Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering)

Prototype of Melon Fruit Quality Sorter Based on Skin Texture Using Local Binary Pattern Histogram

Rozaq Arminnur Yuliawan, Riza Agung Firmansyah — Fri, 20 Oct 2023 00:00:00 +0000

Cucumis Melo L is one of the popular fruits in Indonesia. The numerous benefits and various contents of melon make it highly valuable for human health. Determining the quality of melon is crucial, considering its numerous benefits and contents. The quality of melon is determined by the presence of net-like patterns on the surface of the fruit's skin when it is ripe for harvest. Currently, conventional methods that rely on direct visual observation are still commonly used to sort the quality of melons. Therefore, a prototype system was developed to sort the quality of melons based on the texture of their skin. The purpose of this system is to reduce errors caused by eye fatigue and variations in accuracy during the sorting process. In this research, the feature extraction method of the local binary pattern (LBP) was employed, along with the K-Nearest Neighbor (KNN) method for classification. The classification was divided into two grades: Grade A and Grade B melons. The testing phase involved 200 data samples, with each grade consisting of 100 data samples. The results of the testing phase showed a success rate of 96% for the system. Based on the percentage, it can be concluded that the system has successfully performed well in sorting the quality of melons based on the texture of their skin.

Stadium Coverage Using Directional Antennas for High Density Access Points Based on Narrow HPBW

Hasdi Radiles, Sutoyo Sutoyo, Dio Alam Pratama, Ahmad Faizal — Wed, 11 Oct 2023 00:00:00 +0000

The existence of a Wi-Fi network in the stadium is an important issue because of the many requests for communication access from spectators. Implementation of HD-AP Wi-Fi using directional antennas is one solution to avoid severe interference. This study simulates the coverage of the AP installed on the roof of the tribune station. The simulator is designed using HPBW Elevations 20⁰, 40⁰ and 60⁰. Testing also considers the use of the appropriate transmit power, to obtain the appropriate HPBW combination to avoid interference. The analysis is carried out by comparing the reception of the strongest signal with reception at the sector border. The results of the study show that Antenna directional with HPBW Elevation 40⁰ is more effective in serving users in three service sectors.

Low-cost Waste Management System with Multi-node Application Using Simple LoRa Protocol

Trisa Azahra, Mohammad Fadhli, Sopian Soim — Wed, 11 Oct 2023 00:00:00 +0000

Indonesia needs to manage its waste issue effectively and efficiently. Most of the time, waste management is traditionally done with a direct transit system of ambiguous intensity. This study aims to design an Internet of Things (IoT)-based trash monitoring system that includes an Arduino Uno microcontroller, an ultrasonic sensor, a DHT22, and GPS. Each sensor functions to capture filling level, humidity, and waste location. Additionally, it employs the LoRa RFM95 module, a long-distance data transmission medium. The LoRa RFM95 has tested its RSSI (Received Signal Strength Indicator), packet loss, and delay parameters with non-line-of-sight (NLOS) propagation to observe the performance of it. This study used a multi-node sensor application to monitor four trash cans in a large-scale suburban area. The prototype is made up of four nodes and one gateway. The Simple Lora Protocol is implemented on the gateway to avoid data collisions during transmission. Then, the gateway forwards sensor data to Firebase. The stored data in the real-time database is then presented in the Trash Monitor application, making it possible to keep track of any changes in sensor data. This prototype can make the waste management system more effective and efficient by monitoring the trash can�s condition remotely without having to check directly into the trash bin.

