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May 20, 2004

SUNRISE COARSE ELEVATION DRIVE CALCULATIONS

Notes:

theta 1 initial is 85 degrees, R4 initial is 75.739 inches

Rod Weight=2.605 lbs From SolidWorkds

Rod MOI_z=191.77 lb*in²

Telescope Weight=1498.73 lbs From Sunrise notebook pages 51 to 55

Telescope MOI=1108 Kg*m²

EQUATIONS FOR POSITION CALCULATIONS:

Guesses:

Angular velocity of telescope at travel will be

55 Degs in 30 seconds. (.032rad/sec)

EQUATIONS FOR VELOCITY CALCULATIONS:

Guesses:

EQUATIONS FOR ACCELERATION CALCULATIONS:

Guesses:

SYNOPSIS:

FORCE ANALYSIS OF COARSE DRIVE:

Need to make

values dimensionless for matrix solution

F_1x

F_1y

F_12x

F_12y

F_3x

F_3y