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Research work of wire extension control with Dual freedom PID controller in pulsed MIG welding process of aluminum alloy. In the condition of optimum parameters, the simulations were firstly completed by separately using Routine PID control and Dual freedom PID control, based on designing the wire speed of wire extension step response and gaining identification model. Based on the results of simulation...
According to the stability problem of wire extension in aluminum alloy pulsed MIG welding, a rapid prototyping control platform using the xPC real-time target environment based on the sliding mode control theory was established, and then the real-time control on wire extension in aluminum alloy pulsed MIG welding was carry out with sliding mode controller. The results show that the sliding mode controller...
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