Articles
<![CDATA[FIToplankton: Wireless Controlled Remotely-operated Underwater Vehicle (ROV) for Shallow Water Exploratio ]]>
<![CDATA[Muhammad Ikhsan Sani]]>;
<![CDATA[Simon Siregar]]>;
<![CDATA[Aris Pujud Kurniawan]]>;
<![CDATA[M. Abid Irwan]]>
<![CDATA[ International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 5: October 2018 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijece.v8i5.pp3325-3332
<![CDATA[Remotely Operated Vehicle (ROV) for underwater exploration is typically controlled using umbilical cable connected to ground control station. Unfortunately, while it’s used for power distribution and data transmission, it also obstruct the movement of ROV especially for shallow water (<50 cm). This paper proposed an alternative method for controlling ROV using wireless remote control system. This work also aims to explore the possibility of using RF wireless technology between 420-450 MHz as underwater communication system. Furthermore, the control system was used to manage actuators i.e. DC motor and bilge pump for maneuvring and picking small size cargo. To help the ROV to hold on a desired, Inertial Measurement Unit (IMU) is installed on board ROV within maximum deviation 0.2 m/s2. The prototype of the system has been successfully implemented and evaluated to confirm the functionality and the feasibility of the proposed approach.]]>
<![CDATA[Single camera depth control in micro class ROV ]]>
<![CDATA[Simon Siregar]]>;
<![CDATA[Muhammad Ikhsan Sani]]>;
<![CDATA[Sintong Tua Parlindungan Silalahi]]>
<![CDATA[ TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 18, No 3: June 2020 ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/telkomnika.v18i3.14885
<![CDATA[Navigation is one of the main challenges in an underwater vehicle. To measure and sustain the depth in the micro class remotely operated vehicle (ROV) robot is one of the main demands in the underwater robot competition. There are many sensors that can be used to measure the depth; one of the sensors is using a single camera sensor. In this works, camera-based depth control is developed and evaluated for micro class ROV, namely as fitoplankton SAS ROV. Fitoplankton SAS ROV is a micro ROV prototype with six thrusters. To maintain the depth position, a PID control system with a camera-based depth sensor as the input of the setpoint is used. Moreover, the method for the camera to measure the distance is using the triangle similarity method. In this paper, the experimental scenario is using the rectangular marker to measure the distance, and the value of the depth is processing in the ground control station (GCS). The GCS will send the thruster value to control the depth, which depends on the PID control system. The experiment results show an average of depth accuracy of 95.74% to the depth setpoint.]]>
<![CDATA[Fit-NES: wearable bracelet for heart rate monitoring ]]>
<![CDATA[Muhammad Ikhsan Sani]]>;
<![CDATA[Giva Andriana Mutiara]]>;
<![CDATA[Raden Sri Dewanto Wijaya Putra]]>
<![CDATA[ TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 1: February 2019 ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/telkomnika.v17i1.11611
<![CDATA[The heart is a vital organ that serves to pump blood to the whole body. A heart rate can be used as a healthy body parameter conditions. Growing evidence suggests that IT-based health records play essential role to drive medical revolution especially on data storage and processing. The heart rate measurement (HRM) process usually involves wearable sensor devices to record patient’s data. This data is recorded to help the doctors to analyze and provide a better diagnose in order to determine the best treatment for the patients. Connecting the sensor system through a wireless network to a cloud server will enable the doctor to monitor remotely. This paper presents fit-NES wearable bracelet, an alternative method for integrating a HR measurement device using optical based pulse sensor and Bluetooth-based communication module. This paper is also present the benchmarking of proposed system with several various commercial HR measurement devices.]]>
<![CDATA[Low-cost communication system for explorer-class underwater remotely operated vehicle ]]>
<![CDATA[Simon Siregar]]>;
<![CDATA[Muhammad Ikhsan Sani]]>;
<![CDATA[Muhammad Muchlis Kurnia]]>;
<![CDATA[Dzikri Hasbialloh]]>
<![CDATA[ TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 2: April 2019 ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/telkomnika.v17i2.11791
<![CDATA[Disaster recovery from underwater earthquake, plane crashes into the sea, and monitoring underwater cables or piping for energy purpose are underwater missions for Remotely Operated Underwater Vehicle (ROV) in ASEAN MATE 2018 Competition. Two essentials factor to perform successfully in this ROV competition are design of an efficient communication protocol system and a low-cost communication hardware. In this research, an optimal communication system between RS-232 serial communication transmission and RS-485 serial communication transmission is developed to obtain the optimal solution. Both communication system is tested in Tech_SAS ROV-Telkom University Indonesia, a microcontroller underwater ROV based which used single microcontroller to control actuator, sensor and communication, and measured the Quality of Services (QoS) for end-to-end delay and packets loss. From the the experiment and evaluation for the two schemes, shows 12.57 ms end-to-end delay, 0% data packet error and $6 RS-485 communication system are the optimal solution for Tech_SAS ROV.]]>
<![CDATA[UDP Protocol for multi-task assignment in "void loop" robot soccer ]]>
<![CDATA[Irma Damayanti]]>;
<![CDATA[Simon Siregar]]>;
<![CDATA[Muhammad Ikhsan Sani]]>
<![CDATA[ TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 2: April 2019 ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/telkomnika.v17i2.11782
<![CDATA[The communication system is a very important part of the robot soccer. It is because the robots must be able to move together, alternate and individual. The communication system that would be discussed is about the process of sending data from one robot to another robot using coach computer. It started with the reception of data from coach computer to both robots that had been installed Wi-Fi Communication module that had been connected to the router. Then, the data is processed using Arduino Mega2560. After that, the robot would detect the existence of the ball. The protocol used for the communication system is a UDP protocol (User Datagram Protocol) because UDP has several characteristics that support the occurrence of communication robots such as connection-less and unreliable. Both of characteristics have a faster connection, they do not require handshaking and UDP protocol provides a mechanism for sending a message to a specific process. The result shows that the communication system between coach computer and both robots is successful. This is indicated by the start button and stop button is 100% with repeating data transfer system on UDP protocol.]]>
<![CDATA[An electrical power control system for explorer-class remotely operated underwater vehicle (ROV) ]]>
<![CDATA[Muhammad Ikhsan Sani]]>;
<![CDATA[Simon Siregar]]>;
<![CDATA[Muhammad Muchlis Kurnia]]>;
<![CDATA[Dzikri Hasbialloh]]>
<![CDATA[ TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 2: April 2019 ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/telkomnika.v17i2.11757
<![CDATA[The importance of an optimal method for electric power transmission is crucial for ROV operation. Meanwhile, only few studies have shown the effect of electrical power system from power supply to ROV.This paper proposes a design and implementation of electrical power system for ROV that developed by Tech_SAS team from Telkom University, Bandung, Indonesia. This work aims to obtain the optimal power system to supply ROV’s electrical and electronic components. Tech_SAS ROV is developed to compete on 1st and 2nd ASEAN MATE Underwater Robotic Competition. The system has demonstrated that 48V electric voltage can be transmitted to ROV with negligible voltage drop when using 20 meter 12AWG cable. The voltage is converted to 12V using DC-DC converter in order to supply various ROV’s electronic devices ROV safely and efficiently. Meanwhile, the microcontroller was used to as thrust control to manage current flow to DC motor. The system has been evaluated and demonstrates optimal results and provides a design consideration about ROV’s power system especially on tether cable and power distribution scheme.]]>
<![CDATA[Implementation of high-voltage kicker system for “ROSTU” middle-size league robot soccer ]]>
<![CDATA[Dzikri Hasbialloh]]>;
<![CDATA[Simon Siregar]]>;
<![CDATA[Muhammad Ikhsan Sani]]>
<![CDATA[ Bulletin of Electrical Engineering and Informatics Vol 10, No 6: December 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/eei.v10i6.3190
<![CDATA[Middle-size robot soccer is one of the divisions that competed in national events such as the National Indonesia Robotics Competition and international competitions such as the middle size league (MSL). One of the main components in soccer robots is the kicker system. The kicker system is expected to be high torque, robust, and safe. In this work, a high voltage kicker system is designed and evaluated to substitute ROSTU's previous kicker system. This high voltage solenoid-based kicker system works at 380V and uses the electromagnetic force principle to move a ball. The performance criteria of the kicker system are it can move a ball with a mass of around 1 kg for a minimum range of 3 m and control the charging and discharging process in high voltage conditions. The experiment results show that the kicker system can move a ball with a mass of 1.06 kg, a difference kick distance from 100cm to 350cm, and a monitoring system that can show information about the capacitor voltage and system status.]]>
