Active rotor control of helicopters is the future development direction, and active flap control
(AFC) is one of the most promising technologies. However, the numerical simulation of an …

Reducing the rotor dynamic load is an important issue to improve the performance and
reliability of a helicopter. The control mechanism of the actively controlled flap (ACF) on the …

A new approach for aerodynamic and aeroacoustic analysis of actively controlled flaps
(ACF) rotor is established to predict airloads and noise reduction. The approach is divided …

To address the complex multidisciplinary nature of rotorcraft analysis, high-fidelity
computational fluid and structural dynamics models have been developed and coupled for …

A computational method involving evolutionary-based optimization to provide an optimal set
of higher-harmonic deployment schedules for a multisegment trailing-edge flap is …

The concept of a universal device that can provide diagnostics and monitoring of individual
and collective power supply systems, the construction of life support systems, the state of …

The Novel Intelligent JAXA Active Rotor (NINJA Rotor) program is a cooperative effort
between JAXA and NASA, involving a test of a JAXA pressure-instrumented, active-flap rotor …

Helicopters experience a severe level of vibrations on the main rotor due to the
asymmetrical airflow in forward flight. These vibratory loads are transmitted to the fuselage …