A Novel Instrumentation System for Measurement of Helicopter Rotor Motions and Loads Data. Phase 1.
Abstract
Results of a Phase-I SBIR study directed at a novel instrumentation system for the measurement of helicopter rotor motion and loads are described. Background into the requirements and needs of the measurement system are provided, along with a summary of past activities in this area. Consideration is then given to a novel scheme that incorporates blade-mounted accelerometer sensors with a simplified signal processing scheme to extract both rotor motion measurements, and to a limited extent, blade loading information. Issues regarding sensitivity of the system to modeling errors, nonlinearities and sensor bias errors are examined through detailed simulation and analysis. Also, a demonstration of the system performance for reconstructing flapping motion measurements is provided using Froude-scaled model rotor test results. Finally, implementation issues are discussed, and a plan for continued work leading to prototype development for this system is outlined.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 01, 1995
- Accession Number
- ADA293309
Entities
People
- Robert Mckillip Jr