Author : Mert Corbaci
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (19 download)
Book Synopsis Implementation of Soft Lithography for the Fabrication of Stacked Dielectric Elastomer Actuators for Soft Robotics by : Mert Corbaci
Download or read book Implementation of Soft Lithography for the Fabrication of Stacked Dielectric Elastomer Actuators for Soft Robotics written by Mert Corbaci and published by . This book was released on 2018 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Advancements in software engineering have enabled the robotics industry to transition from the use of giant industrial robots to more friendly humanoid robots. Soft robotics is one of the key elements needed to advance the transition process by providing a safer way for robots to interact with the environment. Electroactive polymers (EAPs) are one of the best candidate materials for the next generation of soft robotic actuators and artificial muscles. Lightweight dielectric elastomer actuators (DEAs) provide optimal properties such as high elasticity, rapid response rates, mechanical robustness and compliance. However, for DEAs to become widely used as artificial muscles or soft actuators, there are current limitations, such as high actuation voltage requirements, control of actuation direction, and scaling, that need to be addressed. This study presents a novel approach inspired by the natural skeletal muscles to overcome the drawbacks of conventional DEAs. Instead of fabricating a large DEA device, smaller sub-units can be fabricated and bundled together to form larger actuators, similar to the way myofibrils form myocytes in skeletal muscles. Soft lithography and other microfabrication techniques were utilized to allow fabrication of silicone based multilayer stacked DEA structures, composed of hundreds of micro-sized DEA units with mechanically compliant electrodes. Experiments show that free-standing multilayer DEA structures can be fabricated using existing microfabrication tools. Three fabrication approaches, using spin coating, film casting and injection molding were evaluated to improve the repeatability of the fabrication process. Multi-layer DEA fibers can be actuated in sub-kV range while maintaining actuation ratio above 5%."--Abstract.