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Participating Center(s): ARC, JPL, MSFC



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Participating Center(s): ARC, JPL, MSFC
Smallsats and cubesats offer several new opportunities for space science, including multipoint in-situ measurements and disaggregation of larger science missions into constellations. These missions require reliable operation for several years in potentially harsh radiation environments.  Industry has developed numerous cubesat components, but they lack the robustness needed for long duration missions in harsh mission environments.  To address this capability gap, this subtopic will develop high reliability smallsat avionics and control technologies that meet the performance and resource requirements of upcoming missions, while maximizing flexibility.

 

This subtopic solicits the development of smallsat and cubesat single board avionics with the following specifications:




  • Minimum 100 DMIPS processing performance.

  • 3W power dissipation.

  • Maximum board size of 90 mm x 90 mm.

  • 16 Mbytes of EDAC protected RAM.

  • 4 Gbytes ofnon-volatile memory storage.

  • 256 kbytes on non-volatile memory for boot software.

  • Optionally supports I2C, CAN, SPI, and SpaceWire busses.

  • 4 8b/10b SERDES interfaces.

  • Provides FPGA to implement mission specific processing functions and interfaces (including general purpose I/O), either in combined in a System-On-a-Chip (SOC) or separate from the processor package.

  • Accepts and digitizes 16 thermistor inputs and 8 active analog inputs.

  • Provides watchdog timer and external reset signal

This subtopic also solicits ACS/GN&C component hardware that has a minimum of 3-year operational life as well as radiation-hard and low mass implementation to survive the typical LEO radiation environment for the same duration.  Specific component technologies include:




  • Integrated Attitude Detection and Control Systems (ADCS) for 3U and 6U CubeSat:

    • Minimum Target Pointing Spec:

      • Knowledge 10.0 arc-second - 3 sigma.

      • Control 40.0 arcsec - 3 sigma.

      • Stability 0.3 arcsec over 1.0 sec - 3 sigma.

    • 10.0 Hz ctrl cycle.

  • Desired Target Pointing Spec:

    • Integrated Attitude Detection and Control Systems (ADCS) that can provide pointing for 3U and 6U CubeSat:

      • Knowledge 1.0 arc-second - 3 sigma.

      • Control 4.0 arcsec - 3 sigma.

      • Stability 0.05 arcsec over 1.0 sec - 3 sigma.

    • 10.0 Hz ctrl cycle

  • Actuators.

  • Slew rate on the order of  1 deg/sec.

  • Momentum capacity: 4 orbits.

  • Handle tipoff rates on the order of 5.0 deg/sec  per axis:

    • Ensure a stable platform can be achieved after separation.

  • Low jitter reaction wheels or reaction control systems (RCS).

  • Sensors:

    • Small, low power (<1 W) star trackers and innovative baffle design.

    • Low Noise Gyro:

      • Can propagate on Gyro for 4 orbits.

To allow infusion into multiple smallsat architectures, it is highly desirable for ACS/GN&C components to provide options to support multiple onboard data busses (i.e., I2C, SPI, CAN).


For the above components, the environmental specifications are; operating temperature -40 to- +85°C, radiation hard to at least 40 krad TID, latch up immune to an LET of at least 80, and a device SEE rate of not greater than 0.01 event/day in Adams 90% worst case GEO environment. Successful proposals for the above technologies will address reliability and radiation tolerance at the part level all the way up through their component/subsystem implementation.  For descriptions of radiation effects in electronics, the proposer may visit http://radhome.gsfc.nasa.gov/radhome/background.htm.
Beyond the higher reliability technologies listed above, this subtopic also solicits technologies offering significant improvements in cubesat/smallsat capabilities.  These technologies would not need to have sufficient reliability and radiation tolerance to be directly infused into long duration missions.  However, there should be a viable path by which these technologies could be matured for such missions.  Technologies solicited include:


  • Low power, high throughput processors, SoC or MPSoC with an order of magnitude performance improvement over state-of-the-art.

