supported by the National Natural Science Foundation of China(Nos.11672334 and 11972375);the Natural Science Foundation of Shandong Province of China(No.ZR202011050038);the Key R&D Program in Shandong Province of China(No.2019GHZ001)。
The dielectric elastomer(DE)is an important intelligent soft material widely used in soft actuators,and the dynamic response of the DE is highly nonlinear due to the material properties.In the DE,electrostriction deno...