GomSpace Nanomind A3200 o AVR32 w/ 512KB flash o 125Mb NOR flash o 32MB SDRAM ClydeSpace EPS o 10 command-able power switches o Provides 3.3V, 5V, and.

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Presentation transcript:

GomSpace Nanomind A3200 o AVR32 w/ 512KB flash o 125Mb NOR flash o 32MB SDRAM ClydeSpace EPS o 10 command-able power switches o Provides 3.3V, 5V, and 12V o Optimized for Low Earth Orbit (LEO) o Three independent battery charge regulators (BCRs) Physics Payload o Geiger Counter o Very Low Frequency (VLF) receiver o Plasma Probe ClydeSpace 40 WHr Batteries o Lithium Polymer o Independent for redundancy o Internal heaters ISISpace Chassis o Modular structure o Each unit assembled independently o COTS component o Compatible with P-POD Anatomy of STF-1 MEMS IMU Swarm o MEMS Inertial Measurement Units o Designed to overcome Size, Weight, and Power (SWaP) constraints that are caused by CubeSats o Made up of a cluster of IMUs with the idea that averaged results will be incredibly accurate o Gen-2 IMU Cluster flew on sounding rocket in late 2015 o Gen-3 (STF-1 version) will be custom- built for the CubeSat NASA CubeSat Launch Initiative (CSLI) WVU Mechanical and Aerospace Engineering Introduction The NASA CubeSat Launch Initiative (CSLI) is a project that provides opportunities for small satellites that address research in science, exploration, technology, or education to fly on rockets planned for upcoming launches. These small satellites, or CubeSats, are exactly what they sound like: miniature satellites with sizes ranging from about 4x4x4 in. to 4x4x24 in. and weights ranging from about 3 lbs. to 18lbs. In February 2015, the Simulation-to-Flight-1 (STF-1) project was selected for participation in NASA’s CSLI, meaning that the STF-1 team will get to create West Virginia’s First Spacecraft - a CubeSat - and send it to space! As the project name suggests, the STF-1 team’s primary objective is to demonstrate how computer simulation technology can be used to help other teams create their CubeSats more efficiently. Basically, this means that the STF-1 team will put together a group of computer programs that allow other teams to use a computer to test how their CubeSats would function in real world situations. This will allow other teams to create their CubeSats more quickly and waste fewer resources while testing them. Introduction The NASA CubeSat Launch Initiative (CSLI) is a project that provides opportunities for small satellites that address research in science, exploration, technology, or education to fly on rockets planned for upcoming launches. These small satellites, or CubeSats, are exactly what they sound like: miniature satellites with sizes ranging from about 4x4x4 in. to 4x4x24 in. and weights ranging from about 3 lbs. to 18lbs. In February 2015, the Simulation-to-Flight-1 (STF-1) project was selected for participation in NASA’s CSLI, meaning that the STF-1 team will get to create West Virginia’s First Spacecraft - a CubeSat - and send it to space! As the project name suggests, the STF-1 team’s primary objective is to demonstrate how computer simulation technology can be used to help other teams create their CubeSats more efficiently. Basically, this means that the STF-1 team will put together a group of computer programs that allow other teams to use a computer to test how their CubeSats would function in real world situations. This will allow other teams to create their CubeSats more quickly and waste fewer resources while testing them. Simulation To Flight - 1 Novatel OEM625 GPS o On-orbit reprogrammable o Precise orbit determination o Data: 100-Hz phase, TEC, S4 MEMS Inertial Measurement Unit o Micro Electro-Mechanical Systems (MEMS) o Accounts for errors through calibration o High quality inertial sensing with a MEMs IMU cluster Magnetosphere-Ionosphere Coupling o Depends primarily on electromagnetic and convective stresses from the magnetosphere on the ionosphere resistivity o A solid-state detector will be used to measure the flux of electrons precipitating from the plasma sheet o Over the polar caps, the detector will effectively measure solar energetic particle fluxes o Accuracy relies on IMU and magnetometer data WVU Physics and Astronomy III-V Nitride-Based Materials o A precision optoelectronic sensor module containing arrays of light- emitting diodes (LEDs) and photodiodes (PDs) can be used for short- range distance measurement and shape rendering o Utilizing materials known for their radiation hardness and the ability to operate at extreme temperatures o Due to the harsh environment of space, shielding is usually needed to ensure reliability and functionality o Less shielding allows for better range of measurement o Levels of shielding will be tested over time to determine the optimum amount to extend capability in the space environment WVU Lane Department of Computer Science and Electrical Engineering Earth Science Camera o Model: ArduCam Mini OV2640 o 2MP sensor o Able to configure on orbit o Fully command-able Allows the mission to: o Verify deployment operations o Assess products in space environment o Observe Earth’s surface and atmosphere over mission lifetime o Integrate visualization into NOS 3 NASA IV&V GEN-2 IMU Cluster Global Navigation Satellite System (GNSS) Receiver and Precise Orbit Determination (POD) o Model: NovAtel OEM615 GPS Receiver o Focus to develop and assess estimate strategies that will maximize POD accuracy form data obtained during duty-cycled operations o Processing of collected data will use NASA technology called JPL’s GIPSY-OASIS package Space Weather o A Langmuir probe will be used to measure electronic density and temperature of the ionosphere o Effects of the space environment on technologies such as spacecraft are collectively called space weather o High fluxes of precipitating particles and high-temperature plasma can produce surface and deep dielectric charging on a CubeSat o Measuring these at times of intense solar and/or ionospheric activity is the goal for research and education programs at WVU VLF detector to be miniaturized Langmuir Probe and VLF Gallium III-V Nitride Payload o Three different LED carriers with different shielding levels o Measure effects of shielding Camera o 2MP o Mounted to special services card o Optional filters to provide earth science data CADET Radio o Half duplex UHF o Store and Forward o 4GB memory buffer o 3.0Mbps w/18M dish ISISpace UHF/VHF Antennas o Deployable antenna system o Four alloy tape antennas o Up to 55cm in length o Dipole configuration for communications and Langmuir probe NASA Operational Simulator for Small Satellites (NOS 3 ) o The suite of computer programs that the STF-1 team compiled o Open source software test bed for satellites, meaning that the original source code is made freely available and may be modified and redistributed by any user o Made up of flight system software, ground system software, a virtual development environment, a visualization tool, hardware models, and a common interface to tie it all together o Ultimately decreases development time of future CubeSat missions by lessening dependency on hardware resources through the use of software simulation Outreach Plans and Programs o To learn more about STF-1 and keep up with our blogs, visit our website: o For information on educational activities, webcasts, workshops, contests, internships, fellowships, and more, visit here: o To learn more about the WV Space Grant Consortium, visit here: Additional Resources West Virginia’s First Spacecraft o Will fly on ElAnA XIX, Rocket Labs USA – Electron o Will deploy at 85 degrees inclination at 500km altitude o Mission Readiness Review: March 2017 o Delivery: April 2017 o Launch: June 2017 Science Objectives In addition to the primary mission, the STF-1 CubeSat hosts payloads for multiple science objectives. Three objectives are projects from a partnership with WVU, and the fourth is another objective from NASA IV&V. These science objectives are detailed in the row below. Science Objectives In addition to the primary mission, the STF-1 CubeSat hosts payloads for multiple science objectives. Three objectives are projects from a partnership with WVU, and the fourth is another objective from NASA IV&V. These science objectives are detailed in the row below. NOS 3 in Action GPS Mounted to Motherboard Assembly of STF-1