Current limiting operation may be diagnosed and indicated when {HEAD ~ the sensor response} indicates an insensitivity to {TAIL ~ the perturbation} 
Current limiting operation may be diagnosed and indicated when { HEAD ~ the sensor response } indicates an insensitivity to { TAIL ~ the perturbation }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL