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Vol. 143, No. 8, August 2012, pp. 88-97




FPGA-Based Temperature Monitoring and Control System for Infant Incubator
1 Bharathi Navaneethakrishnan, 2  Neelamegam P.

1 School of Computing, SASTRA University, Thanjavur 613401, India

Tel.: +91 9566039944

2 School of Electrical & Electronics Engineering, SASTRA University, Thanjavur 613401, India

Tel.: +91 4362 238030

E-mail: bharathi_n@cse.sastra.edu, neelkeer@eie.sastra.edu



Received:   13 June 2012   /Accepted: 21 August 2012   /Published: 28 August 2012

Digital Sensors and Sensor Sysstems


Abstract: The incubator plays a key role in taking care of premature infants in hospitals. Preterm babies who receive incubator care after birth are two to three times less likely to suffer depression as adults. In this work, an efficient FPGA-based temperature monitoring and control system is designed and implemented using LM35D sensor and associated peripherals to measure and control the temperature of incubator. This paper proposed an experimental framework and verilog implementation of, protocol for reading temperature by FPGA from 12-bit ADC which is connected with sensor, the control algorithm at FPGA, passing control signals to electronic relay for controlling the temperature of the incubator and displaying the temperature in the LCD display. The performance of the developed system is analyzed and it consumes very low power compared to conventional system. It also shows 5 times increase in computation speed over the traditional embedded temperature monitoring system.


Keywords: Temperature sensor, Field programmable gate array, Temperature measurement, Infant incubator, Control system


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