PSP Bibliography





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Found 6 entries in the Bibliography.


Showing entries from 1 through 6


2017

Initial attitude control challenges for the solar probe plus spacecraft

The Solar Probe Plus (SPP) mission plans to launch a spacecraft to explore the Sun in 2018. Attitude control is maintained with a 3-axis stabilized, closed-loop control system. One of the first tasks for this system is acquiring attitude knowledge and establishing attitude control after separation from the launch vehicle. Once control is established, the spacecraft must be moved through a sequence of attitudes to meet power and thermal constraints and reach a powerpositive state. This paper describes the options selected for ...

Vaughan, Robin; Shaughnessy, Daniel; Wirzburger, John;

Published by: Advances in the Astronautical Sciences      Published on:

YEAR: 2017     DOI:

Attitude control; Flight control systems; Probes; Space flight; Parker Engineering

Sun direction determination for the solar probe plus spacecraft

The Solar Probe Plus (SPP) mission plans to launch a spacecraft to explore the Sun in 2018. This paper presents the process applied in the attitude control flight software for the spacecraft to determine the best Sun direction from Sun sensor data or a vector derived from on-board ephemeris models and the estimated attitude. Self-consistency checks applied to determine validity of these different knowledge sources are explained, with emphasis on processing of solar limb sensor data. Consistency checks between the available d ...

Vaughan, Robin; Wirzburger, John; McGee, Timothy; Shapiro, Hongxing; Shaughnessy, Daniel;

Published by: Advances in the Astronautical Sciences      Published on:

YEAR: 2017     DOI:

Attitude control; Probes; Parker Engineering

2014

Solar probe plus (SPP) dynamic solar array simulator

The Solar Probe Plus (SPP) mission, under NASA’s Living With a Star program, will fly a spacecraft (S/C) through the sun’s outer corona with orbit perihelia that gradually approach as close as 9.86 solar radii from the center of the sun. The mission will gather data on the processes of coronal heating, solar wind acceleration, and production, evolution, and transport of solar energetic particles. The S/C is powered by two actively cooled photovoltaic solar array (S/A) wings. Because of the extreme environments ne ...

Baisden, Carson;

Published by: 12th International Energy Conversion Engineering Conference, IECEC 2014      Published on:

YEAR: 2014     DOI:

Attitude control; Control theory; Digital signal processors; Electric power systems; Flight control systems; MATLAB; NASA; Orbits; Probes; signal processing; Simulators; Software testing; Solar cell arrays; Space flight; Spacecraft power supplies; Vibrations (mechanical); Wings; Parker Engineering

2013

A first look at the guidance and control system for the Solar Probe Plus mission

The Solar Probe Plus mission plans to send a spacecraft to explore the inner region of the heliosphere and is currently working towards launch in 2018. Protection from the harsh solar environment is accomplished with a large thermal protection system (TPS), which includes a large shield protecting most spacecraft components and instruments from direct exposure to the Sun. Reliable attitude control is needed to keep the TPS shield between the main body of the spacecraft and th ...

Vaughan, Robin; Shapiro, Hongxing; Wirzburger, John;

Published by: AIAA Guidance, Navigation, and Control (GNC) Conference      Published on:

YEAR: 2013     DOI:

Attitude control; Conceptual design; Control systems; Solar cell arrays; Parker Engineering

Avoiding the burn: Maintaining a Sun-safe attitude for the Solar Probe Plus spacecraft

The Solar Probe Plus (SPP) mission plans to send a spacecraft to explore the inner region of the heliosphere and is currently working towards launch in 2018. The SPP spacecraft will make in-situ measurements and remote observations over a series of 24 nearly-ecliptic solar orbits with perihelion decreasing from 35 solar radii (Rs) to a minimum of 9.86 Rs over a period of 7 years. Proper orientation of the spacecraft and solar arrays relative to the Sun is essential for a successful mission. A large shield must be kept betwee ...

Vaughan, Robin; Kubota, Sanae; Shapiro, Hongxing; Kagan, Mike; Vesel, John;

Published by: AIAA Guidance, Navigation, and Control (GNC) Conference      Published on:

YEAR: 2013     DOI:

Attitude control; Closed loop control systems; Failure analysis; Probes; Solar cell arrays; Spacecraft; Parker Engineering

2012

Solar Probe Plus (SPP) autonomous solar array angle control

The Solar Probe Plus mission, under NASA s Living with a Star program, will fly a spacecraft (S/C) through the sun s outer corona with orbit perihelia that gradually approach as close as 9.5 solar radii from the center of the sun. The mission will gather data on the processes of coronal heating, solar wind acceleration, and production, evolution and transport of solar energetic particles. The S/C is powered by two actively cooled photovoltaic solar array (S/A) wings. Due to the extreme environments near the sun, the S/C body ...

Baisden, Carson; Roufberg, Lew;

Published by: 10th Annual International Energy Conversion Engineering Conference, IECEC 2012      Published on:

YEAR: 2012     DOI:

Attitude control; NASA; Orbits; Probes; Solar cell arrays; Space flight; Vibrations (mechanical); Parker Engineering



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