M Adinura Julian Habibie
Fakultas Ilmu Komputer, Universitas Brawijaya

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Implementasi Time Redundancy pada Sistem Monitoring Sungai yang berbasis Mikrokontroler NodeMCU dan LabVIEW M Adinura Julian Habibie; Mochammad Hannats Hanafi Ichsan; Wijaya Kurniawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 7 (2020): Juli 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

River flood can happen when the river's water overflowed. Because of the dangers this flood brings, we need a system to monitor the river's water level. This system can be implemented using microcontroller and using Internet of things to connect the system to the internet, so the user can monitor the river's condition easily. This system use ultrasonic sensor to measure water level. But, sometimes, sensor can be prone to error. To make up for this, we use time redundancy algorithm. Time redundancy is repeating sensor sensing multiple times to make up for any error that can happen. Time redundancy is used to measure water level in a corrugated water because in corrugated water, water level can raise up and down which will affect the measurement, and time redundancy can sense the water level multiple times in a different time. Those data then will be averaged to get the true water level, which is assumed when the water is still. Using time redundancy to measure water level in corrugated water has an accuracy of 93.87%. Testing the performance of UDP protocol, author found the implemented UDP protocol has 100% success ratio and transmission delay of 3136.93 microseconds.