JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING
Not a member yet
106 research outputs found
Sort by
Analysis of the Efficiency of Solar Power Plants as an Alternative Energy Source CCTV Integrated with Smartphones
Full text linkSolar energy is one of the renewable energies which is an alternative energy for producing electrical energy. The first research stage involves conducting literature studies and field observations related to the problem to be researched. Next, collect the data needed to plan an off-grid solar power plant at the Medan City Study House. This PLTS is also capable of being an alternative energy source for CCTV which is capable of supplying electrical energy for 24 hours. Where CCTV plays a very important role in the Medan City Study House as the security system used. PLTS is highly recommended to be implemented in densely populated areas because PLTS has very minimal emissions and is environmentally friendly. The cost of energy (COE) / kWh from this PLTS is 0.089/kWh. Solar panels produce 6,694 kWh of energy per year. The energy produced by solar panels is sufficient to supply load needs which only require 153,300 kWh of energy per year
Alat Pengusir Hama Burung Otomatis Berbasis Arduino (Atmega328 ) Menggunakan Sensor PIR (Passive Infra Red)
Full text linkBird pests are a threat to agricultural crops, especially rice, corn, and fruit crops. This study designs an automatic bird repellent device based on Arduino (ATMega328) with a PIR (Passive Infrared) sensor to detect bird movement. When the PIR sensor detects birds, Arduino activates the sound module through a speaker to repel them. This device is designed to be energy efficient and works well in various weather conditions. Testing for 7 days in agricultural land showed the effectiveness of the device, with a significant decrease in the number of birds from an average of 30 birds per day on the first day to 5 birds per day on the seventh day. In addition, this device has low power consumption, around 0.5 kWh per day, which shows high efficiency in energy use
Manufacture of a Horizontal Double-Screw Mixer for Fermented Feed Production with a 100 kg Batch Capacity
Full text linkIn general, every livestock needs feed in the form of a mixture of livestock feed. The livestock feed fermentation process is currently phenomenal because it provides benefits that are felt by farmers. Maybe many people know the fermentation as a process of making supplement drinks only. It turns out not, the fermentation process can be used as an alternative to making high-quality livestock feed. In addition to being very simple to make, making feed by fermentation also saves time and money, because farmers are no longer busy with herding or grazing. This horizontal mixer machine has a capacity of 100 kg / Batch. In making this machine includes manufacturing processes such as: welding, grinding, drilling, bending, cutting torch or gas cutting, and non-permanent joints, namely nut and bolt joints. The components of the machine are: frame, tube, double screw, axle shaft, bossing, gear box, housing bearing, block bearing, pulley, v-belt, and electric motor. And then assembled and put together into a machine. From the above explanation, the following conclusions can be drawn: 1. Horizontal mixer machine with a tube diameter of 60 cm and a width of 90 cm, is capable of mixing 100 kg/batch of animal feed. 2. Horizontal mixer machine using a double screw produces a more homogeneous mixture compared to using the manual method
PENERAPAN DATA MINING MENGGUNAKAN ALGORITMA APRIORI DALAM MEMPREDIKSI PENJUALAN KAIN TENUN SUMBA
Full text linkWeaving is one of Indonesia's traditional fabric arts and culture which is produced in various regions throughout the archipelago (NTT, Kalimantan, Bali, Sulawesi, Lombok, Sumbawa, and others). Sumba woven fabric is a collection of activities that can define the work carried out by a system and change input into output that has added value for the user. Currently sales are only around Sumba Island. Meanwhile, the sales process is carried out by buyers coming directly to the shop, apart from that, woven fabrics are also sold in local markets and at cultural exhibitions. Therefore, an a priori algorithm approach was taken in association analysis to find candidate frequency itemsets to increase sales. Based on the sales results of woven fabric products in the kalaki kambe weaving group, the ones that sell the most can be found using an a priori algorithm, namely by looking at products that meet a minimum support of 2.4% and a minimum confidence of 50%. The most sold products are sarongs, wewewa woven fabric and loura woven fabric with the results obtained that sarongs, wewewa woven fabric and loura woven fabric with a support value of 0.300 or 30% and a trust value of 0.750 or 75%
SISTEM INFORMASI DESA TEBARA (KAMPUNG SITUS PRAIJING) BERBASIS WEB
Full text linkTebara Village is one of 13 villages located in the administrative area of Waikabubak city sub-district, West Sumba Regency. Tebara Village is the only village in East Nusa Tenggara that is included in the 75 best tourist villages in the 2023 ADWI (Indonesian Tourism Village Award). This website was built using the System Development Life Cycle (SDLC) method with the waterfall model, PHP programming language, Laravel framework, and MySQL database as well as program testing using black-box testing. The results of this research succeeded in designing a village website as an information system through the product design design stage which included identifying functional and non-functional needs, model design, input and output design, and database design. The construction of the Village website as an information system for the Tebara Village Office can help facilitate and expand the dissemination of information carried out by the village government. This also allows access to this information by the public, especially the people of Tebara village. The existence of the Tebara Village website can make it easier for the public to access information related to the village. Users only need to see the information on the website without needing to come directly to the Tebara village office
Sistem Monitoring Daya dan Arus Listrik Pada Pembakit Listrik Tenaga Bayu Berbasis Thingspeak
