A deformation sensing device, and related method, for measuring overall deformation of {HEAD ~ a structural member subject} to {TAIL ~ deformation} by an actuator 
to
A deformation sensing device , and related method , for measuring overall deformation of { HEAD ~ a structural member subject } to { TAIL ~ deformation } by an actuator
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 OTH OTH OTH