Displaying variable stiffness by passive nonlinear spring using visuo-haptic interaction

Daichi Matsumoto, Keisuke Hasegawa, Yasutoshi Makino, Hiroyuki Shinoda. Displaying variable stiffness by passive nonlinear spring using visuo-haptic interaction. In 2017 IEEE World Haptics Conference, WHC 2017, Munich, Germany, June 6-9, 2017. pages 587-592, IEEE, 2017. [doi]