Qingshan Zeng and Clarence W. de Silva
Fractional order control, fish processing machine, LabVIEW, industrial control
Fractional order control allows generalization of the integer order control and leads to extended control capabilities. This paper ap- plies fractional order control to an automated industrial machine – a fish processing machine – and evaluates the performance through physical experimentation. In particular, fractional order control is used in the electro-hydraulic positioning system of the fish pro- cessing machine, which is facilitated by LabVIEW. The parameter tuning of the fractional order controller is carried out to improve the performance. Although the fish processing machine has non- linearities, the control experiments using the prototype machine demonstrate that the position control of the cutter assembly of the machine can be accurately carried out through fractional order con- trol. The results from experimentation demonstrate that fractional order control can be effective in the control of industrial machinery and can be superior to the traditional PID control.
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