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All Journal International Journal of Electrical and Computer Engineering IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer
Agung Setia Budi
Fakultas Ilmu Komputer, Universitas Brawijaya
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering

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Sistem Monitoring Struktur Jembatan dengan metode Real Time Operating System (RTOS) Komang Deha Abhimana Kader; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 2 (2021): Februari 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Real Time Operating System (RTOS) is a new breakthrough for running multitasking processes on embedded systems. RTOS introduces the concept of Real Time, which means that the system does all existing tasks according to the specified time so that no task is carried out beyond the specified time limit. RTOS can be implemented in various fields that require a high degree of modularity, have limited resources and have a response time to events. One example is in the field of infrastructure monitoring which requires dentification of various types. Examples of infrastructure such as bridges. To implement RTOS in monitoring bridge structures using freeRTOS. FreeRTOS which is implemented uses three tasks in all sensor nodes where the first functions to monitor the load, deflection and strain on the last bridge, each task displays all data results to the computer using the serial monitor on the Arduino Uno. The data displayed in the form of loads, changes in the drop point in the middle of the bridge and changes in strain that occur on the bridge. The sensors used in monitoring the bridge prototype include load cell sensors for load measurement with the HX711 module, accelerometer sensors for deflection measurements and ultrasonic sensors for strain measurements with the Arduino Uno micocontroller. In the bridge prototype, the load is carried out three times with a load of 0 kg, 5 kg and 10 kg. The results of the loading obtained from the load, strain and deflection that occur. Then get the accuracy and response time of each task at the sensor node. From the test results, FreeRTOS has an average time of 1ms faster than without FreeRTOS and the accuracy of the sensor readings using FreeRTOS is closer to the desired result.
Perancangan Sistem Monitoring Konsumsi Listrik Dan On/Off Stop Kontak Pada Smarthome Dengan Media Komunikasi Bluetooth Low Energy Bisma Surya Mahendra; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 2 (2021): Februari 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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1,084 kWh / capita is the large amount of electricity use in Indonesia in 2019. Efforts to determine electricity consumption and control of electrical equipment require technology with monitoring and control functions on / off of electrical equipment. By implementing a smart home system it can reduce user efforts in carrying out these activities. To carry out monitoring and control activities, a wireless sensor network is needed to connect users and electrical equipment. One of the JSN communication modules is Bluetooth low energy (BLE). Implementation of the system using ESP32 as a server that supports BLE. Data acquisition is carried out by 2 ACS712 sensors and a ZMPT101B sensor. 2 relay modules as switches and the nRF Connect application as a place client. Users use the client application for monitoring and control of electrical equipment. Testing is done to see system performance. In functional testing all system functions can run smoothly. Testing the accuracy of the voltage and current sensors get results with an error value of 1.23% and 22.93% and the second sensor gets an average error percentage of 29.33%. The client server pairing test got an average time of 0.763ms in the distance scenario and 0.704ms in the closed room scenario. The success of the system in testing with a packet delivery ratio parameter of 75% in each scenario. Performance testing with round trip time parameters obtained the smallest RTT value of 0.00728ms at a distance of 5 meters. And RTT in a closed room scenario is obtained with the smallest time at position A of 0.0064ms. The time for data transmission will be longer if the distance between the client and server is getting farther. The maximum system connection distance is 15 meters.
Deteksi Tangga Turun, Tangga Naik, dan Lantai menggunakan Gray Level Co-Occurrence Matrix dan K-Nearest Neighbors berbasis Raspberry Pi Ester Nadya Fiorentina Lumban Gaol; Fitri Utaminingrum; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 2 (2021): Februari 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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A smart wheelchair is a mobility aid that is easy to operate and aids in its users' independence. In its development, the smart wheelchair design not only pays attention to the aspect of convenience but also in terms of safety. Any obstacles that include accessibility obstacles in the environment must be detectable by a smart wheelchair to increase safety. One of these accessibility obstacles is the sudden change in the level of surfaces such as stairs. This research aims to create a system capable of detecting stairs descent, stairs ascent, and floors using the Gray Level Co-occurrence Matrix (GLCM) method to obtain the extraction of characteristic features from stairs descent, stairs ascent, and floors. Then applies the K-Nearest Neighbors (K-NN) classification method to predict what states are detected. Using the GLCM methods with 4 feature (contrast, dissimilarity energy, and homogeneity), distance (d) = 4, q=90° and K-NN with k=4, the system obtained an average accuracy of 93.33% and an average computation time of 1551ms.
