The following publications are possibly variants of this publication: 
- Stability and joint stiffness analysis of legged robot's periodic motion driven by McKibben pneumatic actuatorYasuhiro Sugimoto, Daisuke Nakanishi, Motoki Nakanishi, Koichi Osuka. ar, 31(8):441-452, 2017.  [doi] 
 - Static and dynamic properties of McKibben pneumatic actuator for self-stability of legged-robot motionYasuhiro Sugimoto, Keisuke Naniwa, Koichi Osuka, Yoshiyuki Sankai. ar, 27(6):469-480, 2013.  [doi] 
 - Measurement Experiments and Analysis for Modeling of McKibben Pneumatic ActuatorDaisuke Nakanishi, Yasuhiro Sugimoto, Hiroaki Honda, Koichi Osuka. jrm, 28(6):830-836, 2016.  [doi]