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Engineering Setting on Traffic Lights Based on Number of Vehicles with Fuzzy Logic Algorithm Iswanjono, Iswanjono; Putri, Regina Chelinia Erianda; Adiyanto, Ignasius Tegar
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Sekolah Tinggi Teknologi Adisutjipto

At crossroads there is often a queue of vehicles that are not evenly distributed in each branch, but the length of the green light remains (not adaptive). So prototype was made to regulate the green light based on the number of vehicles with the help of the Fuzzy Logic Algorithm. Beginning with the next fuzzification stage with the help of the rule base to the defuzzification stage which produces a long green light. The results of the study, Fuzzy Logic algorithm can set the length of green light for each branch based on the number of vehicles. If a branch has more vehicles than other branches, the length of time for the green light on the branch is longer than the other branches. The percentage of error testing with theoretical calculations is 0.05% and the percentage of success is 99.95%.

Engineering Setting on Traffic Lights Based on Number of Vehicles with Fuzzy Logic Algorithm Iswanjono, Iswanjono; Putri, Regina Chelinia Erianda; Adiyanto, Ignasius Tegar
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v4i0.209

At crossroads there is often a queue of vehicles that are not evenly distributed in each branch, but the length of the green light remains (not adaptive). So prototype was made to regulate the green light based on the number of vehicles with the help of the Fuzzy Logic Algorithm. Beginning with the next fuzzification stage with the help of the rule base to the defuzzification stage which produces a long green light. The results of the study, Fuzzy Logic algorithm can set the length of green light for each branch based on the number of vehicles. If a branch has more vehicles than other branches, the length of time for the green light on the branch is longer than the other branches. The percentage of error testing with theoretical calculations is 0.05% and the percentage of success is 99.95%.

OPTIMASI KINCIR AIR TIPE UNDERSHOT: PENGARUH JUMLAH SUDU DAN KETINGGIAN MENGGUNAKAN PENDEKATAN EKSPERIMENTAL Nugroho, Oktavianus Ardhian; Krishna Sampurno, Carolus Borromeus; Erianda Putri, Regina Chelinia
Machine : Jurnal Teknik Mesin Vol 10 No 1 (2024): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v10i1.3932

Energi listrik merupakan energi yang paling dibutuhkan saat ini. Energi listrik sudah menjadi hal utama dalam seluruh segi kehidupan manusia karena itulah pemenuhan kebutuhan energi listrik menjadi sangat penting. Bentuk pembangkit energi yang menggunakan sumber terbaharukan menjadi hal utama yang dicari saat ini. Ada beberapa jenis energi terbaharukan yang dapat dijadikan sebagai sumber energi terbaharukan misalnya seperti energi surya, angin, dan air. Energi air merupakan salah satu sumber energi terbarukan yang pemanfaatannya tidak menimbulkan dampak pada lingkungan sekitar. Penggunaan kincir air merupakan salah satu pemanfaatan energi air menjadi pembangkit listrik mikrohidro (PLTMH). Namun tidak semua kincir air dapat dimanfaatkan pada head rendah dan debit yang besar. Dari bermacam macam jenis kincir jenis kincir air undershot memiliki konstruksi sederhana, dapat dimanfaatkan pada head rendah dan debit kecil namun memiliki efisiensi yang rendah. Tujuan dari penelitian ini untuk mengetahui performa terbaik dari penggunaan jumlah sudu, ketinggian, dan penggunaan bentuk sudu dari kincir air undershot. Dari penelitian ini diketahui bahwa penggunaan bentuk sudu setengah silinder dapat mengurangi gaya hambat dari air yang ada di belakang sudu yang dapat mengurangi gaya dorong hasil tumbukan air dengan bagian depan sudu. Hasilnya didapatkan bahwa performa terbaik dicapai pada penggunaan jumlah sudu setengah silinder dan jumlah sudu 16 buah sudu yaitu sebesar 2,19 %.

