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First Order System Settling Time (2%)

First Order System Settling Time (2%) Equation


$$ T_s = \frac{4}{\tau} $$
where:

Ts   =   Settling time   (s)

τ   =   Time Constant  


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Equation Assumptions


  • The system is a linear time-invarient system.
  • The system is a first-order control system.
  • The input is a step input.
  • The material is pure/ideal.