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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2015
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Article
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Tab 2
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Research Article
Approximate Design of Optimal Disturbance Rejection for Discrete-Time Systems with Multiple Delayed Inputs: Application to a Jacket-Type Offshore Structure
Table 2
Parameters of offshore platform.
Name of parameter
Variable
Value
Unit
Equivalent characteristic diameter of legs
m
First modal mass
kg
Natural frequency
2.20
rad/s
Structural damping ratio
4
Percent
Shape function of first mode
ā