EGR 3331 Digital Design P3

EGR 3331 Digital Design P3 - 1 00 01 1 1 11 10 1 1 The...

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EGR 3331 Phase 3: System Design Team members: Berrada Asmae El Marchoum Nissrine Mouatadid Soukayna Truth Table : In case the Motor is stationary we don’t care about whether it’s moving upward or downward so we use Don’t cares in these cases. Equivalently the cases we will treat are the ones in which the elevator is actually moving , i.e those in which Motor in the truth table is 1:
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Karnaugh Map : 1) K-map for the Motor’s motion : Let’s put: A: DS B: SF S S L1/Do wn L2/ U p Moto r Motor Direction (Up/down) 0 0 0 0 0 0 X 1 0 0 0 1 1 1 2 0 0 1 0 0 X 3 0 0 1 1 0 X 4 0 1 0 0 0 X 5 0 1 0 1 0 X 6 0 1 1 0 1 1 7 0 1 1 1 0 X 8 1 0 0 0 0 X 9 1 0 0 1 0 X 1 0 1 0 1 0 1 0 1 1 1 0 1 1 0 X 1 2 1 1 0 0 0 X 1 3 1 1 0 1 1 0 1 4 1 1 1 0 0 X 1 5 1 1 1 1 0 X
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C: L1/Down D: L2/Up A B CD 0 0 0 1 1 1
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Unformatted text preview: 1 00 01 1 1 11 10 1 1 The expression that represents the Motors motion is given by a Sum of Products that we get by grouping the 1s of the K-Map above: F = ABCD + ABCD+ ABCD+ ABCD 1) K-map for the Elevators direction : Lets put: A: SF. B: Motor. A B 1 X X 1 1 The expression for the Elevators direction is: E = A...
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This note was uploaded on 12/03/2010 for the course SSE dig taught by Professor Dsidjs during the Spring '10 term at Mercer County Community College.

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EGR 3331 Digital Design P3 - 1 00 01 1 1 11 10 1 1 The...

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