S P 2 2 F - S t e e r P o t e n t i o m e t e r S P 2 2 F - H i p P o t e n t i o m e t e r S P 2 2 F - L e a n P o t e n t i o m e t e r S P 2 2 F - T w i s t P o t e n t i o m e t e r C R S 0 3 - 4 - G y r o E - 2 1 2 0 - D C C e r a m i c P e r m a n e n t M a g n e t W h e e l S p e e d M o t o r D C D A Q P u s h B u t t o n A D X L 3 3 5 - F r a m e A c c e l e r o m e t e r Z Y X F u t e k M o d e l T F F 3 5 0 R e a c t i o n T o r q u e S e n s o r F u t e k M o d e l C S G 1 1 0 T o r q u e a m p l i f i e r 1 0 V S h i e l d 3 V L M 3 1 7 T L M 3 4 0 T 5 2 2 0 Ω 3 3 0 Ω 2 2 0 Ω 2 K Ω C o n n e c t o r s 1 4 . 4 V 7 . 2 V T o g g l e S w i t c h 7 . 2 V N i C a d B a t t e r y 7 . 2 V N i C a d B a t t e r y + + 1 4 . 4 V 5 V 7 . 2 V 1 2 . 7 V A I 0 A I 1 A I 2 A I 3 A I 4 A I 5 A I 6 A I 7 A I 8 A I 9 A I 1 0 A I 1 1 A I 1 2 A I 1 3 A I 1 4 A I 1 5 A I 1 6 A I 1 7 A I 1 8 A I 1 9 A I 2 0 A I 2 1 A I 2 2 A I 2 3 A I 2 4 G N D A O 0 D A Q U n i t N I U S B - 6 2 1 8 L M 3 2 4 N C 4 + 2 . 5 V R 1 R a R 3 R b R d + 2 . 5 V + C 2 L M 3 2 4 N R g R g N u l l i n g P o t e n t i o m e t e r B r i d g e + ( B + ) B r i d g e - ( B - ) - + 2 . 5 V L M 3 1 7 T 5 V A m p l i f i e r + L o w P a s s F i l t e r ( S t a g e 1 & 2 ) T o D A Q A s u s E E E P C M o d e l # 1 0 0 1 P - M U 1 7 - W T V e c t o r N a v V N - 1 0 0 I n e r t i a l M e a s u r e m e n t U n i t R s 2 R s 1 R s 2 R s 1 R s 1 = 3 5 0 Ω R s 2 = 4 0 2 Ω R s R s R s R s R s = 3 5 0 Ω R s R s R s R s R s = 3 5 0 Ω R s R s R s R s R s = 3 5 0 Ω A m p + L o w P a s s F i l t e r ( R g = 1 6 . 5 k Ω ) 2 . 5 V 5 V 7 . 2 V C a l S t o n e S t r a i n G a u g e A m p l i f i e r S e a t P o s t B r i d g e 1 S e a t P o s t B r i d g e 2 S e a t P o s t B r i d g e 3 S e a t P o s t B r i d g e 4 S e a t P o s t B r i d g e 5 S e a t P o s t B r i d g e 6 R i g h t F o o t B r i d g e 1 R i g h t F o o t B r i d g e 2 L e f t F o o t B r i d g e 1 L e f t F o o t B r i d g e 2 L a t e r a l F o r c e B r i d g e R s 2 R s 1 R s 2 R s 1 R s 1 = 3 5 0 Ω R s 2 = 4 0 2 Ω R s 2 R s 1 R s 2 R s 1 R s 1 = 3 5 0 Ω R s 2 = 4 0 2 Ω R s 2 R s 1 R s 2 R s 1 R s 1 = 3 5 0 Ω R s 2 = 4 0 2 Ω R s 2 R s 1 R s 2 R s 1 R s 1 = 3 5 0 Ω R s 2 = 4 0 2 Ω R s 2 R s 1 R s 2 R s 1 R s 1 = 3 5 0 Ω R s 2 = 4 0 2 Ω R s 2 R s 1 R s 2 R s 1 R s 1 = 3 5 0 Ω R s 2 = 4 0 2 Ω R s 2 R s 1 R s 2 R s 1 R s 1 = 3 5 0 Ω R s 2 = 4 0 2 Ω R g v a l u e n o t t a b u l a t e d A m p l i f i e r ( S t a g e 1 ) L o w P a s s F i l t e r ( S t a g e 2 ) S P 2 2 F - R o l l P o t e n t i o m e t e r V - O f f s e t 0 - 5 V P o t e n t i o m e t e r P + P - N P B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P A m p + L o w P a s s F i l t e r B + B - P + P - N P L M 3 4 5 0 T 5 S e a t P o s t g a i n s C 2 . 0 2 2 μ F C 4 . 0 2 2 μ F R a 4 6 . 4 k Ω R 3 1 0 0 k Ω R 1 5 9 k Ω R g V a r i a b l e R b 4 6 . 4 k Ω R t . 3 8 k Ω R d . 9 1 k Ω R s . 3 5 k Ω R d R d R d R d R d R d R d R d R d R d R d S e n s o r V o l t a g e R e g u l a t o r + - - - - - - - UC Davis Instrumented Bicycle- Wiring Diagram Garry Negroni (1/5/12)