模糊和PID混合温度控制器，在小偏差时使用pid控制，大偏差时使用模糊控制，通过开关来切换。本室里具有一定参考价值-Fuzzy and PID temperature controller hybrid, a small deviation in the use of pid control, the use of large deviation of fuzzy control, through the switch to switch. This room has a certain ref