VTOL aircraft control power costs

1971 ◽  
Author(s):  
M. HOFFMAN
Keyword(s):  
Aircraft Control ◽  
Control Power ◽  
Vtol Aircraft ◽  
Power Costs

Flight Simulation for Research

1964 ◽  
Vol 68 (646) ◽  
pp. 645-652 ◽  
Author(s):  
D. H. Perry ◽  
J. M. Naish
Keyword(s):  
Flight Simulation ◽  
Simulation Studies ◽  
Aircraft Control ◽  
Motion Cues ◽  
Stability And Control ◽  
Research Problems ◽  
And Control ◽  
The Relationship ◽  
Aircraft Stability And Control ◽  
Vtol Aircraft

SummarySome of the uses of ground based flight simulation as a research tool to aid the design of new aircraft and their equipment are described. The function of the simulator is to provide a method for investigating humon flying tasks in the laboratory, so that the relationship between the pilot's capabilities and the equipment's characteristics can be systematically studied. The paper is presented in two parts describing recent work on two research simulators at the RAE.Part I deals with the use of simulation for studying aircraft stability and control characteristics. The equipment used at RAE for this work is described, with particular emphasis on methods of presenting to the pilot a simulated view of the outside world, and for reproducing some of the motion cues which he experiences in flight. Experimental evidence of the importance of these simulation cues when making aircraft control assessments is also presented. Several examples of simulation studies into the control of conventional and VTOL aircraft are given, to illustrate the type of research problems in this field which may be tackled and the techniques involved in solving them.

scholarly journals Imaged-Based Visual Servo Control for a VTOL Aircraft

2017 ◽  
Vol 2017 ◽  
pp. 1-6 ◽  
Author(s):  
Liying Zou ◽  
Huiguang Li ◽  
Wei Zhao ◽  
Lei Zhu
Keyword(s):  
Control Strategy ◽  
Visual Servoing ◽  
Lyapunov Theory ◽  
Servo Control ◽  
Depth Information ◽  
Visual Servo ◽  
Aircraft Control ◽  
Visual Servo Control ◽  
Visual Model ◽  
Vtol Aircraft

This paper presents a novel control strategy to force a vertical take-off and landing (VTOL) aircraft to accomplish the pinpoint landing task. The control development is based on the image-based visual servoing method and the back-stepping technique; its design differs from the existing methods because the controller maps the image errors onto the actuator space via a visual model which does not contain the depth information of the feature point. The novelty of the proposed method is to extend the image-based visual servoing technique to the VTOL aircraft control. In addition, the Lyapunov theory is used to prove the asymptotic stability of the VTOL aircraft visual servoing system, while the image error can converge to zero. Furthermore, simulations have been also conducted to demonstrate the performances of the proposed method.

scholarly journals ELECTRO‐MECHANICAL ACTUATORS FOR GENERAL AVIATION FLY‐BY‐WIRE AIRCRAFT

Aviation ◽  
2005 ◽  
Vol 9 (1) ◽  
pp. 19-25 ◽  
Author(s):  
Jan Gruszecki
Keyword(s):  
Power Systems ◽  
General Aviation ◽  
Hydraulic Systems ◽  
Electrical System ◽  
Aircraft Control ◽  
Major Step ◽  
Control Power ◽  
Motor Controller ◽  
Fluid Power Systems

A long‐term goal for general aviation aircraft is to reduce or eliminate the use of fluid power systems such as hydraulics from the aircraft. Power‐By‐Wire (PBW) technology seems to be the next major step in the development of aircraft control. In this solution, control power comes directly from the aircraft electrical system to the Electro‐Mechanical Actuator (EMA), which includes the electric motor, controller and gearbox. EMAs have the potential to be more efficient, less complicated, less expensive, and more faults tolerant than actuators based on hydraulic systems.

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