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Design, Modeling and Simulation of Microhotplate in Gas Detection Application

Mohd Faisal Baskaran, Fatimah (2017) Design, Modeling and Simulation of Microhotplate in Gas Detection Application. UNSPECIFIED.

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Abstract

In this paper, the modeling and design of the platinum Microhotplate (MHP) for gas sensing applications using Coventorware is presented. The MHP is designed to achieve good temperature uniformity with low power dissipation. The length of MHP microbridges are varied from 120 to 200 while the width of MHP microbridges are varied from 10 to 30 , the effect of the length and width are investigated and the optimized design with microbridges length of 160 and width of 20 is chosen. From the mathematical modeling, the power dissipation and the operating temperature are calculated by applying actuation voltage from 0.25V to 2V. The modeling gives out the power dissipation of MHP from 0.13mW to 8.57mW for operating temperature from 9.5°C to 607.85°C meanwhile the simulation gives out the power dissipation of 0.14mW to 8.71mW for temperature from 9°C to 586.78°C with temperature gradient of the MHP is 4.18°C.

Item Type: Final Year Project
Academic Subject : Academic Department - Electrical And Electronics - Pervasisve Systems - Digital Electronics - Design
Subject: UNSPECIFIED
Divisions: Engineering > Electrical and Electronic
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 20 Jun 2019 11:06
Last Modified: 20 Jun 2019 11:06
URI: http://utpedia.utp.edu.my/id/eprint/19117

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