A de-coupled sliding mode controller and observer for satelliteattitude control
McDuffie, J.H.; Shtessel, Y.B.
System Theory, 1997., Proceedings of the Twenty-Ninth Southeastern Symposium on
Volume , Issue , 9-11 Mar 1997 Page(s):92 - 97
Digital Object Identifier 10.1109/SSST.1997.581585
Summary:A decoupling sliding mode controller and observer is derived for
spacecraft attitude tracking maneuvers and regulation in terms of
quaternions. The controller sliding manifold guarantees globally stable,
asymptotic convergence to the desired time-dependent quaternion profile
and the quaternion tracking error responds as a linear homogeneous
vector differential equation with constant coefficients and desired
eigenvalues placement. The full-order sliding mode observer is used to
avoid quaternion error differentiation noise and to eliminate the need
for angular velocity measurement
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