How to change position of Coordinate Gravity when run the model

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tran
tran 2018-1-22
编辑： tran 2018-1-25
Hi all,
The position of Coordinate Gravity (image below) is a constant.
My project need this variable change value when run the model. Ex: with sample time = 0.1 t = 0, CG = [0 0 0] t = 0.1, CG = [1 0 -3] t = 0.2, CG = [2 2 -6] ...
Thanks

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Birdman
Birdman 2018-1-22
Hi dinh,
Simscape parameters can not be changed while the model is running. The following link explains the differences between Simulink and Simscape tunable parameters. Check it:
https://www.mathworks.com/help/physmod/simscape/ug/how-simscape-run-time-parameters-differs-from-simulink.html
Especially, notice the following:
You can change the value of a Simulink tunable parameter while a simulation is running. Simscape run-time parameters are run-time configurable. You cannot change the value of a run-time configurable parameter during simulation. You can only change the value of a run-time configurable parameter when a simulation is stopped.
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tran
tran 2018-1-25
编辑：tran 2018-1-25
Thanks for help, I try using:
(1) Stop Simulation Block to change coordinate of gravity. But the simulation not continue. It run again at t = 0. (2) Press pause button in simulation window. But it also can not permit to change value.
I need change coordinate gravity because the model rotate with rotation_center is coordinate of gravity. Final, I solving the problem by rotation matrix. Again, Thanks so much :D

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