Question: DP1.7 The Hubble space telescope was repaired and mod ified in space on several occasions [44, 46, 49]. One challenging problem with controlling the Hubble

DP1.7 The Hubble space telescope was repaired and mod

ified in space on several occasions [44, 46, 49]. One challenging problem with controlling the Hubble is damping the jitter that vibrates the spacecraft each time it passes into or out of the Earth’s shadow. The worst vi

bration has a period of about 20 seconds, or a frequency of 0.05 hertz. Design a feedback system that will reduce the vibrations of the Hubble space telescope.

Workpiece FIGURE DP1.5 Robot welder. Weld tip

Workpiece FIGURE DP1.5 Robot welder. Weld tip

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