management system to facilitate...

This research aims to apply the Convolutional Neural Network (CNN) method in analyzing sentiment related to the teaching and learning process (PBM). PBM is a critical aspect in the world of education, and evaluation of this process can provide valuable insight for decision making. The CNN method is used...

This research aims to analyze public sentiment and perceptions of the Merdeka Belajar Kampus Merdeka (MBKM) policy through data obtained from social media Twitter. MBKM is a higher education policy in Indonesia that aims to provide tolerance and independence for students in choosing courses and accessing...

Changes in the hydrological cycle affect the equilibrium of water entry and exit in reservoirs. As reservoirs age, sediment buildup reduces their functionality. Telaga Tunjung Dam was built to support irrigation, clean water supply, flood control, and tourism. Telaga Tunjung Dam is located in Timpag...

Predicting financial distress is a crucial thing in company management, so researchers are competing to develop methods that can produce high accuracy in predicting financial distress. One method that is being widely developed is Machine Learning. Machine Learning, which is a branch of artificial intelligence,...

In the use of energy, it is necessary to pay attention to the impact on the environment. Environmental impacts due to energy use such as climate change and global warming. It is necessary to develop renewable energy that does not damage the environment and ecosystem. Indonesia itself has many sources...

Energy efficiency efforts and proper temperature control in domestic cooling systems are important in the world of domestic refrigeration. This can be done in several ways, such as changing the refrigerant used or replacing the expansion device currently used. This study investigates the potential benefits...

The increase in industrial activities that are not accompanied by adequate waste handling has led to a decrease in the quality of water used by the community. Therefore, a solution is needed that prioritizes the concept of a green economy, where waste can be processed into useful materials. One waste-based...

Various government efforts have been made for economic recovery, especially to mobilize the real sector which directly concerns the lives of many people. Among them, the construction sector is the most dynamic, apart from being a labor-intensive industry, the Construction Services Industry involves various...

The construction of Integrated Utility Network Facilities in Denpasar City is an effective solution to overcome the clutter of aerial cables that reduce the aesthetic value of the city. To realize the plan is very difficult because this project in its implementation method has complicated and complex...

Research on land use changes is very important at this time because land use changes have an impact on the physical and social environment. This research aims to determine changes in land use in Canggu Village, North Kuta District, Badung Regency, Bali using satellite image data and Geographic Information...

Pellet waste gasification is a promising method for converting organic waste into useful bioenergy fuel. This process produces syngas, a mixture of carbon monoxide, hydrogen, and methane which can be used as an environmentally friendly alternative fuel. However, to maximize the efficiency and sustainability...

Pellets made from waste have great potential as an environmentally friendly alternative fuel. These waste pellets have diverse chemical compositions, with carbon and hydrogen content providing good calorific value. The physical properties of the pellets, such as density, moisture, and mechanical durability,...

This research focused on the monitoring of an air conditioning cooling system using an IoT platform. The IoT device used in this study was the Arduino Uno R4, along with the Arduino IoT Cloud for the online platform. The air conditioning system had a capacity of 2.5 kW and was equipped with an inverter,...

Spices are grown by numerous farmers throughout Indonesia. It is also quite useful for a variety of other things, such as pharmaceuticals, cosmetics, and cooking spices. Spices are often kept dry, with less than 10% water content, to preserve their quality. During this process, a drying machine is required....

This study examines the application of natural filtration materials in clean water installations for the community of Labak Suren Village. The clean water source comes from a river, with water that tends to be turbid, especially during the rainy season. The main objective of this research is to improve...

In a construction project, determining the amount of the proportion of costs for resources must be precise. Given that the allocation of costs for project resources during the construction period is the largest, so if there is an inaccuracy in the calculation of this proportion, it can result in losses...

One of the stages in construction project activities is the maintenance stage that must be carried out by the contractor after the Handover I is carried out. At this stage, there may be damage to the construction resulting in additional costs to repair the damage. The purpose of the study is to identify...

The rapid development of construction project activities, especially building construction projects, is in line with the increase in the incidence of accidents and work-related illnesses. This can be seen from the increasing number of employment insurance claims for both health and death. One of the...

