Microrobot Design Using Fiber Reinforced Composites

Mobile microrobots with characteristic dimensions on the order of 1 cm are difficult to design using either microelectromechanical systems technology or precision machining. This is due to the challenges associated with constructing the high strength links and high-speed, low-loss joints with micron scale features required for such systems. Here, we present an entirely new framework for creating microrobots, which makes novel use of composite materials. This framework includes a new fabrication process termed smart composite microstructures (SCM) for integrating rigid links and large angle flexure joints through a laser micromachining and lamination process. We also present solutions to actuation and integrated wiring issues at this scale using SCM. Along with simple design rules that are customized for this process, our new complete microrobotic framework is a cheaper, quicker, and altogether superior method for creating microrobots that we hope will become the paradigm for robots at this scale.

[1]  C. Calladine.  Buckminster Fuller's “Tensegrity” structures and Clerk Maxwell's rules for the construction of stiff frames , 1978 .

[2]  William S. N. Trimmer,et al.  Microrobots and micromechanical systems , 1989 .

[3]  Kristofer S. J. Pister,et al.  Surface-micromachined components for articulated microrobots , 1996 .

[4]  Homer D. Eckhardt.  Kinematic Design of Machines and Mechanisms , 1998 .

[5]  Michael Goldfarb,et al.  A Well-Behaved Revolute Flexure Joint for Compliant Mechanism Design , 1999 .

[6]  Göran Stemme,et al.  A WALKING SILICON MICRO-ROBOT , 1999 .

[7]  Ronald S. Fearing,et al.  Wing transmission for a micromechanical flying insect , 2000, Proceedings 2000 ICRA. Millennium Conference. IEEE International Conference on Robotics and Automation. Symposia Proceedings (Cat. No.00CH37065).

[8]  Mark R. Cutkosky,et al.  Biomimetic Robotic Mechanisms via Shape Deposition Manufacturing , 2000 .

[9]  Kristofer S. J. Pister,et al.  Design of low-power silicon articulated microrobots , 2001 .

[10]  Sridhar Kota,et al.  DESIGN OF LARGE-DISPLACEMENT COMPLIANT JOINTS , 2005 .

[11]  K. Pister,et al.  Solar powered 10 mg silicon robot , 2003, The Sixteenth Annual International Conference on Micro Electro Mechanical Systems, 2003. MEMS-03 Kyoto. IEEE.

[12]  Robert J. Wood,et al.  Microrobotics using composite materials: the micromechanical flying insect thorax , 2003, 2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422).

[13]  Ronald S. Fearing,et al.  Flexure Design Rules for Carbon Fiber Microrobotic Mechanisms , 2005, Proceedings of the 2005 IEEE International Conference on Robotics and Automation.

[14]  Larry L. Howell,et al.  Compliant Joint Design Principles for High Compressive Load Situations , 2005 .

[15]  R. Fearing,et al.  Optimal energy density piezoelectric bending actuators , 2005 .

[16]  E. Steltz,et al.  Design, fabrication and initial results of a 2g autonomous glider , 2005, 31st Annual Conference of IEEE Industrial Electronics Society, 2005. IECON 2005..

[17]  Robert J. Wood,et al.  Nonlinear Performance Limits for High Energy Density Piezoelectric Bending Actuators , 2005, Proceedings of the 2005 IEEE International Conference on Robotics and Automation.

[18]  M. Spong,et al.  Robot Modeling and Control , 2005 .

[19]  Robert J. Wood,et al.  Towards a 3g crawling robot through the integration of microrobot technologies , 2006, Proceedings 2006 IEEE International Conference on Robotics and Automation, 2006. ICRA 2006..