Performance Test of a Fluidic Momentum Controller in Three Axes External Advisory Committee Meeting October 23, 2003 Shara Walenta Amanda Kelly Patrick Smith Brad Steinfeldt Chad Zaruba Michael Davies

Motivation for Fluidic Momentum Controller (FMC) International Space Station Control Moment Gyro (CMG) European Space Agency Momentum Wheel Conventional Spacecraft Attitude Controllers Performance Test of a Fluidic Momentum Controller in Three Axes External Advisory Committee October 23, 2003

Goals for the FLOAT Team Ultimate Goal of Research A successful test will provide motivation for increased research into FMCs KC-135 Test Objective To design a control system that, after an initial disturbance, will be able to return the apparatus to its original position within 20 seconds Performance Test of a Fluidic Momentum Controller in Three Axes External Advisory Committee October 23, 2003

Fluid Loops and Pumps Accelerometers FieldPoint Batteries Supply power to control module Control module distributes and regulates power FieldPoint Stand-alone control system Integrated modular input/output distributor 3 modules Control module Input module Output module Accelerometers Read acceleration rates of 6 faces Input voltages to control system corresponding to accelerations Fluid Loops and Pumps Accelerate Fluid to generate a change in angular momentum Apply torques over time to negate disturbance effects

Questions? Performance Test of a Fluidic Momentum Controller in Three Axes External Advisory Committee October 23, 2003