Implementing construction projects requires several costs resulting from the budget planning process (cost estimation). Budget planning activities or cost estimation carried out by an estimator will always be accompanied by uncertainty that can cause the estimation results to be inconsistent with the...

This research introduces BGPNetSim, a Dockerized simulation framework designed to enhance the study and experimentation of Border Gateway Protocol (BGP) routing. Leveraging Docker containers and Quagga, BGPNetSim creates isolated and reproducible network environments, making it an essential tool for...

The issue of multimedia users in learning systems still stems from traditional patterns based on paper textbooks and evaluations in the classroom that are vulnerable to cheating, such as copies and leaks of questions from national exams, illegal use of media materials in the form of presentations and...

Pyrolysis is a promising alternative for managing the substantial amount of low-density polyethylene (LDPE) plastic waste, particularly plastic bags. The high temperatures in the pyrolysis reactor can vaporize the plastic, necessitating a condensation process to capture this vapor as a liquid. The condenser...

Interest in applying to PNB has grown by an average of 15%, though there was a decline in 2022 due to the COVID-19 pandemic, especially given Bali’s reliance on tourism. However, the number of accepted students has increased. In line with PNB’s policy to expand educational access, there has been a rise...

In Indonesia, a region frequently affected by earthquakes, ensuring the seismic safety of building structures is critically important. This safety consideration must extend beyond the superstructure to include the substructure as well. One significant threat to the substructure is the risk of soil liquefaction,...

The competitive landscape in Bali’s property market, characterized by the rise in the construction of hotels, villas, and resorts, along with the fluctuating tourist visitation rates over the past five years due to the pandemic, necessitates a reassessment of the investment feasibility for the Asvara...

The tender process for government construction services involves determining the Domestic Component Level (TKDN) value for the building, regulated by government policies. While TKDN values are typically associated with goods procurement, they also apply to construction. Key components of government construction...

Design flood discharge analysis is required in the planning of water structures in a watershed. The unit hydrograph method is commonly used in designing flood discharge calculations that require rainfall data in the analysis. Current technology makes it possible to use satellite data as an alternative...

This study evaluates passenger satisfaction with the Bus Rapid Transit (BRT) systems in Bali, specifically the Trans Metro Dewata and Trans Sarbagita services, within the Sarbagita region. The research employs a quantitative approach, utilizing surveys to measure user satisfaction across various service...

A project’s implementation costs are one of the most important elements in deciding if a construction project will succeed. The Project execution frequently encounters issues like ineffective material utilization, inept personnel, and improper work method selection. These problems may cause projects...

One service offered to students is the provision of scholarships, yet, they often require help in acquiring current information and navigating the intricate application procedure. The development of an online application is necessary to enhance the quality of this service. This web application will offer...

Theft of durians is a prevalent issue in Indonesia, particularly in regions where durians are cultivated. This results in substantial economic losses for durian farmers. Nocturnal robbers who often operate during the night can be detected using night vision technology. The objective of this study is...

The Green Building Council Indonesia (GBCI), as stated by Ratnaningsih outlines six aspects of Green Building implementation based on the Green Ship for New Buildings version 1.2. These aspects are Appropriate Land Use, Energy Efficiency and Conservation, Water Conservation, Material Resources and Cycles,...

The use of vehicles in Indonesia is currently dominated by motorized vehicles, and not all of these land vehicles are in optimal condition regarding their combustion engines. This situation can lead to exhaust gases from vehicles that do not burn fuel completely, which can increase air pollution. Residual...

As official educational institutions, universities are faced with demands to produce graduates who are superior and competent in facing developments in science and technology. In this context, the Diploma IV Software Engineering Technology (D4 TRPL) study program aims to produce a quality workforce in...

The focus of this research is to implement FFmpeg video compression to improve performance and storage efficiency in the Digital Knowledge Repository System. Various applications can be used to compress video files, with FFmpeg being one of the most popular. In this study, FFmpeg was implemented as the...

Ensuring a stable and sustainable food supply is a critical global challenge. Accurate forecasting of food supply is essential for effective policymaking, resource allocation, and risk management. This study proposes a novel approach to food supply forecasting using a Long Short-Term Memory (LSTM) neural...

