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PROTEKSI OVERHEAT PADA PENGENDALI MOTOR BRUSHLESS DIRECT CURRENT UNTUK BECAK LISTRIK DENGAN SENSOR SUHU MENGGUNAKAN XMC1302 Trisna Pambudi, Kukuh; Firmansyah, Eka; Dhiya’ulhaq Priambodo, Muhammad Dyffa; Muhammad, Fadel
Jurnal Informatika dan Teknik Elektro Terapan Vol. 14 No. 1 (2026)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v14i1.8981

Abstract

BLDC motor controllers in light electric vehicles such as electric pedicabs are prone to excessive temperature rise due to high current and continuous operation, which may reduce system reliability. This study implements a BLDC motor controller based on the Infineon XMC1302 microcontroller using a Hall-sensor-based block commutation method and an NTC thermistor for thermal protection. Temperature data are acquired through the integrated ADC and used to adaptively regulate the PWM duty cycle via a throttle derating mechanism. Experimental results show that the duty cycle starts to decrease when the temperature exceeds 50 °C and is completely disabled above 70 °C. Laboratory and field tests on an electric pedicab demonstrate a continuous reduction in the speed profile as temperature increases, confirming effective thermal protection performance.
Contribution of Leg Muscle Explosive Power and Balance to Sickle Kick Speed in Pencak Silat Athletes Ahmad, Alvia; Sulfa, Muhammad; Prasetyo, Yudik; Widiyanto; Amiruddin; Muhammad, Fadel
Jurnal Ilmu Olahraga dan Kepelatihan Indonesia Vol 8 No 1 (2026): Indonesian Journal of Sport Science and Coaching
Publisher : Jurusan Pendidikan Olah Raga dan Kepelatihan FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/ijssc.v8i1.53316

Abstract

The sickle kick is one of the most frequently used techniques in pencak silat competitions and yields high scores, making kick speed a critical performance factor. A faster sickle kick is more difficult for opponents to anticipate, parry, or counter. Several physical components support effective sickle kick performance, including strength, flexibility, power, balance, and agility. This study specifically examined the contribution of leg muscle explosive power and balance to sickle kick speed. This research employed a correlational design involving 30 male athletes from the Pencak Silat Student Activity Unit of Universitas Negeri Yogyakarta (UNY), aged 19–23 years. Data were collected through tests and measurements, using the standing broad jump test to assess leg muscle explosive power, the standing stork test to measure balance, and a 10-second sickle kick speed test to evaluate kick performance. Data analysis was conducted using regression analysis to determine the contribution of each variable. The results revealed that leg muscle explosive power contributed 53.1% to sickle kick speed, while balance contributed 45.7%. When analyzed simultaneously, both variables accounted for 53.6% of the variance in sickle kick speed. These findings highlight the importance of developing leg muscle explosive power and balance within structured training programs to enhance sickle kick speed and overall competitive performance in pencak silat athletes.