On the shape and orientation control of orbiting shallow spherical shell structureThe dynamics of orbiting shallow flexible spherical shell structures under the influence of control actuators was studied. Control laws are developed to provide both attitude and shape control of the structure. The elastic modal frequencies for the fundamental and lower modes are closely grouped due to the effect of the shell curvature. The shell is gravity stabilized by a spring loaded dumbell type damper attached at its apex. Control laws are developed based on the pole clustering techniques. Savings in fuel consumption can be realized by using the hybrid shell dumbbell system together with point actuators. It is indicated that instability may result by not including the orbital and first order gravity gradient effects in the plant prior to control law design. Previously announced in STAR as N82-17243
Document ID
19830056254
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Bainum, P. M. (Howard Univ. Washington, DC, United States)
Reddy, A. S. S. R. (Howard University Washington, DC, United States)