  • Radiation resistant, self-repairing technologies (both in hardware and software).

  • Modular, reconfigurable flight software environments and architectures.

  • Technologies that enable rapid software integration, test and validation.

  • Radiation tolerant GN&C systems and components with an order of magnitude performance improvement over state-of-the-art.

  • Small, low thrust RCS systems for smallsats with an order of magnitude performance improvement over state-of-the-art.

  • Alternate technologies for attitude determination (i.e., navigation via x-ray sources, or planetary bodies).

  • Technologies to isolate sources of spacecraft vibration from sensors or payloads.

  • Advanced GN&C software programs and algorithms.

  • Miniature rate gyros with an order of magnitude performance improvement over state-of-the-art MEMS gyros in drift and noise.

  • Innovative miniature angular momentum exchange devices that are not susceptible to reliability issues associated with bearing wear.

  • Miniature sensors and actuators for smallsat rendezvous, docking and spacecraft servicing, including include vision systems, miniature robotics, and docking actuators.


Z9.01 Small Launch Vehicle Technologies and Demonstrations

Lead Center: MSFC

Participating Center(s): KSC, LaRC
As small spacecraft capabilities steadily expand the demand for low-cost dedicated launch capability is expected to grow and give rise to a viable small payload market segment. Servicing this market segment will likely require a variety of small launch vehicle capabilities to deliver payload masses ranging from 5-kg cubesats up to 180-kg ESPA-Class spacecraft. Orbital altitudes of interest range between 350 to 700 km with inclinations between 28 to 98.2 degrees to support CONUS operators and sun synchronous orbits at maximum altitude. Affordability objectives are focused on reducing launch costs below $60,000/kg with a goal of less than $20,000/kg.
NASA is interested in fostering the small spacecraft commercial launch sector by investing in new technologies and innovations that are poised for rapid maturation and subsequent commercialization. It is recognized that a combination of multiple technologies and production practices will likely be needed, and it is highly desirable that disparate but complementary technologies formulate and adopt standardized interfaces to better allow for transition and integration into small spacecraft launch systems.
Technologies of specific interest under this subtopic are as follow:


  • Innovative Propulsion Technologies.

  • Affordable Guidance, Navigation & Control.

  • Manufacturing Innovations for Launch Vehicle Structures & Components.

Proposers are expected to quantify improvements over relevant SOA technologies and substantiate the basis for investment. Potential opportunities for technology demonstration and commercialization should be identified along with associated technology gaps. Ideally, proposed technologies would be matured to TRL 5 or 6 by the end of Phase II effort. Technologies that can be developed and readied for flight-testing by the end of Phase II effort are of particular interest. A brief descriptive summary of desired technical objectives and goals are provided below.


