Sensing Array for Detection of Gravity Induced Loss of Consciousness

Intelligent Optical Systems (IOS) proposes to combine its expertise in optical fiber sensors and intelligent signal processing to develop a new approach for detecting gravity induced loss of consciousness (GLOC). IOS will use its recently developed non-contact optical sensor technologies for the detection of changes in brain electrical activity induced by high-G events. These sensor systems will enable real-time acquisition of human encephalographic recordings and will generate an alarm at the onset of GLOC episodes. The sensor suite will be implemented on the basis of an array of unobtrusive optical fibers woven into the straps of the flight helmet. The absence of electric contact with the skin, and the elimination of the need for skin preparation, will enable the sensor array to be used continuously without limiting a pilot's physical activity or dexterity. The high bandwidth of the fiber-optic channel and the immunity to electromagnetic interference will allow the transmission of optical signals with no degradation in the signal-to-noise ratio. The optical detectors will be linked with the aircraft avionics so that appropriate responses, and recovery, can be implemented.