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Journal : Journal of Soft Computing Exploration

Lightweight discrete q-learning for self-tuning PID on ESP32: Robustness evaluation and cross-volume adaptation in egg incubators Efendi, Tino Feri; Zainal Arifin
Journal of Soft Computing Exploration Vol. 7 No. 2 (2026): June 2026
Publisher : SHM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52465/joscex.v7i2.8

Abstract

Temperature stability is the most crucial factor in the success of the egg incubation process. The use of conventional Proportional–Integral–Derivative (PID) control with static Ziegler–Nichols tuning often fails to adapt to external disturbances and thermal dynamics, leading to temperature overshoot that can be fatal to embryo survival. This study proposes the implementation of an adaptive PID controller using a Discrete Q-Learning method based on Edge-AI on an ESP32 microcontroller. Experimental results under standard conditions show that the Q-Learning method successfully reduces overshoot by up to 81.8%, limiting the temperature spike to only 0.2°C above the target of 38.0°C, and accelerating the stabilization time by 76.9% with a reduction in IAE of 52.5%. In the dynamic disturbance rejection test, the adaptive system validated the algorithm's robustness against dynamic disturbances. Furthermore, cross-environment adaptation evaluation by reducing the incubator volume by 50% demonstrates the agent’s autonomous adaptation capability, eliminating overshoot entirely (0.000°C) without parameter recalibration and reducing IAE by 55.1% compared to static PID. This study concludes that the implementation of Q-Learning on low-cost hardware produces a robust, precise, and autonomously adaptive thermal control system for agricultural technology applications.
Co-Authors A. Octamaya Tenri Awaru Abd Wafi Abd. Latif Adamu Abubakar Muhammad Ade Rahmad Kurniawan Adi, Hari Purnomo Agus Manfaluthi Agustin Rustam Akbar, Wahyu Andi Sadriani Ari Saputri Novita Anggraini Aufa, Naufatti Ayu Safitri Azzah Nayla, Azzah Baharuddin Baiq Azizah Haryantini Bayu Surindra budi sufyanto Cahyaningtyas Putri Suhita Camelia Verahastuti Desy Setyaningrum DEVIATUN Dewi Nawang Suprihatin Diana Indri Rukmana Didik Suryadi Dinda Ayu Izmi Dwiyanto, Hendri Edi Paryanto Efa Wahyu Prastyaningtyas Efendi, Tino Feri Elis Irmayanti Eunike Rose Mita lukiani Faradilla Andini Febry Nurhidayati Fenny Noor Salam Fernando, Zico Junius Fredo Ladona Alamsyah Ghufron Abdullah Hantari, Dimar Hardian Ningsih Hasyim, Fuadz I Made Sunantra Iksan Imam Fahrurrozi Intan Permata Hati Jonson Lumban Gaol Junaidi Junaidi Khairun Nisa, Khairun Nisa Khairunnisa Kholifatul Fauziah M. Tohir Miranda Nur Wahidah Mirfatul Hidayah Mita Sonaria Moch. Hoerul Gunawan Moh Holil Baitaputra Moh.Januar Rizqi Minallah Mohammad Ridwan Mufaizin, Mufaizin Muh. Rijal Muhammad Yusron Maulana El-Yunusi Musmuliadin Nadilla Aleyda Maqhfira Agustin Nayla, Azzah Nayla Nina Dyah Ayu Palupi Noorma Kurnyawaty Permadi, Asep Angga Pradana, Anditya Gilang Rizky Ramdesta, Andry Rio Ahmad Syaikhu Risti Endriani Arhatin Rita Seriani Romlah Roul Khoiron al-Bary Rozi Samuel Marbun Sarifatul Ulya Sembiring, Rinawati SILVIA EKASARI SITI FATIMAH Siti Zainab Sonjaya, Azhar Ramadhana Suhita, Cahyaningtyas Putri Sulaiman, Hudayah Suprihatin, Dewi Nawang Susi Damayanti Syahrizal Teguh Prakoso Tika Dewi Tjetjep Yusuf Afandi Vina Oktariana wali, Wali Ja'far Shudiq Wanda Wahdatunnisa Wardhana, Agung Widya Wawan Apzani Wijaya, Shepty Yaswar Aprilian Yunita Hariyani