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All Journal Indonesian Journal of Electronics and Instrumentation Systems
Tri Wahyu Supardi
Universitas Gadjah Mada
Electrical & Electronics Engineering

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Studi Perbandingan Daya dan Konsumsi Energi Dispenser: Kontrol PID vs. Kontrol Termostat Nugroho, Ferdinand Kristantyo; Supardi, Tri Wahyu
IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) Vol 14, No 1 (2024): April
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijeis.92788

Abstract

The production of electrical energy still relies on fossil fuels which produce greenhouse gas emissions and cause global warming. This issue requires a more efficient and effective use of electrical energy. On the other hand, electricity remains an essential daily need, such as for powering hot water dispensers. However, traditional on-off dispensers operate at maximum power, leading to potential household disruptions. It would be more beneficial if dispensers did not use maximum power while maintaining their temperature during standby. This research aims to propose a solution to reduce power usage and suppress electricity consumption in dispensers.This study implements PID control in a hot water dispenser to gather information on its power and energy consumption. Using the Ziegler-Nichols method, tuning parameters were determined as follows: Kp=15.0261, Ki=0.1633, and Kd=345.6. Data acquisition for temperature, power, and energy was conducted on the on-off thermostatic dispensers set at 80°C and 93°C, as well as on PID-controlled dispensers with setpoints at 80°C and 93°C. The results indicate that the PID-controlled dispenser uses only 30% of the maximum power, although the total energy consumption increases by 17Wh to 57Wh due to the need to maintain the temperature close to the setpoint
Pengembangan Prototipe Sistem Peringatan Dini Tabrakan Belakang Pada Truk Berbasis Arduino Fadli, Achmad; Supardi, Tri Wahyu
IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) Vol 15, No 1 (2025): April
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijeis.103378

Abstract

 Rear-end collisions with trucks often occur due to the lack of driver awareness in maintaining a safe following distance, as well as the presence of blind spots around the truck, especially at the rear. These blind spots make it difficult for drivers of vehicles too close to the truck to be detected, thus increasing the risk of collision, especially during sudden braking. To address this issue, this study develops a prototype of a rear-end collision early warning system based on Arduino, using TF02-Pro LiDAR and MK421137 speed sensors. This system is designed to detect the distance and speed of vehicles behind in real-time and provide an alarm warning if the distance and speed conditions reach dangerous thresholds.              Testing was carried out using simulations with variations in the speed of the following vehicle at 15 km/h, 20 km/h, and 30 km/h. The results showed that the system successfully detected the speed of the following vehicle with an accuracy of 97.75% and an average error of 2.25%. Furthermore, the alarm status was successfully activated based on the predefined distance and speed thresholds. This prototype is expected to enhance road safety by providing effective early warnings to drivers behind trucks.
Co-Authors Achmad fadli, Achmad Nugroho, Ferdinand Kristantyo