Structure of Variables in Simevents

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Lars Barnewold 2016-12-9

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https://ww2.mathworks.cn/matlabcentral/answers/316166-structure-of-variables-in-simevents

编辑： Christoph Funda 2020-12-10

With the realese of Matlab R2016b it is possible to access predefined variables in the workspace in Simulink or Simevents. This works pretty good for variables with a double structure or class. So I define a=1 in the workspace and my simulationblock in Simevents can use the variable a.

My question is: Can I access variables which are stored in datasets, cell arrays or tables directly as well?

I tried to access the variable by naming the dataset name (Mainvar.a). Unfortunately this does not work.

Thanks!

Lars

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Answer 1

Mo Zhao 2016-12-12

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Unfortunately, datasets, cell arrays and tables in workspace are not currently supported in SimEvents Event Actions. It is worth noting that this is also a limitation of MATLAB function block and MATLAB coder (while cell array as input/output is allowed for MATLAB coder). Thus, you might want to convert your data into the supported types, such as scalar, matrix, structure, etc.

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Lars Barnewold 2016-12-13

Thanks Mo Zhao!

A normal structure works well and is enough for my purposes

Christoph Funda 2020-12-10

编辑：Christoph Funda 2020-12-10

I actually have a problem even with a structure. I created a struct with 19 fields and I get an error, if i try to include it in simevents entity and server block. ROS(1).L2_3

if i type isstruct(ROS) or isstruct(ROS1) i get true, and but isvector(ROS(1).L2_3) is also true but i get the follwoing issue:

Data type of parameter 'ROS' is not supported in event actions. For more information about supported data types, see Supported data types in the documentation.

Yesterday it worked, and i can not remember, that i changed anything...

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