Abstract:A robust nonlinear control method is presented for spacecraft precise formation flying. With the constraint forces and considering nonlinearity and perturbations, the problem of the formation keeping is changed to the Lagrange systems with the holonomic constraints and the differential algebraic equations (DAE). The nonlinear control laws are developed by solving the DAE. Because the traditional numerical solving methods of DAE are very sensitive to the various errors and the resulting control laws are not rob… Show more
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