Abstract
Deploying traditional method for establishing dynamics model of space station is inefficient when the structure of this space station will change. Therefore, a new approach was proposed to obtain general model that suits different structures and configurations. The new method is based on invariant absolute coordinates set and Newton-Euler method. Two simple constraints are firstly described and then used to construct new, more complex ones. While the coordinate set remains the same, main program configuration procedure is executed by including or excluding equations, thus making the model building process more simple. After this, specific equations of motion are being solved. Applying the technique to space stations of different configurations and structures gives good results, and those results are well-agreed with theoretical analysis.
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