虚位移法确定单横摆 臂独立悬架的线刚度 (G、+Gn SO=SS.k SFOS,=OSS OF=00 2 1 dos. Ss=k ss +OF2)-(+0。=0 k,=2k dS 112511/25 Om ' F z F z r St s S Q Q 2 Gu Gs m n s s z s u Q S k F G G  =  = ( + ) 2 ' 1 m S n St s r     = = ) ( ) 0 2 ' ' + z t − + s = u z F S Q Q S G （F－     2 ' ' 2 ( ) 2 t s l s t s t s s l t s z z t s S S k k S S S k S k S S F Q F S Q S               = = = =