Food storage and food packaging materials belong to a group of food contact materials (FCM) that is highly regulated to ensure the health and safety of consumers. The choice of FCM is crucial because all types of FCM produce non-intentionally added substances (NIAS). The unknown substances are mixed...

This research was conducted to analyze the use of R-600a in undercounter applications. The use of R-600a refrigerant is an effort to save energy and reduce the Ozone Depletion Potential (ODP) and Global Warming Potential (GWP). Testing was carried out at an ambient temperature of 24℃ and temperature...

Properly monitoring plant health in hydroponic farming is crucial as the plants rely solely on mineral water flowing through their roots as a growth source. One of the main challenges is the early detection of wilt in plants due to water stress. If not addressed promptly, water stress can lead to crop...

The IoT-based Telemedicine System for Medical Checkups offers a comprehensive medical examination designed to assess overall health, identify risk factors, and detect potential health disorders that could develop into diseases. This research aims to develop a prototype Medical Checkup Station using the...

Horticultural farmers’ work activities include preparing land for planting, caring for plants by fertilizing, pulling grass or weeds, spraying pests, and harvesting and processing or handling post-harvest fruit. This is not easy work, especially if the land being worked on is quite large and there are...

Technological advances have a broad and complex background, which involves various aspects of history, social, economic, and scientific. Like the industrial revolution that began in England bringing major changes in the way of production. The discovery of steam engines, mass production systems, and the...

The use of solar power for cooling systems continues to be developed to obtain efficiency and cheap operations for food storage. In recent times or conventionally to keep fresh meat or fish in display cabinets usually use ice cubes. This condition causes a temperature more than 0˚C which can cause the...

To maintain the ideal battery temperature, the electric car battery cooling system is very important. Battery life will decrease if the battery is often operated at high temperatures. The battery cooling system in electric cars must be made to keep the battery from overheating. Battery performance and...

Potatoes are one type of horticultural plant that is consumed for its tubers. The high carbohydrate content makes potatoes known as a food ingredient that can substitute other carbohydrate foods from rice, corn, and wheat. Increasing productivity in the potato industry can be achieved through innovation...

Fish cultivation carried out by fish farmers is generally carried out from generation to generation. Ponds which are generally far from residential areas do not allow fish farmers to utilize technology which generally requires an electrical power source. Breeding and rearing fish in ponds is very dependent...

Using renewable energy power plants is a strategic approach to mitigating global warming, which poses a threat to life worldwide. The design of a 100% renewable hybrid energy system must be carefully optimized to ensure system efficiency and cost-effectiveness. The primary objectives of the optimization...

The construction materials meet the standard needed to support the safe use of electricity in consumer’s homes. The Electricity house lines are part of the PLN electricity distribution line. The practicality is that so many house lines are damaged, especially the service wedge clamp which is made of...

Subak is a traditional farming community organization in Bali responsible for regulating irrigation systems. Subak Empelan, led by Pekaseh, is a well-maintained community consisting of 150 members who manage 97 hectares of rice fields. Due to limited water supply, rice planting is staggered. Harvesting,...

Paper waste poses a significant environmental challenge due to its slow decomposition rate. While paper waste can have adverse environmental effects, recycling offers a viable solution by repurposing paper into new products. To address the issue of paper waste effectively, it is essential to focus on...

The grilling tools commonly used today rely on square-shaped wire clamps to hold fish or chicken, placed over a combustion chamber with manual fanning, often resulting in uneven cooking or charring due to the proximity to the heat source. Additionally, manual fanning requires significant effort and time....

Processing household liquid waste is a significant environmental challenge, especially in urban areas with high population density. This research aims to develop and test a prototype of an innovative small-scale biofilter system for processing household liquid waste. We designed this prototype to be...

Population growth and the increasing number of tourists visiting Bali require an increase in clean water. Clean water services have so far been carried out by the Regional Drinking Water Company (RDWC) from infrastructure built by the Government through reservoirs/dams, ponds, long storage, and infrastructure...

