Core Flight System on Unique Missions & Experiments

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Presentation transcript:

Core Flight System on Unique Missions & Experiments Presenter: David Akre

Agenda Overview LunIR Mission ISS STP-H5 Experiment FSW Baseline Motivation for cFS LunIR Mission Mission Overview Timeline ISS STP-H5 Experiment Experiment Overview Successes and Challenges Future Work

Enterprise Flight Software at Lockheed Martin Product line engineering Common flight software baselines Focus on cube sat as seen by CFS insertion around 2015

LM50 Flight Software Baseline CHREC Space Processor Evaluation Board - Explain the SW baseline and how we run on our COTS flight like targets-- CSP

Motivation for cFS Flight software developed by NASA GSFC and released as open source software Plug-n-play architecture enables programs to focus on mission-specific applications Abstracts hardware/operating system dependencies from applications Lowers flight software costs and risks by leveraging common components

LunIR LunIR Mission (LM50) NASA CubeSat Launched on SLS/EM-1 6U Form Factor Lunar Flyby Mission Demonstration platform NASA cFS CHREC Space Processor Demonstration Platform LM first time flying cFS & RTEMS at SSC and the CSP Delivery March 2018 Launch Oct –Dec 2018 Bus/Comm checkout Day 1 SLS provides us with lunar trajectory Lunar flyby & take IR images of moon

LunIR Timeline Created Functional Verification Tests Baselined FSWCC & CHREC Space Processor (CSP) Demonstrated FSW on RTEMS and CSP Developed SW drivers and Payload FW EM1 Launch and Flight 2015 2016 2017 2018 2019 Performed Unit Tests and Functional Initial Checkout Tests Baselined RTEMS 4.11 kernel Developed mission specific applications End to end Payload testing

ISS STP-H5 Overview STP-H5 Class D Hardware Two CSPv1’s Two SpaceWire Links Software C/C++ FSW CFE/cFS OSAL/PSP targeting RTEMS & CSP Class D STP-H5 Courtesy NASA/JPL-Caltech

Currently Flying on STP-H5 Proposed to Fly on STP-H5 STP-H5 Cont’d Collaboration with CHREC to upload an updated FSW image Currently Flying on STP-H5 Proposed to Fly on STP-H5 cFS App Non-cFS App Major Benefits: RTEMS provides RTOS Updated cFS and CFE New RTEMS PSP cFS stack with RTEMS 4.11 Software Component Version cFE 6.3.1 OSAL 4.1.0 (posix) PSP arm-linux OS Wumbo Linux SCH 2.2.0 SC LC 0.0.0 DS FM 2.3.1 HS Software Component Version cFE 6.5.0 OSAL 4.2.0 (rtems-posix) PSP arm-rtems4.11 OS RTEMS 4.11 SCH 2.2.0 SC 2.4.0 LC 2.0.0 DS 2.5.1 FM 2.5.2 HS 2.3.0 Software Component Version MM 2.4.1 MD 2.3.0 HK CS 2.3.1 CFDP 2.2.1 DMS LMPI DAS GCP GTP OSAL 4.1 to 4.2 PSP = rtems4.11 CSP v1 CFE 6.3 to 6.5 Required for CMD/TLM

Successes & Challenges Reusability with cFS, CFE, PSP, and OSAL Ease of usability with RTEMS and CSP Strong collaboration with CHREC Challenges Schedule constraints Immature testing environment (internal) License agreement for OSAL/PSP

Future Work Flight Software Abstraction Additional Insertion Opportunities in 2018 Baselining FSW on Embedded Multicore Systems Zedboard/CSP - Real time emphasis