How to initialize a bus with a unit delay block?

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syl1446
syl1446 2019-10-17
I'm trying to initialize a bus from a unit delay block. I have created the following bus:
bus_def.PNG
and defined a structure in the base workspace with the following code:
clear state
state = struct;
state.JulianDate = 2458773.91667;
state.Position = [6547.177196; 1754.310842; 0] * 1e3;
state.Velocity = [-1.744249; 6.509626; 3.659120] * 1e3;
state.Orientation = [0; 0; 0; 1];
state.AngularVelocity = [0; 0; 0];
If I use this structure for the "Initial condition" parameter of the unit delay block in the following model
model.PNG
where State In and State Out are explicitly set to be "Data Type: Bus: State", I get the following error:
error.PNG
I've followed the instructions on this page: https://www.mathworks.com/help/simulink/ug/specifying-initial-conditions-for-bus-signals.html but apparently I didn't get it right. What am I missing ?

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