Implementasi Sinkronisasi Waktu Antar Bluetooth Low Energy Device menggunakan Metode Timing-Sync Protocol for Sensor Network Muhammad Fachri Hasibuan; Agung Setia Budi; Rakhmadhany Primananda
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 2 (2021): Februari 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Technological developments encourage the use of wireless networks and Wireless Sensor Network systems more and more. However, The problem with Wireless Network technology is the time difference between one node and another, on WSN each node communicates with the same frequency but has different local times, therefore there is a need for time synchronization. Time synchronization is a method for synchronizing the time on nodes on a network. There are several types of time synchronization, but this research focuses on the Timing-sync Protocol for Sensor Network (TPSN) method which is implemented over a wireless network using Bluetooth Low Energy (BLE) communication. The advantages of Bluetooth Low Energy are low power usage and efficiency, data transmission speeds of up to 1Mb / s and the potential for technology that continues to grow. This research using 3 BLE nodes which divided into 1 Server and 2 clients. This system uses ESP 32 as a microcontroller for data processing and Real Time Clock (RTC) as a timer for each nodes. The server node functions as a data exchange, and as the root node. The client node will request a request for synchronization to the server and the server will provide its local time as the reference time. From the implementation results, the error test data was obtained 30 times with the results of an average error value of 10.36 ms and synchronization testing as well as computation time was obtained 10 times with an average value of accuracy offset of 2.65 ms and Propagation Delay 16.85 ms, the computational average value is 102.3ms.
Rancang Bangun Sistem Keamanan Anak berbasis Modul GSM menggunakan Protokol HTTP Hady Hermawan; Mochammad Hannats Hanafi Ichsan; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 2 (2021): Februari 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Security is a condition that is free from danger, danger word can be related to the form of crime , accident, and others. All peoples always trying to fulfill that condition, but there are some age who cant fulfill this condition. One of them is children safety, children tend to be careless than adults. This is due to an immature mindset and unstable emotions, therefore it triggers crimes againts children. So that it requires strict supervision by parents, on the other side the parents cant monitor their childs safety all the time because they tend to be busy with theis jobs. Seeing this problem, the author would like to recommend a solution in the form of IoT (Internet of Things) with the topic of child safety system GSM based module using HTTP protocol. IoT allows system to communicate or transfer data by themselves using IP connectivity. The System cant do full supervision, but this system able to provide information about location coordinates of their child when the child is in danger and pressing a push button on the system. This system uses a GSM module so it can directly access the webserver to transmit data that has been read by the GPS module and processed by Arduino Uno. The data that has been read will be sent to the webserver and then forwarded by the registered user. Based on the research results the GSM module has the best network strength value in outdoor conditions with value 22 (-69 dBm), the GPS module has data accuracy with an average difference value of 3,15 meters, Telegram chatbot has a perfect data accuracy value with 100% success rate without experiencing lost data.
Perancangan Sarung Tangan Untuk Kendali Powerpoint Berbasis Wireless Menggunakan Bluetooth Ade Ronialta; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 3 (2021): Maret 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Technology is developing very rapidly at this time, making the human tendency to make devices that facilitate their activities. One of them is in the field of wearable devices. The Microsoft Powerpoint application is a Microsoft office application program that functions as a presentation medium where we make presentations using several slides. In this research, the author will build an embedded system that uses a flex sensor which is intended to recognize finger movements to execute commands on PowerPoint during a presentation. This wearable device uses bluetooth as a communication medium between the wearable device and a laptop or other device used for presentations. To process input and output data, use Arduino pro micro. The Arduino pro micro has an Atmega32U4 microprocessor, which allows us to add on-board USB connectivity. Flex sensors are sensors that can have a change in resistance because the sensor gets input in the form of an indentation that is applied to the sensor. The output in the form of this resistance is processed so that it can detect finger movements. The Microsoft PowerPoint application requires a device that can give commands more freely. Therefore, a wearable device was built that could give commands with the indentation of a finger. The curve received by the flex sensor will then be sent from the glove to the receiver using bluetooth communication media. There are two Arduino used respectively in gloves and receivers, the output of this device is a command to run slides in the PowerPoint application. This device can make the presentation easier.
