Tracing signals in script

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Christopher Lotysz 2018-5-22

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https://ww2.mathworks.cn/matlabcentral/answers/401972-tracing-signals-in-script

移动：Fangjun Jiang 2024-5-16

I am trying to "trace" signals through a model, from the outports back to the inports. My script will go into a subsystem in the model, however, when it gets to the inports in that subsystem, I do not know how to find the corresponding signal/source block from the level above. Can anyone provide some help on how to do this? To trace into the subsystem, I am using:

subhandle = find_system(handle, 'LookUnderMasks', 'all', 'FollowLinks', 'on', 'SearchDepth', 1, 'BlockType', 'Outport');

Perhaps there is something similar to use to get back up a level?

I am also having trouble finding a matching GoTo block when I get to a From block, so any help would be appreciated. Thanks

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回答（2 个）

Fangjun Jiang 2018-5-22

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https://ww2.mathworks.cn/matlabcentral/answers/401972-tracing-signals-in-script#answer_321447

编辑：Fangjun Jiang 2018-5-23

在 MATLAB Online 中打开

To find out the source block that is connected to the Inport block in F14

f14;
InportBlock='f14/Controller/alpha (rad)';
PortNumber=str2double(get_param(InportBlock,'Port'));
Parent=get_param(InportBlock,'Parent');
PortCon=get_param(Parent,'PortConnectivity');
SrcBlock=getfullname(PortCon(PortNumber).SrcBlock)