396 Alex Goodman 
Pure Pitchin Synchronous Switch 
CT 
gc car Fae: te 
_ 5 2 z | = J 
9 “rats | Kr Xo, Xj +x =b 
wt Yw, w, Z 
Zz j oN = 
z Las . Las wt Zz, =a sinwt 
/2~ |" en 37 
72 Noe Zo =a sin (wt -%.) 
60 /+\ Q= sak = - 49 sin [costut-5)] 
ds 
wonepe| 
Bo % cos(wt-—) 
= Q=WO sin (wt- 5) 
BY 
ds 
6 =4=w"@, cos(wt-—) 
lens , 
Zp=Zo cos [(wt-) - 4] 
: ¢ 
=Z, Cos dcos(wt-S2)+Z, sin g sin(wt- 3) 
yore m+ $8 
Zin? ae ZRd(wt)- zagiet] zoe 
$5 wns 
5 ome m+ 8 
is yaaa $ 
dyes 
zou" F-2s| | Zp att) -[ ZR don) + | ze gt 
ec re 
\ ar Ss a 
N 
> 
N 
2 
eM 
Wi 
=Z_ sing 
Fig. 5. Analysis of pure pitching: motion 
