Wireless Control and Automation of Hot Air Temperature in Oven for Sterilization using Fuzzy PID Controller and Adaptive Smith Predictor

Hot air ovens are bio-medical instruments that uses dry heat to sterilize. Hot air oven is widely used in hospitals for sterilization of syringes and surgical equipments. Remote monitoring and control of air temperature in hot air oven eases the work. Modern bio-medical instruments and commercial Systems require integration of both computing and control of process into different levels of machine operations and information process to reduce the cost. As a result the existing Ethernet cables are used to transmit the measured value from the process to the controller and control signal from controller to the process. The challenge for researches in this area is to maintain the optimum temperature in hot air ovens from a farther distance. To address this challenge, a hot air oven system was modelled and a controller was deployed at a farther distance and the signals were transmitted to and fro via Ethernet cable. In a nutshell, this paper proposes on development of different control strategies for temperature control in hot air ovens.