This paper presents a method for optimizing the digital PID parameters on the basis of object unit-step response curve.

本文介绍了根据对象阶跃响应曲线进行数字PID调节器参数最优整定的方法。

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In general, the dynamic math model of a thermal process is an approximate transfer function obtained from step response curve which is figured through field experiment.

热工过程的动态数学模型通常通过现场试验作出它的阶跃响应曲线，然后从阶跃响应曲线得出近似传递函数。

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