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Thread Subject:
using simscape sensors in series

Subject: using simscape sensors in series

From: Dennis

Date: 14 Mar, 2010 17:11:05

Message: 1 of 2

I'm having the following problem:
In my simscape model I've got a translational fricition block, after this block I want to measure the force and the displacement. To do this I placed a ideal force sensor and an ideal translational motion sensor, from the mechaincal simscape library, in series, however when I do this I don't get an output on the second sensor. I also tried putting them in parallel, but the same problem occurs. Does anyone know how I can send the same signal through two sensors?

Subject: using simscape sensors in series

From: Arnaud Miege

Date: 6 Apr, 2010 14:39:05

Message: 2 of 2

"Dennis " <d.j.w.belleter@student.tue.nl> wrote in message <hnj5b8$o8o$1@fred.mathworks.com>...
> I'm having the following problem:
> In my simscape model I've got a translational fricition block, after this block I want to measure the force and the displacement. To do this I placed a ideal force sensor and an ideal translational motion sensor, from the mechaincal simscape library, in series, however when I do this I don't get an output on the second sensor. I also tried putting them in parallel, but the same problem occurs. Does anyone know how I can send the same signal through two sensors?

Force is a through variable and therefore must be applied/measured in series. Velocity is an across variable and therefore must be applied/measured in parallel. Have a good read of the documentation, especially the "Basic principles of modeling physical networks" section, and the sub-section on variable types:
http://www.mathworks.com/access/helpdesk/help/toolbox/physmod/simscape/ug/bq89sba-1.html#bq89sba-3

HTH,

Arnaud

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