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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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Improved Indoor Localization Mechanism for Automated Guided Robots Using Bluetooth Beacons Irsyadi, Fakih; Hendry, Jans; Saputro, Joko Slamet; Sasongko, Aji Bambang; Gumay, Muhammad Harrys
Journal of Electrical, Electronic, Information, and Communication Technology Vol 7, No 1 (2025): 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.7.1.100928

Abstract

Robot localization is essential for successful navigation, particularly in indoor environments where Global Positioning System (GPS) devices are ineffective. Bluetooth Low Energy (BLE) beacons provide a promising solution by transmitting 2.4GHz signals that can be interpreted by nearby robots. The trilateration method, utilizing Received Signal Strength Indicator (RSSI) values from BLE beacons at predefined locations, enables position estimation. However, RSSI values are highly susceptible to fluctuations and environmental interference, leading to significant errors. This research addresses these challenges by developing a low-cost beacon device using an ESP32 microcontroller and implementing a Kalman filter to minimize RSSI fluctuations. A curve fitting method is applied to convert filtered RSSI data into distance estimates, offering improved accuracy compared to the path loss model. The trilateration approach determines the robot’s position based on three dominant BLE beacons, selected for their signal strength. Results demonstrate that the proposed localization system is effective, with the integration of the Kalman filter and beacon selection mechanism significantly enhancing positional accuracy. This study contributes to the advancement of indoor localization by providing a robust and cost-efficient system suitable for autonomous mobile robot navigation.
Developing Wide Flexible Robust PWM Driver by Flip Flop For Supporting The SMPS Technology Sujono, Augustinus; Adriyanto, Feri; Maghfiroh, Hari; Saputro, Joko Slamet; 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.2.1.41352

Abstract

The limitation of the operational area of the PWM signal generator provided by the microprocessor or chip, give the opportunity to develop flip flop technology that has been widely used in digital technology as a latch, counter, register, memory and so on, will  be able to be developed into a PWM driver. Flip flop technology has developed and is able to reach a very wide operational area regarding voltage and frequency variations. So in this research flip flop technology was developed as a PWM signal driver and the results were better, involving the ability to vary voltage from 6 to 60 Volts, frequencies from 2 to 81 kHz and duty cycles of 10 -75%. Furthermore, if a component with higher capability is selected, it will be able to operate in very low to very high operating areas, exceeding the capabilities of the microprocessor or chip.
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