The classical control method is usually hard to ensure the thermal power tracking accuracy,because the nuclear reactor system is a complex nonlinear system with uncertain parameters and disturbances.

• 核电站的动力堆控制系统是一个带不确定参数及干扰的复杂非线性系统,采用常规的古典控制很难保证其热功率精确跟踪汽轮机负荷的变化。