The DOG method characterizes observed actions by a structure of unidirectional connected nodes,each one node defining a region in the hyperspace of attributes measured from the observed moving objects and having assigned a probability to generate an abnormal behavior.

The obstacle avoidance of a single mobile robot is solved by using stream function,and a multiple mobile robots swarming control model with a virtual leader and bintree structure is presented,which is based on stream function and singular association(SA) rule.

Experimental study on bearing strength of stitched composite single joint;