1. World Robotics Research, 2015, https://ifr.org/worldrobotics/.
2. SDA20D, Dual-Arm industrial Robot, https://www.motoman.com/industrial-robots/.
3. S. Nicosia and P. Tomei, “Robot control by using only joint position measurements,” IEEE Trans. Automat Cont., vol. 35, no. 9, pp. 1058–1061. 1990.
4. G. S. Choi and C. S. Kim, “Linear stable systems,” IEEE Trans. on Automatic Control, vol. 33, no. 3, pp. 1234–1245, Dec. 1993.
5. K. S. Fu, R. C Gonzalez, and C. S. G. Lee, ROBOTICS: Control, Sensing, Vision, and Intelligence, McGraw-Hill, 1987.