References
A. Jain, R. Bansal, A. Kumar, and K. Singh, "A comparative study of visual and auditory reaction times on the basis of gender and physical activity levels of medical fi.rst year students," International Journal of Applied and Basic Medical Research, vol. 5, no. 2, p. 124, 2015.
X. Zhu, "Practical PID controller implementation and the theory behind," in 2009 Second International Conference on Intelligent Networks and Intelligent Systems, pp. 58--61, Nov 2009.
J. Marino and C. Nolting, "Chaotic spring pendulum system," Methods of Experimental Physics, May 2013.
J. Milton, J. L. Cabrera, T. Ohira, S. Tajima, Y. Tonosaki, C. W. Eurich, and S. A. Campbell, "The time-delayed inverted pendulum: Implications for human balance control," Chaos: An Interdisciplinary Journal of Nonlinear Science, vol. 19, no. 2, p. 026110, 2009.
C. B. Prakash and R. S. Naik, "Tuning of PID controller by Ziegler-Nichols algorithm for position control of DC motor," International Journal of Innovative Science, Engineering & Technology, vol. 1, no. 3, 2014.