%% AMSAT Phase-5A %% Copyright 2003 Bdale Garbee %% %% Presented to the Hackers Conference, 7 Nov 2003, Yosemite %% %% Define the fonts we will use %% %deffont "standard" tfont "Arial.ttf" %deffont "typewriter" tfont "Times_New_Roman.ttf" %deffont "fixed" xfont "terminal" %% %% Default settings for special lines %% %default 1 leftfill, fore "black", back "white", bimage "ao40wash.bmp" %default 2 size 7, vgap 10, prefix " ", font "standard" %default 3 size 2, bar "gray70", vgap 10 %default 4 size 5, vgap 30, font "standard" %% %% Default settings for indented lines %% %tab 1 size 5, vgap 40, prefix " ", icon box "green" 50 %tab 2 size 4, vgap 40, prefix " ", icon arc "red" 50 %tab 3 size 3, vgap 40, prefix " ", icon delta3 "blue" 40 %% %%%%%%%%%%%%%%%%%% %page %nodefault, font "standard", fore "black", back "white", bimage "ao40wash.bmp" %center Current AMSAT Projects %size 6 Bdale Garbee, KB0G %size 5 %%%%%%%%%%%%%%%%%% %page AMSAT-NA "Active" Projects Echo LEO spacecraft commercial components (we've come full circle!) amateur mission payload to be selected launch with similar commercial satellites Eagle orbit AO-40 ended up in focus on V/U/L/S communications power generation independent of attitude unlikely to carry the kitchen sink... %%%%%%%%%%%%%%%%%% %page AMSAT-DL Active Projects Phase 3E - Technology Validation Mission orbit AO-40 was intended to inhabit same spaceframe as used by AO-10 and AO-13 launch on Ariane 5 using SBS + adapter Phase 5A - A Mars Orbiter Mission! AO-40 spaceframe and propulsion system single 2 meter dish antenna on spacecraft coherent transponder (200 / 5 bits/sec, coded) hitchhiker experiments launch on Ariane 5 %%%%%%%%%%%%%%%%%% %page AO-40 %center, newimage -zoom 130 "DSCN0918.JPG" %%%%%%%%%%%%%%%%%% %page Phase-5A Visual Model %center, newimage "image-005.ppm" %%%%%%%%%%%%%%%%%% %page Getting To Mars %center, newimage -zoom 110 "image-001.ppm" %%%%%%%%%%%%%%%%%% %page How It All Stacks Up %center, newimage "L_ASAPcutaway_bg.jpg" %%%%%%%%%%%%%%%%%% %page AO-40 on Ariane 5 %center, newimage -zoom 150 "1109.jpg" %%%%%%%%%%%%%%%%%% %page The Problem Wiring Harnesses Suck Fairly static once wired Every module's interface is different Mass Incremental Testing and Integration Critical to our success Hard to test things that require IHU involvement Too many tests aren't "in flight mode" %%%%%%%%%%%%%%%%%% %page Our Solution - Hardware Match CPU upgrade in IHU-3 with upgraded I/O Hardware Based on Atmel CANary (8051 thingy with CAN) 24 x 75 mm circuit board... 12 digital outputs, 8 digital inputs, 8 analog inputs power switching for module Protocol Very simple conceptual model - Distributed I/O Mux Compatible with existing AMSAT IHU software (IPS) %%%%%%%%%%%%%%%%%% %page Can-Do! %center, image "dscf0025.jpg" 0 54 54 1 %%%%%%%%%%%%%%%%%% %page Can-Do! %center, image "dscf0027.jpg" 0 54 54 1 %%%%%%%%%%%%%%%%%% %page For More Information... %size 7 %center Join AMSAT! The AMSAT Journal http://www.amsat.org/ http://www.amsat-dl.org/