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Osiander / MEMS and microstructures in Aerospace applications DK3181_c010 Final Proof page 203 1.9.2005 12:13pm
10 Microsystems in
Spacecraft Guidance,
Navigation, and Control
Cornelius J. Dennehy and Robert Osiander
CONTENTS
10.1 Introduction................................................................................................ 203
10.2 Miniaturized Modular GN&C Subsystems for Microsatellites................ 205
10.2.1 JPL Micronavigator...................................................................... 207
10.2.2 GSFC Microsat Attitude and Navigation Electronics................. 207
10.2.3 NMP ST6 Inertial Stellar Camera ............................................... 208
10.3 MEMS Attitude Measurement Sensors..................................................... 211
10.3.1 MEMS Magnetometers ................................................................ 212
10.3.2 MEMS Sun Sensors ..................................................................... 213
10.3.3 Earth Sensors................................................................................ 213
10.3.4 Star Trackers ................................................................................ 214
10.4 MEMS Inertial Measurement Sensors ...................................................... 214
10.4.1 MEMS Gyroscopes ...................................................................... 216
10.4.2 A MEMS Gyro Application Example: The NASA/JSC
AERCam System ......................................................................... 219
10.4.3 MEMS Accelerometers................................................................ 220
10.5 MEMS Attitude Control Devices.............................................................. 220
10.6 Advanced GN&C Applications for MEMS Technology.......................... 221
10.6.1 MEMS Atom Interferometers for Inertial Sensing ..................... 221
10.6.2 Miniaturized GN&C Sensors and Actuators ............................... 222
10.6.3 MEMS-Based Sensitive Skin for Robotic System Control......... 222
10.6.4 Modular MEMS-Enabled Independent Safe Hold Sensor Unit.. 223
10.6.5 Precision Telescope Pointing....................................................... 223
10.7 Conclusion ................................................................................................. 224
References............................................................................................................. 226
10.1 INTRODUCTION
Since the launch of Sputnik (October 4, 1957) significant resources have been
invested in the design and development of guidance, navigation, and control
(GN&C) systems for aerospace vehicles and platforms. As a result, the extraordinary
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© 2006 by Taylor & Francis Group, LLC