Application of the Object Oriented Analysis Method and Design Web Profile at MA Darussalam Pangkal Pinang

Umar Faruq Vista, Nurhaeka Tou, Putri Mentari Endraswari — Wed, 11 Oct 2023 00:00:00 +0000

Web profile is one of the effective media for disseminating information in introducing the institution to the wider community. This is what is used by many government and private agencies, one of which is an educational institution or school. MA (Madrasah Aliyah) Darussalam Pangkalpinang is one of the education institutions under the auspices of the Ministry of Religion of the Republic of Indonesia. MA Darussalam Pangkalpinang does not currently have a Web Profile as a means of disseminating information to the public at large. This research has the objective of helping MA Darussalam Pangkalpinang to have a medium for disseminating information that can be accessed by the wider community easily, effectively, and efficiently. In making the Web Profile in this study, the Object Oriented Analysis and Design (OOAD) method was used which has several work stages that can optimize web performance to be optimal. Based on the OOAD method in this study, there are 5 diagrams used, including Use Case, Activity, Collaboration, Sequence, and Class Diagrams. The result of applying the OOAD method is a website-based school profile application that contains useful information belonging to the school, especially MA Darussalam Pangkalpinang which can be accessed by students and the wider community. With this web profile, it is hoped that it will help MA Darussalam in promoting their school more broadly and building a better school branding.

MyNote: Multiplatform Reactive Integration System with The Clean Architecture Development Concept

Arrijal Amar Ma'ruf, Dedi Gunawan — Wed, 11 Oct 2023 00:00:00 +0000

The application needs in the current digital era are very broad and varied. In its development, these applications undergo a transformation, thus demanding application developers to create applications that suit their devices. This study applies the concept of the reactive paradigm which is implemented into a multiplatform application system and the concept of clean architecture in the process of creating a simple note management application "MyNote". The concept of reactive programming uses Spring WebFlux on the backend and React.js with RxJs on the frontend. The multiplatform concept on Android is implemented in Webview. Performance analysis is conducted using the load test, and stress test. This research aims to provide information on how to implement the concept of multiplatform applications and reactive programming with the clean architecture development method for the MyNote application. In addition, it also can be used as a consideration in implementing this concept stack in production-ready products. This study succeeded in making the MyNote application using a combination of clean architecture, multiplatform, and reactive programming concepts with a percentage of 93,75% application of the concept, and 80% application development.

Toward Adaptive Manufacturing Development: Implementation of Artificial Intelligence for Identifying Leather Defects

Alifia Revan Prananda, Eka Legya Frannita — Thu, 12 Oct 2023 00:00:00 +0000

Artificial intelligence was the powerful approach that was proven to be impactful for solving several problems. In the leather inspection cases, artificial intelligence also contributed some research works that effected for leather inspection process. In this research, we employed NasNet architecture conducted by using fine-tunning transfer learning method to distinguish the types of leather defects. We used 3600 images that was distributed into six classes which are folding marks, grain off, growth marks, loose grains, pinhole and non-defective. Our proposed solution successfully achieved accuracy for training data is 0.9788 with loss of 0.0198. While the maximum accuracy in validation data is 0.8059 with loss of 0.2126. In the testing data, our experiment obtained accuracy of 0.8603 with loss of 0.1603. These results indicated that our proposed solution was suitable to recognize the characteristics of leather defects and suitable to distinguish them.

Design of Fuzzy Logic Controller for Inductor Based Cell Balancing in Battery Management System

Hartono Hartono, Edi Leksono — Thu, 12 Oct 2023 00:00:00 +0000

Lithium-ion batteries are a popular energy storage used in various applications including electronic devices, electric vehicles, renewable energy systems, and microgrids. The limitations in capacity and voltage of individual battery cells necessitate arranging them in series and parallel configurations to meet the energy demands of the system. However, connecting cells in series can potentially lead to charge imbalance among cells, resulting in reduced battery pack capacity and triggering safety concerns. Numerous topologies and control methods for battery cell balancing systems have been explored in previous research. In this study, two fuzzy logic controllers with different membership function shapes are designed to drive the duty cycle of PWM signals for inductor-based cell to cell balancing. Based on simulation results, the designed controllers demonstrate good performance compared to conventional methods.

