Outline
- Problems and Challenges
- Objectives
- Methods and Experiments – A. Methods (Angle & Position) – B. Tests (Lab Scale & Field Scale)
- Summary
Problems and Challenges
- Low robustness to unknown interference [Goodall, 2009]
- Field calibration hard [Li, 2015]
- Low accuracy on position estimation [Stockhausen, 2016]
Objectives
- Hardware Design of Proposed Subsurface Measurement System
- Robust Orientation Fusion-minimizing Magnetic Distortions for Azimuth Control
- Local Fusion –Quaternion Kalman Filter(QKF)
- Global Fusion –Adaptive Neuro-Fuzzy(ANFIS)
- Identification of Position
Experimental Setup
- 2 MEMS IMU sensors
- 3 axis accelerometers
- 3 axis magnetometers
- 3 axis gyroscopes
MEMS based Monitoring System
- Long distance data transportation
...
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Continuous Wellbore Path Estimation Using Multiple Integrated MEMS Sensors
Huan Liu