全钢轮胎仿形缠绕过程的模型预测控制

Research on model predictive control for all-steel tire profiling winding process

为提高轮胎仿形缠绕控制系统的稳定性及控制的快速性,根据缠绕系统数学模型,提出噪声不确定系统的基于动态输出反馈预测控制算法。通过缠绕模型的估计状态与误差集合,建立误差离线数据库;在线时,估计误差在辅助优化中实时更新,计算实时控制器与预测控制器。实验结果表明,改进后的控制方法可行、有效,大幅提升了控制的快速性,并且误差可控制在稳定的范围内,适合实际生产。

In order to improve the stability of tire profiling winding system and control performance,according to the tire pro-filing winding mathematics-model,the dynamic output feedback predictive control is proposed for a system with disturbance uncertainty.The off-line error database is established by estimating the state and error set of winding model.Moreover,the estimation error is updated in real-time in the auxiliary optimization.It can calculate the real-time controller and predictive controller online.Experimental results show that the improved method is feasible and effective,and increases the control-speed.In addition,it is suitable for real applications and the error can be controlled in a stable range.