Title :
Multimodal operator decision models
Author :
Ahmed, Nisar ; Campbell, Mark
Author_Institution :
Sibley Sch. of Mech. & Aerosp. Eng., Cornell Univ., Ithaca, NY
Abstract :
This paper develops the multimodal softmax (MMS) model, a probability distribution for multimodal discrete random variables with continuous conditioning random variables. MMS is motivated by the problem of learning multimodal probabilities for categorical human decisions in Bayes Net models of semi-autonomous systems. The MMS model is then derived vis-a-vis softmax and softmax mixture distribution models. MMS training is discussed in the context of maximum likelihood estimation. Finally, decision classification results using experimental data from Cornell´s RoboFlag human-robotic interaction testbed are presented.
Keywords :
Bayes methods; decision theory; maximum likelihood estimation; mobile robots; probability; Bayes net model; Cornell RoboFlag human-robotic interaction; continuous conditioning random variable; maximum likelihood estimation; multimodal discrete random variable; multimodal operator decision model; probability distribution; semiautonomous system; softmax mixture distribution model; Bayesian methods; Estimation theory; Humans; Joining processes; Probability distribution; Random variables; Remotely operated vehicles; Robot kinematics; Target tracking; Unmanned aerial vehicles;
Conference_Titel :
American Control Conference, 2008
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4244-2078-0
Electronic_ISBN :
0743-1619
DOI :
10.1109/ACC.2008.4587205