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Active joints for microrobot limbs
Elwenspoek, M. and Smith, L. and Hok, B. (1992) Active joints for microrobot limbs. Journal of Micromechanics and Microengineering, 2 (3). pp. 221-223. ISSN 0960-1317
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| Abstract: | The authors propose an electrostatic actuator for active joints. The active joint consists of two plates, one of which is a bilayer and bent by the bimorph effect. The plates are clamped to each other at one edge. A voltage between the plates leads to a very large field at the clamp where the plates are in intimate contact, thereby producing a force large enough to pull the bent bimorph cantilever beam to the other plate. The design uses an actuator in which large electrical forces acting over a short distance are used to produce large deflections. An appealing application of this actuation principle is seen in active joints for robot arms, e.g. by attaching members to the actuator and by combining two or more active joints and members to form micro robot arms, legs and grippers. |
| Item Type: | Article |
| Copyright: | © Institute of Physics 1992 |
| Faculty: | Electrical Engineering, Mathematics and Computer Science (EEMCS) |
| Research Group: | |
| Link to this item: | http://purl.utwente.nl/publications/56030 |
| Official URL: | http://dx.doi.org/10.1088/0960-1317/2/3/027 |
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