A control system for controlling rotation of a servomotor to vertically move {HEAD ~ a load} supported by {TAIL ~ a flexible support device}, the control system comprising: 
supported by
A control system for controlling rotation of a servomotor to vertically move { HEAD ~ a load } supported by { TAIL ~ a flexible support device } , the control system comprising :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH