改变传统射频治疗仪输出功率算法，采用PID控制算法，可以使射频治疗仪输出功率更加准确和稳定，提高治疗效果。本文就构建射频功率控制的数学模型，对PID控制算法进行仿真研究，实现PID控制器的设计以及参数的整定，并且设计温度控制策略，并在离体组织中进行实验研究，验证PID控制的有效性作了详细阐述。%Changing the output power algorithm of traditional radiofrequency treatment instrument and using PID control algorithm can make the output power of radiofrequency treatment instrument more accurate and stable and improve the treatment effect. This paper builds the mathematical model of radiofrequency power control to study the simulation of PID control algorithm, realize the design PID controller and parameter tuning, carry out the experimental study of in vitro tissue and verify the effectiveness of PID control.
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