Smarter Driver: The tech behind crash tests
3:24

Smarter Driver: The tech behind crash tests

Auto Tech
[MUSIC]. [MUSIC]. Charging is now complete. Charging is now complete. Test will commence in four seconds. Test will commence in four seconds. Three, two, one, we're underway. Three, two, one, we're underway. The cameras used by the IIHS are, of course, specialized to capture motion. The cameras used by the IIHS are, of course, specialized to capture motion. Capturing motion means capturing many frames per second. Capturing motion means capturing many frames per second. [MUSIC]. [MUSIC]. Now where your video camera may capture 30 or 60 frames a second, these guys do hundreds to thousands of frames a second. Now where your video camera may capture 30 or 60 frames a second, these guys do hundreds to thousands of frames a second. [MUSIC]. [MUSIC]. [MUSIC] [MUSIC] Here are the onboard digital camera that we're going to be mounting on the door. Here are the onboard digital camera that we're going to be mounting on the door. Inside the car they use the IDT NX series. Inside the car they use the IDT NX series. Compact cameras, they also capture up to 730 frames a second. Compact cameras, they also capture up to 730 frames a second. Are four megapixel which is ample because it matters more how many frames they capture rather than how huge each one is. Are four megapixel which is ample because it matters more how many frames they capture rather than how huge each one is. It's ruggedized, so it can take the impact of the crash. It's ruggedized, so it can take the impact of the crash. This one will be looking at the driver dummy, to see how he interacts with the steering wheel, the air bags, and what's happening during the crash. This one will be looking at the driver dummy, to see how he interacts with the steering wheel, the air bags, and what's happening during the crash. I'm draining all of the fluids out of the vehicle. I'm draining all of the fluids out of the vehicle. That way we don't make a mess, right after the crash. That way we don't make a mess, right after the crash. Mounting a camera like this is key. Mounting a camera like this is key. The technicians install the base as a rigid part of the car's body. The technicians install the base as a rigid part of the car's body. I mean, they really install it. I mean, they really install it. And, of course, they could use a bunch of [INAUDIBLE] because this car is not going back on the market. And, of course, they could use a bunch of [INAUDIBLE] because this car is not going back on the market. Those IDT cameras can take up to 200 g's in a hit, and I'm always amazed how steady they are, even at the moment of impact. Those IDT cameras can take up to 200 g's in a hit, and I'm always amazed how steady they are, even at the moment of impact. [MUSIC] [MUSIC] The cameras outside the car are even more impressive. The cameras outside the car are even more impressive. Phantom Flex imagers, they're capable of nearly 2600 frames a second at 1080 resolution. Phantom Flex imagers, they're capable of nearly 2600 frames a second at 1080 resolution. Put another way, they have 32 gigabytes of internal memory, and can fill that in 5.1 seconds. Put another way, they have 32 gigabytes of internal memory, and can fill that in 5.1 seconds. Breech tests, we have a set of predetermined positions for all of our visual imagers. Breech tests, we have a set of predetermined positions for all of our visual imagers. It's 48.7. It's 48.7. I want to make sure we're getting the exact same shot that we got the last time we ran this test, so we can compare vehicle to vehicle if we need to, but also make sure that we're consistent. I want to make sure we're getting the exact same shot that we got the last time we ran this test, so we can compare vehicle to vehicle if we need to, but also make sure that we're consistent. For all the footage that we get. For all the footage that we get. Now all of this of course is massively lit by a robotic light grid that ensures even lighting and virtually no shadows because that might obscure any small detail of how the car's components deform. Now all of this of course is massively lit by a robotic light grid that ensures even lighting and virtually no shadows because that might obscure any small detail of how the car's components deform. After the actual impact high resolution stills are also captured using, rather surprisingly. After the actual impact high resolution stills are also captured using, rather surprisingly. The Hasselblad medium format film camera body harnessed to a phase one digital back. The Hasselblad medium format film camera body harnessed to a phase one digital back. After the tests we moved the car to the photo studio where there's a large overhead light box and a fully programmable light control board. After the tests we moved the car to the photo studio where there's a large overhead light box and a fully programmable light control board. As well as a seamless background and a turntable that sits on air castors. As well as a seamless background and a turntable that sits on air castors. That allows us to lift the car up and spin it to any position that we wish. That allows us to lift the car up and spin it to any position that we wish. [MUSIC]. [MUSIC]. Finally the center uses a Da Vinci resolve edit controller and color corrector to put the footage together and dial in the accuracy of its look. Finally the center uses a Da Vinci resolve edit controller and color corrector to put the footage together and dial in the accuracy of its look. It pays to double check what the IIHS learns from this interesting process. It pays to double check what the IIHS learns from