Kaige Shi and Chao Jiang and Xin Li, Pressure-Detecting Method for Estimating Levitation Gap Height of Swirl Gripper. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2019, vol. 153(9). 478 - 483 [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10010726.