6 - Lecture 6 Modified z-Transform Modified z-transform...

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1 Lecture 6: Modified z -Transform Modified z -transform Reading: 4.4-4.6 of the textbook Examples of Systems with Time Delay Sampler Data hold e ( t ) e ( kT ) ¹ e ( t ) Plant c ( t ) e ¡ t 0 s delay by t 0 E ( s ) E ¤ ( s ) T G ( s ) C ( s ) e ¡ t 0 s Sampler Data hold e ( t ) e ( kT ) ¹ m ( t ) Plant c ( t ) Digital Filter (microprocessor) m ( kT ) E ( s ) T 1 ¡ e ¡ T s s G p ( s ) C ( s ) e ¡ t 0 s E ( z ) D ( z ) processor computation time delay Plant delay delay by t 0
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