The control system takes into account the displacement of the platform from the support ends and adjusts {HEAD ~ the Z axis displacement} during {TAIL ~ Y axis traversal} 
during
The control system takes into account the displacement of the platform from the support ends and adjusts { HEAD ~ the Z axis displacement } during { TAIL ~ Y axis traversal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL