Title :
Optimal monitoring point for temperature and power control in microwave ablation system by using FEM
Author :
Pairoch, S. ; Phasukkit, P. ; Sanpanich, Arthorn
Author_Institution :
Fac. of Eng., King Mongkut´´s Inst. of Technol. Ladkrabang, Bangkok, Thailand
Abstract :
This study presents an optimal location of monitoring point for using by PID system to control temperature and output power of hepatic cancer microwave ablation system. We investigated a relation between output power and treatment time in hepatic ablation. A simple simulation model was adapted from COMSOL FEM solver. As a preliminary, monitoring point was supposed to place at 0.5 centimeter besides ablation probe. The simulation results shown that temperature at this monitoring point is linearly related to output power and treatment time.
Keywords :
biothermics; cancer; finite element analysis; medical control systems; microwave heating; optimal control; power control; radiation therapy; temperature control; three-term control; COMSOL FEM solver; PID system; ablation probe; hepatic cancer microwave ablation system; optimal monitoring point; output power control; power control; simulation model; temperature control; treatment time; Cancer; Electromagnetic heating; Microwave antennas; Microwave theory and techniques; Monitoring; Temperature measurement; Finite Element Analysis; Microwave ablation; Monitoring point; Temperature and power control;
Conference_Titel :
Biomedical Engineering International Conference (BMEiCON), 2012
Conference_Location :
Ubon Ratchathani
Print_ISBN :
978-1-4673-4890-4
DOI :
10.1109/BMEiCon.2012.6465476
