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Journal : Sinergi

POWER SUPPLY MANAGEMENT SYSTEM DESIGN ON NODE EARLY WARNING SYSTEM FOR PEATLANDS FIRE MITIGATION Taufiq Muammar; Rahyul Amri; Yusnita Rahayu
SINERGI Vol 22, No 1 (2018)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.841 KB) | DOI: 10.22441/sinergi.2018.1.006

Abstract

Early warning system is one of the technology to detect land fires by utilizing a network of wireless sensors. Constant data transmission by the sensor nodes consumes a large amount of energy on the nodes’ sides that could affect the battery’s longevity. This research is done to discover the amount of power consumption and battery longevity during fire emergencies, and during non-emergency situation on peatlands. Power saving on the fire detecting system uses an LM35 temperature sensor, ATmega8 micro-controller and HC-12 transmission module. The overall result of powered by a 9 volt battery during fire emergencies, and during non-emergency, the power consumption reaches up to 1 Wh, with various longevity levels of the battery. The implementation of sleep/wake up mode scheduling during fire emergencies and non-emergencies could save battery for 2 hours compared to those without the power saving mode implementation. Power saving during fire emergency could be minimalized by activating the sleep mode activation power-down on the micro controller and it can also set the data transmission schedule to minimalize data usage during fire emergency, so that the usage of sleep/wake up mode interval scheduling during transmission could minimalize energy consumption and elongate the power supply active period.
RANCANG BANGUN SISTEM PENDETEKSI KEBAKARAN LAHAN GAMBUT JENIS KAYUAN DENGAN MEMANFAATKAN KARAKTERISTIK PANAS YANG DITIMBULKANNYA Gilang Bagaskara; Rahyul Amri; Yusnita Rahayu
SINERGI Vol 21, No 3 (2017)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (799.302 KB) | DOI: 10.22441/sinergi.2017.3.001

Abstract

Kebakaran lahan gambut yang sudah meluas menimbulkan bencana asap dan penyakit pada masyarakat. Pemantauan kebakaran lahan gambut yang memiliki tingkat akurasi tertinggi adalah ASEAN Specialized Meteorological Center (ASMC) dengan tingkat akurasi sebesar 60%. Dibutuhkan perancangan pendeteksi kebakaran lahan gambut, guna untuk mitigasi bencana kebakaran lahan gambut. Karena gambut yang ada di provinsi Riau umumnya adalah gambut jenis kayuan, jadi penelitian dilakukan pada gambut kayuan. Beberapa metode pengambilan data pada penelitian ini yaitu: uji laboratorium, pengambilan data di lahan gambut kondisi normal, pengambilan data di lahan gambut saat kejadian kebakaran dan pemetaan simpul. Berdasarkan hasil penelitian ini, sensor suhu LM35 memiliki tingkat akurasi dengan persen error rata-rata sebesar 0,22%. Suhu lahan gambut kayuan saat kondisi normal memiliki besar suhu yang selalu berada di bawah suhu udara sekitar. Saat kondisi terbakar besar, suhu lahan gambut kayuan terus meningkat dan melebihi besar suhu udara sekitar. Suhu udara sekitar saat kondisi normal atau saat terjadi kebakaran tidak ada perbedaan yang mencolok, karena kebakaran lahan gambut kayuan tidak begitu bergemuruh perubahan suhu udara sekitar. Radius sensor suhu LM35 pada alat pendeteksi kebakaran lahan gambut mencapai 4 m dengan lama waktu pembacaan 45 menit.