An Output-Fusion Fuzzy Logic Controller for Tumor Thermal Ablation Therapy System with Wireless Power Transfer

Tumor thermal ablation therapy is a technology that uses high temperature to rupture tumor cells by the difference in heat resistance between normal cells and tumor cells. Among them, temperature control is particularly important for tumor thermal ablation therapy system with wireless power transfer. It will cause a lot of burden on the human body by exceeding the treatment temperature required for cautery, conversely, the purpose of cautery treatment cannot be effectively achieved. In this work, an output fusion fuzzy controller is designed. It includes a traditional fuzzy controller and two controllers which is also a fuzzy controller but be optimized for specific control performance indicators. According to temperature response changing, the output fusion fuzzy controller generates three output weights which correspond with three controllers for decision fusion, and then make the final output of controller include all advantages of three controllers at the same time. According to the experimental results, the output fusion fuzzy controller is significantly better than the traditional fuzzy controller in each control performance indicators.