KySat Briefing & Status Report

Transcription

1 KySat Briefing & Status Report NASA Ames Research Campus 9 August 2006

2 Presentation Overview The Technology Team Capabilities Interactions & Networking Standout Deltas Project Strategies Completed Tasks Concept of Operations Tasks Remaining Design Overview Looking Forward 9 August /23

3 KySat Technology Team Alaa Aly University of Louisville Software Systems Jennifer Carter Morehead State University Ground Operations Garrett Chandler University of Kentucky Systems Design Daniel Erb Murray State University Support Systems Bill Hutchison University of Louisville Mechanical Systems Dale McClure University of Kentucky RF Systems Greg Strickler Western Kentucky University Software Systems 9 August /23

4 KySat On-Site Advisors Dr. Ben Malphrus Morehead State University GroundOps Lead Dr. Jim Lumpp University of Kentucky Engineering Lead 9 August /23

5 Interactions & Networking Stanford Advisors Bob Twiggs Jamie Cutler Ben Yuan Suppliers Ivan Galysh - StenSat Craig Clark - Clyde Space Andrew Kalman - Pumpkin Adam Reif - Pumpkin Myke Kalachian - SpectroLab Launch Integration William Whalen Brian Klofas Ham Radio APRS Bob Bruninga Bill Diaz KySat Interns Matt Colgan Pierric Jammes Cedric Bayart Others John Ellis Jeff Kruth Bill Storck 9 August /23

6 Project Strategies Simplicity Commercial Off-the-Shelf Systems Leverage Existing Work Remove Non-Critical Subsystems Task-Oriented Work Schedule Documentation Real-Time Abstract 9 August /23

7 Concept of Operations Provide Focus to Efforts Two Operational Modes Mode 1 Basic Analog User Mode 2 Advanced Digital User New Revision in Progress 9 August /23

8 Mode 1 Summary Intended for educational user Capabilities Audio Playback Photo Capture Audio Telemetry Scheduled or Keypad Initiation No computer required for playground station 9 August /23

9 Mode 2 Summary Intended for advanced users Capabilities Upload data Download data Transactions archived on server Additional hardware required 9 August /23

10 Design Overview System Overview Flight Processor Electrical Power System VHF/UHF Radio System S-Band Radio System Digital Still Camera Mass Digital Storage Solar Arrays System Support Module System Support Module DTMF Decoder Real Time Clock TCXO Backup RTC Power Watch Dog Timer Supervisor Processor Camera Interface Antenna Deployment 9 August /23

11 Design Overview Ground Segment Main Ground Station S-Band Communications Primary Data Pipeline Secondary Ground Stations K-12 School Users Ham Radio Enthusiasts Kentucky Universities Data Packet Network KySat Database KySat.com User Page HAM Page End Users 9 August /23

12 I2C Heat On System Block Diagram 5v VHF UHF 3.3v SD Card S-Band Radio S-Band X Matching Circuit 4 SPI 2 UART 5v 3.3v Vbatt VHF/UHF Radio Analog Audio SW UART I2C 2 2 Flight Computer I2C Heat On 2 Electrical Power System Vsc I2C 3.3v Solar Cells x6 5v UART 2 Function Off Vcc ADS Cam On I2C I2C Enable 2 3 GND 3.3v Vbatt I2C Antenna Deployment System Antenna Deployment Analog Audio System Support Module 5v 3.3v Battery Temp Sensor Heater Vbatt 3.3v UART 5v GND Camera Temp Sensor Heater 9 August /23

13 SSM Block Diagram UART Cam_On 2 I2C Switch I2C Enable Antenna Deployment Signal 5v 3.3v Camera Interface I2C Antenna Deployment 3.3v Real Time Clock & Watchdog Timer Backup Battery TCXO Vbatt WDT Expiration 5v Analog X Audio Conditioning Network DTMF Decoder Data 5 RC Timing Supervisor Processor to Off_Vcc to Flight Computer 3 3.3v 9 August /23 3.3v

14 Ground Block Diagram 9 August /23

15 Capabilities Continuous Wave Beacon Digital Beacons Audio Telemetry Audio Playback Photographs Telemetry Windows Command Schedule Power Mode Switching File Transfer S-Band Radio Control DTMF Receive 9 August /23

16 Standout Deltas Automatic Position Reporting System Compatible Morehead 21-Meter S-Band Communications S-Band Radio as Payload KySat System Support Module Audio Telemetry Rapid Design & Build Educational Focus 9 August /23

17 Completed Tasks Antenna Mounting Antenna Deployment Electrical Power System UHF/VHF Radio Solar Cells SSM Layout File System Library Command Scheduler 9 August /23

18 Completed Tasks Command List Telemetry Channels MIME Encoder KS64 Encoder Packet Framing KCOM Format Timestamp Format Data File Formats 9 August /23

19 Tasks Remaining Build System Support Module Build Solar Panels Acquire Electrical Power System Hysteresis Bars and Magnets Determine Appropriate Size Purchase Adjust Satellite Center of Mass 9 August /23

20 Tasks Remaining Acquire S-Band Feed Horn Buy VHF/UHF Radio Board Build Antenna Mount Gold Plate Antennas Build Antenna Tuning Circuit Characterize Antennas IARU Frequency Allocation 9 August /23

21 Tasks Remaining Acquire File System Library Acquire Salvo Libraries Acquire Rev C Flight Module Versioning System Server Finish Abstract Documentation Update Concept of Operations 9 August /23

22 Looking Forward Ground Station Software Web Programming Flight Software Engineering Model Construction Flight Model Construction System Verification Thermal/Vacuum Tests Teaching Integration Strategy Strategy for Fall and Beyond 9 August /23

23 KySat Briefing & Status Report