The Gain Scheduled Lead-Lag block implements a first-order
lag of the form
where e is the filter input, and u the
The coefficients a and b are
inputs to the block, and hence can be made dependent on flight condition
or operating point. For example, they could be produced from the Lookup
Table (n-D) Simulink® block.
Initial state, x_initial
The initial internal state for the filter x_initial.
Given this initial state, the initial output is given by