NASA CR-2357 Feasilibility Study of an SSPS

28a Variation of the 1st Anti-Symmetric Pitch Mode Frequency with Rate Feedback Gain 50 28b Variation of the 1st Anti-Symmetric Pitch Mode Frequency with Rate Feedback Gain 50 29 Variation of the 1st Anti-Symmetric Pitch Mode Frequency with Structural Weight and Attitude Error 51 30 Roll Axis 52 31 First Symmetric Roll Axis Bending Mode Shape 53 32 First Anti-Symmetric Roll Axis Bending Mode Shape 53 33 Digital Simulation of Roll Axis Flexible Body Dynamics for a 89,700 Ft.-Lb. Constant Disturbance Torque 57 34 Digital Simulation of Roll-Axis, Rigid-Body Dynamics for a 89,700 Ft.-Lb Constant Disturbance Torque 57 35 Variation of the 1st Anti-Symmetric-Roll Mode Frequency with Attitude Error 58 36 Variation of the 1st Anti-Symmetric Roll Mode Frequency with Attitude Error 58 37a Variation of the 1st Anti-Symmetric Roll Mode Frequency with Response Time 59 37b Variation of the 1st Anti-Symmetric Roll Mode Frequency with Response Time 59 38 Variation of the 1st Anti-Symmetric Mode Frequency with Steady-State Control Force 60 39 Variation of the 1st Anti-Symmetric Roll Frequency with Control System Gain 60 40a Variation of the 1st Anti-Symmetric Roll Mode with Rate Feedback Gain 61 40b Variation of the 1st Anti-Symmetric Roll Mode with Rate Feedback Gain 61 41 Variation of the 1st Anti-Symmetric Roll Mode Frequency with Structural Weight and Attitude Error 62 42 Yaw Axis. 63 43 1st Symmetric Yaw-Axis Bending Mode 64 44 1st Anti-Symmetric Yaw-Axis Bending Mode 64 45 2nd Symmetric Yaw-Axis Bending Mode 64 46 2nd Anti-Symmetric Yaw-Axis Bending Mode 64 47 Digital Simulation of the Flexible Body Dynamics for a 0.001 Rad-Initial Attitude 67 48 Digital Simulation of the Yaw Axis Rigid Body Dynamics for a 0.001-Rad-lnitial Attitude 68

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