Emergency Tower System For An Accident

Muhammad Raihan Nurrizka, Erika Loniza, Taqwa Anggara Mukti, Oki Priyanto — Sat, 21 Oct 2023 05:32:08 +0000

An emergency is an accident that cannot be predicted when it will happen. Emergency situation is a patient's clinical condition that need immediate medical action, to save lives and prevent further disability. campus is a place with high mobility of the academic community, so the potential for an emergency to occur in the campus area is quite large Apart from accidents, emergency cases that require prompt and appropriate treatment are sudden cardiac arrest. The life expectancy of cardiac arrest sufferers is very dependence on the competence of helpers to provide. Therefore, the process of handling emergency cases in the campus area can be carried out by developing a risk management ecosystem through an emergency tower that is integrated in the Detector Tower wirelessly. Emergency tower is a tower to provide information related to an emergency situation. This tower use an esp8266 as microcontroller to send information, sirins for an indicator to make an announcement there is an accident. Door lock to lock first aid box that only opens when push button got pressed. The result of emergency tower are can send alert information and do two-way communication with the Detector Tower, which can provide emergency handling through the Detector Tower installed at the location of the officer in charge. While waiting the Emergency tower is equipped with a first aid kit box that can be used as well as CCTV that will monitor events in the area. The emergency tower system has 100% that can help to handle emergency situation.

Quality of Service Analysis on EaTrain Application at A Restaurant on A Train

Destanuari Sufia Mukti, Nurul Hidayati, Abdul Rasyid — Sat, 21 Oct 2023 00:00:00 +0000

One of the services on the train is a dining car that sells food and drinks. However, the current system has problems such as the unclear position and operating hours of the dining car, the lack of menu information, and the difficulty of officers in giving change. The purpose of this research is to make it easier for passengers to order food and drinks, increase the officer’s efficiency in managing menu, and determine the network quality while using the EaTrain application on the train. The EaTrain application was built using android studio with cloud firestore as a database for storing data, and integrated with midtrans payment gateway in making payments. Wireshark software is used to measure the network quality of EaTrain application in train restaurant. The test results show that the EaTrain application can run well on Android 7.0 devices and above. The value of delay, throughput, and packet loss in Quality of Service (QoS) testing while making payments is determined by network quality of each provider. Provider A has average delay of 123ms, packet loss is 10.72%, and throughput is 3974 bps. While provider B has average delay at 1343ms, packet loss is 50.88%, and throughput is 33628 bps.

Implementation of Additive Ratio Assessment Method in Decision Making on Fertilizer Supplier Selection at BBTPH Banyumas

Dasril Aldo, Yohani Setiya Rafika Nur, Annisaa Utami — Thu, 12 Oct 2023 00:00:00 +0000

The purpose of this study is to solve problems in the selection of fertilizer suppliers at BBTPH Banyumas by proposing a decision support system (DSS). The quality of fertilizer supplier performance that is less than meeting standards can have a direct effect on crop yields, affect the level of efficiency, and decrease the quality of horticultural commodities. Therefore, this study aims to obtain decisions on the most feasible suppliers to be partners in supplying fertilizers. The method used in this study is the Additive Ratio Assessment (ARAS) method which is a method for alternative ranking based on specified criteria. The criteria used are in the form of criteria data, namely quality, price, service, delivery, product, and warranty. Fertilizer supplier data is obtained from BBTPH Banyumas and processed using the ARAS method. The stages carried out are identifying criteria, weighting, determining alternatives, evaluating alternatives, calculating the score of each alternative and choosing the suggested solution. The results showed that the best fertilizer supplier was supplier A with an ARAS value of 0.421. Supplier A has advantages in price, quality, and reputation criteria. This research can provide recommendations to BBTPH Banyumas in choosing fertilizer suppliers that suit their needs and preferences. The ARAS method is very useful in solving complex problems and involves many factors. By using this approach, the decisions taken become more objective and supported by clear data. Therefore, the ARAS method can be adopted by other organizations to address similar problems.

