trident the regolith and ice drill for exploration of new
TRANSCRIPT
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TRIDENT
The Regolith and Ice Drill for
Exploration of New Terrains
Presenter: Stephen Indyk Systems Engineer, Honeybee Robotics
LEAG 11 October 2017
G. Paulsen1, K. Zacny1, D. Kim1, Z. Mank1, A. Wang1, T. Thomas1, C. Hyman1, B. Mellerowicz1, B. Yaggi1, Z.
Fitzgerald1, A. Ridilla1, J. Atkinson1, J. Quinn2, J. Smith2, J. Kleinhenz3,
1Honeybee Robotics 2NASA Kennedy Space Center, FL, 3NASA Glenn Research Center, Cleveland, OH.
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The Resource Prospector (RP)
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Goal: • ISRU demo: Prospecting for volatiles,
extraction of O2 from lunar regolith
Instruments: 1. The Neutron Spectrometer Subsystem
(NSS) 1. Localizing elevated H2 concentration
2. The Drill Subsystem 1. Capture samples from up to 1 m
3. The Near InfraRed Volatiles Spectrometer
Subsystem (NIRVSS) 1. Characterize hydrocarbons, mineralogical
context for the site, nature of water ice
4. The Oxygen and Volatile Extraction Node
(OVEN) Subsystem 1. Evolve the volatiles in sample by heating
and transfer to LAVA
2. Demo hydrogen reduction process (H2
reacts with iron oxide to produce water)
5. The Lunar Advanced Volatiles Analysis
(LAVA) Subsystem 1. quantities and species of volatiles via
GC/MS
2. Water Droplet Demonstration (WDD)
Andrews et al., 2014
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Background to Lunar Drilling
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• 450 Watt, Rotary-Percussive (N2 Pressurized)
• Battery Powered
• Human Operated
• 3 m core and 2x 2.4 m heat flow probes
Apollo Lunar Surface Drill
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Unexpectedly dense soil
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Difficulty in extracting 3 m core
NASA
• Corkscrewing causes poor chips removal
• A15: Both astronauts working at the limit to pull up
the drill…severe shoulder sprain in Scott
• A17: Throughout the core drilling and extraction,
Gene's heart rate has been over 130 beats, with
excursions to 145
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Development of TRIDENT: Drill System for RP
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Drilling Approaches
SONIC ULTRA SONIC PERCUSSIVE ROTARY
TRL 5 (Rot Perc)
TRL 4 (Rot Perc) TRL 6 (Rot Perc)
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Sampling Trades C
om
ple
xit
y
Science Payoff
1. Embedded
Sensor Step 1: Drill
Step 2: Analyze
4. Bit Sampler Step 1: Drill
Step 2: Pull Out
Step 3: Transfer
Cuttings
Step 4: Analyze
5. Core Step 1: Drill
Step 2: Break-off core
Step 3: Capture Core
Step 4: Pull out
Step 5: Eject core
Step 6: Process core
Step 7: Analyze 2. Sniffer Step 1: Drill
Step 2: Acquire
Sample
Step 3: Analyze
3. Sampling
Auger Step 1: Drill
Step 2:
Transfer
Cuttings
Step 3: Analyze
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1st bite
Brush Brush
“Bite” Sampling Concept
• Drill to 1 meter in short (~ 10 cm) “bites”
• Preserve stratigraphy in “bites”
• More accurate strength measurement of subsurface
• Lower risk (“graceful failure”) – if stuck at 60 cm, 5 bites done
• Time for analysis while drill in ‘safe’ place (above the hole)
• Time for subsurface to cool down
• Lower torque and power since less cuttings conveyed to surface
2nd bite
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Ice Bearing
Material
1. Drill “Bites”
into ice-
bearing
material
2. Retract
auger with
captured
cuttings
3. Inspect cuttings with Infrared
Sensor and Camera. If ice
bearing material is detected,
proceed to next step. Otherwise
continue taking “Bites”
4. Rotate and retract
auger to deliver
ice-bearing material
still within sampling
system
Implementation of “Bite” Sampling
NIR Spectrometer
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LITA drill
https://www.youtube.com/watch?v=QE7aYUnAA9o
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Qualifying TRIDENT to TRL6
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TRIDENT (TRL6)
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Hammer
250 W
1800 bpm
2-4 J/blow
Rotary
250 W
120 rpm
10 Nm
Sliprings
for temp
sensor
Sample
delivery
using
brush
Deployment
Stage: 40
cm
Feed Stage:
110 cm
110 cm
Auger
with temp
sensor in a
bit
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TRIDENT (TRL6)
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Vibration tests Thermal Vacuum
Chamber tests
Remote Ops tests
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TRL5 Drill Lunar Chamber (NASA GRC)
Background: • Soil:
• NU-LHT-3M with 4-5 water wt%,
• Vibratory compacted to ~1.5 g/cc
• Temp: -140 C to – 90 C
• Chamber P: ~10^-6 torr
• Crucible T: -85 C to – 50 C (+10 C)
Goal: 1. Capture sample from 40 – 50 cm
2. Deliver to crucible
3. Seal
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Sample Bin Drill Assembly LN2 Shroud Top Lid
Setting up
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Seek-Drill-Dump-Close
Speed x4
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Seek-Drill-Dump-Close
Speed x4
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Seek-Drill-Dump-Close
Speed x16
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Seek-Drill-Dump-Close
Speed x1 (real time)
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Remote Operations Tests
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Vibration Tests (launch)
23 10/23/2017
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Acknowledgements
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• SBIR
• HEOMD AES
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Thank you!
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