Static and Dynamic Response of a Design of Differential ... - aerade

In the present c&se z, = LqS + RI
z2 =
Now providing Z,Z3 is smsll compared dth (X, + Z3)Z2 (see Appendix II)
then the quartio in the denominator of equation 17 may be replacea
approximstely by a biquadratic, viz
where ~JJT =1
L,C,L2G2 t
2 R1
S + q S + m
f: + G(S)] wf 0;
1
- ?--
= [(s + Id2 + n:] [(S + p2)Z + n;]
LPI
= 2% x woustic u.n.f.
2 = - 1 = 271 x mechanical u.n.f.
O2
L25
ii _s 2 R2s+-L'
+ L2
9 = ,$ r-q = 27~ x acoustic dsmped n.f.
27~ x Dechanicel d&Ted n..f.
c+,J~ . G(S) = 's3 L P + s2{+ + 2(P,+P2)v]
L2C2
i
(18)