Implementasi Algoritme Forkskinny pada Pengiriman Data Antara IoT Node dengan IoT Gateway Buntoro Tirto Sugondo; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Internet of things is an interesting topic, especially on data security, besides that the limited resources of IoT devices are a challenge for data encryption and authentication processes. Due to the rapid development of IoT, the National Institute of Standards and Technology (NIST) launched a project that aims to determine a lightweight cryptography standard, one of the candidates is forkskinny (ForkAE) which is a lightweight cryptography that uses a new scheme for authentication encryption (AE) based on skinny. In this work, the implementation of the forkskinny algorithm is carried out to secure the data between the IoT node and the IoT gateway, from the results of the tests that have been done, the results are obtained. Memory allocated by the IoT node for data encryption and decryption requires an average SRAM of 27568 bytes of the total SRAM 81920 bytes so that the average percentage of SRAM used is 33.6523% and for flash memory has an average of 268097.6 bytes with total flash memory of 1044464 bytes so it only requires a flash memory percentage of 25.6684%. The algorithm performance test on the IoT node obtained an average of 4128.53333 microseconds, for the encryption and decryption process an average of 5858.13333 microseconds was obtained. The algorithm performance on the IoT gateway for the encryption process has an average of 1149.8 microseconds and for data decryption the average value is 1676.7 microseconds.
Implementasi Discovery Protocol pada Smart Home Menggunakan Media Komunikasi Bluetooth Low Energy Rahmanda Nur Sidik; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Internet of Things (IoT) is a wireless network technology that has changed our world significantly and has become a part of the technology industry which is very important at this time, involving interconnected devices and sharing all types of data with each other that can be controlled using the Internet or other communication media such as Bluetooth. This research utilizes Universal Plug and Play (UPnP) and Bluetooth Low Energy (BLE) using the ESP32 module because it is suitable to be applied to an IoT-based smart home environment. The first reason is that BLE has advantages over other wireless technologies such as Wi-Fi, ZigBee, and Bluetooth Classic. The advantages possessed by BLE include easy configuration, fast data transmission method, wide signal coverage distance, and does not consume relatively large amounts of power. For network protocols using UPnP which is useful for connecting devices functionally. UPnP's discovery protocol method is Simple Service Discovery Protocol (SSDP), when a device enters the SSDP network, it allows the device to advertise to network control points. The control point or master on the network can scan and receive data from the intended advertising device. By customizing UPnP and BLE using the ESP32 module we can implement a system discovery that is for effectiveness on IoT in a smart home environment. The results obtained in this study are quite good with the success rate of BLE discovery performance of 100% and the processing time to connect between devices with an average of only 4 seconds..
Purwarupa Sistem Pemantauan Lingkungan Rel Kereta Api berbasis Jaringan Sensor Nirkabel dalam Lingkup Persinyalan Kereta Api Blok Bergerak Cakra Bhirawa; Rakhmadhany Primananda; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 5 (2021): Mei 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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The writer research is focused on the topic of moving block signalling system in the railways system. Where this system is proposed to be applied outside of an urban city or a sterilized railways network from it's surrounding. The writer intended to enhanced the already existing research based on the RFID which can provided the necessary information for tracking the position of a train and at the same time calculate the speed of that train so it can be sent to the control center with MQTT protocol. The prototype of this control center itself is designed to be a MQTT broker and scaled down system of the operation control center (OCC). The control center can receive information about the surrounding railway tracks environment with the wayside unit which has been designed to sense an object with an infrared sensor and detecting the vibration of the train by using an accelerometer sensor. This research can provide a prospect for an integrated sensing system about it surrounding environments to be implemented in the signalling aspect of a train. Because the main reason that the moving block signalling system can't be implemented in the rural or suburban area is due to the railway tracks is still intersect with the main road or doesn't have a wall to limit the activities in the tracks area. After finishing this research, the writer can conclude that this prototype of moving block signalling system can be implemented in a smaller scale with a delay around 0.4 - 1.1 second for each received and sended information by the system in the same 802.11 network and access point. This value can provide a glimpse to scale this research in the near future so it can be adjusted to each perspective railway tracks environment.