Mati River is one of the rivers in Bali that has experienced very rapid changes related to land use in its watershed area. This change was triggered by the very rapid development of Denpasar City. This change has triggered a decrease in water catchment areas, increasing surface runoff and potentially...

The present experimental research work aims to investigate how water spray cooling of the surface of solar panels affects the electrical performance, particularly the output voltage. A series of solar panels were tested at various cooling temperatures. Without cooling, the average output voltage of the...

The application of wind turbines in an area as a power plant will always experience obstacles in choosing the type and number of blades used to produce stable electricity according to the specifications of the wind turbine itself. Low wind speeds to be able to produce electricity in a wind turbine can...

Turmeric, scientifically referred to as Curcuma domestica VAL, is a rhizome plant that is highly esteemed for its culinary and medicinal attributes. Turmeric can be employed in three distinct forms: fresh turmeric, dried turmeric, or turmeric powder. Drying turmeric leads to the creation of dehydrated...

The study was conducted with pressure variations, with variations of 20 psi, 30 psi, 40 psi, 50 psi, 60 psi, 70 psi, 80 psi, and 90 psi (maximum working pressure/compressor standard). For other variables set fixed, machine ampere 25 ampere, cutting speed 545.45 meters per minute, iron plate thickness...

Traditional Balinese architectural ornaments have symbolic, historical, aesthetic, and allegorical meanings that characterize traditional Balinese buildings. Padas stone, a local material from the Petanu River and Wos River in Gianyar Regency, is often used for these ornaments. The development of tourism...

Talibeng Village in Sidemen District, Karangasem Regency, Bali Province, is a potential destination for natural, cultural, and spiritual tourism. The village consists of several banjars such as Celetiga, Delodyeh Kangin, Delodyeh Kawan, Talibeng, Sari, Dukuh, Wangsihan, and Wanasari, which are at an...

Currently, wall construction predominantly uses red bricks, lightweight bricks, concrete blocks, and panels. Research related to value engineering also focuses on these materials. In terms of cost, red bricks are cheaper than lightweight bricks and precast panels. Innovations in construction are continuously...

In this research, the initial design of a solar PV cooling system based on TEC was built. This was a new design to improve the power output performance of the solar PV, i.e. the power and the efficiency of solar PV. The active cooling methods developed in this research were using 7 and 9 thermoelectric...

The ultrasonic waveform significantly impacts the atomization rate of Dynamic Mesh Atomizers (DMA) by influencing the energy delivery and droplet formation process. The energy transmitted to the liquid can be optimized by adjusting the amplitude, frequency, and shape of the ultrasonic waveform, leading...

Buggy development is increasingly rapid with its application to tourism facilities such as hotels or golf courses. The development of electric vehicles is certainly inseparable from the energy source or energy storage component, better known as the battery. The battery component is an important part...

Especially on the island of Bali, agriculture as a culture still plays a vital role in supporting the development of tourism, both in terms of values, religiosity, and the environment, as well as farmers as producers, both in rice fields and non-rice fields (moors), because of the Tri Hita Karana philosophy...

This research presents an experiment utilizing machine learning technology in an automatic simulator designed for sorting fruit by type and color conditions. The simulator is integrated with a real-time monitoring system that uses deep learning algorithms. The deep learning methods applied enable automatic...

Taji is a type of special knife made for certain purposes, which in Balinese means sharp. The material for these spurs in the Bali area is made from used temple stone cutter knives. The material for this temple stone cutter knife is made from HSS (high-speed steel). The process of making spurs starts...

Modern times have created various devices to help human lives in homes, offices, and other buildings. However, most of these devices still rely on manual or conventional operation which creates some inconveniences, including limitations in monitoring, remote control, safety, and inefficient energy usage....

Roads are a very important means of land transportation for the community in facilitating the economy and culture between regions in Indonesia. With good road conditions, it will make it easier for the community to hold other social activities. One of the road locations in Badung Bali Regency that has...

This study aims to develop an accurate and reliable model of greenhouse climate conditions. This research focuses on analyzing the complex interactions between temperature, humidity, light intensity, and airflow patterns in a greenhouse environment. Historical data analysis is used to create the model....