串级模糊自适应PID控制的分时分区温控系统

Time-sharing zoned temperature control system for cascade fuzzy adaptive PID control

高校分时分区供热可因地制宜地控制高校建筑供热时间和供热温度,解决全天无差别供热造成的能源浪费问题。由于供热系统存在反应时间长、系统超调大、系统不稳定等特点,分时分区供热的重要性更为突出,采用串级自适应模糊PID控制算法来改善温控系统。实验表明,该算法可以使系统的超调量降低3%,系统供水温度最大偏差小于0.1℃,提高了系统的稳定性,改善了传统PID的性能,改善了分时分区供热系统的控制方法,提高了供热质量,使控制策略更加合理,减少了温控系统运行时的能量损耗。

Time-sharing zoning is due to the different heating demand of colleges and universities during winter vacation and school period,and according to local conditions to control the length of heating time and heating temperature of college buildings,to avoid energy waste caused by undifferentiated heating throughout the day,because the heating system has long reaction time,system overshoot,system instability and other characteristics,especially the time-sharing district heating system is more prominent,so the use of cascade adaptive fuzzy PID control algorithm to improve the temperature control system Through experiments,the algorithm shows that the overshoot of the system can reduce the overshoot of the system by 3%.The maximum deviation of the system water supply temperature is less than 0.1℃,which enhances the stability of the system,improves the performance of traditional PID,improves the control method of time-sharing district heating system,makes the control strategy more reasonable,reduces the energy loss during the operation of the temperature control system,makes it more energy-saving and improves the quality of heating.