Implementasi Self-Tuning Pada Database Dengan Menggunakan Metode Nesterov Accelerated Gradient Arif Rahmanto; Agung Setia Budi; Rakhmadhany Primananda
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 5 (2021): Mei 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Tuning is the process of improving the performance of the database to achieve specific goals.. With the tuning process that is usually done by a database administrator still manually, the more time it takes for the database to be ready for use. For this reason, a system is designed to perform the automatic tuning of the database using the Nesterov accelerated gradient algorithm to change the value of the parameters that can improve database performance. The system is implemented in MariaDB database as the main database. Tests are carried out to change the previously set parameter values and the optimal parameter values are obtained after the 7th iteration. When testing the performance of the database with a large load, the database is able to significantly reduce the query time between before and after tuning. In the query load data of 1,000,000 database rows, there is a difference in the average execution time between before and after tuning with the Nesterov accelerated gradient algorithm of 1 minute 35 seconds. Whereas in the query load data 1,500,000 Row the average decrease in execution time is 14 minutes 26 seconds. From the test, it can also be concluded that the execution time is stable after the tuning process is carried out with the Nesterov Accelerated Gradient with the required execution time ranging from 24-45 seconds on testing load data of 1,000,000 rows and 75-120 seconds on testing load data of 1,500,000 rows.
Co-Authors Ade Ronialta Adhitya Bhawiyuga Aditya Hertian Agiya Yoshua Ahmad Fajri Rahman Ahmad Mustafa Kamal Ahmar Fauzan Sira Alfan Rafi'uddin Ardhani Ali Ali Anang Malik La Imu Anisa Awalia Rizky ari kusyanti Arif Nur Agung Laksana Arif Rahmanto Aulia Nabih Rizqullah Batara Dolly Nababan Bayu Bagus Prabowo Bayu Santoso Bisma Surya Mahendra Buntoro Tirto Sugondo Cakra Bhirawa Crisandolin Desman Rumahorbo Dahnial Syauqy Dede Satriawan Dedi Siswanto Dionisius Marcello Divito Dwiarga Sholahuddin Dyas Restu Palupi Edo Bayu Cahyono Eko Setiawan Erricson Bernedy Setiawan Ester Nadya Fiorentina Lumban Gaol Fadolly Aryaviocholda Fahmi Ardiansyah Fajar Hamid Embutara Ratuloli Farah Amira Mumtaz Fauzan Fatra Prathama Fikri Miftah Akmaludin Fitriyah, Hurriyatul Ghifari Adlil Baqi Giservin Tifira Zain Hady Hermawan Heri Setiawan Holden Gunawan Irwan Primadana Mulya Jenrinaldo Tampubolon Jezriel Lukas Lumbantobing Komang Deha Abhimana Kader Moch. Alvin Yasyfa Salsabil Mochammad Hannats Hanafi Ichsan Mochammad Zava Abbiyansyah Muchtar Ardhiansyah Muhammad Agni Setyo Prawiro Muhammad Fachri Hasibuan Muhammad Hannats Hanafi Ichsan Muhammad Ihksan Sahib Latif Muhammad Irvine Fidellio Maiza Muhammad Naufal Aziz Huryansyah Muhammad Prabu Mutawakkil Muhammad Syarief Mirdasy Naufal Anis Nazhif Afkar Hanif Noor ilmi Nursandi Frima Saputra Nurul Ikhsan Pabela Purwa Wiyoga Rafif Nurmanda Ghafurutama Rahmanda Nur Sidik Rahmat Yanuar Putra Rakhmadhany Primananda Reva Ade Wardana Revelino Adli Rian Ari Hardianyah Richie R. Tokan Rizal Maulana Rizqi Agung Dwi Nugraha Sabit Ihsan Maulana Sabriansyah Rizqika Akbar Samkhya Aparigraha Sasmita Eko Raharjo Satria Kencana P. Kacaribu Surya Nur Ardiansah Syahrul Ramadhan Utaminingrum, Fitri Varaz Adolfo Wahyu Berlianto Widasari, Edita Rosana Wijaya Kurniawan Wirafadil Nugraha Wisnu Mahendra Wisnumurti Wisnumurti Yazid Ananda Yohana Angelina Sitorus Yulius Adi Pratama Zaky Farsi