how to change the integrator initial conditions?

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Trevor Hutchinson
评论： stozaki 2020-2-8
In simulink I am using the integrator block. I know that the initial condition defaults to t=0. How would I change that so my initial condition starts at t=9?

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回答（1 个）

stozaki
stozaki 2020-2-5
Hello,
ret = find_system(bdroot(gcs),'BlockType','Integrator')
for N = 1:length(ret)
set_param(ret{N},'InitialCondition','9')
end
Please try its script.
  2 个评论
Trevor Hutchinson
Trevor Hutchinson 2020-2-5
This isn't quite the issue I am having. I am trying to solve a 2nd order diff eq using two integrator blocks. The equation is piecewise meaning my initial conditions change with respect to time. For example my first equation has initial conditions at t=0, but then my second equation has initial conditions at t=9. This suggestion tells my code that at t=0 the solution is 9.

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