Transform Sensor - Problem with Velocity

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Ebe
Ebe 2015-4-20
回答： Guy Rouleau 2015-4-22
Hello,
I want to measure the translation and the velocity between two frames. The frames coordinate systems have the same direction. I use Matlab 2014b. To measure this I added a Transform Sensor between these two frames. The translation of x,y,z has positive and negative values (in the scope). If I open the velocities of x,y,z all of them are 0. Do you have any idea why this could be? Doesn´t there has to be a value greater than 0 for each velocity? I thought so, because the velocity is the derivation of the position.

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回答（1 个）

Guy Rouleau
Guy Rouleau 2015-4-22
One possible explanation is that signals input to S->PS blocks are discrete and filtering is disabled in the S->PS block.
Try enabling second order filtering, or providing 2 derivatives to the S->PS block.

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