{TAIL ~ The second sensor} 20 is referred to as the nearly collocated sensor, and is installed near {HEAD ~ the actuator} 14 but outside its realm of direct influence 
{ TAIL ~ The second sensor } 20 is referred to as the nearly collocated sensor , and is installed near { HEAD ~ the actuator } 14 but outside its realm of direct influence
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH