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A central problem in the control of lightly damped, flexible large space structures is control and observation spillover of reduced-order controllers which can produce destabilizing interactions with unmodeled modes of vibration. Techniques for preventing control spillover by proper synthesis of the influences of existent actuators on a structure and by proper initial placement of the actuators are...
A new hypothesis on traveler behavior in a network is described which is based on empirical findings in the theory of travel budgets. It is translated into an assignment principle for characterizing the distribution of travelers, as well as the demand and mode split. A numerical technique is proposed, and it is applied to several examples to illustrate qualitative features. The new hypothesis is significant...
A new approach to the geometrical representation of manipulator dynamics is presented. Inertia ellipsoid, which is used to represent dynamic characteristics of a single rigid body, is extended to a general ellipsoid for a series of rigid bodies in order to represent the manipulator dynamics. By drawing the generalized inertia ellipsoid in space, we can visualize the characteristics of manipulator...