A review on fault diagnosis and fault tolerant control methods for single-rotor aerial vehicles

X Qi, J Qi, D Theilliol, Y Zhang, J Han, D Song… - Journal of Intelligent & …, 2014 - Springer
Faults or failures are inevitable to occur and their prompt detection and isolation are
essential for the dependability of various systems and for avoiding damages to the system …

Analysis of low-speed height-velocity diagram of a variable-speed-rotor helicopter in one-engine-failure

C Chi, X Yan, R Chen, P Li - Aerospace Science and Technology, 2019 - Elsevier
This work analyzes the effects of variable operating rotor speed on the helicopter low-speed
Height–Velocity (HV) diagram in one engine inoperative (OEI) situation. Using the UH-60A …

[HTML][HTML] Augmented flight dynamics model for pilot workload evaluation in tilt-rotor aircraft optimal landing procedure after one engine failure

YAN Xufei, C Renliang - Chinese Journal of Aeronautics, 2019 - Elsevier
An augmented flight dynamics model is developed to extend the existing flight dynamics
model of tilt-rotor aircraft for optimal landing procedure analysis in the event of one engine …

[HTML][HTML] Prediction of pilot workload in helicopter landing after one engine failure

YU Zhiming, YAN Xufei, C Renliang - Chinese Journal of Aeronautics, 2020 - Elsevier
This paper presents a method to predict the pilot workload in helicopter landing after one
engine failure. The landing procedure is simulated numerically via applying nonlinear …

[HTML][HTML] Study of helicopter autorotation landing following engine failure based on a six-degree-of-freedom rigid-body dynamic model

W Meng, R Chen - Chinese Journal of Aeronautics, 2013 - Elsevier
This paper focuses on the prediction of the safe autorotation landing operations of a
helicopter following engine failure. The autorotation landing procedure is formulated as a …

Study on control strategy for tilt-rotor aircraft conversion procedure

X Yan, R Chen, B Lou, Y Xie, A Xie… - Journal of Physics …, 2021 - iopscience.iop.org
This paper studies the control strategy in tilt-rotor aircraft dynamic conversion procedure. A
nonlinear flight dynamics model with full flight modes is established. On this basis, a …

Trajectory planning and trajectory tracking for a small-scale helicopter in autorotation

S Taamallah, X Bombois, PMJ Van den Hof - Control Engineering Practice, 2017 - Elsevier
The design of a high-performance guidance and control system for a small-scale
helicopterUnmanned Aerial Vehicle (UAV), with an engine OFF flight condition (ie …

Automated autorotation and pilot aiding system

MA White, MT Luszcz, KL Bredenbeck… - US Patent …, 2021 - Google Patents
(57) ABSTRACT A method of automating entry of an aircraft into autorotation includes
detecting a loss of engine power, analyzing a sensed height and sensed airspeed of the …

Takeoff optimisation of coaxial compound helicopter with uncertainty quantification

Y Zhao, Y Yuan, R Chen - Optimization and Engineering, 2024 - Springer
This paper focuses on the optimal takeoff of a coaxial compound helicopter, considering the
possibility of engine failure. When one engine fails during takeoff, a twin-engine helicopter …

Study of helicopter optimal autorotation landing procedure in tail rotor drive failure

X Yan, R Chen, S Zhu, A Xie… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
This paper investigates the optimal landing trajectory and control procedure when a
helicopter undergoes autorotation due to tail rotor drive failure (TRDF), in which an optimal …