Table  of  Contents      

Overview
1. GG: The Mission Goals And Its Novelty

1.1--1.12

1.1  The Scientific Objective
2.2 The Advantages of Space
1.3  The Technological Objective
1.4  GG vs Other Projects
      Chapter 1 - References

1.1-1.3
1.3-1.5
1.5-1.7
1.7-1.10
1.11-1.12

2. The GG Space Experiment: Requirements and Perturbation Analysis

2.1--2.52

2.1  The Satellite and The Orbit
     
2.1.1 Attitude and Orbit Selection
     
2.1.2  Main Disturbing Effects on the GG Orbit and Attitude
     
2.1.3  Compensation of Non-Gravitational Forces
     
2.1.4  Abatement of Platform Vibrational Noise
2.2  The Experiment
       2.2.1 Test Bodies and Signal
     
2.2.2  Self Centring and Stabilization in Supercritical Rotation
     
2.2.3  Drag-Free Control
     
2.2.4  Rejection of Common Mode Forces
       2.2.5  The Capacitance Readout System
     
2.2.6  Initial Calibration Phase
     
2.2.7  Thermal Insulation
     
2.2.8  Locking Unlocking
2.3  Perturbation Analysis
       2.3.1  Electrostatic Effects
     
2.3.2  Magnetic Effects
     
2.3.3  Coupling to Higher Mass Moments of Test Bodies
     
2.3.4  Tidal Effects
       2.3.5 Noise From the Electrostatic Active Damping
     
2.3.6  Low Frequency Resonant Effects
     
2.3.7  Temperature Effects and Thermal Noise
Chapter 2 -- References

2.1-2.17
2.1-2.4
2.4-2.13
2.13-2.16
2.16-2.17
2.18-2.39
2.18-2.22
2.22-2.29
2.29-2.30
2.30-2.33b
2.34-2.36
2.36
2.36-2.37
2.38-2.39
2.40-2.50
2.40
2.40-2.42
2.42-2.43
2.43-2.44
2.44-2.45
2.46
2.46-2.50
2.51-2.52

3. The GG Flight System

3.1--3.130

3.1 Payload
      
3.1.1  Payload Configuration
      
3.1.2  Payload Electronics
      
3.1.3  Thermal Control of the Scientific Payload
3.2  Launch Requirements and Constraints
3.3  Satellite Configuration
3.4  Mechanical Design
       3.4.1  Solar Panel Mechanical Characteristics
      
3.4.2  Structural Design
      
3.4.3  Launcher Requirements
      
3.4.4  Sandwich Plates and Rod Properties
       3.4.5 Materials Selection
      
3.4.6  Structural Mass Budget
      
3.4.7  Finite Element Model Description
      
3.4.8  Static Analysis
      
3.4.9  Normal Modes Analysis at Launch
3.5  Spacecraft Thermal Control
       3.5.1 Thermal Control Subsystem (TCS) Requirements
      
3.5.2  TCS Concept and Configuration
      
3.5.3  TCS Performance
      
3.5.4  Conclusions and Critical Areas
3.6  Dynamics and Control
       3.6.1 Dynamic Analysis
      
3.6.2  Attitude Measurement and Control System
      
3.6.3  Drag-Free Control Approach
      
3.6.4  The FEEP Thrusters
       3.6.5 FEEP Control System
3.7  Integrated Avionics and Control System (IACS) Architecture
3.8  Tracking, Telemetry and Command
3.9 Power Supply, Conditioning and Distribution
3.10  Satellite Budgets
3.11  Mission Operations
       3.11.1 Mission Operations
     
3.11.2  Ground Control

3.1-3.34
3.1-3.10
3.11-3.17
3.18-3.34
3.35-3.36
3.37-3.46
3.47-3.64
3.47
3.47-3.48
3.48-3.49
3.49-3.50
3.50-3.51
3.51
3.52
3.52-3.54
3.54-3.64
3.65-3.73
3.65
3.66-3.68
3.68-3.73
3.73
3.74-3.111
3.74-3.83
3.84-3.96
3.97-3.100
3.101-3.104
3.105-3.111
3.112-3.116
3.117-3.120
3.121-3.124
3.125-3.126
3.127-3.130
3.127-3.128
3.129-3.130

4. GG Programme Development Approach

4.1--4.31

4.1 Satellite Development Approach
4.2 Technology Requirements and Development Approach
4.3 Ground Support Equipment
4.4 The GGG Ground Experiment

4.1-4.9
4.10-4.12
4.13-4.22
4.23-4.31


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(Anna Nobili- nobili@dm.unipi.it)
Last  edited   April 24, 1998