Stabilized Columns Essay

1887 Words 8 Pages
In the past chapter, the overall problem was outlined. A structural member is needed to react the load within the system and transfer it from shoulder to waist. All past concepts proposed had no direct route towards flexibility nor actuation, these are key factors in determining the initial concept. In this chapter, solutions for the compression column are investigated, and an initial concept is proposed. This initial concept is broken down into its constitutive parts, and a plan for validation and design methodology is proposed.
Literature Review on Stabilized Columns
Designing a column meant to sustain relatively large compressive loads, while remaining thin enough to become flexile when needed leads to a potentially unstable design.
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This beam, through lateral constraints, would be able to maintain its flexibility and carry large loads. This solution serves as the guide for the initial concept with some practical changes.
Euler Buckling of Columns
The constrained buckling column induces higher modes to carry larger loads. Based on the Euler buckling equation (Figure 2.1), mode has a n2 effect on the buckling load, so inducing higher modes increases load capacity exponentially. This could be useful in this design because the weight bearing member can remain flexible and still potentially meet target
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Initial Concept and Testing Plan
The initial concept is inspired by the bi-laterally constrained column; it is the continuous floating constraint buckling column (Figure 2.6). This design was chosen because the load bearing member remains thin and flexible while potentially maintaining large axial loads, this system has promise to become flexible, it has low profile and is lightweight, and does not exhibit large amounts of friction. While very similar to the bi-laterally constrained column, there are some practical differences. When implemented into a garment there is no way to hold the column to one constraint wall or another, because of this the constraint is allowed float freely. This should not deeply affect the function of the solution. This does, however, complicate the problem slightly. Because the end conditions are different from chai, the analytical solutions do not apply to this problem. This system will need to be proven experimentally over a variety of system configurations to show it is a viable

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