Space Accelerometers: Present Status

  • Pierre Touboul
Conference paper
Part of the Lecture Notes in Physics book series (LNP, volume 562)


In view of space missions, for accurate recovery of the Earth gravity field, for the test of the equivalence principle and for the observation of gravity waves in particular, specific inertial sensors are developed exhibiting very high resolution and limited full scale range suited for in orbit operation. These sensors are constructed around a high density proof-mass with a very fine and stable silica gold coated core. The proof-mass position and attitude are measured with highly sensitive capacitive sensors and are controlled with electrostatic actuators. The configuration and the major design parameters of these instruments are described in relation to the expected performances. The present status of the development of these instruments is shown together with the associated space mission scientific objectives. The main experimental results obtained during the ground qualification of these accelerometers are also presented.


Equivalence Principle Gravity Gradient Inertial Sensor Capacitive Sensor Electrostatic Actuator 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Pierre Touboul
    • 1
  1. 1.Physics, Instrumentation and Sensing DepartmentOffice National d’Etudes et de Recherches AérospatialesChâtillon CedexFrance

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