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2022-11-19_DokenAutumn_RTK for drone user
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Mirai
November 19, 2022
Technology
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2022-11-19_DokenAutumn_RTK for drone user
Slide of Field scientists's Drone conference(Doken) about RTK.
Mirai
November 19, 2022
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Transcript
RTKとは GEOSURF Corporation ジオサーフ株式会社 Mirai KOUJIMARU 小路丸 未来
• 精度 • RTK • 補正情報 • RTCM • Ntrip
• VRS • NMEA • A-GNSS
1. Leica geosystems 2. Trimble 3. Ashtech 4. Topcon 5.
Furuno 6. Novatel 7. Septentrio 8. Ublox 9. Herxon 10. Emlid 11. ComNav 12. ? RTK Receivers history • Hemisphere • Hi-Target • Garmin • ??
なにだか産業用のドローンについてるらしい、、
senseFly - eBeeX -RTK -PPK
-PPK
高精度、、精度が高いらしい。。 精度とは?? • GCPレス • 測量レベル
真値 計測値
真値 計測値 計測値ー真値≒0 これだけではない。。 単一の計測だけではない。(時間軸) Accuracy - 正確度
真値 計測値 Precision- 精密度
真値 計測値 + 1 month + 2 month Repeatability -
再現性
RTKとは?? Real Time Kinematic
Kinematic Base, Reference 固定局、基準局 Rover 移動局 Static
共通衛星
None
Antenna Receiver
RTK RTK RTK RTK RTK RTK
Correction message 補正情報
Kinematic Correction message 補 正 情 報
DJI Kinematic DJI
DJI No DJI OK? Kinematic
Transmitter Receiver Trouble type • Interface • Setting • Power
• Correction message type by Radio (Wireless) Correction message
Correction message - 補正情報 ってのには種類が、、 • CMR (Trimble), CRM+, CMRx
• Leica 2G(?), 4G(?) • Topcon(?) • Pentax(?) • RTCM ◦ v1 ◦ v2 ◦ v3 (v3.2) さらに、、
RTCM The Radio Technical Commission for Maritime Services https://www.rtcm.org/
None
• RTCM v3.2 https://www.use-snip.com/kb/knowledge-base/rtcm-3-message-list/ MSM (Multiple Signal Messages) • MSM1
• MSM2 • MSM3 • MSM4 • MSM5 • MSM6 • MSM7
MSM (Multiple Signal Messages) • MSM1 • MSM2 • MSM3
• MSM4 • MSM5 • MSM6 • MSM7 Priority Video < Status Correction message < Command
DJI Kinematic DJI • RTCM • GNSS maker original •
DJI original
• MSM1 • MSM2 • MSM3 • MSM4 • MSM5
• MSM6 • MSM7 • MSM1 • MSM2 • MSM3 • MSM4 • MSM5 • MSM6 • MSM7 • MSM1 • MSM2 • MSM3 • MSM4 • MSM5 • MSM6 • MSM7
Ntrip Networked Transport of RTCM via Internet Protocol
DJI : DRTK2 Other JENOBA 日本テラサット 日本GPSデータサービス ichimil? VRS -
RTK
-Mountpoint
Drone show ってどうやってんだろうなぁ。。 ¥
VRS Virtual Reference System
RTCM GGA VRS (Jenoba)
ichimill VRSとは書いてない。 GGA
NMEA The National Marine Electronics Association https://www.nmea.org/
None
NMEA • NMEA 0183 • NMEA 2000(2K) • NMEA OneNet
• Binary (GNSS maker original)
A-GNSS
None