P5.20 : Grejda optimization for radial, tilt, and face error motion of an air bearing spindle
https://www.euspen.eu/wp-content/uploads/2020/05/Presentation_ICE20346_0511043043.mp4
https://www.euspen.eu/wp-content/uploads/2020/05/Presentation_ICE20346_0511043043.mp4