A satellite is a highly unstable system that has rotational motion. Figure 4 shows a nutation...

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A satellite is a highly unstable system that has rotational motion. Figure 4 shows a nutation damper system implemented on a satellite where the aim of the nutation damper is to reduce the rotation motion of the satellite. By reducing the rotational motion, it is expected that the satellite will be pointing on a certain direction. For the transfer function of the nutation damper mass position, Zm to the net moment of the satellite as shown below, examine the stability by using Routh Hurwitz criterion. s + 6s +9 2s4 + 17s3 +44s2 + 45s + 20 X Zm(s) M(s) Zm www. como r P R O Figure 4: Nutation damper in a satellite system A satellite is a highly unstable system that has rotational motion. Figure 4 shows a nutation damper system implemented on a satellite where the aim of the nutation damper is to reduce the rotation motion of the satellite. By reducing the rotational motion, it is expected that the satellite will be pointing on a certain direction. For the transfer function of the nutation damper mass position, Zm to the net moment of the satellite as shown below, examine the stability by using Routh Hurwitz criterion. s + 6s +9 2s4 + 17s3 +44s2 + 45s + 20 X Zm(s) M(s) Zm www. como r P R O Figure 4: Nutation damper in a satellite system

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