A Temperature Control System for Near Infrared Spectroscopic Analysis using Proportional Controller


  • Kim Seng Chia Universiti Tun Hussein Onn Malaysia


Near Infrared Spectroscopy (NIRS), Proportional Controller, Peltier, Temperature control system.


Near Infrared Spectroscopy (NIRS) has been widely investigated as an alternative to replace conventional chemical analysis. However, NIRS analysis is susceptible to the change of surrounding temperature. This will affect the NIRS analysis and cause the result inconsistent. Therefore, this paper presents a work in designing the temperature control system for NIRS data acquisition. First, the cooling element of the system was designed using a TEC1-12706 Peltier as a cooling element, and a temperature sensor LM35 was used to measure the temperature inside the data acquisition container. The PWM signal of microcontroller was used to control the N-channel MOSFET so that the desired temperature can be achieved. The Arduino Uno was used as the microcontroller of the system. Lastly, a Proportional Controller was applied for forming the temperature control system in the container and the performance of the system was analysed. Results show that the Proportional Controller outperformed to Logic controller. Findings indicate that the proposed control system with optimal Kp value is able to maintain the desired temperature.


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Author Biography

Kim Seng Chia, Universiti Tun Hussein Onn Malaysia

Kim Seng Chia completed his Bachelor Degree in Electrical Engineering (First Class Honours) at Universiti Teknologi Malaysia in 2010. He received his doctorate at Universiti Teknologi Malaysia in 2014. His PhD research focused on developing predictive models that are capable of predicting the soluble solids content of a pineapple non-destructively by means of near infrared spectroscopy. He served Southern University College, Malaysia from Mac 2014 to August 2014 as an assistant professor. He is currently serving Universiti Tun Hussein Onn Malaysia in Faculty of Electronic and Electrical Engineering as an academic staff.




How to Cite

Chia, K. S. (2017). A Temperature Control System for Near Infrared Spectroscopic Analysis using Proportional Controller. International Journal of Integrated Engineering, 9(3). Retrieved from https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/1757