Abstract
A multisensor control system based on the LabVIEW myRIO programming has been created for monitoring indoor air quality. The purpose of this research is to create a system to monitor and control the levels of CO and CO2 in the room so that it remains within the threshold of healthy air and does not endanger users. The research phase began with the manufacture of a multisensor circuit and a relay module for the air purifier system and connected to the input and output ports of the myRIO module as a processor programmed with LabVIEW. The process of testing the multisensor response and the activation response of the air purifier on-off is carried out in open areas and indoors by adding artificial air pollution. Besides, air quality control and monitor is also carried out when the level of CO or CO2 gas exceeds the threshold by increasing the number of users and set the air conditioner activation. From the results and data analysis, it was found that the system could be used as a monitor and control the indoor air quality as expected. The range of CO sensor readings is 7.46 ppm - 27.65 ppm and CO2 296.8 ppm - 1190.5 ppm. Air purifier on-off control response time to change of CO and CO2 are 7 and 6 seconds. The air purifier system is able to clean indoor air with a long activation time depending on the number users and the room air conditioner activation settings.
Highlights
A multisensor control system based on the LabVIEW myRIO programming has been created for monitoring indoor air quality
so that it remains within the threshold of healthy air
The research phase began with the manufacture of a multisensor circuit
Summary
Udara yang bersih dan sehat merupakan hal yang penting untuk kenyamanan seseorang dalam beraktifitas apalagi beraktifitas dalam ruangan [1]. Jadi sensor terhubung dengan rangkaian pembagi tegangan pengujian ini bertujuan untuk membuktikan kemampuan dan rangkaian penguat pembanding sebagai pre- sistem melakukan monitor dan kontrol kualitas udara processing untuk mendapatkan data tegangan sensor agar selalu berada pada kategori udara sehat bagi sesuai dengan perubahan kadar gas CO dan CO2. Modul myRIO merupakan komponen utama dan diprogram dengan menggunakan pemrograman LabVIEW agar dapat memproses data multisensor dan melakukan aksi kendali ON-OFF untuk sistem pembersih udara berdasarkan data sensor Untuk memudahkan pengguna mengamati data hasil deteksi sensor dan proses sistem, maka display sistem dilengkapi VI dengan tampilan kadar CO dan CO2 dalam satuan ppm dan indikator aktivasi pembersih udara. Disamping itu sistem ini juga mampu mengaktifkan pembersih udara secara otomatis untuk membersihkan udara ruangan agar kembali berada pada batas ambang atau setting point yang ditentukan ketika terjadi peningkatan kadar CO dan CO2. Hasil Uji Respons Sensor di Area Terbuka dan Ruang Tertutup
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