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Hello!
I would like to thank you and your team for the Pinocchio library. I used Pinocchio 2.99.0 from this conda package: package
I have a model with closed kinematic loop and want to calculate dynamics of it.
I checked in Meshcat viewer that inverseConstraintKinematic works well but Im not sure that vector of data.lambda_c is calculated correctly. I know exactly, that vector of data.lambda_c should be about 3-5 N by X axis, but I got an array with values that are close to zero.
I use this command for calculations:
pin.initConstraintDynamics(model, data, constraint_model) pin.rnea(model, data, q, vq, ddq) % to calculate data.tau ddq= pin.constraintDynamics(model, data, q, vq, data.tau, constraint_model, constraint_data, prox_settings) % update ddq
Could you please tell me if my calculations are correct? Is there anywhere I can read the documentation for the pin.constraint Dynamics ()method?
Thank you!
The text was updated successfully, but these errors were encountered:
Hello!
I would like to thank you and your team for the Pinocchio library. I used Pinocchio 2.99.0 from this conda package: package
I have a model with closed kinematic loop and want to calculate dynamics of it.
I checked in Meshcat viewer that inverseConstraintKinematic works well but Im not sure that vector of
data.lambda_c
is calculated correctly. I know exactly, that vector ofdata.lambda_c
should be about 3-5 N by X axis, but I got an array with values that are close to zero.I use this command for calculations:
pin.initConstraintDynamics(model, data, constraint_model)
pin.rnea(model, data, q, vq, ddq) % to calculate data.tau
ddq= pin.constraintDynamics(model, data, q, vq, data.tau, constraint_model, constraint_data, prox_settings) % update ddq
Could you please tell me if my calculations are correct? Is there anywhere I can read the documentation for the pin.constraint Dynamics ()method?
Thank you!
The text was updated successfully, but these errors were encountered: