M. S. Kang and  D. H. Kim and  J. S. Yoon and  B. S. Park and  J. K. Lee,  Straightness Error Compensation Servo-system for Single-axis Linear Motor Stage.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 133 - 137
    [viewed 02 June 2020]. Available from: https://publications.waset.org/pdf/3611.