KPS4 Does not take into account the initial reel speed

[dvanwolffelaar]

The set initial reel speed from the settings is not taken into account by the find_steady_state!() function of the KPS4. Adding this would allow for better tuning tests.

[dvanwolffelaar]

On this line should this not then be
res1, res2 = vcat(reduce(vcat, res1_), [s.l_tether, s.set.v_reel_out]), vcat(reduce(vcat, res2_),[0,0])

[ufechner7]

Why do you think this would be useful? For which kind of test cases would this be needed?

[dvanwolffelaar]

I want to compare the simulation with some real measurements. These might be approximately stable, but I have not yet found cases where the reel speed is 0. Allowing to initialise with a value will allow for better force comparisons.

[ufechner7]

Fixed by #106