Elasto-plastic plate bending analysis by a boundary element method with initial plastic moments

The analysis of elasto-plastic plate bending using a boundary integral equation formulation is described. The integral equations are solved using standard boundary element techniques. The plasticity, as well as the external lateral load, appears in a domain integral. The solution is obtained by an incremental loading procedure with the initial incremental plastic moments calculated by an iterative method. Several study cases are examined and good agreement is shown with published results obtained by the finite element method.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/26455/1/0000543.pd

Policy Transfer Methods in RoboCup Keep-Away

This study investigates multi-agent policy transfer coupled with behavior adaptation by objective and non-objective search variants of HyperNEAT in RoboCup keep-away. For comparison, evolved behaviors were compared to those adapted by RL methods: SARSA and Q-Learning, coupled with policy transfer. Keepaway was selected as it is an established multi-agent experimental platform. Similarly, the SARSA and Q-Learning methods were selected as both have been demonstrated for boosting behavior quality with policy transfer. Keep-away behaviors were gauged in terms of effectiveness and efficiency. Effectiveness was average task performance given policy transfer, where task performance was average ball control time by the keeper team. Efficiency was average number of evaluations taken to reach a minimum task performance threshold given policy transfer