目的 解决卷对卷印刷收卷不齐的问题，提高收卷精度。方法 对印刷机收卷纠偏原理进行分析，建立收卷纠偏系统数学模型，提出基于分数阶滑模控制的纠偏算法，分析其稳定性。在不同收卷线速度、不同跑偏干扰输入信号的条件下进行仿真。搭建收卷纠偏实验平台，对2种控制方法进行收卷纠偏控制实验。结果 仿真结果表明，分数阶滑模控制器比传统PID控制器具有较好的动态性能和稳态性能。实验结果表明，分数阶滑模控制算法比传统PID控制具有更高的纠偏精度。结论 分数阶滑模控制算法可以有效提高印刷机收卷纠偏精度，满足高精度印刷要求。

The work aims to solve the problem of uneven roll-to-roll printing, and improve the winding accuracy. The principle of winding and guiding of printing press was analyzed. The mathematical model of winding and guiding systems was established. A correction algorithm based on fractional-order sliding mode control was proposed to analyze its stability. Simulation was carried out under the condition of setting different winding line speeds and different misalignment interference input signals. An experiment platform of winding and guiding was established to conduct winding and guiding experiments on the two control methods. The simulation results showed that fractional-order sliding mode controllers had better dynamic performance and steady-state performance than traditional PID controllers. The experimental results showed that the fractional-order sliding mode control algorithm had higher guiding accuracy than traditional PID controllers. In conclusion, the fractional-order sliding mode control algorithm can effectively improve the winding and guiding accuracy of the printing press and meet the requirements of high-precision printing.