Robust PMDC Motor Control for Accurate Wire Feeding in GMAW Using Back EMF

Paul, Arun Kumar

doi:10.1109/tie.2019.2896131

Cited by 11 publications

(1 citation statement)

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“…Variable structure sliding mode controllers (SMCs) offer a robust control effort [8][9][10]. However, they inject chattering in the response and expend a lot of control energy.…”

Section: Introductionmentioning

confidence: 99%

Optimal Tuning of Fractional Order Proportional-Integral-Derivative Controller for Wire Feeder System Using Ant Colony Optimization

Hamouda¹,

Babes²,

Hamouda³

et al. 2020

JESA

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The goal of this work is to present a robust optimal control approach, in order to improve the speed error-tracking and control capability of a permanent magnet DC Motor (PMDC) driven wire-feeder systems (WFSs) of gas metal arc welding (GMAW) process. The proposed speed controller employs an optimized fractional-order-proportional+integral+derivative (FOPID) controller that serves to eliminate oscillations, overshoots, undershoots and steady state fluctuations of the PMDC motor and makes the wire-feeder unit (WFU) has fast and stable starting process as well as excellent dynamic characteristics. The fixed controller parameters are meta-heuristically selected via an ant colony optimization (ACO) algorithm. Numerical simulations are performed in Matlab/Simulink environment and the performance of the proposed ACO-FOPID controller is validated. The simulation results clearly demonstrate the significant improvement rendered by the proposed approach in the wire-feeder system's reference tracking performance, torque disturbance rejection capability, and transient recovery time.

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“…Variable structure sliding mode controllers (SMCs) offer a robust control effort [8][9][10]. However, they inject chattering in the response and expend a lot of control energy.…”

Section: Introductionmentioning

confidence: 99%