Innovative Propulsion Technologies
Innovative chemical propulsion technologies and system concepts are sought that can serve as the foundational basis of an affordable ground-launch or air-launch system architecture. The scope of interest includes main propulsion systems and novel reaction control systems based on solid, liquid, or hybrid propellants. Technical approaches that address the critical challenges associated with downward scaling of launch vehicles are highly sought. Solutions that directly address staging sensitivities on deliverable payload mass, for instance, would be of keen interest. Design simplicity, reliability, and reduced development and recurring costs are all important factors. Proposers should explain how their technology works and provide a quantitative assessment of State-of-Art (SOA) in terms of key performance and/or cost metrics.  The degree to which the proposed technology or concept is new, different, and important should also be made evident.
Affordable Guidance, Navigation, & Control
Affordable guidance, navigation & control (GN&C) is a critical enabling capability for achieving small launch vehicle performance and cost goals. Innovative GN&C technologies and concepts are therefore sought to reduce the significant costs associated with avionics hardware, software, sensors, and actuators. The scope of interest includes embedded computing systems, sensors, actuators, algorithms, as well as modeling & design tools. Low-cost commercially available components and miniaturized devices that can be repurposed as a basis for low-SWaP GN&C systems are of particular interest. Special needs include sensors that can function during prolonged periods of high-g and high-angular rate (i.e., spin-stabilized) flight, while meeting the stringent launch system environment requirements pertaining to stability and noise. A low-cost GPS receiver capable of maintaining lock, precision, and accuracy during ascent would be broadly beneficial, for example. Sensors that can withstand these conditions might be sourced from industrial and tactical applications, and performance requirements may be achievable by fusing multiple measurements, e.g., inertial and optical (sun, horizon) sensors.
Modular actuator systems are also needed that can support de-spin and turn-over maneuvers during ascent. These can include cold-gas or yo-yo type mechanisms. Improved designs are needed to reduce the overall power and volume requirements of these types of actuator systems, while still providing enough physical force to achieve the desired maneuver and enable orbital insertion. Programmable sequencers are required to trigger actuators for events such as stage sequencing, yo-yo and shroud deployment.
In addition to hardware, software algorithms for autonomous vehicle control are needed to support in-flight guidance and steering. Robust control laws and health management software are of interest, particularly those that address performance and reliability limitations of affordable hardware. This is especially important in the typical high dynamics (acceleration and angular velocity) conditions of proposed small launch vehicles. Algorithms that are able to merge data from redundant onboard sensors could improve reliability compared to expensive single-string sensors.
Similarly, advanced ground-alignment, initialization, and state estimation routines that integrate noisy data are desired to support ascent flight. These algorithms take advantage of improved onboard computational capability in order to process observations from lower accuracy sensors to provide higher fidelity information. Implementations of state-of-the-art Unscented Kalman Filters, and Square-Root-Information Filters with robust noise and sensor models are particularly applicable.
Successful technologies should eventually be tested in relevant environments and at relevant flight conditions. Potential testbeds include a variety of spacecraft and aircraft at a variety of scales. Capabilities include reduced gravity, suborbital reusable launch vehicles, high altitude balloons, subscale to ultra-high altitude aircraft, and in-flight simulation.
Manufacturing Innovations for Launch Vehicle Structures & Components
The development of more efficient vehicle structures and components are sought to improve small launch vehicle affordability. This may include the adoption and utilization of modern lightweight materials, advanced manufacturing inspired design innovations, or systems for actively alleviating launch loads and environments. Approaches for achieving life-cycle cost reductions might also include reduced part count by substitution of multifunctional components; additive and/or combined additive and subtractive manufacturing; repurposing launch structure for post-launch mission needs; incorporating design features that reduce operating costs; adoption of lean best practices for production and manufacturing; and shifting towards commercial practices and/or componentry. Alternatively, approaches based on the utilization of heavier materials could lead to simpler parts, fewer components, and more robust design margins. Although this could yield a larger rocket and impose performance penalties, significantly reduced life-cycle costs could be realized due to overall lower manufacturing and integration cost. Proposers should provide a quantitative assessment of State-of-Art (SOA) in terms of key performance and/or cost metrics.  The degree to which the proposed technology or concept is new, different, and important should also be made evident.

Focus Area 22: ISS Utilization and Microgravity Research

Participating MD(s): HEOMD
The Human Exploration and Operations Mission Directorate (HEOMD) provides mission critical space exploration services to both NASA customers and to other partners within the U.S. and throughout the world: operating the International Space Station (ISS); ensuring safe and reliable access to space; maintaining secure and dependable communications between platforms across the solar system; and ensuring the health and safety of astronauts.  Additionally, the HEOMD is chartered with the development of the core transportation elements, key systems, and enabling technologies required for beyond-Low Earth Orbit (LEO) human exploration that will provide the foundation for the next half-century of American leadership in space exploration.  In this topic area, NASA is seeking technologies that address how to improve and lower costs related to use of flight assets;  maximize the utilization of the ISS for in-situ research;  and utilize the ISS as a platform for in-space commercial science and technology opportunities.

