Dynamic Testing of Electromechanical Actuators Using Time-history Data

Paper #:
  • 2010-01-1748

Published:
  • 2010-11-02
Citation:
Rolinski, N., Leland, Q., Gregory, E., Jordan, B. et al., "Dynamic Testing of Electromechanical Actuators Using Time-history Data," SAE Technical Paper 2010-01-1748, 2010, https://doi.org/10.4271/2010-01-1748.
Pages:
6
Abstract:
A commercial electromechanical actuator (EMA) is to be dynamically tested with predetermined stroke and load profiles for transient thermal and electric power behavior to validate a numerical model used for aerospace applications. The EMA will follow the stroke profile representative of a real aircraft mission duty cycle. A hydraulic press will exert a corresponding load profile onto the EMA. Specialized hydraulic load control methods must be employed to meet the accuracy requirements. Two of these methods are closed-loop linearization (CLL) and displacement induced disturbance cancellation (DIDC). These methods are implemented along with an external PID compensator, and run in real-time in a series of system identification experiments to observe controller performance.
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