The centralised hazardous gas detector using microcontroller / Ishak Annuar

Monitoring and controlling system are imperative to prevent human and environment from dangerous effect of various factors of pollution. Until now, air pollution has been analyzed with precision laboratory instrument which are time-consuming, expensive, and can seldom be used in real-time in the fie...

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Main Author:	Annuar, Ishak
Format:	Thesis
Language:	English
Published:	2006
Subjects:	Control engineering systems Automatic machinery (General)
Online Access:	https://ir.uitm.edu.my/id/eprint/27604/2/27604.pdf
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id	my-uitm-ir.27604
record_format	uketd_dc
spelling	my-uitm-ir.276042024-04-30T02:19:23Z The centralised hazardous gas detector using microcontroller / Ishak Annuar 2006 Annuar, Ishak Control engineering systems. Automatic machinery (General) Monitoring and controlling system are imperative to prevent human and environment from dangerous effect of various factors of pollution. Until now, air pollution has been analyzed with precision laboratory instrument which are time-consuming, expensive, and can seldom be used in real-time in the field. As such, nowadays many applications for measuring hazardous pollution a v~ry precision analysis .of the gas is not required, but only an alarm level detection and safety of human. In the meantime, most of lower cost sensor systems available in the market are portable and decentralized. A new approach to centralized hazardous gas detectors using a low cost microcontroller system is presented. All relative work pertaining to the completion of the centralized system which composes of the development of gas sensor circuits, slave microcontrollers , RS-232 to RS-485 converter, optional central station were described. The centralized system utilizes a master slave communication where one master device controls the others slaves devices. The main station for operation of the system is monitored using Graphical User Interface (GUI) developed based on QBasic environment. A stand-alone main station is also developed by PIC microcontroller as an alternative central station. The GUI based on Visual Basic software is also developed for upgrading the capability with a new communication computer port operating under window environment. The developed system has shown that the auto switching mode of transmission could be implemented via the PIC microcontroller and RS485 transceiver. The use of PIC microcontroller has made the proposed system to be small in size which meets the trend of current technology. The complete prototype system is developed and the performance is reported. 2006 Thesis https://ir.uitm.edu.my/id/eprint/27604/ https://ir.uitm.edu.my/id/eprint/27604/2/27604.pdf text en public masters Universiti Teknologi MARA Faculty of Electrical Engineering
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
topic	Control engineering systems Automatic machinery (General)
spellingShingle	Control engineering systems Automatic machinery (General) Annuar, Ishak The centralised hazardous gas detector using microcontroller / Ishak Annuar
description	Monitoring and controlling system are imperative to prevent human and environment from dangerous effect of various factors of pollution. Until now, air pollution has been analyzed with precision laboratory instrument which are time-consuming, expensive, and can seldom be used in real-time in the field. As such, nowadays many applications for measuring hazardous pollution a v~ry precision analysis .of the gas is not required, but only an alarm level detection and safety of human. In the meantime, most of lower cost sensor systems available in the market are portable and decentralized. A new approach to centralized hazardous gas detectors using a low cost microcontroller system is presented. All relative work pertaining to the completion of the centralized system which composes of the development of gas sensor circuits, slave microcontrollers , RS-232 to RS-485 converter, optional central station were described. The centralized system utilizes a master slave communication where one master device controls the others slaves devices. The main station for operation of the system is monitored using Graphical User Interface (GUI) developed based on QBasic environment. A stand-alone main station is also developed by PIC microcontroller as an alternative central station. The GUI based on Visual Basic software is also developed for upgrading the capability with a new communication computer port operating under window environment. The developed system has shown that the auto switching mode of transmission could be implemented via the PIC microcontroller and RS485 transceiver. The use of PIC microcontroller has made the proposed system to be small in size which meets the trend of current technology. The complete prototype system is developed and the performance is reported.
format	Thesis
qualification_level	Master's degree
author	Annuar, Ishak
author_facet	Annuar, Ishak
author_sort	Annuar, Ishak
title	The centralised hazardous gas detector using microcontroller / Ishak Annuar
title_short	The centralised hazardous gas detector using microcontroller / Ishak Annuar
title_full	The centralised hazardous gas detector using microcontroller / Ishak Annuar
title_fullStr	The centralised hazardous gas detector using microcontroller / Ishak Annuar
title_full_unstemmed	The centralised hazardous gas detector using microcontroller / Ishak Annuar
title_sort	centralised hazardous gas detector using microcontroller / ishak annuar
granting_institution	Universiti Teknologi MARA
granting_department	Faculty of Electrical Engineering
publishDate	2006
url	https://ir.uitm.edu.my/id/eprint/27604/2/27604.pdf
_version_	1804889606745751552

The centralised hazardous gas detector using microcontroller / Ishak Annuar

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