Low Cost Cell Phone Surveying Solutions

By Stacey Lyle

Transcript

1. Low Cost Cell Phone Surveying Solutions Stacey Lyle, PhD, RPLS Associate Professor Texas A&M University Corpus Christi Texas School of Engineering and Computer Science Conrad Blucher Institute for Surveying And Science
2. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies N UAS Dd D D Conrad Blucher Institute for Surveying and Science Texas A&M University Corpus Christi The Island University •  RS 16 •  16’ wing spread •  13,000’ ceiling •  16 hour flight time •  25 pound load •  Photogrammetry Payload •  Direct GeoReferencing
3. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies 10/30/12 DRAFT 3
4. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies N Low Cost Drone Dd D D Conrad Blucher Institute for Surveying and Science Texas A&M University Corpus Christi The Island University Micro GPS Sensor L1 and L2 RTK IBM Silcon Germanium SiGe (Lyle and Wilson, 2000 Institute for Navigation GPS 2000)
5. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies N Low Cost Drone Dd D D Conrad Blucher Institute for Surveying and Science Texas A&M University Corpus Christi The Island University Digital Imagery Direct Georeference with RTK GPS CCD/CMOS Full Frame Video RTK GPS 50 km baseline Shift, rotation, and scale Field Test NASA Rocket (Lyle, 2007 NASA Tech Briefs)
6. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies 10/30/12 DRAFT 6 RTN GPS: VRS or RTCM Server 2G/3G/4G Local Wi-Fi Network Real Time Map N Smartphone RTK (Lyle, Smith, Nygard 2011, ION)
7. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies N USDA: Low Cost Machine Control Dd D D Conrad Blucher Institute for Surveying and Science Texas A&M University Corpus Christi The Island University RTK Cellphones Solution Ublox L1 C/A Phase RTKLib GeoRTK (Lyle, 2013, Experiment to test RTK GPS with Satellite “Internet to Tractor” for Precision Agriculture International Journal of Agricultural and Environmental Information Systems)
8. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies N 10/30/12 8 -0.04 -0.03 -0.02 -0.01 0 0.01 0.02 0.03 -0.03 -0.02 -0.01 0 0.01 0.02 0.03 L1 RTK Horizontal
9. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies N 10/30/12 9 -0.08 -0.06 -0.04 -0.02 0 0.02 0.04 0.06 0.08 0.1 0 500 1000 1500 2000 2500 3000 3500 4000 L1 RTK Vertical
10. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies •  DIY Drone- Open Sources –  GPS Machine Control •  100 hz •  Latency –  Copter or Airplane •  Autopilot •  Mission Planning Software •  Ardunio –  Drone Control N Considerations
11. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies 1.  App starts- Settings 2.  Survey Type 3.  Start Job 4.  Smart phone gets Position 1.  Wifi, AGPS, DGPS, PPP, or RTK 5.  Surveying started with selected accuracy 6.  Real Time Mapping and/or Control 7.  App closed N Application Steps
12. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies Product
13. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies 10/30/12 DRAFT 13
14. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies 10/30/12 DRAFT 14
15. Texas A&M University Corpus Christi The Island University Office of Research and Graduate Studies N Stacey D. Lyle 6300 Ocean Drive Corpus Christi, Texas 78412 Stacey.lyle@tamucc.edu 361-548-8852 Thank You