NASA seeks to accomplish these objectives by achieving following goals:



  • Investing in the near- and mid-term development of highly-desirable system and technologies that provide innovative ways to leverage existing ISS facilities for new scientific payloads.

  • Increasing investments in Human Operations and research to prepare for long-duration missions in deep space.

  • Enabling U.S. commercial spaceflight opportunities and technology development to support the commercialization of low Earth orbit.

Through the potential projects spurred by this topic, NASA hopes to incorporate SBIR-developed technologies into current and future systems to contribute to the expansion of humanity across the solar system while providing continued cost effective ISS operations and utilization for its customers, with a high standard of safety, reliability, and affordability.
H8.01 ISS Utilization and Microgravity Research

Lead Center: JSC

Participating Center(s): ARC, GRC, JPL, KSC, LaRC, MSFC
NASA continues to invest in the near- and mid-term development of highly-desirable systems and technologies that provide innovative ways to leverage existing ISS facilities for new scientific payloads and to provide on orbit analysis to enhance capabilities. Additionally, NASA is supporting commercial science, engineering, and technology to provide low earth orbit commercial opportunities utilizing the ISS. Utilization of the ISS is limited by available up-mass, down-mass, and crew time as well as by the capabilities of the interfaces and hardware already developed and in use. Innovative interfaces between existing hardware and systems, which are common to ground research, could facilitate both increased and faster payload development and subsequent utilization. Technologies that are portable and that can be matured rapidly for flight demonstration on the International Space Station are of particular interest.
Desired capabilities that will continue to enhance improvements to existing ISS research and support hardware, with the potential of reducing crew time needs, and those that promote commercial enterprise ventures include but are not limited to, the below focus areas:


  • Projects leading to the development of new research facilities and the enhancement of others in focus areas involving granular material research, material science for polymerization, soldiering, thermal diffusivity of organic liquids, particles suspension in plasma, and safe containment of samples while undergoing microscopy imaging. Additionally, projects that address enabling on-orbit capability for utilization of larger rodents for neuroscience research are of high interest.

  • Technologies and flight projects that can enable significant terrestrial applications from microgravity development and lead to private sector and/or government agency product development within a number of discipline areas, including biotechnology, medical applications, material sciences, electronics, and pharmaceuticals. This includes modifications to existing flight instruments as well as the development of novel flight hardware for deployment on the ISS.

  • Innovative software and hardware to facilitate enhanced station operations. The technology should increase the efficiency of crew operations by simplifying training and procedures, and provide teleoperation and tele-collaboration capabilities within the station, and between the station and ground operations.

  • Instruments that can be used as inspection tools for locating and diagnosing material defects, leaks of fluids and gases, and abnormal heating or electrical circuits. The technology should be suitable for hand-held portable use. Battery powered wireless operation is desirable. Specific issues to be addressed include: pitting from micro-meteoroid impacts, stress fractures, leaking of cooling gases and liquids and detection of abnormal hot spots in power electronics and circuit boards.

  • Mid-TRL space technology experiments are solicited to fly on a new space environmental effects platform on the outside of the ISS. The new platform is called MISSE-FF (MISSE-Flight Facility). MISSE-FF provides experiment accommodations for both active experiments (requires power and communications) and passive experiments. The technology can be materials or non-materials (devices). The physical size of the experiments can vary depending on the technology being demonstrated (1 inch by 1 inch up to 7.84 inches by 14 inches). Of special interest are space technologies already developed under the NASA SBIR Program, particularly technologies that would mature in TRL due to successful demonstration in the space environment. The proposal should justify the need for spaceflight exposure and justify that the ISS environment is adequate to gather the data they need. The MISSE-FF commercial partner, Alpha Space Test & Research Alliance, LLC, plans to service MISSE-FF every 6 months. The MISSE-FF data will be made available to the global community of researchers through the NASA Physical Sciences Informatics (PSI) system. Phase I deliverables could be data from ground testing the candidate technology and passive specimens for flight on MISSE-FF. Phase II deliverables could include an active technology experiment, packaged and ready for flight on MISSE-FF.

