Search found 2 matches

by Elena Caruthers
Fri Jan 24, 2014 7:52 am
Forum: OpenSim
Topic: Constraining Muscle Excitations in Static Optimization
Replies: 0
Views: 394

Constraining Muscle Excitations in Static Optimization

Hello! I am trying to figure out if the Static Optimization tool has the same capability as CMC in constraining limits on the model's actuators, specifically setting muscle excitation limits (i.e. from .02 to 1). In the release notes of OpenSim 2.2.1, it says that part of its new functionality was t...
by Elena Caruthers
Thu Aug 01, 2013 12:33 pm
Forum: OpenSim
Topic: 1.#QNAN Error during Static Optimization
Replies: 1
Views: 690

1.#QNAN Error during Static Optimization

Hello! I am currently running static optimization for a sit to stand trial. However, I am getting the 1.#QNAN error for a couple frames (one seen below). time = 0.346665 Performance =8.49846 Constraint violation = 2.85467e-013 time = 0.353332 Performance =8.54855 Constraint violation = 2.65058e-013 ...