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All Journal Mechatronics, Electrical Power, and Vehicular Technology Abdimas Jurnal Pengabdian Pada Masyarakat Jurnal Otomasi Kontrol dan Instrumentasi Jurnal Basicedu Journal of Education Technology Barometer Journal of Robotics and Control (JRC) Journal of Applied Engineering and Technological Science (JAETS) INTEGRITAS : Jurnal Pengabdian REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Journal of Electrical, Electronic, Information, and Communication Technology (JEEICT) International Journal of Robotics and Control Systems Jurnal Basicedu Semar : Jurnal Sosial dan Pengabdian Masyarakat Journal of Fuzzy Systems and Control (JFSC) Jurnal Elektronika dan Telekomunikasi
Joko Slamet Saputro
Departement Of Electrical Engineering, Faculty Of Engineering, Universitas Sebelas Maret
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Social Sciences Other

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Prototipe Sistem Peringatan Dini (EWS) Bendungan Berbasis Internet of Things (IoT) dengan Antarmuka Web dan Aplikasi Mobile Saputro, Joko Slamet; Latifa, Ulinnuha
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 1 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.1.4

Abstract

Teknologi IoT merupakan sebuah konsep yang bertujuan untuk mempermudah akses data menggunakan konektivitas internet. Pada penelitian ini IoT digunakan sebagai sistem monitoring dan peringatan dini secara realtime pada bendungan dengan prototipe berdasarkan Bendungan Walahar, Kabupaten Karawang. Platform thinkspeak digunakan sebagai web server pengolah data. Sistem monitoring ini menggunakan interface app Virtuno, web thinkspeak, twitter dan sms, sementara monitoring secara langsung menggunakan LCD. Pada proses pengambilan data dilakukan percobaan sebanyak 10-30 kali dengan pembacaan sensor menghasilkan prosentase eror 0% dengan time delay 0-30 detik.
Integral State Feedback Control Using Linear Quadratic Gaussian in DC-drive System Supriyanto Praptodiyono; Hari Maghfiroh; Joko Slamet Saputro; Agus Ramelan
Jurnal Elektronika dan Telekomunikasi Vol. 21 No. 2 (2021)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v21.79-84

Abstract

The electric motor is one of the technological developments which can support the production process. DC motor has some advantages compared to AC motor especially on the easier way to control its speed or position as well as its widely adjustable range. The main issue in the DC motor is controlling the angular speed with uncertainty and disturbance. The alternative solution of a control method with simple, easy to design, and implementable in a multi-input multi-output system is integral state feedback such as linear quadratic Gaussian (LQG). It is a combination between linear quadratic regulator and Kalman filter. One of the advantages of this method is the usage of fewer sensors compared with the original linear quadratic regulator method which uses sensors as many as the state in the system model. The design, simulation, and experimental study of the application of LQG as state feedback control in a DC-drive system have been done. Both performance and energy were analyzed and compared with conventional proportional integral derivative (PID). The gain of LQG was determined by trial whereas the PID gain is determined from MATLAB autotuning without fine-tuning. The load test and tracking test were carried out in the experiment. Both simulation and hardware tests showed the same result which LQG is superior in integral absolute error (IAE) by up to 74.37 % in loading test compared to PID. On the other side, LQG needs more energy, it consumes higher energy by 6.34 % in the load test.
Contactless Hand Sanitizer for Healthy Village in Corona Pandemic Outbreaks Maghfiroh, Hari; Sujono, Augustinus; Probo Santoso, Henry; Slamet Saputro, Joko
Journal of Electrical, Electronic, Information, and Communication Technology Vol 2, No 2 (2020): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.2.2.44820

Abstract

The corona pandemic has caused global problems, including Indonesia. One way to reduce the spread of the coronavirus is to wash your hands frequently with soap or hand sanitizer. Many types of hand sanitizers were developed to support efforts to prevent the spread of the corona. For this reason, this paper proposes two types of Contactless Hans Sanitizer (CHS) prototypes. Function tests and user satisfaction tests were carried out to determine the performance of the CHS. The test results show that type A CHS which only works fully electrically is more reliable than type B which works with electrical and mechanical systems. Of the 10 respondents, 90% chose CHS type A.
Design of Nutrition Automation on Lactuca Sativa NFT Hydroponic Systems Saputro, Joko Slamet; Latifa, Ulinnuha; Ramelan, Agus
Journal of Electrical, Electronic, Information, and Communication Technology Vol 2, No 1 (2020): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.2.1.41353

Abstract

This research focus on preserved nutrition on lettuce plants, as well as automation of other parameters that affect plant growth in NFT type hydroponic systems such as temperature, water acidity (pH), water level and light intensity. The automation of this hydroponic system includes the provision of nutrients according to the needs of plants by utilizing EC sensors, keeping the temperature of the water in accordance with plant specifications as well as water levels that are maintained. 
Variable Speed DC Generator Voltage Control using a Multistage Comparator Sujono, Augustinus; Adriyanto, Feri; Maghfiroh, Hari; Saputro, Joko Slamet; Ramelan, Agus
Journal of Electrical, Electronic, Information, and Communication Technology Vol 3, No 1 (2021): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.3.1.50430

Abstract

DC generator with variable rotation will produce uncontrolled voltage, causing problems in its utilization. In this study, it is proposed to develop a voltage control on the generator, in order to produce a fairly controllable and reliable voltage, with an analog circuit using a multistage comparator. Control of the generator output voltage is carried out by adjusting the field current from a separate voltage source which is forwarded to the resistance which is regulated based on the generator output voltage level with a multilevel comparison system. The results obtained are the output voltage ranges from 26 to 30 Volts and the output current ranges from 3 to 20 Amperes. This provides operational safety for the generator and battery. This technology can be used in dc generator systems in automotive engines, windmills, and other power plants.
Development of Control and Monitoring of BLDC Motor Speed without Sensor with Back Emf Detection Azizah, Nada Syadza; Adriyanto, Feri; Saputro, Joko Slamet
Journal of Electrical, Electronic, Information, and Communication Technology Vol 5, No 1 (2023): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.5.1.66698

Abstract

The development of technology at this time has an important role for all human needs and needs. One of the technologies that are currently developing is technology in the field of transportation. The development of electric vehicles is very relevant to be developed. However, in electric vehicles on the market, the control system used is less than optimal to respond to the load given to electric vehicles, resulting in a decrease in performance and waste of electrical energy. In general, BLDC motors which are often used as control systems use a position sensor (Hall effect sensor) in determining driver commutation. The use of position sensors often results in errors in configuration with the controller, difficulty in installation in case of damage, sensitivity of the sensor to temperature increases and the price of the sensor is relatively expensive. The use of sensorless method with Back EMF detection is an alternative solution to determine inverter commutation on BLDC motors. In this thesis, a BLDC motor speed control is developed which provides optimal, efficient and safe performance. This control system uses driver IC IR2101 and power switching MOSFET IRFZ44N. As a prototype, a 1000KV BLDC motor is used, controlled by an Arduino microcontroller and an ESP32 which is monitored by Blynk. The result achieved is that this system is able to control the rotation of the motor and stabilize the speed when there is a change in load. The efficiency of the no-load system reaches 46.48% and at maximum loading it reaches 36.98%, the best efficiency is obtained in the propeller II loading variation with an efficiency of 86.34%.
Wide Range Variable Voltage Transformerless DC Power Supply Using TRIAC Sujono, Augustinus; Adriyanto, Feri; Maghfiroh, Hari; Saputro, Joko Slamet; Ramelan, Agus
Journal of Electrical, Electronic, Information, and Communication Technology Vol 2, No 2 (2020): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.2.2.44809

Abstract

Variable voltage DC power supply that has wide range of power, lightweight and inexpensive is quite difficult to obtain. This research designs and tests a DC power supply without a transformer using switching technology that utilizes TRIAC. The 220 Volt AC power source is converted to DC electricity by the method of cutting off some AC waves signal, using TRIAC, and then rectifying it with diodes and filters. DIAC functions as a trigger TRIAC at the specified time, by turning the variable resistor. The test results show that the output DC power voltage can be adjusted from 5 Volts to 75 Volts by adjusting the DIAC resistance and the load resistance. The results of the series image characteristics are given 2-dimensional and 3-dimensional graphics.
Adaptive Cruise Control based Motor Acceleration Control using Fuzzy Logic Methods Yusuf, Putra Maulana; Hariyono, Joko; Saputro, Joko Slamet; Ramelan, Agus; Adriyanto, Feri; Anwar, Miftahul
Journal of Electrical, Electronic, Information, and Communication Technology Vol 5, No 2 (2023): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.5.2.71714

Abstract

The paper presents a method for adaptive cruise control based motor acceleration control. On the long-distance driving, using vehicles that have a risk for accidents. One of these accidents is collisions between vehicles in front of them which can cause multiple collisions. With the help of the ACC feature, it can reduce the occurrence of these accidents which are caused by the driver's fatigue and weather conditions on long-distance trips. By using the Fuzzy adaptive cruise control system, it is successful in adjusting the acceleration set on the fuzzy system, and with the help of the GUI it can make it easier for the operator to set the appropriate acceleration.
Design and Prototype of Electric Smart Stove Rosyadi, Sa'adilah -; Setiadi, Bayu Rahmat; Saputro, Joko Slamet
Journal of Electrical, Electronic, Information, and Communication Technology Vol 3, No 1 (2021): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.3.1.49372

Abstract

The prototype of the electric smart stove is an electric stove with briquette fuel from teak leaf waste. The thermoelectric module used is 12 units of a Peltier TEC-12706. Thermoelectric generators take advantage of the Seebeck effect with temperature differences from both sides of the Peltier will produce electrical energy. The developing prototype method of an electric smart stove is carried out in 4 stages. First stage, analyzing geometry requirements and smart stove shape. Second stage is the process making of an electric smart stove. Third stage, installation of a power plant. The fourth stage, measurement of electrical power output. Based on the experiment, it is found that the thermoelectric generator produces 1.31 volts of electrical energy with a delta T of 40 degrees Celsius. As the result, an electric smart stove has not been able to charge the battery because the electric energy produced tends to be small.
AR-NAVIS: Mobility Application for Blind and Deaf Students Based on Augmented Reality Saputro, Joko Slamet; Gunardi, Gunardi; Anggarani, Fadjri Kirana; Anastasya, Najya; Setiabudi, Reva; Ibrahim, Sutrisno
Journal of Electrical, Electronic, Information, and Communication Technology Vol 6, No 1 (2024): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.6.1.85475

Abstract

Students with disabilities, especially those with visual and hearing impairments, face challenges in navigating through the campus environment. Hence, the development of AR-NAVIS as an Augmented Reality (AR)-based mobility orientation application stands as a significant innovation in providing services for them. This application aims to assist disabled students in moving within the campus environment, both indoors and outdoors. AR-NAVIS identifies the safest and most efficient routes, enabling disabled students to engage in independent activities and enhancing both their academic and non-academic performance. The application development process involves analyzing students' needs, prototype design, model validation, trials, and dissemination. Its features include AR-based 3D guidance, directional text, voice, vibration mode, and hazard information. The app is expected to provide accurate information about buildings or locations that are the destination for disabilities students. The result show that application development can guide disabilities user move between buildings smoothly. The experiment found that there was an increase in student activity after having this application.
Co-Authors Adriyanto, Feri Agus Ramelan Agus Ramelan Ahmad Baballe , Muhammad Alfian Ma’arif Anastasya, Najya Anggrellangi, Arsy Anwar, Miftahul Arsy Anggrellangi Arthur Joshua Titus Asno Azzawagama Firdaus Augustinus Sujono Augustinus Sujono Azizah, Nada Syadza Bayu Rahmat Setiadi Berlian Shanaza Andiany Brilianto Apribowo, Chico Hermanu Cahyaningrum, Sakira Elen Chico Hermanu Chico Hermanu Brilianto Apribowo Esa Apriaskar Fadjri Kirana Anggarani Fahmi Syuhada Fahmizal, Fahmizal Faishol, Fahmi Feri Adriyanto Feri Adriyanto Feri Adriyanto Firmansyah, Rendra Dwi Gumay, Muhammad Harrys Gunardi Gunardi Hari Magfiroh Hari Maghfiroh Hari Maghfiroh Hari Maghfiroh Hari Maghfiroh Hariyono, Joko HENDRY, JANS Ibrahim, Sutrisno Inayati Inayati Inayati IRSYADI, FAKIH Juliatama, Hanif Wisti Lambang GH, R.Lulus Latifa, Ulinnuha Latifan, Syaifullah Filard Magfiroh, Hari Maghfiroh, Hari Meiyanto Eko Sulistyo Miftahul Anwar Miftahul Anwar Mufti Reza Aulia Putra Muhammad Hamka Ibrahim Muhammad Nizam Muhammad Nizam Muhammad Nizam Muhammad Renaldy Darmawan Novitasari, Purwati Eka Probo Santoso, Henry Putri, Tri Wahyu Oktaviana R Lulus Lambang GH Ramelan, Agus Saadilah Rosyadi Sasongko, Aji Bambang Setiabudi, Reva Subuh Pramono Sujono, Augustinus Supriyanto Praptodiyono Syuhada, Fahmi Ulinnuha Latifa Warindi Warindi D Yusuf, Putra Maulana