Articles | Volume 15, issue 2
https://doi.org/10.5194/ms-15-407-2024
https://doi.org/10.5194/ms-15-407-2024
Research article
 | 
08 Jul 2024
Research article |  | 08 Jul 2024

Position control of a soft pneumatic actuator based on the pressure parameter feedback model (PPFM)

Yuwang Liu, Dongyang Zhang, Yi Yu, Peng Chen, Wenping Shi, and Dongqi Wang

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Cited articles

Adagolodjo, Y., Renda, F., and Duriez, C.: Coupling Numerical Deformable Models in Global and Reduced Coordinates for the Simulation of the Direct and the Inverse Kinematics of Soft Robots, IEEE Robot. Autom. Lett., 6, 3910–3917, https://doi.org/10.1109/LRA.2021.3061977, 2021. 
Alici, G., Canty, T., Mutlu, R., Hu, W., and Sencadas, V.: Modeling and Experimental Evaluation of Bending Behavior of Soft Pneumatic Actuators Made of Discrete Actuation Chambers, Soft Robot., 5, 24–35, https://doi.org/10.1089/soro.2016.0052, 2018. 
Bieze, T. M., Largilliere, F., Kruszewski, A., Zhang, Z., Merzouki, R., and Duriez, C.: Finite Element Method-Based Kinematics and Closed-Loop Control of Soft, Continuum Manipulators, Soft Robot., 5, 348–364, https://doi.org/10.1089/soro.2017.0079, 2018. 
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Cho, K.: Motion of Soft Robots with Physically Embodied Intelligence, in: 2019 14th ACM/IEEE International Conference on Human-Robot Interaction (HRI), Korea (South), 11–14 March 2019, Vol. 1, https://doi.org/10.1109/HRI.2019.8673158, 2019. 
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Short summary
This paper proposes a new positional control method for soft pneumatic actuators. The pressure parameter feedback model (PPFM) of the airbag is obtained by adjusting the pressure input through a proportional valve, collecting the air pressure inside the airbag and obtaining the airbag expansion height. The pressure input signal is changed according to the PPFM of the airbag to control the position of the soft pneumatic actuator.