040804alertsys_1

040804alertsys_1 - System Supervisory Control Computer...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: System Supervisory Control Computer Interface Display Control Sensors Direct Observation 1 6 . 4 2 2 A l e r t i n g S y s t e m s P r o f . R . J o h n H a n s m a n A c k n o w l e d g e m e n t s t o J i m K u c h a r System Supervisory Control Computer Interface Display Control Sensors Direct Observation C o n s i d e r S e n s o r S y s t e m S y s t e m T h r e s h o l d D i s p l a y O r A l e r t S e n s o r y R a d a r y E n g i n e F i r e D e t e c t i o n y O t h e r System Supervisory Control Computer Interface Display Control Sensors Direct Observation D e c i s i o n- A i d i n g / A l e r t i n g S y s t e m A r c h i t e c t u r e S e n s o r s D i s p l a y s H u m a n A c t u a t o r S e n s o r s A u t o m a t i o n A c t u a t o r E n v i r o n m e n t P r o c e s s I n f o r m a t i o n T r a n s d u c t i o n D e c i s i o n M a k i n g C o n t r o l / A c t u a t i o n I n t e r f a c e C o u r t e s y : J i m K u c h a r System Supervisory Control Computer Interface Display Control Sensors Direct Observation F u n d a m e n t a l T r a d e o f f i n A l e r t i n g D e c i s i o n s y W h e n t o a l e r t ? T o o e a r l y # U n n e c e s s a r y A l e r t O p e r a t o r w o u l d h a v e a v o i d e d h a z a r d w i t h o u t a l e r t L e a d s t o d i s t r u s t o f s y s t e m , d e l a y e d r e s p o n s e T o o l a t e M i s s e d D e t e c t i o n I n c i d e n t o c c u r s e v e n w i t h t h e a l e r t i n g s y s t e m y M u s t b a l a n c e U n n e c e s s a r y A l e r t s a n d M i s s e d D e t e c t i o n s H a z a r d Uncertain Future Trajectory U n c e r t a i n c u r r e n t s t a t e x 1 x 2 C o u r t e s y : J i m K u c h a r System Supervisory Control Computer Interface Display Control Sensors Direct Observation T h e A l e r t i n g D e c i s i o n y E x a m i n e c o n s e q u e n c e s o f a l e r t i n g / n o t a l e r t i n g A l e r t i s n o t i s s u e d : N o m i n a l T r a j e c t o r y ( N ) A l e r t i s i s s u e d : A v o i d a n c e T r a j e c t o r y ( A ) H a z a r d A C u r r e n t S t a t e H a z a r d N C o m p u t e p r o b a b i l i t y o f I n c i d e n t a l o n g e a c h t r a j e c t o r y C o u r t e s y : J i m K u c h a r System Supervisory Control Computer Interface Display Control Sensors Direct Observation T h r e s h o l d P l a c e m e n t . . 1 . 2 . 3 . 4 . 5 . 6 . 7 . 8 . 9 1 . . . 1 . 2 . 3 . 4 . 5 . 6 . 7 . 8 . 9 1 . P r o b a b i l i t y o f F a l s e A l a r m P ( F A ) Probability of Successful Alert P(SA) E x a m p l e A l e r t i n g T h r e s h o l d L o c a t i o n s I d e a l A l e r t i n g S y s t e m 1 2 C o u r t e s y : J i m K u c h a r System Supervisory Control Computer Interface Display Control Sensors Direct Observation C o u r t e s y : J i m K u c h a r System Supervisory Control Computer Interface Display Control Sensors Direct Observation E n g i n e F i r e A l e r t i n g 2 7 . 7 + 1 c L B S X 1 T O T A...
View Full Document

Page1 / 58

040804alertsys_1 - System Supervisory Control Computer...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online