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A general constraint-based control framework with examples in modular self-reconfigurable robots

 

In this paper, we advocate a general constraint-based control framework that is highly promising for building control systems with complex dynamic structures, such as modular self-reconfigurable robots. In this framework, a controller consists of constraint solving components distributed in a network of embedded processors. Constraint solvers are goal oriented deliberative agents that can be used as control regulators or as information retrievers. The framework is built on the Attribute/Service Model (ASM), a middleware for coordinating actuators, sensors and tasks in distributed real-time embedded systems. The communications and coordination among the services are realized via shared attributes. Examples of controlling a modular self-reconfigurable robot are illustrated in the paper.

 
citation

Zhang, Y. ; Fromherz, M. P. J. ; Crawford, L. S. ; Shang, Y. A general constraint-based control framework with examples in modular self-reconfigurable robots. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2002); 2002 October 2-4; Lausanne; Switzerland. Piscataway NJ: IEEE; 2002; 2163-2168.