tkuhh glphqvlrqdo vhqvru vfdqqhu - Chalmers tekniska högskola

5 Genomförande.............................................................15
5.1 Kommunikationsprotokoll................................................................................................15
5.1.1 Fysikaliska problem vid seriekommunikation...........................................................15
5.1.2 Överföringsalternativ.....................................................................................................16
5.1.3 Låsning vid seriell kommunikation...........................................................................16
5.2 Trimningsfunktionen........................................................................................................17
5.3 Scanningsfunktionen........................................................................................................19
5.4 Multiplexenhet......................................................................................................................20
5.5 Styrkrets................................................................................................................................20
5.5.1 Styrminne......................................................................................................................20
5.5.2 Förstärkning...................................................................................................................21
5.6 Implementering av sensorer.................................................................................................22
6 Resultat........................................................................23
6.1 Scannern...............................................................................................................................23
6.1.2 Centralenheten...............................................................................................................23
6.1.3 Multiplexenhet...............................................................................................................23
6.1.4 Sond...............................................................................................................................23
6.1.4.1 Styrkrets..................................................................................................................24
6.1.5 Kod för styrning och avläsning av scanner...................................................................25
6.1.5.1 Probe.......................................................................................................................25
6.1.5.2 Stepper....................................................................................................................26
6.1.5.3 Sensor.....................................................................................................................26
6.2 Java-applikationen................................................................................................................27
6.2.1 Hårdvarukommunikation...............................................................................................27
6.2.2 Mätvärdeshantering.......................................................................................................28
6.2.2.1 Skalningsfunktionen...............................................................................................28
6.2.3 Grafikuppritning............................................................................................................29
6.2.4 Felmeddelanden.............................................................................................................29
7 Slutsats........................................................................31
7.1 Hårdvara...............................................................................................................................31
7.2 Mjukvara...............................................................................................................................31
7.3 Kommunikation....................................................................................................................31
7.5.1 Konstruktion..................................................................................................................32
7.5.2 Hårdvara........................................................................................................................33
7.5.3 Mjukvara........................................................................................................................33
Referenser.......................................................................34
Bilagor.............................................................................35