Mathematical model and control law of the digital electro hydraulic proportion system are put forward. Furthermore, computing simulation and experimental verification are carried out.

提出了数字电液比例系统的数学模型及控制规律，并进行了计算机仿真及实验验证。

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By analyzing wrapper roll's AJC action and control, the AJC system is designed and its mathematic modeling, emulation analysis and analogue loading verification are conducted.

通过对卷取机助卷辊的AJC动作及控制的分析，设计出了AJC控制系统，并对其进行了建模及仿真分析、模拟加载验证。

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Through simulation verification and comparison with conventional cascade PID control system, the results show the self-adaptive PSD control system has better control effectiveness.

通过仿真验证并与常规串级PID控制系统进行比较，表明自适应PS D控制系统具有更好的控制效果。

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