MEDIC: A legged millirobot utilizing novel obstacle traversal

This work presents the design, fabrication, capabilities, and obstacle traversal mechanics of MEDIC (Millirobot Enabled Diagnostic of Integrated Circuits), a small legged robot able to overcome a varied array of obstacles. MEDIC features a hull that keeps its body in contact with the ground at all times, and uses only four actuators to move forward, turn, mount obstacles, and move in reverse. The chassis is fabricated using a Smart Composite Microstructures (SCM) approach and the robot is actuated by coiled Shape Memory Alloy (SMA). MEDIC also features a camera which will be useful for navigation in the future.

[1]  David E. Simon,et al.  An Embedded Software Primer , 1999 .

[2]  Daniel E. Koditschek,et al.  RHex: A Simple and Highly Mobile Hexapod Robot , 2001, Int. J. Robotics Res..

[3]  Roger D. Quinn,et al.  Highly mobile and robust small quadruped robots , 2003, Proceedings 2003 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2003) (Cat. No.03CH37453).

[4]  Stefan Schaal,et al.  A Robust Quadruped Walking Gait for Traversing Rough Terrain , 2007, Proceedings 2007 IEEE International Conference on Robotics and Automation.

[5]  Ronald S. Fearing,et al.  RoACH: An autonomous 2.4g crawling hexapod robot , 2008, 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems.

[6]  Robert J. Wood,et al.  The First Takeoff of a Biologically Inspired At-Scale Robotic Insect , 2008, IEEE Transactions on Robotics.

[7]  Robert J. Wood,et al.  Microrobot Design Using Fiber Reinforced Composites , 2008 .

[8]  Kevin Blankespoor,et al.  BigDog, the Rough-Terrain Quadruped Robot , 2008 .

[9]  Ronald S. Fearing,et al.  Fast scale prototyping for folded millirobots , 2008, 2008 IEEE International Conference on Robotics and Automation.

[10]  Robert J. Wood,et al.  Design, fabrication and analysis of a body-caudal fin propulsion system for a microrobotic fish , 2008, 2008 IEEE International Conference on Robotics and Automation.

[11]  Mark R. Cutkosky,et al.  Biologically inspired climbing with a hexapedal robot , 2008, J. Field Robotics.

[12]  Metin Sitti,et al.  Waalbot: Agile climbing with synthetic fibrillar dry adhesives , 2009, 2009 IEEE International Conference on Robotics and Automation.

[13]  Kyu-Jin Cho,et al.  Omegabot : Biomimetic inchworm robot using SMA coil actuator and smart composite microstructures (SCM) , 2009, 2009 IEEE International Conference on Robotics and Biomimetics (ROBIO).

[14]  Daniel E. Koditschek,et al.  Rapid pole climbing with a quadrupedal robot , 2009, 2009 IEEE International Conference on Robotics and Automation.

[15]  Robert J. Wood,et al.  Micro artificial muscle fiber using NiTi spring for soft robotics , 2009, 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems.

[16]  Ronald S. Fearing,et al.  DASH: A resilient high-speed 15g hexapedal robot , 2009, 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems.