Lecture 10 – The basics of Digital Signal Processing

Note: Analog control systems are still in use

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Pneumatic PID controllers

Note: Analog control systems are still in use

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Electrical circuit control

Aliasing or the ‘Wagon-Wheel’ Effect

Z-Transform Table (pg. 596 of FPEN)

s- vs. z-domain: 2nd order underdamped

s-domain z-domain (pg. 598 of FPEN)

Slight phasedistortion

½ Nyquist Rate.Maximum allowable frequency.

Continuous vs. Discrete frequency response comparison of a filtered PID controller