How to setting the simulation step in command window

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chengxuan yu
chengxuan yu 2017-5-7
回答： Zoe Xiao 2017-8-2
Thanks in advance, any comments will be appreicate。
① I want use Command window let the simulation stepforward for two step, then stepbackward for 3 step, how to achieve it.
② As you know, we can set the simulation command as below:
set_param('VOL_Main','SimulationCommand','start');
set_param('VOL_Main','SimulationCommand','pause');
set_param('VOL_Main','SimulationCommand','continue');
set_param('VOL_Main','SimulationCommand','update');
set_param('VOL_Main','SimulationCommand','stop');
Except for these five command, does anybody can tell me all the command we can use after SimulationCommand.
③ How can I enable stepping back through Command window
④ How can I use the parameter 'tt' as the pause time in the Simulation stepping back window before i define it in the command window. Thanks again!

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回答（1 个）

Zoe Xiao
Zoe Xiao 2017-8-2
1. To achieve step forward, you could follow the step on this page: https://www.mathworks.com/matlabcentral/answers/302546-is-there-a-command-line-way-to-step-forward-and-backward-in-my-simulink-model-in-the-same-way-that-t
2. You can use 'set_param' to programmatically control a model simulation. More information can be found in the documentation here: https://www.mathworks.com/help/simulink/ug/control-simulations-programmatically.html
3. For stepping back, I believe there is no commands to achieve so in time. And the stepper cannot handle undefined function or variable as the pause time.

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