Mazidah Tajjudin and Mohd Hezri Fazalul Rahiman and Norhashim Mohd Arshad and Ramli Adnan, Robust Fractional-Order PI Controller with Ziegler-Nichols Rules. journal = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2013, vol. 79(7). 1034 - 1041 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/16532.