6ENRIQUE BARBIERI,UMIT OZGUNER.Unconstrained and constrained mode expansions for a flexibleslewing link[J].Transaction of ASME,1988,110(6):416-421.
7HABLANI,HARI B.Constrained and unconstrained modes:some modeling aspects of flexible spacecraft[J].Journal of Guidance,Control,and Dynamics,1982,5(2):164-173.
8Barbieri E,Ozguner U. Unconstrained and constrained mode expansions for a flexible slewing link[J].Transactions of the ASME,1988,(06):416-421.
9Hablani H B. Constrained and unconstrained modes:some modeling aspects of flexible spacecraft[J].Journal of Guidance,Control & Dynamics,1982,(02):164-173.