For the above, research should be conducted to demonstrate technical feasibility and prototype hardware development during Phase I and show a path toward Phase II hardware and software demonstration and delivering an engineering development unit or software package for NASA testing at the completion of the Phase II contract that could be turned into a proof-of-concept system which can be demonstrated in flight.



9.2 STTR
The STTR Program Solicitation subtopics are aligned with the priorities of NASA’s Space Technology Roadmaps, as well as reflect NASA’s current highest priority technology thrusts being worked through each of its ten Centers.


Focus Area 1: In-Space Propulsion Technologies 217

T1.01 Affordable Nano/Micro Launch Propulsion Stages 217

T1.02 Detailed Multiphysics Propulsion Modeling & Simulation Through Coordinated Massively Parallel Frameworks 218

T2.01 Advanced Nuclear Propulsion 218



Focus Area 2: Power and Energy Storage 220

T3.01 Energy Harvesting, Transformation and Multifunctional Power Dissemination 221

T3.02 Intelligent/Autonomous Electrical Power Systems 223

Focus Area 3: Autonomous Systems for Space Exploration 225

T11.01 Machine Learning and Data Mining for Autonomy, Health Management, and Science 225

T11.02 Distributed Spacecraft Missions (DSM) Technology Framework 227

T12.01 Advanced Structural Health Monitoring 227



Focus Area 4: Robotic Systems for Space Exploration 228

T4.01 Information Technologies for Intelligent and Adaptive Space Robotics 229

T4.02 Regolith Resources Robotics - R3 230

Focus Area 6: Life Support and Habitation Systems 232

T6.01 Closed-Loop Living System for Deep-Space ECLSS with Immediate Applications for a Sustainable Planet 233

T6.02 Liquid Quantity Sensing Capability 234

T6.03 Modeling and Estimation of Integrated Human-Vehicle Design Influences 234

T7.01 Advanced Bioreactor Development for In-Situ Microbial Manufacturing 235

T7.02 Space Exploration Plant Growth 236



Focus Area 9:  Sensors, Detectors and Instruments 236

T8.01 Technologies for Planetary Compositional Analysis and Mapping 237

T8.02 Photonic Integrated Circuits 238

T13.01 Intelligent Sensor Systems 240

T15.02 Bio-inspired and Biomimetic Technologies and Processes for Earth and Space 241

Focus Area 15: Lightweight Materials, Structures, Assembly, and Construction 243

T12.02 Technologies to Enable Novel Composite Repair Methods 244

T12.03 Thin-Ply Composites Design Technology and Applications 244

T12.04 Experimental and Analytical Technologies for Additive Manufacturing 245



Focus Area 16: Ground and Launch Processing 246

T1.03 Real Time Launch Environment Modeling and Sensing Technologies 246



Focus Area 18: Air Vehicle Technology 247

T15.01 Distributed Electric Propulsion Aircraft Research 247



Focus Area 21: Small Spacecraft Technologies 248

T4.03 Coordination and Control of Swarms of Space Vehicles 249



Focus Area 1: In-Space Propulsion Technologies


NASA is interested in technologies for advanced in-space propulsion systems to reduce travel time, reduce acquisition costs, and reduce operational costs for exploration and science spacecraft. The future will require demanding propulsive performance and flexibility for more ambitious missions requiring high duty cycles, more challenging environmental conditions, and extended operation. This focus area seeks innovations for NASA propulsion systems in chemical, electric, and nuclear thermal propulsion systems related to human exploration, sample return missions to Mars, small bodies (like asteroids, comets, and Near-Earth Objects), outer planet moons, and Venus. Propulsion technologies will focus on a number of mission applications included ascent, descent, orbit transfer, rendezvous, station keeping, and proximity operations.
T1.01 Affordable Nano/Micro Launch Propulsion Stages

Lead Center: MSFC



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