Modern Control Techniques Applicable to the Space Shuttle Main Engine,
ROCKWELL INTERNATIONAL CANOGA PARK CA ROCKETDYNE DIV
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This paper is divided into four sections. The first section introduces the SSME Space Shuttle Main Engine rocket engine and the techniques used to simulate the dynamics of the SSME including linear model derivation. A discussion of actuator dynamics and their effect on closed-loop response is also presented. In the next section, the LQG Linear Quadratic Gaussian technique is briefly discussed with a more detailed description of the Linear Quadratic Regulator. A procedure is discussed for choosing the LQR weighting matrices. Conclusions and recommendations follow.