In order to improve the control accuracy and stability of variable frequency paper machines,a dual closed-loop speed control method based on PLC is proposed for variable frequency paper machines.Firstly,model and analyze the motor of the variable frequency paper machine to provide a basis for subsequent speed control;Secondly,the PLC technology is used to design the control system of the variable frequency paper machine,calculate the ideal speed ratio of the paper machine,and combine it with the actual speed to obtain the control deviation.The PI control method is used to complete the control of the current and speed adjustment stages;Finally,the grey wolf algorithm is introduced to optimize the PI control parameters based on the objective function of the dual closed-loop speed control of the variable frequency paper machine,in order to achieve optimal control of the dual closed-loop speed control of the variable frequency paper machine.The experimental results show that the proposed method can efficiently and stably achieve control in interference environments.
关键词
建模分析/PLC技术/变频造纸机/双闭环调速控制/灰狼算法
Key words
modeling analysis/PLC technology/variable frequency paper machine/double closed-loop speed control/grey Wolf Algorithm
维普
万方数据