Analysis of an Electronic Heating Device: System Modeling, Identification and Control

In this article, a comprehensive investigation is provided for the system modeling, parameter identification, and temperature trajectory controller design of an electronic heating device. Temperature control of metal plate heating systems is crucial in both consumer electronics and industrial fields. Thus, we focused on an electronic heating device as a representative case of a metal plate heating system and proposed modeling and temperature trajectory tracking controller for such a system. First, a nonlinear model is derived based on thermal modeling. Additionally, an integral method is applied for parameter identification to suppress the impact of measurement noise. Considering system uncertainties and external disturbances, this study utilizes linear matrix inequalities (LMIs) to solve for the optimal PI controller gains. The robust performance and minimum gain control demands are realized in the form of an LMIs optimization problem, hence guaranteeing asymptotic stability to a specified bound. Finally, cross-validation was conducted using numerical simulations and experimental results, verifying the consistency between theoretical derivation and practical realization. To our best knowledge, the investigations regarding the modeling, identification, as well as control design of this electronic heating system are not shown in relevant literature. The associated results can also be extended for industrial applications.