Variable stiffness and fast-response soft structures based on electrorheological fluids
Huilan Jing, Letian Hua, Fei Long, Bojin Lv, Bing Wang, Hewen Zhang, Xunye Fan, Hongru Zheng, Chengyi Chu, Gaojie Xu, Jianjun Guo, Aihua Sun, Yuchuan Cheng
Abstract
A soft structure with continuously variable stiffness and fast response was designed. Varying the electric field strength (0 to 4.5 kV mm −1 ), the rate of stiffness variation is over 1500%. The response time to load change is within 65 ms.
Topics & Concepts
Materials scienceStiffnessVariable (mathematics)Electrorheological fluidElectric fieldComposite materialStructural engineeringPhysicsEngineeringMathematicsMathematical analysisQuantum mechanicsVibration Control and Rheological FluidsSoft Robotics and ApplicationsElevator Systems and Control