OPTIMASI KINCIR AIR TIPE UNDERSHOT: PENGARUH JUMLAH SUDU DAN KETINGGIAN MENGGUNAKAN PENDEKATAN EKSPERIMENTAL: Bahasa Indonesia Krishna Sampurno, Carolus Borromeus; Nugroho, Oktavianus Ardhian; Erianda Putri, Regina Chelinia
Machine : Jurnal Teknik Mesin Vol 10 No 1 (2024): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v10i1.3932

Electrical energy is the most needed energy today. Electrical energy has become the main thing in all aspects of human life, that's why meeting the needs of electrical energy is very important. The form of energy generation that uses renewable sources is the main thing to look for today. Several types of renewable energy can be used as renewable energy sources such as solar, wind, and water. Water energy is one of the renewable energy sources whose utilization does not have an impact on the surrounding environment. The use of waterwheels is one of the uses of water energy into microhydro power plants (PLTMH). However, not all waterwheels can be used at low heads and large discharges. Of the various types of waterwheels, the undershot waterwheel type has a simple construction, can be used at low heads and small discharges but has low efficiency. This study aimed to determine the best performance from the use of the number of blades, height, and use of the blade shape of the undershot waterwheel. From this study, it is known that the use of a semi-cylindrical blade shape can reduce the drag force of the water behind the blade which can reduce the thrust resulting from the collision of water with the front of the blade. From the study results, it was found that the best performance was achieved using the number of semi-cylindrical blade and the number of 16 blade, which was 2.19 %.

Rancang Bangun Purwarupa Plant Traffic Light Berdasarkan Kecepatan Pada Model Kendaraan Roda Empat Menggunakan Sistem Algoritma Logika Fuzzy Oktavianus Ardhian Nugroho; Regina Chelinia Erianda Putri; Ignasius Tegar Adiyanto
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 11 No 1 (2025): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v11i1.6555

Generally, traffic light control systems in Indonesia only regulate based on fixed time. This becomes a problem when there is a buildup of vehicles on one side. From the results of field observations, one of the causes of this buildup is due to the setting of the lights that do not adjust the speed of the vehicle which is connected to the determination of the duration of the green light. In this study, a prototype system of plant traffic light control was created using a fuzzy logic system applied to the ATmega32 microcontroller. By comparing the speed of the car on each side, data was obtained from the algorithm that can be used to regulate the time of the traffic lights in each direction. The prototype that was created functions adaptively. From the results of this study using the prototype, it was found that by regulating the duration of the green light in the traffic light system, a success rate of 99.97% was obtained. Where if the vehicle speed is high, the green light duration value becomes fast and vice versa.

Design Of Maximum Torque Per Ampere Control Method In Squirrel Cage Three-Phase Induction Motor Putri, Regina Chelinia Erianda; Yusivar, Feri
International Journal of Applied Sciences and Smart Technologies Volume 06, Issue 1, June 2024
Publisher : Universitas Sanata Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/ijasst.v6i1.7396

Improving the performance of three-phase induction motors is currently carried out by various control methods. One of them is controlling a three-phase induction motor using the Maximum Torque Per Ampere (MTPA) method. This paper focuses on the study of modeling specific motor models using the MTPA method. The purpose of the study is to prove that with the squirrel cage motor model, the speed can be increased above its rating. The MTPA method is a method of controlling a three-phase induction motor by controlling the current from the torque speed. Modeling is tested to see the responsiveness of the modeled system. The experimental results were tested using two-speed references and the system showed that MTPA control induction motors can improve the performance of three-phase induction motors. The results from the design show that the MTPA method can increase the performance of three-phase induction motors to reach 84.4%. The results of this study can be used as one way to model induction motors.

