Devdutt,  Summing ANFIS PID Control of Passenger Seat Vibrations in Active Quarter Car Model.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2017, vol. 125(5). 1134 - 1140
    [viewed 17 October 2019]. Available from: https://publications.waset.org/pdf/10007459.