17A-03 Sensor Validation

The Sensor Validation test is directed by the test leader Wolfgang Granig. It is designed to test the
functionality of all sensors possessed by the suit. Potential hazards within the tests are personal
health problems of the Analog Astronaut due to wrong measurements causing too high CO2 or too
low O2 levels in the suit or too high operator temperature. This test involves three subtests (A – C).

Subtest A: For this Subtest all available sensors have to be positioned as close together as possible to
allow a reference measurement. During this procedure the temperature must be controllable. All
sensor data is measured for 5 minutes settling time and 5 minutes sampling at temperatures of 25°
Celsius, 15° Celsius and 35° Celsius. At the end the results are analyzed and an individual temperature
dependent offset of each sensor is calculated. Subtest A has a duration of approx. 1h 50.

Subtest B: In this test application measurements of the HUT (hard upper torso) and the helmet are
performed. All sensor data is measured for 5 minutes settling time and 5 minutes sampling time at
temperatures of 25° Celsius, 15° Celsius and 35° Celsius in the closed helmet and with higher CO2
and lower O2 concentration. At the end the results are analyzed and an individual temperature
dependent offset of each sensor is calculated. Subtest B has a duration of approx. 1h 30.

Subtest C: In this test application measurements are performed with the whole suit (except the
exoskeleton). All sensor data is measured for 10 minutes settling time and 5 minutes measurement
time in different positions of the Analog Astronaut (helmet standard position, helmet top position,
helmet bottom position, thorax position, belly position, tights position, lower leg position). Subtest C
has a duration of approx. 3h 30.