Abstract
The dielectric elastomer (DE) has promising application prospects in many fields such as biomedicine, human-machine interface, soft robots, and energy harvesting. In present study, the conical energy harvesting structure is investigated and the DE is viewed as the hyperelastic neo-Hookean model. Considering the rotation and the tension of the DE membrane, the dynamic model of the conical DE thin membrane, i.e. mass-spring system is established based on the Euler-Lagrange method. The experiment is carried out to validate the output voltage of the conical thin membrane. The effects of excitation frequency, geometry size of the conical DE membrane, stiffness of the spring, pre-stretching on the resonance frequency, displacement amplitude and failed region are fully studied. The results demonstrate that the geometric size of the conical DE membrane greatly affects the resonance frequency and the amplitude. The principal resonance frequency of the quasi pointed conical DE structure is greater than the frustum conical DE structure, and the principal frequency of the quasi cylindrical conical DE structure is the lowest. The experiment result fits very well with the theoretical result for the output voltage. These findings can provide beneficial guidance for the design of the energy harvesting structures of high efficiency.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
