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文章论述了超声热疗仪的多点实时温控系统的研制。该系统可实时采集病灶部位的多点温度，并采用积分分离、积分限幅和微分分离等改进的 Ｐ Ｉ Ｄ 算法控制病灶部位的温度。
This article discusses the development of multi-point real-time temperature control system for ultrasonic hyperthermia instrument. The system can acquire the multi-point temperature of the lesion site in real time, and uses the improved PID algorithm such as integral separation, integral limiting and differential separation to control the temperature of the lesion site.