We describe the automatic synthesis of a global nonlinear controller for stabilizing a magnetic levitation system. The synthesized control system can stabilize the maglev vehicle with large initial displacements from an equilibrium, and possesses a much larger operating region than…

by Lloyd Brodsky., Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1991., Includes bibliographical references (leaves 205-210).

In order to determine the characteristics of papers published in the rheumatological literature, we have conducted a survey of the seven leading rheumatological journals published in 1987; 1107 original papers have been reviewed and classified according to study design, statistical…