The Tumor Thermotherapy Fuzzy Control System Based on Interpolation Algorithm

Because of the size, position, property of the tumor organization are different, as well as in individual difference and tumor organization´s change in thermotherapy process, it is very difficult to set up the mathematical model with accurate system, so it is unable to reach the ideal result to adopt traditional PID to regulate. The based on interpolation algorithm tumor thermotherapy fuzzy control system take ARM9 S3C2410 as the core to constitute, including the thermo-element multi-spot temperature gathering module and conversion system, power amplification control, USB memory administration module, LCD display control drive subsystem modules, keyboard as well as other basic function modules, completes the specific logical function separately. simplified the design of the fuzzy control list; Through the improvement to the output method of the fuzzy control, enhanced the system quality. After the experiment and actual run indicated that this system dynamically responds well, over modulation is small, stable state quality is high, without static difference, strong robustness and so on characteristics, satisfies the clinical tumor thermotherapy request.