1
Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy’s National Nuclear Security Administration under contract DE-AC04-94AL85000. Rapid, Near Rapid, Near - - Surface Geologic Site Characterization for HDBT Defeat Surface Geologic Site Characterization for HDBT Defeat Vision Perform R&D on the key technologies for a sensor system that would assure success of an EPW strike on an underground strategic target through • rapid site characterization • optimal aim point selection Key Features • Rapid aerial deployment of self-forming networks of sensors • High data transmission rates and reach-back • Rapid characterization of surface geology and penetrability • Prediction of loads on earth penetrator • Potential facility localization through passive monitoring • Potential passive monitoring for BDA • Potential beacon for improved weapon guidance Rapid Site Characterization Reach-back Rapid development of site models • Aim point selection for EP survival • Tailor weapon attack for target kill Rapid development of site models • Aim point selection for EP survival • Tailor weapon attack for target kill Missile/air-delivered source & sensor array • Map near-surface obstacles • Localize buried target features Missile/air-delivered source & sensor array • Map near-surface obstacles • Localize buried target features Integrate with other data • Imagery • Remote site characterization • HPC modeling Concept of Operations Sensor Dart/Relay Node Design Battery Technology Impact Detector Modified 3-AMP Sensor Dart/Relay Node Electronic Systems Block Diagram POLYMER PIEZO PINGERS High- Performance Floating-Point DSP L1/L2 Carrier Phase GPS Receiver Northing and Tilt 3-AXIS SEISMIC INITIAL WAKE-UP ACCELEROMETER PLATFORM SEPARATION SWITCH CLOSURE ARM 1 POWER ARM 2 POLYMER PIEZO PINGERS Low-Power System Controller & Fixed-Point DSP High- Performance Floating-Point DSP L1/L2 Carrier Phase GPS Receiver Northing and Tilt Network Radio 3 Channels of Phase-Accurate 24-bit Analog Conditioning and A/D Battery Pack Service Port Fire-Set Octal I/F Low-Power u- Controller-Based Keep-Alive & Alert Monitor SATCOM Radio 3-AXIS SEISMIC Low-Power Wake- Up Channel Analog INITIAL WAKE-UP ACCELEROMETER Serial I/F PLATFORM SEPARATION SWITCH CLOSURE 3 Channel Xducer Waveform Gen. 3-Ch Amplifier ARM 1 Aux Port POWER ARM 2 Explosive Source Seismic Transducer Northing and Tilt Carrier Phase GPS Goals • Ensure terrabrake operation and confirm design robustness • Shock test components in an actual penetration event • Confirm deceleration data reduction algorithms • Gather deceleration data from known sites Results • Conducted helicopter drops of 3 darts and 2 probes into Antelope tuff (S=2) and Antelope lake (S=8) at Tonopah Test Range • Terrabrakes on dart and probe performed as designed, even in very soft targets • Critical electronic components survived Dart and Probe Drop Tests Penetration Probe Design DTRA-RFD Batteries Patch Antennas Electronics Batteries Deforming Terrabrakes Antenna Extender Explosive Nose Joint Detail For further information on this project, contact David R. Gardner, PhD, [email protected] , (505) 845-7875 SAND 2004-4651P
