Lecture 10 – The basics of Digital Signal Processing.

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Presentation transcript:

Lecture 10 – The basics of Digital Signal Processing

Note: Analog control systems are still in use ( Pneumatic PID controllers

Note: Analog control systems are still in use ( Electrical circuit control

Aliasing or the ‘Wagon-Wheel’ Effect

Z-Transform Table (pg. 596 of FPEN)

s- vs. z-domain: 2 nd order underdamped s-domain z-domain (pg. 598 of FPEN)

Slight phase distortion ½ Nyquist Rate. Maximum allowable frequency. Continuous vs. Discrete frequency response comparison of a filtered PID controller