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The six-degrees-of-freedom relative motion control of a chaser spacecraft approaching a free tumbling target in deep space is investigated in this paper. In view of unknown model uncertainties and complex dynamic couplings in the dynamical model, a direct adaptive fuzzy nonlinear controller is constructed by using fuzzy logic systems to approximate the uncertainties and couplings, where the parameter...
Based on the hierarchical fuzzy systems (HFS), the tracking control of satellite attitude with uncertain dynamical models is investigated, and a direct adaptive fuzzy predictive control method is presented. First, a nonlinear generalized predictive control (NGPC) law is designed based on the satellite attitude dynamical model, then, a controller are constructed by using HFS to approximate model uncertainties,...
The Leader/Follower formation control of mobile robots with uncertain dynamical models is investigated in this paper and adaptive shape tracking controller is developed for the follower. Firstly, a kinematic shape tracking controller is presented based on the formation equation, then the shape tracking error equation is derived with backstepping technology and a direct adaptive dynamical shape tracking...
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