Design of a Speed Sensorless Control System on a DC Motor using a PID Controller Harini, Bernadeta Wuri; Gunadi, Theodore Galeno; Mahardika, Shakuntala Gema; Pangestu, Sirilus Praditya; Putri, Regina Chelinia Erianda; Mardikus, Stefan
International Journal of Applied Sciences and Smart Technologies Volume 07, Issue 2, December 2025
Publisher : Universitas Sanata Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/ijasst.v7i2.13271

The speed sensorless control system on a DC motor is a DC motor speed control system that does not use a speed sensor to measure the motor speed. The motor speed value is estimated by an observer from the stator current and voltage that are measured using a sensor. This study uses an R observer method. The difference between the estimated speed and the reference speed is then used by the PID controller to adjust the motor speed to match the desired reference speed. PID parameter tuning using heuristic method. With a setpoint of 6800 RPM and using a combination of Kp = 0.5, Ki = 0.05, and Kd = 0.34, a speed value of 6792.76 RPM was obtained. Sensorless motor speed control using a PID controller produces an optimal system with a low Steady State Error (SSE) value of around 0.1%, very small oscillations of 0.39%, a fast rise time of 4 seconds, and a fast settling time of 6 seconds.

Modelling and Analysis of Ziegler-Nichols PID Tuning on Water Tank Control System Regina Chelinia Erianda Putri; Bernadeta Wuri Harini; Iswanjono
International Journal of Applied Sciences and Smart Technologies Vol. 8 No. 1 (2026): Volume 08, Issue 1, June 2026
Publisher : Faculty of Science and Technology, Universitas Sanata Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/h3tt2b23

In the industrial world, the water level in the tank is often controlled using a PID controller. The main problem in using a PID controller is the problem of tuning the three PID parameters (Proportional gain, Integral gain, and Derivative gain). In this study, the parameter controller tuning is done using the heuristic tuning method that is applied on the water level plant and the Ziegler-Nichols tuning method that is simulated using MATLAB software. The results of both tuning methods will be compared. To simulate the control system, the water level system in the tank is modeled in the form of a first-order plus dead time modified with the Pade approach. Tuning using the Ziegler-Nichols method produced a good response, where the final value of the water level was the same as the set point value (SSE = 0%) with a settling time of 6.18 minutes.

IMPLEMENTASI GERAKAN MANIPULATOR LENGAN ROBOT DENGAN METODE PENDEKATAN NUMERIK INVERS KINEMATIK Regina Chelinia Erianda Putri
Jurnal Elektro Kontrol (ELKON) Vol. 5 No. 2 (2025): Jurnal ELKON
Publisher : Teknik Elektro Fakultas Teknik Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/elkon.v5i2.15944

Lengan robot yang memiliki 2 DoF (Degree of Freedom)Â merupakan dasar fundamental penting dalam kemajuan dan perkembangan sistem robotika. Sistem ini digunakan untuk mempelajari prinsip-prinsip kinematika, kontrol, dan perencanaan pergerakan lengan robot. Tantangan utama saat merancang dan mengoperasikan lengan robot adalah menemukan titik tujuan dari posisi end-effector dari lengan robot yang masih sangat terbatas dan masih jarang diekspose. Solusi kinematika invers (inverse kinematics/IK) yang tepat dapat digunakan untuk menentukan titik koordinat posisi yang diinginkan dari end-effector. Penelitian ini bertujuan untuk menganalisis serta membandingkan solusi kinematika invers melalui teori, simulasi, dan penerapan langsung pada perangkat keras (hardware). Dalam perhitungan IK teoritis, metode geometris diterapkan dan hasilnya diuji dengan simulasi dan percobaan langsung pada prototipe lengan robot 2 DoF. Penelitian menunjukkan perbedaan yang sangat kecil antara posisi end-effector yang dihitung secara teoritis dan posisi asli pada penerapan, dengan kesalahan maksimum kurang dari 1%. Hal ini membuktikan bahwa pendekatan geometris pada kinematika invers dapat diterapkan dengan efektif dan akurat pada sistem robotika yang sederhana dan menyediakan dasar yang kuat untuk pengembangan kontrol robotika yang lebih rumit.

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