Full text linkPLTB is a renewable energy solution that can reduce dependence on fossil fuels and reduce greenhouse gas emissions. To ensure operational efficiency and reliability, a monitoring system is needed. The monitoring system used in this paper consists of sensors integrated with Arduino to collect real-time data on wind speed, output voltage, current and operational conditions of Tingspeak-based turbines. The data collected by the sensors is sent to the Arduino Uno, which then processes the data for further analysis. Implementation of this Arduino Uno-based monitoring system also allows early detection of potential problems, so that preventive action can be taken to increase efficiency. The results of this research show that the factors that influence the performance of wind turbines are the voltage and current. So for this reason, a tool was created that can monitor and display the amount of voltage and current produced by the Wind Turbine. This tool uses the PZEM-004T sensor to measure current and voltage. The sensor measurement results are processed by the Arduino Nano R3 and then displayed on the LCD and ESP-01 chip to WiFi, then the data will be sent to the Thingspeack cloud server to display the current and voltag
Analisis Penggunaan Energi Listrik Untuk Peluang Hemat Energi Di Tiara Residence
Full text linkAn energy audit needs to be carried out to calculate energy consumption in buildings. This activity is a form of energy management which aims to meet national energy needs in accordance with long-term energy management policies, including Law no. 30 of 2007, concerning energy. This research uses data on the use of electrical energy at the Tiara Residence boarding house. The results of the energy audit serve as a reference for increasing profits from the boarding house business by saving on monthly electricity usage costs based on the amount of electricity consumption paid. This research was carried out by calculating the energy consumption intensity (IKE) value with influencing variables including energy consumption (kWh) per square meter (m2) per month. Based on the results obtained, the monthly power consumption is 1049 kWh-1231 kWh at a cost of Rp. 1,576,836-Rp. 1,852,473, then the IKE value is calculated and it is known that the efficiency level of energy use is in the efficient category in February, March, July, August, September and October, while in January, April, May, June it is categorized as very efficient. Apart from that, there are opportunities to save from installed electrical equipment by applying special behavior to the equipment
Implementation of Object Detection by Color in HSV Space on Robot Arm
Full text linkThis research presents a colour-based object detection system utilizing the HSV colour space and a decision tree model. Achieving an overall precision, recall, and F1-score of 0.98, the system demonstrates robust detection capabilities across various cube colours: blue (0.87-0.89), green (0.87-0.92), yellow (0.74-0.80), red (0.77-0.89), and purple (0.89-0.94). Additionally, the performance evaluation of a robot arm in object manipulation reveals an 80% success rate and a 20% failure rate. Testing across five trials per colour shows successful identification and manipulation distributions for blue (4 successes, 1 failure), green (4 successes, 1 failure), yellow (4 successes, 1 failure), red (4 successes, 1 failure), and purple (5 successes, 0 failures). These findings suggest potential applications in industrial automation tasks requiring reliable colour-based object classification and manipulation, albeit with opportunities for further enhancement to minimize failure rates
Penerapan K-Optimal Pada Algoritma KNN Untuk Prediksi Kelulusan Tepat Waktu Mahasiswa Program Studi Teknik Informatika
Full text linkDecision Making Systems (DSS) are the single most widely used computerized method today. Student satisfaction is determined by the quality that students want, so every university must ensure that this quality is available. The STIMIKOM Stella Maris Sumba Informatics Engineering Program can provide new information that was not previously known using data mining techniques that can be used to predict students' timely graduation. The research uses the k-Nearest Nieghbor method, which is a method for classifying objects based on training data that is closest to the object. Choosing the k value in the kNN algorithm is important because it will affect the performance of the kNN algorithm, therefore it is necessary to know what the k value is and the level of accuracy. The k-Fold Cross Validation method and Accuracy Test are used to determine the k-Optimal value. The result obtained is the value k=5 with an accuracy level of 80.00% which is designated as k-Optimal. The value k=5 is applied to the kNN algorithm to predict students' on-time graduation based on GPA up to semester 4
Perencanaan Pembangkit Listrik Tenaga Surya Off-Grid Pada Gedung Serbaguna Pondok Pesantren Sejahtera
Full text linkEnergy plays an important role in everyday life, for example solar energy which is one of the renewable energies which is an alternative energy for producing electricity. The electrical energy produced comes from solar radiation through the conversion of photovoltaic cells. The higher the solar radiation that hits the photovoltaic cells, the higher the electrical power produced. The Sejahtera Islamic Boarding School Multipurpose Building is a building that is used as a place for various activities, both Koran recitation activities for students, character building seminars for students or creative activities that can develop students' individual skills. With so many activities, the use of electrical energy is large every day. Therefore, in this research, an Off-Grid Solar Power Plant Plan will be made at the Sejahtera Islamic Boarding School Multipurpose Building to meet the electrical energy needs of the Multipurpose Building. Planning for the Solar Power Plant at the Sejahtera Islamic Boarding School uses an Off-Grid PLTS system with 30 solar panels with a capacity of 500 Wp, LiFePO4 type batteries with specifications of 12V 200Ah, 1 inverter with a power of 12,000 W and an SCC with a capacity of 500 A. In the planning of the PLTS generating power of 10,550 Wp per day