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Rapid,Energy-saving Bioinspired Soft Switching valve Embedded in Snapping Membrane Actuator

Journal of Bionic Engineering 2023年第1期20卷 225-236页

作者： Fangzhou Zhao Yingjie Wang Sijia Liu Miao Jin Luquan Ren Lei Ren Chunbao Liu School of Mechanical and Aerospace Engineering Jilin UniversityChangchun130022China Key Laboratory of Bionic Engineering Ministry of EducationJilin UniversityChangchun130022China School of Mechanical Aerospace and Civil EngineeringUniversity of ManchesterManchesterM139PLUK

In nature,organisms widely use the interaction of muscle contraction and biological pipelines to form an efficient fluid control ***,a pneumatically powered,Bioinspired Soft Switching valve(bss valve)with short response time and low-energy consumption is *** bss valve is composed of flexible walls,a flexible tube and symmetrically arranged Snapping Membrane actuator(SM actuator).It functions based on tube deformation throttling caused by instability of SM actuator *** realize rapid preparation of customized bss valve,the modular manufacturing method suitable for different materials and structures based on 3D printing and mold forming was *** the membrane flip rate as indicators,the displacement transient response characteristics of three structures actuators were studied,The results proved that spherical and spherical cap membrane SM actuator achieved rapid displacement response under the low critical pressure ***,with critical buckling pressure and capacity utilization efficiency as indicators,we analyzed the characteristics of SM actuators with different radius and wall thickness to obtain reasonable structural parameters configuration of SM *** influence of radius and thickness on SM actuator is revealed,and theoretical model formulas were *** different configurations are presented.(1)Customized bss valve structures can achieve sequential motion of flexible gripper.(2)bss valve embedded in soft *** performance tests confirmed it has significant advantages in energy consumption,specific pressure,specific flow,high-frequency cycle load life,and valve can be integrated into the soft pump fluid system as a throttling unit,and provides an idea for fluid drive control integration.

关键词： Bioinspired.Soft robot bss valve SM actuator

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