Creating functions that imitate the motions or the mechanisms of organisms.

In devising microscopic mechanisms suitable for the micromachines, the mechanisms and structures of organisms that have survived severe natural selection may serve as good examples to imitate. One example is the microscopic three-dimensional structures that were modeled after the exoskeletons and elastic coupling systems of insects. In exoskeletons, hard epidermis is coupled with an elastic body, and all movable parts use the deformation of the elastic body to move. The use of elastic deformation would be advantageous in the microscopic world to avoid the friction. Also, the exoskeleton structure equates to a closed link mechanism in kinematics and has the characteristic that some actuator movement can be transmitted to multiple links.


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