In order to solve the problem of inaccurate of the temperature control in radiofrequency hyperthermia,this paper designed MSP430-based radiofrequency hyperthermia system.Using infrared temperature sensor of MLX90615 t...In order to solve the problem of inaccurate of the temperature control in radiofrequency hyperthermia,this paper designed MSP430-based radiofrequency hyperthermia system.Using infrared temperature sensor of MLX90615 to measure the target temperature,PID algorithm to adjust the duty cycle of the Pulse Width Modulation(Pulse Width Modulation,PWM)wave from the MSP430,achieved a precise control of temperature of hyperthermia through the closed loop system.Use the keyboard to set the temperature,and the LCD display the measured temperature value real-time.Through the experimental test,this system is stable and reliable,with a temperature control error within±0.5℃,and has good application prospects.展开更多
文摘In order to solve the problem of inaccurate of the temperature control in radiofrequency hyperthermia,this paper designed MSP430-based radiofrequency hyperthermia system.Using infrared temperature sensor of MLX90615 to measure the target temperature,PID algorithm to adjust the duty cycle of the Pulse Width Modulation(Pulse Width Modulation,PWM)wave from the MSP430,achieved a precise control of temperature of hyperthermia through the closed loop system.Use the keyboard to set the temperature,and the LCD display the measured temperature value real-time.Through the experimental test,this system is stable and reliable,with a temperature control error within±0.5℃,and has good application prospects.
