1 00:00:00,099 --> 00:00:02,820 >>This represents twenty-two strain gauges. 2 00:00:02,820 --> 00:00:07,490 And each one of these connectors represents one measurement, or one single-point measurement 3 00:00:07,490 --> 00:00:10,190 along the length of this simulated wing. 4 00:00:10,190 --> 00:00:15,970 While the second technology that we're featuring on this simulated wing is based on fiber-optics. 5 00:00:15,970 --> 00:00:21,040 This is a single fiber-optic cable, so this particular connector right here, represents 6 00:00:21,040 --> 00:00:25,330 on this particular installation, three-hundred and twenty-one measurements. 7 00:00:25,330 --> 00:00:29,660 That's a measurement every quarter inch along the length of this panel and back towards 8 00:00:29,660 --> 00:00:30,660 the root. 9 00:00:30,660 --> 00:00:35,929 So the difference is, you can see, that twenty-two sensors, three-hundred and twenty-one sensors. 10 00:00:35,929 --> 00:00:40,120 And you can see the weight difference and the size difference and the bulkiness between 11 00:00:40,120 --> 00:00:42,440 the two technologies. 12 00:00:44,589 --> 00:00:49,339 And just to give you a little demonstration, we have data flowing on the computer here 13 00:00:49,339 --> 00:00:55,230 that's gonna show not just the strain information along the length of this panel, but as well 14 00:00:55,230 --> 00:01:00,800 as the shape-rendering of this panel based upon the strain content that we're getting 15 00:01:00,800 --> 00:01:03,489 from the fiber-optic sensors. 16 00:01:03,489 --> 00:01:09,140 Here we're just doing a simple bending that simulates aerodynamic loading in the downward 17 00:01:09,140 --> 00:01:12,439 direction, here's in the upward direction. 18 00:01:12,439 --> 00:01:18,670 I'm gonna simulate what we call twist, you can see that on the top left graph. 19 00:01:18,670 --> 00:01:21,950 This is twist in the opposite direction. 20 00:01:21,950 --> 00:01:25,649 And also we'll introduce a second mode here in the middle of the panel and you should be 21 00:01:25,649 --> 00:01:28,990 able to see that as well. 22 00:01:28,990 --> 00:01:31,100 So there you have it. 23 00:01:31,100 --> 00:01:37,660 Fiber-optic sensing installed on a simulated wing showing both strain and shape information. 24 00:01:37,670 --> 00:01:44,100 >>So the next step for the fiber-optic sensing system technology here is gonna be to design 25 00:01:44,109 --> 00:01:49,969 a ruggedized system that will be able to survive space application, so a rocket launch. 26 00:01:49,969 --> 00:01:54,880 We've done applications before with airplanes within Earth's atmosphere, but the next step 27 00:01:54,880 --> 00:01:57,729 is gonna be space application here. 28 00:01:57,729 --> 00:02:01,490 So what you see here is the actual avionics system, the actual electronics of the FOSS 29 00:02:01,490 --> 00:02:06,180 system, so the next step is gonna be putting it into the ruggedized enclosure that has 30 00:02:06,180 --> 00:02:11,260 been specifically designed and tested to survive a space application, a rocket launch. 31 00:02:11,260 --> 00:02:16,720 It's been ruggedized so the next step here is gonna be to install the actual avionics 32 00:02:16,720 --> 00:02:22,050 systems, the actual electronics of the FOSS system into the ruggedized enclosure here. 33 00:02:22,050 --> 00:02:25,280 After we've finished the full integration of these systems and we torque everything 34 00:02:25,280 --> 00:02:29,760 down to spec, then we'll ship them off to Langley, the NASA center which is gonna be