Path: CubeSat/Actuators
% Returns the force, torque and mass flow for a cold gas system.
Will call CubeSatAttitude for the attitude model if p.q is empty.
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Form:
[force, torque, mDot] = CubeSatPropulsion( mass, p, d )
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Inputs
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mass (1,1) Total system mass
p (.) Data structure
.r (3,1) ECI position
.v (3,1) ECI velocity
.q (4,1) ECI to body quaternion
d (.) Data structure
.gas (1,:) Gas name
.throatArea (1,1) Area of throat (m^2)
.volumeTank (1,1) Tank volume (m^3)
.temperature (1,1) Tank temperature (deg-K)
.expansionRatio (1,1) Expansion ratio of nozzle
.rNozzle (3,n) Position of thruster (m)
.uNozzle (3,n) Thrust unit vector
.cM (3,1) Center-of-mass (m)
.pulsewidthFraction (1,n)
.pRegulator (1,1) Regulator pressure (N/m^2)
.att (.) Attitude data structure
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Outputs
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force (3,1) ECI Force vector (N)
torque (3,1) Torque vector (N)
mDot (1,1) Mass flow rate (kg/s)
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See also GasProperties, CubeSatAttitude
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AerospaceUtils: Coord/QLVLH CubeSat: Utilities/CubeSatAttitude Common: CommonData/SwooshWatermark Common: General/CellToMat Common: General/MatToCell Common: General/StrMtch Common: General/Watermark Common: Graphics/NewFig Common: Graphics/Plot2D Common: Graphics/PltStyle Common: Materials/GasProperties Common: Quaternion/Mat2Q Common: Quaternion/QMult Common: Quaternion/QTForm Math: Linear/Cross Math: Linear/Unit
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