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http://dx.doi.org/10.5139/JKSAS.2013.41.7.524

Rotor Track and Balance of a Helicopter Rotor System Using Modern Global Optimization Schemes  

You, Younghyun (Department of Aerospace Information Engineering, Konkuk University)
Jung, Sung Nam (Department of Aerospace Information Engineering, Konkuk University)
Kim, Chang Ju (Department of Aerospace Information Engineering, Konkuk University)
Kim, Oe Cheul (Korea Aerospace Industries, Ltd.)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.41, no.7, 2013 , pp. 524-531 More about this Journal
Abstract
This work aims at developing a RTB (Rotor Track and Balance) system to alleviate imbalances originating from various sources encountered during blade manufacturing process and environmental factors. The analytical RTB model is determined based on the linear regression analysis to relate the RTB adjustment parameters and their track and vibration results. The model is validated using the flight test data of a full helicopter. It is demonstrated that the linearized model has been correlated well with the test data. A hybrid optimization problem is formulated to find the best solution of the RTB adjustment parameters using the genetic algorithm combined with the PSO (Particle Swarm Optimization) algorithm. The optimization results reveal that both track deviations and vibration levels under various flight conditions become decreased within the allowable tolerances.
Keywords
RTB; Helicopter; Adjustment Parameters; Genetic Algorithm;
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Times Cited By KSCI : 1  (Citation Analysis)
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