Group Behaviors for Systems with Significant Dynamics

  • Authors:
  • David C. Brogan;Jessica K. Hodgins

  • Affiliations:
  • College of Computing, Georgia Institute of Technology, Atlanta, GA 30332-0280/ E-mail: dbrogan&commat/cc.gatech.edu, jkh&commat/cc.gatech.edu;College of Computing, Georgia Institute of Technology, Atlanta, GA 30332-0280/ E-mail: dbrogan&commat/cc.gatech.edu, jkh&commat/cc.gatech.edu

  • Venue:
  • Autonomous Robots
  • Year:
  • 1997

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Abstract

Birds, fish, and many other animals travel as a flock,school, or herd. Animals in these groups must remain in closeproximity while avoiding collisions with neighbors and withobstacles. We would like to reproduce this behavior for groups ofsimulated creatures traveling fast enough that dynamics plays asignificant role in determining their movement. In this paper, wedescribe an algorithm for controlling the movements of creatures thattravel as a group and evaluate the performance of the algorithm with three simulated systems: legged robots, humanlike bicycle riders, and point-mass systems. Both the legged robots and the bicyclists aredynamic simulations that must control balance, facing direction, andforward speed as well as position within the group. The simplerpoint-mass systems are included because they help us to understandthe effects of the dynamics on the performance of the algorithm.