THE APPLICATION OF FRACTIONAL ORDER CONTROL IN AN INDUSTRIAL FISH PROCESSING MACHINE

Qingshan Zeng and Clarence W. de Silva

Keywords

Fractional order control, fish processing machine, LabVIEW, industrial control

Abstract

Fractional order control allows generalization of the integer order control and leads to extended control capabilities. This paper applies 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 processing 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 nonlinearities, 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 control. 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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