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Research on Measurement Method of Parachute Scanning Platform Based on MEMS Device.
Ning Liu1, Tianqi Tian1, Zhong Su1,2
1Beijing Key Laboratory of High Dynamic Navigation Technology, Beijing Information Science and Technological University, Beijing 100101, China.
Micromachines
|April 30, 2021
Summary
This study introduces a new method using magnetic and inertial sensors to accurately measure the motion of parachute scanning platforms. This approach overcomes limitations of traditional methods for fast-rotating, complex-attitude systems.
Area of Science:
- Aerospace Engineering
- Robotics and Control Systems
- Sensor Fusion Technology
Background:
- Parachute scanning platforms exhibit high rotational velocities and complex attitudes, challenging traditional motion parameter measurement.
- Existing measurement techniques are insufficient for the precision required for parachute scanning platform applications.
Purpose of the Study:
- To develop and validate a novel method for accurately measuring the motion parameters of parachute scanning platforms.
- To address the limitations of conventional measurement systems in dynamic and complex environments.
Main Methods:
- Analysis of scanning motion characteristics for parachute-terminal-sensitive projectiles.
- Design of a high-precision attitude measurement device integrating magnetic and inertial sensors.
- Application of the extended Kalman filter for error filtering and observation.
Main Results:
- Accurate measurement of scanning angle, scanning angular velocity, falling velocity, and 2D scanning attitude.
- Validation of the proposed method through MATLAB simulations, semi-physical simulations, and airdrop experiments.
Conclusions:
- The combined magnetic and inertial sensor method provides accurate and feasible motion parameter measurement for parachute scanning platforms.
- The research offers valuable insights for reducing development time and cost in parachute scanning platform design and analysis.
