cnotes11

C tcas own aircraft model status on

Info iconThis preview shows page 1. Sign up to view the full content.

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

Unformatted text preview:  ’ } w | „ Œ  Ž ™  r š ƒ   } „ } € Œ ~  } š š ‹ }  „  „ } ~ „ Œ  u ~ „ } ™ Ž Œ z ¥ ‹ } Ž  s { } Ÿ • ~ Œ ž š ƒ   } „ } € Œ ~  } š š ‹ ’ } ~  ¡ { }  Ž ™  r š ƒ | „ Œ „ Œ  ’ s }  „  ‘ ƒ „ „ t ‘ ~ Œ   z { } ~ ’ ƒ Ž } Ÿ š ƒ ‘ ~ Œ   z }  „ } { Œ š „ ƒ – ’ ƒ ~  ’ } Ž ‰ ~ • | Œ  ’ } € ‰ ‹ ‰ u ~ } | { z y œ ~ € ƒ “   Œ  „ Œ € ƒ ’ w ™ ƒ ’ š ~ } | { z y ~ z – ƒ ~ } ’ z   } ’ w w u t s r c ˆ ‡ † … „ ƒ  } € }  Modeling Behavioral Dynamics A (Partial) System Dynamics Model of the Columbia Accident ¹  À · Í »  À ¾ ¹ ° Ë Budget cuts Budget cuts directed toward safety System safety efforts ³ Safety Rate of safety increase ´ Priority of safety programs Complacency » External Pressure Performance Pressure Expectations º Á ² ² Ê ° µ Rate of increase in complacency Perceived safety µ ³ Risk Launch Rate Success Rate Success Accident Rate Î é è › ç š æ ™ å ä ˜ ⠗ ã â á c º Ã Ç Â º Á Æ ° » Å ± Ä º º À º ¿ ¿ ¾ ½ ¼ ¾ ² » º µ » ² ¹ ° ³ ¹ ± · ° ¯ ¶ Ä ° ± ° Á È ¯ » · ¼ 1. Identify System hazards System safety constraints and requirements Control structure in place to enforce constraints 2. Model dynamic aspects of accident: Changes to static safety control structure over time Dynamic processes in effect that led to changes 3. Create the overall e...
View Full Document

Ask a homework question - tutors are online