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Unformatted text preview: Useful information KE = 1 2 mv G 2 + 1 2 I G ω 2 I G = mr 2 2 I G ≈ mr 2 WorkEnergy Analysis KE 1 +PE 1 + W nc 1 − 2 = KE 2 +PE 2 Compare velocities Gyroscopes ( H G ) 2 = M G Δ t + ( H G ) 1 M G dt t 1 t 2 ∫ = ( H G ) 2 − ( H G ) 1 ( H G ) 1 ( H G ) 2 M G Δ t X Y Z Before After 3 What happens for Ymoment? ( H G ) 2 = M G Δ t + ( H G ) 1 M G dt t 1 t 2 ∫ = ( H G ) 2 − ( H G ) 1 ( H G ) 1 ( H G ) 2 M G Δ t X Y Z Before After Inertial Guidance Systems Put our gyroscope inside a 3axis gimbal Impossible to apply a moment to the gyroscope...
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 Spring '06
 KAM
 one week, Inertial navigation system, Gyroscope, Eric Wang, Guidance system, Inertial Guidance Systems

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