Hovedprosjekt

Hovedprosjektrapport 2006 Elektronisk tavle for vektløfterstevner Gruppe 17
INNHOLDSFORTEGNELSE:
1 Innledning........................................................................................................................... 5
1.1 Om Nidelv Vektløfterklubb ....................................................................................... 5
1.2 Problemstilling ........................................................................................................... 6
1.3 Rapportens oppbygging.............................................................................................. 7
1.4 Definisjoner................................................................................................................8
2 Kilder.................................................................................................................................. 9
3 Tavler ............................................................................................................................... 10
3.1. Bakgrunn .................................................................................................................. 10
3.2 Spesifikasjoner ......................................................................................................... 11
3.3 Oppbygging/Signalflyt............................................................................................. 12
3.3.1 Likheter mellom tavlene................................................................................... 12
3.3.2 Ulikheter mellom tavlene ................................................................................. 13
3.3.3 Styring av displayene ....................................................................................... 16
3.3.4 Nivåkrets for signalflyt mellom driver og PLS................................................ 17
3.3.5 Driverkrets for displayene................................................................................ 18
3.3.6 Styrekrets for displayene.................................................................................. 21
3.3.7 Styrekrets for eksterne komponenter................................................................ 22
4 Kontrollpanel.................................................................................................................... 23
4.1 Bakgrunn .................................................................................................................. 23
4.2 Spesifikasjoner ......................................................................................................... 24
4.3 Oppbygging/Signalflyt............................................................................................. 25
4.3.1 Tastatur for inntasting av tid ............................................................................ 25
4.3.2 Tastatur og enkoderkrets for inntasting av vekt ............................................... 26
4.3.3 Driverkrets for displayene................................................................................ 29
5 Dommerbokser................................................................................................................. 31
5.1 Bakgrunn .................................................................................................................. 31
5.2 Spesifikasjoner ......................................................................................................... 31
5.3 Oppbygging/Signalflyt............................................................................................. 32
6 Downboks......................................................................................................................... 33
6.1 Bakgrunn .................................................................................................................. 33
6.2 Spesifikasjoner ......................................................................................................... 33
6.3 Oppbygging/Signalflyt............................................................................................. 34
7 PLS-programmering......................................................................................................... 35
7.1 Bakgrunn .................................................................................................................. 35
7.2 Systembeskrivelse .................................................................................................... 36
7.3 Programmering......................................................................................................... 37
7.3.1 Program for kontrollpanelet ............................................................................. 38
7.3.2 Program for styring av displayene (sekvensering)........................................... 42
7.3.3 Program for akustisk signalgivere i tavlene ..................................................... 45
7.3.4 Program for dommerbokser ............................................................................. 46
7.3.5 Program for dommerlys ................................................................................... 47
7.3.6 Program for downboks ..................................................................................... 48
7.3.7 Program for beregning av SCAN-tid ............................................................... 49
8 Prosjektstyring.................................................................................................................. 50
8.1 Arbeidspakker .......................................................................................................... 50
8.2 Regnskap .................................................................................................................. 51
9 Konklusjon ....................................................................................................................... 52
10 Litteraturliste ................................................................................................................ 53
11 Vedlegg og CD............................................................................................................. 54
Program for elektro- og datateknikk AFT /HIST 4