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All Journal Journal of Embedded Systems, Security and Intelligent Systems Jurnal Teknologi Manufaktur dan Industri
Haslinda HS
Universitas Pejuang Republik Indonesia
Computer Science & IT Industrial & Manufacturing Engineering Mechanical Engineering

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PENINGKATAN TEMPERATUR UDARA MASUK RUANG PENGERING PADA ALAT PENGERING JAGUNG PELAT DATAR DENGAN PENUTUP KACA BERSUSUN Haslinda HS; Ramli Ramli; M. Ilham Nur
Jurnal Tematis (Teknologi, Manufaktur dan Industri) Vol 4, No 1 (2022): Jurnal Tematis (Teknologi, Manufaktur dan Industri)
Publisher : Politeknik Bosowa

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Abstract

Penelitian ini bertujuan untuk membandingkan lama pengeringan dan efisiensi alat pengering jagung menggunakan kolektor surya pelat datar  penutup kaca tunggal dan kaca bersusun. Metode yang digunakan adalah dengan membuat sebuah alat pengering dengan pelat 0,2 mm sebagai kolektor dengan menggunakan udara panas dan tenaga matahari sebagai media pengering. Alat ini, diharapkan dapat mengeringkan jagung dengan kadar air sebesar 14 % dengan penutup kaca tunggal dan kaca bersusun. Hasil penelitian menunjukkan bahwa  temperatur udara maksimum yang masuk kedalam ruang pengering  sebesar  63°C dengan perbedaan temperatur antara temperatur udara masuk dengan udara lingkungan sebesar 31,8 °C pada kaca tunggal penutup kaca bersusun temperatur udara maksimum masuk ruang pengering sebesar 67,2 °C dengan perbedaan temperature sebesar 32,3 °C . Kata kunci : Temperatur Udara,, Jagung  dan Penutup Kaca
Evidence Bounded ESP32 MQTT Supervisory Architecture for Schedule Controlled Industrial Compressors Ramli; Haslinda HS
Journal of Embedded Systems, Security and Intelligent Systems Vol 7 No 3 (2026): September 2026
Publisher : Program Studi Teknik Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/jessi.v7i3.13518

Abstract

Purpose – This study develops an evidence-bounded supervisory architecture for schedule-controlled industrial compressors using ESP32 and MQTT and evaluates whether site-reported energy reductions remain meaningful after runtime normalization and equipment-rating plausibility assessment. Design/methods/approach – An architectural case-study approach was applied to a reconstructed ESP32–MQTT supervisory specification and limited site-supplied records comprising one comparator of 120.00 kWh over 10 h and seven post-implementation observations over 8 h. The analysis combined supervisory state modeling, descriptive statistics, runtime-normalized demand, equipment-rating plausibility screening, and claim-evidence classification. Findings – Post-implementation energy averaged 95.57 kWh/day, representing a 20.36% reduction from the comparator. However, runtime decreased by 20.00%, while average demand changed only from 12.00 to 11.95 kW (-0.45%). The approximately 12 kW implied demand was also inconsistent with a straightforward compressor-only interpretation of the site-reported 5 HP rating. Thus, the evidence supports lower reported energy and runtime but not improved technical efficiency. Research implications/limitations – Interpretation is limited by a single comparator, seven post-implementation observations, an unresolved metering boundary, and unavailable pressure, airflow, calibration, and functional-test records. Originality/value – The study integrates non-blocking supervisory control with runtime normalization, physical plausibility screening, and explicit claim-evidence classification, providing a defensible framework for distinguishing architectural functionality from unsupported efficiency claims.
Co-Authors M. Ilham Nur Ramli Ramli Ramli