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Question: 220 the soft landing phase of a lunar module descending...

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2.20 The soft landing phase of a lunar module descending on the moon can shown in Fig. 2.26. The thrust generated is assumed to be be modeled as proportional to m, where m is FIGURE 2.26 Thrustk Lunar surface the mass of the module. Then the system can be described by my -km-mg, where s

is the gravity constant on the lunar surface. Define state variables of the system as y X2 =у, x3 = m, and u m. Find a state-space equation to describe the system.

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