The block diagram of step heating-furnace speed control system is drawn, according to which the transfer function of the system is arrived at and the factors that affect the dynamic property of the system are analyzed in detail.

• 摘要建立了步进加热炉速度控制系统的方框图，通过方框图求出了该系统的传递函数，并对影响系统动态特性的因素进行了详细分析。