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  • Other Sources  (2)
  • Avionics and Aircraft Instrumentation; Cybernetics, Artificial Intelligence and Robotics  (1)
  • Cybernetics, Artificial Intelligence and Robotics; Aircraft Stability and Control  (1)
  • 1
    Publication Date: 2019-07-20
    Description: We present a robust initialization scheme that estimates parameter values for the numerical solution of a two-point boundary value problem. The two-point boundary value problem formulation stems from the optimization of a cost functional subject to the dynamics of a simplified lateral aircraft model and other constraints. Leveraging regular perturbation methods, initial parameter estimates are analytically determined and used to initialize a gradient descent optimization routine which is shown to rapidly converge over a range of initial aircraft positions and heading angles. Additionally, the velocity of the aircraft is optimized to ensure the trajectory of the aircraft terminates within a desired region in both time and space.
    Keywords: Cybernetics, Artificial Intelligence and Robotics; Aircraft Stability and Control
    Type: ARC-E-DAA-TN5446 , InfoTech @ Aerospace Conference 2012; Jun 19, 2012 - Jun 21, 2012; Garden Grove, CA; United States
    Format: application/pdf
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  • 2
    Publication Date: 2019-07-12
    Description: The Astrobee Research Facility will maintain three identical free-flying Astrobee robots on the ISS. After the Astrobees are launched and commissioned in 2018, they will replace the SPHERES robots that have been operating on the ISS since 2006 (Fig. 2). Over the years, the SPHERES have been among the most-used payloads on the ISS, supporting dozens of experiments from a variety of guest scientists. In the next section, we'll talk about past SPHERES experiments as possible inspiration for your future research on Astrobee. Compared to SPHERES, the Astrobee robots will offer many new capabilities and will require less astronaut time to support, so we hope the new facility will be able to fly experiments much more often.
    Keywords: Avionics and Aircraft Instrumentation; Cybernetics, Artificial Intelligence and Robotics
    Type: IRG-FF029 , ARC-E-DAA-TN46452
    Format: application/pdf
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