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The work area of a team of small robots is limited by their inability to traverse a very common obstacle: stairs. Control Layer 3 Behavio $ecti1 -Finis$s Machf We present a complete integrated control architecture and communication strategy for a system of reconfigurable robots Control Layer2 2AlilaNC eprhi onh Cirn Algoithbme that can climb stairs. A modular robot design is presented which allows the robots to dynamically reconfigure to traverse Control Layer RbotHarwareemrs, NhariH certain obstacles. This work investigates the implementation of a _ _ _ _ _ _ system of autonomous robots which can cooperatively reconfigure themselves to collectively traverse obstacles such as stairs. We tL3 Sign-rd Comunication Scheme present a complete behavior and communication system which facilitates this autonomous reconfiguration. The behavior and imulcationLayer 2ATDMMediaAc Pocl communication systems are validated by implementing them on a mobile robot platform synthesized specifically for this Al cat otLayrP awynchnnou4tlnrrtMossePossMg Hardwarel research. Experimental trials showed that the implementation of __a the behavior control systems was successful. Several successful stair climbing trials were accomplished. Improvements to the Fig. 1. Overview of the Proposed Control and Communication Architecture mechanical design are proposed.

The paper contains three sections on project based learning. First, we provide a rationale and a high-level view of projects and their organization. Second, we present some examples from Ryerson University and show how the these project descriptors apply. Finally, we show a new system of electronic instrumentation that supports independent and project-based learning.

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