Stack\} actuator is a solid\|state driving component of Active Tailing Edge Flap in smart rotor systems. It is a multi\|layer serial structure of basic units composed of electrostrictive and adhesive layers. In this p...Stack\} actuator is a solid\|state driving component of Active Tailing Edge Flap in smart rotor systems. It is a multi\|layer serial structure of basic units composed of electrostrictive and adhesive layers. In this paper, a dynamic model of the actuator is derived based on the constitutive equation of electrostrictive material and the equation of motion. Theoretical analysis is made on the factors involved in the design of the actuator, which reveals that the electrostrictive layer and the adhesive layer should be optimized to compromise between displacement and frequency requirements. In the final part of the paper, the experiment of an ATEF system is introduced. The results show that the model is reasonable. It also suggests that the bending stiffness of elastic mechanism is an important factor in design, which should be carefully studied to provide satisfactory dynamic response of the ATEF system.展开更多
基金Chinese Natural Science F oundation(5 96 35 14 0 and 5 9875 0 35)
文摘Stack\} actuator is a solid\|state driving component of Active Tailing Edge Flap in smart rotor systems. It is a multi\|layer serial structure of basic units composed of electrostrictive and adhesive layers. In this paper, a dynamic model of the actuator is derived based on the constitutive equation of electrostrictive material and the equation of motion. Theoretical analysis is made on the factors involved in the design of the actuator, which reveals that the electrostrictive layer and the adhesive layer should be optimized to compromise between displacement and frequency requirements. In the final part of the paper, the experiment of an ATEF system is introduced. The results show that the model is reasonable. It also suggests that the bending stiffness of elastic mechanism is an important factor in design, which should be carefully studied to provide satisfactory dynamic response of the ATEF system.
