The temperature of resistor-furnace is a one-order inertial pure lagging system . By making computer simulation with MATLAB and adjusting Kp, we obtain a satisfied step response curve.

• 电阻炉炉温为一阶惯性纯滞后系统，通过MATLAB进行计算机仿真，调节Kp的值，可得到较为理想的阶跃响应曲线。