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The displacement of the piston is measured and converted to digital signal and then given to the System. The FOPID using GA generates the most accurate value using successive iterations. This value is given to the controller, which moves the piston to that value. Thus, the position is controlled using FOPID controller. Figure 2.16 shows the hardware setup of the position servo system.

Figure 2.16 Hardware setup of position servo system.

Figure 2.17 illustrate the average output voltage of piston using hardware module.

Figure 2.17 CRO output waveform.

CRO output consist of average output voltage of piston based on displacement.

The displacement of the piston is not settled at a reference value. Hence, this CRO output waveform is considered as error. To rectify this, we use GA. Figure 2.18 shows average output waveform of 500 reference (error).

Figure 2.18 CRO output waveform of 500 reference (Error).

Figure 2.19 a shows the average output waveform for reference value of 500 with GA.

Figure 2.19 (a) CRO output waveform of 500 reference.