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2. Flexible fluidic actuators
2.1 Basic principles
Many actuators in microrobotics are based on the use of so-called active materials, often also referred to as smart materials . As we saw earlier, the actuator par excellence for precision applications is the piezoelectric material, characterized by very high actuation stresses but very low deformations. The paradigm has long been to associate precision robotics with very high stiffness, in order to improve dynamic properties. Recently, however, we have witnessed the emergence of what we will call flexible mechanics, which includes,...
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Flexible fluidic actuators
Shape memory alloy (SMA) actuation
Bibliography
Websites
Cedrat Technologies http://www.cedrat-technologies.com
Festo https://www.festo.com/catalogue/dmsp
Piezomotor Uppsala AB ...
Events
Micronora: Europe's leading microtechnology and precision trade show (every two years in even-numbered years). http://www.micronora.com/
Standards and norms
- AFNOR Shape memory alloys (AMF) – Vocabulary and measurements - NF A51-080 AFNOR - 1991
Patents
Takagi et al. Pneumatic Actuator for Manipulator, US patent 4,615,260 (1986)
Richard H. Gaylor, Fluid Actuated Motor System and Stroking Device, US patent 2,844,126 (1958).
Thanks
This work was partly funded by the PAI 7/38 MicroMAST network initiated by the Belgian Federal Science Policy (BELSPO), by the ARC Prediction project, and by the Erasmus Mundus EASED program.
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