Nonlinear H/sub ∞/ control and its application to rigid spacecraft

This is the authors' abstract. We don't add key points for this paper.

The problem of H/sub /spl infin// control of a rigid spacecraft with three control torques and disturbances is addressed. The Hamilton-Jacobi-Isaacs inequality for H/sub /spl infin// feedback design is solved. An H/sub /spl infin// suboptimal feedback is given, and the stability properties of the closed-loop system are studied.>