Design of 5G MIMO 2x2 Broadband Antenna At 26 GHz Frequency Using Double U-Slot Method and Defected Ground Structure

Muhammad Ihsan, Alfin Hikmaturokhman, Solichah Laras, Syah Alam — Thu, 19 Oct 2023 06:31:44 +0000

The 5G technology is a telecommunications innovation that offers incredibly high-speed data transfer. It is expected to outperform its predecessors significantly. In utilizing 5G services, efficient devices are crucial, and solutions like Multiple Input Multiple Output (MIMO) systems play a key role. MIMO is an antenna system with numerous transmitting and receiving elements, enabling simultaneous transmission and reception. A 26 GHz frequency microstrip antenna is modified using a double U-slot, and the Defected Ground Structure (DGS) method is employed to reduce antenna coupling effects and enhance bandwidth. This antenna features a directional radiation pattern that focuses in a specific direction, thereby increasing efficiency. Prior to optimization, the return loss was at around -14.15 dB, VSWR was approximately 1.49 dB, and bandwidth was 0.65 GHz. After optimization, the return loss improved to between -27.06 and -28.09 dB, signifying performance enhancement. Despite a slight increase in VSWR to 1.08 to 1.09 dB, it remains within acceptable limits. The bandwidth increased to 1.06 to 1.13 GHz. These results indicate that optimization successfully boosted antenna performance, resulting in higher data transfer efficiency. This technology has the potential to revolutionize the telecommunications landscape with faster and more reliable services through advanced 5G networks.

Expert System for Disease Identification in Palawija Plants with the Dempster Shafer Method

Thu, 12 Oct 2023 00:00:00 +0000

Crops, including corn, are important agricultural commodities and contribute greatly to people's food needs. Diseases in crops are often the main factor that reduces crop production and quality. Maize plants are particularly susceptible to various pests and diseases, such as Leaf Blight, Leaf Spot, Rust, Stem Blight, Anthracnose, Root Rot, Cob Rot, Smut, Mosaic Virus, and Nematodes. Unfortunately, farmers often use pesticides or inappropriate control methods, resulting in suboptimal care and the emergence of new pests or diseases. This study aims to assist farmers in detecting early symptoms of pests and diseases in corn plants, so that control can be more precise and effective. In this study, 10 disease attack data were processed using the Dempster Shafer method. This method processes data based on symptoms seen in corn plants, allowing detection of types of pests and diseases and recommendations for handling them with an accuracy rate of about 80%. Therefore, the Dempster Shafer method is relevant for use in the identification of diseases in corn plants.

Application of Learning Vector Quantization and Trajectory Planning On a 4-DoF Robotic Arm to Move the Object

Rendyansyah Rendyansyah, Bhakti Yudho Suprapto, Hera Himarika, Irmawan Irmawan — Thu, 12 Oct 2023 00:00:00 +0000

The robotic arm is a type of statistical robot with a limited range of movement. Robotic arms are generally within the scope of Cartesian coordinates, according to the specified link length. The development of robot technology leads us to continue to upgrade soft computing. Intelligent systems in robots can improve good navigation detection systems or carry out the operator's tasks. On the other hand, using a camera is an important part of finding clear information about objects or capturing the environment around the robot. In this research, we implemented an intelligent system and computer-based camera on a 4-DoF robotic arm system. This robotic arm consists of a computer as the main processor, a microcontroller to adjust the joint angle, additional electronics, and a camera to detect objects and classify them by color. The colors used are red, green, and blue. The learning process uses these colors using Learning Vector Quantization (LVQ). The implementation of LVQ also carries out pre-processing, training, and testing stages. In the experiments that have been carried out, the robotic arm successfully navigates toward the target object and moves the object using the Trajectory Planning method. This computing process is done on a computer and connected to the robot arm's microcontroller. The experiment was carried out 60 times, and the success rate was 95%. Overall, the robot successfully picked up objects and grouped them by color.