WEBVTT FILE 1 00:00:04.300 --> 00:00:05.300 My name is Brian Roberts. 2 00:00:06.000 --> 00:00:09.080 I'm the Head Robotic Technologist here at the Goddard Space Flight Center. 3 00:00:09.080 --> 00:00:10.911 Today, we're going to take a tour of the ROC 4 00:00:10.911 --> 00:00:12.200 or the Robotic Operations Center. 4 00:00:12.760 --> 00:00:16.274 As you enter the ROC, you see a room that's a little bit smaller than a 5 00:00:16.274 --> 00:00:17.373 gymnasium at a school. 6 00:00:17.373 --> 00:00:19.086 You'll notice that the walls are 7 00:00:19.086 --> 00:00:22.170 all black and that's to simulate the darkness of space so we 8 00:00:22.170 --> 00:00:25.880 can shut the lights out in the room and the robots will be 9 00:00:25.880 --> 00:00:27.880 in an environment that will be as dark as it is in space. 10 00:00:28.820 --> 00:00:33.431 So just like sports teams practice before they play a game, we practice with 11 00:00:33.431 --> 00:00:34.420 robots as well. 12 00:00:34.960 --> 00:00:38.615 The first robot you'll hear is our engineering unit of the eventual robot that 13 00:00:38.615 --> 00:00:39.660 will fly in space. 14 00:00:40.300 --> 00:00:43.919 The reason we build that is so we can work out all the details of how to put the 15 00:00:43.919 --> 00:00:44.300 robot together, 16 00:00:45.120 --> 00:00:47.120 make sure it works before we build the more expensive 17 00:00:47.900 --> 00:00:48.700 flight unit. 18 00:00:49.160 --> 00:00:52.360 So the sound you hear sounds like hail hitting a tin roof. 19 00:00:57.480 --> 00:01:00.380 What you'll hear is the brakes on the robot coming on and off. 20 00:01:01.440 --> 00:01:06.094 moving back and forth and you kind of hear a tinging sound as the seven pieces 21 00:01:06.094 --> 00:01:07.840 of metal are hitting each other. 22 00:01:12.400 --> 00:01:14.600 This robot is a hexapod which is a motion platform 23 00:01:15.880 --> 00:01:17.680 on which we mount a satellite mock-up 24 00:01:17.820 --> 00:01:19.620 and the robot then moves that mock-up, 25 00:01:19.960 --> 00:01:22.260 simulating its motion as it would be moving through space. 26 00:01:25.660 --> 00:01:26.760 What you'll hear are 27 00:01:27.260 --> 00:01:31.420 the motors moving back and forth and it kind of sounds like a car engine revving 28 00:01:31.420 --> 00:01:32.460 up and revving down 29 00:01:34.240 --> 00:01:35.340 as you push the gas pedal 30 00:01:36.140 --> 00:01:38.840 and get more acceleration, less acceleration. 31 00:01:38.840 --> 00:01:40.280 You'll hear those motors 32 00:01:40.280 --> 00:01:44.246 moving the six legs of the robot up and down back and forth in front of the 33 00:01:44.246 --> 00:01:44.480 robot. 34 00:01:50.100 --> 00:01:55.793 The last robot you'll hear is an industrial robot that's used by car companies 35 00:01:55.793 --> 00:01:56.200 and 36 00:01:56.740 --> 00:02:01.140 other factories to assemble furniture, assemble cars or paint cars. 37 00:02:03.740 --> 00:02:07.840 So this robot is about the size of a human, maybe six feet or so, 38 00:02:07.840 --> 00:02:11.320 and it's got seven degrees of freedom, so seven individual 39 00:02:11.320 --> 00:02:12.420 actuators that move. 40 00:02:14.820 --> 00:02:19.435 What you'll hear is it moving through our facility and much like the previous 41 00:02:19.435 --> 00:02:20.095 robot, 42 00:02:20.095 --> 00:02:21.491 you'll hear the motors kind of revving up and 43 00:02:21.491 --> 00:02:22.220 revving down. 44 00:02:25.940 --> 00:02:28.697 Thank you for spending some time today touring our Robotic Operations Facility 45 00:02:28.697 --> 00:02:30.765 and listening to some of the robots that we 46 00:02:30.805 --> 00:02:32.440 use to simulate robots working in space.