Accession Number : ADA018650

Title :   Solid Friction Damping of Spacecraft Oscillations,

Corporate Author : AEROSPACE CORP EL SEGUNDO CALIF GUIDANCE AND CONTROL DIV

Personal Author(s) : Dahl,P. R.

Report Date : 01 SEP 1975

Pagination or Media Count : 20

Abstract : A theory of solid friction damping of mechanical oscillators is presented. The theory is based upon a solid friction mathematical model previously proposed by the author. A summary and improved description of the general analytic features of the solid friction model are given as necessary background for the theory. The Coulomb friction damped oscillator is analyzed to establish an approach to the treatment of a simple friction damped oscillator. The approach is then generalized to treat a more general model of friction where the author's model is used to describe friction force as a function of displacement rather than velocity. The oscillator studied is a wire pendulum where solid friction enters via inelastic flexing of the wire at the support.

Descriptors :   *Scientific satellites, *Extendable structures, *Booms(Equipment), *Oscillation, Damping, Friction, Pendulums, Spacecraft components

Subject Categories : Astronautics
      Unmanned Spacecraft

Distribution Statement : APPROVED FOR PUBLIC RELEASE