<![CDATA[Home Lighting Control Based on Time Scheduling using Crontab ]]>
<![CDATA[Devie Ryana Suchendra]]>;
<![CDATA[Dewi Putri Suryani]]>;
<![CDATA[Muhammad Ikhsan Sani]]>
<![CDATA[ IJAIT (International Journal of Applied Information Technology) Vol 02 No 01 (May 2018) ]]>
Publisher : <![CDATA[School of Applied Science, Telkom University ]]>
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DOI: 10.25124/ijait.v2i01.924
<![CDATA[Access control system in smart home concept is a support system that affects especially on controlling the electronic devices. Along with advances in technology, the conventional access control system was developed into an electronic-based access control system. A conventional access control system such as manual electric switches is now beginning to be developed with an electric switch that can be controlled wirelessly from the web. Raspberry pi 2 model B is one of the minicomputers which can be used in an automatic access control system. By using GPIO (General Purpose Input Output) on Raspberry Pi, can be created by a wireless access control system, safe and effective. The purpose of this study is designing a prototype relay control system wirelessly model that can be accessed through the web, the result indicates the possibility of relay control to be remote. Crontab scheduling functions on the controller's relay are used, then the device can function based on a predetermined schedule, it is very helpful to turn on and off electrical devices home remotely. The form of a username and password authentication will be used to protect the system from being accessed by anyone. In the final phase of research, the system is evaluated at day and night using Crontab function. Meanwhile, the response time of the relay is within 1-2 seconds range.]]>
<![CDATA[A Prototype of a Queueing Management System using Radxa Rock in Baleendah Public Health Center, Bandung ]]>
<![CDATA[Simon Siregar]]>;
<![CDATA[Muhammad Ikhsan Sani]]>
<![CDATA[ IJAIT (International Journal of Applied Information Technology) Vol 01 No 02 (November 2017) ]]>
Publisher : <![CDATA[School of Applied Science, Telkom University ]]>
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DOI: 10.25124/ijait.v1i02.1000
<![CDATA[Public Health Center is one of governments' facilities for society that always needs to be improved so it can serve the society with maximum performance to keep the society's health quality good. Queue system at public health center that not perform maximally can caused the public health center's perform ineffectively. In this study, a system consists of a single Board Computer (Radxa Rock), an object oriented programming, Gambas, and a module of a queuing systemis proposed. This system works as a display and voice calling audio module, and a trigger switching module. The outcome of this research for design and implementation of patient's queue number display and voice calling audio system, button system for employee/doctor, communication protocol between button and server have run accordance the proposed design.]]>
<![CDATA[Pembuatan dan Pengelolaan Website di MA Mathlabul Huda ]]>
<![CDATA[Muhammad Zaki Ikhsani]]>;
<![CDATA[Feby Windi Damayanti]]>;
<![CDATA[Saffana Assani']]>;
<![CDATA[Hermanto Hermanto]]>
<![CDATA[ KONSTELASI: Konvergensi Teknologi dan Sistem Informasi Vol. 1 No. 1 (2021): Juni 2021 ]]>
Publisher : <![CDATA[Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta ]]>
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DOI: 10.24002/konstelasi.v1i1.4311
<![CDATA[MA Mathlabul Huda is one of the madrasas that still uses manual methods in disseminating information to the wider community. The school must inform this by distributing posters / banners in several areas close to the madrasah so that it requires fast, precise and accessible information media for the wider community. The purpose of this service is to create a website to help solve problems that exist in MA Mathlabul Huda. The method used in this case is the SDLC method by analyzing the data obtained from the madrasah. The design used to create a madrasah website uses the PHP programming language and the Codeigniter framework. The result of this dedication is a madrasah website that can be accessed by the wider community.]]>