this interesting process. [MUSIC]. [MUSIC]. Charging is now complete. Charging is now complete. Test will commence in four seconds. Test will commence in four seconds. Three, two, one, we're underway. Three, two, one, we're underway. The cameras used by the IIHS are, of course, specialized to capture motion. The cameras used by the IIHS are, of course, specialized to capture motion. Capturing motion means capturing many frames per second. Capturing motion means capturing many frames per second. [MUSIC]. [MUSIC]. Now where your video camera may capture 30 or 60 frames a second, these guys do hundreds to thousands of frames a second. Now where your video camera may capture 30 or 60 frames a second, these guys do hundreds to thousands of frames a second. [MUSIC]. [MUSIC]. [MUSIC] [MUSIC] Here are the onboard digital camera that we're going to be mounting on the door. Here are the onboard digital camera that we're going to be mounting on the door. Inside the car they use the IDT NX series. Inside the car they use the IDT NX series. Compact cameras, they also capture up to 730 frames a second. Compact cameras, they also capture up to 730 frames a second. Are four megapixel which is ample because it matters more how many frames they capture rather than how huge each one is. Are four megapixel which is ample because it matters more how many frames they capture rather than how huge each one is. It's ruggedized, so it can take the impact of the crash. It's ruggedized, so it can take the impact of the crash. This one will be looking at the driver dummy, to see how he interacts with the steering wheel, the air bags, and what's happening during the crash. This one will be looking at the driver dummy, to see how he interacts with the steering wheel, the air bags, and what's happening during the crash. I'm draining all of the fluids out of the vehicle. I'm draining all of the fluids out of the vehicle. That way we don't make a mess, right after the crash. That way we don't make a mess, right after the crash. Mounting a camera like this is key. Mounting a camera like this is key. The technicians install the base as a rigid part of the car's body. The technicians install the base as a rigid part of the car's body. I mean, they really install it. I mean, they really install it. And, of course, they could use a bunch of [INAUDIBLE] because this car is not going back on the market. And, of course, they could use a bunch of [INAUDIBLE] because this car is not going back on the market. Those IDT cameras can take up to 200 g's in a hit, and I'm always amazed how steady they are, even at the moment of impact. Those IDT cameras can take up to 200 g's in a hit, and I'm always amazed how steady they are, even at the moment of impact. [MUSIC] [MUSIC] The cameras outside the car are even more impressive. The cameras outside the car are even more impressive. Phantom Flex imagers, they're capable of nearly 2600 frames a second at 1080 resolution. Phantom Flex imagers, they're capable of nearly 2600 frames a second at 1080 resolution. Put another way, they have 32 gigabytes of internal memory, and can fill that in 5.1 seconds. Put another way, they have 32 gigabytes of internal memory, and can fill that in 5.1 seconds. Breech tests, we have a set of predetermined positions for all of our visual imagers. Breech tests, we have a set of predetermined positions for all of our visual imagers. It's 48.7. It's 48.7. I want to make sure we're getting the exact same shot that we got the last time we ran this test, so we can compare vehicle to vehicle if we need to, but also make sure that we're consistent. I want to make sure we're getting the exact same shot that we got the last time we ran this test, so we can compare vehicle to vehicle if we need to, but also make sure that we're consistent. For all the footage that we get. For all the footage that we get. Now all of this of course is massively lit by a robotic light grid that ensures even lighting and virtually no shadows because that might obscure any small detail of how the car's components deform. Now all of this of course is massively lit by a robotic light grid that ensures even lighting and virtually no shadows because that might obscure any small detail of how the car's components deform. After the actual impact high resolution stills are also captured using, rather surprisingly. After the actual impact high resolution stills are also captured using, rather surprisingly. The Hasselblad medium format film camera body harnessed to a phase one digital back. The Hasselblad medium format film camera body harnessed to a phase one digital back. After the tests we moved the car to the photo studio where there's a large overhead light box and a fully programmable light control board. After the tests we moved the car to the photo studio where there's a large overhead light box and a fully programmable light control board. As well as a seamless background and a turntable that sits on air castors. As well as a seamless background and a turntable that sits on air castors. That allows us to lift the car up and spin it to any position that we wish. That allows us to lift the car up and spin it to any position that we wish. [MUSIC]. [MUSIC]. Finally the center uses a Da Vinci resolve edit controller and color corrector to put the footage together and dial in the accuracy of its look. Finally the center uses a Da Vinci resolve edit controller and color corrector to put the footage together and dial in the accuracy of its look. It pays to double check what the IIHS learns from this interesting process. It pays to double check what the IIHS learns from this interesting process.

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