There remains a large potential to improve the performance of the present system. Since this thesis project
is troubled by ADC noise a lot, the ADC conditioning circuit needs to be improved. More efforts should
be paid on circuit layout. To avoid the disturbance of the noises in the analog signals, it would be a better
choice to use digital signal instead of analog signal if possible. For example, the machine speed can be
obtained by calculating the position signals from an incremental encoder (digital signal), not sensed directly
by a tachometer (analog signal). Some other control strategies could also be considered for regulator
design in order to make the system less sensitive to the noises or the parameter variations. Space vector
PWM(SVPWM) might be introduced into this control system to replace the SPWM, as it can reduce the
harmonic distortion and is more efficient in the use of supply voltage [41]. Finally, it is possible to control
several motors simultaneously to make full use of the F28335 DSP’s capacity, as the implementation of a
single motor vector control system is far from reaching the capacity limit.