March, 2015
www.us-
tech.com
Page 27
DTS Data Acquisition Systems Help Improve Crash Performance
Seal Beach, CA — Aircraft impact testing and hard landing tests are an important part of research for understanding crash dynamics and improving oc- cupant safety at NASA Langley Research Center in Hampton, Virginia. For over 13 years, DTS (Diversified Technical
Systems, Inc.) small on-board data acquisition (DAS) systems have been an important component to many tests at Langley, since they are rugged enough to survive harsh impacts and still accu- rately deliver critical test data. Recently a 45-foot-long CH-46E Sea Knight
marine helicopter was dropped 30 feet at 30 miles an hour during the Transport Rotorcraft Airframe Crash Testbed (TRACT 2) full-scale crash test at NASA Langley’s Landing and Impact Research (LANDIR) facility. The helicopter had 13 instrument-
ed crash test manikins and two non-in- strumented manikins on board, along with DTS’ data acquisition systems to capture all the action. Cables hauled the helicopter fuselage into the air and then swung it to the ground, much like a pendulum. Just before impact, pyro- technic devices released the suspension cables from the helicopter to allow free flight of the 10,500-pound fuselage and its “passengers.” Nearly 40 cameras and 350 data
channels recorded every move. Even the helicopter’s unusual black and white speckled paint job was part of a special camera technique called full
Version San Diego, CA — Pacific X-ray Imag- ing has introduced a new and im- proved version of its PXi-Pro X-Ray Image Analysis Processing software. The Image Analysis software suite has been used widely by OEM inte- grators over the past 12 years, and now PXI has expanded its role to pro- vide the software directly to its cus- tomers both on new system builds and refurbishments and well as spe- cial turnkey upgrade packages for any x-ray inspection system.
Pacific X-ray: New Processor
Crash test dummy during aircraft crash test.
field photogrammetry designed to capture detailed movement. High-speed cameras filming 500 im- ages per second tracked each dot so researchers could see exactly how the fuselage buckled, cracked or collapsed under crash loads. Currently NASA uses DTS’ miniature on-
board DAS at four different facilities for a wide va- riety of dynamic tests including Orion space cap- sule re-entry splashdown testing, heavy payload and flight testing, aero brake testing, and low den- sity supersonic decelerator testing for the next
generation Mars landing. Contact: Diversified Technologies, Inc.,
1720 Apollo Court, Seal Beach, CA 90740 % 562-493-0158 Web:
www.dtsweb.com
Expanded x-ray imaging power with new software.
According to the company, this
offering allows PXI to be directly in- volved with emerging application needs as well as retrofitting older systems to meet today’s technology inspection requirements. The PXi- Pro Windows 7-based software pro- vides for complete acquisition, stor- age and several measurement fea- tures to assist users in the analysis of the x-ray images for electronic cir- cuit board assembly and general component structures. It can also be used widely for general non-destruc-
tive testing applications. Contact: Pacific X-ray Imaging (PXI), 12225 World Trade Drive,
Suite S, San Diego, CA 92128 % 858-385-1958 E-mail:
info@pacificxray.com Web:
www.pacificxray.com
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